[OE-core] [PATCH 0/1] [Yocto Bug 1700] Fix for buildstats diskio on non physical disks
koen at dominion.thruhere.net
Wed Nov 9 13:13:25 CET 2011
Op 8 nov. 2011, om 16:57 heeft Flanagan, Elizabeth het volgende geschreven:
> On Tue, Nov 8, 2011 at 7:53 AM, Wolfram Stering <wolfram.stering at hale.at> wrote:
>> On 11/08/2011 03:12 PM, Richard Purdie wrote:
>>> On Tue, 2011-11-08 at 11:15 +0100, Wolfram Stering wrote:
>>>> On 11/02/2011 07:41 AM, Beth Flanagan wrote:
>>>>> From: Elizabeth Flanagan <elizabeth.flanagan at intel.com>
>>>>> tmpfs/encryptfs/ramfs have no entry in /proc/diskstats. This modifies
>>>>> buildstats to not collect diskio statistics when we encounter a case where
>>>>> the os.major/os.minor is not represented with an entry in /proc/diskstats.
>>>> A similar issue exists for building on a btrfs partition.
>>>> I posted a message on Oct 28 concerning buildstats on btrfs volumes.
>>>> The problem there is, that btrfs's stat() reports fake device ids that
>>>> cannot be found in /proc/diskstats.
>>> Did this patch help address that problem for you too?
>> I'll be able to check that tomorrow and report back.
> It should as the patch will just disable diskio collection if it
> cannot find a valid device id in /proc/diskstats. Let me know if it
> doesn't and I'll rework it and resubmit.
Related question: what do you use to visualize the buildstats? I heard rumours about getting bootchart to support our format natively, is that the case? I will be needing pretty graphics for a report on the oe-core buildflow in a few weeks :)
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