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authorIngo Molnar <mingo@elte.hu>2010-04-02 20:02:55 +0200
committerIngo Molnar <mingo@elte.hu>2010-04-02 20:03:08 +0200
commitc9494727cf293ae2ec66af57547a3e79c724fec2 (patch)
tree44ae197b64fa7530ee695a90ad31326dda06f1e1 /tools/perf/builtin-stat.c
parent6427462bfa50f50dc6c088c07037264fcc73eca1 (diff)
parent42be79e37e264557f12860fa4cc84b4de3685954 (diff)
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Merge branch 'linus' into sched/core
Merge reason: update to latest upstream Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/builtin-stat.c')
-rw-r--r--tools/perf/builtin-stat.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index e8c85d5aec4..95db31cff6f 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -45,6 +45,7 @@
#include "util/event.h"
#include "util/debug.h"
#include "util/header.h"
+#include "util/cpumap.h"
#include <sys/prctl.h>
#include <math.h>
@@ -151,7 +152,7 @@ static void create_perf_stat_counter(int counter, int pid)
unsigned int cpu;
for (cpu = 0; cpu < nr_cpus; cpu++) {
- fd[cpu][counter] = sys_perf_event_open(attr, -1, cpu, -1, 0);
+ fd[cpu][counter] = sys_perf_event_open(attr, -1, cpumap[cpu], -1, 0);
if (fd[cpu][counter] < 0 && verbose)
fprintf(stderr, ERR_PERF_OPEN, counter,
fd[cpu][counter], strerror(errno));
@@ -519,9 +520,10 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
nr_counters = ARRAY_SIZE(default_attrs);
}
- nr_cpus = sysconf(_SC_NPROCESSORS_ONLN);
- assert(nr_cpus <= MAX_NR_CPUS);
- assert((int)nr_cpus >= 0);
+ if (system_wide)
+ nr_cpus = read_cpu_map();
+ else
+ nr_cpus = 1;
/*
* We dont want to block the signals - that would cause