On Thu, 16 Jan 2020 23:44:52 +0900 Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote: > Since the 5 jiffies delay for the optimizer is too > short to wait for other probes, make it longer, > like 1 second. Hi Masami, Can you explain more *why* 5 jiffies is too short. Thanks! -- Steve > > 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