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perf annotate: Move compute_ipc() to annotation library

tip:perf/core tip-bot for Arnaldo Carvalho de Melo 1 participant 1 message Mar 25, 2018 perf events

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Commit-ID:  f56c083bc4f9bca6f4d75d13b93720915185a8e8
Gitweb:     https://git.kernel.org/tip/f56c083bc4f9bca6f4d75d13b93720915185a8e8
Author:     Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Thu, 15 Mar 2018 11:46:23 -0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Tue, 20 Mar 2018 13:19:28 -0300

perf annotate: Move compute_ipc() to annotation library

Out of the TUI code, as it has nothing specific to that UI and should be used in the other output modes as well.

---
 tools/perf/ui/browsers/annotate.c | 69 +--------------------------------------
 tools/perf/util/annotate.c        | 60 ++++++++++++++++++++++++++++++++++
 tools/perf/util/annotate.h        |  2 ++
 3 files changed, 63 insertions(+), 68 deletions(-)
tools/perf/ui/browsers/annotate.c +1 -68
index e89b68612408..353edff3fdbb 100644
@@ -967,73 +967,6 @@ int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel,
 	return map_symbol__tui_annotate(&he->ms, evsel, hbt);
 }
 
-
-static unsigned count_insn(struct annotation *notes, u64 start, u64 end)
-{
-	unsigned n_insn = 0;
-	u64 offset;
-
-	for (offset = start; offset <= end; offset++) {
-		if (notes->offsets[offset])
-			n_insn++;
-	}
-	return n_insn;
-}
-
-static void count_and_fill(struct annotation *notes, u64 start, u64 end,
-			   struct cyc_hist *ch)
-{
-	unsigned n_insn;
-	u64 offset;
-
-	n_insn = count_insn(notes, start, end);
-	if (n_insn && ch->num && ch->cycles) {
-		float ipc = n_insn / ((double)ch->cycles / (double)ch->num);
-
-		/* Hide data when there are too many overlaps. */
-		if (ch->reset >= 0x7fff || ch->reset >= ch->num / 2)
-			return;
-
-		for (offset = start; offset <= end; offset++) {
-			struct annotation_line *al = notes->offsets[offset];
-
-			if (al)
-				al->ipc = ipc;
-		}
-	}
-}
-
-/*
- * This should probably be in util/annotate.c to share with the tty
- * annotate, but right now we need the per byte offsets arrays,
- * which are only here.
- */
-static void annotate__compute_ipc(struct annotation *notes, size_t size)
-{
-	u64 offset;
-
-	if (!notes->src || !notes->src->cycles_hist)
-		return;
-
-	pthread_mutex_lock(&notes->lock);
-	for (offset = 0; offset < size; ++offset) {
-		struct cyc_hist *ch;
-
-		ch = &notes->src->cycles_hist[offset];
-		if (ch && ch->cycles) {
-			struct annotation_line *al;
-
-			if (ch->have_start)
-				count_and_fill(notes, ch->start, offset, ch);
-			al = notes->offsets[offset];
-			if (al && ch->num_aggr)
-				al->cycles = ch->cycles_aggr / ch->num_aggr;
-			notes->have_cycles = true;
-		}
-	}
-	pthread_mutex_unlock(&notes->lock);
-}
-
 static void annotate_browser__mark_jump_targets(struct annotate_browser *browser,
 						size_t size)
 {
@@ -1161,7 +1094,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map,
 	}
 
 	annotate_browser__mark_jump_targets(&browser, size);
-	annotate__compute_ipc(notes, size);
+	annotation__compute_ipc(notes, size);
 
 	browser.addr_width = browser.target_width = browser.min_addr_width = hex_width(size);
 	browser.max_addr_width = hex_width(sym->end);
tools/perf/util/annotate.c +60 -0

66 lines not on this page · raw message

tools/perf/util/annotate.h +2 -0
index d2c3436830a9..21fa5d7cd9e0 100644
@@ -174,6 +174,8 @@ static inline int annotation__cycles_width(struct annotation *notes)
 	return notes->have_cycles ? ANNOTATION__IPC_WIDTH + ANNOTATION__CYCLES_WIDTH : 0;
 }
 
+void annotation__compute_ipc(struct annotation *notes, size_t size);
+
 static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
 {
 	return (((void *)&notes->src->histograms) +