Re: Unexplained long boot delays [Was Re: [GIT PULL] RCU changes for v6.9]

Thomas Gleixner
2024-03-14T09:11:39Z

On Wed, Mar 13 2024 at 20:44, Florian Fainelli wrote:
> On 3/13/2024 3:52 PM, Frederic Weisbecker wrote:
>> Can you please boot with:
>>
>> trace_event=timer_migration,timer_start,timer_expire_entry,timer_cancel
>>
>> And add the following and give us the resulting output in dmesg?
>
> Here are two logs from two different systems that exposed the problem on
> boot:
>
> https://gist.github.com/ffainelli/f0834c52ef6320c9216d879ca29a4b81
> https://gist.github.com/ffainelli/dc838883edb925a77d8eb34c0fe95be0

[ 0.003042] Failed to enable trace event: timer_migration

The event option should be:

trace_event=timer_migration:*,timer_start,timer_expire_entry,timer_cancel

Thanks,

tglx