diff options
Diffstat (limited to 'tools/perf/builtin-top.c')
| -rw-r--r-- | tools/perf/builtin-top.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 1f8c97d5c32..be1698f1189 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -551,10 +551,6 @@ try_again: if (fd[i][counter] < 0) { int err = errno; - if (verbose) - error("sys_perf_counter_open() syscall returned with %d (%s)\n", - fd[i][counter], strerror(err)); - if (err == EPERM) die("No permission - are you root?\n"); /* @@ -572,6 +568,10 @@ try_again: attr->config = PERF_COUNT_CPU_CLOCK; goto try_again; } + printf("\n"); + error("perfcounter syscall returned with %d (%s)\n", + fd[i][counter], strerror(err)); + die("No CONFIG_PERF_COUNTERS=y kernel support configured?\n"); exit(-1); } assert(fd[i][counter] >= 0); |