From: Steven Rostedt <rostedt@goodmis.org>
To: Borislav Petkov <bp@alien8.de>
Cc: Junxuan Liao <ljx@cs.wisc.edu>,
linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org,
x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
"Paul E. McKenney" <paulmck@kernel.org>
Subject: Re: [PATCH] x86/tracing: introduce enter/exit tracepoint pairs for page faults
Date: Wed, 16 Apr 2025 14:06:11 -0400 [thread overview]
Message-ID: <20250416140611.17a87271@gandalf.local.home> (raw)
In-Reply-To: <20250416140115.5b836b33@gandalf.local.home>
On Wed, 16 Apr 2025 14:01:15 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:
> > Ok, so AFAIU, this gives you how long user page faults take and apparently for
> > someone this is important info.
>
> This was just a simple example. I rather see where in the kernel it happens.
^^^^^^^^^^^^
user space
> I can still use the synthetic events and user stack trace to find where the
> big faults occur.
next prev parent reply other threads:[~2025-04-16 18:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-14 20:35 [PATCH] x86/tracing: introduce enter/exit tracepoint pairs for page faults Junxuan Liao
2025-04-14 20:42 ` Dave Hansen
2025-04-14 20:57 ` Steven Rostedt
2025-04-14 23:14 ` Junxuan Liao
2025-04-14 23:22 ` Junxuan Liao
2025-04-14 23:37 ` Dave Hansen
2025-04-14 23:43 ` Steven Rostedt
2025-04-14 23:48 ` Junxuan Liao
2025-04-14 20:54 ` Borislav Petkov
2025-04-14 22:20 ` Steven Rostedt
2025-04-15 1:23 ` Junxuan Liao
2025-04-16 17:47 ` Borislav Petkov
2025-04-16 18:01 ` Steven Rostedt
2025-04-16 18:06 ` Steven Rostedt [this message]
2025-04-18 21:39 ` Borislav Petkov
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