diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/builtin-diff.c | 60 | ||||
| -rw-r--r-- | tools/perf/util/evsel.c | 2 | ||||
| -rw-r--r-- | tools/perf/util/evsel.h | 2 | ||||
| -rw-r--r-- | tools/perf/util/hist.c | 8 | ||||
| -rw-r--r-- | tools/perf/util/session.c | 1 |
5 files changed, 43 insertions, 30 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 4f19513d7dd..d29d350fb2b 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -24,6 +24,11 @@ static char diff__default_sort_order[] = "dso,symbol"; static bool force; static bool show_displacement; +struct perf_diff { + struct perf_tool tool; + struct perf_session *session; +}; + static int hists__add_entry(struct hists *self, struct addr_location *al, u64 period) { @@ -32,12 +37,14 @@ static int hists__add_entry(struct hists *self, return -ENOMEM; } -static int diff__process_sample_event(struct perf_tool *tool __used, +static int diff__process_sample_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct perf_evsel *evsel __used, struct machine *machine) { + struct perf_diff *_diff = container_of(tool, struct perf_diff, tool); + struct perf_session *session = _diff->session; struct addr_location al; if (perf_event__preprocess_sample(event, machine, &al, sample, NULL) < 0) { @@ -49,24 +56,26 @@ static int diff__process_sample_event(struct perf_tool *tool __used, if (al.filtered || al.sym == NULL) return 0; - if (hists__add_entry(&evsel->hists, &al, sample->period)) { + if (hists__add_entry(&session->hists, &al, sample->period)) { pr_warning("problem incrementing symbol period, skipping event\n"); return -1; } - evsel->hists.stats.total_period += sample->period; + session->hists.stats.total_period += sample->period; return 0; } -static struct perf_tool perf_diff = { - .sample = diff__process_sample_event, - .mmap = perf_event__process_mmap, - .comm = perf_event__process_comm, - .exit = perf_event__process_task, - .fork = perf_event__process_task, - .lost = perf_event__process_lost, - .ordered_samples = true, - .ordering_requires_timestamps = true, +static struct perf_diff diff = { + .tool = { + .sample = diff__process_sample_event, + .mmap = perf_event__process_mmap, + .comm = perf_event__process_comm, + .exit = perf_event__process_task, + .fork = perf_event__process_task, + .lost = perf_event__process_lost, + .ordered_samples = true, + .ordering_requires_timestamps = true, + }, }; static void perf_session__insert_hist_entry_by_name(struct rb_root *root, @@ -107,12 +116,6 @@ static void hists__resort_entries(struct hists *self) self->entries = tmp; } -static void hists__set_positions(struct hists *self) -{ - hists__output_resort(self); - hists__resort_entries(self); -} - static struct hist_entry *hists__find_entry(struct hists *self, struct hist_entry *he) { @@ -146,30 +149,37 @@ static void hists__match(struct hists *older, struct hists *newer) static int __cmd_diff(void) { int ret, i; +#define older (session[0]) +#define newer (session[1]) struct perf_session *session[2]; - session[0] = perf_session__new(input_old, O_RDONLY, force, false, &perf_diff); - session[1] = perf_session__new(input_new, O_RDONLY, force, false, &perf_diff); + older = perf_session__new(input_old, O_RDONLY, force, false, + &diff.tool); + newer = perf_session__new(input_new, O_RDONLY, force, false, + &diff.tool); if (session[0] == NULL || session[1] == NULL) return -ENOMEM; for (i = 0; i < 2; ++i) { - ret = perf_session__process_events(session[i], &perf_diff); + diff.session = session[i]; + ret = perf_session__process_events(session[i], &diff.tool); if (ret) goto out_delete; + hists__output_resort(&session[i]->hists); } - hists__output_resort(&session[1]->hists); if (show_displacement) - hists__set_positions(&session[0]->hists); + hists__resort_entries(&older->hists); - hists__match(&session[0]->hists, &session[1]->hists); - hists__fprintf(&session[1]->hists, &session[0]->hists, + hists__match(&older->hists, &newer->hists); + hists__fprintf(&newer->hists, &older->hists, show_displacement, true, 0, 0, stdout); out_delete: for (i = 0; i < 2; ++i) perf_session__delete(session[i]); return ret; +#undef older +#undef newer } static const char * const diff_usage[] = { diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 0221700075c..d9da62a7234 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -34,7 +34,7 @@ int __perf_evsel__sample_size(u64 sample_type) return size; } -static void hists__init(struct hists *hists) +void hists__init(struct hists *hists) { memset(hists, 0, sizeof(*hists)); hists->entries_in_array[0] = hists->entries_in_array[1] = RB_ROOT; diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 3158ca3d69a..3d6b3e4cb66 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -170,4 +170,6 @@ static inline int perf_evsel__sample_size(struct perf_evsel *evsel) return __perf_evsel__sample_size(evsel->attr.sample_type); } +void hists__init(struct hists *hists); + #endif /* __PERF_EVSEL_H */ diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 5fb19013ca0..c61235f8126 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -891,9 +891,9 @@ static int hist_entry__pcnt_snprintf(struct hist_entry *he, char *s, diff = new_percent - old_percent; if (fabs(diff) >= 0.01) - ret += scnprintf(bf, sizeof(bf), "%+4.2F%%", diff); + scnprintf(bf, sizeof(bf), "%+4.2F%%", diff); else - ret += scnprintf(bf, sizeof(bf), " "); + scnprintf(bf, sizeof(bf), " "); if (sep) ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf); @@ -902,9 +902,9 @@ static int hist_entry__pcnt_snprintf(struct hist_entry *he, char *s, if (show_displacement) { if (displacement) - ret += scnprintf(bf, sizeof(bf), "%+4ld", displacement); + scnprintf(bf, sizeof(bf), "%+4ld", displacement); else - ret += scnprintf(bf, sizeof(bf), " "); + scnprintf(bf, sizeof(bf), " "); if (sep) ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf); diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 002ebbf59f4..9412e3b05f6 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -140,6 +140,7 @@ struct perf_session *perf_session__new(const char *filename, int mode, INIT_LIST_HEAD(&self->ordered_samples.sample_cache); INIT_LIST_HEAD(&self->ordered_samples.to_free); machine__init(&self->host_machine, "", HOST_KERNEL_ID); + hists__init(&self->hists); if (mode == O_RDONLY) { if (perf_session__open(self, force) < 0) |