diff options
Diffstat (limited to 'kernel/tools/perf/Documentation/perf-kmem.txt')
| -rw-r--r-- | kernel/tools/perf/Documentation/perf-kmem.txt | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/kernel/tools/perf/Documentation/perf-kmem.txt b/kernel/tools/perf/Documentation/perf-kmem.txt index 23219c65c..ff0f433b3 100644 --- a/kernel/tools/perf/Documentation/perf-kmem.txt +++ b/kernel/tools/perf/Documentation/perf-kmem.txt @@ -37,7 +37,11 @@ OPTIONS -s <key[,key2...]>:: --sort=<key[,key2...]>:: - Sort the output (default: frag,hit,bytes) + Sort the output (default: 'frag,hit,bytes' for slab and 'bytes,hit' + for page). Available sort keys are 'ptr, callsite, bytes, hit, + pingpong, frag' for slab and 'page, callsite, bytes, hit, order, + migtype, gfp' for page. This option should be preceded by one of the + mode selection options - i.e. --slab, --page, --alloc and/or --caller. -l <num>:: --line=<num>:: @@ -52,6 +56,11 @@ OPTIONS --page:: Analyze page allocator events +--live:: + Show live page stat. The perf kmem shows total allocation stat by + default, but this option shows live (currently allocated) pages + instead. (This option works with --page option only) + SEE ALSO -------- linkperf:perf-record[1] |