[RFT PATCH 04/13] kprobes: Make optimizer delay to 1 second

From: Masami Hiramatsu
Date: Thu Jan 16 2020 - 09:44:58 EST


Since the 5 jiffies delay for the optimizer is too
short to wait for other probes, make it longer,
like 1 second.

Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
---
kernel/kprobes.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 0dacdcecc90f..9c6e230852ad 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -469,7 +469,8 @@ static int kprobe_optimizer_queue_update;

static void kprobe_optimizer(struct work_struct *work);
static DECLARE_DELAYED_WORK(optimizing_work, kprobe_optimizer);
-#define OPTIMIZE_DELAY 5
+/* Wait 1 second for starting optimization */
+#define OPTIMIZE_DELAY HZ

/*
* Optimize (replace a breakpoint with a jump) kprobes listed on