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From: | Ken Brown |
Subject: | bug#20843: 24.5; Profiler error: "Invalid sampling interval" |
Date: | Sat, 20 Jun 2015 15:02:28 -0400 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 |
On 6/18/2015 4:57 AM, Eli Zaretskii wrote:
From: Sebastien Vauban <sva-news@mygooglest.com> Date: Thu, 18 Jun 2015 10:37:02 +0200 When trying to start the profiler under Cygwin Emacs 24.5, I get this: --8<---------------cut here---------------start------------->8--- Debugger entered--Lisp error: (error "Invalid sampling interval") profiler-cpu-start(1000000) profiler-start(cpu) call-interactively(profiler-start record nil)Can you step with GDB into setup_cpu_timer, and see what goes wrong there? I suspect this portions:
[...]No, the problem is that Cygwin's setitimer supports only ITIMER_REAL, so the call to setitimer(ITIMER_PROF,...) in profiler.c:315 fails.
Ken
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