Re: instruments stall
Re: instruments stall
- Subject: Re: instruments stall
- From: Ken Thomases <email@hidden>
- Date: Sun, 12 May 2013 14:10:52 -0500
On May 12, 2013, at 9:10 AM, Scott Ribe wrote:
> So I was trying to run a command-line tool with the leaks tool, and after just a few seconds of operation it stalled. I actually thought Instruments was somehow configured to only record/run for a short length of time, and spent a while trying to find that non-existant pref ;-)
>
> Long story made short, I eventually thought to sample my process while it was stalled under Instruments, and that showed the problem: …
> Yep, lots of debug info onto std::clog, apparently nothing reading that pipe, so as soon as the buffer is full, the process is blocked. I removed my verbose switch, and the test ran to completion just fine. (And no leaks!)
>
> Thing is, this is Xcode 3.2.6--still stuck in the past thanks to support of old systems--my questions:
>
> - Is there any way to view the output while running my process under Instruments? I wanted to do that anyway, regardless of this issue.
There's a console view in the detail view. It's one of the choices in the pop-up in the "breadcrumb" path control (other choices are Statistics, Sample List, Call Trees, etc.).
Also, you can run the "instruments" command-line tool rather than the GUI app.
Regards,
Ken
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