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-rw-r--r--tools/perf/ui/stdio/hist.c75
1 files changed, 51 insertions, 24 deletions
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 2ab2af4d4849..8c4c8925df2c 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -1,4 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
+#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <linux/string.h>
@@ -24,6 +25,9 @@ static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
int i;
int ret = fprintf(fp, " ");
+ if (left_margin > USHRT_MAX)
+ left_margin = USHRT_MAX;
+
for (i = 0; i < left_margin; i++)
ret += fprintf(fp, " ");
@@ -639,45 +643,58 @@ static int hists__fprintf_hierarchy_headers(struct hists *hists,
unsigned header_width = 0;
struct perf_hpp_fmt *fmt;
struct perf_hpp_list_node *fmt_node;
+ struct perf_hpp_list *hpp_list = hists->hpp_list;
const char *sep = symbol_conf.field_sep;
indent = hists->nr_hpp_node;
- /* preserve max indent depth for column headers */
- print_hierarchy_indent(sep, indent, " ", fp);
-
/* the first hpp_list_node is for overhead columns */
fmt_node = list_first_entry(&hists->hpp_formats,
struct perf_hpp_list_node, list);
- perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
- fmt->header(fmt, hpp, hists, 0, NULL);
- fprintf(fp, "%s%s", hpp->buf, sep ?: " ");
- }
+ for (int line = 0; line < hpp_list->nr_header_lines; line++) {
+ /* first # is displayed one level up */
+ if (line)
+ fprintf(fp, "# ");
- /* combine sort headers with ' / ' */
- first_node = true;
- list_for_each_entry_continue(fmt_node, &hists->hpp_formats, list) {
- if (!first_node)
- header_width += fprintf(fp, " / ");
- first_node = false;
+ /* preserve max indent depth for column headers */
+ print_hierarchy_indent(sep, indent, " ", fp);
- first_col = true;
perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
- if (perf_hpp__should_skip(fmt, hists))
- continue;
+ fmt->header(fmt, hpp, hists, line, NULL);
+ fprintf(fp, "%s%s", hpp->buf, sep ?: " ");
+ }
- if (!first_col)
- header_width += fprintf(fp, "+");
- first_col = false;
+ if (line < hpp_list->nr_header_lines - 1)
+ goto next_line;
+
+ /* combine sort headers with ' / ' */
+ first_node = true;
+ list_for_each_entry_continue(fmt_node, &hists->hpp_formats, list) {
+ if (!first_node)
+ header_width += fprintf(fp, " / ");
+ first_node = false;
+
+ first_col = true;
+ perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
+ if (perf_hpp__should_skip(fmt, hists))
+ continue;
+
+ if (!first_col)
+ header_width += fprintf(fp, "+");
+ first_col = false;
- fmt->header(fmt, hpp, hists, 0, NULL);
+ fmt->header(fmt, hpp, hists, line, NULL);
- header_width += fprintf(fp, "%s", strim(hpp->buf));
+ header_width += fprintf(fp, "%s", strim(hpp->buf));
+ }
}
+
+next_line:
+ fprintf(fp, "\n");
}
- fprintf(fp, "\n# ");
+ fprintf(fp, "# ");
/* preserve max indent depth for initial dots */
print_hierarchy_indent(sep, indent, dots, fp);
@@ -885,7 +902,7 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
}
if (h->ms.map == NULL && verbose > 1) {
- maps__fprintf(h->thread->maps, fp);
+ maps__fprintf(thread__maps(h->thread), fp);
fprintf(fp, "%.10s end\n", graph_dotted_line);
}
}
@@ -901,6 +918,7 @@ size_t events_stats__fprintf(struct events_stats *stats, FILE *fp)
{
int i;
size_t ret = 0;
+ u32 total = stats->nr_events[0];
for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
const char *name;
@@ -908,8 +926,17 @@ size_t events_stats__fprintf(struct events_stats *stats, FILE *fp)
name = perf_event__name(i);
if (!strcmp(name, "UNKNOWN"))
continue;
+ if (symbol_conf.skip_empty && !stats->nr_events[i])
+ continue;
- ret += fprintf(fp, "%16s events: %10d\n", name, stats->nr_events[i]);
+ if (i && total) {
+ ret += fprintf(fp, "%20s events: %10d (%4.1f%%)\n",
+ name, stats->nr_events[i],
+ 100.0 * stats->nr_events[i] / total);
+ } else {
+ ret += fprintf(fp, "%20s events: %10d\n",
+ name, stats->nr_events[i]);
+ }
}
return ret;