posix-timers: print RT watchdog message
authorHiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Fri, 16 May 2008 02:42:49 +0000 (19:42 -0700)
committerThomas Gleixner <tglx@linutronix.de>
Sat, 24 May 2008 16:49:22 +0000 (18:49 +0200)
It's useful to detect which process is killed by RT watchdog.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
kernel/posix-cpu-timers.c

index f1525ad06cb3ebbb83680b2bc0176854002217ca..c42a03aef36f07fd326eba959a90aa7bbe45dbd8 100644 (file)
@@ -1037,6 +1037,9 @@ static void check_thread_timers(struct task_struct *tsk,
                                sig->rlim[RLIMIT_RTTIME].rlim_cur +=
                                                                USEC_PER_SEC;
                        }
+                       printk(KERN_INFO
+                               "RT Watchdog Timeout: %s[%d]\n",
+                               tsk->comm, task_pid_nr(tsk));
                        __group_send_sig_info(SIGXCPU, SEND_SIG_PRIV, tsk);
                }
        }