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Subject: Re: dtrace pid provider on entry == segfault process
From: Adrian Chadd <adrian@freebsd.org>
To: Mark Johnston <markj@freebsd.org>
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On 29 July 2014 16:15, Mark Johnston <markj@freebsd.org> wrote:
> On Tue, Jul 29, 2014 at 7:10 PM, Adrian Chadd <adrian@freebsd.org> wrote:
>> Ugh, that sent too quickly.
>>
>> Let me clarify:
>>
>> [root@darkwatch] /data/blockd# cat test2.d
>>
>> pid$target:libc*:memcpy:entry
>> {
>> @[execname] = quantize(arg2);
>> }
>>
>> this doesn't work right (it doesn't count events at all) and it has a
>> 100% chance of SIGSEGV'ing the monitored process when you finish
>> sampling (via ctrl-C.)
>
> What program are you tracing?
>
> This should be fixed when I MFC r264434 in the next day or so:
> http://svnweb.freebsd.org/base?view=revision&revision=264434

find /

Thanks! I'll give this a whirl later.


-a