From: Sebastien Vauban <sva-news-D0wtAvR13HarG/iDocfnWg@public.gmane.org>
To: Ken Brown <kbrown-HmMyXyqgL2CVc3sceRu5cw@public.gmane.org>
Cc: 20843-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org
Subject: bug#20843: 24.5; Profiler error: "Invalid sampling interval"
Date: Mon, 22 Jun 2015 10:00:04 +0200 [thread overview]
Message-ID: <86y4jckwaj.fsf@example.com> (raw)
In-Reply-To: <558737F7.4080709-HmMyXyqgL2CVc3sceRu5cw@public.gmane.org> (Ken Brown's message of "Sun, 21 Jun 2015 18:17:27 -0400")
Ken Brown <kbrown-HmMyXyqgL2CVc3sceRu5cw@public.gmane.org> writes:
> On 6/21/2015 10:56 AM, Eli Zaretskii wrote:
>>> Date: Sat, 20 Jun 2015 17:47:21 -0400
>>> From: Ken Brown <kbrown-HmMyXyqgL2CVc3sceRu5cw@public.gmane.org>
>>> CC: sva-news-D0wtAvR13HarG/iDocfnWg@public.gmane.org, 20843-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org
>>>
>>>> Then I guess the configure-time test for setitimer should also test
>>>> for ITIMER_PROF.
>>>
>>> I'd be glad to give this a try, but I don't have any experience writing
>>> autoconf macros. Is there a standard macro to test whether a function
>>> accepts a particular argument? If not, can you (or anyone) point me to
>>> an example that I can imitate?
>>
>> Actually, perhaps I misunderstood you: are you saying that Cygwin does
>> have ITIMER_PROF defined in the appropriate header, but when setitimer
>> is called with it, it always fails?
>
> Yes.
>
>> If so, we cannot test this at
>> configure time, because it means we will have to run a program, which
>> is not a good idea.
>>
>> So in that case, I think we should simply disable the CPU profiler on
>> Cygwin using "#ifndef __CYGWIN__" or some such.
>
> Done as commit 5fac0de.
>
>>>> Also, the diagnostics should be improved, as the
>>>> wording is misleading in that case.
>>>
>>> As it stands, profiler-cpu-start reports "Invalid sampling interval"
>>> whenever setup_cpu_timer fails to start the timer, regardless of the
>>> reason. I'll try to improve this.
>>
>> Yes, please.
For me to understand, does this mean we never will be able to start the
profiler under Cygwin Emacs?
next prev parent reply other threads:[~2015-06-22 8:00 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-18 8:37 bug#20843: 24.5; Profiler error: "Invalid sampling interval" Sebastien Vauban
2015-06-18 8:57 ` Eli Zaretskii
[not found] ` <83k2v1l7g4.fsf-mXXj517/zsQ@public.gmane.org>
2015-06-18 11:58 ` Sebastien Vauban
[not found] ` <mailman.5225.1434628753.904.bug-gnu-emacs@gnu.org>
[not found] ` <mailman.5225.1434628753.904.bug-gnu-emacs-mXXj517/zsQ@public.gmane.org>
2015-06-19 13:38 ` Sebastien Vauban
2015-06-19 17:42 ` Eli Zaretskii
2015-06-20 19:02 ` Ken Brown
2015-06-20 19:10 ` Eli Zaretskii
2015-06-20 21:47 ` Ken Brown
2015-06-21 14:56 ` Eli Zaretskii
2015-06-21 22:17 ` Ken Brown
[not found] ` <558737F7.4080709-HmMyXyqgL2CVc3sceRu5cw@public.gmane.org>
2015-06-22 8:00 ` Sebastien Vauban [this message]
2015-06-22 11:57 ` Ken Brown
2015-06-22 15:12 ` Eli Zaretskii
2015-06-22 21:15 ` Ken Brown
2015-06-22 21:44 ` Ken Brown
[not found] ` <558881B0.6080404-HmMyXyqgL2CVc3sceRu5cw@public.gmane.org>
2015-06-23 8:39 ` Sebastien Vauban
2015-06-23 17:20 ` Ken Brown
[not found] ` <mailman.5513.1435080075.904.bug-gnu-emacs@gnu.org>
[not found] ` <mailman.5513.1435080075.904.bug-gnu-emacs-mXXj517/zsQ@public.gmane.org>
2015-07-02 13:27 ` Sebastien Vauban
2015-07-02 13:59 ` Ken Brown
2015-06-22 15:35 ` Eli Zaretskii
2015-06-22 18:04 ` Ken Brown
2015-06-22 18:50 ` Eli Zaretskii
2015-06-22 19:30 ` Ken Brown
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