diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Documentation/perf-trace.txt | 6 | ||||
| -rw-r--r-- | tools/perf/builtin-trace.c | 12 |
2 files changed, 12 insertions, 6 deletions
diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt index 2794efce47a1..cb3371eb597d 100644 --- a/tools/perf/Documentation/perf-trace.txt +++ b/tools/perf/Documentation/perf-trace.txt @@ -23,6 +23,7 @@ analysis phases. OPTIONS ------- +-a:: --all-cpus:: System-wide collection from all CPUs. @@ -38,18 +39,23 @@ OPTIONS --pid=:: Record events on existing process ID (comma separated list). +-t:: --tid=:: Record events on existing thread ID (comma separated list). +-u:: --uid=:: Record events in threads owned by uid. Name or number. +-i:: --no-inherit:: Child tasks do not inherit counters. +-m:: --mmap-pages=:: Number of mmap data pages. Must be a power of two. +-C:: --cpu:: Collect samples only on the list of CPUs provided. Multiple CPUs can be provided as a comma-separated list with no space: 0,1. Ranges of CPUs are specified with -: 0-2. diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 42353165472a..9891d8cdb73d 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -693,17 +693,17 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) OPT_STRING('o', "output", &output_name, "file", "output file name"), OPT_STRING('p', "pid", &trace.opts.target.pid, "pid", "trace events on existing process id"), - OPT_STRING(0, "tid", &trace.opts.target.tid, "tid", + OPT_STRING('t', "tid", &trace.opts.target.tid, "tid", "trace events on existing thread id"), - OPT_BOOLEAN(0, "all-cpus", &trace.opts.target.system_wide, + OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide, "system-wide collection from all CPUs"), - OPT_STRING(0, "cpu", &trace.opts.target.cpu_list, "cpu", + OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu", "list of cpus to monitor"), - OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit, + OPT_BOOLEAN('i', "no-inherit", &trace.opts.no_inherit, "child tasks do not inherit counters"), - OPT_UINTEGER(0, "mmap-pages", &trace.opts.mmap_pages, + OPT_UINTEGER('m', "mmap-pages", &trace.opts.mmap_pages, "number of mmap data pages"), - OPT_STRING(0, "uid", &trace.opts.target.uid_str, "user", + OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user", "user to profile"), OPT_CALLBACK(0, "duration", &trace, "float", "show only events with duration > N.M ms", |
