Attachment 306351 Details for Bug 447871 – make output of prio-wake easily readable

make output of prio-wake easily readable

pw.patch (text/plain), 3.45 KB, created by IBM Bug Proxy on 2008-05-22 08:48:31 UTC

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Creator: IBM Bug Proxy

Created: 2008-05-22 08:48:31 UTC

Size: 3.45 KB

patch

obsolete

>This patch re-organizes the output from prio-wake to make it more
>intuitive.
>
>Output prior to the patch:
>Worker Threads: 8
>
>00000125 us: RealtimeThread-6316160 pri 004 started
>00001281 us: RealtimeThread-6316160 pri 004 awake
>00000535 us: Master thread about to wake the workers
>00000477 us: RealtimeThread-6319632 pri 011 started
>00000800 us: RealtimeThread-6319632 pri 011 awake
>00000446 us: RealtimeThread-6319136 pri 010 started
>00000864 us: RealtimeThread-6319136 pri 010 awake
>00000366 us: RealtimeThread-6318144 pri 008 started
>00000743 us: RealtimeThread-6318144 pri 008 awake
>00000400 us: RealtimeThread-6318640 pri 009 started
>00001051 us: RealtimeThread-6318640 pri 009 awake
>00000329 us: RealtimeThread-6317648 pri 007 started
>00001162 us: RealtimeThread-6317648 pri 007 awake
>00000272 us: RealtimeThread-6317152 pri 006 started
>00001199 us: RealtimeThread-6317152 pri 006 awake
>00000168 us: RealtimeThread-6316656 pri 005 started
>00001223 us: RealtimeThread-6316656 pri 005 awake
>
>Output with the patch applied:
>Worker Threads: 8
>
>00000141 us: RealtimeThread-6316160 pri 004 started
>00000179 us: RealtimeThread-6316656 pri 005 started
>00000346 us: RealtimeThread-6317152 pri 006 started
>00000446 us: RealtimeThread-6317648 pri 007 started
>00000471 us: RealtimeThread-6318144 pri 008 started
>00000548 us: RealtimeThread-6318640 pri 009 started
>00000680 us: RealtimeThread-6319136 pri 010 started
>00000754 us: RealtimeThread-6319632 pri 011 started
>00000850 us: Master thread about to wake the workers
>00001044 us: RealtimeThread-6319632 pri 011 awake
>00001126 us: RealtimeThread-6319136 pri 010 awake
>00001213 us: RealtimeThread-6318640 pri 009 awake
>00001278 us: RealtimeThread-6318144 pri 008 awake
>00001346 us: RealtimeThread-6317648 pri 007 awake
>00001395 us: RealtimeThread-6317152 pri 006 awake
>00001453 us: RealtimeThread-6316656 pri 005 awake
>00001506 us: RealtimeThread-6316160 pri 004 awake
>
>The output being is now in now ordered in time.
>
>Signed-off-by: Ankita Garg <ankita@in.ibm.com> 
>
>Index: ltp-full-20080131/testcases/realtime/func/prio-wake/prio-wake.c
>===================================================================
>--- ltp-full-20080131.orig/testcases/realtime/func/prio-wake/prio-wake.c	2008-05-15 15:52:35.000000000 +0530
>+++ ltp-full-20080131/testcases/realtime/func/prio-wake/prio-wake.c	2008-05-15 15:53:58.000000000 +0530
>@@ -111,6 +111,7 @@
> 
> 	start = rt_gettime() - beginrun;
> 
>+	printf("%08lld us: Master thread about to wake the workers\n", start/NS_PER_US);
> 	/* start the children threads */
> 	rc = pthread_mutex_lock(&mutex);
> 	rc = pthread_cond_broadcast(&cond);
>@@ -118,7 +119,6 @@
> 
> 	while (running_threads > 0)
> 		sleep(1);
>-	printf("%08lld us: Master thread about to wake the workers\n", start/NS_PER_US);
> 	return NULL;
> }
> 
>@@ -141,12 +141,15 @@
> 	}
> 
> 	start = rt_gettime() - beginrun;
>+	printf("%08lld us: RealtimeThread-%03d pri %03d started\n", start/NS_PER_US, j, mypri);
> 
> 	rc = pthread_mutex_lock(&mutex);
> 	running_threads++;
> 	rc = pthread_cond_wait(&cond, &mutex);
> 
> 	wake = rt_gettime() - beginrun;
>+	printf("%08lld us: RealtimeThread-%03d pri %03d awake\n", wake/NS_PER_US, j, mypri);
>+
> 	rc = pthread_mutex_unlock(&mutex);
> 
> 	rc = pthread_mutex_lock(&mutex);
>@@ -157,8 +160,6 @@
> 	/* wait for all threads to quit */
> 	while (running_threads > 0)
> 		sleep(1);
>-	printf("%08lld us: RealtimeThread-%03d pri %03d started\n", start/NS_PER_US, j, mypri);
>-	printf("%08lld us: RealtimeThread-%03d pri %03d awake\n", wake/NS_PER_US, j, mypri);
> 	return NULL;
> }
>

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Attachments on bug 447871: 306350 | 306351