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Subject[tip:perf/core] perf evlist: Set the leader in the perf_evlist__config method
Commit-ID:  f77a951826b44b763e4d9fbd2479b6132d2bd7fc
Gitweb: http://git.kernel.org/tip/f77a951826b44b763e4d9fbd2479b6132d2bd7fc
Author: Arnaldo Carvalho de Melo <acme@redhat.com>
AuthorDate: Mon, 10 Dec 2012 16:41:31 -0300
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 11 Dec 2012 17:19:01 -0300

perf evlist: Set the leader in the perf_evlist__config method

Since we need to ensure the leader is set before configuring the
evsel perf_event_attrs.

Reducing the boilerplate needed by tools, helping, for instance,
'perf trace', that wasn't setting the leader.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-22shm0ptkch2kgl7rtqlligx@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-record.c | 9 +--------
tools/perf/builtin-trace.c | 2 +-
tools/perf/tests/perf-record.c | 2 +-
tools/perf/util/evlist.c | 10 ++++++++--
tools/perf/util/evlist.h | 4 ++--
5 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 0be6605..fc4f080 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -230,14 +230,7 @@ static int perf_record__open(struct perf_record *rec)
struct perf_record_opts *opts = &rec->opts;
int rc = 0;

- /*
- * Set the evsel leader links before we configure attributes,
- * since some might depend on this info.
- */
- if (opts->group)
- perf_evlist__set_leader(evlist);
-
- perf_evlist__config_attrs(evlist, opts);
+ perf_evlist__config(evlist, opts);

list_for_each_entry(pos, &evlist->entries, node) {
struct perf_event_attr *attr = &pos->attr;
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 7932ffa..d222d7f 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -455,7 +455,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
goto out_delete_evlist;
}

- perf_evlist__config_attrs(evlist, &trace->opts);
+ perf_evlist__config(evlist, &trace->opts);

signal(SIGCHLD, sig_handler);
signal(SIGINT, sig_handler);
diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c
index 5902772..6ea66cf 100644
--- a/tools/perf/tests/perf-record.c
+++ b/tools/perf/tests/perf-record.c
@@ -106,7 +106,7 @@ int test__PERF_RECORD(void)
perf_evsel__set_sample_bit(evsel, CPU);
perf_evsel__set_sample_bit(evsel, TID);
perf_evsel__set_sample_bit(evsel, TIME);
- perf_evlist__config_attrs(evlist, &opts);
+ perf_evlist__config(evlist, &opts);

err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask);
if (err < 0) {
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 5a0878d..dc8aee9 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -49,10 +49,16 @@ struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
return evlist;
}

-void perf_evlist__config_attrs(struct perf_evlist *evlist,
- struct perf_record_opts *opts)
+void perf_evlist__config(struct perf_evlist *evlist,
+ struct perf_record_opts *opts)
{
struct perf_evsel *evsel;
+ /*
+ * Set the evsel leader links before we configure attributes,
+ * since some might depend on this info.
+ */
+ if (opts->group)
+ perf_evlist__set_leader(evlist);

if (evlist->cpus->map[0] < 0)
opts->no_inherit = true;
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 56003f7..457e235 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -76,8 +76,8 @@ union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx);

int perf_evlist__open(struct perf_evlist *evlist);

-void perf_evlist__config_attrs(struct perf_evlist *evlist,
- struct perf_record_opts *opts);
+void perf_evlist__config(struct perf_evlist *evlist,
+ struct perf_record_opts *opts);

int perf_evlist__prepare_workload(struct perf_evlist *evlist,
struct perf_record_opts *opts,

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