Re: [PATCH] percpu: improve percpu_alloc_percpu_fail event trace

2024-01-24 Thread Dennis Zhou
Hello, On Mon, Jan 22, 2024 at 08:55:39PM -0500, Steven Rostedt wrote: > On Tue, 23 Jan 2024 09:44:43 +0800 > George Guo wrote: > > > There are two reasons of percpu_alloc failed without warnings: > > > > 1. do_warn is false > > 2. do_warn is true and warn_limit is reached the limit. > > Yes

Re: [PATCH] percpu: improve percpu_alloc_percpu_fail event trace

2024-01-22 Thread Steven Rostedt
On Tue, 23 Jan 2024 09:44:43 +0800 George Guo wrote: > There are two reasons of percpu_alloc failed without warnings: > > 1. do_warn is false > 2. do_warn is true and warn_limit is reached the limit. Yes I know the reasons. > > Showing do_warn and warn_limit makes things simple, maybe dont n

Re: [PATCH] percpu: improve percpu_alloc_percpu_fail event trace

2024-01-22 Thread George Guo
On Mon, 22 Jan 2024 10:57:00 -0500 Steven Rostedt wrote: > On Mon, 22 Jan 2024 15:36:29 +0800 > George Guo wrote: > > > From: George Guo > > > > Add do_warn, warn_limit fields to the output of the > > percpu_alloc_percpu_fail ftrace event. > > > > This is required to percpu_alloc failed with

Re: [PATCH] percpu: improve percpu_alloc_percpu_fail event trace

2024-01-22 Thread Steven Rostedt
On Mon, 22 Jan 2024 15:36:29 +0800 George Guo wrote: > From: George Guo > > Add do_warn, warn_limit fields to the output of the > percpu_alloc_percpu_fail ftrace event. > > This is required to percpu_alloc failed with no warning showing. You mean to state; In order to know why percpu_alloc

[PATCH] percpu: improve percpu_alloc_percpu_fail event trace

2024-01-21 Thread George Guo
From: George Guo Add do_warn, warn_limit fields to the output of the percpu_alloc_percpu_fail ftrace event. This is required to percpu_alloc failed with no warning showing. Signed-off-by: George Guo --- include/trace/events/percpu.h | 22 ++ mm/percpu.c |