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From: John Baldwin <jhb@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Subject: PERFORCE change 63475 for review
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http://perforce.freebsd.org/chv.cgi?CH=63475

Change 63475 by jhb@jhb_slimer on 2004/10/21 16:02:43

	Revert the taskqueue profiling stuff.

Affected files ...

.. //depot/projects/smpng/sys/kern/subr_taskqueue.c#23 edit
.. //depot/projects/smpng/sys/sys/_task.h#5 edit

Differences ...

==== //depot/projects/smpng/sys/kern/subr_taskqueue.c#23 (text+ko) ====

@@ -36,16 +36,9 @@
 #include <sys/lock.h>
 #include <sys/malloc.h>
 #include <sys/mutex.h>
-#include <sys/sysctl.h>
 #include <sys/taskqueue.h>
-#include <sys/time.h>
 #include <sys/unistd.h>
 
-int tq_in;
-SYSCTL_INT(_kern, OID_AUTO, tq_in, CTLFLAG_RD, &tq_in, 0, "");
-int tq_out;
-SYSCTL_INT(_kern, OID_AUTO, tq_out, CTLFLAG_RD, &tq_out, 0, "");
-
 static MALLOC_DEFINE(M_TASKQUEUE, "taskqueue", "Task Queues");
 static void	*taskqueue_giant_ih;
 static void	*taskqueue_ih;
@@ -147,9 +140,6 @@
 		return 0;
 	}
 
-	getnanotime(&task->ta_queuetime);
-	tq_in++;
-
 	/*
 	 * Optimise the case when all tasks have the same priority.
 	 */
@@ -182,7 +172,6 @@
 taskqueue_run(struct taskqueue *queue)
 {
 	struct task *task;
-	struct timespec tv;
 	int owned, pending;
 
 	owned = mtx_owned(&queue->tq_mutex);
@@ -198,15 +187,7 @@
 		pending = task->ta_pending;
 		task->ta_pending = 0;
 		task->ta_flags |= TAF_PENDING;
- 		tq_out++;
- 		getnanotime(&tv);
- 		timespecsub(&tv, &task->ta_queuetime);
 		mtx_unlock(&queue->tq_mutex);
- 		if (tv.tv_nsec >= 0500000000) {
- 			printf("taskqueue_run: warning, queue time of %d.%09ld "
- 			    "for context %p\n", tv.tv_sec, tv.tv_nsec,
- 			    task->ta_func);
- 		}
 
 		task->ta_func(task->ta_context, pending);
 

==== //depot/projects/smpng/sys/sys/_task.h#5 (text+ko) ====

@@ -46,7 +46,6 @@
 	task_fn_t *ta_func;		/* task handler */
 	void	*ta_context;		/* argument for handler */
 	int	ta_flags;		/* Flags */
- 	struct timespec ta_queuetime;	/* time enqueued */
 };
 
 #define TAF_PENDING	0x1		/* Task is being run now */