perf annotate browser: Make feature toggles global

So that when navigating to another function from a call site or when
going to another annotation browser thru the main report/top browser the
options (hide source code, jump arrows, jumpy lines, etc) remains the
last ones selected.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-0h0tah1zj59p01581snjufne@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 66 insertions, 35 deletions

diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index aaf36ce0b6fe..02afa036dfa9 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -19,6 +19,16 @@ struct browser_disasm_line {
         int             jump_sources;
 };
 
+static struct annotate_browser_opt {
+        bool hide_src_code,
+             use_offset,
+             jump_arrows,
+             show_nr_jumps;
+} annotate_browser__opts = {
+        .use_offset     = true,
+        .jump_arrows    = true,
+};
+
 struct annotate_browser {
         struct ui_browser b;
         struct rb_root    entries;
@@ -30,10 +40,6 @@ struct annotate_browser {
         int                 nr_entries;
         int                 max_jump_sources;
         int                 nr_jumps;
-        bool                hide_src_code;
-        bool                use_offset;
-        bool                jump_arrows;
-        bool                show_nr_jumps;
         bool                searching_backwards;
         u8                  addr_width;
         u8                  jumps_width;
@@ -48,11 +54,9 @@ static inline struct browser_disasm_line *disasm_line__browser(struct disasm_lin
         return (struct browser_disasm_line *)(dl + 1);
 }
 
-static bool disasm_line__filter(struct ui_browser *browser, void *entry)
+static bool disasm_line__filter(struct ui_browser *browser __used, void *entry)
 {
-        struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);
-
-        if (ab->hide_src_code) {
+        if (annotate_browser__opts.hide_src_code) {
                 struct disasm_line *dl = list_entry(entry, struct disasm_line, node);
                 return dl->offset == -1;
         }
@@ -85,7 +89,7 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro
         struct disasm_line *dl = list_entry(entry, struct disasm_line, node);
         struct browser_disasm_line *bdl = disasm_line__browser(dl);
         bool current_entry = ui_browser__is_current_entry(self, row);
-        bool change_color = (!ab->hide_src_code &&
+        bool change_color = (!annotate_browser__opts.hide_src_code &&
                              (!current_entry || (self->use_navkeypressed &&
                                                  !self->navkeypressed)));
         int width = self->width, printed;
@@ -116,14 +120,14 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro
                 u64 addr = dl->offset;
                 int color = -1;
 
-                if (!ab->use_offset)
+                if (!annotate_browser__opts.use_offset)
                         addr += ab->start;
 
-                if (!ab->use_offset) {
+                if (!annotate_browser__opts.use_offset) {
                         printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr);
                 } else {
                         if (bdl->jump_sources) {
-                                if (ab->show_nr_jumps) {
+                                if (annotate_browser__opts.show_nr_jumps) {
                                         int prev;
                                         printed = scnprintf(bf, sizeof(bf), "%*d ",
                                                             ab->jumps_width,
@@ -169,7 +173,7 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro
                         }
                 }
 
-                disasm_line__scnprintf(dl, bf, sizeof(bf), !ab->use_offset);
+                disasm_line__scnprintf(dl, bf, sizeof(bf), !annotate_browser__opts.use_offset);
                 slsmg_write_nstring(bf, width - 10 - printed);
         }
 
@@ -184,7 +188,7 @@ static void annotate_browser__draw_current_jump(struct ui_browser *browser)
         struct browser_disasm_line *btarget, *bcursor;
         unsigned int from, to;
 
-        if (!cursor->ins || !ins__is_jump(cursor->ins) ||
+        if (!cursor || !cursor->ins || !ins__is_jump(cursor->ins) ||
             !disasm_line__has_offset(cursor))
                 return;
 
@@ -195,7 +199,7 @@ static void annotate_browser__draw_current_jump(struct ui_browser *browser)
         bcursor = disasm_line__browser(cursor);
         btarget = disasm_line__browser(target);
 
-        if (ab->hide_src_code) {
+        if (annotate_browser__opts.hide_src_code) {
                 from = bcursor->idx_asm;
                 to = btarget->idx_asm;
         } else {
@@ -209,10 +213,9 @@ static void annotate_browser__draw_current_jump(struct ui_browser *browser)
 
 static unsigned int annotate_browser__refresh(struct ui_browser *browser)
 {
-        struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);
         int ret = ui_browser__list_head_refresh(browser);
 
-        if (ab->jump_arrows)
+        if (annotate_browser__opts.jump_arrows)
                 annotate_browser__draw_current_jump(browser);
 
         ui_browser__set_color(browser, HE_COLORSET_NORMAL);
@@ -305,7 +308,7 @@ static void annotate_browser__set_rb_top(struct annotate_browser *browser,
         bpos = rb_entry(nd, struct browser_disasm_line, rb_node);
         pos = ((struct disasm_line *)bpos) - 1;
         idx = bpos->idx;
-        if (browser->hide_src_code)
+        if (annotate_browser__opts.hide_src_code)
                 idx = bpos->idx_asm;
         annotate_browser__set_top(browser, pos, idx);
         browser->curr_hot = nd;
@@ -347,12 +350,12 @@ static bool annotate_browser__toggle_source(struct annotate_browser *browser)
         dl = list_entry(browser->b.top, struct disasm_line, node);
         bdl = disasm_line__browser(dl);
 
-        if (browser->hide_src_code) {
+        if (annotate_browser__opts.hide_src_code) {
                 if (bdl->idx_asm < offset)
                         offset = bdl->idx;
 
                 browser->b.nr_entries = browser->nr_entries;
-                browser->hide_src_code = false;
+                annotate_browser__opts.hide_src_code = false;
                 browser->b.seek(&browser->b, -offset, SEEK_CUR);
                 browser->b.top_idx = bdl->idx - offset;
                 browser->b.index = bdl->idx;
@@ -367,7 +370,7 @@ static bool annotate_browser__toggle_source(struct annotate_browser *browser)
                         offset = bdl->idx_asm;
 
                 browser->b.nr_entries = browser->nr_asm_entries;
-                browser->hide_src_code = true;
+                annotate_browser__opts.hide_src_code = true;
                 browser->b.seek(&browser->b, -offset, SEEK_CUR);
                 browser->b.top_idx = bdl->idx_asm - offset;
                 browser->b.index = bdl->idx_asm;
@@ -376,6 +379,12 @@ static bool annotate_browser__toggle_source(struct annotate_browser *browser)
         return true;
 }
 
+static void annotate_browser__init_asm_mode(struct annotate_browser *browser)
+{
+        ui_browser__reset_index(&browser->b);
+        browser->b.nr_entries = browser->nr_asm_entries;
+}
+
 static bool annotate_browser__callq(struct annotate_browser *browser,
                                     int evidx, void (*timer)(void *arg),
                                     void *arg, int delay_secs)
@@ -578,6 +587,19 @@ bool annotate_browser__continue_search_reverse(struct annotate_browser *browser,
         return __annotate_browser__search_reverse(browser);
 }
 
+static void annotate_browser__update_addr_width(struct annotate_browser *browser)
+{
+        if (annotate_browser__opts.use_offset)
+                browser->target_width = browser->min_addr_width;
+        else
+                browser->target_width = browser->max_addr_width;
+
+        browser->addr_width = browser->target_width;
+
+        if (annotate_browser__opts.show_nr_jumps)
+                browser->addr_width += browser->jumps_width + 1;
+}
+
 static int annotate_browser__run(struct annotate_browser *self, int evidx,
                                  void(*timer)(void *arg),
                                  void *arg, int delay_secs)
@@ -663,22 +685,16 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
                                 ui_helpline__puts(help);
                         continue;
                 case 'o':
-                        self->use_offset = !self->use_offset;
-                        if (self->use_offset)
-                                self->target_width = self->min_addr_width;
-                        else
-                                self->target_width = self->max_addr_width;
-update_addr_width:
-                        self->addr_width = self->target_width;
-                        if (self->show_nr_jumps)
-                                self->addr_width += self->jumps_width + 1;
+                        annotate_browser__opts.use_offset = !annotate_browser__opts.use_offset;
+                        annotate_browser__update_addr_width(self);
                         continue;
                 case 'j':
-                        self->jump_arrows = !self->jump_arrows;
+                        annotate_browser__opts.jump_arrows = !annotate_browser__opts.jump_arrows;
                         continue;
                 case 'J':
-                        self->show_nr_jumps = !self->show_nr_jumps;
-                        goto update_addr_width;
+                        annotate_browser__opts.show_nr_jumps = !annotate_browser__opts.show_nr_jumps;
+                        annotate_browser__update_addr_width(self);
+                        continue;
                 case '/':
                         if (annotate_browser__search(self, delay_secs)) {
 show_help:
@@ -695,6 +711,17 @@ show_help:
                         if (annotate_browser__search_reverse(self, delay_secs))
                                 goto show_help;
                         continue;
+                case 'D': {
+                        static int seq;
+                        ui_helpline__pop();
+                        ui_helpline__fpush("%d: nr_ent=%d, height=%d, idx=%d, top_idx=%d, nr_asm_entries=%d",
+                                           seq++, self->b.nr_entries,
+                                           self->b.height,
+                                           self->b.index,
+                                           self->b.top_idx,
+                                           self->nr_asm_entries);
+                }
+                        continue;
                 case K_ENTER:
                 case K_RIGHT:
                         if (self->selection == NULL)
@@ -801,8 +828,6 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
                         .priv    = &ms,
                         .use_navkeypressed = true,
                 },
-                .use_offset = true,
-                .jump_arrows = true,
         };
         int ret = -1;
 
@@ -859,6 +884,12 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
         browser.b.nr_entries = browser.nr_entries;
         browser.b.entries = &notes->src->source,
         browser.b.width += 18; /* Percentage */
+
+        if (annotate_browser__opts.hide_src_code)
+                annotate_browser__init_asm_mode(&browser);
+
+        annotate_browser__update_addr_width(&browser);
+
         ret = annotate_browser__run(&browser, evidx, timer, arg, delay_secs);
         list_for_each_entry_safe(pos, n, &notes->src->source, node) {
                 list_del(&pos->node);