Re: [PATCH v15 15/18] trace-cmd: Refactor few trace-cmd internal functions.

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On Thu, Nov 28, 2019 at 4:51 PM Slavomir Kaslev
<slavomir.kaslev@xxxxxxxxx> wrote:
>
> On Thu, Nov 28, 2019 at 11:01 AM Tzvetomir Stoyanov (VMware)
> <tz.stoyanov@xxxxxxxxx> wrote:
> >
> > In order to reuse code inside trace-cmd application context,
> > few functions are made non static:
> >         int make_vsock(unsigned int port);
> >         int get_vsock_port(int sd, unsigned int *port);
> >         int open_vsock(unsigned int cid, unsigned int port);
> >         char *get_guest_file(const char *file, const char *guest);
> >
> > Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
> > ---
> >  tracecmd/include/trace-local.h | 8 ++++++++
> >  tracecmd/trace-agent.c         | 4 ++--
> >  tracecmd/trace-record.c        | 8 ++++----
> >  3 files changed, 14 insertions(+), 6 deletions(-)
> >
> > diff --git a/tracecmd/include/trace-local.h b/tracecmd/include/trace-local.h
> > index a6f79c5..17ef31a 100644
> > --- a/tracecmd/include/trace-local.h
> > +++ b/tracecmd/include/trace-local.h
> > @@ -19,6 +19,8 @@
> >  #define GUEST_FIFO_FMT         GUEST_DIR_FMT "/" GUEST_PIPE_NAME "%d"
> >  #define VIRTIO_FIFO_FMT                "/dev/virtio-ports/" GUEST_PIPE_NAME "%d"
> >
> > +#define TRACE_FILENAME         "trace.dat"
> > +
> >  /* fix stupid glib guint64 typecasts and printf formats */
> >  typedef unsigned long long u64;
> >
> > @@ -258,6 +260,12 @@ void tracecmd_disable_tracing(void);
> >  void tracecmd_enable_tracing(void);
> >  void tracecmd_stat_cpu(struct trace_seq *s, int cpu);
> >
> > +int make_vsock(unsigned int port);
> > +int get_vsock_port(int sd, unsigned int *port);
>
> trace-agent.c is not getting compiled if VSOCK isn't defined so those
> functions won't be available then. Put them undef #ifdef VSOCK here
> too? Or have all vsock functions in a separate .c file, #ifdef-ed so
> that those functions do nothing when VSOCK is not defined?
>

The implementation is not tested yet with not defined VSOCK, I'll test
and fix those.
Thanks!

> > +int open_vsock(unsigned int cid, unsigned int port);
> > +
> > +char *get_guest_file(const char *file, const char *guest);
>
> Cheers,
>
> -- Slavi



-- 
Tzvetomir (Ceco) Stoyanov
VMware Open Source Technology Center



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