From: Jiri Olsa <[email protected]>

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 <[email protected]>
Acked-by: Namhyung Kim <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: William Cohen <[email protected]>
Link: 
http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/builtin-stat.c | 17 +++++++++++------
 1 file 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)
-- 
1.9.3

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