perf ui: Move annotate browser to util/ui/browsers/

LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

3 files changed, 142 insertions, 0 deletions

diff --git a/tools/perf/util/ui/browser.h b/tools/perf/util/ui/browser.h
index 8eed24cf2854..856e34361729 100644
--- a/tools/perf/util/ui/browser.h
+++ b/tools/perf/util/ui/browser.h
@@ -3,6 +3,7 @@
 
 #include <stdbool.h>
 #include <newt.h>
+#include <sys/types.h>
 #include "../types.h"
 
 #define HE_COLORSET_TOP         50
diff --git a/tools/perf/util/ui/browsers/annotate.c b/tools/perf/util/ui/browsers/annotate.c
new file mode 100644
index 000000000000..783d277f2190
--- /dev/null
+++ b/tools/perf/util/ui/browsers/annotate.c
@@ -0,0 +1,114 @@
+#include "../browser.h"
+#include "../helpline.h"
+#include "../libslang.h"
+#include "../../hist.h"
+#include "../../sort.h"
+#include "../../symbol.h"
+
+static void ui__error_window(const char *fmt, ...)
+{
+        va_list ap;
+
+        va_start(ap, fmt);
+        newtWinMessagev((char *)"Error", (char *)"Ok", (char *)fmt, ap);
+        va_end(ap);
+}
+
+static void annotate_browser__write(struct ui_browser *self, void *entry, int row)
+{
+        struct objdump_line *ol = rb_entry(entry, struct objdump_line, node);
+        bool current_entry = ui_browser__is_current_entry(self, row);
+        int width = self->width;
+
+        if (ol->offset != -1) {
+                struct hist_entry *he = self->priv;
+                struct symbol *sym = he->ms.sym;
+                int len = he->ms.sym->end - he->ms.sym->start;
+                unsigned int hits = 0;
+                double percent = 0.0;
+                int color;
+                struct sym_priv *priv = symbol__priv(sym);
+                struct sym_ext *sym_ext = priv->ext;
+                struct sym_hist *h = priv->hist;
+                s64 offset = ol->offset;
+                struct objdump_line *next = objdump__get_next_ip_line(self->entries, ol);
+
+                while (offset < (s64)len &&
+                       (next == NULL || offset < next->offset)) {
+                        if (sym_ext) {
+                                percent += sym_ext[offset].percent;
+                        } else
+                                hits += h->ip[offset];
+
+                        ++offset;
+                }
+
+                if (sym_ext == NULL && h->sum)
+                        percent = 100.0 * hits / h->sum;
+
+                color = ui_browser__percent_color(percent, current_entry);
+                SLsmg_set_color(color);
+                slsmg_printf(" %7.2f ", percent);
+                if (!current_entry)
+                        SLsmg_set_color(HE_COLORSET_CODE);
+        } else {
+                int color = ui_browser__percent_color(0, current_entry);
+                SLsmg_set_color(color);
+                slsmg_write_nstring(" ", 9);
+        }
+
+        SLsmg_write_char(':');
+        slsmg_write_nstring(" ", 8);
+        if (!*ol->line)
+                slsmg_write_nstring(" ", width - 18);
+        else
+                slsmg_write_nstring(ol->line, width - 18);
+}
+
+int hist_entry__tui_annotate(struct hist_entry *self)
+{
+        struct newtExitStruct es;
+        struct objdump_line *pos, *n;
+        LIST_HEAD(head);
+        struct ui_browser browser = {
+                .entries = &head,
+                .refresh = ui_browser__list_head_refresh,
+                .seek    = ui_browser__list_head_seek,
+                .write   = annotate_browser__write,
+                .priv    = self,
+        };
+        int ret;
+
+        if (self->ms.sym == NULL)
+                return -1;
+
+        if (self->ms.map->dso->annotate_warned)
+                return -1;
+
+        if (hist_entry__annotate(self, &head) < 0) {
+                ui__error_window(browser__last_msg);
+                return -1;
+        }
+
+        ui_helpline__push("Press <- or ESC to exit");
+
+        list_for_each_entry(pos, &head, node) {
+                size_t line_len = strlen(pos->line);
+                if (browser.width < line_len)
+                        browser.width = line_len;
+                ++browser.nr_entries;
+        }
+
+        browser.width += 18; /* Percentage */
+        ui_browser__show(&browser, self->ms.sym->name);
+        newtFormAddHotKey(browser.form, ' ');
+        ret = ui_browser__run(&browser, &es);
+        newtFormDestroy(browser.form);
+        newtPopWindow();
+        list_for_each_entry_safe(pos, n, &head, node) {
+                list_del(&pos->node);
+                objdump_line__free(pos);
+        }
+        ui_helpline__pop();
+        return ret;
+}
diff --git a/tools/perf/util/ui/libslang.h b/tools/perf/util/ui/libslang.h
new file mode 100644
index 000000000000..5623da8e8080
--- /dev/null
+++ b/tools/perf/util/ui/libslang.h
@@ -0,0 +1,27 @@
+#ifndef _PERF_UI_SLANG_H_
+#define _PERF_UI_SLANG_H_ 1
+/*
+ * slang versions <= 2.0.6 have a "#if HAVE_LONG_LONG" that breaks
+ * the build if it isn't defined. Use the equivalent one that glibc
+ * has on features.h.
+ */
+#include <features.h>
+#ifndef HAVE_LONG_LONG
+#define HAVE_LONG_LONG __GLIBC_HAVE_LONG_LONG
+#endif
+#include <slang.h>
+
+#if SLANG_VERSION < 20104
+#define slsmg_printf(msg, args...) \
+        SLsmg_printf((char *)msg, ##args)
+#define slsmg_write_nstring(msg, len) \
+        SLsmg_write_nstring((char *)msg, len)
+#define sltt_set_color(obj, name, fg, bg) \
+        SLtt_set_color(obj,(char *)name, (char *)fg, (char *)bg)
+#else
+#define slsmg_printf SLsmg_printf
+#define slsmg_write_nstring SLsmg_write_nstring
+#define sltt_set_color SLtt_set_color
+#endif
+
+#endif /* _PERF_UI_SLANG_H_ */