diff options
Diffstat (limited to 'tools/power')
20 files changed, 562 insertions, 226 deletions
diff --git a/tools/power/acpi/Makefile b/tools/power/acpi/Makefile index 98625fa2baf..e5a3c4be2a1 100644 --- a/tools/power/acpi/Makefile +++ b/tools/power/acpi/Makefile @@ -19,6 +19,8 @@ OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd) $(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist)) endif +SUBDIRS = tools/ec + # --- CONFIGURATION BEGIN --- # Set the following to `true' to make a unstripped, unoptimized @@ -90,15 +92,6 @@ else STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment endif -# if DEBUG is enabled, then we do not strip or optimize -ifeq ($(strip $(DEBUG)),true) - CFLAGS += -O1 -g -DDEBUG - STRIPCMD = /bin/true -Since_we_are_debugging -else - CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer - STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment -endif - # --- ACPIDUMP BEGIN --- vpath %.c \ @@ -148,7 +141,7 @@ clean: -rm -f $(OUTPUT)acpidump install-tools: - $(INSTALL) -d $(DESTDIR)${bindir} + $(INSTALL) -d $(DESTDIR)${sbindir} $(INSTALL_PROGRAM) $(OUTPUT)acpidump $(DESTDIR)${sbindir} install-man: diff --git a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c index e975aa90016..28c52008e85 100644 --- a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c +++ b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c @@ -505,6 +505,28 @@ static acpi_status osl_load_rsdp(void) /****************************************************************************** * + * FUNCTION: osl_can_use_xsdt + * + * PARAMETERS: None + * + * RETURN: TRUE if XSDT is allowed to be used. + * + * DESCRIPTION: This function collects logic that can be used to determine if + * XSDT should be used instead of RSDT. + * + *****************************************************************************/ + +static u8 osl_can_use_xsdt(void) +{ + if (gbl_revision && !acpi_gbl_do_not_use_xsdt) { + return (TRUE); + } else { + return (FALSE); + } +} + +/****************************************************************************** + * * FUNCTION: osl_table_initialize * * PARAMETERS: None @@ -535,7 +557,7 @@ static acpi_status osl_table_initialize(void) /* Get XSDT from memory */ - if (gbl_rsdp.revision) { + if (gbl_rsdp.revision && !gbl_do_not_dump_xsdt) { if (gbl_xsdt) { free(gbl_xsdt); gbl_xsdt = NULL; @@ -668,7 +690,7 @@ static acpi_status osl_list_bios_tables(void) acpi_status status = AE_OK; u32 i; - if (gbl_revision) { + if (osl_can_use_xsdt()) { item_size = sizeof(u64); table_data = ACPI_CAST8(gbl_xsdt) + sizeof(struct acpi_table_header); @@ -690,7 +712,7 @@ static acpi_status osl_list_bios_tables(void) /* Search RSDT/XSDT for the requested table */ for (i = 0; i < number_of_tables; ++i, table_data += item_size) { - if (gbl_revision) { + if (osl_can_use_xsdt()) { table_address = (acpi_physical_address) (*ACPI_CAST64(table_data)); } else { @@ -698,6 +720,12 @@ static acpi_status osl_list_bios_tables(void) (acpi_physical_address) (*ACPI_CAST32(table_data)); } + /* Skip NULL entries in RSDT/XSDT */ + + if (!table_address) { + continue; + } + status = osl_map_table(table_address, NULL, &mapped_table); if (ACPI_FAILURE(status)) { return (status); @@ -755,6 +783,10 @@ osl_get_bios_table(char *signature, ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT) || ACPI_COMPARE_NAME(signature, ACPI_SIG_DSDT) || ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) { + if (instance > 0) { + return (AE_LIMIT); + } + /* * Get the appropriate address, either 32-bit or 64-bit. Be very * careful about the FADT length and validate table addresses. @@ -809,7 +841,7 @@ osl_get_bios_table(char *signature, table_length = ap_get_table_length(mapped_table); } else { /* Case for a normal ACPI table */ - if (gbl_revision) { + if (osl_can_use_xsdt()) { item_size = sizeof(u64); table_data = ACPI_CAST8(gbl_xsdt) + @@ -833,7 +865,7 @@ osl_get_bios_table(char *signature, /* Search RSDT/XSDT for the requested table */ for (i = 0; i < number_of_tables; ++i, table_data += item_size) { - if (gbl_revision) { + if (osl_can_use_xsdt()) { table_address = (acpi_physical_address) (*ACPI_CAST64 (table_data)); @@ -843,6 +875,12 @@ osl_get_bios_table(char *signature, (table_data)); } + /* Skip NULL entries in RSDT/XSDT */ + + if (!table_address) { + continue; + } + status = osl_map_table(table_address, NULL, &mapped_table); if (ACPI_FAILURE(status)) { @@ -996,10 +1034,21 @@ osl_map_table(acpi_size address, /* If specified, signature must match */ - if (signature && !ACPI_COMPARE_NAME(signature, mapped_table->signature)) { - acpi_os_unmap_memory(mapped_table, - sizeof(struct acpi_table_header)); - return (AE_BAD_SIGNATURE); + if (signature) { + if (ACPI_VALIDATE_RSDP_SIG(signature)) { + if (!ACPI_VALIDATE_RSDP_SIG(mapped_table->signature)) { + acpi_os_unmap_memory(mapped_table, + sizeof(struct + acpi_table_header)); + return (AE_BAD_SIGNATURE); + } + } else + if (!ACPI_COMPARE_NAME(signature, mapped_table->signature)) + { + acpi_os_unmap_memory(mapped_table, + sizeof(struct acpi_table_header)); + return (AE_BAD_SIGNATURE); + } } /* Map the entire table */ @@ -1112,7 +1161,6 @@ osl_read_table_from_file(char *filename, struct acpi_table_header *local_table = NULL; u32 table_length; s32 count; - u32 total = 0; acpi_status status = AE_OK; /* Open the file */ @@ -1136,12 +1184,22 @@ osl_read_table_from_file(char *filename, /* If signature is specified, it must match the table */ - if (signature && !ACPI_COMPARE_NAME(signature, header.signature)) { - fprintf(stderr, - "Incorrect signature: Expecting %4.4s, found %4.4s\n", - signature, header.signature); - status = AE_BAD_SIGNATURE; - goto exit; + if (signature) { + if (ACPI_VALIDATE_RSDP_SIG(signature)) { + if (!ACPI_VALIDATE_RSDP_SIG(header.signature)) { + fprintf(stderr, + "Incorrect RSDP signature: found %8.8s\n", + header.signature); + status = AE_BAD_SIGNATURE; + goto exit; + } + } else if (!ACPI_COMPARE_NAME(signature, header.signature)) { + fprintf(stderr, + "Incorrect signature: Expecting %4.4s, found %4.4s\n", + signature, header.signature); + status = AE_BAD_SIGNATURE; + goto exit; + } } table_length = ap_get_table_length(&header); @@ -1163,16 +1221,12 @@ osl_read_table_from_file(char *filename, fseek(table_file, file_offset, SEEK_SET); - while (!feof(table_file) && total < table_length) { - count = fread(local_table + total, 1, table_length - total, table_file); - if (count < 0) { - fprintf(stderr, "%4.4s: Could not read table content\n", - header.signature); - status = AE_INVALID_TABLE_LENGTH; - goto exit; - } - - total += count; + count = fread(local_table, 1, table_length, table_file); + if (count != table_length) { + fprintf(stderr, "%4.4s: Could not read table content\n", + header.signature); + status = AE_INVALID_TABLE_LENGTH; + goto exit; } /* Validate checksum */ diff --git a/tools/power/acpi/tools/acpidump/acpidump.h b/tools/power/acpi/tools/acpidump/acpidump.h index 3361b9e04d9..46f519597fe 100644 --- a/tools/power/acpi/tools/acpidump/acpidump.h +++ b/tools/power/acpi/tools/acpidump/acpidump.h @@ -41,32 +41,34 @@ * POSSIBILITY OF SUCH DAMAGES. */ -#include <acpi/acpi.h> -#include "accommon.h" -#include "actables.h" - -#include <stdio.h> -#include <fcntl.h> -#include <errno.h> -#include <sys/stat.h> - /* * Global variables. Defined in main.c only, externed in all other files */ #ifdef _DECLARE_GLOBALS #define EXTERN #define INIT_GLOBAL(a,b) a=b +#define DEFINE_ACPI_GLOBALS 1 #else #define EXTERN extern #define INIT_GLOBAL(a,b) a #endif +#include <acpi/acpi.h> +#include "accommon.h" +#include "actables.h" + +#include <stdio.h> +#include <fcntl.h> +#include <errno.h> +#include <sys/stat.h> + /* Globals */ EXTERN u8 INIT_GLOBAL(gbl_summary_mode, FALSE); EXTERN u8 INIT_GLOBAL(gbl_verbose_mode, FALSE); EXTERN u8 INIT_GLOBAL(gbl_binary_mode, FALSE); EXTERN u8 INIT_GLOBAL(gbl_dump_customized_tables, FALSE); +EXTERN u8 INIT_GLOBAL(gbl_do_not_dump_xsdt, FALSE); EXTERN FILE INIT_GLOBAL(*gbl_output_file, NULL); EXTERN char INIT_GLOBAL(*gbl_output_filename, NULL); EXTERN u64 INIT_GLOBAL(gbl_rsdp_base, 0); @@ -74,10 +76,7 @@ EXTERN u64 INIT_GLOBAL(gbl_rsdp_base, 0); /* Globals required for use with ACPICA modules */ #ifdef _DECLARE_GLOBALS -u8 acpi_gbl_enable_interpreter_slack = FALSE; u8 acpi_gbl_integer_byte_width = 8; -u32 acpi_dbg_level = 0; -u32 acpi_dbg_layer = 0; #endif /* Action table used to defer requested options */ diff --git a/tools/power/acpi/tools/acpidump/apmain.c b/tools/power/acpi/tools/acpidump/apmain.c index 70d71ec687a..51e8d638db1 100644 --- a/tools/power/acpi/tools/acpidump/apmain.c +++ b/tools/power/acpi/tools/acpidump/apmain.c @@ -80,7 +80,7 @@ struct ap_dump_action action_table[AP_MAX_ACTIONS]; u32 current_action = 0; #define AP_UTILITY_NAME "ACPI Binary Table Dump Utility" -#define AP_SUPPORTED_OPTIONS "?a:bcf:hn:o:r:svz" +#define AP_SUPPORTED_OPTIONS "?a:bcf:hn:o:r:svxz" /****************************************************************************** * @@ -109,6 +109,8 @@ static void ap_display_usage(void) ACPI_OPTION("-a <Address>", "Get table via a physical address"); ACPI_OPTION("-f <BinaryFile>", "Get table via a binary file"); ACPI_OPTION("-n <Signature>", "Get table via a name/signature"); + ACPI_OPTION("-x", "Do not use but dump XSDT"); + ACPI_OPTION("-x -x", "Do not use or dump XSDT"); printf("\n" "Invocation without parameters dumps all available tables\n" @@ -210,6 +212,15 @@ static int ap_do_options(int argc, char **argv) gbl_summary_mode = TRUE; continue; + case 'x': /* Do not use XSDT */ + + if (!acpi_gbl_do_not_use_xsdt) { + acpi_gbl_do_not_use_xsdt = TRUE; + } else { + gbl_do_not_dump_xsdt = TRUE; + } + continue; + case 'v': /* Revision/version */ printf(ACPI_COMMON_SIGNON(AP_UTILITY_NAME)); diff --git a/tools/power/acpi/tools/ec/Makefile b/tools/power/acpi/tools/ec/Makefile new file mode 100644 index 00000000000..b7b0b929bd3 --- /dev/null +++ b/tools/power/acpi/tools/ec/Makefile @@ -0,0 +1,22 @@ +ec_access: ec_access.o + $(ECHO) " LD " $@ + $(QUIET) $(LD) $(CFLAGS) $(LDFLAGS) $< -o $@ + $(QUIET) $(STRIPCMD) $@ + +%.o: %.c + $(ECHO) " CC " $@ + $(QUIET) $(CC) -c $(CFLAGS) -o $@ $< + +all: ec_access + +install: + $(INSTALL) -d $(DESTDIR)${sbindir} + $(INSTALL_PROGRAM) ec_access $(DESTDIR)${sbindir} + +uninstall: + - rm -f $(DESTDIR)${sbindir}/ec_access + +clean: + -rm -f $(OUTPUT)ec_access + +.PHONY: all install uninstall diff --git a/tools/power/acpi/tools/ec/ec_access.c b/tools/power/acpi/tools/ec/ec_access.c new file mode 100644 index 00000000000..6b8aaed44f2 --- /dev/null +++ b/tools/power/acpi/tools/ec/ec_access.c @@ -0,0 +1,238 @@ +/* + * ec_access.c + * + * Copyright (C) 2010 SUSE Linux Products GmbH + * Author: + * Thomas Renninger <trenn@suse.de> + * + * This work is licensed under the terms of the GNU GPL, version 2. + */ + +#include <fcntl.h> +#include <err.h> +#include <stdio.h> +#include <stdlib.h> +#include <libgen.h> +#include <unistd.h> +#include <getopt.h> +#include <stdint.h> +#include <sys/types.h> +#include <sys/stat.h> + + +#define EC_SPACE_SIZE 256 +#define SYSFS_PATH "/sys/kernel/debug/ec/ec0/io" + +/* TBD/Enhancements: + - Provide param for accessing different ECs (not supported by kernel yet) +*/ + +static int read_mode = -1; +static int sleep_time; +static int write_byte_offset = -1; +static int read_byte_offset = -1; +static uint8_t write_value = -1; + +void usage(char progname[], int exit_status) +{ + printf("Usage:\n"); + printf("1) %s -r [-s sleep]\n", basename(progname)); + printf("2) %s -b byte_offset\n", basename(progname)); + printf("3) %s -w byte_offset -v value\n\n", basename(progname)); + + puts("\t-r [-s sleep] : Dump EC registers"); + puts("\t If sleep is given, sleep x seconds,"); + puts("\t re-read EC registers and show changes"); + puts("\t-b offset : Read value at byte_offset (in hex)"); + puts("\t-w offset -v value : Write value at byte_offset"); + puts("\t-h : Print this help\n\n"); + puts("Offsets and values are in hexadecimal number sytem."); + puts("The offset and value must be between 0 and 0xff."); + exit(exit_status); +} + +void parse_opts(int argc, char *argv[]) +{ + int c; + + while ((c = getopt(argc, argv, "rs:b:w:v:h")) != -1) { + + switch (c) { + case 'r': + if (read_mode != -1) + usage(argv[0], EXIT_FAILURE); + read_mode = 1; + break; + case 's': + if (read_mode != -1 && read_mode != 1) + usage(argv[0], EXIT_FAILURE); + + sleep_time = atoi(optarg); + if (sleep_time <= 0) { + sleep_time = 0; + usage(argv[0], EXIT_FAILURE); + printf("Bad sleep time: %s\n", optarg); + } + break; + case 'b': + if (read_mode != -1) + usage(argv[0], EXIT_FAILURE); + read_mode = 1; + read_byte_offset = strtoul(optarg, NULL, 16); + break; + case 'w': + if (read_mode != -1) + usage(argv[0], EXIT_FAILURE); + read_mode = 0; + write_byte_offset = strtoul(optarg, NULL, 16); + break; + case 'v': + write_value = strtoul(optarg, NULL, 16); + break; + case 'h': + usage(argv[0], EXIT_SUCCESS); + default: + fprintf(stderr, "Unknown option!\n"); + usage(argv[0], EXIT_FAILURE); + } + } + if (read_mode == 0) { + if (write_byte_offset < 0 || + write_byte_offset >= EC_SPACE_SIZE) { + fprintf(stderr, "Wrong byte offset 0x%.2x, valid: " + "[0-0x%.2x]\n", + write_byte_offset, EC_SPACE_SIZE - 1); + usage(argv[0], EXIT_FAILURE); + } + if (write_value < 0 || + write_value >= 255) { + fprintf(stderr, "Wrong byte offset 0x%.2x, valid:" + "[0-0xff]\n", write_byte_offset); + usage(argv[0], EXIT_FAILURE); + } + } + if (read_mode == 1 && read_byte_offset != -1) { + if (read_byte_offset < -1 || + read_byte_offset >= EC_SPACE_SIZE) { + fprintf(stderr, "Wrong byte offset 0x%.2x, valid: " + "[0-0x%.2x]\n", + read_byte_offset, EC_SPACE_SIZE - 1); + usage(argv[0], EXIT_FAILURE); + } + } + /* Add additional parameter checks here */ +} + +void dump_ec(int fd) +{ + char buf[EC_SPACE_SIZE]; + char buf2[EC_SPACE_SIZE]; + int byte_off, bytes_read; + + bytes_read = read(fd, buf, EC_SPACE_SIZE); + + if (bytes_read == -1) + err(EXIT_FAILURE, "Could not read from %s\n", SYSFS_PATH); + + if (bytes_read != EC_SPACE_SIZE) + fprintf(stderr, "Could only read %d bytes\n", bytes_read); + + printf(" 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F"); + for (byte_off = 0; byte_off < bytes_read; byte_off++) { + if ((byte_off % 16) == 0) + printf("\n%.2X: ", byte_off); + printf(" %.2x ", (uint8_t)buf[byte_off]); + } + printf("\n"); + + if (!sleep_time) + return; + + printf("\n"); + lseek(fd, 0, SEEK_SET); + sleep(sleep_time); + + bytes_read = read(fd, buf2, EC_SPACE_SIZE); + + if (bytes_read == -1) + err(EXIT_FAILURE, "Could not read from %s\n", SYSFS_PATH); + + if (bytes_read != EC_SPACE_SIZE) + fprintf(stderr, "Could only read %d bytes\n", bytes_read); + + printf(" 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F"); + for (byte_off = 0; byte_off < bytes_read; byte_off++) { + if ((byte_off % 16) == 0) + printf("\n%.2X: ", byte_off); + + if (buf[byte_off] == buf2[byte_off]) + printf(" %.2x ", (uint8_t)buf2[byte_off]); + else + printf("*%.2x ", (uint8_t)buf2[byte_off]); + } + printf("\n"); +} + +void read_ec_val(int fd, int byte_offset) +{ + uint8_t buf; + int error; + + error = lseek(fd, byte_offset, SEEK_SET); + if (error != byte_offset) + err(EXIT_FAILURE, "Cannot set offset to 0x%.2x", byte_offset); + + error = read(fd, &buf, 1); + if (error != 1) + err(EXIT_FAILURE, "Could not read byte 0x%.2x from %s\n", + byte_offset, SYSFS_PATH); + printf("0x%.2x\n", buf); + return; +} + +void write_ec_val(int fd, int byte_offset, uint8_t value) +{ + int error; + + error = lseek(fd, byte_offset, SEEK_SET); + if (error != byte_offset) + err(EXIT_FAILURE, "Cannot set offset to 0x%.2x", byte_offset); + + error = write(fd, &value, 1); + if (error != 1) + err(EXIT_FAILURE, "Cannot write value 0x%.2x to offset 0x%.2x", + value, byte_offset); +} + +int main(int argc, char *argv[]) +{ + int file_mode = O_RDONLY; + int fd; + + parse_opts(argc, argv); + + if (read_mode == 0) + file_mode = O_WRONLY; + else if (read_mode == 1) + file_mode = O_RDONLY; + else + usage(argv[0], EXIT_FAILURE); + + fd = open(SYSFS_PATH, file_mode); + if (fd == -1) + err(EXIT_FAILURE, "%s", SYSFS_PATH); + + if (read_mode) + if (read_byte_offset == -1) + dump_ec(fd); + else if (read_byte_offset < 0 || + read_byte_offset >= EC_SPACE_SIZE) + usage(argv[0], EXIT_FAILURE); + else + read_ec_val(fd, read_byte_offset); + else + write_ec_val(fd, write_byte_offset, write_value); + close(fd); + + exit(EXIT_SUCCESS); +} diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile index cbfec92af32..2e2ba2efa0d 100644 --- a/tools/power/cpupower/Makefile +++ b/tools/power/cpupower/Makefile @@ -62,7 +62,7 @@ LIB_MAJ= 0.0.0 LIB_MIN= 0 PACKAGE = cpupower -PACKAGE_BUGREPORT = cpufreq@vger.kernel.org +PACKAGE_BUGREPORT = linux-pm@vger.kernel.org LANGUAGES = de fr it cs pt @@ -274,6 +274,8 @@ install-man: $(INSTALL_DATA) -D man/cpupower.1 $(DESTDIR)${mandir}/man1/cpupower.1 $(INSTALL_DATA) -D man/cpupower-frequency-set.1 $(DESTDIR)${mandir}/man1/cpupower-frequency-set.1 $(INSTALL_DATA) -D man/cpupower-frequency-info.1 $(DESTDIR)${mandir}/man1/cpupower-frequency-info.1 + $(INSTALL_DATA) -D man/cpupower-idle-set.1 $(DESTDIR)${mandir}/man1/cpupower-idle-set.1 + $(INSTALL_DATA) -D man/cpupower-idle-info.1 $(DESTDIR)${mandir}/man1/cpupower-idle-info.1 $(INSTALL_DATA) -D man/cpupower-set.1 $(DESTDIR)${mandir}/man1/cpupower-set.1 $(INSTALL_DATA) -D man/cpupower-info.1 $(DESTDIR)${mandir}/man1/cpupower-info.1 $(INSTALL_DATA) -D man/cpupower-monitor.1 $(DESTDIR)${mandir}/man1/cpupower-monitor.1 @@ -295,8 +297,12 @@ uninstall: - rm -f $(DESTDIR)${libdir}/libcpupower.* - rm -f $(DESTDIR)${includedir}/cpufreq.h - rm -f $(DESTDIR)${bindir}/utils/cpupower - - rm -f $(DESTDIR)${mandir}/man1/cpufreq-set.1 - - rm -f $(DESTDIR)${mandir}/man1/cpufreq-info.1 + - rm -f $(DESTDIR)${mandir}/man1/cpupower.1 + - rm -f $(DESTDIR)${mandir}/man1/cpupower-frequency-set.1 + - rm -f $(DESTDIR)${mandir}/man1/cpupower-frequency-info.1 + - rm -f $(DESTDIR)${mandir}/man1/cpupower-set.1 + - rm -f $(DESTDIR)${mandir}/man1/cpupower-info.1 + - rm -f $(DESTDIR)${mandir}/man1/cpupower-monitor.1 - for HLANG in $(LANGUAGES); do \ rm -f $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupower.mo; \ done; diff --git a/tools/power/cpupower/README b/tools/power/cpupower/README index fd9d4c0d668..1c68f47663b 100644 --- a/tools/power/cpupower/README +++ b/tools/power/cpupower/README @@ -1,6 +1,4 @@ -The cpufrequtils package (homepage: -http://www.kernel.org/pub/linux/utils/kernel/cpufreq/cpufrequtils.html ) -consists of the following elements: +The cpupower package consists of the following elements: requirements ------------ @@ -11,10 +9,10 @@ providing cpuid.h is needed. For both it's not explicitly checked for (yet). -libcpufreq +libcpupower ---------- -"libcpufreq" is a library which offers a unified access method for userspace +"libcpupower" is a library which offers a unified access method for userspace tools and programs to the cpufreq core and drivers in the Linux kernel. This allows for code reduction in userspace tools, a clean implementation of the interaction to the cpufreq core, and support for both the sysfs and proc @@ -28,22 +26,22 @@ make su make install -should suffice on most systems. It builds default libcpufreq, -cpufreq-set and cpufreq-info files and installs them in /usr/lib and -/usr/bin, respectively. If you want to set up the paths differently and/or -want to configure the package to your specific needs, you need to open -"Makefile" with an editor of your choice and edit the block marked -CONFIGURATION. +should suffice on most systems. It builds libcpupower to put in +/usr/lib; cpupower, cpufreq-bench_plot.sh to put in /usr/bin; and +cpufreq-bench to put in /usr/sbin. If you want to set up the paths +differently and/or want to configure the package to your specific +needs, you need to open "Makefile" with an editor of your choice and +edit the block marked CONFIGURATION. THANKS ------ Many thanks to Mattia Dongili who wrote the autotoolization and -libtoolization, the manpages and the italian language file for cpufrequtils; +libtoolization, the manpages and the italian language file for cpupower; to Dave Jones for his feedback and his dump_psb tool; to Bruno Ducrot for his powernow-k8-decode and intel_gsic tools as well as the french language file; and to various others commenting on the previous (pre-)releases of -cpufrequtils. +cpupower. Dominik Brodowski diff --git a/tools/power/cpupower/ToDo b/tools/power/cpupower/ToDo index 874b78b586e..6e8b89f282e 100644 --- a/tools/power/cpupower/ToDo +++ b/tools/power/cpupower/ToDo @@ -3,7 +3,6 @@ ToDos sorted by priority: - Use bitmask functions to parse CPU topology more robust (current implementation has issues on AMD) - Try to read out boost states and frequencies on Intel -- Adjust README - Somewhere saw the ability to read power consumption of RAM from HW on Intel SandyBridge -> another monitor? - Add another c1e debug idle monitor diff --git a/tools/power/cpupower/debug/kernel/cpufreq-test_tsc.c b/tools/power/cpupower/debug/kernel/cpufreq-test_tsc.c index 0f10b81e332..5224ee5b392 100644 --- a/tools/power/cpupower/debug/kernel/cpufreq-test_tsc.c +++ b/tools/power/cpupower/debug/kernel/cpufreq-test_tsc.c @@ -18,7 +18,7 @@ * 5.) if the third value, "diff_pmtmr", changes between 2. and 4., the * TSC-based delay routine on the Linux kernel does not correctly * handle the cpufreq transition. Please report this to - * cpufreq@vger.kernel.org + * linux-pm@vger.kernel.org */ #include <linux/kernel.h> diff --git a/tools/power/cpupower/man/cpupower-frequency-info.1 b/tools/power/cpupower/man/cpupower-frequency-info.1 index 4a1918ea8f9..9c85a382e35 100644 --- a/tools/power/cpupower/man/cpupower-frequency-info.1 +++ b/tools/power/cpupower/man/cpupower-frequency-info.1 @@ -50,6 +50,9 @@ Prints out information like provided by the /proc/cpufreq interface in 2.4. and \fB\-m\fR \fB\-\-human\fR human\-readable output for the \-f, \-w, \-s and \-y parameters. .TP +\fB\-n\fR \fB\-\-no-rounding\fR +Output frequencies and latencies without rounding off values. +.TP .SH "REMARKS" .LP By default only values of core zero are displayed. How to display settings of diff --git a/tools/power/cpupower/man/cpupower-idle-set.1 b/tools/power/cpupower/man/cpupower-idle-set.1 index 6b1607272a5..3e6799d7a79 100644 --- a/tools/power/cpupower/man/cpupower-idle-set.1 +++ b/tools/power/cpupower/man/cpupower-idle-set.1 @@ -13,11 +13,17 @@ sleep states. This can be handy for power vs performance tuning. .SH "OPTIONS" .LP .TP -\fB\-d\fR \fB\-\-disable\fR +\fB\-d\fR \fB\-\-disable\fR <STATE_NO> Disable a specific processor sleep state. .TP -\fB\-e\fR \fB\-\-enable\fR +\fB\-e\fR \fB\-\-enable\fR <STATE_NO> Enable a specific processor sleep state. +.TP +\fB\-D\fR \fB\-\-disable-by-latency\fR <LATENCY> +Disable all idle states with a equal or higher latency than <LATENCY> +.TP +\fB\-E\fR \fB\-\-enable-all\fR +Enable all idle states if not enabled already. .SH "REMARKS" .LP diff --git a/tools/power/cpupower/man/cpupower-info.1 b/tools/power/cpupower/man/cpupower-info.1 index 58e21196f17..340bcd0be7d 100644 --- a/tools/power/cpupower/man/cpupower-info.1 +++ b/tools/power/cpupower/man/cpupower-info.1 @@ -3,7 +3,7 @@ cpupower\-info \- Shows processor power related kernel or hardware configurations .SH SYNOPSIS .ft B -.B cpupower info [ \-b ] [ \-s ] [ \-m ] +.B cpupower info [ \-b ] .SH DESCRIPTION \fBcpupower info \fP shows kernel configurations or processor hardware diff --git a/tools/power/cpupower/man/cpupower-set.1 b/tools/power/cpupower/man/cpupower-set.1 index 9dbd536518a..2bcc696f449 100644 --- a/tools/power/cpupower/man/cpupower-set.1 +++ b/tools/power/cpupower/man/cpupower-set.1 @@ -3,7 +3,7 @@ cpupower\-set \- Set processor power related kernel or hardware configurations .SH SYNOPSIS .ft B -.B cpupower set [ \-b VAL ] [ \-s VAL ] [ \-m VAL ] +.B cpupower set [ \-b VAL ] .SH DESCRIPTION @@ -55,35 +55,6 @@ Use \fBcpupower -c all info -b\fP to verify. This options needs the msr kernel driver (CONFIG_X86_MSR) loaded. .RE -.PP -\-\-sched\-mc, \-m [ VAL ] -.RE -\-\-sched\-smt, \-s [ VAL ] -.RS 4 -\-\-sched\-mc utilizes cores in one processor package/socket first before -processes are scheduled to other processor packages/sockets. - -\-\-sched\-smt utilizes thread siblings of one processor core first before -processes are scheduled to other cores. - -The impact on power consumption and performance (positiv or negativ) heavily -depends on processor support for deep sleep states, frequency scaling and -frequency boost modes and their dependencies between other thread siblings -and processor cores. - -Taken over from kernel documentation: - -Adjust the kernel's multi-core scheduler support. - -Possible values are: -.RS 2 -0 - No power saving load balance (default value) - -1 - Fill one thread/core/package first for long running threads - -2 - Also bias task wakeups to semi-idle cpu package for power -savings -.RE .SH "SEE ALSO" cpupower-info(1), cpupower-monitor(1), powertop(1) diff --git a/tools/power/cpupower/utils/cpufreq-info.c b/tools/power/cpupower/utils/cpufreq-info.c index 28953c9a7bd..b4b90a97662 100644 --- a/tools/power/cpupower/utils/cpufreq-info.c +++ b/tools/power/cpupower/utils/cpufreq-info.c @@ -82,29 +82,42 @@ static void proc_cpufreq_output(void) } } +static int no_rounding; static void print_speed(unsigned long speed) { unsigned long tmp; - if (speed > 1000000) { - tmp = speed % 10000; - if (tmp >= 5000) - speed += 10000; - printf("%u.%02u GHz", ((unsigned int) speed/1000000), - ((unsigned int) (speed%1000000)/10000)); - } else if (speed > 100000) { - tmp = speed % 1000; - if (tmp >= 500) - speed += 1000; - printf("%u MHz", ((unsigned int) speed / 1000)); - } else if (speed > 1000) { - tmp = speed % 100; - if (tmp >= 50) - speed += 100; - printf("%u.%01u MHz", ((unsigned int) speed/1000), - ((unsigned int) (speed%1000)/100)); - } else - printf("%lu kHz", speed); + if (no_rounding) { + if (speed > 1000000) + printf("%u.%06u GHz", ((unsigned int) speed/1000000), + ((unsigned int) speed%1000000)); + else if (speed > 100000) + printf("%u MHz", (unsigned int) speed); + else if (speed > 1000) + printf("%u.%03u MHz", ((unsigned int) speed/1000), + (unsigned int) (speed%1000)); + else + printf("%lu kHz", speed); + } else { + if (speed > 1000000) { + tmp = speed%10000; + if (tmp >= 5000) + speed += 10000; + printf("%u.%02u GHz", ((unsigned int) speed/1000000), + ((unsigned int) (speed%1000000)/10000)); + } else if (speed > 100000) { + tmp = speed%1000; + if (tmp >= 500) + speed += 1000; + printf("%u MHz", ((unsigned int) speed/1000)); + } else if (speed > 1000) { + tmp = speed%100; + if (tmp >= 50) + speed += 100; + printf("%u.%01u MHz", ((unsigned int) speed/1000), + ((unsigned int) (speed%1000)/100)); + } + } return; } @@ -113,26 +126,38 @@ static void print_duration(unsigned long duration) { unsigned long tmp; - if (duration > 1000000) { - tmp = duration % 10000; - if (tmp >= 5000) - duration += 10000; - printf("%u.%02u ms", ((unsigned int) duration/1000000), - ((unsigned int) (duration%1000000)/10000)); - } else if (duration > 100000) { - tmp = duration % 1000; - if (tmp >= 500) - duration += 1000; - printf("%u us", ((unsigned int) duration / 1000)); - } else if (duration > 1000) { - tmp = duration % 100; - if (tmp >= 50) - duration += 100; - printf("%u.%01u us", ((unsigned int) duration/1000), - ((unsigned int) (duration%1000)/100)); - } else - printf("%lu ns", duration); - + if (no_rounding) { + if (duration > 1000000) + printf("%u.%06u ms", ((unsigned int) duration/1000000), + ((unsigned int) duration%1000000)); + else if (duration > 100000) + printf("%u us", ((unsigned int) duration/1000)); + else if (duration > 1000) + printf("%u.%03u us", ((unsigned int) duration/1000), + ((unsigned int) duration%1000)); + else + printf("%lu ns", duration); + } else { + if (duration > 1000000) { + tmp = duration%10000; + if (tmp >= 5000) + duration += 10000; + printf("%u.%02u ms", ((unsigned int) duration/1000000), + ((unsigned int) (duration%1000000)/10000)); + } else if (duration > 100000) { + tmp = duration%1000; + if (tmp >= 500) + duration += 1000; + printf("%u us", ((unsigned int) duration / 1000)); + } else if (duration > 1000) { + tmp = duration%100; + if (tmp >= 50) + duration += 100; + printf("%u.%01u us", ((unsigned int) duration/1000), + ((unsigned int) (duration%1000)/100)); + } else + printf("%lu ns", duration); + } return; } @@ -525,6 +550,7 @@ static struct option info_opts[] = { { .name = "latency", .has_arg = no_argument, .flag = NULL, .val = 'y'}, { .name = "proc", .has_arg = no_argument, .flag = NULL, .val = 'o'}, { .name = "human", .has_arg = no_argument, .flag = NULL, .val = 'm'}, + { .name = "no-rounding", .has_arg = no_argument, .flag = NULL, .val = 'n'}, { }, }; @@ -538,7 +564,8 @@ int cmd_freq_info(int argc, char **argv) int output_param = 0; do { - ret = getopt_long(argc, argv, "oefwldpgrasmyb", info_opts, NULL); + ret = getopt_long(argc, argv, "oefwldpgrasmybn", info_opts, + NULL); switch (ret) { case '?': output_param = '?'; @@ -575,6 +602,9 @@ int cmd_freq_info(int argc, char **argv) } human = 1; break; + case 'n': + no_rounding = 1; + break; default: fprintf(stderr, "invalid or unknown argument\n"); return EXIT_FAILURE; diff --git a/tools/power/cpupower/utils/cpuidle-set.c b/tools/power/cpupower/utils/cpuidle-set.c index c78141c5dfa..d45d8d775c0 100644 --- a/tools/power/cpupower/utils/cpuidle-set.c +++ b/tools/power/cpupower/utils/cpuidle-set.c @@ -13,8 +13,14 @@ #include "helpers/sysfs.h" static struct option info_opts[] = { - { .name = "disable", .has_arg = required_argument, .flag = NULL, .val = 'd'}, - { .name = "enable", .has_arg = required_argument, .flag = NULL, .val = 'e'}, + { .name = "disable", + .has_arg = required_argument, .flag = NULL, .val = 'd'}, + { .name = "enable", + .has_arg = required_argument, .flag = NULL, .val = 'e'}, + { .name = "disable-by-latency", + .has_arg = required_argument, .flag = NULL, .val = 'D'}, + { .name = "enable-all", + .has_arg = no_argument, .flag = NULL, .val = 'E'}, { }, }; @@ -23,11 +29,13 @@ int cmd_idle_set(int argc, char **argv) { extern char *optarg; extern int optind, opterr, optopt; - int ret = 0, cont = 1, param = 0, idlestate = 0; - unsigned int cpu = 0; + int ret = 0, cont = 1, param = 0, disabled; + unsigned long long latency = 0, state_latency; + unsigned int cpu = 0, idlestate = 0, idlestates = 0; + char *endptr; do { - ret = getopt_long(argc, argv, "d:e:", info_opts, NULL); + ret = getopt_long(argc, argv, "d:e:ED:", info_opts, NULL); if (ret == -1) break; switch (ret) { @@ -53,6 +61,27 @@ int cmd_idle_set(int argc, char **argv) param = ret; idlestate = atoi(optarg); break; + case 'D': + if (param) { + param = -1; + cont = 0; + break; + } + param = ret; + latency = strtoull(optarg, &endptr, 10); + if (*endptr != '\0') { + printf(_("Bad latency value: %s\n"), optarg); + exit(EXIT_FAILURE); + } + break; + case 'E': + if (param) { + param = -1; + cont = 0; + break; + } + param = ret; + break; case -1: cont = 0; break; @@ -79,8 +108,14 @@ int cmd_idle_set(int argc, char **argv) if (!bitmask_isbitset(cpus_chosen, cpu)) continue; - switch (param) { + if (sysfs_is_cpu_online(cpu) != 1) + continue; + + idlestates = sysfs_get_idlestate_count(cpu); + if (idlestates <= 0) + continue; + switch (param) { case 'd': ret = sysfs_idlestate_disable(cpu, idlestate, 1); if (ret == 0) @@ -107,6 +142,34 @@ int cmd_idle_set(int argc, char **argv) printf(_("Idlestate %u not enabled on CPU %u\n"), idlestate, cpu); break; + case 'D': + for (idlestate = 0; idlestate < idlestates; idlestate++) { + disabled = sysfs_is_idlestate_disabled + (cpu, idlestate); + state_latency = sysfs_get_idlestate_latency + (cpu, idlestate); + printf("CPU: %u - idlestate %u - state_latency: %llu - latency: %llu\n", + cpu, idlestate, state_latency, latency); + if (disabled == 1 || latency > state_latency) + continue; + ret = sysfs_idlestate_disable + (cpu, idlestate, 1); + if (ret == 0) + printf(_("Idlestate %u disabled on CPU %u\n"), idlestate, cpu); + } + break; + case 'E': + for (idlestate = 0; idlestate < idlestates; idlestate++) { + disabled = sysfs_is_idlestate_disabled + (cpu, idlestate); + if (disabled == 1) { + ret = sysfs_idlestate_disable + (cpu, idlestate, 0); + if (ret == 0) + printf(_("Idlestate %u enabled on CPU %u\n"), idlestate, cpu); + } + } + break; default: /* Not reachable with proper args checking */ printf(_("Invalid or unknown argument\n")); diff --git a/tools/power/cpupower/utils/cpupower-info.c b/tools/power/cpupower/utils/cpupower-info.c index 3f68632c28c..136d979e958 100644 --- a/tools/power/cpupower/utils/cpupower-info.c +++ b/tools/power/cpupower/utils/cpupower-info.c @@ -18,8 +18,6 @@ static struct option set_opts[] = { { .name = "perf-bias", .has_arg = optional_argument, .flag = NULL, .val = 'b'}, - { .name = "sched-mc", .has_arg = optional_argument, .flag = NULL, .val = 'm'}, - { .name = "sched-smt", .has_arg = optional_argument, .flag = NULL, .val = 's'}, { }, }; @@ -37,8 +35,6 @@ int cmd_info(int argc, char **argv) union { struct { - int sched_mc:1; - int sched_smt:1; int perf_bias:1; }; int params; @@ -49,23 +45,13 @@ int cmd_info(int argc, char **argv) textdomain(PACKAGE); /* parameter parsing */ - while ((ret = getopt_long(argc, argv, "msb", set_opts, NULL)) != -1) { + while ((ret = getopt_long(argc, argv, "b", set_opts, NULL)) != -1) { switch (ret) { case 'b': if (params.perf_bias) print_wrong_arg_exit(); params.perf_bias = 1; break; - case 'm': - if (params.sched_mc) - print_wrong_arg_exit(); - params.sched_mc = 1; - break; - case 's': - if (params.sched_smt) - print_wrong_arg_exit(); - params.sched_smt = 1; - break; default: print_wrong_arg_exit(); } @@ -78,25 +64,6 @@ int cmd_info(int argc, char **argv) if (bitmask_isallclear(cpus_chosen)) bitmask_setbit(cpus_chosen, 0); - if (params.sched_mc) { - ret = sysfs_get_sched("mc"); - printf(_("System's multi core scheduler setting: ")); - if (ret < 0) - /* if sysfs file is missing it's: errno == ENOENT */ - printf(_("not supported\n")); - else - printf("%d\n", ret); - } - if (params.sched_smt) { - ret = sysfs_get_sched("smt"); - printf(_("System's thread sibling scheduler setting: ")); - if (ret < 0) - /* if sysfs file is missing it's: errno == ENOENT */ - printf(_("not supported\n")); - else - printf("%d\n", ret); - } - /* Add more per cpu options here */ if (!params.perf_bias) return ret; @@ -125,11 +92,12 @@ int cmd_info(int argc, char **argv) if (params.perf_bias) { ret = msr_intel_get_perf_bias(cpu); if (ret < 0) { - printf(_("Could not read perf-bias value\n")); - break; + fprintf(stderr, + _("Could not read perf-bias value[%d]\n"), ret); + exit(EXIT_FAILURE); } else printf(_("perf-bias: %d\n"), ret); } } - return ret; + return 0; } diff --git a/tools/power/cpupower/utils/cpupower-set.c b/tools/power/cpupower/utils/cpupower-set.c index bcf1d2f0b79..573c75f8e3f 100644 --- a/tools/power/cpupower/utils/cpupower-set.c +++ b/tools/power/cpupower/utils/cpupower-set.c @@ -19,8 +19,6 @@ static struct option set_opts[] = { { .name = "perf-bias", .has_arg = required_argument, .flag = NULL, .val = 'b'}, - { .name = "sched-mc", .has_arg = required_argument, .flag = NULL, .val = 'm'}, - { .name = "sched-smt", .has_arg = required_argument, .flag = NULL, .val = 's'}, { }, }; @@ -38,13 +36,11 @@ int cmd_set(int argc, char **argv) union { struct { - int sched_mc:1; - int sched_smt:1; int perf_bias:1; }; int params; } params; - int sched_mc = 0, sched_smt = 0, perf_bias = 0; + int perf_bias = 0; int ret = 0; setlocale(LC_ALL, ""); @@ -52,7 +48,7 @@ int cmd_set(int argc, char **argv) params.params = 0; /* parameter parsing */ - while ((ret = getopt_long(argc, argv, "m:s:b:", + while ((ret = getopt_long(argc, argv, "b:", set_opts, NULL)) != -1) { switch (ret) { case 'b': @@ -66,28 +62,6 @@ int cmd_set(int argc, char **argv) } params.perf_bias = 1; break; - case 'm': - if (params.sched_mc) - print_wrong_arg_exit(); - sched_mc = atoi(optarg); - if (sched_mc < 0 || sched_mc > 2) { - printf(_("--sched-mc param out " - "of range [0-%d]\n"), 2); - print_wrong_arg_exit(); - } - params.sched_mc = 1; - break; - case 's': - if (params.sched_smt) - print_wrong_arg_exit(); - sched_smt = atoi(optarg); - if (sched_smt < 0 || sched_smt > 2) { - printf(_("--sched-smt param out " - "of range [0-%d]\n"), 2); - print_wrong_arg_exit(); - } - params.sched_smt = 1; - break; default: print_wrong_arg_exit(); } @@ -96,19 +70,6 @@ int cmd_set(int argc, char **argv) if (!params.params) print_wrong_arg_exit(); - if (params.sched_mc) { - ret = sysfs_set_sched("mc", sched_mc); - if (ret) - fprintf(stderr, _("Error setting sched-mc %s\n"), - (ret == -ENODEV) ? "not supported" : ""); - } - if (params.sched_smt) { - ret = sysfs_set_sched("smt", sched_smt); - if (ret) - fprintf(stderr, _("Error setting sched-smt %s\n"), - (ret == -ENODEV) ? "not supported" : ""); - } - /* Default is: set all CPUs */ if (bitmask_isallclear(cpus_chosen)) bitmask_setall(cpus_chosen); diff --git a/tools/power/cpupower/utils/cpupower.c b/tools/power/cpupower/utils/cpupower.c index 7efc570ffba..7cdcf88659c 100644 --- a/tools/power/cpupower/utils/cpupower.c +++ b/tools/power/cpupower/utils/cpupower.c @@ -12,6 +12,9 @@ #include <string.h> #include <unistd.h> #include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/utsname.h> #include "builtin.h" #include "helpers/helpers.h" @@ -169,6 +172,8 @@ int main(int argc, const char *argv[]) { const char *cmd; unsigned int i, ret; + struct stat statbuf; + struct utsname uts; cpus_chosen = bitmask_alloc(sysconf(_SC_NPROCESSORS_CONF)); @@ -195,6 +200,15 @@ int main(int argc, const char *argv[]) get_cpu_info(0, &cpupower_cpu_info); run_as_root = !getuid(); + if (run_as_root) { + ret = uname(&uts); + if (!ret && !strcmp(uts.machine, "x86_64") && + stat("/dev/cpu/0/msr", &statbuf) != 0) { + if (system("modprobe msr") == -1) + fprintf(stderr, _("MSR access not available.\n")); + } + } + for (i = 0; i < ARRAY_SIZE(commands); i++) { struct cmd_struct *p = commands + i; diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 7c9d8e71eb9..d0396af99fa 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -1971,13 +1971,13 @@ int set_temperature_target(struct thread_data *t, struct core_data *c, struct pk if (get_msr(0, MSR_IA32_TEMPERATURE_TARGET, &msr)) goto guess; - target_c_local = (msr >> 16) & 0x7F; + 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 < 85 || target_c_local > 127) + if (!target_c_local) goto guess; tcc_activation_temp = target_c_local; |