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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-07-03 13:05:43 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-07-18 23:14:12 -0300 |
| commit | 30269dc1a17df5117a2e267835863d4466c3569d (patch) | |
| tree | 5889463259cd5778cc5f9a03e25133487eb08c3d /tools/perf/util/evlist.c | |
| parent | d2396999c998b4e0006aef247e154eff0ed3d8f9 (diff) | |
| download | linux-30269dc1a17df5117a2e267835863d4466c3569d.tar.gz linux-30269dc1a17df5117a2e267835863d4466c3569d.tar.bz2 linux-30269dc1a17df5117a2e267835863d4466c3569d.zip | |
perf evsel: Allow asking for max precise_ip in new_cycles()
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-4zq1udecxa51gsapyfwej5fj@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evlist.c')
| -rw-r--r-- | tools/perf/util/evlist.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 46c0faf6c502..f51c3314015c 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -244,7 +244,7 @@ void perf_event_attr__set_max_precise_ip(struct perf_event_attr *attr) int perf_evlist__add_default(struct perf_evlist *evlist) { - struct perf_evsel *evsel = perf_evsel__new_cycles(); + struct perf_evsel *evsel = perf_evsel__new_cycles(true); if (evsel == NULL) return -ENOMEM; |