Messages in this thread Patch in this message |  | | From | Dongsheng Yang <> | Subject | [PATCH 3/5] perf tools: Update the Document for perf kvm record for new behavior. | Date | Wed, 4 Dec 2013 17:56:41 -0500 |
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As we have changed the default behavior of perf kvm to --guest enabled, the document about perf kvm record is outdated. This patch update it to show the correct output with --host/--guest/neither/both of them.
Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com> --- tools/perf/Documentation/perf-kvm.txt | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/tools/perf/Documentation/perf-kvm.txt b/tools/perf/Documentation/perf-kvm.txt index 6a06cef..830613a 100644 --- a/tools/perf/Documentation/perf-kvm.txt +++ b/tools/perf/Documentation/perf-kvm.txt @@ -24,10 +24,17 @@ There are a couple of variants of perf kvm: of an arbitrary workload. 'perf kvm record <command>' to record the performance counter profile - of an arbitrary workload and save it into a perf data file. If both - --host and --guest are input, the perf data file name is perf.data.kvm. - If there is no --host but --guest, the file name is perf.data.guest. - If there is no --guest but --host, the file name is perf.data.host. + of an arbitrary workload and save it into a perf data file. We set the + default behavior of perf kvm as --guest, so if neither --host nor --guest + is input, the perf data file name is perf.data.guest. If --host is input, + the perf data file name is perf.data.kvm. If you want to record data into + perf.data.host, please input --host --no-guest. The behaviors are shown as + following: + Default('') -> perf.data.guest + --host -> perf.data.kvm + --guest -> perf.data.guest + --host --guest -> perf.data.kvm + --host --no-guest -> perf.data.host 'perf kvm report' to display the performance counter profile information recorded via perf kvm record. -- 1.8.2.1
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