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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>
This commit is contained in:
Jiri Olsa 2016-08-07 17:28:29 +02:00 committed by Arnaldo Carvalho de Melo
parent 69705b3585
commit f3705b062e
1 changed files with 25 additions and 9 deletions
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32
tools/perf/ui/stdio/hist.c
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@ -639,13 +639,10 @@ hists__fprintf_hierarchy_headers(struct hists *hists,
return print_hierarchy_header(hists, hpp, symbol_conf.field_sep, fp); return print_hierarchy_header(hists, hpp, symbol_conf.field_sep, fp);
} }
static int static void fprintf_line(struct hists *hists, struct perf_hpp *hpp,
hists__fprintf_standard_headers(struct hists *hists, int line, FILE *fp)
struct perf_hpp *hpp,
FILE *fp)
{ {
struct perf_hpp_fmt *fmt; struct perf_hpp_fmt *fmt;
unsigned int width;
const char *sep = symbol_conf.field_sep; const char *sep = symbol_conf.field_sep;
bool first = true; bool first = true;
@ -658,14 +655,33 @@ hists__fprintf_standard_headers(struct hists *hists,
else else
first = false; first = false;
fmt->header(fmt, hpp, hists, 0); fmt->header(fmt, hpp, hists, line);
fprintf(fp, "%s", hpp->buf); fprintf(fp, "%s", hpp->buf);
} }
}
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"); fprintf(fp, "\n");
}
if (sep) if (sep)
return 1; return hpp_list->nr_header_lines;
first = true; first = true;
@ -689,7 +705,7 @@ hists__fprintf_standard_headers(struct hists *hists,
fprintf(fp, "\n"); fprintf(fp, "\n");
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) static int hists__fprintf_headers(struct hists *hists, FILE *fp)