These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / tools / perf / Documentation / perf-kmem.txt

diff --git a/kernel/tools/perf/Documentation/perf-kmem.txt b/kernel/tools/perf/Documentation/perf-kmem.txt
index 23219c6..ff0f433 100644 (file)
--- 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]