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| author | Kan Liang <kan.liang@intel.com> | 2016-04-24 23:28:09 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-04-25 20:35:59 -0300 |
| commit | 09623d79466e996f5dc2753e16f04fda6f078041 (patch) | |
| tree | 0e322e3672fb9e89220b5534b6a6afc09a2d682d /MAINTAINERS | |
| parent | c0664893050cc6b2d8b02d3e035f82fbfd0cd4cf (diff) | |
perf hists: Clear dummy entry accumulated period
The accumulated period for dummy entry should also be 0. Otherwise, the
total overhead could be overcounted.
$ perf record -e '{LLC-load-misses,cpu/instructions/}' --call-graph=lbr ./tchain
$ perf report --stdio
# To display the perf.data header info, please use --header/--header-only options.
#
# Total Lost Samples: 0
#
# Samples: 21K of event 'anon group { LLC-load-misses, cpu/instructions/ }'
# Event count (approx.): 16313667937
#
# Children Self Command Shared Object Symbol
# ................ ................ ........... ................ ............................
#
4769.98% 0.01% 0.00% 0.01% tchain_edit [kernel.vmlinux] [k] update_fast_timekeeper
4356.18% 0.01% 0.00% 0.01% tchain_edit [kernel.vmlinux] [k] trigger_load_balance
3181.12% 0.01% 0.00% 0.01% tchain_edit [kernel.vmlinux] [k] irq_work_tick
1592.37% 0.00% 0.00% 0.00% tchain_edit [kernel.vmlinux] [k] cpu_needs_another_gp
Signed-off-by: Kan Liang <kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1461565689-5862-1-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'MAINTAINERS')
0 files changed, 0 insertions, 0 deletions