[PATCH 3.2 30/87] perf tools: Fix getrusage() related buildfailure on glibc trunk

[Ben Hutchings]

3.2.53-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Markus Trippelsdorf <markus@xxxxxxxxxxxxxxx>

commit 7b78f13603c6fcb64e020a0bbe31a651ea2b657b upstream.

On a system running glibc trunk perf doesn't build:

    CC builtin-sched.o
builtin-sched.c: In function âget_cpu_usage_nsec_parentâ: builtin-sched.c:399:16: error: storage size of âruâ isnât known builtin-sched.c:403:2: error: implicit declaration of function âgetrusageâ [-Werror=implicit-function-declaration]
    [...]

Fix it by including sys/resource.h.

Signed-off-by: Markus Trippelsdorf <markus@xxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/20120404084527.GA294@x4
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
 tools/perf/builtin-sched.c | 1 +
 1 file changed, 1 insertion(+)

--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -14,6 +14,7 @@
 #include "util/debug.h"
 
 #include <sys/prctl.h>
+#include <sys/resource.h>
 
 #include <semaphore.h>
 #include <pthread.h>

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