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-rw-r--r--tools/perf/builtin-top.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 8f80df896038..dd162aa24baa 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -89,8 +89,6 @@ void get_term_dimensions(struct winsize *ws)
static void perf_top__update_print_entries(struct perf_top *top)
{
- top->print_entries = top->winsize.ws_row;
-
if (top->print_entries > 9)
top->print_entries -= 9;
}
@@ -100,6 +98,13 @@ static void perf_top__sig_winch(int sig __used, siginfo_t *info __used, void *ar
struct perf_top *top = arg;
get_term_dimensions(&top->winsize);
+ if (!top->print_entries
+ || (top->print_entries+4) > top->winsize.ws_row) {
+ top->print_entries = top->winsize.ws_row;
+ } else {
+ top->print_entries += 4;
+ top->winsize.ws_row = top->print_entries;
+ }
perf_top__update_print_entries(top);
}
@@ -453,8 +458,10 @@ static void perf_top__handle_keypress(struct perf_top *top, int c)
};
perf_top__sig_winch(SIGWINCH, NULL, top);
sigaction(SIGWINCH, &act, NULL);
- } else
+ } else {
+ perf_top__sig_winch(SIGWINCH, NULL, top);
signal(SIGWINCH, SIG_DFL);
+ }
break;
case 'E':
if (top->evlist->nr_entries > 1) {