perf kvm: Do guest-only counting by default
Make use of exclude_guest and exlude_host in perf-kvm to do only
guest-only counting by default.
Cc: Gleb Natapov <gleb@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
[ committer note: Moved perf_{guest,host} & event_attr_init to util.c ]
[ so as not to drag more stuff to the python binding]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 032324a..9fc6e0f 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -22,9 +22,6 @@
static const char *file_name;
static char name_buffer[256];
-bool perf_host = 1;
-bool perf_guest;
-
static const char * const kvm_usage[] = {
"perf kvm [<options>] {top|record|report|diff|buildid-list}",
NULL
@@ -107,7 +104,8 @@
int cmd_kvm(int argc, const char **argv, const char *prefix __used)
{
- perf_host = perf_guest = 0;
+ perf_host = 0;
+ perf_guest = 1;
argc = parse_options(argc, argv, kvm_options, kvm_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index fa18370..3f16e08 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -111,8 +111,11 @@
.type = PERF_TYPE_HARDWARE,
.config = PERF_COUNT_HW_CPU_CYCLES,
};
- struct perf_evsel *evsel = perf_evsel__new(&attr, 0);
+ struct perf_evsel *evsel;
+ event_attr_init(&attr);
+
+ evsel = perf_evsel__new(&attr, 0);
if (evsel == NULL)
goto error;
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 531c283..dcf999c 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -838,6 +838,7 @@
for (;;) {
ostr = str;
memset(&attr, 0, sizeof(attr));
+ event_attr_init(&attr);
ret = parse_event_symbols(evlist, &str, &attr);
if (ret == EVT_FAILED)
return -1;
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 5b3ea49..8131410 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -1,6 +1,21 @@
+#include "../perf.h"
#include "util.h"
#include <sys/mman.h>
+/*
+ * XXX We need to find a better place for these things...
+ */
+bool perf_host = true;
+bool perf_guest = true;
+
+void event_attr_init(struct perf_event_attr *attr)
+{
+ if (!perf_host)
+ attr->exclude_host = 1;
+ if (!perf_guest)
+ attr->exclude_guest = 1;
+}
+
int mkdir_p(char *path, mode_t mode)
{
struct stat st;
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 37be34d..b9c530c 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -242,6 +242,10 @@
unsigned long convert_unit(unsigned long value, char *unit);
int readn(int fd, void *buf, size_t size);
+struct perf_event_attr;
+
+void event_attr_init(struct perf_event_attr *attr);
+
#define _STR(x) #x
#define STR(x) _STR(x)