Add threads stack dumping feature (through SIGUSR1) to test_runner.py.

Add threads stack dumping feature (through SIGUSR1) to test_runner.py.

BUG=320445
R=bulach@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=235996

[Philippe, 2013-11-19 14:06:15]

Hey Marcus, I would like to land this to investigate the issue on the bot.

[bulach, 2013-11-19 14:18:44]

lgtm, great idea, go for it! :)

[Philippe, 2013-11-19 14:22:36]

On 2013/11/19 14:18:44, bulach wrote:
> lgtm, great idea, go for it! :)

Thanks Marcus!

[Philippe, 2013-11-19 14:59:41]

On 2013/11/19 14:22:36, Philippe wrote:
> On 2013/11/19 14:18:44, bulach wrote:
> > lgtm, great idea, go for it! :)
> 
> Thanks Marcus!

FYI, I will dcommit this shortly.

[Philippe, 2013-11-19 15:02:28]

Committed patchset #1 manually as r235996 (presubmit successful).

[frankf, 2013-11-19 18:27:01]

On 2013/11/19 15:02:28, Philippe wrote:
> Committed patchset #1 manually as r235996 (presubmit successful).

pliard, we already have such functionality. Take a look at
pylib/utils/reraiser_thread.py and how it's used.

[craigdh, 2013-11-19 19:50:40]

On 2013/11/19 18:27:01, frankf wrote:
> On 2013/11/19 15:02:28, Philippe wrote:
> > Committed patchset #1 manually as r235996 (presubmit successful).
> 
> pliard, we already have such functionality. Take a look at
> pylib/utils/reraiser_thread.py and how it's used.

See http://crrev.com/76233005

[Philippe, 2013-11-20 08:24:50]

Yeah I had seen this reraiser thread but it was not immediately clear to
me. Thanks for cleaning this up!


On Tue, Nov 19, 2013 at 8:50 PM, <craigdh@chromium.org> wrote:

> On 2013/11/19 18:27:01, frankf wrote:
>
>> On 2013/11/19 15:02:28, Philippe wrote:
>> > Committed patchset #1 manually as r235996 (presubmit successful).
>>
>
>  pliard, we already have such functionality. Take a look at
>> pylib/utils/reraiser_thread.py and how it's used.
>>
>
> See http://crrev.com/76233005
>
> https://chromiumcodereview.appspot.com/59873011/
>

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