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Re: stap blocked (at stapio)
- From: "Peter Teoh" <htmldeveloper at gmail dot com>
- To: "Wenji Huang" <wenji dot huang at oracle dot com>
- Cc: systemtap at sources dot redhat dot com
- Date: Wed, 16 Apr 2008 15:26:57 +0800
- Subject: Re: stap blocked (at stapio)
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- References: <804dabb00804152002l46b70965xd3cb72c27db70591@mail.gmail.com> <48057362.7060308@oracle.com>
Apologized for the mishap, I think all is well now.....thanks for your
support - appreciate that very much.
On Wed, Apr 16, 2008 at 11:32 AM, Wenji Huang <wenji.huang@oracle.com> wrote:
> Peter Teoh wrote:
>
> > stapio:send_unwind_data:64 module sd_mod
> > stapio:get_module_unwind_data:52 module sd_mod returns 3896
> > stapio:send_unwind_data:64 module sg
> > stapio:get_module_unwind_data:52 module sg returns 3288
> > stapio:send_unwind_data:64 module sky2
> > stapio:get_module_unwind_data:52 module sky2 returns 4416
> >
> > When running many of the stap scripts, it blocked here as above. What
> > are the possible reason? This is git-updated up to latest.
> > (8a49d1d23c77033bf98fc7b139b37f83e3e0eb49).
> >
> > This blocked:
> >
> > probe kernel.function("schedule")
> > {
> > printf("Called %s\n", probefunc());
> > print_backtrace();
> > }
> >
> >
> I just have a quick test, the above script works fine in my x86_64
> box(2.6.25-rc5).
> Could you provide more info about your environment and verbose output?
>
> Best regards,
> Wenji
>
--
Regards,
Peter Teoh