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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-11-08 17:54:33 -0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-11-08 17:57:37 -0300 |
commit | 95529be47855be6350dfd0b9cd09ea863ca7421f (patch) | |
tree | b68e3cdd61af81390a92523efc53967c4a7a4df8 /tools | |
parent | b821c7325354c589ccc9611cf9e6b0d7490ed6a6 (diff) | |
download | kernel_goldelico_gta04-95529be47855be6350dfd0b9cd09ea863ca7421f.zip kernel_goldelico_gta04-95529be47855be6350dfd0b9cd09ea863ca7421f.tar.gz kernel_goldelico_gta04-95529be47855be6350dfd0b9cd09ea863ca7421f.tar.bz2 |
perf diff: Move hists__match to the hists lib
Its not 'diff' specific and will be useful for other use cases, like
bucketizing multiple events in a single session.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
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-o35urjgxfxxm70aw1wa81s4w@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r-- | tools/perf/builtin-diff.c | 35 | ||||
-rw-r--r-- | tools/perf/util/hist.c | 37 | ||||
-rw-r--r-- | tools/perf/util/hist.h | 2 |
3 files changed, 40 insertions, 34 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 8a9db38..e99fb3b 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -334,39 +334,6 @@ static void hists__name_resort(struct hists *self, bool sort) self->entries = tmp; } -static struct hist_entry *hists__find_entry(struct hists *self, - struct hist_entry *he) -{ - struct rb_node *n = self->entries.rb_node; - - while (n) { - struct hist_entry *iter = rb_entry(n, struct hist_entry, rb_node); - int64_t cmp = hist_entry__cmp(he, iter); - - if (cmp < 0) - n = n->rb_left; - else if (cmp > 0) - n = n->rb_right; - else - return iter; - } - - return NULL; -} - -static void hists__match(struct hists *older, struct hists *newer) -{ - struct rb_node *nd; - - for (nd = rb_first(&newer->entries); nd; nd = rb_next(nd)) { - struct hist_entry *pos = rb_entry(nd, struct hist_entry, rb_node), - *pair = hists__find_entry(older, pos); - - if (pair) - hist__entry_add_pair(pos, pair); - } -} - static struct perf_evsel *evsel_match(struct perf_evsel *evsel, struct perf_evlist *evlist) { @@ -520,7 +487,7 @@ static void hists__compute_resort(struct hists *hists) static void hists__process(struct hists *old, struct hists *new) { - hists__match(old, new); + hists__match(new, old); if (show_baseline_only) hists__baseline_only(new); diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index f42de79..c1de3b0 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -716,3 +716,40 @@ void hists__inc_nr_events(struct hists *hists, u32 type) ++hists->stats.nr_events[0]; ++hists->stats.nr_events[type]; } + +static struct hist_entry *hists__find_entry(struct hists *hists, + struct hist_entry *he) +{ + struct rb_node *n = hists->entries.rb_node; + + while (n) { + struct hist_entry *iter = rb_entry(n, struct hist_entry, rb_node); + int64_t cmp = hist_entry__cmp(he, iter); + + if (cmp < 0) + n = n->rb_left; + else if (cmp > 0) + n = n->rb_right; + else + return iter; + } + + return NULL; +} + +/* + * Look for pairs to link to the leader buckets (hist_entries): + */ +void hists__match(struct hists *leader, struct hists *other) +{ + struct rb_node *nd; + struct hist_entry *pos, *pair; + + for (nd = rb_first(&leader->entries); nd; nd = rb_next(nd)) { + pos = rb_entry(nd, struct hist_entry, rb_node); + pair = hists__find_entry(other, pos); + + if (pair) + hist__entry_add_pair(pos, pair); + } +} diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index a4f45dd..ff1c396 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -115,6 +115,8 @@ bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len); void hists__reset_col_len(struct hists *hists); void hists__calc_col_len(struct hists *hists, struct hist_entry *he); +void hists__match(struct hists *leader, struct hists *other); + struct perf_hpp { char *buf; size_t size; |