From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH i-g-t 1/3] lib/igt_aux: Export statistics of signal helper.
Date: Mon, 7 Aug 2017 11:45:38 +0200 [thread overview]
Message-ID: <5701f056-794b-1c28-53c2-13d8c2d4dc34@linux.intel.com> (raw)
In-Reply-To: <150183304310.22114.1007823699580676774@mail.alporthouse.com>
Op 04-08-17 om 09:50 schreef Chris Wilson:
> Quoting Maarten Lankhorst (2017-08-02 11:29:17)
>> Export 2 functions, igt_signal_helper_get_num and
>> igt_signal_helper_get_hz.
>>
>> This will allow tests to measure how much time in a test was spent
>> in a uninterruptible state, which is useful when testing whether
>> certain ioctl's can be interrupted or not.
> Use sig_ioctl, the purpose of that wrapper is to measure whether or not it
> was interrupted. Refine it to suit your purposes, it is the surgical
> scalpel compared to the shotgun of signal_helper.
> -Chris
I've been using the igt display helpers now so I don't have to worry about the ioctl's. Using sig_ioctl would mean having to perform the ioctl's myself, and that makes the code a lot more verbose..
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next prev parent reply other threads:[~2017-08-07 9:45 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-02 10:29 [PATCH i-g-t 1/3] lib/igt_aux: Export statistics of signal helper Maarten Lankhorst
2017-08-02 10:29 ` [PATCH i-g-t 2/3] lib/igt_kms: Remove vblank wait after plane update Maarten Lankhorst
2017-08-04 8:07 ` Mika Kahola
2017-08-07 8:42 ` Maarten Lankhorst
2017-08-08 9:30 ` Mika Kahola
2017-08-02 10:29 ` [PATCH i-g-t 3/3] tests: Add kms_atomic_interruptible test Maarten Lankhorst
2017-08-04 7:50 ` Mika Kahola
2017-08-07 8:47 ` Maarten Lankhorst
2017-08-04 7:46 ` [PATCH i-g-t 1/3] lib/igt_aux: Export statistics of signal helper Mika Kahola
2017-08-04 7:50 ` Chris Wilson
2017-08-07 9:45 ` Maarten Lankhorst [this message]
2017-08-07 9:59 ` Chris Wilson
2017-08-07 15:51 ` Daniel Vetter
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