korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-16 00:34:20 +08:00
Code Issues Packages Projects Releases Wiki Activity

perf annotate browser: Use disasm__calc_percent()

Browse Source 
The disasm_line__calc_percent() which was used by annotate browser code
almost duplicates disasm__calc_percent.  Let's get rid of the code
duplication.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1362462812-30885-11-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2013-03-05 14:53:30 +09:00 committed by Arnaldo Carvalho de Melo
parent ab77df672c
commit e64aa75bf5
3 changed files with 20 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
tools/perf/ui/browsers/annotate.c
View File

@ -240,40 +240,6 @@ static unsigned int annotate_browser__refresh(struct ui_browser *browser)
return ret;
}
static double disasm_line__calc_percent(struct disasm_line *dl, struct symbol *sym, int evidx)
{
double percent = 0.0;
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 = dl->offset;
struct disasm_line *next;
next = disasm__get_next_ip_line(&notes->src->source, dl);
while (offset < (s64)len &&
(next == NULL || offset < next->offset)) {
if (src_line) {
percent += src_line[offset].p[0].percent;
} else
hits += h->addr[offset];
++offset;
}
/*
* If the percentage wasn't already calculated in
* symbol__get_source_line, do it now:
*/
if (src_line == NULL && h->sum)
percent = 100.0 * hits / h->sum;
}
return percent;
}
static void disasm_rb_tree__insert(struct rb_root *root, struct browser_disasm_line *bdl)
{
struct rb_node **p = &root->rb_node;
@ -337,7 +303,8 @@ 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 disasm_line *pos;
struct disasm_line *pos, *next;
s64 len = symbol__size(sym);
browser->entries = RB_ROOT;
@ -345,7 +312,18 @@ static void annotate_browser__calc_percent(struct annotate_browser *browser,
list_for_each_entry(pos, &notes->src->source, node) {
struct browser_disasm_line *bpos = disasm_line__browser(pos);
bpos->percent[0] = disasm_line__calc_percent(pos, sym, evsel->idx);
const char *path = NULL;
if (pos->offset == -1) {
RB_CLEAR_NODE(&bpos->rb_node);
continue;
}
next = disasm__get_next_ip_line(&notes->src->source, pos);
bpos->percent[0] = disasm__calc_percent(notes, evsel->idx,
pos->offset, next ? next->offset : len,
&path);
if (bpos->percent[0] < 0.01) {
RB_CLEAR_NODE(&bpos->rb_node);
continue;

4
tools/perf/util/annotate.c
View File

@ -603,8 +603,8 @@ struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disa
return NULL;
}
static double disasm__calc_percent(struct annotation *notes, int evidx,
s64 offset, s64 end, const char **path)
double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset,
s64 end, const char **path)
{
struct source_line *src_line = notes->src->lines;
double percent = 0.0;

4
tools/perf/util/annotate.h
View File

@ -50,6 +50,8 @@ bool ins__is_jump(const struct ins *ins);
bool ins__is_call(const struct ins *ins);
int ins__scnprintf(struct ins *ins, char *bf, size_t size, struct ins_operands *ops);
struct annotation;
struct disasm_line {
struct list_head node;
s64 offset;
@ -68,6 +70,8 @@ void disasm_line__free(struct disasm_line *dl);
struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos);
int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw);
size_t disasm__fprintf(struct list_head *head, FILE *fp);
double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset,
s64 end, const char **path);
struct sym_hist {
u64 sum;