Hi Teng and Y,
Yes, you're right.
Previously my script (test_profile.sh) is to run both the binary (./spin)
and profile.py in the background and to kill profile.py immediately the
binary exits. Profile.py does not resolve the symbols until it receives the
kill signal. However, when it receives th
Also the binary need to be still running when doing symbolization.
On Wed, Aug 16, 2017 at 3:14 PM, Y Song via iovisor-dev <
iovisor-dev@lists.iovisor.org> wrote:
> >
> > // always fails, with errno = 2
> > procmap = fopen(procmap_filename, "r");
> >
>
> errno 2 (ENOENT) means file does not exis
>
> // always fails, with errno = 2
> procmap = fopen(procmap_filename, "r");
>
errno 2 (ENOENT) means file does not exist. You can add additional
print to check whether the file truly exists or not.
On Sat, Aug 12, 2017 at 5:14 AM, Fenggang Wu via iovisor-dev
wrote:
> Hi there,
>
> I am trying
Hi Wenxian,
I've tried -g, -ggdb, -gdwarf, -no-omit-frame-pointer (per the DEBUGGING
section of the profile(8) man page.) to compile spin respectively, as well
as a various combination of them. But still no luck.
Thanks!
-Fenggang
Fenggang WU (吴凤刚)
Ph.D. Student
Department of Computer Science an
Have you tried to compile spin.cc with -g para?
Thanks,
Wenxian
On Sat, Aug 12, 2017 at 8:14 PM, Fenggang Wu via iovisor-dev <
iovisor-dev@lists.iovisor.org> wrote:
> Hi there,
>
> I am trying out bcc tools from http://github.com/iovisor/bcc, more
> specificaly profile.py and offcputime.py. How
