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authorNamhyung Kim <namhyung.kim@lge.com>2012-09-26 16:47:28 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-09-26 20:44:11 -0300
commit9ec60972a38011ad8a5676f4cd5e51ac508c36b6 (patch)
tree4546004ef753ca9b73aa25b0ed35d9e9542f2204 /tools/perf/perf.c
parent514f1c67c2fdae7b334fdc5adee63a484781241a (diff)
downloadlinux-9ec60972a38011ad8a5676f4cd5e51ac508c36b6.tar.gz
perf hists: Add missing period_* fields when collapsing a hist entry
So that the perf report won't lost the cpu utilization information. For example, if there're two process that have same name. $ perf report --stdio --showcpuutilization -s pid [SNIP] # Overhead sys us Command: Pid # ........ ........ ........ ............. # 55.12% 0.01% 55.10% noploop:28781 44.88% 0.06% 44.83% noploop:28782 Before: $ perf report --stdio --showcpuutilization -s comm [SNIP] # Overhead sys us # ........ ........ ........ # 100.00% 0.06% 44.83% After: $ perf report --stdio --showcpuutilization -s comm [SNIP] # Overhead sys us # ........ ........ ........ # 100.00% 0.07% 99.93% Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Arun Sharma <asharma@fb.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1348645663-25303-2-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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