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Diffstat (limited to 'tools/perf/builtin-top.c')
-rw-r--r--tools/perf/builtin-top.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 4a8a02c302d2..47719bde34c6 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -70,6 +70,7 @@
#include <linux/types.h>
static volatile int done;
+static volatile int resize;
#define HEADER_LINE_NR 5
@@ -79,10 +80,13 @@ static void perf_top__update_print_entries(struct perf_top *top)
}
static void perf_top__sig_winch(int sig __maybe_unused,
- siginfo_t *info __maybe_unused, void *arg)
+ siginfo_t *info __maybe_unused, void *arg __maybe_unused)
{
- struct perf_top *top = arg;
+ resize = 1;
+}
+static void perf_top__resize(struct perf_top *top)
+{
get_term_dimensions(&top->winsize);
perf_top__update_print_entries(top);
}
@@ -466,7 +470,7 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c)
.sa_sigaction = perf_top__sig_winch,
.sa_flags = SA_SIGINFO,
};
- perf_top__sig_winch(SIGWINCH, NULL, top);
+ perf_top__resize(top);
sigaction(SIGWINCH, &act, NULL);
} else {
signal(SIGWINCH, SIG_DFL);
@@ -1023,6 +1027,11 @@ static int __cmd_top(struct perf_top *top)
if (hits == top->samples)
ret = perf_evlist__poll(top->evlist, 100);
+
+ if (resize) {
+ perf_top__resize(top);
+ resize = 0;
+ }
}
ret = 0;