diff options
| -rw-r--r-- | tools/perf/Documentation/perf-script.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 4c95e79e2c39..48ee42a891b6 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -487,6 +487,29 @@ include::itrace.txt[] For itrace only show specified functions and their callees for itrace. Multiple functions can be separated by comma. +--guestmount=<path>:: + Guest OS root file system mount directory. Users mount guest OS + root directories under <path> by a specific filesystem access method, + typically, sshfs. + For example, start 2 guest OS, one's pid is 8888 and the other's is 9999: +[verse] + $ mkdir \~/guestmount + $ cd \~/guestmount + $ sshfs -o allow_other,direct_io -p 5551 localhost:/ 8888/ + $ sshfs -o allow_other,direct_io -p 5552 localhost:/ 9999/ + $ perf script --guestmount=~/guestmount + +--guestkallsyms=<path>:: + Guest OS /proc/kallsyms file copy. perf reads it to get guest + kernel symbols. Users copy it out from guest OS. + +--guestmodules=<path>:: + Guest OS /proc/modules file copy. perf reads it to get guest + kernel module information. Users copy it out from guest OS. + +--guestvmlinux=<path>:: + Guest OS kernel vmlinux. + --switch-on EVENT_NAME:: Only consider events after this event is found. |