libperf: Warn when exceeding MAX_NR_CPUS in cpumap

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Display a warning when attempting to profile more than MAX_NR_CPU CPUs.
This patch should not change any behavior.

Signed-off-by: Kyle Meyer <kyle.meyer@hpe.com>
Reviewed-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <russ.anderson@hpe.com>
Link: http://lore.kernel.org/lkml/20190827214352.94272-8-meyerk@stormcage.eag.rdlabs.hpecorp.net
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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Kyle Meyer 2019-08-27 16:43:52 -05:00 • committed by Arnaldo Carvalho de Melo

parent dc84187f32

commit df55279349

1 changed files with 6 additions and 0 deletions

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tools/perf/lib/cpumap.c

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