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Re: gcov can't collect data when process is executed by systemctl start but it can when executed by ./process
- From: Xiaoli Feng <xifeng at redhat dot com>
- To: Mason <slash dot tmp at free dot fr>
- Cc: GCC help <gcc-help at gcc dot gnu dot org>
- Date: Mon, 31 Jul 2017 06:05:41 -0400 (EDT)
- Subject: Re: gcov can't collect data when process is executed by systemctl start but it can when executed by ./process
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----- Original Message -----
> From: "Mason" <slash.tmp@free.fr>
> To: "Xiaoli Feng" <xifeng@redhat.com>
> Cc: "GCC help" <gcc-help@gcc.gnu.org>
> Sent: Monday, July 31, 2017 5:12:38 PM
> Subject: Re: gcov can't collect data when process is executed by systemctl start but it can when executed by
> ./process
>
> On 31/07/2017 10:57, Xiaoli Feng wrote:
> > Hello,
> >
> > Sorry to noise you. But I don't know how to fixed this issue. The gcov
> > can
> > collect code coverage data if the process is executed in shell. But when
> > the process is start by systemd service. The *.gcda can't be generated. I
> > google
> > many info. But there is no solution. So I only send mail to ask for your
> > help.
> > Does any one know what's happen? And where to find the gcov error
> > message?
> > If I send the wrong email address. Sorry about that.
>
> Could it be that when the process is run by systemd, it runs
> under a different user id, one which is not allowed to write
> to the directory?
I don't think so. I run "ps -aux". And it shows the process's USER is root.
Do you know if there is a method to check the error info when generate *.gcda?
And if it is under a different user. How could I change the writing directory
location?
Thanks Mason for your reply.
>
> Regards.
>