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linux/tools/lib/perf
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Ian Rogers da0bfb9fdf perf cpumap: More cpu map reuse by merge. 
perf_cpu_map__merge() will reuse one of its arguments if they are equal or
the other argument is NULL.

The arguments could be reused if it is known one set of values is a
subset of the other.

For example, a map of 0-1 and a map of just 0 when merged yields the map
of 0-1.

Currently a new map is created rather than adding a reference count to
the original 0-1 map.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Antonov <alexander.antonov@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: German Gomez <german.gomez@arm.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: John Garry <john.garry@huawei.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: netdev@vger.kernel.org
Link: http://lore.kernel.org/lkml/20220328232648.2127340-5-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-04-01 16:19:35 -03:00
..
Documentation libperf: Add API for allocating new thread map array 2022-02-23 14:40:23 -03:00
include perf cpumap: Add is_subset function 2022-04-01 16:19:35 -03:00
tests libperf tests: Fix typo in perf_evlist__open() failure error messages 2022-03-26 10:55:57 -03:00
Build libperf: Change tests to single static and shared binaries 2021-07-07 11:41:58 -03:00
core.c
cpumap.c perf cpumap: More cpu map reuse by merge. 2022-04-01 16:19:35 -03:00
evlist.c perf evlist: Rename cpus to user_requested_cpus 2022-04-01 16:19:35 -03:00
evsel.c perf cpumap: Migrate to libperf cpumap api 2022-01-22 17:08:42 -03:00
internal.h
lib.c
libperf.map libperf: Add API for allocating new thread map array 2022-02-23 14:40:23 -03:00
libperf.pc.template
Makefile kbuild: replace $(if A,A,B) with $(or A,B) 2022-02-15 12:25:56 +09:00
mmap.c libperf: Add arm64 support to perf_mmap__read_self() 2022-02-06 09:14:27 -03:00
threadmap.c libperf: Add API for allocating new thread map array 2022-02-23 14:40:23 -03:00
xyarray.c