From: Thomas Gleixner <tglx@linutronix.de>
To: Zqiang <qiang1.zhang@intel.com>,
akpm@linux-foundation.org, peterz@infradead.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] irq_work: Add event-tracing points for irq_work
Date: Thu, 14 Apr 2022 15:47:22 +0200 [thread overview]
Message-ID: <87h76vepzp.ffs@tglx> (raw)
In-Reply-To: <20220414063829.2472251-1-qiang1.zhang@intel.com>
On Thu, Apr 14 2022 at 14:38, Zqiang wrote:
> +#define CREATE_TRACE_POINTS
> +#include <trace/events/irq_work.h>
> +
> static DEFINE_PER_CPU(struct llist_head, raised_list);
> static DEFINE_PER_CPU(struct llist_head, lazy_list);
> static DEFINE_PER_CPU(struct task_struct *, irq_workd);
> @@ -81,7 +84,9 @@ static void __irq_work_queue_local(struct irq_work *work)
> bool rt_lazy_work = false;
> bool lazy_work = false;
> int work_flags;
> + int cpu = smp_processor_id();
>
> + trace_irq_work_queue_on(cpu, work);
What about work_flags to see on which list this ends up?
Thanks,
tglx
next prev parent reply other threads:[~2022-04-14 15:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-14 6:38 [PATCH] irq_work: Add event-tracing points for irq_work Zqiang
2022-04-14 9:32 ` Peter Zijlstra
2022-04-15 2:56 ` Zhang, Qiang1
2022-04-14 13:47 ` Thomas Gleixner [this message]
2022-04-15 3:02 ` Zhang, Qiang1
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