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Message-ID: <20150518125541.GF15972@kernel.org>
Date: Mon, 18 May 2015 09:55:41 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Namhyung Kim <namhyung@...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()
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 :-\
- 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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