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| author |   Li Zefan <lizf@cn.fujitsu.com> | 2009-11-24 13:27:11 +0800 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2009-11-24 08:49:51 +0100 |
| commit | b23d5767a5818caec8547d0bce1588b02bdecd30 (patch) | |
| tree | ce8d24b0df6421f5577977ec904cf8d37c9bc774 /tools | |
| parent | perf kmem: Measure kmalloc/kfree CPU ping-pong call-sites (diff) | |
| download | linux-dev-b23d5767a5818caec8547d0bce1588b02bdecd30.tar.xz linux-dev-b23d5767a5818caec8547d0bce1588b02bdecd30.zip | |
perf kmem: Add help file
Add Documentation/perf-kmem.txt
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: linux-mm@kvack.org <linux-mm@kvack.org>
LKML-Reference: <4B0B6EAF.80802@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/Documentation/perf-kmem.txt | 44 | ||||
| -rw-r--r-- | tools/perf/command-list.txt | 1 |
2 files changed, 45 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-kmem.txt b/tools/perf/Documentation/perf-kmem.txt new file mode 100644 index 000000000000..44b0ce35c28a --- /dev/null +++ b/tools/perf/Documentation/perf-kmem.txt @@ -0,0 +1,44 @@ +perf-kmem(1) +============== + +NAME +---- +perf-kmem - Tool to trace/measure kernel memory(slab) properties + +SYNOPSIS +-------- +[verse] +'perf kmem' {record} [<options>] + +DESCRIPTION +----------- +There's two variants of perf kmem: + + 'perf kmem record <command>' to record the kmem events + of an arbitrary workload. + + 'perf kmem' to report kernel memory statistics. + +OPTIONS +------- +-i <file>:: +--input=<file>:: + Select the input file (default: perf.data) + +--stat=<caller|alloc>:: + Select per callsite or per allocation statistics + +-s <key[,key2...]>:: +--sort=<key[,key2...]>:: + Sort the output (default: frag,hit,bytes) + +-l <num>:: +--line=<num>:: + Print n lines only + +--raw-ip:: + Print raw ip instead of symbol + +SEE ALSO +-------- +linkperf:perf-record[1] diff --git a/tools/perf/command-list.txt b/tools/perf/command-list.txt index d3a6e18e4a5e..02b09ea17a3e 100644 --- a/tools/perf/command-list.txt +++ b/tools/perf/command-list.txt @@ -14,3 +14,4 @@ perf-timechart mainporcelain common perf-top mainporcelain common perf-trace mainporcelain common perf-probe mainporcelain common +perf-kmem mainporcelain common |