diff options
Diffstat (limited to 'tools/perf/builtin-top.c')
| -rw-r--r-- | tools/perf/builtin-top.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 37512e93623..e23bc74e734 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -686,6 +686,8 @@ static void handle_keypress(int c) switch (c) { case 'd': prompt_integer(&delay_secs, "Enter display delay"); + if (delay_secs < 1) + delay_secs = 1; break; case 'e': prompt_integer(&print_entries, "Enter display entries (lines)"); @@ -1025,7 +1027,7 @@ try_again: if (fd[i][counter] < 0) { int err = errno; - if (err == EPERM) + if (err == EPERM || err == EACCES) die("No permission - are you root?\n"); /* * If it's cycles then fall back to hrtimer |