kernel_samsung_sm7125

jenna

History

Stephane Eranian 5af52b51f7 perf stat: add perf stat -B to pretty print large numbers It is hard to read very large numbers so provide an option to perf stat to separate thousands using a separator. The patch leverages the locale support of stdio. You need to set your LC_NUMERIC appropriately, for instance LC_NUMERIC=en_US.UTF8. You need to pass -B to activate this feature. This way existing scripts parsing the output do not need to be changed. Here is an example. $ perf stat noploop 2 noploop for 2 seconds Performance counter stats for 'noploop 2': 1998.347031 task-clock-msecs # 0.998 CPUs 61 context-switches # 0.000 M/sec 0 CPU-migrations # 0.000 M/sec 118 page-faults # 0.000 M/sec 4,138,410,900 cycles # 2070.917 M/sec (scaled from 70.01%) 2,062,650,268 instructions # 0.498 IPC (scaled from 70.01%) 2,057,653,466 branches # 1029.678 M/sec (scaled from 70.01%) 40,267 branch-misses # 0.002 % (scaled from 30.04%) 2,055,961,348 cache-references # 1028.831 M/sec (scaled from 30.03%) 53,725 cache-misses # 0.027 M/sec (scaled from 30.02%) 2.001393933 seconds time elapsed $ perf stat -B noploop 2 noploop for 2 seconds Performance counter stats for 'noploop 2': 1998.297883 task-clock-msecs # 0.998 CPUs 59 context-switches # 0.000 M/sec 0 CPU-migrations # 0.000 M/sec 119 page-faults # 0.000 M/sec 4,131,380,160 cycles # 2067.450 M/sec (scaled from 70.01%) 2,059,096,507 instructions # 0.498 IPC (scaled from 70.01%) 2,054,681,303 branches # 1028.216 M/sec (scaled from 70.01%) 25,650 branch-misses # 0.001 % (scaled from 30.05%) 2,056,283,014 cache-references # 1029.017 M/sec (scaled from 30.03%) 47,097 cache-misses # 0.024 M/sec (scaled from 30.02%) 2.001391016 seconds time elapsed Cc: David S. Miller <davem@davemloft.net> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <4bf28fe8.914ed80a.01ca.fffff5f5@mx.google.com> Signed-off-by: Stephane Eranian <eranian@google.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>		15 years ago
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Makefile	perf: Make the install relative to DESTDIR if specified	15 years ago
asciidoc.conf	…
examples.txt	…
manpage-1.72.xsl	…
manpage-base.xsl	…
manpage-bold-literal.xsl	…
manpage-normal.xsl	…
manpage-suppress-sp.xsl	…
perf-annotate.txt	perf tools: Fixup minor doc formatting issues	15 years ago
perf-archive.txt	perf archive: Add documentation	15 years ago
perf-bench.txt	perf tools: Fixup minor doc formatting issues	15 years ago
perf-buildid-cache.txt	perf inject: Add missing bits	15 years ago
perf-buildid-list.txt	…
perf-diff.txt	perf tools: Fixup minor doc formatting issues	15 years ago
perf-help.txt	…
perf-inject.txt	perf inject: Add missing bits	15 years ago
perf-kmem.txt	perf tools: Fixup minor doc formatting issues	15 years ago
perf-kvm.txt	perf: Some perf-kvm documentation edits	15 years ago
perf-list.txt	perf list: Improve the raw hw event descriptor documentation	15 years ago
perf-lock.txt	perf lock: Fix and add misc documentally things	15 years ago
perf-probe.txt	perf probe: Add --max-probes option	15 years ago
perf-record.txt	perf tools: change event inheritance logic in stat and record	15 years ago
perf-report.txt	…
perf-sched.txt	perf: cleanup some Documentation	15 years ago
perf-stat.txt	perf stat: add perf stat -B to pretty print large numbers	15 years ago
perf-test.txt	perf test: Initial regression testing command	15 years ago
perf-timechart.txt	…
perf-top.txt	perf top: Teach it to autolocate vmlinux	15 years ago
perf-trace-perl.txt	perf: Remove leftover useless options to record trace events from scripts	15 years ago
perf-trace-python.txt	perf trace scripts: Fix typos in perf-trace-python.txt	15 years ago
perf-trace.txt	perf tools: Fixup minor doc formatting issues	15 years ago
perf.txt	…