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Subject[PATCH 1/7] perf hists: Move the dso and thread filters from hist_browser
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

Since with dynamic addition of new hist entries we need to apply those
filters as we merge new batches of hist_entry instances, for instance in
perf top.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-zjhhf8kh9w1buty9p10od6rz@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/hist.c | 10 ++++---
tools/perf/util/hist.h | 9 +++++-
tools/perf/util/ui/browsers/hists.c | 48 ++++++++++++++++-------------------
3 files changed, 35 insertions(+), 32 deletions(-)
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 8d15e9f..fdff2a8 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1087,7 +1087,7 @@ static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h
hists__calc_col_len(hists, h);
}

-void hists__filter_by_dso(struct hists *hists, const struct dso *dso)
+void hists__filter_by_dso(struct hists *hists)
{
struct rb_node *nd;

@@ -1101,7 +1101,8 @@ void hists__filter_by_dso(struct hists *hists, const struct dso *dso)
if (symbol_conf.exclude_other && !h->parent)
continue;

- if (dso != NULL && (h->ms.map == NULL || h->ms.map->dso != dso)) {
+ if (hists->dso_filter != NULL &&
+ (h->ms.map == NULL || h->ms.map->dso != hists->dso_filter)) {
h->filtered |= (1 << HIST_FILTER__DSO);
continue;
}
@@ -1110,7 +1111,7 @@ void hists__filter_by_dso(struct hists *hists, const struct dso *dso)
}
}

-void hists__filter_by_thread(struct hists *hists, const struct thread *thread)
+void hists__filter_by_thread(struct hists *hists)
{
struct rb_node *nd;

@@ -1121,7 +1122,8 @@ void hists__filter_by_thread(struct hists *hists, const struct thread *thread)
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);

- if (thread != NULL && h->thread != thread) {
+ if (hists->thread_filter != NULL &&
+ h->thread != hists->thread_filter) {
h->filtered |= (1 << HIST_FILTER__THREAD);
continue;
}
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index f338cb0..575bcbc 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -43,12 +43,17 @@ enum hist_column {
HISTC_NR_COLS, /* Last entry */
};

+struct thread;
+struct dso;
+
struct hists {
struct rb_root entries_in_array[2];
struct rb_root *entries_in;
struct rb_root entries;
struct rb_root entries_collapsed;
u64 nr_entries;
+ const struct thread *thread_filter;
+ const struct dso *dso_filter;
pthread_mutex_t lock;
struct events_stats stats;
u64 event_stream;
@@ -91,8 +96,8 @@ size_t hists__fprintf(struct hists *self, struct hists *pair,
int hist_entry__inc_addr_samples(struct hist_entry *self, int evidx, u64 addr);
int hist_entry__annotate(struct hist_entry *self, size_t privsize);

-void hists__filter_by_dso(struct hists *self, const struct dso *dso);
-void hists__filter_by_thread(struct hists *self, const struct thread *thread);
+void hists__filter_by_dso(struct hists *hists);
+void hists__filter_by_thread(struct hists *hists);

u16 hists__col_len(struct hists *self, enum hist_column col);
void hists__set_col_len(struct hists *self, enum hist_column col, u16 len);
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index 936e641..94e1ab0 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -24,14 +24,11 @@ struct hist_browser {
struct hists *hists;
struct hist_entry *he_selection;
struct map_symbol *selection;
- const struct thread *thread_filter;
- const struct dso *dso_filter;
bool has_symbols;
};

static int hists__browser_title(struct hists *self, char *bf, size_t size,
- const char *ev_name, const struct dso *dso,
- const struct thread *thread);
+ const char *ev_name);

static void hist_browser__refresh_dimensions(struct hist_browser *self)
{
@@ -307,8 +304,7 @@ static int hist_browser__run(struct hist_browser *self, const char *ev_name,
self->b.nr_entries = self->hists->nr_entries;

hist_browser__refresh_dimensions(self);
- hists__browser_title(self->hists, title, sizeof(title), ev_name,
- self->dso_filter, self->thread_filter);
+ hists__browser_title(self->hists, title, sizeof(title), ev_name);

if (ui_browser__show(&self->b, title,
"Press '?' for help on key bindings") < 0)
@@ -323,8 +319,7 @@ static int hist_browser__run(struct hist_browser *self, const char *ev_name,
timer(arg);
ui_browser__update_nr_entries(&self->b, self->hists->nr_entries);
hists__browser_title(self->hists, title, sizeof(title),
- ev_name, self->dso_filter,
- self->thread_filter);
+ ev_name);
ui_browser__show_title(&self->b, title);
continue;
case 'D': { /* Debug */
@@ -809,11 +804,12 @@ static struct thread *hist_browser__selected_thread(struct hist_browser *self)
}

static int hists__browser_title(struct hists *self, char *bf, size_t size,
- const char *ev_name, const struct dso *dso,
- const struct thread *thread)
+ const char *ev_name)
{
char unit;
int printed;
+ const struct dso *dso = self->dso_filter;
+ const struct thread *thread = self->thread_filter;
unsigned long nr_events = self->stats.nr_events[PERF_RECORD_SAMPLE];

nr_events = convert_unit(nr_events, &unit);
@@ -917,9 +913,9 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
continue;
}
top = pstack__pop(fstack);
- if (top == &browser->dso_filter)
+ if (top == &browser->hists->dso_filter)
goto zoom_out_dso;
- if (top == &browser->thread_filter)
+ if (top == &browser->hists->thread_filter)
goto zoom_out_thread;
continue;
}
@@ -947,14 +943,14 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,

if (thread != NULL &&
asprintf(&options[nr_options], "Zoom %s %s(%d) thread",
- (browser->thread_filter ? "out of" : "into"),
+ (browser->hists->thread_filter ? "out of" : "into"),
(thread->comm_set ? thread->comm : ""),
thread->pid) > 0)
zoom_thread = nr_options++;

if (dso != NULL &&
asprintf(&options[nr_options], "Zoom %s %s DSO",
- (browser->dso_filter ? "out of" : "into"),
+ (browser->hists->dso_filter ? "out of" : "into"),
(dso->kernel ? "the Kernel" : dso->short_name)) > 0)
zoom_dso = nr_options++;

@@ -994,36 +990,36 @@ do_annotate:
map__browse(browser->selection->map);
else if (choice == zoom_dso) {
zoom_dso:
- if (browser->dso_filter) {
- pstack__remove(fstack, &browser->dso_filter);
+ if (browser->hists->dso_filter) {
+ pstack__remove(fstack, &browser->hists->dso_filter);
zoom_out_dso:
ui_helpline__pop();
- browser->dso_filter = NULL;
+ browser->hists->dso_filter = NULL;
} else {
if (dso == NULL)
continue;
ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"",
dso->kernel ? "the Kernel" : dso->short_name);
- browser->dso_filter = dso;
- pstack__push(fstack, &browser->dso_filter);
+ browser->hists->dso_filter = dso;
+ pstack__push(fstack, &browser->hists->dso_filter);
}
- hists__filter_by_dso(self, browser->dso_filter);
+ hists__filter_by_dso(self);
hist_browser__reset(browser);
} else if (choice == zoom_thread) {
zoom_thread:
- if (browser->thread_filter) {
- pstack__remove(fstack, &browser->thread_filter);
+ if (browser->hists->thread_filter) {
+ pstack__remove(fstack, &browser->hists->thread_filter);
zoom_out_thread:
ui_helpline__pop();
- browser->thread_filter = NULL;
+ browser->hists->thread_filter = NULL;
} else {
ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"",
thread->comm_set ? thread->comm : "",
thread->pid);
- browser->thread_filter = thread;
- pstack__push(fstack, &browser->thread_filter);
+ browser->hists->thread_filter = thread;
+ pstack__push(fstack, &browser->hists->thread_filter);
}
- hists__filter_by_thread(self, browser->thread_filter);
+ hists__filter_by_thread(self);
hist_browser__reset(browser);
}
}
--
1.6.2.5


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