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perf tools: Show progress on histogram collapsing

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It can take quite amount of time so add progress bar UI to inform user.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1381468543-25334-4-git-send-email-namhyung@kernel.org
[ perf_progress -> ui_progress ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2013-10-11 14:15:38 +09:00 committed by Arnaldo Carvalho de Melo
parent 4d3001fdfd
commit c1fb5651bb
7 changed files with 20 additions and 8 deletions
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2
tools/perf/builtin-annotate.c
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@ -247,7 +247,7 @@ static int __cmd_annotate(struct perf_annotate *ann)
if (nr_samples > 0) {
total_nr_samples += nr_samples;
hists__collapse_resort(hists);
hists__collapse_resort(hists, NULL);
hists__output_resort(hists);
if (symbol_conf.event_group &&

2
tools/perf/builtin-diff.c
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@ -369,7 +369,7 @@ static void perf_evlist__collapse_resort(struct perf_evlist *evlist)
list_for_each_entry(evsel, &evlist->entries, node) {
struct hists *hists = &evsel->hists;
hists__collapse_resort(hists);
hists__collapse_resort(hists, NULL);
}
}

10
tools/perf/builtin-report.c
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@ -496,6 +496,7 @@ static int __cmd_report(struct perf_report *rep)
struct map *kernel_map;
struct kmap *kernel_kmap;
const char *help = "For a higher level overview, try: perf report --sort comm,dso";
struct ui_progress prog;
struct perf_data_file *file = session->file;
signal(SIGINT, sig_handler);
@ -557,6 +558,12 @@ static int __cmd_report(struct perf_report *rep)
return 0;
}
nr_samples = 0;
list_for_each_entry(pos, &session->evlist->entries, node)
nr_samples += pos->hists.nr_entries;
ui_progress__init(&prog, nr_samples, "Merging related events...");
nr_samples = 0;
list_for_each_entry(pos, &session->evlist->entries, node) {
struct hists *hists = &pos->hists;
@ -564,7 +571,7 @@ static int __cmd_report(struct perf_report *rep)
if (pos->idx == 0)
hists->symbol_filter_str = rep->symbol_filter_str;
hists__collapse_resort(hists);
hists__collapse_resort(hists, &prog);
nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
/* Non-group events are considered as leader */
@ -576,6 +583,7 @@ static int __cmd_report(struct perf_report *rep)
hists__link(leader_hists, hists);
}
}
ui_progress__finish();
if (session_done())
return 0;

4
tools/perf/builtin-top.c
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@ -286,7 +286,7 @@ static void perf_top__print_sym_table(struct perf_top *top)
return;
}
hists__collapse_resort(&top->sym_evsel->hists);
hists__collapse_resort(&top->sym_evsel->hists, NULL);
hists__output_resort(&top->sym_evsel->hists);
hists__decay_entries(&top->sym_evsel->hists,
top->hide_user_symbols,
@ -552,7 +552,7 @@ static void perf_top__sort_new_samples(void *arg)
if (t->evlist->selected != NULL)
t->sym_evsel = t->evlist->selected;
hists__collapse_resort(&t->sym_evsel->hists);
hists__collapse_resort(&t->sym_evsel->hists, NULL);
hists__output_resort(&t->sym_evsel->hists);
hists__decay_entries(&t->sym_evsel->hists,
t->hide_user_symbols,

2
tools/perf/tests/hists_link.c
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@ -467,7 +467,7 @@ int test__hists_link(void)
goto out;
list_for_each_entry(evsel, &evlist->entries, node) {
hists__collapse_resort(&evsel->hists);
hists__collapse_resort(&evsel->hists, NULL);
if (verbose > 2)
print_hists(&evsel->hists);

5
tools/perf/util/hist.c
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@ -399,6 +399,7 @@ static struct hist_entry *add_hist_entry(struct hists *hists,
if (!he)
return NULL;
hists->nr_entries++;
rb_link_node(&he->rb_node_in, parent, p);
rb_insert_color(&he->rb_node_in, hists->entries_in);
out:
@ -604,7 +605,7 @@ static void hists__apply_filters(struct hists *hists, struct hist_entry *he)
hists__filter_entry_by_symbol(hists, he);
}
void hists__collapse_resort(struct hists *hists)
void hists__collapse_resort(struct hists *hists, struct ui_progress *prog)
{
struct rb_root *root;
struct rb_node *next;
@ -631,6 +632,8 @@ void hists__collapse_resort(struct hists *hists)
*/
hists__apply_filters(hists, n);
}
if (prog)
ui_progress__update(prog, 1);
}
}

3
tools/perf/util/hist.h
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@ -5,6 +5,7 @@
#include <pthread.h>
#include "callchain.h"
#include "header.h"
#include "ui/progress.h"
extern struct callchain_param callchain_param;
@ -108,7 +109,7 @@ struct hist_entry *__hists__add_mem_entry(struct hists *self,
u64 weight);
void hists__output_resort(struct hists *self);
void hists__collapse_resort(struct hists *self);
void hists__collapse_resort(struct hists *self, struct ui_progress *prog);
void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel);
void hists__output_recalc_col_len(struct hists *hists, int max_rows);