diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-07-03 19:10:20 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-07-19 05:14:12 +0300 |
| commit | db918acb356b8770a0fafbe96743031a56b91af6 (patch) | |
| tree | 8b244ba369c34d214db13cff8f0c0839e9b31f35 /tools/perf | |
| parent | 30269dc1a17df5117a2e267835863d4466c3569d (diff) | |
| download | linux-db918acb356b8770a0fafbe96743031a56b91af6.tar.xz | |
perf evlist: Allow asking for max precise_ip in add_default()
There are cases where we want to leave attr.precise_ip as zero, such
as when using 'perf record --no-samples', where this would make the
kernel return -EINVAL.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-0u2m2a8rqw781r6m8svqyne8@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/evlist.c | 4 | ||||
| -rw-r--r-- | tools/perf/util/evlist.h | 9 |
2 files changed, 10 insertions, 3 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index f51c3314015c..078b58511595 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -242,9 +242,9 @@ void perf_event_attr__set_max_precise_ip(struct perf_event_attr *attr) } } -int perf_evlist__add_default(struct perf_evlist *evlist) +int __perf_evlist__add_default(struct perf_evlist *evlist, bool precise) { - struct perf_evsel *evsel = perf_evsel__new_cycles(true); + struct perf_evsel *evsel = perf_evsel__new_cycles(precise); if (evsel == NULL) return -ENOMEM; diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 8d601fbdd8d6..0843746bc389 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -115,7 +115,14 @@ void perf_evlist__delete(struct perf_evlist *evlist); void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry); void perf_evlist__remove(struct perf_evlist *evlist, struct perf_evsel *evsel); -int perf_evlist__add_default(struct perf_evlist *evlist); + +int __perf_evlist__add_default(struct perf_evlist *evlist, bool precise); + +static inline int perf_evlist__add_default(struct perf_evlist *evlist) +{ + return __perf_evlist__add_default(evlist, true); +} + int __perf_evlist__add_default_attrs(struct perf_evlist *evlist, struct perf_event_attr *attrs, size_t nr_attrs); |