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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-10-29 12:41:45 -0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-11-02 12:28:35 -0200 |
| commit | 886605636e656afeb6fad5e83dbf36967f65cfa5 (patch) | |
| tree | 410b8bf4a9d98afd2b7f4901b053a94692f1a1ec /tools | |
| parent | 7b27509fc62686c53e9301560034e6b0b001174d (diff) | |
| download | lwn-886605636e656afeb6fad5e83dbf36967f65cfa5.tar.gz lwn-886605636e656afeb6fad5e83dbf36967f65cfa5.zip | |
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>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/session.c | 9 | ||||
| -rw-r--r-- | tools/perf/util/session.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index da354fe5e085..85c1e6b76f0a 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -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) { diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index 514b06d41f05..6e393c98eb34 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -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 { |