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perf annotate: Rename objdump_line to disasm_line

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We want to move away from using 'objdump -dS' as the only disassembler
supported.

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-lsn9pjuxxm5ezsubyhkmprw7@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2012-04-15 15:24:39 -03:00
parent a385ec4f11
commit 29ed6e76b4
3 changed files with 128 additions and 134 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

179
tools/perf/ui/browsers/annotate.c
View File

@ -15,7 +15,7 @@ struct annotate_browser {
struct ui_browser b;
struct rb_root entries;
struct rb_node *curr_hot;
struct objdump_line *selection;
struct disasm_line *selection;
u64 start;
int nr_asm_entries;
int nr_entries;
@ -25,26 +25,25 @@ struct annotate_browser {
char search_bf[128];
};
struct objdump_line_rb_node {
struct disasm_line_rb_node {
struct rb_node rb_node;
double percent;
u32 idx;
int idx_asm;
};
static inline
struct objdump_line_rb_node *objdump_line__rb(struct objdump_line *self)
static inline struct disasm_line_rb_node *disasm_line__rb(struct disasm_line *dl)
{
return (struct objdump_line_rb_node *)(self + 1);
return (struct disasm_line_rb_node *)(dl + 1);
}
static bool objdump_line__filter(struct ui_browser *browser, void *entry)
static bool disasm_line__filter(struct ui_browser *browser, void *entry)
{
struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);
if (ab->hide_src_code) {
struct objdump_line *ol = list_entry(entry, struct objdump_line, node);
return ol->offset == -1;
struct disasm_line *dl = list_entry(entry, struct disasm_line, node);
return dl->offset == -1;
}
return false;
@ -53,17 +52,17 @@ static bool objdump_line__filter(struct ui_browser *browser, void *entry)
static void annotate_browser__write(struct ui_browser *self, void *entry, int row)
{
struct annotate_browser *ab = container_of(self, struct annotate_browser, b);
struct objdump_line *ol = list_entry(entry, struct objdump_line, node);
struct disasm_line *dl = list_entry(entry, struct disasm_line, node);
bool current_entry = ui_browser__is_current_entry(self, row);
bool change_color = (!ab->hide_src_code &&
(!current_entry || (self->use_navkeypressed &&
!self->navkeypressed)));
int width = self->width;
if (ol->offset != -1) {
struct objdump_line_rb_node *olrb = objdump_line__rb(ol);
ui_browser__set_percent_color(self, olrb->percent, current_entry);
slsmg_printf(" %7.2f ", olrb->percent);
if (dl->offset != -1) {
struct disasm_line_rb_node *dlrb = disasm_line__rb(dl);
ui_browser__set_percent_color(self, dlrb->percent, current_entry);
slsmg_printf(" %7.2f ", dlrb->percent);
} else {
ui_browser__set_percent_color(self, 0, current_entry);
slsmg_write_nstring(" ", 9);
@ -76,16 +75,16 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro
if (!self->navkeypressed)
width += 1;
if (ol->offset != -1 && change_color)
if (dl->offset != -1 && change_color)
ui_browser__set_color(self, HE_COLORSET_CODE);
if (!*ol->line)
if (!*dl->line)
slsmg_write_nstring(" ", width - 18);
else if (ol->offset == -1)
slsmg_write_nstring(ol->line, width - 18);
else if (dl->offset == -1)
slsmg_write_nstring(dl->line, width - 18);
else {
char bf[64];
u64 addr = ol->offset;
u64 addr = dl->offset;
int printed, color = -1;
if (!ab->use_offset)
@ -97,28 +96,27 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro
slsmg_write_nstring(bf, printed);
if (change_color)
ui_browser__set_color(self, color);
slsmg_write_nstring(ol->line, width - 18 - printed);
slsmg_write_nstring(dl->line, width - 18 - printed);
}
if (current_entry)
ab->selection = ol;
ab->selection = dl;
}
static double objdump_line__calc_percent(struct objdump_line *self,
struct symbol *sym, int evidx)
static double disasm_line__calc_percent(struct disasm_line *dl, struct symbol *sym, int evidx)
{
double percent = 0.0;
if (self->offset != -1) {
if (dl->offset != -1) {
int len = sym->end - sym->start;
unsigned int hits = 0;
struct annotation *notes = symbol__annotation(sym);
struct source_line *src_line = notes->src->lines;
struct sym_hist *h = annotation__histogram(notes, evidx);
s64 offset = self->offset;
struct objdump_line *next;
s64 offset = dl->offset;
struct disasm_line *next;
next = objdump__get_next_ip_line(&notes->src->source, self);
next = disasm__get_next_ip_line(&notes->src->source, dl);
while (offset < (s64)len &&
(next == NULL || offset < next->offset)) {
if (src_line) {
@ -139,27 +137,26 @@ static double objdump_line__calc_percent(struct objdump_line *self,
return percent;
}
static void objdump__insert_line(struct rb_root *self,
struct objdump_line_rb_node *line)
static void disasm_rb_tree__insert(struct rb_root *root, struct disasm_line_rb_node *dlrb)
{
struct rb_node **p = &self->rb_node;
struct rb_node **p = &root->rb_node;
struct rb_node *parent = NULL;
struct objdump_line_rb_node *l;
struct disasm_line_rb_node *l;
while (*p != NULL) {
parent = *p;
l = rb_entry(parent, struct objdump_line_rb_node, rb_node);
if (line->percent < l->percent)
l = rb_entry(parent, struct disasm_line_rb_node, rb_node);
if (dlrb->percent < l->percent)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
}
rb_link_node(&line->rb_node, parent, p);
rb_insert_color(&line->rb_node, self);
rb_link_node(&dlrb->rb_node, parent, p);
rb_insert_color(&dlrb->rb_node, root);
}
static void annotate_browser__set_top(struct annotate_browser *self,
struct objdump_line *pos, u32 idx)
struct disasm_line *pos, u32 idx)
{
unsigned back;
@ -168,9 +165,9 @@ static void annotate_browser__set_top(struct annotate_browser *self,
self->b.top_idx = self->b.index = idx;
while (self->b.top_idx != 0 && back != 0) {
pos = list_entry(pos->node.prev, struct objdump_line, node);
pos = list_entry(pos->node.prev, struct disasm_line, node);
if (objdump_line__filter(&self->b, &pos->node))
if (disasm_line__filter(&self->b, &pos->node))
continue;
--self->b.top_idx;
@ -184,11 +181,11 @@ static void annotate_browser__set_top(struct annotate_browser *self,
static void annotate_browser__set_rb_top(struct annotate_browser *browser,
struct rb_node *nd)
{
struct objdump_line_rb_node *rbpos;
struct objdump_line *pos;
struct disasm_line_rb_node *rbpos;
struct disasm_line *pos;
rbpos = rb_entry(nd, struct objdump_line_rb_node, rb_node);
pos = ((struct objdump_line *)rbpos) - 1;
rbpos = rb_entry(nd, struct disasm_line_rb_node, rb_node);
pos = ((struct disasm_line *)rbpos) - 1;
annotate_browser__set_top(browser, pos, rbpos->idx);
browser->curr_hot = nd;
}
@ -199,20 +196,20 @@ static void annotate_browser__calc_percent(struct annotate_browser *browser,
struct map_symbol *ms = browser->b.priv;
struct symbol *sym = ms->sym;
struct annotation *notes = symbol__annotation(sym);
struct objdump_line *pos;
struct disasm_line *pos;
browser->entries = RB_ROOT;
pthread_mutex_lock(&notes->lock);
list_for_each_entry(pos, &notes->src->source, node) {
struct objdump_line_rb_node *rbpos = objdump_line__rb(pos);
rbpos->percent = objdump_line__calc_percent(pos, sym, evidx);
struct disasm_line_rb_node *rbpos = disasm_line__rb(pos);
rbpos->percent = disasm_line__calc_percent(pos, sym, evidx);
if (rbpos->percent < 0.01) {
RB_CLEAR_NODE(&rbpos->rb_node);
continue;
}
objdump__insert_line(&browser->entries, rbpos);
disasm_rb_tree__insert(&browser->entries, rbpos);
}
pthread_mutex_unlock(&notes->lock);
@ -221,38 +218,38 @@ static void annotate_browser__calc_percent(struct annotate_browser *browser,
static bool annotate_browser__toggle_source(struct annotate_browser *browser)
{
struct objdump_line *ol;
struct objdump_line_rb_node *olrb;
struct disasm_line *dl;
struct disasm_line_rb_node *dlrb;
off_t offset = browser->b.index - browser->b.top_idx;
browser->b.seek(&browser->b, offset, SEEK_CUR);
ol = list_entry(browser->b.top, struct objdump_line, node);
olrb = objdump_line__rb(ol);
dl = list_entry(browser->b.top, struct disasm_line, node);
dlrb = disasm_line__rb(dl);
if (browser->hide_src_code) {
if (olrb->idx_asm < offset)
offset = olrb->idx;
if (dlrb->idx_asm < offset)
offset = dlrb->idx;
browser->b.nr_entries = browser->nr_entries;
browser->hide_src_code = false;
browser->b.seek(&browser->b, -offset, SEEK_CUR);
browser->b.top_idx = olrb->idx - offset;
browser->b.index = olrb->idx;
browser->b.top_idx = dlrb->idx - offset;
browser->b.index = dlrb->idx;
} else {
if (olrb->idx_asm < 0) {
if (dlrb->idx_asm < 0) {
ui_helpline__puts("Only available for assembly lines.");
browser->b.seek(&browser->b, -offset, SEEK_CUR);
return false;
}
if (olrb->idx_asm < offset)
offset = olrb->idx_asm;
if (dlrb->idx_asm < offset)
offset = dlrb->idx_asm;
browser->b.nr_entries = browser->nr_asm_entries;
browser->hide_src_code = true;
browser->b.seek(&browser->b, -offset, SEEK_CUR);
browser->b.top_idx = olrb->idx_asm - offset;
browser->b.index = olrb->idx_asm;
browser->b.top_idx = dlrb->idx_asm - offset;
browser->b.index = dlrb->idx_asm;
}
return true;
@ -302,20 +299,20 @@ static bool annotate_browser__callq(struct annotate_browser *browser,
return true;
}
static struct objdump_line *
annotate_browser__find_offset(struct annotate_browser *browser,
s64 offset, s64 *idx)
static
struct disasm_line *annotate_browser__find_offset(struct annotate_browser *browser,
s64 offset, s64 *idx)
{
struct map_symbol *ms = browser->b.priv;
struct symbol *sym = ms->sym;
struct annotation *notes = symbol__annotation(sym);
struct objdump_line *pos;
struct disasm_line *pos;
*idx = 0;
list_for_each_entry(pos, &notes->src->source, node) {
if (pos->offset == offset)
return pos;
if (!objdump_line__filter(&browser->b, &pos->node))
if (!disasm_line__filter(&browser->b, &pos->node))
++*idx;
}
@ -325,7 +322,7 @@ static struct objdump_line *
static bool annotate_browser__jump(struct annotate_browser *browser)
{
const char *jumps[] = { "je ", "jne ", "ja ", "jmpq ", "js ", "jmp ", NULL };
struct objdump_line *line;
struct disasm_line *dl;
s64 idx, offset;
char *s = NULL;
int i = 0;
@ -346,29 +343,29 @@ static bool annotate_browser__jump(struct annotate_browser *browser)
}
offset = strtoll(s, NULL, 16);
line = annotate_browser__find_offset(browser, offset, &idx);
if (line == NULL) {
dl = annotate_browser__find_offset(browser, offset, &idx);
if (dl == NULL) {
ui_helpline__puts("Invallid jump offset");
return true;
}
annotate_browser__set_top(browser, line, idx);
annotate_browser__set_top(browser, dl, idx);
return true;
}
static struct objdump_line *
annotate_browser__find_string(struct annotate_browser *browser,
char *s, s64 *idx)
static
struct disasm_line *annotate_browser__find_string(struct annotate_browser *browser,
char *s, s64 *idx)
{
struct map_symbol *ms = browser->b.priv;
struct symbol *sym = ms->sym;
struct annotation *notes = symbol__annotation(sym);
struct objdump_line *pos = browser->selection;
struct disasm_line *pos = browser->selection;
*idx = browser->b.index;
list_for_each_entry_continue(pos, &notes->src->source, node) {
if (objdump_line__filter(&browser->b, &pos->node))
if (disasm_line__filter(&browser->b, &pos->node))
continue;
++*idx;
@ -382,32 +379,32 @@ static struct objdump_line *
static bool __annotate_browser__search(struct annotate_browser *browser)
{
struct objdump_line *line;
struct disasm_line *dl;
s64 idx;
line = annotate_browser__find_string(browser, browser->search_bf, &idx);
if (line == NULL) {
dl = annotate_browser__find_string(browser, browser->search_bf, &idx);
if (dl == NULL) {
ui_helpline__puts("String not found!");
return false;
}
annotate_browser__set_top(browser, line, idx);
annotate_browser__set_top(browser, dl, idx);
browser->searching_backwards = false;
return true;
}
static struct objdump_line *
annotate_browser__find_string_reverse(struct annotate_browser *browser,
char *s, s64 *idx)
static
struct disasm_line *annotate_browser__find_string_reverse(struct annotate_browser *browser,
char *s, s64 *idx)
{
struct map_symbol *ms = browser->b.priv;
struct symbol *sym = ms->sym;
struct annotation *notes = symbol__annotation(sym);
struct objdump_line *pos = browser->selection;
struct disasm_line *pos = browser->selection;
*idx = browser->b.index;
list_for_each_entry_continue_reverse(pos, &notes->src->source, node) {
if (objdump_line__filter(&browser->b, &pos->node))
if (disasm_line__filter(&browser->b, &pos->node))
continue;
--*idx;
@ -421,16 +418,16 @@ static struct objdump_line *
static bool __annotate_browser__search_reverse(struct annotate_browser *browser)
{
struct objdump_line *line;
struct disasm_line *dl;
s64 idx;
line = annotate_browser__find_string_reverse(browser, browser->search_bf, &idx);
if (line == NULL) {
dl = annotate_browser__find_string_reverse(browser, browser->search_bf, &idx);
if (dl == NULL) {
ui_helpline__puts("String not found!");
return false;
}
annotate_browser__set_top(browser, line, idx);
annotate_browser__set_top(browser, dl, idx);
browser->searching_backwards = true;
return true;
}
@ -613,7 +610,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
void(*timer)(void *arg), void *arg,
int delay_secs)
{
struct objdump_line *pos, *n;
struct disasm_line *pos, *n;
struct annotation *notes;
struct map_symbol ms = {
.map = map,
@ -624,7 +621,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
.refresh = ui_browser__list_head_refresh,
.seek = ui_browser__list_head_seek,
.write = annotate_browser__write,
.filter = objdump_line__filter,
.filter = disasm_line__filter,
.priv = &ms,
.use_navkeypressed = true,
},
@ -637,7 +634,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
if (map->dso->annotate_warned)
return -1;
if (symbol__annotate(sym, map, sizeof(struct objdump_line_rb_node)) < 0) {
if (symbol__annotate(sym, map, sizeof(struct disasm_line_rb_node)) < 0) {
ui__error("%s", ui_helpline__last_msg);
return -1;
}
@ -648,12 +645,12 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
browser.start = map__rip_2objdump(map, sym->start);
list_for_each_entry(pos, &notes->src->source, node) {
struct objdump_line_rb_node *rbpos;
struct disasm_line_rb_node *rbpos;
size_t line_len = strlen(pos->line);
if (browser.b.width < line_len)
browser.b.width = line_len;
rbpos = objdump_line__rb(pos);
rbpos = disasm_line__rb(pos);
rbpos->idx = browser.nr_entries++;
if (pos->offset != -1)
rbpos->idx_asm = browser.nr_asm_entries++;
@ -667,7 +664,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
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);
objdump_line__free(pos);
disasm_line__free(pos);
}
return ret;
}

72
tools/perf/util/annotate.c
View File

@ -78,36 +78,35 @@ int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
return 0;
}
static struct objdump_line *objdump_line__new(s64 offset, char *line, size_t privsize)
static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privsize)
{
struct objdump_line *self = malloc(sizeof(*self) + privsize);
struct disasm_line *dl = malloc(sizeof(*dl) + privsize);
if (self != NULL) {
self->offset = offset;
self->line = strdup(line);
if (self->line == NULL)
if (dl != NULL) {
dl->offset = offset;
dl->line = strdup(line);
if (dl->line == NULL)
goto out_delete;
}
return self;
return dl;
out_delete:
free(self);
free(dl);
return NULL;
}
void objdump_line__free(struct objdump_line *self)
void disasm_line__free(struct disasm_line *dl)
{
free(self->line);
free(self);
free(dl->line);
free(dl);
}
static void objdump__add_line(struct list_head *head, struct objdump_line *line)
static void disasm__add(struct list_head *head, struct disasm_line *line)
{
list_add_tail(&line->node, head);
}
struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
struct objdump_line *pos)
struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos)
{
list_for_each_entry_continue(pos, head, node)
if (pos->offset >= 0)
@ -116,15 +115,14 @@ struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
return NULL;
}
static int objdump_line__print(struct objdump_line *oline, struct symbol *sym,
u64 start, int evidx, u64 len, int min_pcnt,
int printed, int max_lines,
struct objdump_line *queue)
static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start,
int evidx, u64 len, int min_pcnt, int printed,
int max_lines, struct disasm_line *queue)
{
static const char *prev_line;
static const char *prev_color;
if (oline->offset != -1) {
if (dl->offset != -1) {
const char *path = NULL;
unsigned int hits = 0;
double percent = 0.0;
@ -132,11 +130,11 @@ static int objdump_line__print(struct objdump_line *oline, struct symbol *sym,
struct annotation *notes = symbol__annotation(sym);
struct source_line *src_line = notes->src->lines;
struct sym_hist *h = annotation__histogram(notes, evidx);
s64 offset = oline->offset;
s64 offset = dl->offset;
const u64 addr = start + offset;
struct objdump_line *next;
struct disasm_line *next;
next = objdump__get_next_ip_line(&notes->src->source, oline);
next = disasm__get_next_ip_line(&notes->src->source, dl);
while (offset < (s64)len &&
(next == NULL || offset < next->offset)) {
@ -161,9 +159,9 @@ static int objdump_line__print(struct objdump_line *oline, struct symbol *sym,
if (queue != NULL) {
list_for_each_entry_from(queue, &notes->src->source, node) {
if (queue == oline)
if (queue == dl)
break;
objdump_line__print(queue, sym, start, evidx, len,
disasm_line__print(queue, sym, start, evidx, len,
0, 0, 1, NULL);
}
}
@ -187,17 +185,17 @@ static int objdump_line__print(struct objdump_line *oline, struct symbol *sym,
color_fprintf(stdout, color, " %7.2f", percent);
printf(" : ");
color_fprintf(stdout, PERF_COLOR_MAGENTA, " %" PRIx64 ":", addr);
color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", oline->line);
color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", dl->line);
} else if (max_lines && printed >= max_lines)
return 1;
else {
if (queue)
return -1;
if (!*oline->line)
if (!*dl->line)
printf(" :\n");
else
printf(" : %s\n", oline->line);
printf(" : %s\n", dl->line);
}
return 0;
@ -207,7 +205,7 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map,
FILE *file, size_t privsize)
{
struct annotation *notes = symbol__annotation(sym);
struct objdump_line *objdump_line;
struct disasm_line *dl;
char *line = NULL, *parsed_line, *tmp, *tmp2, *c;
size_t line_len;
s64 line_ip, offset = -1;
@ -258,13 +256,13 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map,
parsed_line = tmp2 + 1;
}
objdump_line = objdump_line__new(offset, parsed_line, privsize);
dl = disasm_line__new(offset, parsed_line, privsize);
free(line);
if (objdump_line == NULL)
if (dl == NULL)
return -1;
objdump__add_line(&notes->src->source, objdump_line);
disasm__add(&notes->src->source, dl);
return 0;
}
@ -503,7 +501,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
struct dso *dso = map->dso;
const char *filename = dso->long_name, *d_filename;
struct annotation *notes = symbol__annotation(sym);
struct objdump_line *pos, *queue = NULL;
struct disasm_line *pos, *queue = NULL;
u64 start = map__rip_2objdump(map, sym->start);
int printed = 2, queue_len = 0;
int more = 0;
@ -528,7 +526,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
queue_len = 0;
}
switch (objdump_line__print(pos, sym, start, evidx, len,
switch (disasm_line__print(pos, sym, start, evidx, len,
min_pcnt, printed, max_lines,
queue)) {
case 0:
@ -583,13 +581,13 @@ void symbol__annotate_decay_histogram(struct symbol *sym, int evidx)
}
}
void objdump_line_list__purge(struct list_head *head)
void disasm__purge(struct list_head *head)
{
struct objdump_line *pos, *n;
struct disasm_line *pos, *n;
list_for_each_entry_safe(pos, n, head, node) {
list_del(&pos->node);
objdump_line__free(pos);
disasm_line__free(pos);
}
}
@ -618,7 +616,7 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
if (print_lines)
symbol__free_source_line(sym, len);
objdump_line_list__purge(&symbol__annotation(sym)->src->source);
disasm__purge(&symbol__annotation(sym)->src->source);
return 0;
}

11
tools/perf/util/annotate.h
View File

@ -7,15 +7,14 @@
#include <linux/list.h>
#include <linux/rbtree.h>
struct objdump_line {
struct disasm_line {
struct list_head node;
s64 offset;
char *line;
};
void objdump_line__free(struct objdump_line *self);
struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
struct objdump_line *pos);
void disasm_line__free(struct disasm_line *dl);
struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos);
struct sym_hist {
u64 sum;
@ -32,7 +31,7 @@ struct source_line {
*
* @histogram: Array of addr hit histograms per event being monitored
* @lines: If 'print_lines' is specified, per source code line percentages
* @source: source parsed from objdump -dS
* @source: source parsed from a disassembler like objdump -dS
*
* lines is allocated, percentages calculated and all sorted by percentage
* when the annotation is about to be presented, so the percentages are for
@ -82,7 +81,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
int context);
void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
void objdump_line_list__purge(struct list_head *head);
void disasm__purge(struct list_head *head);
int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
bool print_lines, bool full_paths, int min_pcnt,