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
..
Documentation	perf stat: add perf stat -B to pretty print large numbers	15 years ago
arch	…
bench	perf options: Check v type in OPT_U?INTEGER	15 years ago
scripts	perf/trace/scripting: syscall-counts script cleanup	15 years ago
util	perf tui: Fix build problem with slang <= 2.0.6	15 years ago
.gitignore	…
CREDITS	…
Makefile	perf tools: Add mode to build without newt support	15 years ago
builtin-annotate.c	perf hist: Make event__totals per hists	15 years ago
builtin-bench.c	perf options: Type check all the remaining OPT_ variants	15 years ago
builtin-buildid-cache.c	…
builtin-buildid-list.c	perf: add perf-inject builtin	15 years ago
builtin-diff.c	perf report: Report number of events, not samples	15 years ago
builtin-help.c	perf options: Type check all the remaining OPT_ variants	15 years ago
builtin-inject.c	perf inject: Add missing bits	15 years ago
builtin-kmem.c	perf: add perf-inject builtin	15 years ago
builtin-kvm.c	perf options: Type check all the remaining OPT_ variants	15 years ago
builtin-list.c	…
builtin-lock.c	perf options: Type check OPT_BOOLEAN and fix the offenders	15 years ago
builtin-probe.c	…
builtin-record.c	perf options: Check v type in OPT_U?INTEGER	15 years ago
builtin-report.c	perf options: Type check all the remaining OPT_ variants	15 years ago
builtin-sched.c	perf options: Type check all the remaining OPT_ variants	15 years ago
builtin-stat.c	perf stat: add perf stat -B to pretty print large numbers	15 years ago
builtin-test.c	perf options: Type check OPT_BOOLEAN and fix the offenders	15 years ago
builtin-timechart.c	perf: add perf-inject builtin	15 years ago
builtin-top.c	perf options: Type check all the remaining OPT_ variants	15 years ago
builtin-trace.c	perf hist: Clarify events_stats fields usage	15 years ago
builtin.h	perf: add perf-inject builtin	15 years ago
command-list.txt	perf inject: Add missing bits	15 years ago
design.txt	…
perf-archive.sh	…
perf.c	perf: add perf-inject builtin	15 years ago
perf.h	perf options: Type check OPT_BOOLEAN and fix the offenders	15 years ago