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-rw-r--r--tools/perf/util/hist.c125
1 files changed, 75 insertions, 50 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 2be33c7dbf03..18cf8b321608 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -22,8 +22,10 @@ struct hist_entry *__perf_session__add_hist_entry(struct rb_root *hists,
struct hist_entry *he;
struct hist_entry entry = {
.thread = al->thread,
- .map = al->map,
- .sym = al->sym,
+ .ms = {
+ .map = al->map,
+ .sym = al->sym,
+ },
.ip = al->addr,
.level = al->level,
.count = count,
@@ -48,7 +50,8 @@ struct hist_entry *__perf_session__add_hist_entry(struct rb_root *hists,
p = &(*p)->rb_right;
}
- he = malloc(sizeof(*he));
+ he = malloc(sizeof(*he) + (symbol_conf.use_callchain ?
+ sizeof(struct callchain_node) : 0));
if (!he)
return NULL;
*he = entry;
@@ -166,7 +169,7 @@ static void perf_session__insert_output_hist_entry(struct rb_root *root,
struct hist_entry *iter;
if (symbol_conf.use_callchain)
- callchain_param.sort(&he->sorted_chain, &he->callchain,
+ callchain_param.sort(&he->sorted_chain, he->callchain,
min_callchain_hits, &callchain_param);
while (*p != NULL) {
@@ -183,12 +186,13 @@ static void perf_session__insert_output_hist_entry(struct rb_root *root,
rb_insert_color(&he->rb_node, root);
}
-void perf_session__output_resort(struct rb_root *hists, u64 total_samples)
+u64 perf_session__output_resort(struct rb_root *hists, u64 total_samples)
{
struct rb_root tmp;
struct rb_node *next;
struct hist_entry *n;
u64 min_callchain_hits;
+ u64 nr_hists = 0;
min_callchain_hits =
total_samples * (callchain_param.min_percent / 100);
@@ -203,9 +207,11 @@ void perf_session__output_resort(struct rb_root *hists, u64 total_samples)
rb_erase(&n->rb_node, hists);
perf_session__insert_output_hist_entry(&tmp, n,
min_callchain_hits);
+ ++nr_hists;
}
*hists = tmp;
+ return nr_hists;
}
static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
@@ -258,8 +264,8 @@ static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain,
} else
ret += fprintf(fp, "%s", " ");
}
- if (chain->sym)
- ret += fprintf(fp, "%s\n", chain->sym->name);
+ if (chain->ms.sym)
+ ret += fprintf(fp, "%s\n", chain->ms.sym->name);
else
ret += fprintf(fp, "%p\n", (void *)(long)chain->ip);
@@ -278,7 +284,7 @@ static void init_rem_hits(void)
}
strcpy(rem_sq_bracket->name, "[...]");
- rem_hits.sym = rem_sq_bracket;
+ rem_hits.ms.sym = rem_sq_bracket;
}
static size_t __callchain__fprintf_graph(FILE *fp, struct callchain_node *self,
@@ -328,8 +334,6 @@ static size_t __callchain__fprintf_graph(FILE *fp, struct callchain_node *self,
left_margin);
i = 0;
list_for_each_entry(chain, &child->val, list) {
- if (chain->ip >= PERF_CONTEXT_MAX)
- continue;
ret += ipchain__fprintf_graph(fp, chain, depth,
new_depth_mask, i++,
new_total,
@@ -368,9 +372,6 @@ static size_t callchain__fprintf_graph(FILE *fp, struct callchain_node *self,
int ret = 0;
list_for_each_entry(chain, &self->val, list) {
- if (chain->ip >= PERF_CONTEXT_MAX)
- continue;
-
if (!i++ && sort__first_dimension == SORT_SYM)
continue;
@@ -385,8 +386,8 @@ static size_t callchain__fprintf_graph(FILE *fp, struct callchain_node *self,
} else
ret += callchain__fprintf_left_margin(fp, left_margin);
- if (chain->sym)
- ret += fprintf(fp, " %s\n", chain->sym->name);
+ if (chain->ms.sym)
+ ret += fprintf(fp, " %s\n", chain->ms.sym->name);
else
ret += fprintf(fp, " %p\n", (void *)(long)chain->ip);
}
@@ -411,8 +412,8 @@ static size_t callchain__fprintf_flat(FILE *fp, struct callchain_node *self,
list_for_each_entry(chain, &self->val, list) {
if (chain->ip >= PERF_CONTEXT_MAX)
continue;
- if (chain->sym)
- ret += fprintf(fp, " %s\n", chain->sym->name);
+ if (chain->ms.sym)
+ ret += fprintf(fp, " %s\n", chain->ms.sym->name);
else
ret += fprintf(fp, " %p\n",
(void *)(long)chain->ip);
@@ -455,16 +456,17 @@ static size_t hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
return ret;
}
-static size_t hist_entry__fprintf(struct hist_entry *self,
- struct perf_session *pair_session,
- bool show_displacement,
- long displacement, FILE *fp,
- u64 session_total)
+int hist_entry__snprintf(struct hist_entry *self,
+ char *s, size_t size,
+ struct perf_session *pair_session,
+ bool show_displacement,
+ long displacement, bool color,
+ u64 session_total)
{
struct sort_entry *se;
u64 count, total;
const char *sep = symbol_conf.field_sep;
- size_t ret;
+ int ret;
if (symbol_conf.exclude_other && !self->parent)
return 0;
@@ -477,17 +479,22 @@ static size_t hist_entry__fprintf(struct hist_entry *self,
total = session_total;
}
- if (total)
- ret = percent_color_fprintf(fp, sep ? "%.2f" : " %6.2f%%",
- (count * 100.0) / total);
- else
- ret = fprintf(fp, sep ? "%lld" : "%12lld ", count);
+ if (total) {
+ if (color)
+ ret = percent_color_snprintf(s, size,
+ sep ? "%.2f" : " %6.2f%%",
+ (count * 100.0) / total);
+ else
+ ret = snprintf(s, size, sep ? "%.2f" : " %6.2f%%",
+ (count * 100.0) / total);
+ } else
+ ret = snprintf(s, size, sep ? "%lld" : "%12lld ", count);
if (symbol_conf.show_nr_samples) {
if (sep)
- fprintf(fp, "%c%lld", *sep, count);
+ ret += snprintf(s + ret, size - ret, "%c%lld", *sep, count);
else
- fprintf(fp, "%11lld", count);
+ ret += snprintf(s + ret, size - ret, "%11lld", count);
}
if (pair_session) {
@@ -507,9 +514,9 @@ static size_t hist_entry__fprintf(struct hist_entry *self,
snprintf(bf, sizeof(bf), " ");
if (sep)
- ret += fprintf(fp, "%c%s", *sep, bf);
+ ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf);
else
- ret += fprintf(fp, "%11.11s", bf);
+ ret += snprintf(s + ret, size - ret, "%11.11s", bf);
if (show_displacement) {
if (displacement)
@@ -518,9 +525,9 @@ static size_t hist_entry__fprintf(struct hist_entry *self,
snprintf(bf, sizeof(bf), " ");
if (sep)
- fprintf(fp, "%c%s", *sep, bf);
+ ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf);
else
- fprintf(fp, "%6.6s", bf);
+ ret += snprintf(s + ret, size - ret, "%6.6s", bf);
}
}
@@ -528,27 +535,41 @@ static size_t hist_entry__fprintf(struct hist_entry *self,
if (se->elide)
continue;
- fprintf(fp, "%s", sep ?: " ");
- ret += se->print(fp, self, se->width ? *se->width : 0);
+ ret += snprintf(s + ret, size - ret, "%s", sep ?: " ");
+ ret += se->snprintf(self, s + ret, size - ret,
+ se->width ? *se->width : 0);
}
- ret += fprintf(fp, "\n");
+ return ret;
+}
- if (symbol_conf.use_callchain) {
- int left_margin = 0;
+int hist_entry__fprintf(struct hist_entry *self,
+ struct perf_session *pair_session,
+ bool show_displacement,
+ long displacement, FILE *fp,
+ u64 session_total)
+{
+ char bf[512];
+ hist_entry__snprintf(self, bf, sizeof(bf), pair_session,
+ show_displacement, displacement,
+ true, session_total);
+ return fprintf(fp, "%s\n", bf);
+}
- if (sort__first_dimension == SORT_COMM) {
- se = list_first_entry(&hist_entry__sort_list, typeof(*se),
- list);
- left_margin = se->width ? *se->width : 0;
- left_margin -= thread__comm_len(self->thread);
- }
+static size_t hist_entry__fprintf_callchain(struct hist_entry *self, FILE *fp,
+ u64 session_total)
+{
+ int left_margin = 0;
- hist_entry_callchain__fprintf(fp, self, session_total,
- left_margin);
+ if (sort__first_dimension == SORT_COMM) {
+ struct sort_entry *se = list_first_entry(&hist_entry__sort_list,
+ typeof(*se), list);
+ left_margin = se->width ? *se->width : 0;
+ left_margin -= thread__comm_len(self->thread);
}
- return ret;
+ return hist_entry_callchain__fprintf(fp, self, session_total,
+ left_margin);
}
size_t perf_session__fprintf_hists(struct rb_root *hists,
@@ -655,9 +676,13 @@ print_entries:
}
ret += hist_entry__fprintf(h, pair, show_displacement,
displacement, fp, session_total);
- if (h->map == NULL && verbose > 1) {
+
+ if (symbol_conf.use_callchain)
+ ret += hist_entry__fprintf_callchain(h, fp, session_total);
+
+ if (h->ms.map == NULL && verbose > 1) {
__map_groups__fprintf_maps(&h->thread->mg,
- MAP__FUNCTION, fp);
+ MAP__FUNCTION, verbose, fp);
fprintf(fp, "%.10s end\n", graph_dotted_line);
}
}
generated by cgit v1.2.3 (git 2.0.4) at 2025-01-25 09:45:58 +0000