From: Alexander Aring <alex.aring@gmail.com>
To: "Guido Günther" <agx@sigxcpu.org>
Cc: linux-wpan@vger.kernel.org
Subject: Re: [PATCH v2] ieee802154: Add trace events for rdev->ops
Date: Wed, 22 Apr 2015 10:09:37 +0200 [thread overview]
Message-ID: <20150422080936.GA946@omega> (raw)
In-Reply-To: <20150420183656.GC5248@bogon.m.sigxcpu.org>
On Mon, Apr 20, 2015 at 08:36:56PM +0200, Guido Günther wrote:
> Enabling tracing via
>
> echo 1 > /sys/kernel/debug/tracing/events/cfg802154/enable
>
> enables event tracing like
>
> iwpan dev wpan0 set pan_id 0xbeef
> cat /sys/kernel/debug/tracing/trace
> # tracer: nop
> #
> # entries-in-buffer/entries-written: 2/2 #P:1
> #
> # _-----=> irqs-off
> # / _----=> need-resched
> # | / _---=> hardirq/softirq
> # || / _--=> preempt-depth
> # ||| / delay
> # TASK-PID CPU# |||| TIMESTAMP FUNCTION
> # | | | |||| | |
> iwpan-2663 [000] .... 170.369142: 802154_rdev_set_pan_id: phy0, wpan_dev(1), pan id: 0xbeef
> iwpan-2663 [000] .... 170.369177: 802154_rdev_return_int: phy0, returned: 0
>
> Signed-off-by: Guido Günther <agx@sigxcpu.org>
Acked-by: Alexander Aring <alex.aring@gmail.com>
- Alex
next prev parent reply other threads:[~2015-04-22 8:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-20 18:36 [PATCH v2] ieee802154: Add trace events for rdev->ops Guido Günther
2015-04-22 8:09 ` Alexander Aring [this message]
2015-04-23 19:45 ` Guido Günther
2015-04-25 6:45 ` Alexander Aring
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