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authorJiri Olsa <jolsa@redhat.com>2016-02-16 16:01:43 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-02-16 17:13:00 -0300
commit720e98b5faf10cfd12b7821dbdcc41c9747bd13e (patch)
tree3614ba5106487c4c42091b252ac6d92800bf7d5c /tools/perf/builtin-stat.c
parentdd629cc0975349c99d5483402bca1ef16313c209 (diff)
downloadlinux-720e98b5faf10cfd12b7821dbdcc41c9747bd13e.tar.gz
perf tools: Add perf data cache feature
Storing CPU cache details under perf data. It's stored as new HEADER_CACHE feature and it's displayed under header info with -I option: $ perf report --header-only -I ... # CPU cache info: # L1 Data 32K [0-1] # L1 Instruction 32K [0-1] # L1 Data 32K [2-3] # L1 Instruction 32K [2-3] # L2 Unified 256K [0-1] # L2 Unified 256K [2-3] # L3 Unified 4096K [0-3] ... All distinct caches are stored/displayed. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20160216150143.GA7119@krava.brq.redhat.com [ Fixed leak on process_caches(), s/cache_level/cpu_cache_level/g ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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