[PATCH 09/21] perf evlist: Adopt events_stats from perf_session

Arnaldo Carvalho de Melo
2015-02-25T21:47:54Z

For tools that don't deal with perf.data files, thus do not need to
use perf_session.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-kglq67gvauq9tak02a4se00r@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-sched.c | 6 +++---
tools/perf/builtin-top.c | 4 ++--
tools/perf/util/evlist.h | 1 +
tools/perf/util/session.c | 54 +++++++++++++++++++++++-----------------------
tools/perf/util/session.h | 1 -
5 files changed, 33 insertions(+), 33 deletions(-)

diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 891c3930080e..7ce296618717 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1473,9 +1473,9 @@ static int perf_sched__read_events(struct perf_sched *sched,
goto out_delete;
}

- sched->nr_events = session->stats.nr_events[0];
- sched->nr_lost_events = session->stats.total_lost;
- sched->nr_lost_chunks = session->stats.nr_events[PERF_RECORD_LOST];
+ sched->nr_events = session->evlist->stats.nr_events[0];
+ sched->nr_lost_events = session->evlist->stats.total_lost;
+ sched->nr_lost_chunks = session->evlist->stats.nr_events[PERF_RECORD_LOST];
}

if (psession)
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index c4c7eac69de4..5fb8723c7128 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -716,7 +716,7 @@ static void perf_event__process_sample(struct perf_tool *tool,

if (!machine) {
pr_err("%u unprocessable samples recorded.\r",
- top->session->stats.nr_unprocessable_samples++);
+ top->session->evlist->stats.nr_unprocessable_samples++);
return;
}

@@ -856,7 +856,7 @@ static void perf_top__mmap_read_idx(struct perf_top *top, int idx)
hists__inc_nr_events(evsel__hists(evsel), event->header.type);
machine__process_event(machine, event, &sample);
} else
- ++session->stats.nr_unknown_events;
+ ++session->evlist->stats.nr_unknown_events;
next_event:
perf_evlist__mmap_consume(top->evlist, idx);
}
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index c19ff45c9ad5..d4768a30f884 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -51,6 +51,7 @@ struct perf_evlist {
struct thread_map *threads;
struct cpu_map *cpus;
struct perf_evsel *selected;
+ struct events_stats stats;
};

struct perf_evsel_str_handler {
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index fac08e1f6330..06ef1c35a65a 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -537,7 +537,7 @@ int perf_session_queue_event(struct perf_session *s, union perf_event *event,
pr_oe_time(oe->last_flush, "last flush, last_flush_type %d\n",
oe->last_flush_type);

- s->stats.nr_unordered_events++;
+ s->evlist->stats.nr_unordered_events++;
}

new = ordered_events__new(oe, timestamp, event);
@@ -841,7 +841,7 @@ static int deliver_sample_value(struct perf_session *session,
}

if (!sid || sid->evsel == NULL) {
- ++session->stats.nr_unknown_id;
+ ++session->evlist->stats.nr_unknown_id;
return 0;
}

@@ -911,11 +911,11 @@ int perf_session__deliver_event(struct perf_session *session,
case PERF_RECORD_SAMPLE:
dump_sample(evsel, event, sample);
if (evsel == NULL) {
- ++session->stats.nr_unknown_id;
+ ++session->evlist->stats.nr_unknown_id;
return 0;
}
if (machine == NULL) {
- ++session->stats.nr_unprocessable_samples;
+ ++session->evlist->stats.nr_unprocessable_samples;
return 0;
}
return perf_session__deliver_sample(session, tool, event,
@@ -932,7 +932,7 @@ int perf_session__deliver_event(struct perf_session *session,
return tool->exit(tool, event, sample, machine);
case PERF_RECORD_LOST:
if (tool->lost == perf_event__process_lost)
- session->stats.total_lost += event->lost.lost;
+ session->evlist->stats.total_lost += event->lost.lost;
return tool->lost(tool, event, sample, machine);
case PERF_RECORD_READ:
return tool->read(tool, event, sample, evsel, machine);
@@ -941,7 +941,7 @@ int perf_session__deliver_event(struct perf_session *session,
case PERF_RECORD_UNTHROTTLE:
return tool->unthrottle(tool, event, sample, machine);
default:
- ++session->stats.nr_unknown_events;
+ ++session->evlist->stats.nr_unknown_events;
return -1;
}
}
@@ -991,7 +991,7 @@ int perf_session__deliver_synth_event(struct perf_session *session,
struct perf_sample *sample,
struct perf_tool *tool)
{
- events_stats__inc(&session->stats, event->header.type);
+ events_stats__inc(&session->evlist->stats, event->header.type);

if (event->header.type >= PERF_RECORD_USER_TYPE_START)
return perf_session__process_user_event(session, event, tool, 0);
@@ -1077,7 +1077,7 @@ static s64 perf_session__process_event(struct perf_session *session,
if (event->header.type >= PERF_RECORD_HEADER_MAX)
return -EINVAL;

- events_stats__inc(&session->stats, event->header.type);
+ events_stats__inc(&session->evlist->stats, event->header.type);

if (event->header.type >= PERF_RECORD_USER_TYPE_START)
return perf_session__process_user_event(session, event, tool, file_offset);
@@ -1129,43 +1129,43 @@ static void perf_session__warn_about_errors(const struct perf_session *session,
const struct perf_tool *tool)
{
if (tool->lost == perf_event__process_lost &&
- session->stats.nr_events[PERF_RECORD_LOST] != 0) {
+ session->evlist->stats.nr_events[PERF_RECORD_LOST] != 0) {
ui__warning("Processed %d events and lost %d chunks!\n\n"
"Check IO/CPU overload!\n\n",
- session->stats.nr_events[0],
- session->stats.nr_events[PERF_RECORD_LOST]);
+ session->evlist->stats.nr_events[0],
+ session->evlist->stats.nr_events[PERF_RECORD_LOST]);
}

- if (session->stats.nr_unknown_events != 0) {
+ if (session->evlist->stats.nr_unknown_events != 0) {
ui__warning("Found %u unknown events!\n\n"
"Is this an older tool processing a perf.data "
"file generated by a more recent tool?\n\n"
"If that is not the case, consider "
"reporting to linux-kernel@vger.kernel.org.\n\n",
- session->stats.nr_unknown_events);
+ session->evlist->stats.nr_unknown_events);
}

- if (session->stats.nr_unknown_id != 0) {
+ if (session->evlist->stats.nr_unknown_id != 0) {
ui__warning("%u samples with id not present in the header\n",
- session->stats.nr_unknown_id);
+ session->evlist->stats.nr_unknown_id);
}

- if (session->stats.nr_invalid_chains != 0) {
- ui__warning("Found invalid callchains!\n\n"
- "%u out of %u events were discarded for this reason.\n\n"
- "Consider reporting to linux-kernel@vger.kernel.org.\n\n",
- session->stats.nr_invalid_chains,
- session->stats.nr_events[PERF_RECORD_SAMPLE]);
- }
+ if (session->evlist->stats.nr_invalid_chains != 0) {
+ ui__warning("Found invalid callchains!\n\n"
+ "%u out of %u events were discarded for this reason.\n\n"
+ "Consider reporting to linux-kernel@vger.kernel.org.\n\n",
+ session->evlist->stats.nr_invalid_chains,
+ session->evlist->stats.nr_events[PERF_RECORD_SAMPLE]);
+ }

- if (session->stats.nr_unprocessable_samples != 0) {
+ if (session->evlist->stats.nr_unprocessable_samples != 0) {
ui__warning("%u unprocessable samples recorded.\n"
"Do you have a KVM guest running and not using 'perf kvm'?\n",
- session->stats.nr_unprocessable_samples);
+ session->evlist->stats.nr_unprocessable_samples);
}

- if (session->stats.nr_unordered_events != 0)
- ui__warning("%u out of order events recorded.\n", session->stats.nr_unordered_events);
+ if (session->evlist->stats.nr_unordered_events != 0)
+ ui__warning("%u out of order events recorded.\n", session->evlist->stats.nr_unordered_events);
}

volatile int session_done;
@@ -1485,7 +1485,7 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp)
{
size_t ret = fprintf(fp, "Aggregated stats:\n");

- ret += events_stats__fprintf(&session->stats, fp);
+ 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 6d663dc76404..fe859f379ca7 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -20,7 +20,6 @@ struct perf_session {
struct machines machines;
struct perf_evlist *evlist;
struct trace_event tevent;
- struct events_stats stats;
bool repipe;
bool one_mmap;
void *one_mmap_addr;
--
1.9.3