perf top: Drop samples which are behind the refresh rate

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Drop samples from processing thread if they get behind the latest event
read from the kernel maps. If it gets behind more than the refresh rate
(-d option), drop the sample.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lkml.kernel.org/n/tip-x533ra5c1pgofvbtsizzuydd@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

...

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Jiri Olsa 2018-11-11 19:52:06 +01:00 • committed by Arnaldo Carvalho de Melo

parent c94cef4beb

commit d63b9f6fea

1 changed files with 22 additions and 3 deletions

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tools/perf/builtin-top.c

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