mirror of
https://github.com/adulau/aha.git
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3a4b8cc70b
[acme@emilia ~]$ perf record find / > /dev/null 2>&1
[acme@emilia ~]$ perf stat perf report | head -20
4.95 find [k] 0xffffffff81393d65 _spin_lock
3.89 find [.] 0x000000000000af89 /usr/bin/find: <unknown>
2.19 find [k] 0xffffffffa00518e0 ext3fs_dirhash
1.87 find [k] 0xffffffff810a6cea __rcu_read_lock
1.86 find [k] 0xffffffff811c7312 _atomic_dec_and_lock
1.86 find [.] 0x00000000000782ab /lib64/libc-2.5.so: __GI_strlen
1.85 find [k] 0xffffffff810fedfb __kmalloc
1.62 find [.] 0x00000000000430ff /lib64/libc-2.5.so: vfprintf
1.59 find [k] 0xffffffff810a6d6d __rcu_read_unlock
1.55 find [k] 0xffffffff81119395 __d_lookup
1.39 find [.] 0x0000000000071b40 /lib64/libc-2.5.so: _int_malloc
1.30 find [k] 0xffffffffa031c4fc nfs_do_filldir
1.21 find [k] 0xffffffff811876a5 avc_has_perm_noaudit
1.15 find [k] 0xffffffff810fef62 kmem_cache_alloc
1.07 find [k] 0xffffffff811d03fb copy_user_generic_string
1.03 find [k] 0xffffffffa0043882 ext3_htree_store_dirent
0.99 find [k] 0xffffffff81393ebb _spin_lock_bh
0.98 find [k] 0xffffffffa03319a2 nfs3_decode_dirent
0.97 find [k] 0xffffffff8100bf20 system_call
0.92 find [k] 0xffffffff8139437e _spin_unlock
Performance counter stats for 'perf':
244.278972 task clock ticks (msecs)
8 context switches (events)
9 CPU migrations (events)
2104 pagefaults (events)
35329669 CPU cycles (events) (scaled from 75.40%)
13740366 instructions (events) (scaled from 75.49%)
59073 cache references (events) (scaled from 24.60%)
196 cache misses (events) (scaled from 24.51%)
Wall-clock time elapsed: 246.060717 msecs
[acme@emilia ~]$
[acme@emilia ~]$ grep "model name" /proc/cpuinfo | head -1
model name : Intel(R) Xeon(R) CPU E5405 @ 2.00GHz
[acme@emilia ~]$ grep "model name" /proc/cpuinfo | wc -l
8
[acme@emilia ~]$
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20090526191904.GH4424@ghostprotocols.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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|---|---|---|
| .. | ||
| Documentation | ||
| util | ||
| .gitignore | ||
| builtin-help.c | ||
| builtin-record.c | ||
| builtin-report.c | ||
| builtin-stat.c | ||
| builtin-top.c | ||
| builtin.h | ||
| command-list.txt | ||
| design.txt | ||
| Makefile | ||
| perf.c | ||
| perf.h | ||