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-rw-r--r--tools/perf/util/callchain.c134
1 files changed, 68 insertions, 66 deletions
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index b4204b43ed58..22d413ae6025 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -23,6 +23,7 @@
#include "sort.h"
#include "machine.h"
#include "callchain.h"
+#include "branch.h"
#define CALLCHAIN_PARAM_DEFAULT \
.mode = CHAIN_GRAPH_ABS, \
@@ -571,6 +572,11 @@ fill_node(struct callchain_node *node, struct callchain_cursor *cursor)
call->cycles_count = cursor_node->branch_flags.cycles;
call->iter_count = cursor_node->nr_loop_iter;
call->samples_count = cursor_node->samples;
+
+ branch_type_count(&call->brtype_stat,
+ &cursor_node->branch_flags,
+ cursor_node->branch_from,
+ cursor_node->ip);
}
list_add_tail(&call->list, &node->val);
@@ -688,6 +694,11 @@ static enum match_result match_chain(struct callchain_cursor_node *node,
cnode->cycles_count += node->branch_flags.cycles;
cnode->iter_count += node->nr_loop_iter;
cnode->samples_count += node->samples;
+
+ branch_type_count(&cnode->brtype_stat,
+ &node->branch_flags,
+ node->branch_from,
+ node->ip);
}
return MATCH_EQ;
@@ -922,7 +933,7 @@ merge_chain_branch(struct callchain_cursor *cursor,
list_for_each_entry_safe(list, next_list, &src->val, list) {
callchain_cursor_append(cursor, list->ip,
list->ms.map, list->ms.sym,
- false, NULL, 0, 0);
+ false, NULL, 0, 0, 0);
list_del(&list->list);
map__zput(list->ms.map);
free(list);
@@ -962,7 +973,7 @@ int callchain_merge(struct callchain_cursor *cursor,
int callchain_cursor_append(struct callchain_cursor *cursor,
u64 ip, struct map *map, struct symbol *sym,
bool branch, struct branch_flags *flags,
- int nr_loop_iter, int samples)
+ int nr_loop_iter, int samples, u64 branch_from)
{
struct callchain_cursor_node *node = *cursor->last;
@@ -986,6 +997,7 @@ int callchain_cursor_append(struct callchain_cursor *cursor,
memcpy(&node->branch_flags, flags,
sizeof(struct branch_flags));
+ node->branch_from = branch_from;
cursor->nr++;
cursor->last = &node->next;
@@ -1214,95 +1226,83 @@ int callchain_branch_counts(struct callchain_root *root,
cycles_count);
}
+static int count_pri64_printf(int idx, const char *str, u64 value, char *bf, int bfsize)
+{
+ int printed;
+
+ printed = scnprintf(bf, bfsize, "%s%s:%" PRId64 "", (idx) ? " " : " (", str, value);
+
+ return printed;
+}
+
+static int count_float_printf(int idx, const char *str, float value, char *bf, int bfsize)
+{
+ int printed;
+
+ printed = scnprintf(bf, bfsize, "%s%s:%.1f%%", (idx) ? " " : " (", str, value);
+
+ return printed;
+}
+
static int counts_str_build(char *bf, int bfsize,
u64 branch_count, u64 predicted_count,
u64 abort_count, u64 cycles_count,
- u64 iter_count, u64 samples_count)
+ u64 iter_count, u64 samples_count,
+ struct branch_type_stat *brtype_stat)
{
- double predicted_percent = 0.0;
- const char *null_str = "";
- char iter_str[32];
- char cycle_str[32];
- char *istr, *cstr;
u64 cycles;
+ int printed, i = 0;
if (branch_count == 0)
return scnprintf(bf, bfsize, " (calltrace)");
- cycles = cycles_count / branch_count;
-
- if (iter_count && samples_count) {
- if (cycles > 0)
- scnprintf(iter_str, sizeof(iter_str),
- " iterations:%" PRId64 "",
- iter_count / samples_count);
- else
- scnprintf(iter_str, sizeof(iter_str),
- "iterations:%" PRId64 "",
- iter_count / samples_count);
- istr = iter_str;
- } else
- istr = (char *)null_str;
-
- if (cycles > 0) {
- scnprintf(cycle_str, sizeof(cycle_str),
- "cycles:%" PRId64 "", cycles);
- cstr = cycle_str;
- } else
- cstr = (char *)null_str;
+ printed = branch_type_str(brtype_stat, bf, bfsize);
+ if (printed)
+ i++;
- predicted_percent = predicted_count * 100.0 / branch_count;
+ if (predicted_count < branch_count) {
+ printed += count_float_printf(i++, "predicted",
+ predicted_count * 100.0 / branch_count,
+ bf + printed, bfsize - printed);
+ }
- if ((predicted_count == branch_count) && (abort_count == 0)) {
- if ((cycles > 0) || (istr != (char *)null_str))
- return scnprintf(bf, bfsize, " (%s%s)", cstr, istr);
- else
- return scnprintf(bf, bfsize, "%s", (char *)null_str);
+ if (abort_count) {
+ printed += count_float_printf(i++, "abort",
+ abort_count * 100.0 / branch_count,
+ bf + printed, bfsize - printed);
}
- if ((predicted_count < branch_count) && (abort_count == 0)) {
- if ((cycles > 0) || (istr != (char *)null_str))
- return scnprintf(bf, bfsize,
- " (predicted:%.1f%% %s%s)",
- predicted_percent, cstr, istr);
- else {
- return scnprintf(bf, bfsize,
- " (predicted:%.1f%%)",
- predicted_percent);
- }
+ cycles = cycles_count / branch_count;
+ if (cycles) {
+ printed += count_pri64_printf(i++, "cycles",
+ cycles,
+ bf + printed, bfsize - printed);
}
- if ((predicted_count == branch_count) && (abort_count > 0)) {
- if ((cycles > 0) || (istr != (char *)null_str))
- return scnprintf(bf, bfsize,
- " (abort:%" PRId64 " %s%s)",
- abort_count, cstr, istr);
- else
- return scnprintf(bf, bfsize,
- " (abort:%" PRId64 ")",
- abort_count);
+ if (iter_count && samples_count) {
+ printed += count_pri64_printf(i++, "iterations",
+ iter_count / samples_count,
+ bf + printed, bfsize - printed);
}
- if ((cycles > 0) || (istr != (char *)null_str))
- return scnprintf(bf, bfsize,
- " (predicted:%.1f%% abort:%" PRId64 " %s%s)",
- predicted_percent, abort_count, cstr, istr);
+ if (i)
+ return scnprintf(bf + printed, bfsize - printed, ")");
- return scnprintf(bf, bfsize,
- " (predicted:%.1f%% abort:%" PRId64 ")",
- predicted_percent, abort_count);
+ bf[0] = 0;
+ return 0;
}
static int callchain_counts_printf(FILE *fp, char *bf, int bfsize,
u64 branch_count, u64 predicted_count,
u64 abort_count, u64 cycles_count,
- u64 iter_count, u64 samples_count)
+ u64 iter_count, u64 samples_count,
+ struct branch_type_stat *brtype_stat)
{
- char str[128];
+ char str[256];
counts_str_build(str, sizeof(str), branch_count,
predicted_count, abort_count, cycles_count,
- iter_count, samples_count);
+ iter_count, samples_count, brtype_stat);
if (fp)
return fprintf(fp, "%s", str);
@@ -1334,7 +1334,8 @@ int callchain_list_counts__printf_value(struct callchain_node *node,
return callchain_counts_printf(fp, bf, bfsize, branch_count,
predicted_count, abort_count,
- cycles_count, iter_count, samples_count);
+ cycles_count, iter_count, samples_count,
+ &clist->brtype_stat);
}
static void free_callchain_node(struct callchain_node *node)
@@ -1459,7 +1460,8 @@ int callchain_cursor__copy(struct callchain_cursor *dst,
rc = callchain_cursor_append(dst, node->ip, node->map, node->sym,
node->branch, &node->branch_flags,
- node->nr_loop_iter, node->samples);
+ node->nr_loop_iter, node->samples,
+ node->branch_from);
if (rc)
break;