diff options
Diffstat (limited to 'tools/perf/Documentation/perf-record.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index d460049cae8e..af9a54ece024 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -146,7 +146,7 @@ the thread executes on the designated CPUs. Default is to monitor all CPUs. -N:: --no-buildid-cache:: -Do not update the builid cache. This saves some overhead in situations +Do not update the buildid cache. This saves some overhead in situations where the information in the perf.data file (which includes buildids) is sufficient. @@ -214,6 +214,12 @@ if combined with -a or -C options. After starting the program, wait msecs before measuring. This is useful to filter out the startup phase of the program, which is often very different. +-I:: +--intr-regs:: +Capture machine state (registers) at interrupt, i.e., on counter overflows for +each sample. List of captured registers depends on the architecture. This option +is off by default. + SEE ALSO -------- linkperf:perf-stat[1], linkperf:perf-list[1] |