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authorJiri Olsa <jolsa@kernel.org>2016-08-07 18:28:29 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-08-23 21:37:33 +0300
commitf3705b062eafc2867eb0e9ee3502bd59564f103c (patch)
treea01f6125eb9334590d8990fb8105daa250264495 /tools/perf/ui/stdio/hist.c
parent69705b35859195b5640861fff91cc936d1baf4eb (diff)
downloadlinux-f3705b062eafc2867eb0e9ee3502bd59564f103c.tar.xz
perf tools stdio: Display multiple header lines
Display multiple header lines in stdio output , if it's configured within struct perf_hpp_list::nr_header_lines. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1470583710-1649-5-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/ui/stdio/hist.c')
-rw-r--r--tools/perf/ui/stdio/hist.c34
1 files changed, 25 insertions, 9 deletions
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 91b8e10cabd5..9b807cbb56b1 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -639,13 +639,10 @@ hists__fprintf_hierarchy_headers(struct hists *hists,
return print_hierarchy_header(hists, hpp, symbol_conf.field_sep, fp);
}
-static int
-hists__fprintf_standard_headers(struct hists *hists,
- struct perf_hpp *hpp,
- FILE *fp)
+static void fprintf_line(struct hists *hists, struct perf_hpp *hpp,
+ int line, FILE *fp)
{
struct perf_hpp_fmt *fmt;
- unsigned int width;
const char *sep = symbol_conf.field_sep;
bool first = true;
@@ -658,14 +655,33 @@ hists__fprintf_standard_headers(struct hists *hists,
else
first = false;
- fmt->header(fmt, hpp, hists, 0);
+ fmt->header(fmt, hpp, hists, line);
fprintf(fp, "%s", hpp->buf);
}
+}
- fprintf(fp, "\n");
+static int
+hists__fprintf_standard_headers(struct hists *hists,
+ struct perf_hpp *hpp,
+ FILE *fp)
+{
+ struct perf_hpp_list *hpp_list = hists->hpp_list;
+ struct perf_hpp_fmt *fmt;
+ unsigned int width;
+ const char *sep = symbol_conf.field_sep;
+ bool first = true;
+ int line;
+
+ for (line = 0; line < hpp_list->nr_header_lines; line++) {
+ /* first # is displayed one level up */
+ if (line)
+ fprintf(fp, "# ");
+ fprintf_line(hists, hpp, line, fp);
+ fprintf(fp, "\n");
+ }
if (sep)
- return 1;
+ return hpp_list->nr_header_lines;
first = true;
@@ -689,7 +705,7 @@ hists__fprintf_standard_headers(struct hists *hists,
fprintf(fp, "\n");
fprintf(fp, "#\n");
- return 3;
+ return hpp_list->nr_header_lines + 2;
}
static int hists__fprintf_headers(struct hists *hists, FILE *fp)