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Message-ID: <20240607202918.2357459-4-namhyung@kernel.org>
Date: Fri, 7 Jun 2024 13:29:17 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>,
Ian Rogers <irogers@...gle.com>,
Kan Liang <kan.liang@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...nel.org>,
Adrian Hunter <adrian.hunter@...el.com>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...nel.org>,
LKML <linux-kernel@...r.kernel.org>,
linux-perf-users@...r.kernel.org,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 3/4] perf hist: Add symbol_conf.skip_empty
Add the skip_empty flag to symbol_conf and set the value from the report
command to preserve the existing behavior. This makes the code simpler
and will be needed other code which is hard to add a new argument.
Tested-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
tools/perf/builtin-annotate.c | 4 ++--
tools/perf/builtin-report.c | 12 ++++++------
tools/perf/ui/stdio/hist.c | 5 ++---
tools/perf/util/events_stats.h | 3 +--
tools/perf/util/hist.c | 6 +++---
tools/perf/util/hist.h | 3 +--
tools/perf/util/session.c | 5 ++---
tools/perf/util/session.h | 3 +--
tools/perf/util/symbol_conf.h | 3 ++-
9 files changed, 20 insertions(+), 24 deletions(-)
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 50d2fb222d48..b10b7f005658 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -571,8 +571,8 @@ static int __cmd_annotate(struct perf_annotate *ann)
goto out;
if (dump_trace) {
- perf_session__fprintf_nr_events(session, stdout, false);
- evlist__fprintf_nr_events(session->evlist, stdout, false);
+ perf_session__fprintf_nr_events(session, stdout);
+ evlist__fprintf_nr_events(session->evlist, stdout);
goto out;
}
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 69618fb0110b..9718770facb5 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -810,8 +810,8 @@ static int stats_print(struct report *rep)
{
struct perf_session *session = rep->session;
- perf_session__fprintf_nr_events(session, stdout, rep->skip_empty);
- evlist__fprintf_nr_events(session->evlist, stdout, rep->skip_empty);
+ perf_session__fprintf_nr_events(session, stdout);
+ evlist__fprintf_nr_events(session->evlist, stdout);
return 0;
}
@@ -1089,10 +1089,8 @@ static int __cmd_report(struct report *rep)
perf_session__fprintf_dsos(session, stdout);
if (dump_trace) {
- perf_session__fprintf_nr_events(session, stdout,
- rep->skip_empty);
- evlist__fprintf_nr_events(session->evlist, stdout,
- rep->skip_empty);
+ perf_session__fprintf_nr_events(session, stdout);
+ evlist__fprintf_nr_events(session->evlist, stdout);
return 0;
}
}
@@ -1562,6 +1560,8 @@ int cmd_report(int argc, const char **argv)
data.path = input_name;
data.force = symbol_conf.force;
+ symbol_conf.skip_empty = report.skip_empty;
+
repeat:
session = perf_session__new(&data, &report.tool);
if (IS_ERR(session)) {
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index b849caace398..9372e8904d22 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -897,8 +897,7 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
return ret;
}
-size_t events_stats__fprintf(struct events_stats *stats, FILE *fp,
- bool skip_empty)
+size_t events_stats__fprintf(struct events_stats *stats, FILE *fp)
{
int i;
size_t ret = 0;
@@ -910,7 +909,7 @@ size_t events_stats__fprintf(struct events_stats *stats, FILE *fp,
name = perf_event__name(i);
if (!strcmp(name, "UNKNOWN"))
continue;
- if (skip_empty && !stats->nr_events[i])
+ if (symbol_conf.skip_empty && !stats->nr_events[i])
continue;
if (i && total) {
diff --git a/tools/perf/util/events_stats.h b/tools/perf/util/events_stats.h
index 8fecc9fbaecc..f43e5b1a366a 100644
--- a/tools/perf/util/events_stats.h
+++ b/tools/perf/util/events_stats.h
@@ -52,7 +52,6 @@ struct hists_stats {
void events_stats__inc(struct events_stats *stats, u32 type);
-size_t events_stats__fprintf(struct events_stats *stats, FILE *fp,
- bool skip_empty);
+size_t events_stats__fprintf(struct events_stats *stats, FILE *fp);
#endif /* __PERF_EVENTS_STATS_ */
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 2e9e193179dd..f028f113c4fd 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -2706,8 +2706,7 @@ void hist__account_cycles(struct branch_stack *bs, struct addr_location *al,
}
}
-size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp,
- bool skip_empty)
+size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp)
{
struct evsel *pos;
size_t ret = 0;
@@ -2715,7 +2714,8 @@ size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp,
evlist__for_each_entry(evlist, pos) {
struct hists *hists = evsel__hists(pos);
- if (skip_empty && !hists->stats.nr_samples && !hists->stats.nr_lost_samples)
+ if (symbol_conf.skip_empty && !hists->stats.nr_samples &&
+ !hists->stats.nr_lost_samples)
continue;
ret += fprintf(fp, "%s stats:\n", evsel__name(pos));
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 8fb3bdd29188..5273f5c37050 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -375,8 +375,7 @@ void hists__inc_nr_lost_samples(struct hists *hists, u32 lost);
size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
int max_cols, float min_pcnt, FILE *fp,
bool ignore_callchains);
-size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp,
- bool skip_empty);
+size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp);
void hists__filter_by_dso(struct hists *hists);
void hists__filter_by_thread(struct hists *hists);
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index a10343b9dcd4..0ec92d47373c 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -2696,8 +2696,7 @@ size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp
return machines__fprintf_dsos_buildid(&session->machines, fp, skip, parm);
}
-size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp,
- bool skip_empty)
+size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp)
{
size_t ret;
const char *msg = "";
@@ -2707,7 +2706,7 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp,
ret = fprintf(fp, "\nAggregated stats:%s\n", msg);
- ret += events_stats__fprintf(&session->evlist->stats, fp, skip_empty);
+ ret += events_stats__fprintf(&session->evlist->stats, fp);
return ret;
}
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 3b0256e977a6..4c29dc86956f 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -130,8 +130,7 @@ size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
bool (fn)(struct dso *dso, int parm), int parm);
-size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp,
- bool skip_empty);
+size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
void perf_session__dump_kmaps(struct perf_session *session);
diff --git a/tools/perf/util/symbol_conf.h b/tools/perf/util/symbol_conf.h
index c114bbceef40..657cfa5af43c 100644
--- a/tools/perf/util/symbol_conf.h
+++ b/tools/perf/util/symbol_conf.h
@@ -46,7 +46,8 @@ struct symbol_conf {
lazy_load_kernel_maps,
keep_exited_threads,
annotate_data_member,
- annotate_data_sample;
+ annotate_data_sample,
+ skip_empty;
const char *vmlinux_name,
*kallsyms_name,
*source_prefix,
--
2.45.2.505.gda0bf45e8d-goog
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