perf tui: Make CTRL+Z suspend perf
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index 28f74eb..91de99b 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -11,6 +11,7 @@
#define HAVE_LONG_LONG __GLIBC_HAVE_LONG_LONG
#endif
#include <slang.h>
+#include <signal.h>
#include <stdlib.h>
#include <newt.h>
#include <sys/ttydefaults.h>
@@ -891,6 +892,13 @@
"blue", "lightgray",
};
+static void newt_suspend(void *d __used)
+{
+ newtSuspend();
+ raise(SIGTSTP);
+ newtResume();
+}
+
void setup_browser(void)
{
struct newtPercentTreeColors *c = &defaultPercentTreeColors;
@@ -904,6 +912,7 @@
use_browser = 1;
newtInit();
newtCls();
+ newtSetSuspendCallback(newt_suspend, NULL);
ui_helpline__puts(" ");
sltt_set_color(HE_COLORSET_TOP, NULL, c->topColorFg, c->topColorBg);
sltt_set_color(HE_COLORSET_MEDIUM, NULL, c->mediumColorFg, c->mediumColorBg);
