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perf stdio: Separate headers output

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Introducing hists__fprintf_headers function to separate the code that
displays headers.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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/1465928361-2442-5-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2016-06-14 20:19:14 +02:00 committed by Arnaldo Carvalho de Melo
parent 01b4770d56
commit 36592ebb73
1 changed files with 30 additions and 29 deletions
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59
tools/perf/ui/stdio/hist.c
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@ -622,36 +622,18 @@ static int print_hierarchy_header(struct hists *hists, struct perf_hpp *hpp,
return 2;
}
size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
int max_cols, float min_pcnt, FILE *fp)
static int hists__fprintf_headers(struct hists *hists, FILE *fp)
{
struct perf_hpp_fmt *fmt;
struct perf_hpp_list_node *fmt_node;
struct rb_node *nd;
size_t ret = 0;
unsigned int width;
const char *sep = symbol_conf.field_sep;
int nr_rows = 0;
char bf[96];
struct perf_hpp dummy_hpp = {
.buf = bf,
.size = sizeof(bf),
};
bool first = true;
size_t linesz;
char *line = NULL;
unsigned indent;
init_rem_hits();
hists__for_each_format(hists, fmt)
perf_hpp__reset_width(fmt, hists);
if (symbol_conf.col_width_list_str)
perf_hpp__set_user_width(symbol_conf.col_width_list_str);
if (!show_header)
goto print_entries;
fprintf(fp, "# ");
@ -660,8 +642,7 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
perf_hpp_list__for_each_format(&fmt_node->hpp, fmt)
perf_hpp__reset_width(fmt, hists);
}
nr_rows += print_hierarchy_header(hists, &dummy_hpp, sep, fp);
goto print_entries;
return print_hierarchy_header(hists, &dummy_hpp, sep, fp);
}
hists__for_each_format(hists, fmt) {
@ -678,11 +659,9 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
}
fprintf(fp, "\n");
if (max_rows && ++nr_rows >= max_rows)
goto out;
if (sep)
goto print_entries;
return 1;
first = true;
@ -705,14 +684,36 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
}
fprintf(fp, "\n");
if (max_rows && ++nr_rows >= max_rows)
goto out;
fprintf(fp, "#\n");
if (max_rows && ++nr_rows >= max_rows)
return 3;
}
size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
int max_cols, float min_pcnt, FILE *fp)
{
struct perf_hpp_fmt *fmt;
struct rb_node *nd;
size_t ret = 0;
const char *sep = symbol_conf.field_sep;
int nr_rows = 0;
size_t linesz;
char *line = NULL;
unsigned indent;
init_rem_hits();
hists__for_each_format(hists, fmt)
perf_hpp__reset_width(fmt, hists);
if (symbol_conf.col_width_list_str)
perf_hpp__set_user_width(symbol_conf.col_width_list_str);
if (show_header)
nr_rows += hists__fprintf_headers(hists, fp);
if (max_rows && nr_rows >= max_rows)
goto out;
print_entries:
linesz = hists__sort_list_width(hists) + 3 + 1;
linesz += perf_hpp__color_overhead();
line = malloc(linesz);