From: Steven Rostedt <rostedt@goodmis.org>
To: Valentin Schneider <vschneid@redhat.com>
Cc: Daniel Bristot de Oliveira <bristot@redhat.com>,
linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-snps-arc@lists.infradead.org,
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x86@kernel.org, "Paul E. McKenney" <paulmck@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
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Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Juri Lelli <juri.lelli@redhat.com>,
Frederic Weisbecker <frederic@kernel.org>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>, Marc Zyngier <maz@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Russell King <linux@armlinux.org.uk>,
Nicholas Piggin <npiggin@gmail.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
Guo Ren <guoren@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Douglas RAILLARD <douglas.raillard@arm.com>
Subject: Re: [RFC PATCH 0/5] Generic IPI sending tracepoint
Date: Tue, 11 Oct 2022 16:41:43 -0400 [thread overview]
Message-ID: <20221011164143.52c84421@rorschach.local.home> (raw)
In-Reply-To: <xhsmhfsfufh51.mognet@vschneid.remote.csb>
On Tue, 11 Oct 2022 17:40:26 +0100
Valentin Schneider <vschneid@redhat.com> wrote:
> > You could keep the tracepoint as a mask, and then make it pretty, like cpus=3-5,8
> > in user-space. For example with a trace-cmd/perf loadable plugin, libtracefs helper.
> >
>
> That's a nice idea, the one downside I see is that means registering an
> event handler for all events with cpumasks rather than directly targeting
> cpumask fields, but that doesn't look too horrible. I'll dig a bit in that
> direction.
We could just make all all dynamic array's of unsigned long use that
format? I don't know of any other event that has dynamic arrays of
unsigned longs. And doing a search doesn't come up with any.
-- Steve
next prev parent reply other threads:[~2022-10-11 20:41 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-07 15:41 [RFC PATCH 0/5] Generic IPI sending tracepoint Valentin Schneider
2022-10-07 15:45 ` [RFC PATCH 1/5] trace: Add trace_ipi_send_{cpu, cpumask} Valentin Schneider
2022-10-07 15:45 ` [RFC PATCH 2/5] sched, smp: Trace send_call_function_single_ipi() Valentin Schneider
2022-10-07 15:45 ` [RFC PATCH 3/5] smp: Add a multi-CPU variant to send_call_function_single_ipi() Valentin Schneider
2022-10-07 15:45 ` [RFC PATCH 4/5] irq_work: Trace calls to arch_irq_work_raise() Valentin Schneider
2022-10-08 19:34 ` Steven Rostedt
2022-10-11 15:02 ` Valentin Schneider
2022-10-07 15:45 ` [RFC PATCH 5/5] treewide: Rename and trace arch-definitions of smp_send_reschedule() Valentin Schneider
2022-10-08 0:23 ` Guo Ren
2022-10-07 20:01 ` [RFC PATCH 0/5] Generic IPI sending tracepoint Marcelo Tosatti
2022-10-08 19:40 ` Steven Rostedt
2022-10-11 16:17 ` Valentin Schneider
2022-10-11 16:22 ` Daniel Bristot de Oliveira
2022-10-11 16:40 ` Valentin Schneider
2022-10-11 20:41 ` Steven Rostedt [this message]
2022-10-11 20:34 ` Steven Rostedt
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