perf ui/gtk: Reuse generic __hpp__fmt() code

The __hpp__color_fmt used in the gtk code can be replace by the generic
code with small change in print_fn callback.

This is a preparation to upcoming changes and no functional changes
intended.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1393809254-4480-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2 files changed, 13 insertions, 69 deletions

diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index 5b95c44f3435..3dab00e748f2 100644
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -8,16 +8,22 @@
 
 #define MAX_COLUMNS                     32
 
-static int __percent_color_snprintf(char *buf, size_t size, double percent)
+static int __percent_color_snprintf(char *buf, size_t size, const char *fmt, ...)
 {
         int ret = 0;
+        va_list args;
+        double percent;
         const char *markup;
 
+        va_start(args, fmt);
+        percent = va_arg(args, double);
+        va_end(args);
+
         markup = perf_gtk__get_percent_color(percent);
         if (markup)
                 ret += scnprintf(buf, size, markup);
 
-        ret += scnprintf(buf + ret, size - ret, " %6.2f%%", percent);
+        ret += scnprintf(buf + ret, size - ret, fmt, percent);
 
         if (markup)
                 ret += scnprintf(buf + ret, size - ret, "</span>");
@@ -25,66 +31,6 @@ static int __percent_color_snprintf(char *buf, size_t size, double percent)
         return ret;
 }
 
-
-static int __hpp__color_fmt(struct perf_hpp *hpp, struct hist_entry *he,
-                            u64 (*get_field)(struct hist_entry *))
-{
-        int ret;
-        double percent = 0.0;
-        struct hists *hists = he->hists;
-        struct perf_evsel *evsel = hists_to_evsel(hists);
-
-        if (hists->stats.total_period)
-                percent = 100.0 * get_field(he) / hists->stats.total_period;
-
-        ret = __percent_color_snprintf(hpp->buf, hpp->size, percent);
-
-        if (perf_evsel__is_group_event(evsel)) {
-                int prev_idx, idx_delta;
-                struct hist_entry *pair;
-                int nr_members = evsel->nr_members;
-
-                prev_idx = perf_evsel__group_idx(evsel);
-
-                list_for_each_entry(pair, &he->pairs.head, pairs.node) {
-                        u64 period = get_field(pair);
-                        u64 total = pair->hists->stats.total_period;
-
-                        evsel = hists_to_evsel(pair->hists);
-                        idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
-
-                        while (idx_delta--) {
-                                /*
-                                 * zero-fill group members in the middle which
-                                 * have no sample
-                                 */
-                                ret += __percent_color_snprintf(hpp->buf + ret,
-                                                                hpp->size - ret,
-                                                                0.0);
-                        }
-
-                        percent = 100.0 * period / total;
-                        ret += __percent_color_snprintf(hpp->buf + ret,
-                                                        hpp->size - ret,
-                                                        percent);
-
-                        prev_idx = perf_evsel__group_idx(evsel);
-                }
-
-                idx_delta = nr_members - prev_idx - 1;
-
-                while (idx_delta--) {
-                        /*
-                         * zero-fill group members at last which have no sample
-                         */
-                        ret += __percent_color_snprintf(hpp->buf + ret,
-                                                        hpp->size - ret,
-                                                        0.0);
-                }
-        }
-        return ret;
-}
-
 #define __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
 static u64 he_get_##_field(struct hist_entry *he)                               \
 {                                                                               \
@@ -95,7 +41,8 @@ static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused,
                                        struct perf_hpp *hpp,                    \
                                        struct hist_entry *he)                   \
 {                                                                               \
-        return __hpp__color_fmt(hpp, he, he_get_##_field);                      \
+        return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%",                 \
+                          __percent_color_snprintf, true);                      \
 }
 
 __HPP_COLOR_PERCENT_FN(overhead, period)
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 6094562c9523..085353435f07 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -8,12 +8,9 @@
 
 /* hist period print (hpp) functions */
 
-typedef int (*hpp_snprint_fn)(char *buf, size_t size, const char *fmt, ...);
-
-static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
-                      u64 (*get_field)(struct hist_entry *),
-                      const char *fmt, hpp_snprint_fn print_fn,
-                      bool fmt_percent)
+int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
+               u64 (*get_field)(struct hist_entry *),
+               const char *fmt, hpp_snprint_fn print_fn, bool fmt_percent)
 {
         int ret;
         struct hists *hists = he->hists;