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authorRiccardo Mancini <rickyman7@gmail.com>2021-08-21 11:19:08 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-08-31 21:17:02 +0200
commit6e93bc534f1408e0e1f890e760596099b12f0d8c (patch)
tree565f03db84f57548fb163e5cb0c3c70596299973 /tools/perf/util/mmap.h
parentlibsubcmd: add OPT_UINTEGER_OPTARG option type (diff)
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libperf cpumap: Take into advantage it is sorted to optimize perf_cpu_map__max()
From commit 7074674e7338863e ("perf cpumap: Maintain cpumaps ordered and without dups"), perf_cpu_map elements are sorted in ascending order. This patch improves the perf_cpu_map__max function by returning the last element. Committer notes: Do it as a ternary to keep it in just one return line, add a comment explaining it is sorted and what functions does it. Signed-off-by: Riccardo Mancini <rickyman7@gmail.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/fb79f02e7b86ea8044d563adb1e9890c906f982f.1629490974.git.rickyman7@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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