From: Thomas Gleixner <tglx@linutronix.de>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Josh Poimboeuf <jpoimboe@kernel.org>,
x86@kernel.org, linux-kernel@vger.kernel.org,
Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH] tracing: Disable branch profiling in noinstr code
Date: Fri, 21 Mar 2025 21:28:55 +0100 [thread overview]
Message-ID: <87r02q162g.ffs@tglx> (raw)
In-Reply-To: <20250321131248.02114dd7@batman.local.home>
On Fri, Mar 21 2025 at 13:12, Steven Rostedt wrote:
> On Fri, 21 Mar 2025 17:51:50 +0100
> Thomas Gleixner <tglx@linutronix.de> wrote:
>
>> Though the real fix would be to rip out this likely/unlikely tracer
>> hackery all together.
>
> If you want, you could just disable it for all of arch/x86
>
> In my tests, I'm more interested in the generic code anyway.
Which is affected too as you can see from diffstat.
prev parent reply other threads:[~2025-03-21 20:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-21 6:05 [PATCH] tracing: Disable branch profiling in noinstr code Josh Poimboeuf
2025-03-21 16:51 ` Thomas Gleixner
2025-03-21 17:12 ` Steven Rostedt
2025-03-21 17:21 ` Josh Poimboeuf
2025-03-21 18:28 ` Steven Rostedt
2025-03-21 18:53 ` Josh Poimboeuf
2025-03-21 20:28 ` Thomas Gleixner [this message]
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