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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>
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@ -502,6 +502,7 @@ static void flush_sample_queue(struct perf_session *s,
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struct perf_sample sample;
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u64 limit = os->next_flush;
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u64 last_ts = os->last_sample ? os->last_sample->timestamp : 0ULL;
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unsigned idx = 0, progress_next = os->nr_samples / 16;
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int ret;
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if (!ops->ordered_samples || !limit)
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@ -521,6 +522,11 @@ static void flush_sample_queue(struct perf_session *s,
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os->last_flush = iter->timestamp;
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list_del(&iter->list);
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list_add(&iter->list, &os->sample_cache);
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if (++idx >= progress_next) {
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progress_next += os->nr_samples / 16;
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ui_progress__update(idx, os->nr_samples,
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"Processing time ordered events...");
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}
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}
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if (list_empty(head)) {
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@ -529,6 +535,8 @@ static void flush_sample_queue(struct perf_session *s,
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os->last_sample =
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list_entry(head->prev, struct sample_queue, list);
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}
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os->nr_samples = 0;
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}
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/*
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@ -588,6 +596,7 @@ static void __queue_event(struct sample_queue *new, struct perf_session *s)
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u64 timestamp = new->timestamp;
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struct list_head *p;
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++os->nr_samples;
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os->last_sample = new;
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if (!sample) {
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@ -23,6 +23,7 @@ struct ordered_samples {
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struct sample_queue *sample_buffer;
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struct sample_queue *last_sample;
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int sample_buffer_idx;
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unsigned int nr_samples;
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};
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struct perf_session {
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