From 9283ba9bd77a6940ecad8721429131d773c704b8 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Thu, 24 Apr 2014 16:37:26 +0900 Subject: [PATCH] perf hists: Add a couple of hists stat helper functions Add hists__{reset,inc}_[filter_]stats() functions to cleanup accesses to hist stats (for output). Note that number of samples in the stat is not handled here since it belongs to the input stage. Signed-off-by: Namhyung Kim Link: http://lkml.kernel.org/r/1398327843-31845-5-git-send-email-namhyung@kernel.org Signed-off-by: Jiri Olsa --- tools/perf/builtin-diff.c | 5 +--- tools/perf/util/hist.c | 59 ++++++++++++++++++++++++++++++----------------- tools/perf/util/hist.h | 1 + 3 files changed, 40 insertions(+), 25 deletions(-) diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index c9cc771f182a..52d91ac4e6c8 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -573,10 +573,7 @@ static void hists__compute_resort(struct hists *hists) hists->entries = RB_ROOT; next = rb_first(root); - hists->nr_entries = 0; - hists->nr_non_filtered_entries = 0; - hists->stats.total_period = 0; - hists->stats.total_non_filtered_period = 0; + hists__reset_stats(hists); hists__reset_col_len(hists); while (next != NULL) { diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index f5b388e50265..b675857883a2 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -317,16 +317,6 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template) return he; } -void hists__inc_stats(struct hists *hists, struct hist_entry *h) -{ - if (!h->filtered) { - hists->nr_non_filtered_entries++; - hists->stats.total_non_filtered_period += h->stat.period; - } - hists->nr_entries++; - hists->stats.total_period += h->stat.period; -} - static u8 symbol__parent_filter(const struct symbol *parent) { if (symbol_conf.exclude_other && parent == NULL) @@ -632,6 +622,35 @@ out: return ret; } +static void hists__reset_filter_stats(struct hists *hists) +{ + hists->nr_non_filtered_entries = 0; + hists->stats.total_non_filtered_period = 0; +} + +void hists__reset_stats(struct hists *hists) +{ + hists->nr_entries = 0; + hists->stats.total_period = 0; + + hists__reset_filter_stats(hists); +} + +static void hists__inc_filter_stats(struct hists *hists, struct hist_entry *h) +{ + hists->nr_non_filtered_entries++; + hists->stats.total_non_filtered_period += h->stat.period; +} + +void hists__inc_stats(struct hists *hists, struct hist_entry *h) +{ + if (!h->filtered) + hists__inc_filter_stats(hists, h); + + hists->nr_entries++; + hists->stats.total_period += h->stat.period; +} + static void __hists__insert_output_entry(struct rb_root *entries, struct hist_entry *he, u64 min_callchain_hits) @@ -675,9 +694,7 @@ void hists__output_resort(struct hists *hists) next = rb_first(root); hists->entries = RB_ROOT; - hists->nr_non_filtered_entries = 0; - hists->stats.total_period = 0; - hists->stats.total_non_filtered_period = 0; + hists__reset_stats(hists); hists__reset_col_len(hists); while (next) { @@ -699,13 +716,13 @@ static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h if (h->filtered) return; - ++hists->nr_non_filtered_entries; if (h->ms.unfolded) hists->nr_non_filtered_entries += h->nr_rows; h->row_offset = 0; - hists->stats.total_non_filtered_period += h->stat.period; + hists->stats.nr_non_filtered_samples += h->stat.nr_events; + hists__inc_filter_stats(hists, h); hists__calc_col_len(hists, h); } @@ -726,9 +743,9 @@ void hists__filter_by_dso(struct hists *hists) { struct rb_node *nd; - hists->nr_non_filtered_entries = 0; - hists->stats.total_non_filtered_period = 0; hists->stats.nr_non_filtered_samples = 0; + + hists__reset_filter_stats(hists); hists__reset_col_len(hists); for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { @@ -760,9 +777,9 @@ void hists__filter_by_thread(struct hists *hists) { struct rb_node *nd; - hists->nr_non_filtered_entries = 0; - hists->stats.total_non_filtered_period = 0; hists->stats.nr_non_filtered_samples = 0; + + hists__reset_filter_stats(hists); hists__reset_col_len(hists); for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { @@ -792,9 +809,9 @@ void hists__filter_by_symbol(struct hists *hists) { struct rb_node *nd; - hists->nr_non_filtered_entries = 0; - hists->stats.total_non_filtered_period = 0; hists->stats.nr_non_filtered_samples = 0; + + hists__reset_filter_stats(hists); hists__reset_col_len(hists); for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 51478c94d976..ef1ad7a948c0 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -116,6 +116,7 @@ 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); u64 hists__total_period(struct hists *hists); +void hists__reset_stats(struct hists *hists); void hists__inc_stats(struct hists *hists, struct hist_entry *h); void hists__inc_nr_events(struct hists *hists, u32 type); void events_stats__inc(struct events_stats *stats, u32 type); -- 2.11.4.GIT