On Thu, 14 Mar 2024 15:41:36 +0100 Ali Zahraee <[email protected]> wrote:
> The format of the sched_wakeup event is used as an example in the > documentation. But the given format is obsolete. This patch updates the > format in the example to match the current format of this event. > > Signed-off-by: Ali Zahraee <[email protected]> > --- > Documentation/trace/events.rst | 25 +++++++++++++------------ > 1 file changed, 13 insertions(+), 12 deletions(-) > > diff --git a/Documentation/trace/events.rst b/Documentation/trace/events.rst > index 759907c20e75..65fe205c95e6 100644 > --- a/Documentation/trace/events.rst > +++ b/Documentation/trace/events.rst > @@ -129,24 +129,25 @@ event:: > # cat /sys/kernel/tracing/events/sched/sched_wakeup/format > > name: sched_wakeup > - ID: 60 > + ID: 70 Really don't need to change that, as it's defined at compile time and may be different. For example, I have: system: sched name: sched_wakeup ID: 297 > format: > field:unsigned short common_type; offset:0; size:2; > + signed:0; Don't line break the fields, as new lines are part of the format. > field:unsigned char common_flags; offset:2; size:1; > - field:unsigned char common_preempt_count; offset:3; > size:1; > - field:int common_pid; offset:4; size:4; > - field:int common_tgid; offset:8; size:4; > + signed:0; > + field:unsigned char common_preempt_count; offset:3; > + size:1; signed:0; Again, the above needs to be on one line. Thanks, -- Steve > + field:int common_pid; offset:4; size:4; signed:1; > > - field:char comm[TASK_COMM_LEN]; offset:12; size:16; > - field:pid_t pid; offset:28; size:4; > - field:int prio; offset:32; size:4; > - field:int success; offset:36; size:4; > - field:int cpu; offset:40; size:4; > + field:char comm[16]; offset:8; size:16; > signed:0; > + field:pid_t pid; offset:24; size:4; signed:1; > + field:int prio; offset:28; size:4; signed:1; > + field:int target_cpu; offset:32; size:4; signed:1; > > - print fmt: "task %s:%d [%d] success=%d [%03d]", REC->comm, REC->pid, > - REC->prio, REC->success, REC->cpu > + print fmt: "comm=%s pid=%d prio=%d target_cpu=%03d", REC->comm, > REC->pid, > + REC->prio, REC->target_cpu > > -This event contains 10 fields, the first 5 common and the remaining 5 > +This event contains 8 fields, the first 4 common and the remaining 4 > event-specific. All the fields for this event are numeric, except for > 'comm' which is a string, a distinction important for event filtering. >
