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From: Howard Su <howardsu@FreeBSD.org>
To: Perforce Change Reviews <perforce@FreeBSD.org>
Cc: 
Subject: PERFORCE change 102003 for review
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http://perforce.freebsd.org/chv.cgi?CH=102003

Change 102003 by howardsu@su_vm on 2006/07/20 15:47:22

	Add more probes for 'proc' probe that align with Solaris' name.

Affected files ...

.. //depot/projects/dtrace/src/sys/kern/kern_exec.c#6 edit
.. //depot/projects/dtrace/src/sys/kern/kern_exit.c#5 edit
.. //depot/projects/dtrace/src/sys/kern/kern_fork.c#4 edit

Differences ...

==== //depot/projects/dtrace/src/sys/kern/kern_exec.c#6 (text+ko) ====

@@ -790,6 +790,12 @@
 	VFS_UNLOCK_GIANT(vfslocked);
 	exec_free_args(args);
 
+	if (error == 0) {
+		DTRACE_PROBE1(__proc_exec__success, proc *, p);
+	}
+	else {
+		DTRACE_PROBE1(__proc_exec__failure, int, error); 
+	}	
 	if (error && imgp->vmspace_destroyed) {
 		/* sorry, no more process anymore. exit gracefully */
 		exit1(td, W_EXITCODE(0, SIGABRT));

==== //depot/projects/dtrace/src/sys/kern/kern_exit.c#5 (text+ko) ====

@@ -59,6 +59,7 @@
 #include <sys/sbuf.h>
 #include <sys/signalvar.h>
 #include <sys/sched.h>
+#include <sys/sdt.h>
 #include <sys/sx.h>
 #include <sys/syscallsubr.h>
 #include <sys/syslog.h>
@@ -91,7 +92,6 @@
 /*
  * exit --
  *	Death of process.
- *
  * MPSAFE
  */
 void
@@ -236,6 +236,8 @@
 	 */
 	EVENTHANDLER_INVOKE(process_exit, p);
 
+	DTRACE_PROBE1(__proc_exit, int, WTERMSIG(rv));
+
 	MALLOC(p->p_ru, struct rusage *, sizeof(struct rusage),
 		M_ZOMBIE, M_WAITOK);
 	/*

==== //depot/projects/dtrace/src/sys/kern/kern_fork.c#4 (text+ko) ====

@@ -65,7 +65,7 @@
 #include <sys/unistd.h>	
 #include <sys/sx.h>
 #include <sys/signalvar.h>
-
+#include <sys/sdt.h>
 #include <security/audit/audit.h>
 
 #include <vm/vm.h>
@@ -698,6 +698,7 @@
 	mtx_lock_spin(&sched_lock);
 	p2->p_state = PRS_NORMAL;
 
+	DTRACE_PROBE1(__proc_create, proc *, p2);
 	/*
 	 * If RFSTOPPED not requested, make child runnable and add to
 	 * run queue.