diff options
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/event.h | 1 | ||||
-rw-r--r-- | tools/perf/util/evsel.c | 10 | ||||
-rw-r--r-- | tools/perf/util/hist.c | 23 | ||||
-rw-r--r-- | tools/perf/util/hist.h | 8 | ||||
-rw-r--r-- | tools/perf/util/session.c | 3 | ||||
-rw-r--r-- | tools/perf/util/sort.c | 45 | ||||
-rw-r--r-- | tools/perf/util/sort.h | 3 |
7 files changed, 84 insertions, 9 deletions
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 0d573ff..a97fbbe 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -88,6 +88,7 @@ struct perf_sample { u64 id; u64 stream_id; u64 period; + u64 weight; u32 cpu; u32 raw_size; void *raw_data; diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 1adb824..23061a6 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -563,6 +563,9 @@ void perf_evsel__config(struct perf_evsel *evsel, attr->branch_sample_type = opts->branch_stack; } + if (opts->sample_weight) + attr->sample_type |= PERF_SAMPLE_WEIGHT; + attr->mmap = track; attr->comm = track; @@ -1017,6 +1020,7 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event, data->cpu = data->pid = data->tid = -1; data->stream_id = data->id = data->time = -1ULL; data->period = 1; + data->weight = 0; if (event->header.type != PERF_RECORD_SAMPLE) { if (!evsel->attr.sample_id_all) @@ -1167,6 +1171,12 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event, } } + data->weight = 0; + if (type & PERF_SAMPLE_WEIGHT) { + data->weight = *array; + array++; + } + return 0; } diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index f855941..97ddd18 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -155,9 +155,11 @@ static void hist_entry__add_cpumode_period(struct hist_entry *he, } } -static void he_stat__add_period(struct he_stat *he_stat, u64 period) +static void he_stat__add_period(struct he_stat *he_stat, u64 period, + u64 weight) { he_stat->period += period; + he_stat->weight += weight; he_stat->nr_events += 1; } @@ -169,12 +171,14 @@ static void he_stat__add_stat(struct he_stat *dest, struct he_stat *src) dest->period_guest_sys += src->period_guest_sys; dest->period_guest_us += src->period_guest_us; dest->nr_events += src->nr_events; + dest->weight += src->weight; } static void hist_entry__decay(struct hist_entry *he) { he->stat.period = (he->stat.period * 7) / 8; he->stat.nr_events = (he->stat.nr_events * 7) / 8; + /* XXX need decay for weight too? */ } static bool hists__decay_entry(struct hists *hists, struct hist_entry *he) @@ -282,7 +286,8 @@ static u8 symbol__parent_filter(const struct symbol *parent) static struct hist_entry *add_hist_entry(struct hists *hists, struct hist_entry *entry, struct addr_location *al, - u64 period) + u64 period, + u64 weight) { struct rb_node **p; struct rb_node *parent = NULL; @@ -306,7 +311,7 @@ static struct hist_entry *add_hist_entry(struct hists *hists, cmp = hist_entry__cmp(he, entry); if (!cmp) { - he_stat__add_period(&he->stat, period); + he_stat__add_period(&he->stat, period, weight); /* If the map of an existing hist_entry has * become out-of-date due to an exec() or @@ -345,7 +350,8 @@ struct hist_entry *__hists__add_branch_entry(struct hists *self, struct addr_location *al, struct symbol *sym_parent, struct branch_info *bi, - u64 period) + u64 period, + u64 weight) { struct hist_entry entry = { .thread = al->thread, @@ -359,6 +365,7 @@ struct hist_entry *__hists__add_branch_entry(struct hists *self, .stat = { .period = period, .nr_events = 1, + .weight = weight, }, .parent = sym_parent, .filtered = symbol__parent_filter(sym_parent), @@ -366,12 +373,13 @@ struct hist_entry *__hists__add_branch_entry(struct hists *self, .hists = self, }; - return add_hist_entry(self, &entry, al, period); + return add_hist_entry(self, &entry, al, period, weight); } struct hist_entry *__hists__add_entry(struct hists *self, struct addr_location *al, - struct symbol *sym_parent, u64 period) + struct symbol *sym_parent, u64 period, + u64 weight) { struct hist_entry entry = { .thread = al->thread, @@ -385,13 +393,14 @@ struct hist_entry *__hists__add_entry(struct hists *self, .stat = { .period = period, .nr_events = 1, + .weight = weight, }, .parent = sym_parent, .filtered = symbol__parent_filter(sym_parent), .hists = self, }; - return add_hist_entry(self, &entry, al, period); + return add_hist_entry(self, &entry, al, period, weight); } int64_t diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 8483313..121cc14 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -49,6 +49,8 @@ enum hist_column { HISTC_DSO_FROM, HISTC_DSO_TO, HISTC_SRCLINE, + HISTC_LOCAL_WEIGHT, + HISTC_GLOBAL_WEIGHT, HISTC_NR_COLS, /* Last entry */ }; @@ -73,7 +75,8 @@ struct hists { struct hist_entry *__hists__add_entry(struct hists *self, struct addr_location *al, - struct symbol *parent, u64 period); + struct symbol *parent, u64 period, + u64 weight); int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right); int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right); int hist_entry__sort_snprintf(struct hist_entry *self, char *bf, size_t size, @@ -84,7 +87,8 @@ struct hist_entry *__hists__add_branch_entry(struct hists *self, struct addr_location *al, struct symbol *sym_parent, struct branch_info *bi, - u64 period); + u64 period, + u64 weight); void hists__output_resort(struct hists *self); void hists__output_resort_threaded(struct hists *hists); diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index c8ba120..627be09 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -798,6 +798,9 @@ static void dump_sample(struct perf_evsel *evsel, union perf_event *event, if (sample_type & PERF_SAMPLE_STACK_USER) stack_user__printf(&sample->user_stack); + + if (sample_type & PERF_SAMPLE_WEIGHT) + printf("... weight: %" PRIu64 "\n", sample->weight); } static struct machine * diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index d41926c..d66bcd3 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -464,6 +464,49 @@ struct sort_entry sort_mispredict = { .se_width_idx = HISTC_MISPREDICT, }; +static u64 he_weight(struct hist_entry *he) +{ + return he->stat.nr_events ? he->stat.weight / he->stat.nr_events : 0; +} + +static int64_t +sort__local_weight_cmp(struct hist_entry *left, struct hist_entry *right) +{ + return he_weight(left) - he_weight(right); +} + +static int hist_entry__local_weight_snprintf(struct hist_entry *self, char *bf, + size_t size, unsigned int width) +{ + return repsep_snprintf(bf, size, "%-*llu", width, he_weight(self)); +} + +struct sort_entry sort_local_weight = { + .se_header = "Local Weight", + .se_cmp = sort__local_weight_cmp, + .se_snprintf = hist_entry__local_weight_snprintf, + .se_width_idx = HISTC_LOCAL_WEIGHT, +}; + +static int64_t +sort__global_weight_cmp(struct hist_entry *left, struct hist_entry *right) +{ + return left->stat.weight - right->stat.weight; +} + +static int hist_entry__global_weight_snprintf(struct hist_entry *self, char *bf, + size_t size, unsigned int width) +{ + return repsep_snprintf(bf, size, "%-*llu", width, self->stat.weight); +} + +struct sort_entry sort_global_weight = { + .se_header = "Weight", + .se_cmp = sort__global_weight_cmp, + .se_snprintf = hist_entry__global_weight_snprintf, + .se_width_idx = HISTC_GLOBAL_WEIGHT, +}; + struct sort_dimension { const char *name; struct sort_entry *entry; @@ -480,6 +523,8 @@ static struct sort_dimension common_sort_dimensions[] = { DIM(SORT_PARENT, "parent", sort_parent), DIM(SORT_CPU, "cpu", sort_cpu), DIM(SORT_SRCLINE, "srcline", sort_srcline), + DIM(SORT_LOCAL_WEIGHT, "local_weight", sort_local_weight), + DIM(SORT_GLOBAL_WEIGHT, "weight", sort_global_weight), }; #undef DIM diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index b13e56f..3939250 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -49,6 +49,7 @@ struct he_stat { u64 period_us; u64 period_guest_sys; u64 period_guest_us; + u64 weight; u32 nr_events; }; @@ -130,6 +131,8 @@ enum sort_type { SORT_PARENT, SORT_CPU, SORT_SRCLINE, + SORT_LOCAL_WEIGHT, + SORT_GLOBAL_WEIGHT, /* branch stack specific sort keys */ __SORT_BRANCH_STACK, |