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Subject[PATCH 10/12] perf annotate browser: Use disasm__calc_percent()
Date
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>
---
tools/perf/ui/browsers/annotate.c | 50 +++++++++++----------------------------
tools/perf/util/annotate.c | 4 ++--
tools/perf/util/annotate.h | 4 ++++
3 files changed, 20 insertions(+), 38 deletions(-)

diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index 62369f0b6608..8b16926dd56e 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -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;
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 05e34df5d041..d102716c43a1 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -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;
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index 68f851e6c685..6f3c16f01ab4 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -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;
--
1.7.11.7


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