linux-kernel - [PATCH 19/35] perf annotate: Remove disasm__calc_percent from disasm_line_

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Message-Id: <20171011150158.11895-20-jolsa@kernel.org>
Date:   Wed, 11 Oct 2017 17:01:42 +0200
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        David Ahern <dsahern@...il.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Andi Kleen <andi@...stfloor.org>
Subject: [PATCH 19/35] perf annotate: Remove disasm__calc_percent from disasm_line__print

Removing disasm__calc_percent from disasm_line__print,
because we already have the data calculated in struct
annotation_line.

Link: http://lkml.kernel.org/n/tip-ombkavh1jluozzkzewdbbuqy@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/util/annotate.c | 59 ++++++++++++----------------------------------
 1 file changed, 15 insertions(+), 44 deletions(-)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 0469bb4e447a..b16d012f8120 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -1135,41 +1135,19 @@ static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 st
 	static const char *prev_color;
 
 	if (dl->al.offset != -1) {
-		const char *path = NULL;
-		double percent, max_percent = 0.0;
-		double *ppercents = &percent;
-		struct sym_hist_entry sample;
-		struct sym_hist_entry *psamples = &sample;
+		double max_percent = 0.0;
 		int i, nr_percent = 1;
 		const char *color;
 		struct annotation *notes = symbol__annotation(sym);
 		s64 offset = dl->al.offset;
 		const u64 addr = start + offset;
-		struct annotation_line *next;
 		struct block_range *br;
 
-		next = annotation_line__next(&dl->al, &notes->src->source);
+		for (i = 0; i < dl->al.samples_nr; i++) {
+			struct annotation_data *sample = &dl->al.samples[i];
 
-		if (perf_evsel__is_group_event(evsel)) {
-			nr_percent = evsel->nr_members;
-			ppercents = calloc(nr_percent, sizeof(double));
-			psamples = calloc(nr_percent, sizeof(struct sym_hist_entry));
-			if (ppercents == NULL || psamples == NULL) {
-				return -1;
-			}
-		}
-
-		for (i = 0; i < nr_percent; i++) {
-			percent = disasm__calc_percent(notes,
-					notes->src->lines ? i : evsel->idx + i,
-					offset,
-					next ? next->offset : (s64) len,
-					&path, &sample);
-
-			ppercents[i] = percent;
-			psamples[i] = sample;
-			if (percent > max_percent)
-				max_percent = percent;
+			if (sample->percent > max_percent)
+				max_percent = sample->percent;
 		}
 
 		if (max_percent < min_pcnt)
@@ -1194,28 +1172,28 @@ static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 st
 		 * the same color than the percentage. Don't print it
 		 * twice for close colored addr with the same filename:line
 		 */
-		if (path) {
-			if (!prev_line || strcmp(prev_line, path)
+		if (dl->al.path) {
+			if (!prev_line || strcmp(prev_line, dl->al.path)
 				       || color != prev_color) {
-				color_fprintf(stdout, color, " %s", path);
-				prev_line = path;
+				color_fprintf(stdout, color, " %s", dl->al.path);
+				prev_line = dl->al.path;
 				prev_color = color;
 			}
 		}
 
 		for (i = 0; i < nr_percent; i++) {
-			percent = ppercents[i];
-			sample = psamples[i];
-			color = get_percent_color(percent);
+			struct annotation_data *sample = &dl->al.samples[i];
+
+			color = get_percent_color(sample->percent);
 
 			if (symbol_conf.show_total_period)
 				color_fprintf(stdout, color, " %11" PRIu64,
-					      sample.period);
+					      sample->he.period);
 			else if (symbol_conf.show_nr_samples)
 				color_fprintf(stdout, color, " %7" PRIu64,
-					      sample.nr_samples);
+					      sample->he.nr_samples);
 			else
-				color_fprintf(stdout, color, " %7.2f", percent);
+				color_fprintf(stdout, color, " %7.2f", sample->percent);
 		}
 
 		printf(" :	");
@@ -1225,13 +1203,6 @@ static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 st
 		color_fprintf(stdout, annotate__asm_color(br), "%s", dl->al.line);
 		annotate__branch_printf(br, addr);
 		printf("\n");
-
-		if (ppercents != &percent)
-			free(ppercents);
-
-		if (psamples != &sample)
-			free(psamples);
-
 	} else if (max_lines && printed >= max_lines)
 		return 1;
 	else {
-- 
2.13.6