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

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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




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