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authorJiri Olsa <jolsa@kernel.org>2015-04-07 23:25:16 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-04-29 10:38:05 -0300
commit9f71b4f39d7c01cae9d80e938774ff6b0a9bfd80 (patch)
treea147cdef5c3aa13d307a25259781a7d87e9ee443 /tools/perf/builtin-stat.c
parenta0aa21e2281f89a197ad8e7bd8008f3b7b735dfc (diff)
downloadlinux-9f71b4f39d7c01cae9d80e938774ff6b0a9bfd80.tar.gz
perf stat: Change metrics context calculation
Changing metrics context calculation to allow more than 2 types of
context.

Following patches will add support for the rest of the exclude_* bits so
we need separate array element for all context combinations.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: William Cohen <wcohen@redhat.com>
Link: http://lkml.kernel.org/r/1428441919-23099-4-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-stat.c')
-rw-r--r--tools/perf/builtin-stat.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 52f433084779..cca100dc5fd0 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -247,9 +247,13 @@ out_free:
 	return -1;
 }
 
-#define NUM_CTX 3
+enum {
+	CTX_BIT_USER	= 1 << 0,
+	CTX_BIT_KERNEL	= 1 << 1,
+	CTX_BIT_MAX	= 1 << 2,
+};
 
-enum { CTX_USER, CTX_KERNEL, CTX_ALL };
+#define NUM_CTX CTX_BIT_MAX
 
 static struct stats runtime_nsecs_stats[MAX_NR_CPUS];
 static struct stats runtime_cycles_stats[NUM_CTX][MAX_NR_CPUS];
@@ -269,12 +273,13 @@ static struct stats runtime_elision_stats[NUM_CTX][MAX_NR_CPUS];
 
 static int evsel_context(struct perf_evsel *evsel)
 {
+	int ctx = 0;
+
 	if (evsel->attr.exclude_kernel)
-		return CTX_USER;
+		ctx |= CTX_BIT_KERNEL;
 	if (evsel->attr.exclude_user)
-		return CTX_KERNEL;
-	/* Handle hypervisor too? */
-	return CTX_ALL;
+		ctx |= CTX_BIT_USER;
+	return ctx;
 }
 
 static void perf_stat__reset_stats(struct perf_evlist *evlist)