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perf report: Add progress bar when processing time ordered events 

So that for large perf.data files the user can have visual feedback that
activity is being performed.

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-3ysn01mpspfrbsy56gznzqqz@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2011-10-29 12:41:45 -02:00
parent 7b27509fc6
commit 886605636e
2 changed files with 10 additions and 0 deletions
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9
tools/perf/util/session.c
View File

@ -502,6 +502,7 @@ static void flush_sample_queue(struct perf_session *s,
struct perf_sample sample;
u64 limit = os->next_flush;
u64 last_ts = os->last_sample ? os->last_sample->timestamp : 0ULL;
unsigned idx = 0, progress_next = os->nr_samples / 16;
int ret;
if (!ops->ordered_samples || !limit)
@ -521,6 +522,11 @@ static void flush_sample_queue(struct perf_session *s,
os->last_flush = iter->timestamp;
list_del(&iter->list);
list_add(&iter->list, &os->sample_cache);
if (++idx >= progress_next) {
progress_next += os->nr_samples / 16;
ui_progress__update(idx, os->nr_samples,
"Processing time ordered events...");
}
}
if (list_empty(head)) {
@ -529,6 +535,8 @@ static void flush_sample_queue(struct perf_session *s,
os->last_sample =
list_entry(head->prev, struct sample_queue, list);
}
os->nr_samples = 0;
}
/*
@ -588,6 +596,7 @@ static void __queue_event(struct sample_queue *new, struct perf_session *s)
u64 timestamp = new->timestamp;
struct list_head *p;
++os->nr_samples;
os->last_sample = new;
if (!sample) {

1
tools/perf/util/session.h
View File

@ -23,6 +23,7 @@ struct ordered_samples {
struct sample_queue *sample_buffer;
struct sample_queue *last_sample;
int sample_buffer_idx;
unsigned int nr_samples;
};
struct perf_session {