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Diffstat (limited to 'tools/perf/Documentation/perf-kmem.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-kmem.txt | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/tools/perf/Documentation/perf-kmem.txt b/tools/perf/Documentation/perf-kmem.txt index 479fc3261a50..f378ac59353d 100644 --- a/tools/perf/Documentation/perf-kmem.txt +++ b/tools/perf/Documentation/perf-kmem.txt @@ -8,22 +8,29 @@ perf-kmem - Tool to trace/measure kernel memory properties SYNOPSIS -------- [verse] -'perf kmem' {record|stat} [<options>] +'perf kmem' [<options>] {record|stat} DESCRIPTION ----------- There are two variants of perf kmem: - 'perf kmem record <command>' to record the kmem events - of an arbitrary workload. + 'perf kmem [<options>] record [<perf-record-options>] <command>' to + record the kmem events of an arbitrary workload. Additional 'perf + record' options may be specified after record, such as '-o' to + change the output file name. - 'perf kmem stat' to report kernel memory statistics. + 'perf kmem [<options>] stat' to report kernel memory statistics. OPTIONS ------- -i <file>:: --input=<file>:: - Select the input file (default: perf.data unless stdin is a fifo) + For stat, select the input file (default: perf.data unless stdin is a + fifo) + +-f:: +--force:: + Don't do ownership validation -v:: --verbose:: @@ -61,7 +68,7 @@ OPTIONS default, but this option shows live (currently allocated) pages instead. (This option works with --page option only) ---time:: +--time=<start>,<stop>:: Only analyze samples within given time window: <start>,<stop>. Times have the format seconds.microseconds. If start is not given (i.e., time string is ',x.y') then analysis starts at the beginning of the file. If |