Em Sat, Feb 25, 2017 at 01:46:01AM +0900, Masami Hiramatsu escreveu:
> On Thu, 23 Feb 2017 17:07:23 +0530
> "Naveen N. Rao" <naveen.n....@linux.vnet.ibm.com> wrote:
> 
> > ...into a generic function for opening trace files.
> 
> Even if it repeats subject, please write complete description...
> 
> Patch itself is OK to me.

Did it and added your Acked-by as per your OK above.

- arnaldo
 
> Thanks,
> 
> > 
> > Signed-off-by: Naveen N. Rao <naveen.n....@linux.vnet.ibm.com>
> > ---
> >  tools/perf/util/probe-file.c | 20 +++++++++++---------
> >  tools/perf/util/probe-file.h |  1 +
> >  2 files changed, 12 insertions(+), 9 deletions(-)
> > 
> > diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
> > index 436b64731f65..1a62daceb028 100644
> > --- a/tools/perf/util/probe-file.c
> > +++ b/tools/perf/util/probe-file.c
> > @@ -70,7 +70,7 @@ static void print_both_open_warning(int kerr, int uerr)
> >     }
> >  }
> >  
> > -static int open_probe_events(const char *trace_file, bool readwrite)
> > +int open_trace_file(const char *trace_file, bool readwrite)
> >  {
> >     char buf[PATH_MAX];
> >     int ret;
> > @@ -92,12 +92,12 @@ static int open_probe_events(const char *trace_file, 
> > bool readwrite)
> >  
> >  static int open_kprobe_events(bool readwrite)
> >  {
> > -   return open_probe_events("kprobe_events", readwrite);
> > +   return open_trace_file("kprobe_events", readwrite);
> >  }
> >  
> >  static int open_uprobe_events(bool readwrite)
> >  {
> > -   return open_probe_events("uprobe_events", readwrite);
> > +   return open_trace_file("uprobe_events", readwrite);
> >  }
> >  
> >  int probe_file__open(int flag)
> > @@ -899,6 +899,7 @@ bool probe_type_is_available(enum probe_type type)
> >     size_t len = 0;
> >     bool target_line = false;
> >     bool ret = probe_type_table[type].avail;
> > +   int fd;
> >  
> >     if (type >= PROBE_TYPE_END)
> >             return false;
> > @@ -906,14 +907,16 @@ bool probe_type_is_available(enum probe_type type)
> >     if (ret || probe_type_table[type].checked)
> >             return ret;
> >  
> > -   if (asprintf(&buf, "%s/README", tracing_path) < 0)
> > +   fd = open_trace_file("README", false);
> > +   if (fd < 0)
> >             return ret;
> >  
> > -   fp = fopen(buf, "r");
> > -   if (!fp)
> > -           goto end;
> > +   fp = fdopen(fd, "r");
> > +   if (!fp) {
> > +           close(fd);
> > +           return ret;
> > +   }
> >  
> > -   zfree(&buf);
> >     while (getline(&buf, &len, fp) > 0 && !ret) {
> >             if (!target_line) {
> >                     target_line = !!strstr(buf, " type: ");
> > @@ -928,7 +931,6 @@ bool probe_type_is_available(enum probe_type type)
> >     probe_type_table[type].avail = ret;
> >  
> >     fclose(fp);
> > -end:
> >     free(buf);
> >  
> >     return ret;
> > diff --git a/tools/perf/util/probe-file.h b/tools/perf/util/probe-file.h
> > index eba44c3e9dca..a17a82eff8a0 100644
> > --- a/tools/perf/util/probe-file.h
> > +++ b/tools/perf/util/probe-file.h
> > @@ -35,6 +35,7 @@ enum probe_type {
> >  
> >  /* probe-file.c depends on libelf */
> >  #ifdef HAVE_LIBELF_SUPPORT
> > +int open_trace_file(const char *trace_file, bool readwrite);
> >  int probe_file__open(int flag);
> >  int probe_file__open_both(int *kfd, int *ufd, int flag);
> >  struct strlist *probe_file__get_namelist(int fd);
> > -- 
> > 2.11.1
> > 
> 
> 
> -- 
> Masami Hiramatsu <mhira...@kernel.org>

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