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-rw-r--r--tools/power/x86/turbostat/turbostat.c2568
1 files changed, 1991 insertions, 577 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 310d3dd5e54..d0396af99fa 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -2,7 +2,7 @@
* turbostat -- show CPU frequency and C-state residency
* on modern Intel turbo-capable processors.
*
- * Copyright (c) 2010, Intel Corporation.
+ * Copyright (c) 2013 Intel Corporation.
* Len Brown <len.brown@intel.com>
*
* This program is free software; you can redistribute it and/or modify it
@@ -19,7 +19,11 @@
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#define _GNU_SOURCE
+#include MSRHEADER
+#include <stdarg.h>
#include <stdio.h>
+#include <err.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
@@ -32,442 +36,985 @@
#include <dirent.h>
#include <string.h>
#include <ctype.h>
-
-#define MSR_TSC 0x10
-#define MSR_NEHALEM_PLATFORM_INFO 0xCE
-#define MSR_NEHALEM_TURBO_RATIO_LIMIT 0x1AD
-#define MSR_APERF 0xE8
-#define MSR_MPERF 0xE7
-#define MSR_PKG_C2_RESIDENCY 0x60D /* SNB only */
-#define MSR_PKG_C3_RESIDENCY 0x3F8
-#define MSR_PKG_C6_RESIDENCY 0x3F9
-#define MSR_PKG_C7_RESIDENCY 0x3FA /* SNB only */
-#define MSR_CORE_C3_RESIDENCY 0x3FC
-#define MSR_CORE_C6_RESIDENCY 0x3FD
-#define MSR_CORE_C7_RESIDENCY 0x3FE /* SNB only */
+#include <sched.h>
+#include <cpuid.h>
char *proc_stat = "/proc/stat";
unsigned int interval_sec = 5; /* set with -i interval_sec */
unsigned int verbose; /* set with -v */
+unsigned int rapl_verbose; /* set with -R */
+unsigned int rapl_joules; /* set with -J */
+unsigned int thermal_verbose; /* set with -T */
+unsigned int summary_only; /* set with -S */
+unsigned int dump_only; /* set with -s */
unsigned int skip_c0;
unsigned int skip_c1;
unsigned int do_nhm_cstates;
unsigned int do_snb_cstates;
+unsigned int do_c8_c9_c10;
+unsigned int do_slm_cstates;
+unsigned int use_c1_residency_msr;
unsigned int has_aperf;
-unsigned int units = 1000000000; /* Ghz etc */
+unsigned int has_epb;
+unsigned int units = 1000000; /* MHz etc */
unsigned int genuine_intel;
unsigned int has_invariant_tsc;
unsigned int do_nehalem_platform_info;
unsigned int do_nehalem_turbo_ratio_limit;
-unsigned int extra_msr_offset;
+unsigned int do_ivt_turbo_ratio_limit;
+unsigned int extra_msr_offset32;
+unsigned int extra_msr_offset64;
+unsigned int extra_delta_offset32;
+unsigned int extra_delta_offset64;
+int do_smi;
double bclk;
unsigned int show_pkg;
unsigned int show_core;
unsigned int show_cpu;
+unsigned int show_pkg_only;
+unsigned int show_core_only;
+char *output_buffer, *outp;
+unsigned int do_rapl;
+unsigned int do_dts;
+unsigned int do_ptm;
+unsigned int tcc_activation_temp;
+unsigned int tcc_activation_temp_override;
+double rapl_power_units, rapl_energy_units, rapl_time_units;
+double rapl_joule_counter_range;
+
+#define RAPL_PKG (1 << 0)
+ /* 0x610 MSR_PKG_POWER_LIMIT */
+ /* 0x611 MSR_PKG_ENERGY_STATUS */
+#define RAPL_PKG_PERF_STATUS (1 << 1)
+ /* 0x613 MSR_PKG_PERF_STATUS */
+#define RAPL_PKG_POWER_INFO (1 << 2)
+ /* 0x614 MSR_PKG_POWER_INFO */
+
+#define RAPL_DRAM (1 << 3)
+ /* 0x618 MSR_DRAM_POWER_LIMIT */
+ /* 0x619 MSR_DRAM_ENERGY_STATUS */
+ /* 0x61c MSR_DRAM_POWER_INFO */
+#define RAPL_DRAM_PERF_STATUS (1 << 4)
+ /* 0x61b MSR_DRAM_PERF_STATUS */
+
+#define RAPL_CORES (1 << 5)
+ /* 0x638 MSR_PP0_POWER_LIMIT */
+ /* 0x639 MSR_PP0_ENERGY_STATUS */
+#define RAPL_CORE_POLICY (1 << 6)
+ /* 0x63a MSR_PP0_POLICY */
+
+
+#define RAPL_GFX (1 << 7)
+ /* 0x640 MSR_PP1_POWER_LIMIT */
+ /* 0x641 MSR_PP1_ENERGY_STATUS */
+ /* 0x642 MSR_PP1_POLICY */
+#define TJMAX_DEFAULT 100
+
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
int aperf_mperf_unstable;
int backwards_count;
char *progname;
-int need_reinitialize;
-
-int num_cpus;
-
-struct counters {
- unsigned long long tsc; /* per thread */
- unsigned long long aperf; /* per thread */
- unsigned long long mperf; /* per thread */
- unsigned long long c1; /* per thread (calculated) */
- unsigned long long c3; /* per core */
- unsigned long long c6; /* per core */
- unsigned long long c7; /* per core */
- unsigned long long pc2; /* per package */
- unsigned long long pc3; /* per package */
- unsigned long long pc6; /* per package */
- unsigned long long pc7; /* per package */
- unsigned long long extra_msr; /* per thread */
- int pkg;
- int core;
- int cpu;
- struct counters *next;
-};
-struct counters *cnt_even;
-struct counters *cnt_odd;
-struct counters *cnt_delta;
-struct counters *cnt_average;
-struct timeval tv_even;
-struct timeval tv_odd;
-struct timeval tv_delta;
+cpu_set_t *cpu_present_set, *cpu_affinity_set;
+size_t cpu_present_setsize, cpu_affinity_setsize;
+
+struct thread_data {
+ unsigned long long tsc;
+ unsigned long long aperf;
+ unsigned long long mperf;
+ unsigned long long c1;
+ unsigned long long extra_msr64;
+ unsigned long long extra_delta64;
+ unsigned long long extra_msr32;
+ unsigned long long extra_delta32;
+ unsigned int smi_count;
+ unsigned int cpu_id;
+ unsigned int flags;
+#define CPU_IS_FIRST_THREAD_IN_CORE 0x2
+#define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4
+} *thread_even, *thread_odd;
+
+struct core_data {
+ unsigned long long c3;
+ unsigned long long c6;
+ unsigned long long c7;
+ unsigned int core_temp_c;
+ unsigned int core_id;
+} *core_even, *core_odd;
+
+struct pkg_data {
+ unsigned long long pc2;
+ unsigned long long pc3;
+ unsigned long long pc6;
+ unsigned long long pc7;
+ unsigned long long pc8;
+ unsigned long long pc9;
+ unsigned long long pc10;
+ unsigned int package_id;
+ unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */
+ unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */
+ unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */
+ unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */
+ unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */
+ unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */
+ unsigned int pkg_temp_c;
+
+} *package_even, *package_odd;
+
+#define ODD_COUNTERS thread_odd, core_odd, package_odd
+#define EVEN_COUNTERS thread_even, core_even, package_even
+
+#define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \
+ (thread_base + (pkg_no) * topo.num_cores_per_pkg * \
+ topo.num_threads_per_core + \
+ (core_no) * topo.num_threads_per_core + (thread_no))
+#define GET_CORE(core_base, core_no, pkg_no) \
+ (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no))
+#define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)
+
+struct system_summary {
+ struct thread_data threads;
+ struct core_data cores;
+ struct pkg_data packages;
+} sum, average;
+
+
+struct topo_params {
+ int num_packages;
+ int num_cpus;
+ int num_cores;
+ int max_cpu_num;
+ int num_cores_per_pkg;
+ int num_threads_per_core;
+} topo;
+
+struct timeval tv_even, tv_odd, tv_delta;
+
+void setup_all_buffers(void);
+
+int cpu_is_not_present(int cpu)
+{
+ return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set);
+}
+/*
+ * run func(thread, core, package) in topology order
+ * skip non-present cpus
+ */
+
+int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *),
+ struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base)
+{
+ int retval, pkg_no, core_no, thread_no;
+
+ for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
+ for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
+ for (thread_no = 0; thread_no <
+ topo.num_threads_per_core; ++thread_no) {
+ struct thread_data *t;
+ struct core_data *c;
+ struct pkg_data *p;
+
+ t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
+
+ if (cpu_is_not_present(t->cpu_id))
+ continue;
-unsigned long long get_msr(int cpu, off_t offset)
+ c = GET_CORE(core_base, core_no, pkg_no);
+ p = GET_PKG(pkg_base, pkg_no);
+
+ retval = func(t, c, p);
+ if (retval)
+ return retval;
+ }
+ }
+ }
+ return 0;
+}
+
+int cpu_migrate(int cpu)
+{
+ CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
+ CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
+ if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1)
+ return -1;
+ else
+ return 0;
+}
+
+int get_msr(int cpu, off_t offset, unsigned long long *msr)
{
ssize_t retval;
- unsigned long long msr;
char pathname[32];
int fd;
sprintf(pathname, "/dev/cpu/%d/msr", cpu);
fd = open(pathname, O_RDONLY);
- if (fd < 0) {
- perror(pathname);
- need_reinitialize = 1;
- return 0;
- }
+ if (fd < 0)
+ return -1;
+
+ retval = pread(fd, msr, sizeof *msr, offset);
+ close(fd);
- retval = pread(fd, &msr, sizeof msr, offset);
- if (retval != sizeof msr) {
- fprintf(stderr, "cpu%d pread(..., 0x%zx) = %jd\n",
- cpu, offset, retval);
- exit(-2);
+ if (retval != sizeof *msr) {
+ fprintf(stderr, "%s offset 0x%llx read failed\n", pathname, (unsigned long long)offset);
+ return -1;
}
- close(fd);
- return msr;
+ return 0;
}
+/*
+ * Example Format w/ field column widths:
+ *
+ * Package Core CPU Avg_MHz Bzy_MHz TSC_MHz SMI %Busy CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt
+ * 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567
+ */
+
void print_header(void)
{
if (show_pkg)
- fprintf(stderr, "pk");
+ outp += sprintf(outp, "Package ");
if (show_core)
- fprintf(stderr, " cr");
+ outp += sprintf(outp, " Core ");
if (show_cpu)
- fprintf(stderr, " CPU");
- if (do_nhm_cstates)
- fprintf(stderr, " %%c0 ");
+ outp += sprintf(outp, " CPU ");
if (has_aperf)
- fprintf(stderr, " GHz");
- fprintf(stderr, " TSC");
+ outp += sprintf(outp, "Avg_MHz ");
if (do_nhm_cstates)
- fprintf(stderr, " %%c1");
+ outp += sprintf(outp, " %%Busy ");
+ if (has_aperf)
+ outp += sprintf(outp, "Bzy_MHz ");
+ outp += sprintf(outp, "TSC_MHz ");
+ if (do_smi)
+ outp += sprintf(outp, " SMI ");
+ if (extra_delta_offset32)
+ outp += sprintf(outp, " count 0x%03X ", extra_delta_offset32);
+ if (extra_delta_offset64)
+ outp += sprintf(outp, " COUNT 0x%03X ", extra_delta_offset64);
+ if (extra_msr_offset32)
+ outp += sprintf(outp, " MSR 0x%03X ", extra_msr_offset32);
+ if (extra_msr_offset64)
+ outp += sprintf(outp, " MSR 0x%03X ", extra_msr_offset64);
if (do_nhm_cstates)
- fprintf(stderr, " %%c3");
+ outp += sprintf(outp, " CPU%%c1 ");
+ if (do_nhm_cstates && !do_slm_cstates)
+ outp += sprintf(outp, " CPU%%c3 ");
if (do_nhm_cstates)
- fprintf(stderr, " %%c6");
+ outp += sprintf(outp, " CPU%%c6 ");
if (do_snb_cstates)
- fprintf(stderr, " %%c7");
+ outp += sprintf(outp, " CPU%%c7 ");
+
+ if (do_dts)
+ outp += sprintf(outp, "CoreTmp ");
+ if (do_ptm)
+ outp += sprintf(outp, " PkgTmp ");
+
if (do_snb_cstates)
- fprintf(stderr, " %%pc2");
- if (do_nhm_cstates)
- fprintf(stderr, " %%pc3");
- if (do_nhm_cstates)
- fprintf(stderr, " %%pc6");
+ outp += sprintf(outp, "Pkg%%pc2 ");
+ if (do_nhm_cstates && !do_slm_cstates)
+ outp += sprintf(outp, "Pkg%%pc3 ");
+ if (do_nhm_cstates && !do_slm_cstates)
+ outp += sprintf(outp, "Pkg%%pc6 ");
if (do_snb_cstates)
- fprintf(stderr, " %%pc7");
- if (extra_msr_offset)
- fprintf(stderr, " MSR 0x%x ", extra_msr_offset);
+ outp += sprintf(outp, "Pkg%%pc7 ");
+ if (do_c8_c9_c10) {
+ outp += sprintf(outp, "Pkg%%pc8 ");
+ outp += sprintf(outp, "Pkg%%pc9 ");
+ outp += sprintf(outp, "Pk%%pc10 ");
+ }
- putc('\n', stderr);
-}
+ if (do_rapl && !rapl_joules) {
+ if (do_rapl & RAPL_PKG)
+ outp += sprintf(outp, "PkgWatt ");
+ if (do_rapl & RAPL_CORES)
+ outp += sprintf(outp, "CorWatt ");
+ if (do_rapl & RAPL_GFX)
+ outp += sprintf(outp, "GFXWatt ");
+ if (do_rapl & RAPL_DRAM)
+ outp += sprintf(outp, "RAMWatt ");
+ if (do_rapl & RAPL_PKG_PERF_STATUS)
+ outp += sprintf(outp, " PKG_%% ");
+ if (do_rapl & RAPL_DRAM_PERF_STATUS)
+ outp += sprintf(outp, " RAM_%% ");
+ } else {
+ if (do_rapl & RAPL_PKG)
+ outp += sprintf(outp, " Pkg_J ");
+ if (do_rapl & RAPL_CORES)
+ outp += sprintf(outp, " Cor_J ");
+ if (do_rapl & RAPL_GFX)
+ outp += sprintf(outp, " GFX_J ");
+ if (do_rapl & RAPL_DRAM)
+ outp += sprintf(outp, " RAM_W ");
+ if (do_rapl & RAPL_PKG_PERF_STATUS)
+ outp += sprintf(outp, " PKG_%% ");
+ if (do_rapl & RAPL_DRAM_PERF_STATUS)
+ outp += sprintf(outp, " RAM_%% ");
+ outp += sprintf(outp, " time ");
-void dump_cnt(struct counters *cnt)
-{
- if (!cnt)
- return;
- if (cnt->pkg) fprintf(stderr, "package: %d ", cnt->pkg);
- if (cnt->core) fprintf(stderr, "core:: %d ", cnt->core);
- if (cnt->cpu) fprintf(stderr, "CPU: %d ", cnt->cpu);
- if (cnt->tsc) fprintf(stderr, "TSC: %016llX\n", cnt->tsc);
- if (cnt->c3) fprintf(stderr, "c3: %016llX\n", cnt->c3);
- if (cnt->c6) fprintf(stderr, "c6: %016llX\n", cnt->c6);
- if (cnt->c7) fprintf(stderr, "c7: %016llX\n", cnt->c7);
- if (cnt->aperf) fprintf(stderr, "aperf: %016llX\n", cnt->aperf);
- if (cnt->pc2) fprintf(stderr, "pc2: %016llX\n", cnt->pc2);
- if (cnt->pc3) fprintf(stderr, "pc3: %016llX\n", cnt->pc3);
- if (cnt->pc6) fprintf(stderr, "pc6: %016llX\n", cnt->pc6);
- if (cnt->pc7) fprintf(stderr, "pc7: %016llX\n", cnt->pc7);
- if (cnt->extra_msr) fprintf(stderr, "msr0x%x: %016llX\n", extra_msr_offset, cnt->extra_msr);
+ }
+ outp += sprintf(outp, "\n");
}
-void dump_list(struct counters *cnt)
+int dump_counters(struct thread_data *t, struct core_data *c,
+ struct pkg_data *p)
{
- printf("dump_list 0x%p\n", cnt);
+ outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p);
+
+ if (t) {
+ outp += sprintf(outp, "CPU: %d flags 0x%x\n",
+ t->cpu_id, t->flags);
+ outp += sprintf(outp, "TSC: %016llX\n", t->tsc);
+ outp += sprintf(outp, "aperf: %016llX\n", t->aperf);
+ outp += sprintf(outp, "mperf: %016llX\n", t->mperf);
+ outp += sprintf(outp, "c1: %016llX\n", t->c1);
+ outp += sprintf(outp, "msr0x%x: %08llX\n",
+ extra_delta_offset32, t->extra_delta32);
+ outp += sprintf(outp, "msr0x%x: %016llX\n",
+ extra_delta_offset64, t->extra_delta64);
+ outp += sprintf(outp, "msr0x%x: %08llX\n",
+ extra_msr_offset32, t->extra_msr32);
+ outp += sprintf(outp, "msr0x%x: %016llX\n",
+ extra_msr_offset64, t->extra_msr64);
+ if (do_smi)
+ outp += sprintf(outp, "SMI: %08X\n", t->smi_count);
+ }
+
+ if (c) {
+ outp += sprintf(outp, "core: %d\n", c->core_id);
+ outp += sprintf(outp, "c3: %016llX\n", c->c3);
+ outp += sprintf(outp, "c6: %016llX\n", c->c6);
+ outp += sprintf(outp, "c7: %016llX\n", c->c7);
+ outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c);
+ }
- for (; cnt; cnt = cnt->next)
- dump_cnt(cnt);
+ if (p) {
+ outp += sprintf(outp, "package: %d\n", p->package_id);
+ outp += sprintf(outp, "pc2: %016llX\n", p->pc2);
+ outp += sprintf(outp, "pc3: %016llX\n", p->pc3);
+ outp += sprintf(outp, "pc6: %016llX\n", p->pc6);
+ outp += sprintf(outp, "pc7: %016llX\n", p->pc7);
+ outp += sprintf(outp, "pc8: %016llX\n", p->pc8);
+ outp += sprintf(outp, "pc9: %016llX\n", p->pc9);
+ outp += sprintf(outp, "pc10: %016llX\n", p->pc10);
+ outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg);
+ outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores);
+ outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx);
+ outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram);
+ outp += sprintf(outp, "Throttle PKG: %0X\n",
+ p->rapl_pkg_perf_status);
+ outp += sprintf(outp, "Throttle RAM: %0X\n",
+ p->rapl_dram_perf_status);
+ outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c);
+ }
+
+ outp += sprintf(outp, "\n");
+
+ return 0;
}
-void print_cnt(struct counters *p)
+/*
+ * column formatting convention & formats
+ */
+int format_counters(struct thread_data *t, struct core_data *c,
+ struct pkg_data *p)
{
double interval_float;
+ char *fmt8;
+
+ /* if showing only 1st thread in core and this isn't one, bail out */
+ if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
+ return 0;
+
+ /* if showing only 1st thread in pkg and this isn't one, bail out */
+ if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
+ return 0;
interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0;
- /* topology columns, print blanks on 1st (average) line */
- if (p == cnt_average) {
+ /* topo columns, print blanks on 1st (average) line */
+ if (t == &average.threads) {
if (show_pkg)
- fprintf(stderr, " ");
+ outp += sprintf(outp, " -");
if (show_core)
- fprintf(stderr, " ");
+ outp += sprintf(outp, " -");
if (show_cpu)
- fprintf(stderr, " ");
+ outp += sprintf(outp, " -");
} else {
- if (show_pkg)
- fprintf(stderr, "%d", p->pkg);
- if (show_core)
- fprintf(stderr, "%4d", p->core);
+ if (show_pkg) {
+ if (p)
+ outp += sprintf(outp, "%8d", p->package_id);
+ else
+ outp += sprintf(outp, " -");
+ }
+ if (show_core) {
+ if (c)
+ outp += sprintf(outp, "%8d", c->core_id);
+ else
+ outp += sprintf(outp, " -");
+ }
if (show_cpu)
- fprintf(stderr, "%4d", p->cpu);
+ outp += sprintf(outp, "%8d", t->cpu_id);
}
+ /* AvgMHz */
+ if (has_aperf)
+ outp += sprintf(outp, "%8.0f",
+ 1.0 / units * t->aperf / interval_float);
+
/* %c0 */
if (do_nhm_cstates) {
if (!skip_c0)
- fprintf(stderr, "%7.2f", 100.0 * p->mperf/p->tsc);
+ outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc);
else
- fprintf(stderr, " ****");
+ outp += sprintf(outp, "********");
}
- /* GHz */
- if (has_aperf) {
- if (!aperf_mperf_unstable) {
- fprintf(stderr, "%5.2f",
- 1.0 * p->tsc / units * p->aperf /
- p->mperf / interval_float);
- } else {
- if (p->aperf > p->tsc || p->mperf > p->tsc) {
- fprintf(stderr, " ****");
- } else {
- fprintf(stderr, "%4.1f*",
- 1.0 * p->tsc /
- units * p->aperf /
- p->mperf / interval_float);
- }
- }
- }
+ /* BzyMHz */
+ if (has_aperf)
+ outp += sprintf(outp, "%8.0f",
+ 1.0 * t->tsc / units * t->aperf / t->mperf / interval_float);
/* TSC */
- fprintf(stderr, "%5.2f", 1.0 * p->tsc/units/interval_float);
+ outp += sprintf(outp, "%8.0f", 1.0 * t->tsc/units/interval_float);
+
+ /* SMI */
+ if (do_smi)
+ outp += sprintf(outp, "%8d", t->smi_count);
+
+ /* delta */
+ if (extra_delta_offset32)
+ outp += sprintf(outp, " %11llu", t->extra_delta32);
+
+ /* DELTA */
+ if (extra_delta_offset64)
+ outp += sprintf(outp, " %11llu", t->extra_delta64);
+ /* msr */
+ if (extra_msr_offset32)
+ outp += sprintf(outp, " 0x%08llx", t->extra_msr32);
+
+ /* MSR */
+ if (extra_msr_offset64)
+ outp += sprintf(outp, " 0x%016llx", t->extra_msr64);
if (do_nhm_cstates) {
if (!skip_c1)
- fprintf(stderr, "%7.2f", 100.0 * p->c1/p->tsc);
+ outp += sprintf(outp, "%8.2f", 100.0 * t->c1/t->tsc);
else
- fprintf(stderr, " ****");
+ outp += sprintf(outp, "********");
}
+
+ /* print per-core data only for 1st thread in core */
+ if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
+ goto done;
+
+ if (do_nhm_cstates && !do_slm_cstates)
+ outp += sprintf(outp, "%8.2f", 100.0 * c->c3/t->tsc);
if (do_nhm_cstates)
- fprintf(stderr, " %6.2f", 100.0 * p->c3/p->tsc);
- if (do_nhm_cstates)
- fprintf(stderr, " %6.2f", 100.0 * p->c6/p->tsc);
+ outp += sprintf(outp, "%8.2f", 100.0 * c->c6/t->tsc);
if (do_snb_cstates)
- fprintf(stderr, " %6.2f", 100.0 * p->c7/p->tsc);
+ outp += sprintf(outp, "%8.2f", 100.0 * c->c7/t->tsc);
+
+ if (do_dts)
+ outp += sprintf(outp, "%8d", c->core_temp_c);
+
+ /* print per-package data only for 1st core in package */
+ if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
+ goto done;
+
+ if (do_ptm)
+ outp += sprintf(outp, "%8d", p->pkg_temp_c);
+
if (do_snb_cstates)
- fprintf(stderr, " %5.2f", 100.0 * p->pc2/p->tsc);
- if (do_nhm_cstates)
- fprintf(stderr, " %5.2f", 100.0 * p->pc3/p->tsc);
- if (do_nhm_cstates)
- fprintf(stderr, " %5.2f", 100.0 * p->pc6/p->tsc);
+ outp += sprintf(outp, "%8.2f", 100.0 * p->pc2/t->tsc);
+ if (do_nhm_cstates && !do_slm_cstates)
+ outp += sprintf(outp, "%8.2f", 100.0 * p->pc3/t->tsc);
+ if (do_nhm_cstates && !do_slm_cstates)
+ outp += sprintf(outp, "%8.2f", 100.0 * p->pc6/t->tsc);
if (do_snb_cstates)
- fprintf(stderr, " %5.2f", 100.0 * p->pc7/p->tsc);
- if (extra_msr_offset)
- fprintf(stderr, " 0x%016llx", p->extra_msr);
- putc('\n', stderr);
+ outp += sprintf(outp, "%8.2f", 100.0 * p->pc7/t->tsc);
+ if (do_c8_c9_c10) {
+ outp += sprintf(outp, "%8.2f", 100.0 * p->pc8/t->tsc);
+ outp += sprintf(outp, "%8.2f", 100.0 * p->pc9/t->tsc);
+ outp += sprintf(outp, "%8.2f", 100.0 * p->pc10/t->tsc);
+ }
+
+ /*
+ * If measurement interval exceeds minimum RAPL Joule Counter range,
+ * indicate that results are suspect by printing "**" in fraction place.
+ */
+ if (interval_float < rapl_joule_counter_range)
+ fmt8 = "%8.2f";
+ else
+ fmt8 = " %6.0f**";
+
+ if (do_rapl && !rapl_joules) {
+ if (do_rapl & RAPL_PKG)
+ outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float);
+ if (do_rapl & RAPL_CORES)
+ outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float);
+ if (do_rapl & RAPL_GFX)
+ outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float);
+ if (do_rapl & RAPL_DRAM)
+ outp += sprintf(outp, fmt8, p->energy_dram * rapl_energy_units / interval_float);
+ if (do_rapl & RAPL_PKG_PERF_STATUS)
+ outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
+ if (do_rapl & RAPL_DRAM_PERF_STATUS)
+ outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
+ } else {
+ if (do_rapl & RAPL_PKG)
+ outp += sprintf(outp, fmt8,
+ p->energy_pkg * rapl_energy_units);
+ if (do_rapl & RAPL_CORES)
+ outp += sprintf(outp, fmt8,
+ p->energy_cores * rapl_energy_units);
+ if (do_rapl & RAPL_GFX)
+ outp += sprintf(outp, fmt8,
+ p->energy_gfx * rapl_energy_units);
+ if (do_rapl & RAPL_DRAM)
+ outp += sprintf(outp, fmt8,
+ p->energy_dram * rapl_energy_units);
+ if (do_rapl & RAPL_PKG_PERF_STATUS)
+ outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
+ if (do_rapl & RAPL_DRAM_PERF_STATUS)
+ outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
+ outp += sprintf(outp, fmt8, interval_float);
+
+ }
+done:
+ outp += sprintf(outp, "\n");
+
+ return 0;
}
-void print_counters(struct counters *counters)
+void flush_stdout()
{
- struct counters *cnt;
+ fputs(output_buffer, stdout);
+ fflush(stdout);
+ outp = output_buffer;
+}
+void flush_stderr()
+{
+ fputs(output_buffer, stderr);
+ outp = output_buffer;
+}
+void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
+{
+ static int printed;
+
+ if (!printed || !summary_only)
+ print_header();
- print_header();
+ if (topo.num_cpus > 1)
+ format_counters(&average.threads, &average.cores,
+ &average.packages);
- if (num_cpus > 1)
- print_cnt(cnt_average);
+ printed = 1;
- for (cnt = counters; cnt != NULL; cnt = cnt->next)
- print_cnt(cnt);
+ if (summary_only)
+ return;
+ for_all_cpus(format_counters, t, c, p);
}
-#define SUBTRACT_COUNTER(after, before, delta) (delta = (after - before), (before > after))
+#define DELTA_WRAP32(new, old) \
+ if (new > old) { \
+ old = new - old; \
+ } else { \
+ old = 0x100000000 + new - old; \
+ }
-int compute_delta(struct counters *after,
- struct counters *before, struct counters *delta)
+void
+delta_package(struct pkg_data *new, struct pkg_data *old)
{
- int errors = 0;
- int perf_err = 0;
+ old->pc2 = new->pc2 - old->pc2;
+ old->pc3 = new->pc3 - old->pc3;
+ old->pc6 = new->pc6 - old->pc6;
+ old->pc7 = new->pc7 - old->pc7;
+ old->pc8 = new->pc8 - old->pc8;
+ old->pc9 = new->pc9 - old->pc9;
+ old->pc10 = new->pc10 - old->pc10;
+ old->pkg_temp_c = new->pkg_temp_c;
+
+ DELTA_WRAP32(new->energy_pkg, old->energy_pkg);
+ DELTA_WRAP32(new->energy_cores, old->energy_cores);
+ DELTA_WRAP32(new->energy_gfx, old->energy_gfx);
+ DELTA_WRAP32(new->energy_dram, old->energy_dram);
+ DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status);
+ DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status);
+}
- skip_c0 = skip_c1 = 0;
+void
+delta_core(struct core_data *new, struct core_data *old)
+{
+ old->c3 = new->c3 - old->c3;
+ old->c6 = new->c6 - old->c6;
+ old->c7 = new->c7 - old->c7;
+ old->core_temp_c = new->core_temp_c;
+}
- for ( ; after && before && delta;
- after = after->next, before = before->next, delta = delta->next) {
- if (before->cpu != after->cpu) {
- printf("cpu configuration changed: %d != %d\n",
- before->cpu, after->cpu);
- return -1;
- }
+/*
+ * old = new - old
+ */
+void
+delta_thread(struct thread_data *new, struct thread_data *old,
+ struct core_data *core_delta)
+{
+ old->tsc = new->tsc - old->tsc;
- if (SUBTRACT_COUNTER(after->tsc, before->tsc, delta->tsc)) {
- fprintf(stderr, "cpu%d TSC went backwards %llX to %llX\n",
- before->cpu, before->tsc, after->tsc);
- errors++;
- }
- /* check for TSC < 1 Mcycles over interval */
- if (delta->tsc < (1000 * 1000)) {
- fprintf(stderr, "Insanely slow TSC rate,"
- " TSC stops in idle?\n");
- fprintf(stderr, "You can disable all c-states"
- " by booting with \"idle=poll\"\n");
- fprintf(stderr, "or just the deep ones with"
- " \"processor.max_cstate=1\"\n");
- exit(-3);
- }
- if (SUBTRACT_COUNTER(after->c3, before->c3, delta->c3)) {
- fprintf(stderr, "cpu%d c3 counter went backwards %llX to %llX\n",
- before->cpu, before->c3, after->c3);
- errors++;
- }
- if (SUBTRACT_COUNTER(after->c6, before->c6, delta->c6)) {
- fprintf(stderr, "cpu%d c6 counter went backwards %llX to %llX\n",
- before->cpu, before->c6, after->c6);
- errors++;
- }
- if (SUBTRACT_COUNTER(after->c7, before->c7, delta->c7)) {
- fprintf(stderr, "cpu%d c7 counter went backwards %llX to %llX\n",
- before->cpu, before->c7, after->c7);
- errors++;
- }
- if (SUBTRACT_COUNTER(after->pc2, before->pc2, delta->pc2)) {
- fprintf(stderr, "cpu%d pc2 counter went backwards %llX to %llX\n",
- before->cpu, before->pc2, after->pc2);
- errors++;
- }
- if (SUBTRACT_COUNTER(after->pc3, before->pc3, delta->pc3)) {
- fprintf(stderr, "cpu%d pc3 counter went backwards %llX to %llX\n",
- before->cpu, before->pc3, after->pc3);
- errors++;
- }
- if (SUBTRACT_COUNTER(after->pc6, before->pc6, delta->pc6)) {
- fprintf(stderr, "cpu%d pc6 counter went backwards %llX to %llX\n",
- before->cpu, before->pc6, after->pc6);
- errors++;
- }
- if (SUBTRACT_COUNTER(after->pc7, before->pc7, delta->pc7)) {
- fprintf(stderr, "cpu%d pc7 counter went backwards %llX to %llX\n",
- before->cpu, before->pc7, after->pc7);
- errors++;
- }
+ /* check for TSC < 1 Mcycles over interval */
+ if (old->tsc < (1000 * 1000))
+ errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n"
+ "You can disable all c-states by booting with \"idle=poll\"\n"
+ "or just the deep ones with \"processor.max_cstate=1\"");
- perf_err = SUBTRACT_COUNTER(after->aperf, before->aperf, delta->aperf);
- if (perf_err) {
- fprintf(stderr, "cpu%d aperf counter went backwards %llX to %llX\n",
- before->cpu, before->aperf, after->aperf);
- }
- perf_err |= SUBTRACT_COUNTER(after->mperf, before->mperf, delta->mperf);
- if (perf_err) {
- fprintf(stderr, "cpu%d mperf counter went backwards %llX to %llX\n",
- before->cpu, before->mperf, after->mperf);
- }
- if (perf_err) {
- if (!aperf_mperf_unstable) {
- fprintf(stderr, "%s: APERF or MPERF went backwards *\n", progname);
- fprintf(stderr, "* Frequency results do not cover entire interval *\n");
- fprintf(stderr, "* fix this by running Linux-2.6.30 or later *\n");
+ old->c1 = new->c1 - old->c1;
- aperf_mperf_unstable = 1;
- }
- /*
- * mperf delta is likely a huge "positive" number
- * can not use it for calculating c0 time
- */
- skip_c0 = 1;
- skip_c1 = 1;
- }
+ if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) {
+ old->aperf = new->aperf - old->aperf;
+ old->mperf = new->mperf - old->mperf;
+ } else {
+
+ if (!aperf_mperf_unstable) {
+ fprintf(stderr, "%s: APERF or MPERF went backwards *\n", progname);
+ fprintf(stderr, "* Frequency results do not cover entire interval *\n");
+ fprintf(stderr, "* fix this by running Linux-2.6.30 or later *\n");
+ aperf_mperf_unstable = 1;
+ }
/*
- * As mperf and tsc collection are not atomic,
- * it is possible for mperf's non-halted cycles
- * to exceed TSC's all cycles: show c1 = 0% in that case.
+ * mperf delta is likely a huge "positive" number
+ * can not use it for calculating c0 time
*/
- if (delta->mperf > delta->tsc)
- delta->c1 = 0;
- else /* normal case, derive c1 */
- delta->c1 = delta->tsc - delta->mperf
- - delta->c3 - delta->c6 - delta->c7;
+ skip_c0 = 1;
+ skip_c1 = 1;
+ }
- if (delta->mperf == 0)
- delta->mperf = 1; /* divide by 0 protection */
+ if (use_c1_residency_msr) {
+ /*
+ * Some models have a dedicated C1 residency MSR,
+ * which should be more accurate than the derivation below.
+ */
+ } else {
/*
- * for "extra msr", just copy the latest w/o subtracting
+ * As counter collection is not atomic,
+ * it is possible for mperf's non-halted cycles + idle states
+ * to exceed TSC's all cycles: show c1 = 0% in that case.
*/
- delta->extra_msr = after->extra_msr;
- if (errors) {
- fprintf(stderr, "ERROR cpu%d before:\n", before->cpu);
- dump_cnt(before);
- fprintf(stderr, "ERROR cpu%d after:\n", before->cpu);
- dump_cnt(after);
- errors = 0;
+ if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc)
+ old->c1 = 0;
+ else {
+ /* normal case, derive c1 */
+ old->c1 = old->tsc - old->mperf - core_delta->c3
+ - core_delta->c6 - core_delta->c7;
}
}
+
+ if (old->mperf == 0) {
+ if (verbose > 1) fprintf(stderr, "cpu%d MPERF 0!\n", old->cpu_id);
+ old->mperf = 1; /* divide by 0 protection */
+ }
+
+ old->extra_delta32 = new->extra_delta32 - old->extra_delta32;
+ old->extra_delta32 &= 0xFFFFFFFF;
+
+ old->extra_delta64 = new->extra_delta64 - old->extra_delta64;
+
+ /*
+ * Extra MSR is just a snapshot, simply copy latest w/o subtracting
+ */
+ old->extra_msr32 = new->extra_msr32;
+ old->extra_msr64 = new->extra_msr64;
+
+ if (do_smi)
+ old->smi_count = new->smi_count - old->smi_count;
+}
+
+int delta_cpu(struct thread_data *t, struct core_data *c,
+ struct pkg_data *p, struct thread_data *t2,
+ struct core_data *c2, struct pkg_data *p2)
+{
+ /* calculate core delta only for 1st thread in core */
+ if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE)
+ delta_core(c, c2);
+
+ /* always calculate thread delta */
+ delta_thread(t, t2, c2); /* c2 is core delta */
+
+ /* calculate package delta only for 1st core in package */
+ if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)
+ delta_package(p, p2);
+
return 0;
}
-void compute_average(struct counters *delta, struct counters *avg)
-{
- struct counters *sum;
-
- sum = calloc(1, sizeof(struct counters));
- if (sum == NULL) {
- perror("calloc sum");
- exit(1);
- }
-
- for (; delta; delta = delta->next) {
- sum->tsc += delta->tsc;
- sum->c1 += delta->c1;
- sum->c3 += delta->c3;
- sum->c6 += delta->c6;
- sum->c7 += delta->c7;
- sum->aperf += delta->aperf;
- sum->mperf += delta->mperf;
- sum->pc2 += delta->pc2;
- sum->pc3 += delta->pc3;
- sum->pc6 += delta->pc6;
- sum->pc7 += delta->pc7;
- }
- avg->tsc = sum->tsc/num_cpus;
- avg->c1 = sum->c1/num_cpus;
- avg->c3 = sum->c3/num_cpus;
- avg->c6 = sum->c6/num_cpus;
- avg->c7 = sum->c7/num_cpus;
- avg->aperf = sum->aperf/num_cpus;
- avg->mperf = sum->mperf/num_cpus;
- avg->pc2 = sum->pc2/num_cpus;
- avg->pc3 = sum->pc3/num_cpus;
- avg->pc6 = sum->pc6/num_cpus;
- avg->pc7 = sum->pc7/num_cpus;
-
- free(sum);
-}
-
-void get_counters(struct counters *cnt)
-{
- for ( ; cnt; cnt = cnt->next) {
- cnt->tsc = get_msr(cnt->cpu, MSR_TSC);
- if (do_nhm_cstates)
- cnt->c3 = get_msr(cnt->cpu, MSR_CORE_C3_RESIDENCY);
- if (do_nhm_cstates)
- cnt->c6 = get_msr(cnt->cpu, MSR_CORE_C6_RESIDENCY);
- if (do_snb_cstates)
- cnt->c7 = get_msr(cnt->cpu, MSR_CORE_C7_RESIDENCY);
- if (has_aperf)
- cnt->aperf = get_msr(cnt->cpu, MSR_APERF);
- if (has_aperf)
- cnt->mperf = get_msr(cnt->cpu, MSR_MPERF);
- if (do_snb_cstates)
- cnt->pc2 = get_msr(cnt->cpu, MSR_PKG_C2_RESIDENCY);
- if (do_nhm_cstates)
- cnt->pc3 = get_msr(cnt->cpu, MSR_PKG_C3_RESIDENCY);
- if (do_nhm_cstates)
- cnt->pc6 = get_msr(cnt->cpu, MSR_PKG_C6_RESIDENCY);
- if (do_snb_cstates)
- cnt->pc7 = get_msr(cnt->cpu, MSR_PKG_C7_RESIDENCY);
- if (extra_msr_offset)
- cnt->extra_msr = get_msr(cnt->cpu, extra_msr_offset);
- }
-}
-
-void print_nehalem_info(void)
+void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
+{
+ t->tsc = 0;
+ t->aperf = 0;
+ t->mperf = 0;
+ t->c1 = 0;
+
+ t->smi_count = 0;
+ t->extra_delta32 = 0;
+ t->extra_delta64 = 0;
+
+ /* tells format_counters to dump all fields from this set */
+ t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE;
+
+ c->c3 = 0;
+ c->c6 = 0;
+ c->c7 = 0;
+ c->core_temp_c = 0;
+
+ p->pc2 = 0;
+ p->pc3 = 0;
+ p->pc6 = 0;
+ p->pc7 = 0;
+ p->pc8 = 0;
+ p->pc9 = 0;
+ p->pc10 = 0;
+
+ p->energy_pkg = 0;
+ p->energy_dram = 0;
+ p->energy_cores = 0;
+ p->energy_gfx = 0;
+ p->rapl_pkg_perf_status = 0;
+ p->rapl_dram_perf_status = 0;
+ p->pkg_temp_c = 0;
+}
+int sum_counters(struct thread_data *t, struct core_data *c,
+ struct pkg_data *p)
+{
+ average.threads.tsc += t->tsc;
+ average.threads.aperf += t->aperf;
+ average.threads.mperf += t->mperf;
+ average.threads.c1 += t->c1;
+
+ average.threads.extra_delta32 += t->extra_delta32;
+ average.threads.extra_delta64 += t->extra_delta64;
+
+ /* sum per-core values only for 1st thread in core */
+ if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
+ return 0;
+
+ average.cores.c3 += c->c3;
+ average.cores.c6 += c->c6;
+ average.cores.c7 += c->c7;
+
+ average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c);
+
+ /* sum per-pkg values only for 1st core in pkg */
+ if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
+ return 0;
+
+ average.packages.pc2 += p->pc2;
+ average.packages.pc3 += p->pc3;
+ average.packages.pc6 += p->pc6;
+ average.packages.pc7 += p->pc7;
+ average.packages.pc8 += p->pc8;
+ average.packages.pc9 += p->pc9;
+ average.packages.pc10 += p->pc10;
+
+ average.packages.energy_pkg += p->energy_pkg;
+ average.packages.energy_dram += p->energy_dram;
+ average.packages.energy_cores += p->energy_cores;
+ average.packages.energy_gfx += p->energy_gfx;
+
+ average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c);
+
+ average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status;
+ average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status;
+ return 0;
+}
+/*
+ * sum the counters for all cpus in the system
+ * compute the weighted average
+ */
+void compute_average(struct thread_data *t, struct core_data *c,
+ struct pkg_data *p)
+{
+ clear_counters(&average.threads, &average.cores, &average.packages);
+
+ for_all_cpus(sum_counters, t, c, p);
+
+ average.threads.tsc /= topo.num_cpus;
+ average.threads.aperf /= topo.num_cpus;
+ average.threads.mperf /= topo.num_cpus;
+ average.threads.c1 /= topo.num_cpus;
+
+ average.threads.extra_delta32 /= topo.num_cpus;
+ average.threads.extra_delta32 &= 0xFFFFFFFF;
+
+ average.threads.extra_delta64 /= topo.num_cpus;
+
+ average.cores.c3 /= topo.num_cores;
+ average.cores.c6 /= topo.num_cores;
+ average.cores.c7 /= topo.num_cores;
+
+ average.packages.pc2 /= topo.num_packages;
+ average.packages.pc3 /= topo.num_packages;
+ average.packages.pc6 /= topo.num_packages;
+ average.packages.pc7 /= topo.num_packages;
+
+ average.packages.pc8 /= topo.num_packages;
+ average.packages.pc9 /= topo.num_packages;
+ average.packages.pc10 /= topo.num_packages;
+}
+
+static unsigned long long rdtsc(void)
+{
+ unsigned int low, high;
+
+ asm volatile("rdtsc" : "=a" (low), "=d" (high));
+
+ return low | ((unsigned long long)high) << 32;
+}
+
+
+/*
+ * get_counters(...)
+ * migrate to cpu
+ * acquire and record local counters for that cpu
+ */
+int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
+{
+ int cpu = t->cpu_id;
+ unsigned long long msr;
+
+ if (cpu_migrate(cpu)) {
+ fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
+ return -1;
+ }
+
+ t->tsc = rdtsc(); /* we are running on local CPU of interest */
+
+ if (has_aperf) {
+ if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
+ return -3;
+ if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
+ return -4;
+ }
+
+ if (do_smi) {
+ if (get_msr(cpu, MSR_SMI_COUNT, &msr))
+ return -5;
+ t->smi_count = msr & 0xFFFFFFFF;
+ }
+ if (extra_delta_offset32) {
+ if (get_msr(cpu, extra_delta_offset32, &msr))
+ return -5;
+ t->extra_delta32 = msr & 0xFFFFFFFF;
+ }
+
+ if (extra_delta_offset64)
+ if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64))
+ return -5;
+
+ if (extra_msr_offset32) {
+ if (get_msr(cpu, extra_msr_offset32, &msr))
+ return -5;
+ t->extra_msr32 = msr & 0xFFFFFFFF;
+ }
+
+ if (extra_msr_offset64)
+ if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64))
+ return -5;
+
+ if (use_c1_residency_msr) {
+ if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1))
+ return -6;
+ }
+
+ /* collect core counters only for 1st thread in core */
+ if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
+ return 0;
+
+ if (do_nhm_cstates && !do_slm_cstates) {
+ if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
+ return -6;
+ }
+
+ if (do_nhm_cstates) {
+ if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
+ return -7;
+ }
+
+ if (do_snb_cstates)
+ if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7))
+ return -8;
+
+ if (do_dts) {
+ if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
+ return -9;
+ c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
+ }
+
+
+ /* collect package counters only for 1st core in package */
+ if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
+ return 0;
+
+ if (do_nhm_cstates && !do_slm_cstates) {
+ if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3))
+ return -9;
+ if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6))
+ return -10;
+ }
+ if (do_snb_cstates) {
+ if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2))
+ return -11;
+ if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7))
+ return -12;
+ }
+ if (do_c8_c9_c10) {
+ if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8))
+ return -13;
+ if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9))
+ return -13;
+ if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10))
+ return -13;
+ }
+ if (do_rapl & RAPL_PKG) {
+ if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr))
+ return -13;
+ p->energy_pkg = msr & 0xFFFFFFFF;
+ }
+ if (do_rapl & RAPL_CORES) {
+ if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr))
+ return -14;
+ p->energy_cores = msr & 0xFFFFFFFF;
+ }
+ if (do_rapl & RAPL_DRAM) {
+ if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
+ return -15;
+ p->energy_dram = msr & 0xFFFFFFFF;
+ }
+ if (do_rapl & RAPL_GFX) {
+ if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr))
+ return -16;
+ p->energy_gfx = msr & 0xFFFFFFFF;
+ }
+ if (do_rapl & RAPL_PKG_PERF_STATUS) {
+ if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr))
+ return -16;
+ p->rapl_pkg_perf_status = msr & 0xFFFFFFFF;
+ }
+ if (do_rapl & RAPL_DRAM_PERF_STATUS) {
+ if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr))
+ return -16;
+ p->rapl_dram_perf_status = msr & 0xFFFFFFFF;
+ }
+ if (do_ptm) {
+ if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
+ return -17;
+ p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
+ }
+ return 0;
+}
+
+void print_verbose_header(void)
{
unsigned long long msr;
unsigned int ratio;
@@ -475,7 +1022,9 @@ void print_nehalem_info(void)
if (!do_nehalem_platform_info)
return;
- msr = get_msr(0, MSR_NEHALEM_PLATFORM_INFO);
+ get_msr(0, MSR_NHM_PLATFORM_INFO, &msr);
+
+ fprintf(stderr, "cpu0: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", msr);
ratio = (msr >> 40) & 0xFF;
fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency\n",
@@ -485,13 +1034,130 @@ void print_nehalem_info(void)
fprintf(stderr, "%d * %.0f = %.0f MHz TSC frequency\n",
ratio, bclk, ratio * bclk);
- if (verbose > 1)
- fprintf(stderr, "MSR_NEHALEM_PLATFORM_INFO: 0x%llx\n", msr);
+ get_msr(0, MSR_IA32_POWER_CTL, &msr);
+ fprintf(stderr, "cpu0: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n",
+ msr, msr & 0x2 ? "EN" : "DIS");
+
+ if (!do_ivt_turbo_ratio_limit)
+ goto print_nhm_turbo_ratio_limits;
+
+ get_msr(0, MSR_IVT_TURBO_RATIO_LIMIT, &msr);
+
+ fprintf(stderr, "cpu0: MSR_IVT_TURBO_RATIO_LIMIT: 0x%08llx\n", msr);
+
+ ratio = (msr >> 56) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 16 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 48) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 15 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 40) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 14 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 32) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 13 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 24) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 12 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 16) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 11 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 8) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 10 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 0) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 9 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+print_nhm_turbo_ratio_limits:
+ get_msr(0, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr);
+
+#define SNB_C1_AUTO_UNDEMOTE (1UL << 27)
+#define SNB_C3_AUTO_UNDEMOTE (1UL << 28)
+
+ fprintf(stderr, "cpu0: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", msr);
+
+ fprintf(stderr, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: ",
+ (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "",
+ (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "",
+ (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "",
+ (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "",
+ (msr & (1 << 15)) ? "" : "UN",
+ (unsigned int)msr & 7);
+
+
+ switch(msr & 0x7) {
+ case 0:
+ fprintf(stderr, do_slm_cstates ? "no pkg states" : "pc0");
+ break;
+ case 1:
+ fprintf(stderr, do_slm_cstates ? "no pkg states" : do_snb_cstates ? "pc2" : "pc0");
+ break;
+ case 2:
+ fprintf(stderr, do_slm_cstates ? "invalid" : do_snb_cstates ? "pc6-noret" : "pc3");
+ break;
+ case 3:
+ fprintf(stderr, do_slm_cstates ? "invalid" : "pc6");
+ break;
+ case 4:
+ fprintf(stderr, do_slm_cstates ? "pc4" : "pc7");
+ break;
+ case 5:
+ fprintf(stderr, do_slm_cstates ? "invalid" : do_snb_cstates ? "pc7s" : "invalid");
+ break;
+ case 6:
+ fprintf(stderr, do_slm_cstates ? "pc6" : "invalid");
+ break;
+ case 7:
+ fprintf(stderr, do_slm_cstates ? "pc7" : "unlimited");
+ break;
+ default:
+ fprintf(stderr, "invalid");
+ }
+ fprintf(stderr, ")\n");
if (!do_nehalem_turbo_ratio_limit)
return;
- msr = get_msr(0, MSR_NEHALEM_TURBO_RATIO_LIMIT);
+ get_msr(0, MSR_NHM_TURBO_RATIO_LIMIT, &msr);
+
+ fprintf(stderr, "cpu0: MSR_NHM_TURBO_RATIO_LIMIT: 0x%08llx\n", msr);
+
+ ratio = (msr >> 56) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 8 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 48) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 7 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 40) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 6 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 32) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 5 active cores\n",
+ ratio, bclk, ratio * bclk);
ratio = (msr >> 24) & 0xFF;
if (ratio)
@@ -512,267 +1178,278 @@ void print_nehalem_info(void)
if (ratio)
fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 1 active cores\n",
ratio, bclk, ratio * bclk);
-
}
-void free_counter_list(struct counters *list)
+void free_all_buffers(void)
{
- struct counters *p;
+ CPU_FREE(cpu_present_set);
+ cpu_present_set = NULL;
+ cpu_present_set = 0;
- for (p = list; p; ) {
- struct counters *free_me;
+ CPU_FREE(cpu_affinity_set);
+ cpu_affinity_set = NULL;
+ cpu_affinity_setsize = 0;
- free_me = p;
- p = p->next;
- free(free_me);
- }
+ free(thread_even);
+ free(core_even);
+ free(package_even);
+
+ thread_even = NULL;
+ core_even = NULL;
+ package_even = NULL;
+
+ free(thread_odd);
+ free(core_odd);
+ free(package_odd);
+
+ thread_odd = NULL;
+ core_odd = NULL;
+ package_odd = NULL;
+
+ free(output_buffer);
+ output_buffer = NULL;
+ outp = NULL;
}
-void free_all_counters(void)
+/*
+ * Open a file, and exit on failure
+ */
+FILE *fopen_or_die(const char *path, const char *mode)
{
- free_counter_list(cnt_even);
- cnt_even = NULL;
+ FILE *filep = fopen(path, "r");
+ if (!filep)
+ err(1, "%s: open failed", path);
+ return filep;
+}
- free_counter_list(cnt_odd);
- cnt_odd = NULL;
+/*
+ * Parse a file containing a single int.
+ */
+int parse_int_file(const char *fmt, ...)
+{
+ va_list args;
+ char path[PATH_MAX];
+ FILE *filep;
+ int value;
+
+ va_start(args, fmt);
+ vsnprintf(path, sizeof(path), fmt, args);
+ va_end(args);
+ filep = fopen_or_die(path, "r");
+ if (fscanf(filep, "%d", &value) != 1)
+ err(1, "%s: failed to parse number from file", path);
+ fclose(filep);
+ return value;
+}
- free_counter_list(cnt_delta);
- cnt_delta = NULL;
+/*
+ * cpu_is_first_sibling_in_core(cpu)
+ * return 1 if given CPU is 1st HT sibling in the core
+ */
+int cpu_is_first_sibling_in_core(int cpu)
+{
+ return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
+}
- free_counter_list(cnt_average);
- cnt_average = NULL;
+/*
+ * cpu_is_first_core_in_package(cpu)
+ * return 1 if given CPU is 1st core in package
+ */
+int cpu_is_first_core_in_package(int cpu)
+{
+ return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu);
}
-void insert_counters(struct counters **list,
- struct counters *new)
+int get_physical_package_id(int cpu)
{
- struct counters *prev;
+ return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
+}
- /*
- * list was empty
- */
- if (*list == NULL) {
- new->next = *list;
- *list = new;
- return;
- }
+int get_core_id(int cpu)
+{
+ return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
+}
- show_cpu = 1; /* there is more than one CPU */
+int get_num_ht_siblings(int cpu)
+{
+ char path[80];
+ FILE *filep;
+ int sib1, sib2;
+ int matches;
+ char character;
+ sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
+ filep = fopen_or_die(path, "r");
/*
- * insert on front of list.
- * It is sorted by ascending package#, core#, cpu#
+ * file format:
+ * if a pair of number with a character between: 2 siblings (eg. 1-2, or 1,4)
+ * otherwinse 1 sibling (self).
*/
- if (((*list)->pkg > new->pkg) ||
- (((*list)->pkg == new->pkg) && ((*list)->core > new->core)) ||
- (((*list)->pkg == new->pkg) && ((*list)->core == new->core) && ((*list)->cpu > new->cpu))) {
- new->next = *list;
- *list = new;
- return;
- }
+ matches = fscanf(filep, "%d%c%d\n", &sib1, &character, &sib2);
- prev = *list;
+ fclose(filep);
- while (prev->next && (prev->next->pkg < new->pkg)) {
- prev = prev->next;
- show_pkg = 1; /* there is more than 1 package */
- }
+ if (matches == 3)
+ return 2;
+ else
+ return 1;
+}
- while (prev->next && (prev->next->pkg == new->pkg)
- && (prev->next->core < new->core)) {
- prev = prev->next;
- show_core = 1; /* there is more than 1 core */
- }
+/*
+ * run func(thread, core, package) in topology order
+ * skip non-present cpus
+ */
- while (prev->next && (prev->next->pkg == new->pkg)
- && (prev->next->core == new->core)
- && (prev->next->cpu < new->cpu)) {
- prev = prev->next;
- }
+int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *,
+ struct pkg_data *, struct thread_data *, struct core_data *,
+ struct pkg_data *), struct thread_data *thread_base,
+ struct core_data *core_base, struct pkg_data *pkg_base,
+ struct thread_data *thread_base2, struct core_data *core_base2,
+ struct pkg_data *pkg_base2)
+{
+ int retval, pkg_no, core_no, thread_no;
- /*
- * insert after "prev"
- */
- new->next = prev->next;
- prev->next = new;
-}
+ for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
+ for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
+ for (thread_no = 0; thread_no <
+ topo.num_threads_per_core; ++thread_no) {
+ struct thread_data *t, *t2;
+ struct core_data *c, *c2;
+ struct pkg_data *p, *p2;
-void alloc_new_counters(int pkg, int core, int cpu)
-{
- struct counters *new;
+ t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
- if (verbose > 1)
- printf("pkg%d core%d, cpu%d\n", pkg, core, cpu);
-
- new = (struct counters *)calloc(1, sizeof(struct counters));
- if (new == NULL) {
- perror("calloc");
- exit(1);
- }
- new->pkg = pkg;
- new->core = core;
- new->cpu = cpu;
- insert_counters(&cnt_odd, new);
-
- new = (struct counters *)calloc(1,
- sizeof(struct counters));
- if (new == NULL) {
- perror("calloc");
- exit(1);
- }
- new->pkg = pkg;
- new->core = core;
- new->cpu = cpu;
- insert_counters(&cnt_even, new);
-
- new = (struct counters *)calloc(1, sizeof(struct counters));
- if (new == NULL) {
- perror("calloc");
- exit(1);
- }
- new->pkg = pkg;
- new->core = core;
- new->cpu = cpu;
- insert_counters(&cnt_delta, new);
-
- new = (struct counters *)calloc(1, sizeof(struct counters));
- if (new == NULL) {
- perror("calloc");
- exit(1);
- }
- new->pkg = pkg;
- new->core = core;
- new->cpu = cpu;
- cnt_average = new;
-}
+ if (cpu_is_not_present(t->cpu_id))
+ continue;
-int get_physical_package_id(int cpu)
-{
- char path[64];
- FILE *filep;
- int pkg;
+ t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no);
- sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
- filep = fopen(path, "r");
- if (filep == NULL) {
- perror(path);
- exit(1);
- }
- fscanf(filep, "%d", &pkg);
- fclose(filep);
- return pkg;
-}
+ c = GET_CORE(core_base, core_no, pkg_no);
+ c2 = GET_CORE(core_base2, core_no, pkg_no);
-int get_core_id(int cpu)
-{
- char path[64];
- FILE *filep;
- int core;
+ p = GET_PKG(pkg_base, pkg_no);
+ p2 = GET_PKG(pkg_base2, pkg_no);
- sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
- filep = fopen(path, "r");
- if (filep == NULL) {
- perror(path);
- exit(1);
+ retval = func(t, c, p, t2, c2, p2);
+ if (retval)
+ return retval;
+ }
+ }
}
- fscanf(filep, "%d", &core);
- fclose(filep);
- return core;
+ return 0;
}
/*
- * run func(index, cpu) on every cpu in /proc/stat
+ * run func(cpu) on every cpu in /proc/stat
+ * return max_cpu number
*/
-
-int for_all_cpus(void (func)(int, int, int))
+int for_all_proc_cpus(int (func)(int))
{
FILE *fp;
- int cpu_count;
+ int cpu_num;
int retval;
- fp = fopen(proc_stat, "r");
- if (fp == NULL) {
- perror(proc_stat);
- exit(1);
- }
+ fp = fopen_or_die(proc_stat, "r");
retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
- if (retval != 0) {
- perror("/proc/stat format");
- exit(1);
- }
+ if (retval != 0)
+ err(1, "%s: failed to parse format", proc_stat);
- for (cpu_count = 0; ; cpu_count++) {
- int cpu;
-
- retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu);
+ while (1) {
+ retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num);
if (retval != 1)
break;
- func(get_physical_package_id(cpu), get_core_id(cpu), cpu);
+ retval = func(cpu_num);
+ if (retval) {
+ fclose(fp);
+ return(retval);
+ }
}
fclose(fp);
- return cpu_count;
+ return 0;
}
void re_initialize(void)
{
- printf("turbostat: topology changed, re-initializing.\n");
- free_all_counters();
- num_cpus = for_all_cpus(alloc_new_counters);
- need_reinitialize = 0;
- printf("num_cpus is now %d\n", num_cpus);
+ free_all_buffers();
+ setup_all_buffers();
+ printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus);
}
-void dummy(int pkg, int core, int cpu) { return; }
+
/*
- * check to see if a cpu came on-line
+ * count_cpus()
+ * remember the last one seen, it will be the max
*/
-void verify_num_cpus(void)
+int count_cpus(int cpu)
{
- int new_num_cpus;
+ if (topo.max_cpu_num < cpu)
+ topo.max_cpu_num = cpu;
- new_num_cpus = for_all_cpus(dummy);
-
- if (new_num_cpus != num_cpus) {
- if (verbose)
- printf("num_cpus was %d, is now %d\n",
- num_cpus, new_num_cpus);
- need_reinitialize = 1;
- }
+ topo.num_cpus += 1;
+ return 0;
+}
+int mark_cpu_present(int cpu)
+{
+ CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set);
+ return 0;
}
void turbostat_loop()
{
+ int retval;
+ int restarted = 0;
+
restart:
- get_counters(cnt_even);
+ restarted++;
+
+ retval = for_all_cpus(get_counters, EVEN_COUNTERS);
+ if (retval < -1) {
+ exit(retval);
+ } else if (retval == -1) {
+ if (restarted > 1) {
+ exit(retval);
+ }
+ re_initialize();
+ goto restart;
+ }
+ restarted = 0;
gettimeofday(&tv_even, (struct timezone *)NULL);
while (1) {
- verify_num_cpus();
- if (need_reinitialize) {
+ if (for_all_proc_cpus(cpu_is_not_present)) {
re_initialize();
goto restart;
}
sleep(interval_sec);
- get_counters(cnt_odd);
+ retval = for_all_cpus(get_counters, ODD_COUNTERS);
+ if (retval < -1) {
+ exit(retval);
+ } else if (retval == -1) {
+ re_initialize();
+ goto restart;
+ }
gettimeofday(&tv_odd, (struct timezone *)NULL);
-
- compute_delta(cnt_odd, cnt_even, cnt_delta);
timersub(&tv_odd, &tv_even, &tv_delta);
- compute_average(cnt_delta, cnt_average);
- print_counters(cnt_delta);
- if (need_reinitialize) {
+ for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS);
+ compute_average(EVEN_COUNTERS);
+ format_all_counters(EVEN_COUNTERS);
+ flush_stdout();
+ sleep(interval_sec);
+ retval = for_all_cpus(get_counters, EVEN_COUNTERS);
+ if (retval < -1) {
+ exit(retval);
+ } else if (retval == -1) {
re_initialize();
goto restart;
}
- sleep(interval_sec);
- get_counters(cnt_even);
gettimeofday(&tv_even, (struct timezone *)NULL);
- compute_delta(cnt_even, cnt_odd, cnt_delta);
timersub(&tv_even, &tv_odd, &tv_delta);
- compute_average(cnt_delta, cnt_average);
- print_counters(cnt_delta);
+ for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS);
+ compute_average(ODD_COUNTERS);
+ format_all_counters(ODD_COUNTERS);
+ flush_stdout();
}
}
@@ -780,19 +1457,15 @@ void check_dev_msr()
{
struct stat sb;
- if (stat("/dev/cpu/0/msr", &sb)) {
- fprintf(stderr, "no /dev/cpu/0/msr\n");
- fprintf(stderr, "Try \"# modprobe msr\"\n");
- exit(-5);
- }
+ if (stat("/dev/cpu/0/msr", &sb))
+ err(-5, "no /dev/cpu/0/msr\n"
+ "Try \"# modprobe msr\"");
}
void check_super_user()
{
- if (getuid() != 0) {
- fprintf(stderr, "must be root\n");
- exit(-6);
- }
+ if (getuid() != 0)
+ errx(-6, "must be root");
}
int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model)
@@ -812,7 +1485,16 @@ int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model)
case 0x2A: /* SNB */
case 0x2D: /* SNB Xeon */
case 0x3A: /* IVB */
- case 0x3D: /* IVB Xeon */
+ case 0x3E: /* IVB Xeon */
+ case 0x3C: /* HSW */
+ case 0x3F: /* HSX */
+ case 0x45: /* HSW */
+ case 0x46: /* HSW */
+ case 0x37: /* BYT */
+ case 0x4D: /* AVN */
+ case 0x3D: /* BDW */
+ case 0x4F: /* BDX */
+ case 0x56: /* BDX-DE */
return 1;
case 0x2E: /* Nehalem-EX Xeon - Beckton */
case 0x2F: /* Westmere-EX Xeon - Eagleton */
@@ -820,6 +1502,346 @@ int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model)
return 0;
}
}
+int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model)
+{
+ if (!genuine_intel)
+ return 0;
+
+ if (family != 6)
+ return 0;
+
+ switch (model) {
+ case 0x3E: /* IVB Xeon */
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+/*
+ * print_epb()
+ * Decode the ENERGY_PERF_BIAS MSR
+ */
+int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p)
+{
+ unsigned long long msr;
+ char *epb_string;
+ int cpu;
+
+ if (!has_epb)
+ return 0;
+
+ cpu = t->cpu_id;
+
+ /* EPB is per-package */
+ if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
+ return 0;
+
+ if (cpu_migrate(cpu)) {
+ fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
+ return -1;
+ }
+
+ if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr))
+ return 0;
+
+ switch (msr & 0x7) {
+ case ENERGY_PERF_BIAS_PERFORMANCE:
+ epb_string = "performance";
+ break;
+ case ENERGY_PERF_BIAS_NORMAL:
+ epb_string = "balanced";
+ break;
+ case ENERGY_PERF_BIAS_POWERSAVE:
+ epb_string = "powersave";
+ break;
+ default:
+ epb_string = "custom";
+ break;
+ }
+ fprintf(stderr, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string);
+
+ return 0;
+}
+
+#define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */
+#define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */
+
+double get_tdp(model)
+{
+ unsigned long long msr;
+
+ if (do_rapl & RAPL_PKG_POWER_INFO)
+ if (!get_msr(0, MSR_PKG_POWER_INFO, &msr))
+ return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units;
+
+ switch (model) {
+ case 0x37:
+ case 0x4D:
+ return 30.0;
+ default:
+ return 135.0;
+ }
+}
+
+
+/*
+ * rapl_probe()
+ *
+ * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units
+ */
+void rapl_probe(unsigned int family, unsigned int model)
+{
+ unsigned long long msr;
+ unsigned int time_unit;
+ double tdp;
+
+ if (!genuine_intel)
+ return;
+
+ if (family != 6)
+ return;
+
+ switch (model) {
+ case 0x2A:
+ case 0x3A:
+ case 0x3C: /* HSW */
+ case 0x45: /* HSW */
+ case 0x46: /* HSW */
+ case 0x3D: /* BDW */
+ do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO;
+ break;
+ case 0x3F: /* HSX */
+ case 0x4F: /* BDX */
+ case 0x56: /* BDX-DE */
+ do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO;
+ break;
+ case 0x2D:
+ case 0x3E:
+ do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO;
+ break;
+ case 0x37: /* BYT */
+ case 0x4D: /* AVN */
+ do_rapl = RAPL_PKG | RAPL_CORES ;
+ break;
+ default:
+ return;
+ }
+
+ /* units on package 0, verify later other packages match */
+ if (get_msr(0, MSR_RAPL_POWER_UNIT, &msr))
+ return;
+
+ rapl_power_units = 1.0 / (1 << (msr & 0xF));
+ if (model == 0x37)
+ rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000;
+ else
+ rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
+
+ time_unit = msr >> 16 & 0xF;
+ if (time_unit == 0)
+ time_unit = 0xA;
+
+ rapl_time_units = 1.0 / (1 << (time_unit));
+
+ tdp = get_tdp(model);
+
+ rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
+ if (verbose)
+ fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp);
+
+ return;
+}
+
+int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p)
+{
+ unsigned long long msr;
+ unsigned int dts;
+ int cpu;
+
+ if (!(do_dts || do_ptm))
+ return 0;
+
+ cpu = t->cpu_id;
+
+ /* DTS is per-core, no need to print for each thread */
+ if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
+ return 0;
+
+ if (cpu_migrate(cpu)) {
+ fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
+ return -1;
+ }
+
+ if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) {
+ if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
+ return 0;
+
+ dts = (msr >> 16) & 0x7F;
+ fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n",
+ cpu, msr, tcc_activation_temp - dts);
+
+#ifdef THERM_DEBUG
+ if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr))
+ return 0;
+
+ dts = (msr >> 16) & 0x7F;
+ dts2 = (msr >> 8) & 0x7F;
+ fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
+ cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
+#endif
+ }
+
+
+ if (do_dts) {
+ unsigned int resolution;
+
+ if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
+ return 0;
+
+ dts = (msr >> 16) & 0x7F;
+ resolution = (msr >> 27) & 0xF;
+ fprintf(stderr, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n",
+ cpu, msr, tcc_activation_temp - dts, resolution);
+
+#ifdef THERM_DEBUG
+ if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr))
+ return 0;
+
+ dts = (msr >> 16) & 0x7F;
+ dts2 = (msr >> 8) & 0x7F;
+ fprintf(stderr, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
+ cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
+#endif
+ }
+
+ return 0;
+}
+
+void print_power_limit_msr(int cpu, unsigned long long msr, char *label)
+{
+ fprintf(stderr, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n",
+ cpu, label,
+ ((msr >> 15) & 1) ? "EN" : "DIS",
+ ((msr >> 0) & 0x7FFF) * rapl_power_units,
+ (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units,
+ (((msr >> 16) & 1) ? "EN" : "DIS"));
+
+ return;
+}
+
+int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
+{
+ unsigned long long msr;
+ int cpu;
+
+ if (!do_rapl)
+ return 0;
+
+ /* RAPL counters are per package, so print only for 1st thread/package */
+ if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
+ return 0;
+
+ cpu = t->cpu_id;
+ if (cpu_migrate(cpu)) {
+ fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
+ return -1;
+ }
+
+ if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr))
+ return -1;
+
+ if (verbose) {
+ fprintf(stderr, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx "
+ "(%f Watts, %f Joules, %f sec.)\n", cpu, msr,
+ rapl_power_units, rapl_energy_units, rapl_time_units);
+ }
+ if (do_rapl & RAPL_PKG_POWER_INFO) {
+
+ if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr))
+ return -5;
+
+
+ fprintf(stderr, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
+ cpu, msr,
+ ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
+ ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
+ ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
+ ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
+
+ }
+ if (do_rapl & RAPL_PKG) {
+
+ if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr))
+ return -9;
+
+ fprintf(stderr, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n",
+ cpu, msr, (msr >> 63) & 1 ? "": "UN");
+
+ print_power_limit_msr(cpu, msr, "PKG Limit #1");
+ fprintf(stderr, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n",
+ cpu,
+ ((msr >> 47) & 1) ? "EN" : "DIS",
+ ((msr >> 32) & 0x7FFF) * rapl_power_units,
+ (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units,
+ ((msr >> 48) & 1) ? "EN" : "DIS");
+ }
+
+ if (do_rapl & RAPL_DRAM) {
+ if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr))
+ return -6;
+
+
+ fprintf(stderr, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
+ cpu, msr,
+ ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
+ ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
+ ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
+ ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
+
+
+ if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr))
+ return -9;
+ fprintf(stderr, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n",
+ cpu, msr, (msr >> 31) & 1 ? "": "UN");
+
+ print_power_limit_msr(cpu, msr, "DRAM Limit");
+ }
+ if (do_rapl & RAPL_CORE_POLICY) {
+ if (verbose) {
+ if (get_msr(cpu, MSR_PP0_POLICY, &msr))
+ return -7;
+
+ fprintf(stderr, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF);
+ }
+ }
+ if (do_rapl & RAPL_CORES) {
+ if (verbose) {
+
+ if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr))
+ return -9;
+ fprintf(stderr, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n",
+ cpu, msr, (msr >> 31) & 1 ? "": "UN");
+ print_power_limit_msr(cpu, msr, "Cores Limit");
+ }
+ }
+ if (do_rapl & RAPL_GFX) {
+ if (verbose) {
+ if (get_msr(cpu, MSR_PP1_POLICY, &msr))
+ return -8;
+
+ fprintf(stderr, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF);
+
+ if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr))
+ return -9;
+ fprintf(stderr, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n",
+ cpu, msr, (msr >> 31) & 1 ? "": "UN");
+ print_power_limit_msr(cpu, msr, "GFX Limit");
+ }
+ }
+ return 0;
+}
+
int is_snb(unsigned int family, unsigned int model)
{
@@ -829,19 +1851,146 @@ int is_snb(unsigned int family, unsigned int model)
switch (model) {
case 0x2A:
case 0x2D:
+ case 0x3A: /* IVB */
+ case 0x3E: /* IVB Xeon */
+ case 0x3C: /* HSW */
+ case 0x3F: /* HSW */
+ case 0x45: /* HSW */
+ case 0x46: /* HSW */
+ case 0x3D: /* BDW */
+ case 0x4F: /* BDX */
+ case 0x56: /* BDX-DE */
+ return 1;
+ }
+ return 0;
+}
+
+int has_c8_c9_c10(unsigned int family, unsigned int model)
+{
+ if (!genuine_intel)
+ return 0;
+
+ switch (model) {
+ case 0x45: /* HSW */
+ case 0x3D: /* BDW */
+ return 1;
+ }
+ return 0;
+}
+
+
+int is_slm(unsigned int family, unsigned int model)
+{
+ if (!genuine_intel)
+ return 0;
+ switch (model) {
+ case 0x37: /* BYT */
+ case 0x4D: /* AVN */
return 1;
}
return 0;
}
+#define SLM_BCLK_FREQS 5
+double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0};
+
+double slm_bclk(void)
+{
+ unsigned long long msr = 3;
+ unsigned int i;
+ double freq;
+
+ if (get_msr(0, MSR_FSB_FREQ, &msr))
+ fprintf(stderr, "SLM BCLK: unknown\n");
+
+ i = msr & 0xf;
+ if (i >= SLM_BCLK_FREQS) {
+ fprintf(stderr, "SLM BCLK[%d] invalid\n", i);
+ msr = 3;
+ }
+ freq = slm_freq_table[i];
+
+ fprintf(stderr, "SLM BCLK: %.1f Mhz\n", freq);
+
+ return freq;
+}
+
double discover_bclk(unsigned int family, unsigned int model)
{
if (is_snb(family, model))
return 100.00;
+ else if (is_slm(family, model))
+ return slm_bclk();
else
return 133.33;
}
+/*
+ * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where
+ * the Thermal Control Circuit (TCC) activates.
+ * This is usually equal to tjMax.
+ *
+ * Older processors do not have this MSR, so there we guess,
+ * but also allow cmdline over-ride with -T.
+ *
+ * Several MSR temperature values are in units of degrees-C
+ * below this value, including the Digital Thermal Sensor (DTS),
+ * Package Thermal Management Sensor (PTM), and thermal event thresholds.
+ */
+int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p)
+{
+ unsigned long long msr;
+ unsigned int target_c_local;
+ int cpu;
+
+ /* tcc_activation_temp is used only for dts or ptm */
+ if (!(do_dts || do_ptm))
+ return 0;
+
+ /* this is a per-package concept */
+ if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
+ return 0;
+
+ cpu = t->cpu_id;
+ if (cpu_migrate(cpu)) {
+ fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
+ return -1;
+ }
+
+ if (tcc_activation_temp_override != 0) {
+ tcc_activation_temp = tcc_activation_temp_override;
+ fprintf(stderr, "cpu%d: Using cmdline TCC Target (%d C)\n",
+ cpu, tcc_activation_temp);
+ return 0;
+ }
+
+ /* Temperature Target MSR is Nehalem and newer only */
+ if (!do_nehalem_platform_info)
+ goto guess;
+
+ if (get_msr(0, MSR_IA32_TEMPERATURE_TARGET, &msr))
+ goto guess;
+
+ target_c_local = (msr >> 16) & 0xFF;
+
+ if (verbose)
+ fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n",
+ cpu, msr, target_c_local);
+
+ if (!target_c_local)
+ goto guess;
+
+ tcc_activation_temp = target_c_local;
+
+ return 0;
+
+guess:
+ tcc_activation_temp = TJMAX_DEFAULT;
+ fprintf(stderr, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n",
+ cpu, tcc_activation_temp);
+
+ return 0;
+}
void check_cpuid()
{
unsigned int eax, ebx, ecx, edx, max_level;
@@ -849,16 +1998,16 @@ void check_cpuid()
eax = ebx = ecx = edx = 0;
- asm("cpuid" : "=a" (max_level), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0));
+ __get_cpuid(0, &max_level, &ebx, &ecx, &edx);
if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e)
genuine_intel = 1;
if (verbose)
- fprintf(stderr, "%.4s%.4s%.4s ",
+ fprintf(stderr, "CPUID(0): %.4s%.4s%.4s ",
(char *)&ebx, (char *)&edx, (char *)&ecx);
- asm("cpuid" : "=a" (fms), "=c" (ecx), "=d" (edx) : "a" (1) : "ebx");
+ __get_cpuid(1, &fms, &ebx, &ecx, &edx);
family = (fms >> 8) & 0xf;
model = (fms >> 4) & 0xf;
stepping = fms & 0xf;
@@ -869,10 +2018,8 @@ void check_cpuid()
fprintf(stderr, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n",
max_level, family, model, stepping, family, model, stepping);
- if (!(edx & (1 << 5))) {
- fprintf(stderr, "CPUID: no MSR\n");
- exit(1);
- }
+ if (!(edx & (1 << 5)))
+ errx(1, "CPUID: no MSR");
/*
* check max extended function levels of CPUID.
@@ -880,51 +2027,62 @@ void check_cpuid()
* This check is valid for both Intel and AMD.
*/
ebx = ecx = edx = 0;
- asm("cpuid" : "=a" (max_level), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x80000000));
+ __get_cpuid(0x80000000, &max_level, &ebx, &ecx, &edx);
- if (max_level < 0x80000007) {
- fprintf(stderr, "CPUID: no invariant TSC (max_level 0x%x)\n", max_level);
- exit(1);
- }
+ if (max_level < 0x80000007)
+ errx(1, "CPUID: no invariant TSC (max_level 0x%x)", max_level);
/*
* Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8
* this check is valid for both Intel and AMD
*/
- asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x80000007));
+ __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx);
has_invariant_tsc = edx & (1 << 8);
- if (!has_invariant_tsc) {
- fprintf(stderr, "No invariant TSC\n");
- exit(1);
- }
+ if (!has_invariant_tsc)
+ errx(1, "No invariant TSC");
/*
* APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0
* this check is valid for both Intel and AMD
*/
- asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x6));
+ __get_cpuid(0x6, &eax, &ebx, &ecx, &edx);
has_aperf = ecx & (1 << 0);
- if (!has_aperf) {
- fprintf(stderr, "No APERF MSR\n");
- exit(1);
- }
+ do_dts = eax & (1 << 0);
+ do_ptm = eax & (1 << 6);
+ has_epb = ecx & (1 << 3);
+
+ if (verbose)
+ fprintf(stderr, "CPUID(6): %s%s%s%s\n",
+ has_aperf ? "APERF" : "No APERF!",
+ do_dts ? ", DTS" : "",
+ do_ptm ? ", PTM": "",
+ has_epb ? ", EPB": "");
+
+ if (!has_aperf)
+ errx(-1, "No APERF");
do_nehalem_platform_info = genuine_intel && has_invariant_tsc;
do_nhm_cstates = genuine_intel; /* all Intel w/ non-stop TSC have NHM counters */
+ do_smi = do_nhm_cstates;
do_snb_cstates = is_snb(family, model);
+ do_c8_c9_c10 = has_c8_c9_c10(family, model);
+ do_slm_cstates = is_slm(family, model);
bclk = discover_bclk(family, model);
do_nehalem_turbo_ratio_limit = has_nehalem_turbo_ratio_limit(family, model);
+ do_ivt_turbo_ratio_limit = has_ivt_turbo_ratio_limit(family, model);
+ rapl_probe(family, model);
+
+ return;
}
void usage()
{
- fprintf(stderr, "%s: [-v] [-M MSR#] [-i interval_sec | command ...]\n",
- progname);
- exit(1);
+ errx(1, "%s: [-v][-R][-T][-p|-P|-S][-c MSR#][-C MSR#][-m MSR#][-M MSR#][-i interval_sec | command ...]\n",
+ progname);
}
@@ -945,6 +2103,200 @@ int open_dev_cpu_msr(int dummy1)
return 0;
}
+void topology_probe()
+{
+ int i;
+ int max_core_id = 0;
+ int max_package_id = 0;
+ int max_siblings = 0;
+ struct cpu_topology {
+ int core_id;
+ int physical_package_id;
+ } *cpus;
+
+ /* Initialize num_cpus, max_cpu_num */
+ topo.num_cpus = 0;
+ topo.max_cpu_num = 0;
+ for_all_proc_cpus(count_cpus);
+ if (!summary_only && topo.num_cpus > 1)
+ show_cpu = 1;
+
+ if (verbose > 1)
+ fprintf(stderr, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num);
+
+ cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology));
+ if (cpus == NULL)
+ err(1, "calloc cpus");
+
+ /*
+ * Allocate and initialize cpu_present_set
+ */
+ cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1));
+ if (cpu_present_set == NULL)
+ err(3, "CPU_ALLOC");
+ cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
+ CPU_ZERO_S(cpu_present_setsize, cpu_present_set);
+ for_all_proc_cpus(mark_cpu_present);
+
+ /*
+ * Allocate and initialize cpu_affinity_set
+ */
+ cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1));
+ if (cpu_affinity_set == NULL)
+ err(3, "CPU_ALLOC");
+ cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
+ CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
+
+
+ /*
+ * For online cpus
+ * find max_core_id, max_package_id
+ */
+ for (i = 0; i <= topo.max_cpu_num; ++i) {
+ int siblings;
+
+ if (cpu_is_not_present(i)) {
+ if (verbose > 1)
+ fprintf(stderr, "cpu%d NOT PRESENT\n", i);
+ continue;
+ }
+ cpus[i].core_id = get_core_id(i);
+ if (cpus[i].core_id > max_core_id)
+ max_core_id = cpus[i].core_id;
+
+ cpus[i].physical_package_id = get_physical_package_id(i);
+ if (cpus[i].physical_package_id > max_package_id)
+ max_package_id = cpus[i].physical_package_id;
+
+ siblings = get_num_ht_siblings(i);
+ if (siblings > max_siblings)
+ max_siblings = siblings;
+ if (verbose > 1)
+ fprintf(stderr, "cpu %d pkg %d core %d\n",
+ i, cpus[i].physical_package_id, cpus[i].core_id);
+ }
+ topo.num_cores_per_pkg = max_core_id + 1;
+ if (verbose > 1)
+ fprintf(stderr, "max_core_id %d, sizing for %d cores per package\n",
+ max_core_id, topo.num_cores_per_pkg);
+ if (!summary_only && topo.num_cores_per_pkg > 1)
+ show_core = 1;
+
+ topo.num_packages = max_package_id + 1;
+ if (verbose > 1)
+ fprintf(stderr, "max_package_id %d, sizing for %d packages\n",
+ max_package_id, topo.num_packages);
+ if (!summary_only && topo.num_packages > 1)
+ show_pkg = 1;
+
+ topo.num_threads_per_core = max_siblings;
+ if (verbose > 1)
+ fprintf(stderr, "max_siblings %d\n", max_siblings);
+
+ free(cpus);
+}
+
+void
+allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p)
+{
+ int i;
+
+ *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg *
+ topo.num_packages, sizeof(struct thread_data));
+ if (*t == NULL)
+ goto error;
+
+ for (i = 0; i < topo.num_threads_per_core *
+ topo.num_cores_per_pkg * topo.num_packages; i++)
+ (*t)[i].cpu_id = -1;
+
+ *c = calloc(topo.num_cores_per_pkg * topo.num_packages,
+ sizeof(struct core_data));
+ if (*c == NULL)
+ goto error;
+
+ for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++)
+ (*c)[i].core_id = -1;
+
+ *p = calloc(topo.num_packages, sizeof(struct pkg_data));
+ if (*p == NULL)
+ goto error;
+
+ for (i = 0; i < topo.num_packages; i++)
+ (*p)[i].package_id = i;
+
+ return;
+error:
+ err(1, "calloc counters");
+}
+/*
+ * init_counter()
+ *
+ * set cpu_id, core_num, pkg_num
+ * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE
+ *
+ * increment topo.num_cores when 1st core in pkg seen
+ */
+void init_counter(struct thread_data *thread_base, struct core_data *core_base,
+ struct pkg_data *pkg_base, int thread_num, int core_num,
+ int pkg_num, int cpu_id)
+{
+ struct thread_data *t;
+ struct core_data *c;
+ struct pkg_data *p;
+
+ t = GET_THREAD(thread_base, thread_num, core_num, pkg_num);
+ c = GET_CORE(core_base, core_num, pkg_num);
+ p = GET_PKG(pkg_base, pkg_num);
+
+ t->cpu_id = cpu_id;
+ if (thread_num == 0) {
+ t->flags |= CPU_IS_FIRST_THREAD_IN_CORE;
+ if (cpu_is_first_core_in_package(cpu_id))
+ t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE;
+ }
+
+ c->core_id = core_num;
+ p->package_id = pkg_num;
+}
+
+
+int initialize_counters(int cpu_id)
+{
+ int my_thread_id, my_core_id, my_package_id;
+
+ my_package_id = get_physical_package_id(cpu_id);
+ my_core_id = get_core_id(cpu_id);
+
+ if (cpu_is_first_sibling_in_core(cpu_id)) {
+ my_thread_id = 0;
+ topo.num_cores++;
+ } else {
+ my_thread_id = 1;
+ }
+
+ init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
+ init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
+ return 0;
+}
+
+void allocate_output_buffer()
+{
+ output_buffer = calloc(1, (1 + topo.num_cpus) * 1024);
+ outp = output_buffer;
+ if (outp == NULL)
+ err(-1, "calloc output buffer");
+}
+
+void setup_all_buffers(void)
+{
+ topology_probe();
+ allocate_counters(&thread_even, &core_even, &package_even);
+ allocate_counters(&thread_odd, &core_odd, &package_odd);
+ allocate_output_buffer();
+ for_all_proc_cpus(initialize_counters);
+}
+
void turbostat_init()
{
check_cpuid();
@@ -952,17 +2304,33 @@ void turbostat_init()
check_dev_msr();
check_super_user();
- num_cpus = for_all_cpus(alloc_new_counters);
+ setup_all_buffers();
+
+ if (verbose)
+ print_verbose_header();
+
+ if (verbose)
+ for_all_cpus(print_epb, ODD_COUNTERS);
+
+ if (verbose)
+ for_all_cpus(print_rapl, ODD_COUNTERS);
+
+ for_all_cpus(set_temperature_target, ODD_COUNTERS);
if (verbose)
- print_nehalem_info();
+ for_all_cpus(print_thermal, ODD_COUNTERS);
}
int fork_it(char **argv)
{
- int retval;
pid_t child_pid;
- get_counters(cnt_even);
+ int status;
+
+ status = for_all_cpus(get_counters, EVEN_COUNTERS);
+ if (status)
+ exit(status);
+ /* clear affinity side-effect of get_counters() */
+ sched_setaffinity(0, cpu_present_setsize, cpu_present_set);
gettimeofday(&tv_even, (struct timezone *)NULL);
child_pid = fork();
@@ -970,33 +2338,48 @@ int fork_it(char **argv)
/* child */
execvp(argv[0], argv);
} else {
- int status;
/* parent */
- if (child_pid == -1) {
- perror("fork");
- exit(1);
- }
+ if (child_pid == -1)
+ err(1, "fork");
signal(SIGINT, SIG_IGN);
signal(SIGQUIT, SIG_IGN);
- if (waitpid(child_pid, &status, 0) == -1) {
- perror("wait");
- exit(1);
- }
+ if (waitpid(child_pid, &status, 0) == -1)
+ err(status, "waitpid");
}
- get_counters(cnt_odd);
+ /*
+ * n.b. fork_it() does not check for errors from for_all_cpus()
+ * because re-starting is problematic when forking
+ */
+ for_all_cpus(get_counters, ODD_COUNTERS);
gettimeofday(&tv_odd, (struct timezone *)NULL);
- retval = compute_delta(cnt_odd, cnt_even, cnt_delta);
-
timersub(&tv_odd, &tv_even, &tv_delta);
- compute_average(cnt_delta, cnt_average);
- if (!retval)
- print_counters(cnt_delta);
+ for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS);
+ compute_average(EVEN_COUNTERS);
+ format_all_counters(EVEN_COUNTERS);
+ flush_stderr();
fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0);
- return 0;
+ return status;
+}
+
+int get_and_dump_counters(void)
+{
+ int status;
+
+ status = for_all_cpus(get_counters, ODD_COUNTERS);
+ if (status)
+ return status;
+
+ status = for_all_cpus(dump_counters, ODD_COUNTERS);
+ if (status)
+ return status;
+
+ flush_stdout();
+
+ return status;
}
void cmdline(int argc, char **argv)
@@ -1005,19 +2388,48 @@ void cmdline(int argc, char **argv)
progname = argv[0];
- while ((opt = getopt(argc, argv, "+vi:M:")) != -1) {
+ while ((opt = getopt(argc, argv, "+pPsSvi:c:C:m:M:RJT:")) != -1) {
switch (opt) {
+ case 'p':
+ show_core_only++;
+ break;
+ case 'P':
+ show_pkg_only++;
+ break;
+ case 's':
+ dump_only++;
+ break;
+ case 'S':
+ summary_only++;
+ break;
case 'v':
verbose++;
break;
case 'i':
interval_sec = atoi(optarg);
break;
+ case 'c':
+ sscanf(optarg, "%x", &extra_delta_offset32);
+ break;
+ case 'C':
+ sscanf(optarg, "%x", &extra_delta_offset64);
+ break;
+ case 'm':
+ sscanf(optarg, "%x", &extra_msr_offset32);
+ break;
case 'M':
- sscanf(optarg, "%x", &extra_msr_offset);
- if (verbose > 1)
- fprintf(stderr, "MSR 0x%X\n", extra_msr_offset);
+ sscanf(optarg, "%x", &extra_msr_offset64);
+ break;
+ case 'R':
+ rapl_verbose++;
+ break;
+ case 'T':
+ tcc_activation_temp_override = atoi(optarg);
+ break;
+ case 'J':
+ rapl_joules++;
break;
+
default:
usage();
}
@@ -1028,14 +2440,16 @@ int main(int argc, char **argv)
{
cmdline(argc, argv);
- if (verbose > 1)
- fprintf(stderr, "turbostat Dec 6, 2010"
+ if (verbose)
+ fprintf(stderr, "turbostat v3.7 Feb 6, 2014"
" - Len Brown <lenb@kernel.org>\n");
- if (verbose > 1)
- fprintf(stderr, "http://userweb.kernel.org/~lenb/acpi/utils/pmtools/turbostat/\n");
turbostat_init();
+ /* dump counters and exit */
+ if (dump_only)
+ return get_and_dump_counters();
+
/*
* if any params left, it must be a command to fork
*/
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 13:40:30 +0000