diff options
Diffstat (limited to 'tools/perf/Documentation/perf-top.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-top.txt | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index 6a118e71d00..7de01dd7968 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -68,7 +68,9 @@ Default is to monitor all CPUS. -m <pages>:: --mmap-pages=<pages>:: - Number of mmapped data pages. + Number of mmap data pages (must be a power of two) or size + specification with appended unit character - B/K/M/G. The + size is rounded up to have nearest pages power of two value. -p <pid>:: --pid=<pid>:: @@ -112,7 +114,8 @@ Default is to monitor all CPUS. -s:: --sort:: - Sort by key(s): pid, comm, dso, symbol, parent, srcline, weight, local_weight. + Sort by key(s): pid, comm, dso, symbol, parent, srcline, weight, + local_weight, abort, in_tx, transaction -n:: --show-nr-samples:: @@ -147,6 +150,14 @@ Default is to monitor all CPUS. Setup and enable call-graph (stack chain/backtrace) recording, implies -G. +--max-stack:: + Set the stack depth limit when parsing the callchain, anything + beyond the specified depth will be ignored. This is a trade-off + between information loss and faster processing especially for + workloads that can have a very long callchain stack. + + Default: 127 + --ignore-callees=<regex>:: Ignore callees of the function(s) matching the given regex. This has the effect of collecting the callers of each such |