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| Started by | Jiri Olsa <jolsa@kernel.org> |
|---|---|
| First post | 2015-12-03 10:10 +0100 |
| Last post | 2015-12-08 05:40 +0100 |
| Articles | 2 — 2 participants |
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[PATCH 1/7] perf tools: Use event maps directly in perf_evsel__enable Jiri Olsa <jolsa@kernel.org> - 2015-12-03 10:10 +0100
[tip:perf/core] perf evsel: Use event maps directly in perf_evsel__enable tip-bot for Jiri Olsa <tipbot@zytor.com> - 2015-12-08 05:40 +0100
| From | Jiri Olsa <jolsa@kernel.org> |
|---|---|
| Date | 2015-12-03 10:10 +0100 |
| Subject | [PATCH 1/7] perf tools: Use event maps directly in perf_evsel__enable |
| Message-ID | <qBy3M-2WY-27@gated-at.bofh.it> |
All events now share proper cpu and thread maps. There's
no need to pass those maps from evlist, it's safe to use
evsel maps for enabling event.
Link: http://lkml.kernel.org/n/tip-8758blril51rkn4e6wef1gcv@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/builtin-stat.c | 5 +----
tools/perf/util/evsel.c | 5 ++++-
tools/perf/util/evsel.h | 2 +-
3 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index df2fbf046ee2..813c52ad9303 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -256,12 +256,9 @@ static void handle_initial_delay(void)
struct perf_evsel *counter;
if (initial_delay) {
- const int ncpus = cpu_map__nr(evsel_list->cpus),
- nthreads = thread_map__nr(evsel_list->threads);
-
usleep(initial_delay * 1000);
evlist__for_each(evsel_list, counter)
- perf_evsel__enable(counter, ncpus, nthreads);
+ perf_evsel__enable(counter);
}
}
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 0a1f4d9e52fc..3a9b5068667d 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -981,8 +981,11 @@ int perf_evsel__append_filter(struct perf_evsel *evsel,
return -1;
}
-int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads)
+int perf_evsel__enable(struct perf_evsel *evsel)
{
+ int nthreads = thread_map__nr(evsel->threads);
+ int ncpus = cpu_map__nr(evsel->cpus);
+
return perf_evsel__run_ioctl(evsel, ncpus, nthreads,
PERF_EVENT_IOC_ENABLE,
0);
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 0e49bd742c63..a721592a3200 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -227,7 +227,7 @@ int perf_evsel__append_filter(struct perf_evsel *evsel,
const char *op, const char *filter);
int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
const char *filter);
-int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads);
+int perf_evsel__enable(struct perf_evsel *evsel);
int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
struct cpu_map *cpus);
--
2.4.3
--
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| From | tip-bot for Jiri Olsa <tipbot@zytor.com> |
|---|---|
| Date | 2015-12-08 05:40 +0100 |
| Subject | [tip:perf/core] perf evsel: Use event maps directly in perf_evsel__enable |
| Message-ID | <qDief-5VW-37@gated-at.bofh.it> |
| In reply to | #1282826 |
Commit-ID: 5cd95fc3f8d84a8bb256838fa3b6b59e9095eaa2
Gitweb: http://git.kernel.org/tip/5cd95fc3f8d84a8bb256838fa3b6b59e9095eaa2
Author: Jiri Olsa <jolsa@kernel.org>
AuthorDate: Thu, 3 Dec 2015 10:06:40 +0100
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 7 Dec 2015 18:12:57 -0300
perf evsel: Use event maps directly in perf_evsel__enable
All events now share proper cpu and thread maps. There's no need to pass
those maps from evlist, it's safe to use evsel maps for enabling event.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1449133606-14429-2-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-stat.c | 5 +----
tools/perf/util/evsel.c | 5 ++++-
tools/perf/util/evsel.h | 2 +-
3 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index df2fbf0..813c52a 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -256,12 +256,9 @@ static void handle_initial_delay(void)
struct perf_evsel *counter;
if (initial_delay) {
- const int ncpus = cpu_map__nr(evsel_list->cpus),
- nthreads = thread_map__nr(evsel_list->threads);
-
usleep(initial_delay * 1000);
evlist__for_each(evsel_list, counter)
- perf_evsel__enable(counter, ncpus, nthreads);
+ perf_evsel__enable(counter);
}
}
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 0a1f4d9..3a9b506 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -981,8 +981,11 @@ int perf_evsel__append_filter(struct perf_evsel *evsel,
return -1;
}
-int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads)
+int perf_evsel__enable(struct perf_evsel *evsel)
{
+ int nthreads = thread_map__nr(evsel->threads);
+ int ncpus = cpu_map__nr(evsel->cpus);
+
return perf_evsel__run_ioctl(evsel, ncpus, nthreads,
PERF_EVENT_IOC_ENABLE,
0);
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 0e49bd7..a721592 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -227,7 +227,7 @@ int perf_evsel__append_filter(struct perf_evsel *evsel,
const char *op, const char *filter);
int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
const char *filter);
-int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads);
+int perf_evsel__enable(struct perf_evsel *evsel);
int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
struct cpu_map *cpus);
--
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