From: Thomas Gleixner <tglx@linutronix.de>
To: Florian Fainelli <f.fainelli@gmail.com>,
Boqun Feng <boqun.feng@gmail.com>
Cc: Frederic Weisbecker <frederic@kernel.org>,
"Russell King (Oracle)" <linux@armlinux.org.uk>,
Joel Fernandes <joel@joelfernandes.org>,
Anna-Maria Behnsen <anna-maria@linutronix.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel@vger.kernel.org, kernel-team@meta.com,
paulmck@kernel.org, mingo@kernel.org, rcu@vger.kernel.org,
neeraj.upadhyay@amd.com, urezki@gmail.com,
qiang.zhang1211@gmail.com, bigeasy@linutronix.de,
chenzhongjin@huawei.com, yangjihong1@huawei.com,
rostedt@goodmis.org, Justin Chen <justin.chen@broadcom.com>
Subject: Re: Unexplained long boot delays [Was Re: [GIT PULL] RCU changes for v6.9]
Date: Thu, 14 Mar 2024 21:45:36 +0100 [thread overview]
Message-ID: <87v85olez3.ffs@tglx> (raw)
In-Reply-To: <de038bee-cecd-4e76-b0f4-5822b68e439d@gmail.com>
On Thu, Mar 14 2024 at 12:09, Florian Fainelli wrote:
> On 3/14/24 11:51, Boqun Feng wrote:
>>>> trace_event=timer_migration:*,timer_start,timer_expire_entry,timer_cancel
>>>>
>>>> Though it's fairly possible that timer migration is not enabled at this point
>>>> as it's a late initcall. But we better not miss its traces otherwise.
>>>
>>> Here is another log with timer_migration:
>>>
>>> https://gist.github.com/ffainelli/237a5f9928850d6d8900d1f36da45aee
>>
>> FWIW, the trace point is still not enabled:
>>
>> [ 0.000000] Failed to enable trace event: timer_migration:*
>>
>> you need this commit in master:
>>
>> 36e40df35d2c "timer_migration: Add tracepoints"
>>
>> , which is one commit later than 7ee988770326 AFAICT
>
> Argh, thanks Boqun, here is a new capture:
>
> https://gist.github.com/ffainelli/cb562c1a60ef8e0e69e7d42143c48e8f
>
> this one is does include the tmigr events. Thanks!
You need 8ca1836769d758e4fbf5851bb81e181c52193f5d too.
next prev parent reply other threads:[~2024-03-14 20:45 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-08 17:15 [GIT PULL] RCU changes for v6.9 Boqun Feng
2024-03-11 19:43 ` pr-tracker-bot
2024-03-12 20:32 ` Unexplained long boot delays [Was Re: [GIT PULL] RCU changes for v6.9] Florian Fainelli
2024-03-12 21:01 ` Frederic Weisbecker
2024-03-12 21:15 ` Paul E. McKenney
2024-03-12 21:35 ` Florian Fainelli
2024-03-12 22:05 ` Florian Fainelli
2024-03-12 21:07 ` Boqun Feng
2024-03-12 21:34 ` Florian Fainelli
2024-03-12 21:44 ` Linus Torvalds
2024-03-12 23:48 ` Boqun Feng
2024-03-13 16:01 ` Joel Fernandes
2024-03-13 21:30 ` Florian Fainelli
2024-03-13 21:59 ` Russell King (Oracle)
2024-03-13 22:04 ` Florian Fainelli
2024-03-13 22:49 ` Russell King (Oracle)
2024-03-13 23:29 ` Florian Fainelli
2024-03-14 1:15 ` Linus Torvalds
2024-03-14 1:22 ` Florian Fainelli
2024-03-13 22:52 ` Frederic Weisbecker
2024-03-14 3:44 ` Florian Fainelli
2024-03-14 5:12 ` Boqun Feng
2024-03-14 6:33 ` Boqun Feng
2024-03-14 9:32 ` Thomas Gleixner
2024-03-14 9:11 ` Thomas Gleixner
2024-03-14 10:41 ` Frederic Weisbecker
2024-03-14 18:35 ` Florian Fainelli
2024-03-14 18:51 ` Boqun Feng
2024-03-14 19:09 ` Florian Fainelli
2024-03-14 20:45 ` Thomas Gleixner [this message]
2024-03-14 21:21 ` Thomas Gleixner
2024-03-14 21:53 ` Florian Fainelli
2024-03-14 22:51 ` Thomas Gleixner
2024-03-14 21:58 ` Thomas Gleixner
2024-03-14 22:05 ` Boqun Feng
2024-03-14 22:10 ` Boqun Feng
2024-03-15 1:14 ` [PATCH] timer/migration: Remove buggy early return on deactivation [was Re: Unexplained long boot delays [Was Re: [GIT PULL] RCU changes for v6.9]] Frederic Weisbecker
2024-03-15 1:20 ` Frederic Weisbecker
2024-03-15 13:44 ` Florian Fainelli
2024-03-16 19:06 ` [tip: timers/urgent] timer/migration: Remove buggy early return on deactivation tip-bot2 for Frederic Weisbecker
2024-03-26 16:41 ` [PATCH] timer/migration: Remove buggy early return on deactivation [was Re: Unexplained long boot delays [Was Re: [GIT PULL] RCU changes for v6.9]] Anna-Maria Behnsen
2024-03-26 17:18 ` Frederic Weisbecker
2024-04-04 16:50 ` [PATCH] timers/migration: Return early on deactivation Anna-Maria Behnsen
2024-04-04 22:19 ` Frederic Weisbecker
2024-04-05 8:53 ` [PATCH v2] " Anna-Maria Behnsen
2024-04-05 9:11 ` [tip: timers/urgent] " tip-bot2 for Anna-Maria Behnsen
2024-03-14 9:03 ` Unexplained long boot delays [Was Re: [GIT PULL] RCU changes for v6.9] Thomas Gleixner
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