diff options
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/cpumap.c | 59 | ||||
-rw-r--r-- | tools/perf/util/cpumap.h | 7 | ||||
-rw-r--r-- | tools/perf/util/event.h | 9 | ||||
-rw-r--r-- | tools/perf/util/hist.c | 50 | ||||
-rw-r--r-- | tools/perf/util/hist.h | 12 | ||||
-rw-r--r-- | tools/perf/util/probe-event.c | 4 | ||||
-rw-r--r-- | tools/perf/util/probe-finder.c | 20 | ||||
-rw-r--r-- | tools/perf/util/probe-finder.h | 1 | ||||
-rw-r--r-- | tools/perf/util/scripting-engines/trace-event-python.c | 17 | ||||
-rw-r--r-- | tools/perf/util/session.c | 1 | ||||
-rw-r--r-- | tools/perf/util/session.h | 1 | ||||
-rw-r--r-- | tools/perf/util/symbol.c | 18 | ||||
-rw-r--r-- | tools/perf/util/symbol.h | 3 | ||||
-rw-r--r-- | tools/perf/util/thread.c | 41 | ||||
-rw-r--r-- | tools/perf/util/thread.h | 3 |
15 files changed, 187 insertions, 59 deletions
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c new file mode 100644 index 00000000000..4e01490e51e --- /dev/null +++ b/tools/perf/util/cpumap.c @@ -0,0 +1,59 @@ +#include "util.h" +#include "../perf.h" +#include "cpumap.h" +#include <assert.h> +#include <stdio.h> + +int cpumap[MAX_NR_CPUS]; + +static int default_cpu_map(void) +{ + int nr_cpus, i; + + nr_cpus = sysconf(_SC_NPROCESSORS_ONLN); + assert(nr_cpus <= MAX_NR_CPUS); + assert((int)nr_cpus >= 0); + + for (i = 0; i < nr_cpus; ++i) + cpumap[i] = i; + + return nr_cpus; +} + +int read_cpu_map(void) +{ + FILE *onlnf; + int nr_cpus = 0; + int n, cpu, prev; + char sep; + + onlnf = fopen("/sys/devices/system/cpu/online", "r"); + if (!onlnf) + return default_cpu_map(); + + sep = 0; + prev = -1; + for (;;) { + n = fscanf(onlnf, "%u%c", &cpu, &sep); + if (n <= 0) + break; + if (prev >= 0) { + assert(nr_cpus + cpu - prev - 1 < MAX_NR_CPUS); + while (++prev < cpu) + cpumap[nr_cpus++] = prev; + } + assert (nr_cpus < MAX_NR_CPUS); + cpumap[nr_cpus++] = cpu; + if (n == 2 && sep == '-') + prev = cpu; + else + prev = -1; + if (n == 1 || sep == '\n') + break; + } + fclose(onlnf); + if (nr_cpus > 0) + return nr_cpus; + + return default_cpu_map(); +} diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h new file mode 100644 index 00000000000..86c78bb3309 --- /dev/null +++ b/tools/perf/util/cpumap.h @@ -0,0 +1,7 @@ +#ifndef __PERF_CPUMAP_H +#define __PERF_CPUMAP_H + +extern int read_cpu_map(void); +extern int cpumap[]; + +#endif /* __PERF_CPUMAP_H */ diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 50a7132887f..a33b94952e3 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -99,6 +99,15 @@ struct events_stats { u64 lost; }; +struct event_stat_id { + struct rb_node rb_node; + struct rb_root hists; + struct events_stats stats; + u64 config; + u64 event_stream; + u32 type; +}; + void event__print_totals(void); struct perf_session; diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 44408c2621c..2be33c7dbf0 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -12,12 +12,12 @@ struct callchain_param callchain_param = { * histogram, sorted on item, collects counts */ -struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self, +struct hist_entry *__perf_session__add_hist_entry(struct rb_root *hists, struct addr_location *al, struct symbol *sym_parent, u64 count, bool *hit) { - struct rb_node **p = &self->hists.rb_node; + struct rb_node **p = &hists->rb_node; struct rb_node *parent = NULL; struct hist_entry *he; struct hist_entry entry = { @@ -53,7 +53,7 @@ struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self, return NULL; *he = entry; rb_link_node(&he->rb_node, parent, p); - rb_insert_color(&he->rb_node, &self->hists); + rb_insert_color(&he->rb_node, hists); *hit = false; return he; } @@ -130,7 +130,7 @@ static void collapse__insert_entry(struct rb_root *root, struct hist_entry *he) rb_insert_color(&he->rb_node, root); } -void perf_session__collapse_resort(struct perf_session *self) +void perf_session__collapse_resort(struct rb_root *hists) { struct rb_root tmp; struct rb_node *next; @@ -140,17 +140,17 @@ void perf_session__collapse_resort(struct perf_session *self) return; tmp = RB_ROOT; - next = rb_first(&self->hists); + next = rb_first(hists); while (next) { n = rb_entry(next, struct hist_entry, rb_node); next = rb_next(&n->rb_node); - rb_erase(&n->rb_node, &self->hists); + rb_erase(&n->rb_node, hists); collapse__insert_entry(&tmp, n); } - self->hists = tmp; + *hists = tmp; } /* @@ -183,7 +183,7 @@ static void perf_session__insert_output_hist_entry(struct rb_root *root, rb_insert_color(&he->rb_node, root); } -void perf_session__output_resort(struct perf_session *self, u64 total_samples) +void perf_session__output_resort(struct rb_root *hists, u64 total_samples) { struct rb_root tmp; struct rb_node *next; @@ -194,18 +194,18 @@ void perf_session__output_resort(struct perf_session *self, u64 total_samples) total_samples * (callchain_param.min_percent / 100); tmp = RB_ROOT; - next = rb_first(&self->hists); + next = rb_first(hists); while (next) { n = rb_entry(next, struct hist_entry, rb_node); next = rb_next(&n->rb_node); - rb_erase(&n->rb_node, &self->hists); + rb_erase(&n->rb_node, hists); perf_session__insert_output_hist_entry(&tmp, n, min_callchain_hits); } - self->hists = tmp; + *hists = tmp; } static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin) @@ -456,10 +456,10 @@ static size_t hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self, } static size_t hist_entry__fprintf(struct hist_entry *self, - struct perf_session *session, struct perf_session *pair_session, bool show_displacement, - long displacement, FILE *fp) + long displacement, FILE *fp, + u64 session_total) { struct sort_entry *se; u64 count, total; @@ -474,7 +474,7 @@ static size_t hist_entry__fprintf(struct hist_entry *self, total = pair_session->events_stats.total; } else { count = self->count; - total = session->events_stats.total; + total = session_total; } if (total) @@ -496,8 +496,8 @@ static size_t hist_entry__fprintf(struct hist_entry *self, if (total > 0) old_percent = (count * 100.0) / total; - if (session->events_stats.total > 0) - new_percent = (self->count * 100.0) / session->events_stats.total; + if (session_total > 0) + new_percent = (self->count * 100.0) / session_total; diff = new_percent - old_percent; @@ -544,16 +544,17 @@ static size_t hist_entry__fprintf(struct hist_entry *self, left_margin -= thread__comm_len(self->thread); } - hist_entry_callchain__fprintf(fp, self, session->events_stats.total, + hist_entry_callchain__fprintf(fp, self, session_total, left_margin); } return ret; } -size_t perf_session__fprintf_hists(struct perf_session *self, +size_t perf_session__fprintf_hists(struct rb_root *hists, struct perf_session *pair, - bool show_displacement, FILE *fp) + bool show_displacement, FILE *fp, + u64 session_total) { struct sort_entry *se; struct rb_node *nd; @@ -641,7 +642,7 @@ size_t perf_session__fprintf_hists(struct perf_session *self, fprintf(fp, "\n#\n"); print_entries: - for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) { + for (nd = rb_first(hists); nd; nd = rb_next(nd)) { struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); if (show_displacement) { @@ -652,8 +653,13 @@ print_entries: displacement = 0; ++position; } - ret += hist_entry__fprintf(h, self, pair, show_displacement, - displacement, fp); + ret += hist_entry__fprintf(h, pair, show_displacement, + displacement, fp, session_total); + if (h->map == NULL && verbose > 1) { + __map_groups__fprintf_maps(&h->thread->mg, + MAP__FUNCTION, fp); + fprintf(fp, "%.10s end\n", graph_dotted_line); + } } free(rem_sq_bracket); diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index e5f99b24048..16f360cce5b 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -10,8 +10,9 @@ struct perf_session; struct hist_entry; struct addr_location; struct symbol; +struct rb_root; -struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self, +struct hist_entry *__perf_session__add_hist_entry(struct rb_root *hists, struct addr_location *al, struct symbol *parent, u64 count, bool *hit); @@ -19,9 +20,10 @@ extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *); extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *); void hist_entry__free(struct hist_entry *); -void perf_session__output_resort(struct perf_session *self, u64 total_samples); -void perf_session__collapse_resort(struct perf_session *self); -size_t perf_session__fprintf_hists(struct perf_session *self, +void perf_session__output_resort(struct rb_root *hists, u64 total_samples); +void perf_session__collapse_resort(struct rb_root *hists); +size_t perf_session__fprintf_hists(struct rb_root *hists, struct perf_session *pair, - bool show_displacement, FILE *fp); + bool show_displacement, FILE *fp, + u64 session_total); #endif /* __PERF_HIST_H */ diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index c971e81e9cb..7c004b6ef24 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -242,7 +242,7 @@ void parse_perf_probe_event(const char *str, struct probe_point *pp, /* Parse probe point */ parse_perf_probe_probepoint(argv[0], pp); - if (pp->file || pp->line) + if (pp->file || pp->line || pp->lazy_line) *need_dwarf = true; /* Copy arguments and ensure return probe has no C argument */ @@ -508,8 +508,8 @@ void show_perf_probe_events(void) struct str_node *ent; setup_pager(); - memset(&pp, 0, sizeof(pp)); + fd = open_kprobe_events(O_RDONLY, 0); rawlist = get_trace_kprobe_event_rawlist(fd); close(fd); diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index e77dc886760..c171a243d05 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -169,7 +169,7 @@ static const char *cu_find_realpath(Dwarf_Die *cu_die, const char *fname) { Dwarf_Files *files; size_t nfiles, i; - const char *src; + const char *src = NULL; int ret; if (!fname) @@ -333,8 +333,8 @@ static void show_location(Dwarf_Op *op, struct probe_finder *pf) die("%u exceeds max register number.", regn); if (deref) - ret = snprintf(pf->buf, pf->len, " %s=+%ju(%s)", - pf->var, (uintmax_t)offs, regs); + ret = snprintf(pf->buf, pf->len, " %s=%+jd(%s)", + pf->var, (intmax_t)offs, regs); else ret = snprintf(pf->buf, pf->len, " %s=%s", pf->var, regs); DIE_IF(ret < 0); @@ -352,8 +352,7 @@ static void show_variable(Dwarf_Die *vr_die, struct probe_finder *pf) if (dwarf_attr(vr_die, DW_AT_location, &attr) == NULL) goto error; /* TODO: handle more than 1 exprs */ - ret = dwarf_getlocation_addr(&attr, (pf->addr - pf->cu_base), - &expr, &nexpr, 1); + ret = dwarf_getlocation_addr(&attr, pf->addr, &expr, &nexpr, 1); if (ret <= 0 || nexpr == 0) goto error; @@ -437,8 +436,7 @@ static void show_probe_point(Dwarf_Die *sp_die, struct probe_finder *pf) /* Get the frame base attribute/ops */ dwarf_attr(sp_die, DW_AT_frame_base, &fb_attr); - ret = dwarf_getlocation_addr(&fb_attr, (pf->addr - pf->cu_base), - &pf->fb_ops, &nops, 1); + ret = dwarf_getlocation_addr(&fb_attr, pf->addr, &pf->fb_ops, &nops, 1); if (ret <= 0 || nops == 0) pf->fb_ops = NULL; @@ -455,6 +453,9 @@ static void show_probe_point(Dwarf_Die *sp_die, struct probe_finder *pf) /* *pf->fb_ops will be cached in libdw. Don't free it. */ pf->fb_ops = NULL; + if (pp->found == MAX_PROBES) + die("Too many( > %d) probe point found.\n", MAX_PROBES); + pp->probes[pp->found] = strdup(tmp); pp->found++; } @@ -641,7 +642,6 @@ static void find_probe_point_by_func(struct probe_finder *pf) int find_probe_point(int fd, struct probe_point *pp) { struct probe_finder pf = {.pp = pp}; - int ret; Dwarf_Off off, noff; size_t cuhl; Dwarf_Die *diep; @@ -668,10 +668,6 @@ int find_probe_point(int fd, struct probe_point *pp) pf.fname = NULL; if (!pp->file || pf.fname) { - /* Save CU base address (for frame_base) */ - ret = dwarf_lowpc(&pf.cu_die, &pf.cu_base); - if (ret != 0) - pf.cu_base = 0; if (pp->function) find_probe_point_by_func(&pf); else if (pp->lazy_line) diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h index d1a651793ba..21f7354397b 100644 --- a/tools/perf/util/probe-finder.h +++ b/tools/perf/util/probe-finder.h @@ -71,7 +71,6 @@ struct probe_finder { /* For variable searching */ Dwarf_Op *fb_ops; /* Frame base attribute */ - Dwarf_Addr cu_base; /* Current CU base address */ const char *var; /* Current variable name */ char *buf; /* Current output buffer */ int len; /* Length of output buffer */ diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index 33a414bbba3..6a72f14c598 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -208,7 +208,7 @@ static void python_process_event(int cpu, void *data, int size __unused, unsigned long long nsecs, char *comm) { - PyObject *handler, *retval, *context, *t; + PyObject *handler, *retval, *context, *t, *obj; static char handler_name[256]; struct format_field *field; unsigned long long val; @@ -256,16 +256,23 @@ static void python_process_event(int cpu, void *data, offset &= 0xffff; } else offset = field->offset; - PyTuple_SetItem(t, n++, - PyString_FromString((char *)data + offset)); + obj = PyString_FromString((char *)data + offset); } else { /* FIELD_IS_NUMERIC */ val = read_size(data + field->offset, field->size); if (field->flags & FIELD_IS_SIGNED) { - PyTuple_SetItem(t, n++, PyInt_FromLong(val)); + if ((long long)val >= LONG_MIN && + (long long)val <= LONG_MAX) + obj = PyInt_FromLong(val); + else + obj = PyLong_FromLongLong(val); } else { - PyTuple_SetItem(t, n++, PyInt_FromLong(val)); + if (val <= LONG_MAX) + obj = PyInt_FromLong(val); + else + obj = PyLong_FromUnsignedLongLong(val); } } + PyTuple_SetItem(t, n++, obj); } if (_PyTuple_Resize(&t, n) == -1) diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 0de7258e70a..eed1cb88900 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -70,6 +70,7 @@ struct perf_session *perf_session__new(const char *filename, int mode, bool forc memcpy(self->filename, filename, len); self->threads = RB_ROOT; + self->stats_by_id = RB_ROOT; self->last_match = NULL; self->mmap_window = 32; self->cwd = NULL; diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index 31950fcd8a4..5c33417eebb 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -20,6 +20,7 @@ struct perf_session { struct thread *last_match; struct map *vmlinux_maps[MAP__NR_TYPES]; struct events_stats events_stats; + struct rb_root stats_by_id; unsigned long event_total[PERF_RECORD_MAX]; unsigned long unknown_events; struct rb_root hists; diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 323c0aea0a9..c458c4a371d 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -163,9 +163,17 @@ void dso__set_long_name(struct dso *self, char *name) self->long_name_len = strlen(name); } +static void dso__set_short_name(struct dso *self, const char *name) +{ + if (name == NULL) + return; + self->short_name = name; + self->short_name_len = strlen(name); +} + static void dso__set_basename(struct dso *self) { - self->short_name = basename(self->long_name); + dso__set_short_name(self, basename(self->long_name)); } struct dso *dso__new(const char *name) @@ -176,7 +184,7 @@ struct dso *dso__new(const char *name) int i; strcpy(self->name, name); dso__set_long_name(self, self->name); - self->short_name = self->name; + dso__set_short_name(self, self->name); for (i = 0; i < MAP__NR_TYPES; ++i) self->symbols[i] = self->symbol_names[i] = RB_ROOT; self->slen_calculated = 0; @@ -897,7 +905,6 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, struct kmap *kmap = self->kernel ? map__kmap(map) : NULL; struct map *curr_map = map; struct dso *curr_dso = self; - size_t dso_name_len = strlen(self->short_name); Elf_Data *symstrs, *secstrs; uint32_t nr_syms; int err = -1; @@ -987,7 +994,8 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, char dso_name[PATH_MAX]; if (strcmp(section_name, - curr_dso->short_name + dso_name_len) == 0) + (curr_dso->short_name + + self->short_name_len)) == 0) goto new_symbol; if (strcmp(section_name, ".text") == 0) { @@ -1782,7 +1790,7 @@ struct dso *dso__new_kernel(const char *name) struct dso *self = dso__new(name ?: "[kernel.kallsyms]"); if (self != NULL) { - self->short_name = "[kernel]"; + dso__set_short_name(self, "[kernel]"); self->kernel = 1; } diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 280dadd32a0..f30a3742891 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -110,9 +110,10 @@ struct dso { u8 sorted_by_name; u8 loaded; u8 build_id[BUILD_ID_SIZE]; - u16 long_name_len; const char *short_name; char *long_name; + u16 long_name_len; + u16 short_name_len; char name[0]; }; diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 21b92162282..fa968312ee7 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -79,8 +79,8 @@ int thread__comm_len(struct thread *self) return self->comm_len; } -static size_t __map_groups__fprintf_maps(struct map_groups *self, - enum map_type type, FILE *fp) +size_t __map_groups__fprintf_maps(struct map_groups *self, + enum map_type type, FILE *fp) { size_t printed = fprintf(fp, "%s:\n", map_type__name[type]); struct rb_node *nd; @@ -89,7 +89,7 @@ static size_t __map_groups__fprintf_maps(struct map_groups *self, struct map *pos = rb_entry(nd, struct map, rb_node); printed += fprintf(fp, "Map:"); printed += map__fprintf(pos, fp); - if (verbose > 1) { + if (verbose > 2) { printed += dso__fprintf(pos->dso, type, fp); printed += fprintf(fp, "--\n"); } @@ -183,8 +183,8 @@ struct thread *perf_session__findnew(struct perf_session *self, pid_t pid) return th; } -static void map_groups__remove_overlappings(struct map_groups *self, - struct map *map) +static int map_groups__fixup_overlappings(struct map_groups *self, + struct map *map) { struct rb_root *root = &self->maps[map->type]; struct rb_node *next = rb_first(root); @@ -209,7 +209,36 @@ static void map_groups__remove_overlappings(struct map_groups *self, * list. */ list_add_tail(&pos->node, &self->removed_maps[map->type]); + /* + * Now check if we need to create new maps for areas not + * overlapped by the new map: + */ + if (map->start > pos->start) { + struct map *before = map__clone(pos); + + if (before == NULL) + return -ENOMEM; + + before->end = map->start - 1; + map_groups__insert(self, before); + if (verbose >= 2) + map__fprintf(before, stderr); + } + + if (map->end < pos->end) { + struct map *after = map__clone(pos); + + if (after == NULL) + return -ENOMEM; + + after->start = map->end + 1; + map_groups__insert(self, after); + if (verbose >= 2) + map__fprintf(after, stderr); + } } + + return 0; } void maps__insert(struct rb_root *maps, struct map *map) @@ -254,7 +283,7 @@ struct map *maps__find(struct rb_root *maps, u64 ip) void thread__insert_map(struct thread *self, struct map *map) { - map_groups__remove_overlappings(&self->mg, map); + map_groups__fixup_overlappings(&self->mg, map); map_groups__insert(&self->mg, map); } diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index 0a28f39de54..dcf70303e58 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -10,6 +10,9 @@ struct map_groups { struct list_head removed_maps[MAP__NR_TYPES]; }; +size_t __map_groups__fprintf_maps(struct map_groups *self, + enum map_type type, FILE *fp); + struct thread { struct rb_node rb_node; struct map_groups mg; |