From: Philippe Mathieu-Daudé <[email protected]>
Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Message-ID: <[email protected]>
Reviewed-by: Richard Henderson <[email protected]>
---
accel/tcg/translate-all.c | 3 +++
accel/tcg/trace-events | 1 +
2 files changed, 4 insertions(+)
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index da9d7f1675..fba4e9dc21 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -290,6 +290,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu, TCGTBCPUState
s)
if (unlikely(!tb)) {
/* flush must be done */
if (cpu_in_serial_context(cpu)) {
+ trace_tb_gen_code_buffer_overflow("tcg_tb_alloc");
tb_flush__exclusive_or_serial();
goto buffer_overflow;
}
@@ -325,6 +326,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu, TCGTBCPUState
s)
if (unlikely(gen_code_size < 0)) {
switch (gen_code_size) {
case -1:
+ trace_tb_gen_code_buffer_overflow("setjmp_gen_code");
/*
* Overflow of code_gen_buffer, or the current slice of it.
*
@@ -389,6 +391,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu, TCGTBCPUState
s)
search_size = encode_search(tb, (void *)gen_code_buf + gen_code_size);
if (unlikely(search_size < 0)) {
+ trace_tb_gen_code_buffer_overflow("encode_search");
tb_unlock_pages(tb);
goto buffer_overflow;
}
diff --git a/accel/tcg/trace-events b/accel/tcg/trace-events
index 121d6b5081..0816cafd33 100644
--- a/accel/tcg/trace-events
+++ b/accel/tcg/trace-events
@@ -12,6 +12,7 @@ memory_notdirty_set_dirty(uint64_t vaddr) "0x%" PRIx64
# translate-all.c
translate_block(void *tb, uintptr_t pc, const void *tb_code) "tb:%p,
pc:0x%"PRIxPTR", tb_code:%p"
+tb_gen_code_buffer_overflow(const char *reason) "reason: %s"
# ldst_atomicity
load_atom2_fallback(uint32_t memop, uintptr_t ra) "mop:0x%"PRIx32",
ra:0x%"PRIxPTR""
--
2.43.0
