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authorMark Rutland <mark.rutland@arm.com>2016-07-15 11:08:11 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-07-18 19:42:47 -0300
commit9a6c582d57a0fc37fa4e13a69d9129fb3d98a401 (patch)
treea2dc1be66870ab9ed15a8265eac5e8ea744a4df3 /tools/perf/util/demangle-java.h
parent00e727bb389359c81101b03d34fec8cc7be5168d (diff)
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perf cpu_map: Add more helpers
In some cases it's necessry to figure out the map-local index of a given Linux logical CPU ID. Add a new helper, cpu_map__idx, to acquire this. As the logic is largely the same as the existing cpu_map__has, this is rewritten in terms of the new helper. At the same time, add the inverse operation, cpu_map__cpu, which yields the logical CPU id for a map-local index. While this can be performed manually, wrapping this in a helper can make code more legible. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: He Kuang <hekuang@huawei.com> Cc: Kan Liang <kan.liang@intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1468577293-19667-3-git-send-email-mark.rutland@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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