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Diffstat (limited to 'kernel/tools/perf/Documentation/perf-kmem.txt')
| -rw-r--r-- | kernel/tools/perf/Documentation/perf-kmem.txt | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/kernel/tools/perf/Documentation/perf-kmem.txt b/kernel/tools/perf/Documentation/perf-kmem.txt new file mode 100644 index 000000000..23219c65c --- /dev/null +++ b/kernel/tools/perf/Documentation/perf-kmem.txt @@ -0,0 +1,57 @@ +perf-kmem(1) +============ + +NAME +---- +perf-kmem - Tool to trace/measure kernel memory properties + +SYNOPSIS +-------- +[verse] +'perf kmem' {record|stat} [<options>] + +DESCRIPTION +----------- +There are two variants of perf kmem: + + 'perf kmem record <command>' to record the kmem events + of an arbitrary workload. + + 'perf kmem stat' to report kernel memory statistics. + +OPTIONS +------- +-i <file>:: +--input=<file>:: + Select the input file (default: perf.data unless stdin is a fifo) + +-v:: +--verbose:: + Be more verbose. (show symbol address, etc) + +--caller:: + Show per-callsite statistics + +--alloc:: + Show 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 + +--slab:: + Analyze SLAB allocator events. + +--page:: + Analyze page allocator events + +SEE ALSO +-------- +linkperf:perf-record[1] |