Adding TBStatistics information to linux perf TB's symbol names.
This commit depends on the following PATCH:
[PATCH v5 00/10] Measure Tiny Code Generation Quality
Signed-off-by: Vanderson M. do Rosario <vanderson...@gmail.com>
---
accel/tcg/perf/jitdump.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/accel/tcg/perf/jitdump.c b/accel/tcg/perf/jitdump.c
index 6fb464039d..6a7ca4cf06 100644
--- a/accel/tcg/perf/jitdump.c
+++ b/accel/tcg/perf/jitdump.c
@@ -21,6 +21,7 @@
#include "disas/disas.h"
#include "jitdump.h"
#include "qemu-common.h"
+#include "exec/tb-stats.h"
struct jitheader {
uint32_t magic; /* characters "jItD" */
@@ -149,7 +150,20 @@ void start_jitdump_file(void)
void append_load_in_jitdump_file(TranslationBlock *tb)
{
- gchar *func_name = g_strdup_printf("TB virt:0x"TARGET_FMT_lx, tb->pc);
+ gchar *func_name;
+ if (tb->tb_stats) {
+ TBStatistics *tbs = tb->tb_stats;
+ unsigned g = stat_per_translation(tbs, code.num_guest_inst);
+ unsigned ops = stat_per_translation(tbs, code.num_tcg_ops);
+ unsigned ops_opt = stat_per_translation(tbs, code.num_tcg_ops_opt);
+ unsigned spills = stat_per_translation(tbs, code.spills);
+
+ func_name = g_strdup_printf(func_name,
+ "TB virt:0x"TARGET_FMT_lx" (g:%u op:%u opt:%u spills:%d)",
+ tb->pc, g, ops, ops_opt, spills);
+ } else {
+ func_name = g_strdup_printf("TB virt:0x"TARGET_FMT_lx, tb->pc);
+ }
struct jr_code_load load_event;
load_event.p.id = JIT_CODE_LOAD;
--
2.22.0
