[PATCH v4 7/7] accel/tcg: Split log_cpu_exec into inline and slow path

Richard Henderson posted 7 patches 3 years, 5 months ago
Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Yanan Wang <wangyanan55@huawei.com>, Peter Maydell <peter.maydell@linaro.org>, Michael Rolnik <mrolnik@gmail.com>, Taylor Simpson <tsimpson@quicinc.com>, Song Gao <gaosong@loongson.cn>, Xiaojuan Yang <yangxiaojuan@loongson.cn>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Aurelien Jarno <aurelien@aurel32.net>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Stafford Horne <shorne@gmail.com>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Bin Meng <bin.meng@windriver.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
[PATCH v4 7/7] accel/tcg: Split log_cpu_exec into inline and slow path
Posted by Richard Henderson 3 years, 5 months ago
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 accel/tcg/cpu-exec.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index 7fe42269ea..ac8eec7f54 100644
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -292,12 +292,11 @@ static inline TranslationBlock *tb_lookup(CPUState *cpu, target_ulong pc,
     return tb;
 }
 
-static inline void log_cpu_exec(target_ulong pc, CPUState *cpu,
-                                const TranslationBlock *tb)
+static void log_cpu_exec1(CPUState *cpu, const TranslationBlock *tb)
 {
-    if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_CPU | CPU_LOG_EXEC))
-        && qemu_log_in_addr_range(pc)) {
+    target_ulong pc = tb_pc_log(tb);
 
+    if (qemu_log_in_addr_range(pc)) {
         qemu_log_mask(CPU_LOG_EXEC,
                       "Trace %d: %p [" TARGET_FMT_lx
                       "/" TARGET_FMT_lx "/%08x/%08x] %s\n",
@@ -324,6 +323,13 @@ static inline void log_cpu_exec(target_ulong pc, CPUState *cpu,
     }
 }
 
+static inline void log_cpu_exec(CPUState *cpu, const TranslationBlock *tb)
+{
+    if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_CPU | CPU_LOG_EXEC))) {
+        log_cpu_exec1(cpu, tb);
+    }
+}
+
 static bool check_for_breakpoints(CPUState *cpu, target_ulong pc,
                                   uint32_t *cflags)
 {
@@ -421,7 +427,7 @@ const void *HELPER(lookup_tb_ptr)(CPUArchState *env)
         return tcg_code_gen_epilogue;
     }
 
-    log_cpu_exec(pc, cpu, tb);
+    log_cpu_exec(cpu, tb);
 
     return tb->tc.ptr;
 }
@@ -444,7 +450,7 @@ cpu_tb_exec(CPUState *cpu, TranslationBlock *itb, int *tb_exit)
     TranslationBlock *last_tb;
     const void *tb_ptr = itb->tc.ptr;
 
-    log_cpu_exec(tb_pc_log(itb), cpu, itb);
+    log_cpu_exec(cpu, itb);
 
     qemu_thread_jit_execute();
     ret = tcg_qemu_tb_exec(env, tb_ptr);
-- 
2.34.1
Re: [PATCH v4 7/7] accel/tcg: Split log_cpu_exec into inline and slow path
Posted by Philippe Mathieu-Daudé via 3 years, 5 months ago
On 6/9/22 11:11, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   accel/tcg/cpu-exec.c | 18 ++++++++++++------
>   1 file changed, 12 insertions(+), 6 deletions(-)
> 
> diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
> index 7fe42269ea..ac8eec7f54 100644
> --- a/accel/tcg/cpu-exec.c
> +++ b/accel/tcg/cpu-exec.c
> @@ -292,12 +292,11 @@ static inline TranslationBlock *tb_lookup(CPUState *cpu, target_ulong pc,
>       return tb;
>   }
>   
> -static inline void log_cpu_exec(target_ulong pc, CPUState *cpu,
> -                                const TranslationBlock *tb)
> +static void log_cpu_exec1(CPUState *cpu, const TranslationBlock *tb)

Eventually rename as log_cpu_exec_slow[_path]().

>   {
> -    if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_CPU | CPU_LOG_EXEC))
> -        && qemu_log_in_addr_range(pc)) {
> +    target_ulong pc = tb_pc_log(tb);
>   
> +    if (qemu_log_in_addr_range(pc)) {
>           qemu_log_mask(CPU_LOG_EXEC,
>                         "Trace %d: %p [" TARGET_FMT_lx
>                         "/" TARGET_FMT_lx "/%08x/%08x] %s\n",
> @@ -324,6 +323,13 @@ static inline void log_cpu_exec(target_ulong pc, CPUState *cpu,
>       }
>   }
>   
> +static inline void log_cpu_exec(CPUState *cpu, const TranslationBlock *tb)
> +{
> +    if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_CPU | CPU_LOG_EXEC))) {
> +        log_cpu_exec1(cpu, tb);
> +    }
> +}

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>