On Fri, 28 Aug 2020 22:29:12 +0200
Peter Zijlstra wrote:
> On Fri, Aug 28, 2020 at 07:32:11PM +, eddy...@trendmicro.com wrote:
> >
> > > -Original Message-
> > > From: Masami Hiramatsu
> > >
> > > @@ -1311,24 +1257,23 @@ void kprobe_busy_end(void)
> > > void
On Fri, Aug 28, 2020 at 07:32:11PM +, eddy...@trendmicro.com wrote:
>
> > -Original Message-
> > From: Masami Hiramatsu
> >
> > @@ -1311,24 +1257,23 @@ void kprobe_busy_end(void)
> > void kprobe_flush_task(struct task_struct *tk)
> > {
> > struct kretprobe_instance *ri;
> >
> -Original Message-
> From: Masami Hiramatsu
>
> @@ -1311,24 +1257,23 @@ void kprobe_busy_end(void)
> void kprobe_flush_task(struct task_struct *tk)
> {
> struct kretprobe_instance *ri;
> - struct hlist_head *head;
> - struct hlist_node *tmp;
> - unsigned
On Sat, Aug 29, 2020 at 03:37:26AM +0900, Masami Hiramatsu wrote:
> cd /sys/kernel/debug/tracing/
>
> echo r:schedule schedule >> kprobe_events
> echo 1 > events/kprobes/enable
>
> sleep 333
Thanks! that does indeed trigger it reliably. Let me go have dinner and
then I'll try and figure out
On Fri, 28 Aug 2020 21:30:06 +0900
Masami Hiramatsu wrote:
> From: Peter Zijlstra
>
> The kretprobe hash is mostly superfluous, replace it with a per-task
> variable.
>
> This gets rid of the task hash and it's related locking.
>
> The whole invalidate_rp_inst() is tedious and could go away
From: Peter Zijlstra
The kretprobe hash is mostly superfluous, replace it with a per-task
variable.
This gets rid of the task hash and it's related locking.
The whole invalidate_rp_inst() is tedious and could go away once we
drop rp specific ri size.
Signed-off-by: Peter Zijlstra (Intel)
---
6 matches
Mail list logo
