perf: 'perf kvm' tool for monitoring guest performance from host
Here is the patch of userspace perf tool.
Signed-off-by: Zhang Yanmin <yanmin_zhang@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 7da5fb3..816edae 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -108,7 +108,7 @@
return -ENOMEM;
if (hit)
- he->count += data->period;
+ __perf_session__add_count(he, al, data->period);
if (symbol_conf.use_callchain) {
if (!hit)
@@ -313,7 +313,7 @@
perf_session__fprintf(session, stdout);
if (verbose > 2)
- dsos__fprintf(stdout);
+ dsos__fprintf(&session->kerninfo_root, stdout);
next = rb_first(&session->stats_by_id);
while (next) {
@@ -450,6 +450,8 @@
"sort by key(s): pid, comm, dso, symbol, parent"),
OPT_BOOLEAN('P', "full-paths", &symbol_conf.full_paths,
"Don't shorten the pathnames taking into account the cwd"),
+ OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
+ "Show sample percentage for different cpu modes"),
OPT_STRING('p', "parent", &parent_pattern, "regex",
"regex filter to identify parent, see: '--sort parent'"),
OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
