diff options
Diffstat (limited to 'tools/perf/Documentation/perf-kvm.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-kvm.txt | 25 |
1 files changed, 5 insertions, 20 deletions
diff --git a/tools/perf/Documentation/perf-kvm.txt b/tools/perf/Documentation/perf-kvm.txt index 83c742adf86e..2ad3f5d9f72b 100644 --- a/tools/perf/Documentation/perf-kvm.txt +++ b/tools/perf/Documentation/perf-kvm.txt @@ -77,26 +77,11 @@ OPTIONS Collect host side performance profile. --guest:: Collect guest side performance profile. ---guestmount=<path>:: - Guest os root file system mount directory. Users mounts guest os - root directories under <path> by a specific filesystem access method, - typically, sshfs. For example, start 2 guest os. The one's pid is 8888 - and the other's is 9999. - #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 kvm --host --guest --guestmount=~/guestmount top ---guestkallsyms=<path>:: - Guest os /proc/kallsyms file copy. 'perf' kvm' reads it to get guest - kernel symbols. Users copy it out from guest os. ---guestmodules=<path>:: - Guest os /proc/modules file copy. 'perf' kvm' reads it to get guest - kernel module information. Users copy it out from guest os. ---guestvmlinux=<path>:: - Guest os kernel vmlinux. ---guest-code:: - Indicate that guest code can be found in the hypervisor process, - which is a common case for KVM test programs. + +:GMEXAMPLECMD: kvm --host --guest +:GMEXAMPLESUBCMD: top +include::guest-files.txt[] + -v:: --verbose:: Be more verbose (show counter open errors, etc). |