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Diffstat (limited to 'tools/perf/builtin-diff.c')
-rw-r--r--tools/perf/builtin-diff.c79
1 files changed, 66 insertions, 13 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 9a5a035cb426..1fd96c13f199 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -327,6 +327,7 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused,
struct machine *machine)
{
struct addr_location al;
+ struct hists *hists = evsel__hists(evsel);
if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
pr_warning("problem processing %d event, skipping it.\n",
@@ -334,7 +335,7 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused,
return -1;
}
- if (hists__add_entry(&evsel->hists, &al, sample->period,
+ if (hists__add_entry(hists, &al, sample->period,
sample->weight, sample->transaction)) {
pr_warning("problem incrementing symbol period, skipping event\n");
return -1;
@@ -346,9 +347,9 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused,
* hists__output_resort() and precompute needs the total
* period in order to sort entries by percentage delta.
*/
- evsel->hists.stats.total_period += sample->period;
+ hists->stats.total_period += sample->period;
if (!al.filtered)
- evsel->hists.stats.total_non_filtered_period += sample->period;
+ hists->stats.total_non_filtered_period += sample->period;
return 0;
}
@@ -356,11 +357,12 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused,
static struct perf_tool tool = {
.sample = diff__process_sample_event,
.mmap = perf_event__process_mmap,
+ .mmap2 = perf_event__process_mmap2,
.comm = perf_event__process_comm,
.exit = perf_event__process_exit,
.fork = perf_event__process_fork,
.lost = perf_event__process_lost,
- .ordered_samples = true,
+ .ordered_events = true,
.ordering_requires_timestamps = true,
};
@@ -382,7 +384,7 @@ static void perf_evlist__collapse_resort(struct perf_evlist *evlist)
struct perf_evsel *evsel;
evlist__for_each(evlist, evsel) {
- struct hists *hists = &evsel->hists;
+ struct hists *hists = evsel__hists(evsel);
hists__collapse_resort(hists, NULL);
}
@@ -543,6 +545,42 @@ hist_entry__cmp_compute(struct hist_entry *left, struct hist_entry *right,
return __hist_entry__cmp_compute(p_left, p_right, c);
}
+static int64_t
+hist_entry__cmp_nop(struct hist_entry *left __maybe_unused,
+ struct hist_entry *right __maybe_unused)
+{
+ return 0;
+}
+
+static int64_t
+hist_entry__cmp_baseline(struct hist_entry *left, struct hist_entry *right)
+{
+ if (sort_compute)
+ return 0;
+
+ if (left->stat.period == right->stat.period)
+ return 0;
+ return left->stat.period > right->stat.period ? 1 : -1;
+}
+
+static int64_t
+hist_entry__cmp_delta(struct hist_entry *left, struct hist_entry *right)
+{
+ return hist_entry__cmp_compute(right, left, COMPUTE_DELTA);
+}
+
+static int64_t
+hist_entry__cmp_ratio(struct hist_entry *left, struct hist_entry *right)
+{
+ return hist_entry__cmp_compute(right, left, COMPUTE_RATIO);
+}
+
+static int64_t
+hist_entry__cmp_wdiff(struct hist_entry *left, struct hist_entry *right)
+{
+ return hist_entry__cmp_compute(right, left, COMPUTE_WEIGHTED_DIFF);
+}
+
static void insert_hist_entry_by_compute(struct rb_root *root,
struct hist_entry *he,
int c)
@@ -603,7 +641,7 @@ static void hists__process(struct hists *hists)
hists__precompute(hists);
hists__compute_resort(hists);
} else {
- hists__output_resort(hists);
+ hists__output_resort(hists, NULL);
}
hists__fprintf(hists, true, 0, 0, 0, stdout);
@@ -631,24 +669,26 @@ static void data_process(void)
bool first = true;
evlist__for_each(evlist_base, evsel_base) {
+ struct hists *hists_base = evsel__hists(evsel_base);
struct data__file *d;
int i;
data__for_each_file_new(i, d) {
struct perf_evlist *evlist = d->session->evlist;
struct perf_evsel *evsel;
+ struct hists *hists;
evsel = evsel_match(evsel_base, evlist);
if (!evsel)
continue;
- d->hists = &evsel->hists;
+ hists = evsel__hists(evsel);
+ d->hists = hists;
- hists__match(&evsel_base->hists, &evsel->hists);
+ hists__match(hists_base, hists);
if (!show_baseline_only)
- hists__link(&evsel_base->hists,
- &evsel->hists);
+ hists__link(hists_base, hists);
}
fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n",
@@ -659,7 +699,7 @@ static void data_process(void)
if (verbose || data__files_cnt > 2)
data__fprintf();
- hists__process(&evsel_base->hists);
+ hists__process(hists_base);
}
}
@@ -683,7 +723,7 @@ static int __cmd_diff(void)
d->session = perf_session__new(&d->file, false, &tool);
if (!d->session) {
pr_err("Failed to open %s\n", d->file.path);
- ret = -ENOMEM;
+ ret = -1;
goto out_delete;
}
@@ -1034,27 +1074,35 @@ static void data__hpp_register(struct data__file *d, int idx)
fmt->header = hpp__header;
fmt->width = hpp__width;
fmt->entry = hpp__entry_global;
+ fmt->cmp = hist_entry__cmp_nop;
+ fmt->collapse = hist_entry__cmp_nop;
/* TODO more colors */
switch (idx) {
case PERF_HPP_DIFF__BASELINE:
fmt->color = hpp__color_baseline;
+ fmt->sort = hist_entry__cmp_baseline;
break;
case PERF_HPP_DIFF__DELTA:
fmt->color = hpp__color_delta;
+ fmt->sort = hist_entry__cmp_delta;
break;
case PERF_HPP_DIFF__RATIO:
fmt->color = hpp__color_ratio;
+ fmt->sort = hist_entry__cmp_ratio;
break;
case PERF_HPP_DIFF__WEIGHTED_DIFF:
fmt->color = hpp__color_wdiff;
+ fmt->sort = hist_entry__cmp_wdiff;
break;
default:
+ fmt->sort = hist_entry__cmp_nop;
break;
}
init_header(d, dfmt);
perf_hpp__column_register(fmt);
+ perf_hpp__register_sort_field(fmt);
}
static void ui_init(void)
@@ -1139,11 +1187,16 @@ static int data_init(int argc, const char **argv)
int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused)
{
+ int ret = hists__init();
+
+ if (ret < 0)
+ return ret;
+
perf_config(perf_default_config, NULL);
argc = parse_options(argc, argv, options, diff_usage, 0);
- if (symbol__init() < 0)
+ if (symbol__init(NULL) < 0)
return -1;
if (data_init(argc, argv) < 0)
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