You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-06-06 - 04:12

x86 Intel Core i5-8365UE @1600 MHz, Linux 5.10.47-rt46 (Profile)

Latency plot of system in rack #8, slot #4
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack8slot4.osadl.org (updated Tue Jun 06, 2023 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18279432232196,24sleep50-21swapper/519:08:515
18279542228180,16sleep60-21swapper/619:09:016
18277942225194,19sleep10-21swapper/119:06:461
18277872224191,22sleep30-21swapper/319:06:403
18278452222187,23sleep20-21swapper/219:07:272
18277282220192,18sleep00-21swapper/019:05:480
18280132219183,22sleep70-21swapper/719:09:497
18280192216181,23sleep40-21swapper/419:09:544
20632372540,4sleep334-21ksoftirqd/323:30:013
1828263995454,0cyclictest0-21swapper/522:04:455
19781852510,0sleep70-21swapper/722:16:137
20833922500,0sleep00-21swapper/023:45:270
20100282470,0sleep30-21swapper/322:45:003
19244822460,0sleep40-21swapper/421:30:304
1828263994343,0cyclictest0-21swapper/523:15:155
1828254994040,0cyclictest0-21swapper/300:19:403
19126172380,0sleep40-21swapper/421:20:294
1828250993736,1cyclictest0-21swapper/222:04:452
182825499340,30cyclictest0-21swapper/300:10:293
1828259993333,0cyclictest0-21swapper/422:32:154
182825999330,0cyclictest0-21swapper/421:48:504
182825499330,32cyclictest1895021-21dpkg21:05:003
182825499330,32cyclictest1895021-21dpkg21:05:003
182825499320,29cyclictest0-21swapper/323:00:323
182825499320,28cyclictest0-21swapper/322:50:103
182825499320,1cyclictest1952770-21hddtemp_smartct21:55:203
1828240993232,0cyclictest0-21swapper/021:57:190
1828270993131,0cyclictest0-21swapper/722:12:537
1828254993128,3cyclictest0-21swapper/321:28:243
1828254993128,3cyclictest0-21swapper/321:21:473
182825499310,28cyclictest0-21swapper/323:42:513
182825499310,28cyclictest0-21swapper/323:36:343
182825499310,28cyclictest0-21swapper/323:18:213
182825499310,28cyclictest0-21swapper/323:07:273
182825499310,28cyclictest0-21swapper/321:15:483
182825499310,0cyclictest0-21swapper/322:18:013
182825499310,0cyclictest0-21swapper/321:47:373
1828242993131,0cyclictest1897961-21diskmemload22:56:071
1828270993030,0cyclictest0-21swapper/723:44:047
182827099300,29cyclictest0-21swapper/722:30:527
182825999300,29cyclictest2132442-21ntp_states00:30:304
182825999300,1cyclictest328-21systemd-journal22:15:004
1828254993028,2cyclictest0-21swapper/323:30:263
1828254993028,2cyclictest0-21swapper/322:23:243
1828254993028,2cyclictest0-21swapper/322:00:073
1828254993028,2cyclictest0-21swapper/321:54:133
1828254993028,2cyclictest0-21swapper/300:36:043
1828254993028,1cyclictest1926283-21runrttasks21:32:583
1828254993027,3cyclictest1897961-21diskmemload23:49:273
182825499300,30cyclictest0-21swapper/323:24:243
182825499300,29cyclictest0-21swapper/321:40:293
182825499300,29cyclictest0-21swapper/300:22:103
182825499300,28cyclictest1897961-21diskmemload23:55:473
182825499300,28cyclictest1897961-21diskmemload00:02:193
182825499300,28cyclictest0-21swapper/322:31:223
182825499300,0cyclictest0-21swapper/322:37:473
182825499300,0cyclictest0-21swapper/322:25:143
182825499300,0cyclictest0-21swapper/322:13:213
182825499300,0cyclictest0-21swapper/300:30:553
182825099300,29cyclictest65350irq/124-eno122:20:322
182825099300,29cyclictest2009986-21sh22:45:002
182825099300,29cyclictest1895002-21gpgv21:05:002
182825099300,29cyclictest1895002-21gpgv21:05:002
1828242993028,1cyclictest2125153-21latency_hist00:25:001
1828240993028,2cyclictest1219-21phc2sys21:34:240
182824099300,29cyclictest2141687-21sh00:40:000
182827099290,29cyclictest0-21swapper/723:59:307
182827099290,29cyclictest0-21swapper/723:18:397
182827099290,29cyclictest0-21swapper/722:23:177
182827099290,29cyclictest0-21swapper/721:46:307
182827099290,29cyclictest0-21swapper/721:35:017
182827099290,29cyclictest0-21swapper/721:33:077
182827099290,29cyclictest0-21swapper/721:27:287
182827099290,29cyclictest0-21swapper/700:39:347
182827099290,29cyclictest0-21swapper/700:25:447
182827099290,29cyclictest0-21swapper/700:14:417
182827099290,28cyclictest0-21swapper/722:40:187
182827099290,1cyclictest2131016-21ssh00:30:207
182827099290,1cyclictest1897961-21diskmemload23:03:127
182827099290,1cyclictest1897961-21diskmemload22:26:517
182827099290,0cyclictest0-21swapper/722:02:047
182826699290,29cyclictest1897961-21diskmemload23:32:326
182826699290,29cyclictest0-21swapper/600:06:496
182826699290,1cyclictest1897961-21diskmemload22:37:256
1828263992927,2cyclictest1897961-21diskmemload22:20:275
1828263992927,1cyclictest1-21systemd00:20:005
182826399290,28cyclictest0-21swapper/523:20:185
182826399290,28cyclictest0-21swapper/500:00:195
182826399290,1cyclictest2017560-21/usr/sbin/munin22:50:225
182826399290,1cyclictest108-21kswapd023:59:595
182826399290,1cyclictest0-21swapper/523:35:005
182826399290,1cyclictest0-21swapper/522:30:185
182825999290,28cyclictest0-21swapper/421:40:164
182825999290,28cyclictest0-21swapper/419:55:014
1828254992928,1cyclictest1897961-21diskmemload21:35:403
1828254992927,2cyclictest0-21swapper/322:05:523
1828254992927,2cyclictest0-21swapper/300:28:433
1828254992927,2cyclictest0-21swapper/300:08:423
1828254992926,3cyclictest0-21swapper/323:12:003
1828254992923,1cyclictest0-21swapper/319:30:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional