Em Sat, Jun 20, 2015 at 12:05:31AM +0200, Jiri Olsa escreveu:
> On Fri, Jun 19, 2015 at 06:07:13PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Thu, Jun 18, 2015 at 11:48:40PM +0200, Jiri Olsa escreveu:
> > > We need to store command names with the pid. Changing
> > > map to be struct holding pid. Process name is coming
> > > in shortly.
> > >
> > > Link: http://lkml.kernel.org/n/tip-z4zuyvcxa6glzqm8qubk6...@git.kernel.org
> > > Signed-off-by: Jiri Olsa <jo...@kernel.org>
> > > ---
> > > tools/perf/builtin-trace.c | 4 ++--
> > > tools/perf/tests/openat-syscall-tp-fields.c | 2 +-
> > > tools/perf/util/auxtrace.c | 4 ++--
> > > tools/perf/util/event.c | 6 +++---
> > > tools/perf/util/evlist.c | 4 ++--
> > > tools/perf/util/evsel.c | 2 +-
> > > tools/perf/util/thread_map.c | 22 +++++++++++-----------
> > > tools/perf/util/thread_map.h | 8 +++++++-
> > > 8 files changed, 29 insertions(+), 23 deletions(-)
> > >
> > > diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
> > > index 4bf805b2fbf6..b75a68c385ea 100644
> > > --- a/tools/perf/builtin-trace.c
> > > +++ b/tools/perf/builtin-trace.c
> > > @@ -2324,7 +2324,7 @@ static int trace__run(struct trace *trace, int
> > > argc, const char **argv)
> > > */
> > > if (trace->filter_pids.nr > 0)
> > > err = perf_evlist__set_filter_pids(evlist,
> > > trace->filter_pids.nr, trace->filter_pids.entries);
> > > - else if (evlist->threads->map[0] == -1)
> > > + else if (thread_map__pid(evlist->threads, 0) == -1)
> > > err = perf_evlist__set_filter_pid(evlist, getpid());
> > >
> > > if (err < 0) {
> > > @@ -2342,7 +2342,7 @@ static int trace__run(struct trace *trace, int
> > > argc, const char **argv)
> > > if (forks)
> > > perf_evlist__start_workload(evlist);
> > >
> > > - trace->multiple_threads = evlist->threads->map[0] == -1 ||
> > > + trace->multiple_threads = thread_map__pid(evlist->threads, 0) == -1 ||
> > > evlist->threads->nr > 1 ||
> > > perf_evlist__first(evlist)->attr.inherit;
> > > again:
> > > diff --git a/tools/perf/tests/openat-syscall-tp-fields.c
> > > b/tools/perf/tests/openat-syscall-tp-fields.c
> > > index 6245221479d7..ebc6e7938c9a 100644
> > > --- a/tools/perf/tests/openat-syscall-tp-fields.c
> > > +++ b/tools/perf/tests/openat-syscall-tp-fields.c
> > > @@ -45,7 +45,7 @@ int test__syscall_openat_tp_fields(void)
> > >
> > > perf_evsel__config(evsel, &opts);
> > >
> > > - evlist->threads->map[0] = getpid();
> > > + thread_map__pid(evlist->threads, 0) = getpid();
> >
> > So this 'function(parms) = something' idiom looks ugly/unfamiliar, can't
> > we keep using:
> >
> > evlist->thread->map[0].pid = getpid();
>
> hum, I like it more than above line.. what's ugly about that assignment?
>
> I'm adding thread_map__comm to access new 'comm' member,
> so I wanted to introduce easy accessors for both members
>
> get/set functions seem like overkill.. we could use upper case to state
> that it's a macro:
>
> THREAD_MAP__PID(evlist->threads, 0) = getpid();
>
> anyway I can keep the original way if you insist ;-)
I really think that
foo(a, b, c) = bla;
is ugly :-\
*foo(a, b, c) = bla;
Is uglier tho, bored right now to go beyond aesthetics tho :-\
- Arnaldo
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