https://github.com/torvalds/linux
Revision 8cc42de736b617827a4e7664fb8d7a325bc125bc authored by Kan Liang on 18 January 2018, 21:26:32 UTC, committed by Arnaldo Carvalho de Melo on 15 February 2018, 12:57:06 UTC
The latency of perf_top__mmap_read() should be lower than refresh time.
If not, give some hints to reduce the latency.

Signed-off-by: Kan Liang <kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1516310792-208685-18-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
1 parent ebebbf0
History
Tip revision: 8cc42de736b617827a4e7664fb8d7a325bc125bc authored by Kan Liang on 18 January 2018, 21:26:32 UTC
perf top: Check the latency of perf_top__mmap_read()
Tip revision: 8cc42de
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