lkml.org 
[lkml]   [2018]   [Jan]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH V4 10/15] perf evsel: expose perf_missing_features.write_backward
Date
From: Kan Liang <kan.liang@intel.com>

perf top need it to handle overwrite fallback later.

Signed-off-by: Kan Liang <kan.liang@intel.com>
---
tools/perf/util/evsel.c | 5 +++++
tools/perf/util/evsel.h | 2 ++
2 files changed, 7 insertions(+)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 4eea3b4..1dd3700 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1670,6 +1670,11 @@ static bool ignore_missing_thread(struct perf_evsel *evsel,
return true;
}

+bool is_write_backward_fail(void)
+{
+ return perf_missing_features.write_backward;
+}
+
int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
struct thread_map *threads)
{
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 846e416..1f46728 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -448,4 +448,6 @@ int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,

struct perf_env *perf_evsel__env(struct perf_evsel *evsel);

+bool is_write_backward_fail(void);
+
#endif /* __PERF_EVSEL_H */
--
2.5.5
\
 
 \ /
  Last update: 2018-01-15 21:22    [W:0.090 / U:15.992 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site