Rename and clean up the use of libperf CPU map functions particularly focussing on perf_cpu_map__empty that may return true for maps containing CPUs but also with an "any CPU"/dummy value. perf_cpu_map__nr is also troubling in that iterating an empty CPU map will yield the "any CPU"/dummy value. Reduce the appearance of some calls to this by using the perf_cpu_map__for_each_cpu macro. v3: Address handling of "any" is arm-spe/cs-etm patch. v2: 6 patches were merged by Arnaldo. New patch added ensure empty maps are allocated as NULL (suggested by James Clark). Hopefully a fix to "perf arm-spe/cs-etm: Directly iterate CPU maps". Ian Rogers (8): libperf cpumap: Add any, empty and min helpers libperf cpumap: Ensure empty cpumap is NULL from alloc perf arm-spe/cs-etm: Directly iterate CPU maps perf intel-pt/intel-bts: Switch perf_cpu_map__has_any_cpu_or_is_empty use perf cpumap: Clean up use of perf_cpu_map__has_any_cpu_or_is_empty perf arm64 header: Remove unnecessary CPU map get and put perf stat: Remove duplicate cpus_map_matched function perf cpumap: Use perf_cpu_map__for_each_cpu when possible tools/lib/perf/cpumap.c | 33 ++++- tools/lib/perf/include/perf/cpumap.h | 16 +++ tools/lib/perf/libperf.map | 4 + tools/perf/arch/arm/util/cs-etm.c | 114 ++++++++---------- tools/perf/arch/arm64/util/arm-spe.c | 4 +- tools/perf/arch/arm64/util/header.c | 13 +- tools/perf/arch/x86/util/intel-bts.c | 4 +- tools/perf/arch/x86/util/intel-pt.c | 10 +- tools/perf/builtin-c2c.c | 6 +- tools/perf/builtin-stat.c | 31 +---- tools/perf/tests/bitmap.c | 13 +- tools/perf/tests/topology.c | 46 +++---- tools/perf/util/auxtrace.c | 4 +- tools/perf/util/bpf_kwork.c | 16 +-- tools/perf/util/bpf_kwork_top.c | 12 +- tools/perf/util/cpumap.c | 12 +- tools/perf/util/record.c | 2 +- .../scripting-engines/trace-event-python.c | 12 +- tools/perf/util/session.c | 5 +- tools/perf/util/stat.c | 2 +- tools/perf/util/svghelper.c | 20 ++- 21 files changed, 192 insertions(+), 187 deletions(-) -- 2.43.0.594.gd9cf4e227d-goog