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Message-ID: <20150519070100.GK21663@sejong>
Date: Tue, 19 May 2015 16:01:00 +0900
From: Namhyung Kim <namhyung@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Ingo Molnar <mingo@...nel.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Jiri Olsa <jolsa@...hat.com>,
LKML <linux-kernel@...r.kernel.org>,
David Ahern <dsahern@...il.com>,
Adrian Hunter <adrian.hunter@...el.com>,
Andi Kleen <andi@...stfloor.org>,
Frederic Weisbecker <fweisbec@...il.com>,
Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 16/40] perf tools: Reducing arguments of
hist_entry_iter__add()
On Mon, May 18, 2015 at 09:55:41AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Mon, May 18, 2015 at 09:30:31AM +0900, Namhyung Kim escreveu:
> > The evsel and sample arguments are to set iter for later use. As it
> > also receives an iter as another argument, just set them before
> > calling the function.
>
> This looks like can be applied sooner, tried but it didn't apply :-\
I'll send it as a separate patch.
Thanks,
Namhyung
>
> - Arnaldo
>
> > Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> > ---
> > tools/perf/builtin-report.c | 9 +++++----
> > tools/perf/builtin-top.c | 7 ++++---
> > tools/perf/tests/hists_cumulate.c | 6 ++++--
> > tools/perf/tests/hists_filter.c | 4 +++-
> > tools/perf/tests/hists_output.c | 6 ++++--
> > tools/perf/util/hist.c | 8 ++------
> > tools/perf/util/hist.h | 1 -
> > 7 files changed, 22 insertions(+), 19 deletions(-)
> >
> > diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
> > index fee770935eab..decd9e8584b5 100644
> > --- a/tools/perf/builtin-report.c
> > +++ b/tools/perf/builtin-report.c
> > @@ -139,8 +139,10 @@ static int process_sample_event(struct perf_tool *tool,
> > struct report *rep = container_of(tool, struct report, tool);
> > struct addr_location al;
> > struct hist_entry_iter iter = {
> > - .hide_unresolved = rep->hide_unresolved,
> > - .add_entry_cb = hist_iter__report_callback,
> > + .evsel = evsel,
> > + .sample = sample,
> > + .hide_unresolved = rep->hide_unresolved,
> > + .add_entry_cb = hist_iter__report_callback,
> > };
> > int ret = 0;
> >
> > @@ -168,8 +170,7 @@ static int process_sample_event(struct perf_tool *tool,
> > if (al.map != NULL)
> > al.map->dso->hit = 1;
> >
> > - ret = hist_entry_iter__add(&iter, &al, evsel, sample, rep->max_stack,
> > - rep);
> > + ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep);
> > if (ret < 0)
> > pr_debug("problem adding hist entry, skipping event\n");
> > out_put:
> > diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
> > index a19351728f0f..6b987424d015 100644
> > --- a/tools/perf/builtin-top.c
> > +++ b/tools/perf/builtin-top.c
> > @@ -775,7 +775,9 @@ static void perf_event__process_sample(struct perf_tool *tool,
> > if (al.sym == NULL || !al.sym->ignore) {
> > struct hists *hists = evsel__hists(evsel);
> > struct hist_entry_iter iter = {
> > - .add_entry_cb = hist_iter__top_callback,
> > + .evsel = evsel,
> > + .sample = sample,
> > + .add_entry_cb = hist_iter__top_callback,
> > };
> >
> > if (symbol_conf.cumulate_callchain)
> > @@ -785,8 +787,7 @@ static void perf_event__process_sample(struct perf_tool *tool,
> >
> > pthread_mutex_lock(&hists->lock);
> >
> > - err = hist_entry_iter__add(&iter, &al, evsel, sample,
> > - top->max_stack, top);
> > + err = hist_entry_iter__add(&iter, &al, top->max_stack, top);
> > if (err < 0)
> > pr_err("Problem incrementing symbol period, skipping event\n");
> >
> > diff --git a/tools/perf/tests/hists_cumulate.c b/tools/perf/tests/hists_cumulate.c
> > index 620f626e5b35..7d82c8be5e36 100644
> > --- a/tools/perf/tests/hists_cumulate.c
> > +++ b/tools/perf/tests/hists_cumulate.c
> > @@ -87,6 +87,8 @@ static int add_hist_entries(struct hists *hists, struct machine *machine)
> > },
> > };
> > struct hist_entry_iter iter = {
> > + .evsel = evsel,
> > + .sample = &sample,
> > .hide_unresolved = false,
> > };
> >
> > @@ -104,8 +106,8 @@ static int add_hist_entries(struct hists *hists, struct machine *machine)
> > &sample) < 0)
> > goto out;
> >
> > - if (hist_entry_iter__add(&iter, &al, evsel, &sample,
> > - PERF_MAX_STACK_DEPTH, NULL) < 0) {
> > + if (hist_entry_iter__add(&iter, &al, PERF_MAX_STACK_DEPTH,
> > + NULL) < 0) {
> > addr_location__put(&al);
> > goto out;
> > }
> > diff --git a/tools/perf/tests/hists_filter.c b/tools/perf/tests/hists_filter.c
> > index 82e1ee52e024..ce48775e6ada 100644
> > --- a/tools/perf/tests/hists_filter.c
> > +++ b/tools/perf/tests/hists_filter.c
> > @@ -63,6 +63,8 @@ static int add_hist_entries(struct perf_evlist *evlist,
> > },
> > };
> > struct hist_entry_iter iter = {
> > + .evsel = evsel,
> > + .sample = &sample,
> > .ops = &hist_iter_normal,
> > .hide_unresolved = false,
> > };
> > @@ -81,7 +83,7 @@ static int add_hist_entries(struct perf_evlist *evlist,
> > &sample) < 0)
> > goto out;
> >
> > - if (hist_entry_iter__add(&iter, &al, evsel, &sample,
> > + if (hist_entry_iter__add(&iter, &al,
> > PERF_MAX_STACK_DEPTH, NULL) < 0) {
> > addr_location__put(&al);
> > goto out;
> > diff --git a/tools/perf/tests/hists_output.c b/tools/perf/tests/hists_output.c
> > index fd7ec4f9aeb4..adbebc852cc8 100644
> > --- a/tools/perf/tests/hists_output.c
> > +++ b/tools/perf/tests/hists_output.c
> > @@ -57,6 +57,8 @@ static int add_hist_entries(struct hists *hists, struct machine *machine)
> > },
> > };
> > struct hist_entry_iter iter = {
> > + .evsel = evsel,
> > + .sample = &sample,
> > .ops = &hist_iter_normal,
> > .hide_unresolved = false,
> > };
> > @@ -70,8 +72,8 @@ static int add_hist_entries(struct hists *hists, struct machine *machine)
> > &sample) < 0)
> > goto out;
> >
> > - if (hist_entry_iter__add(&iter, &al, evsel, &sample,
> > - PERF_MAX_STACK_DEPTH, NULL) < 0) {
> > + if (hist_entry_iter__add(&iter, &al, PERF_MAX_STACK_DEPTH,
> > + NULL) < 0) {
> > addr_location__put(&al);
> > goto out;
> > }
> > diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
> > index f13993e53e4e..b492968913e1 100644
> > --- a/tools/perf/util/hist.c
> > +++ b/tools/perf/util/hist.c
> > @@ -852,19 +852,15 @@ const struct hist_iter_ops hist_iter_cumulative = {
> > };
> >
> > int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
> > - struct perf_evsel *evsel, struct perf_sample *sample,
> > int max_stack_depth, void *arg)
> > {
> > int err, err2;
> >
> > - err = sample__resolve_callchain(sample, &iter->parent, evsel, al,
> > - max_stack_depth);
> > + err = sample__resolve_callchain(iter->sample, &iter->parent,
> > + iter->evsel, al, max_stack_depth);
> > if (err)
> > return err;
> >
> > - iter->evsel = evsel;
> > - iter->sample = sample;
> > -
> > err = iter->ops->prepare_entry(iter, al);
> > if (err)
> > goto out;
> > diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
> > index 43ffe62e25d2..d47f6730f6a4 100644
> > --- a/tools/perf/util/hist.h
> > +++ b/tools/perf/util/hist.h
> > @@ -111,7 +111,6 @@ struct hist_entry *__hists__add_entry(struct hists *hists,
> > u64 weight, u64 transaction,
> > u64 timestamp, bool sample_self);
> > int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
> > - struct perf_evsel *evsel, struct perf_sample *sample,
> > int max_stack_depth, void *arg);
> >
> > int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right);
> > --
> > 2.4.0
> --
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