From: J. Neuschäfer <j.neuschaefer@gmx.net>
Date: Wed, 20 Nov 2024 20:20:24 +0000 (-0600)
Subject: linux-user: Print tid not pid with strace
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e8b609ac3598c44bba6535cd1306222eb4440bbb;p=qemu.git

linux-user: Print tid not pid with strace

This aligns with strace, and is very useful when tracing multi-threaded
programs. The result is the same in single-threaded programs.

Signed-off-by: J. Neuschäfer <j.neuschaefer@gmx.net>
Message-Id: 20241024-strace-v1-1-56c4161431cd@gmx.net
[rth: Use TaskState.ts_tid via get_task_state()]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/linux-user/strace.c b/linux-user/strace.c
index b70eadc19e..f68c5cdc44 100644
--- a/linux-user/strace.c
+++ b/linux-user/strace.c
@@ -4401,7 +4401,7 @@ print_syscall(CPUArchState *cpu_env, int num,
     if (!f) {
         return;
     }
-    fprintf(f, "%d ", getpid());
+    fprintf(f, "%d ", get_task_state(env_cpu(cpu_env))->ts_tid);
 
     for (i = 0; i < nsyscalls; i++) {
         if (scnames[i].nr == num) {