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perf tools: Change perf_mem__lck_scnprintf to return nb of displayed bytes

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Moving strncat call into scnprintf to easily track number of displayed
bytes. It will be used in following patch.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1456303616-26926-13-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2016-02-24 09:46:53 +01:00
committed by Arnaldo Carvalho de Melo
parent 149d750767
commit 8b0819c8a3
2 changed files with 8 additions and 6 deletions
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2
tools/perf/util/mem-events.h
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@@ -28,6 +28,6 @@ struct mem_info;
int perf_mem__tlb_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
int perf_mem__snp_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
void perf_mem__lck_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
int perf_mem__lck_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
#endif /* __PERF_MEM_EVENTS_H */