perf stdio: Separate standard headers output

Introducing hists__fprintf_standard_headers function to separate
standard headers display code.

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/1465928361-2442-7-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 7498ce2..5d00783 100644 (file)
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -638,23 +638,16 @@ hists__fprintf_hierarchy_headers(struct hists *hists,
        return print_hierarchy_header(hists, hpp, symbol_conf.field_sep, fp);
 }
 
-static int hists__fprintf_headers(struct hists *hists, FILE *fp)
+static int
+hists__fprintf_standard_headers(struct hists *hists,
+                               struct perf_hpp *hpp,
+                               FILE *fp)
 {
        struct perf_hpp_fmt *fmt;
        unsigned int width;
        const char *sep = symbol_conf.field_sep;
-       char bf[96];
-       struct perf_hpp dummy_hpp = {
-               .buf    = bf,
-               .size   = sizeof(bf),
-       };
        bool first = true;
 
-       fprintf(fp, "# ");
-
-       if (symbol_conf.report_hierarchy)
-               return hists__fprintf_hierarchy_headers(hists, &dummy_hpp, fp);
-
        hists__for_each_format(hists, fmt) {
                if (perf_hpp__should_skip(fmt, hists))
                        continue;
@@ -664,8 +657,8 @@ static int hists__fprintf_headers(struct hists *hists, FILE *fp)
                else
                        first = false;
 
-               fmt->header(fmt, &dummy_hpp, hists_to_evsel(hists));
-               fprintf(fp, "%s", bf);
+               fmt->header(fmt, hpp, hists_to_evsel(hists));
+               fprintf(fp, "%s", hpp->buf);
        }
 
        fprintf(fp, "\n");
@@ -688,7 +681,7 @@ static int hists__fprintf_headers(struct hists *hists, FILE *fp)
                else
                        first = false;
 
-               width = fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists));
+               width = fmt->width(fmt, hpp, hists_to_evsel(hists));
                for (i = 0; i < width; i++)
                        fprintf(fp, ".");
        }
@@ -698,6 +691,23 @@ static int hists__fprintf_headers(struct hists *hists, FILE *fp)
        return 3;
 }
 
+static int hists__fprintf_headers(struct hists *hists, FILE *fp)
+{
+       char bf[96];
+       struct perf_hpp dummy_hpp = {
+               .buf    = bf,
+               .size   = sizeof(bf),
+       };
+
+       fprintf(fp, "# ");
+
+       if (symbol_conf.report_hierarchy)
+               return hists__fprintf_hierarchy_headers(hists, &dummy_hpp, fp);
+       else
+               return hists__fprintf_standard_headers(hists, &dummy_hpp, fp);
+
+}
+
 size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
                      int max_cols, float min_pcnt, FILE *fp)
 {