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Subject[tip:perf/core] perf hists: Add argument to hists__resort_cb_t callback
Commit-ID:  e4c38fd4a0f594d8ce0313db028af98b36edc8b3
Gitweb: https://git.kernel.org/tip/e4c38fd4a0f594d8ce0313db028af98b36edc8b3
Author: Jiri Olsa <jolsa@kernel.org>
AuthorDate: Mon, 4 Feb 2019 15:18:06 +0100
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 6 Feb 2019 10:00:39 -0300

perf hists: Add argument to hists__resort_cb_t callback

Add argument to hists__resort_cb_t so that we can pass data from upper
layers to the callback function. It will be used in the following
patches.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190204141808.23031-2-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-c2c.c | 8 ++++----
tools/perf/util/hist.c | 11 ++++++-----
tools/perf/util/hist.h | 2 +-
3 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index b2bf117881f1..efaaab23c6fd 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -1970,7 +1970,7 @@ static void calc_width(struct c2c_hist_entry *c2c_he)
set_nodestr(c2c_he);
}

-static int filter_cb(struct hist_entry *he)
+static int filter_cb(struct hist_entry *he, void *arg __maybe_unused)
{
struct c2c_hist_entry *c2c_he;

@@ -1987,7 +1987,7 @@ static int filter_cb(struct hist_entry *he)
return 0;
}

-static int resort_cl_cb(struct hist_entry *he)
+static int resort_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
{
struct c2c_hist_entry *c2c_he;
struct c2c_hists *c2c_hists;
@@ -2074,7 +2074,7 @@ static int setup_nodes(struct perf_session *session)

#define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)

-static int resort_hitm_cb(struct hist_entry *he)
+static int resort_hitm_cb(struct hist_entry *he, void *arg __maybe_unused)
{
struct c2c_hist_entry *c2c_he;
c2c_he = container_of(he, struct c2c_hist_entry, he);
@@ -2096,7 +2096,7 @@ static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
struct hist_entry *he;

he = rb_entry(next, struct hist_entry, rb_node);
- ret = cb(he);
+ ret = cb(he, NULL);
if (ret)
break;
next = rb_next(&he->rb_node);
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 7f9df74ab893..64ad603a0592 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1721,7 +1721,8 @@ static void __hists__insert_output_entry(struct rb_root_cached *entries,
}

static void output_resort(struct hists *hists, struct ui_progress *prog,
- bool use_callchain, hists__resort_cb_t cb)
+ bool use_callchain, hists__resort_cb_t cb,
+ void *cb_arg)
{
struct rb_root_cached *root;
struct rb_node *next;
@@ -1760,7 +1761,7 @@ static void output_resort(struct hists *hists, struct ui_progress *prog,
n = rb_entry(next, struct hist_entry, rb_node_in);
next = rb_next(&n->rb_node_in);

- if (cb && cb(n))
+ if (cb && cb(n, cb_arg))
continue;

__hists__insert_output_entry(&hists->entries, n, min_callchain_hits, use_callchain);
@@ -1785,18 +1786,18 @@ void perf_evsel__output_resort(struct perf_evsel *evsel, struct ui_progress *pro

use_callchain |= symbol_conf.show_branchflag_count;

- output_resort(evsel__hists(evsel), prog, use_callchain, NULL);
+ output_resort(evsel__hists(evsel), prog, use_callchain, NULL, NULL);
}

void hists__output_resort(struct hists *hists, struct ui_progress *prog)
{
- output_resort(hists, prog, symbol_conf.use_callchain, NULL);
+ output_resort(hists, prog, symbol_conf.use_callchain, NULL, NULL);
}

void hists__output_resort_cb(struct hists *hists, struct ui_progress *prog,
hists__resort_cb_t cb)
{
- output_resort(hists, prog, symbol_conf.use_callchain, cb);
+ output_resort(hists, prog, symbol_conf.use_callchain, cb, NULL);
}

static bool can_goto_child(struct hist_entry *he, enum hierarchy_move_dir hmd)
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 6b872079ead5..69a367d4aeaf 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -163,7 +163,7 @@ int hist_entry__snprintf_alignment(struct hist_entry *he, struct perf_hpp *hpp,
struct perf_hpp_fmt *fmt, int printed);
void hist_entry__delete(struct hist_entry *he);

-typedef int (*hists__resort_cb_t)(struct hist_entry *he);
+typedef int (*hists__resort_cb_t)(struct hist_entry *he, void *arg);

void perf_evsel__output_resort(struct perf_evsel *evsel, struct ui_progress *prog);
void hists__output_resort(struct hists *hists, struct ui_progress *prog);
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