[tip:perf/urgent] perf annotate browser: Make feature toggles global

From: tip-bot for Arnaldo Carvalho de Melo
Date: Wed May 30 2012 - 03:51:57 EST

Commit-ID: e9823b21bab7ff0c39e14a7a970a40fad74ce778
Gitweb: http://git.kernel.org/tip/e9823b21bab7ff0c39e14a7a970a40fad74ce778
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Tue, 29 May 2012 21:24:05 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 29 May 2012 21:24:05 -0300

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@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-0h0tah1zj59p01581snjufne@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/ui/browsers/annotate.c | 101 ++++++++++++++++++++++++-------------
1 files changed, 66 insertions(+), 35 deletions(-)

diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index aaf36ce..02afa03 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);
--
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