perf hists browser: Use perf_hpp__format functions

Override hpp->color functions for TUI. Because line coloring is done
outside of the function, it just sets the percent value and pass it.

Signed-off-by: Namhyung Kim <namhyung@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/1346640790-17197-5-git-send-email-namhyung@kernel.org
[ committer note: Keep previous layout by showing the overhead at column 1 ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2 files changed, 77 insertions, 23 deletions

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 81bd8c2af730..5a5739bbe6ac 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -28,6 +28,8 @@ struct hist_browser {
         bool                 has_symbols;
 };
 
+extern void hist_browser__init_hpp(void);
+
 static int hists__browser_title(struct hists *hists, char *bf, size_t size,
                                 const char *ev_name);
 
@@ -563,14 +565,47 @@ static int hist_browser__show_callchain(struct hist_browser *browser,
         return row - first_row;
 }
 
+#define HPP__COLOR_FN(_name, _field)                                    \
+static int hist_browser__hpp_color_ ## _name(struct perf_hpp *hpp,      \
+                                             struct hist_entry *he)     \
+{                                                                       \
+        double percent = 100.0 * he->_field / hpp->total_period;        \
+        *(double *)hpp->ptr = percent;                                  \
+        return scnprintf(hpp->buf, hpp->size, "%5.2f%%", percent);      \
+}
+
+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 hist_browser__init_hpp(void)
+{
+        perf_hpp__init(false, false);
+
+        perf_hpp__format[PERF_HPP__OVERHEAD].color =
+                                hist_browser__hpp_color_overhead;
+        perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
+                                hist_browser__hpp_color_overhead_sys;
+        perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
+                                hist_browser__hpp_color_overhead_us;
+        perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
+                                hist_browser__hpp_color_overhead_guest_sys;
+        perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
+                                hist_browser__hpp_color_overhead_guest_us;
+}
+
 static int hist_browser__show_entry(struct hist_browser *browser,
                                     struct hist_entry *entry,
                                     unsigned short row)
 {
         char s[256];
         double percent;
-        int printed = 0;
-        int width = browser->b.width - 6; /* The percentage */
+        int i, printed = 0;
+        int width = browser->b.width - 1;
         char folded_sign = ' ';
         bool current_entry = ui_browser__is_current_entry(&browser->b, row);
         off_t row_offset = entry->row_offset;
@@ -586,35 +621,50 @@ static int hist_browser__show_entry(struct hist_browser *browser,
         }
 
         if (row_offset == 0) {
-                hist_entry__sort_snprintf(entry, s, sizeof(s), browser->hists);
-                percent = (entry->period * 100.0) / browser->hists->stats.total_period;
+                struct perf_hpp hpp = {
+                        .buf            = s,
+                        .size           = sizeof(s),
+                        .total_period   = browser->hists->stats.total_period,
+                };
 
-                ui_browser__set_percent_color(&browser->b, percent, current_entry);
-                ui_browser__gotorc(&browser->b, row, 0);
-                if (symbol_conf.use_callchain) {
-                        slsmg_printf("%c ", folded_sign);
-                        width -= 2;
-                }
+                ui_browser__gotorc(&browser->b, row, 1);
 
-                slsmg_printf(" %5.2f%%", percent);
+                for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
+                        if (!perf_hpp__format[i].cond)
+                                continue;
 
-                /* The scroll bar isn't being used */
-                if (!browser->b.navkeypressed)
-                        width += 1;
+                        if (i) {
+                                slsmg_printf("  ");
+                                width -= 2;
+                        }
 
-                if (!current_entry || !browser->b.navkeypressed)
-                        ui_browser__set_color(&browser->b, HE_COLORSET_NORMAL);
+                        if (perf_hpp__format[i].color) {
+                                hpp.ptr = &percent;
+                                /* It will set percent for us. See HPP__COLOR_FN above. */
+                                width -= perf_hpp__format[i].color(&hpp, entry);
 
-                if (symbol_conf.show_nr_samples) {
-                        slsmg_printf(" %11u", entry->nr_events);
-                        width -= 12;
-                }
+                                ui_browser__set_percent_color(&browser->b, percent, current_entry);
+
+                                if (i == 0 && symbol_conf.use_callchain) {
+                                        slsmg_printf("%c ", folded_sign);
+                                        width -= 2;
+                                }
+
+                                slsmg_printf("%s", s);
 
-                if (symbol_conf.show_total_period) {
-                        slsmg_printf(" %12" PRIu64, entry->period);
-                        width -= 13;
+                                if (!current_entry || !browser->b.navkeypressed)
+                                        ui_browser__set_color(&browser->b, HE_COLORSET_NORMAL);
+                        } else {
+                                width -= perf_hpp__format[i].entry(&hpp, entry);
+                                slsmg_printf("%s", s);
+                        }
                 }
 
+                /* The scroll bar isn't being used */
+                if (!browser->b.navkeypressed)
+                        width += 1;
+
+                hist_entry__sort_snprintf(entry, s, sizeof(s), browser->hists);
                 slsmg_write_nstring(s, width);
                 ++row;
                 ++printed;
diff --git a/tools/perf/ui/tui/setup.c b/tools/perf/ui/tui/setup.c
index 4c936e09931c..4dc0887c04f1 100644
--- a/tools/perf/ui/tui/setup.c
+++ b/tools/perf/ui/tui/setup.c
@@ -15,6 +15,8 @@ static volatile int ui__need_resize;
 
 extern struct perf_error_ops perf_tui_eops;
 
+extern void hist_browser__init_hpp(void);
+
 void ui__refresh_dimensions(bool force)
 {
         if (force || ui__need_resize) {
@@ -124,6 +126,8 @@ int ui__init(void)
         signal(SIGTERM, ui__signal);
 
         perf_error__register(&perf_tui_eops);
+
+        hist_browser__init_hpp();
 out:
         return err;
 }