perf gtk/browser: Use perf_hpp__format functions

Now we can support color using pango markup with this change.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1346640790-17197-6-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

3 files changed, 87 insertions, 16 deletions

diff --git a/tools/perf/ui/gtk/browser.c b/tools/perf/ui/gtk/browser.c
index 26b5b652a8cd..3c16ab50e0f8 100644
--- a/tools/perf/ui/gtk/browser.c
+++ b/tools/perf/ui/gtk/browser.c
@@ -36,6 +36,57 @@ static void perf_gtk__resize_window(GtkWidget *window)
         gtk_window_resize(GTK_WINDOW(window), width, height);
 }
 
+static const char *perf_gtk__get_percent_color(double percent)
+{
+        if (percent >= MIN_RED)
+                return "<span fgcolor='red'>";
+        if (percent >= MIN_GREEN)
+                return "<span fgcolor='dark green'>";
+        return NULL;
+}
+
+#define HPP__COLOR_FN(_name, _field)                                            \
+static int perf_gtk__hpp_color_ ## _name(struct perf_hpp *hpp,                  \
+                                         struct hist_entry *he)                 \
+{                                                                               \
+        double percent = 100.0 * he->_field / hpp->total_period;                \
+        const char *markup;                                                     \
+        int ret = 0;                                                            \
+                                                                                \
+        markup = perf_gtk__get_percent_color(percent);                          \
+        if (markup)                                                             \
+                ret += scnprintf(hpp->buf, hpp->size, "%s", markup);            \
+        ret += scnprintf(hpp->buf + ret, hpp->size - ret, "%5.2f%%", percent);  \
+        if (markup)                                                             \
+                ret += scnprintf(hpp->buf + ret, hpp->size - ret, "</span>");   \
+                                                                                \
+        return ret;                                                             \
+}
+
+HPP__COLOR_FN(overhead, period)
+HPP__COLOR_FN(overhead_sys, period_sys)
+HPP__COLOR_FN(overhead_us, period_us)
+HPP__COLOR_FN(overhead_guest_sys, period_guest_sys)
+HPP__COLOR_FN(overhead_guest_us, period_guest_us)
+
+#undef HPP__COLOR_FN
+
+void perf_gtk__init_hpp(void)
+{
+        perf_hpp__init(false, false);
+
+        perf_hpp__format[PERF_HPP__OVERHEAD].color =
+                                perf_gtk__hpp_color_overhead;
+        perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
+                                perf_gtk__hpp_color_overhead_sys;
+        perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
+                                perf_gtk__hpp_color_overhead_us;
+        perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
+                                perf_gtk__hpp_color_overhead_guest_sys;
+        perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
+                                perf_gtk__hpp_color_overhead_guest_us;
+}
+
 static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists)
 {
         GType col_types[MAX_COLUMNS];
@@ -43,15 +94,25 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists)
         struct sort_entry *se;
         GtkListStore *store;
         struct rb_node *nd;
-        u64 total_period;
         GtkWidget *view;
-        int col_idx;
+        int i, col_idx;
         int nr_cols;
+        char s[512];
+
+        struct perf_hpp hpp = {
+                .buf            = s,
+                .size           = sizeof(s),
+                .total_period   = hists->stats.total_period,
+        };
 
         nr_cols = 0;
 
-        /* The percentage column */
-        col_types[nr_cols++] = G_TYPE_STRING;
+        for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
+                if (!perf_hpp__format[i].cond)
+                        continue;
+
+                col_types[nr_cols++] = G_TYPE_STRING;
+        }
 
         list_for_each_entry(se, &hist_entry__sort_list, list) {
                 if (se->elide)
@@ -68,11 +129,17 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists)
 
         col_idx = 0;
 
-        /* The percentage column */
-        gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
-                                                    -1, "Overhead (%)",
-                                                    renderer, "text",
-                                                    col_idx++, NULL);
+        for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
+                if (!perf_hpp__format[i].cond)
+                        continue;
+
+                perf_hpp__format[i].header(&hpp);
+
+                gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
+                                                            -1, s,
+                                                            renderer, "markup",
+                                                            col_idx++, NULL);
+        }
 
         list_for_each_entry(se, &hist_entry__sort_list, list) {
                 if (se->elide)
@@ -88,13 +155,9 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists)
 
         g_object_unref(GTK_TREE_MODEL(store));
 
-        total_period = hists->stats.total_period;
-
         for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
                 struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
                 GtkTreeIter iter;
-                double percent;
-                char s[512];
 
                 if (h->filtered)
                         continue;
@@ -103,11 +166,17 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists)
 
                 col_idx = 0;
 
-                percent = (h->period * 100.0) / total_period;
+                for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
+                        if (!perf_hpp__format[i].cond)
+                                continue;
 
-                snprintf(s, ARRAY_SIZE(s), "%.2f", percent);
+                        if (perf_hpp__format[i].color)
+                                perf_hpp__format[i].color(&hpp, h);
+                        else
+                                perf_hpp__format[i].entry(&hpp, h);
 
-                gtk_list_store_set(store, &iter, col_idx++, s, -1);
+                        gtk_list_store_set(store, &iter, col_idx++, s, -1);
+                }
 
                 list_for_each_entry(se, &hist_entry__sort_list, list) {
                         if (se->elide)
diff --git a/tools/perf/ui/gtk/gtk.h b/tools/perf/ui/gtk/gtk.h
index 793cb6116ddf..687af0bba187 100644
--- a/tools/perf/ui/gtk/gtk.h
+++ b/tools/perf/ui/gtk/gtk.h
@@ -30,6 +30,7 @@ struct perf_gtk_context *perf_gtk__activate_context(GtkWidget *window);
 int perf_gtk__deactivate_context(struct perf_gtk_context **ctx);
 
 void perf_gtk__init_helpline(void);
+void perf_gtk__init_hpp(void);
 
 #ifndef HAVE_GTK_INFO_BAR
 static inline GtkWidget *perf_gtk__setup_info_bar(void)
diff --git a/tools/perf/ui/gtk/setup.c b/tools/perf/ui/gtk/setup.c
index ec1ee26b485a..26429437e19e 100644
--- a/tools/perf/ui/gtk/setup.c
+++ b/tools/perf/ui/gtk/setup.c
@@ -8,6 +8,7 @@ int perf_gtk__init(void)
 {
         perf_error__register(&perf_gtk_eops);
         perf_gtk__init_helpline();
+        perf_gtk__init_hpp();
         return gtk_init_check(NULL, NULL) ? 0 : -1;
 }