linux-kernel - [PATCH 05/20] perf tools: Introduce perf_evsel_

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Date:	Mon, 11 Aug 2014 10:49:59 +0200
From:	Jiri Olsa <jolsa@...nel.org>
To:	linux-kernel@...r.kernel.org
Cc:	Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Jean Pihet <jean.pihet@...aro.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: [PATCH 05/20] perf tools: Introduce perf_evsel__fd function

I'm about to make the fd entry more complex, so adding
perf_evsel__fd helper to keep the FD macro sane.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jean Pihet <jean.pihet@...aro.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/util/evlist.c | 2 +-
 tools/perf/util/evsel.c  | 2 +-
 tools/perf/util/evsel.h  | 5 +++++
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 3b366c085021..4e0f0670b655 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -25,7 +25,7 @@
 #include <linux/bitops.h>
 #include <linux/hash.h>
 
-#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
+#define FD(e, x, y) (*perf_evsel__fd(e, x, y))
 #define SID(e, x, y) xyarray__entry(e->sample_id, x, y)
 
 void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 0c8919decac8..1ec1a7ec1cfb 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -32,7 +32,7 @@ static struct {
 	bool cloexec;
 } perf_missing_features;
 
-#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
+#define FD(e, x, y) (*perf_evsel__fd(e, x, y))
 
 int __perf_evsel__sample_size(u64 sample_type)
 {
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index d7f93ce0ebc1..fe8794fa73ed 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -364,4 +364,9 @@ for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); 	\
      (_evsel) && (_evsel)->leader == (_leader);					\
      (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
 
+static inline int *perf_evsel__fd(struct perf_evsel *evsel, int cpu, int thread)
+{
+	return (int *) xyarray__entry(evsel->fd, cpu, thread);
+}
+
 #endif /* __PERF_EVSEL_H */
-- 
1.8.3.1

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