1 files changed, 3 insertions, 1 deletions

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 37512e936235..e23bc74e734f 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