perf stat: Fix verbose for perf stat

[safe/jmp/linux-2.6] / tools / perf / builtin-stat.c

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 6d3eeac..5e04fcc 100644 (file)
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -109,6 +109,10 @@ static u64                 walltime_nsecs_noise;
 static u64                     runtime_cycles_avg;
 static u64                     runtime_cycles_noise;
 
+
+#define ERR_PERF_OPEN \
+"Error: counter %d, sys_perf_counter_open() syscall returned with %d (%s)\n"
+
 static void create_perf_stat_counter(int counter)
 {
        struct perf_counter_attr *attr = attrs + counter;
@@ -119,20 +123,20 @@ static void create_perf_stat_counter(int counter)
 
        if (system_wide) {
                int cpu;
-               for (cpu = 0; cpu < nr_cpus; cpu ++) {
+               for (cpu = 0; cpu < nr_cpus; cpu++) {
                        fd[cpu][counter] = sys_perf_counter_open(attr, -1, cpu, -1, 0);
-                       if (fd[cpu][counter] < 0 && verbose) {
-                               printf("Error: counter %d, sys_perf_counter_open() syscall returned with %d (%s)\n", counter, fd[cpu][counter], strerror(errno));
-                       }
+                       if (fd[cpu][counter] < 0 && verbose)
+                               fprintf(stderr, ERR_PERF_OPEN, counter,
+                                       fd[cpu][counter], strerror(errno));
                }
        } else {
                attr->inherit   = inherit;
                attr->disabled  = 1;
 
                fd[0][counter] = sys_perf_counter_open(attr, 0, -1, -1, 0);
-               if (fd[0][counter] < 0 && verbose) {
-                       printf("Error: counter %d, sys_perf_counter_open() syscall returned with %d (%s)\n", counter, fd[0][counter], strerror(errno));
-               }
+               if (fd[0][counter] < 0 && verbose)
+                       fprintf(stderr, ERR_PERF_OPEN, counter,
+                               fd[0][counter], strerror(errno));
        }
 }
 
@@ -168,7 +172,7 @@ static void read_counter(int counter)
        count[0] = count[1] = count[2] = 0;
 
        nv = scale ? 3 : 1;
-       for (cpu = 0; cpu < nr_cpus; cpu ++) {
+       for (cpu = 0; cpu < nr_cpus; cpu++) {
                if (fd[cpu][counter] < 0)
                        continue;