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authorZhang, Yanmin <yanmin_zhang@linux.intel.com>2010-04-19 13:32:50 +0800
committerAvi Kivity <avi@redhat.com>2010-04-19 12:37:24 +0300
commita1645ce12adb6c9cc9e19d7695466204e3f017fe (patch)
tree5d31aaaf534997e6e9cebc07f38eca35f76986cf /tools/perf/builtin-diff.c
parentff9d07a0e7ce756a183e7c2e483aec452ee6b574 (diff)
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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>
Diffstat (limited to 'tools/perf/builtin-diff.c')
-rw-r--r--tools/perf/builtin-diff.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 3a1d94d75dc..207e860591e 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -33,7 +33,7 @@ static int perf_session__add_hist_entry(struct perf_session *self,
return -ENOMEM;
if (hit)
- he->count += count;
+ __perf_session__add_count(he, al, count);
return 0;
}
@@ -225,6 +225,10 @@ int cmd_diff(int argc, const char **argv, const char *prefix __used)
input_new = argv[1];
} else
input_new = argv[0];
+ } else if (symbol_conf.default_guest_vmlinux_name ||
+ symbol_conf.default_guest_kallsyms) {
+ input_old = "perf.data.host";
+ input_new = "perf.data.guest";
}
symbol_conf.exclude_other = false;