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From: Sean Nyekjaer <sean@geanix.com>
To: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: linux-iio <linux-iio@vger.kernel.org>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>
Subject: Re: IIO timestamp get skewed when suspending (st_lsm6dsx)
Date: Fri, 29 May 2020 14:29:30 +0200	[thread overview]
Message-ID: <4a4c7141-acbf-3a7d-3d0b-6c056c8f9ed8@geanix.com> (raw)
In-Reply-To: <20200529121616.GD3198@localhost.localdomain>



On 29/05/2020 14.16, Lorenzo Bianconi wrote:
> On May 29, Sean Nyekjaer wrote:
>>
>>>
>>> Ack, values seem properly updated, while values reported to the upserspace are
>>> using wrong value? could you please try to dump ts samples reading the hw queue
>>> after the resume?
>>>
>>> Regards,
>>> Lorenzo
>>>
>>
>> I have add the raw timestamps to the trace:
>> https://gist.github.com/sknsean/1eb3c074d6f2d134632582a4771322bb
>>
>> Both with and without the proposed patch :)
>>
>> /Sean
> 
> are these values from the hw FIFO? can you please add sensor->ts_ref to the trace and
> a log into st_lsm6dsx_reset_hw_ts?

The values are from the timestamp got when reading /dev/iio:deviceX.
Will add hw FIFO and ts_ref stamps to the trace next Tuesday

/Sean

  reply	other threads:[~2020-05-29 12:29 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-28 18:01 IIO timestamp get skewed when suspending (st_lsm6dsx) Sean Nyekjaer
2020-05-28 21:07 ` Lorenzo Bianconi
2020-05-29  7:32   ` Sean Nyekjaer
2020-05-29  7:44     ` Lorenzo Bianconi
2020-05-29  8:33       ` Sean Nyekjaer
2020-05-29  8:50         ` Lorenzo Bianconi
2020-05-29 11:19           ` Sean Nyekjaer
2020-05-29 12:16             ` Lorenzo Bianconi
2020-05-29 12:29               ` Sean Nyekjaer [this message]
2020-06-02 11:48               ` Sean Nyekjaer
2020-06-02 13:39                 ` Sean Nyekjaer
2020-06-02 18:02                   ` Sean Nyekjaer
2020-06-03  8:06                     ` Lorenzo Bianconi
2020-06-03 10:05                       ` Sean Nyekjaer
2020-06-03 10:28                         ` Lorenzo Bianconi
2020-06-03 10:37                           ` Sean Nyekjaer
2020-06-03 10:51                             ` Lorenzo Bianconi
2020-06-03 11:29                               ` Sean Nyekjaer
2020-06-03 12:12                                 ` Lorenzo Bianconi
2020-06-03 12:49                                   ` Sean Nyekjaer
2020-06-03 12:56                                     ` Lorenzo Bianconi
2020-06-03 13:15                                       ` Sean Nyekjaer
2020-06-03 13:40                                         ` Lorenzo Bianconi
2020-06-03 14:10                                           ` Sean Nyekjaer
2020-06-08 12:20                                             ` Sean Nyekjaer
2020-06-08 14:09                                               ` Thomas Gleixner
2020-07-10 12:10   ` Sean Nyekjaer
2020-07-10 13:20     ` Lorenzo Bianconi

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