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X-Received-From: 2a00:1450:4864:20::436 Subject: [Qemu-devel] [RFC PATCH 04/21] trace: enable the exec_tb trace events X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Crosthwaite , cota@braap.org, Pavel.Dovgaluk@ispras.ru, Paolo Bonzini , =?UTF-8?q?Alex=20Benn=C3=A9e?= , vilanova@ac.upc.edu, Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDMRC_1 RDKM_2 RSF_0 Z_629925259 SPT_0 Our performance isn't so critical that we can't spare a simple flag check when we exec a TB considering everything else we check in the outer loop. Signed-off-by: Alex Benn=C3=A9e Reviewed-by: Richard Henderson --- accel/tcg/trace-events | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/accel/tcg/trace-events b/accel/tcg/trace-events index c22ad60af7..618cc07738 100644 --- a/accel/tcg/trace-events +++ b/accel/tcg/trace-events @@ -1,10 +1,11 @@ # Trace events for debugging and performance instrumentation =20 -# TCG related tracing (mostly disabled by default) +# TCG related tracing (you still need -d nochain to get a full picture +# as otherwise you'll only see the first TB executed in a chain) # cpu-exec.c -disable exec_tb(void *tb, uintptr_t pc) "tb:%p pc=3D0x%"PRIxPTR -disable exec_tb_nocache(void *tb, uintptr_t pc) "tb:%p pc=3D0x%"PRIxPTR -disable exec_tb_exit(void *last_tb, unsigned int flags) "tb:%p flags=3D0x%= x" +exec_tb(void *tb, uintptr_t pc) "tb:%p pc=3D0x%"PRIxPTR +exec_tb_nocache(void *tb, uintptr_t pc) "tb:%p pc=3D0x%"PRIxPTR +exec_tb_exit(void *last_tb, unsigned int flags) "tb:%p flags=3D0x%x" =20 # translate-all.c translate_block(void *tb, uintptr_t pc, uint8_t *tb_code) "tb:%p, pc:0x%"P= RIxPTR", tb_code:%p" --=20 2.17.1