You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2022-05-26 - 22:15

x86 Intel Core i3-2100T @2500 MHz, Linux 4.14.28-rt23 (Profile)

Latency plot of system in rack #0, slot #0
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 --smi -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack0slot0.osadl.org (updated Thu May 26, 2022 12:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2896921430,0sleep10-21swapper/110:08:261
2114521420,4sleep22548399cyclictest10:13:162
2114521420,4sleep22548399cyclictest10:13:162
641521300,0sleep46416-21sshd10:23:044
641521300,0sleep46416-21sshd10:23:044
3242921120,0sleep10-21swapper/111:12:141
49722840,0sleep60-21swapper/609:25:196
39332820,1sleep10-21swapper/111:04:201
300672820,1sleep10-21swapper/110:14:031
300672820,1sleep10-21swapper/110:14:031
257512810,1sleep50-21swapper/512:36:585
22392810,1sleep022578-21kworker/0:111:17:580
177152790,0sleep30-21swapper/309:42:473
6052780,0sleep10-21swapper/112:32:051
324522770,0sleep70-21swapper/709:27:367
291592770,0sleep70-21swapper/711:09:157
185542770,0sleep40-21swapper/410:54:304
89122760,2sleep51013-21runrttasks09:42:015
251242760,0sleep50-21swapper/511:55:385
217142760,1sleep121711-21sshd09:12:561
176362760,1sleep60-21swapper/611:13:476
30382750,1sleep51-21systemd11:34:385
30382750,1sleep51-21systemd11:34:385
189152750,0sleep30-21swapper/310:18:383
189152750,0sleep30-21swapper/310:18:383
180212750,0sleep40-21swapper/411:22:034
132142750,0sleep00-21swapper/011:57:250
281042740,0sleep70-21swapper/707:15:007
214622730,0sleep20-21swapper/212:28:222
12382730,0sleep60-21swapper/609:44:106
33092720,0sleep30-21swapper/310:03:313
33092720,0sleep30-21swapper/310:03:313
261892720,0sleep40-21swapper/410:41:154
16702720,0sleep60-21swapper/610:58:326
5672710,0sleep20-21swapper/210:25:182
212412710,0sleep10-21swapper/111:52:381
83352700,0sleep40-21swapper/411:26:444
83352700,0sleep40-21swapper/411:26:444
322612700,0sleep20-21swapper/211:31:312
322612700,0sleep20-21swapper/211:31:312
282892700,0sleep60-21swapper/611:03:376
249532700,0sleep50-21swapper/510:10:465
249532700,0sleep50-21swapper/510:10:465
23882700,0sleep70-21swapper/711:31:447
23882700,0sleep70-21swapper/711:31:447
6232680,3sleep32548899cyclictest09:19:313
267332680,0sleep60-21swapper/610:10:556
267332680,0sleep60-21swapper/610:10:556
119322660,0sleep40-21swapper/411:07:444
277172650,4sleep342-21ksoftirqd/312:04:113
297822640,2sleep32548899cyclictest11:12:003
2514226342,6sleep40-21swapper/407:08:504
21672620,0sleep60-21swapper/611:31:446
21672620,0sleep60-21swapper/611:31:436
93872590,0sleep70-21swapper/711:37:537
93872590,0sleep70-21swapper/711:37:537
20842590,0sleep30-21swapper/309:49:443
20842590,0sleep30-21swapper/309:49:443
2512925848,6sleep00-21swapper/007:08:370
49442570,0sleep50-21swapper/512:15:505
2509325747,6sleep10-21swapper/107:08:071
195112570,0sleep00-21swapper/012:28:110
15172510,0sleep60-21swapper/610:30:516
2520825039,7sleep50-21swapper/507:09:385
2507224636,6sleep70-21swapper/707:07:567
327642440,1sleep10-21swapper/110:25:171
2509424130,7sleep20-21swapper/207:08:082
2503924131,6sleep30-21swapper/307:07:283
2321124130,7sleep60-21swapper/607:05:076
325892260,0sleep40-21swapper/411:56:174
2550499262,22cyclictest0-21swapper/508:26:025
2547199262,18cyclictest0-21swapper/008:02:310
2547199260,20cyclictest0-21swapper/009:06:300
297142250,1sleep30-21swapper/309:54:493
2550499253,21cyclictest0-21swapper/508:52:235
2547199251,18cyclictest0-21swapper/007:19:440
2550499241,21cyclictest0-21swapper/509:00:415
2548399244,1cyclictest0-21swapper/210:30:502
2548399242,21cyclictest0-21swapper/212:12:392
63042230,1sleep30-21swapper/312:27:023
2550499233,18cyclictest0-21swapper/508:08:585
2549399233,18cyclictest0-21swapper/408:37:024
2549399233,18cyclictest0-21swapper/408:07:074
25471992310,1cyclictest683-21systemd-logind10:05:470
2547199230,17cyclictest0-21swapper/008:11:090
312652220,0sleep50-21swapper/510:55:275
295992220,0sleep40-21swapper/410:19:354
295992220,0sleep40-21swapper/410:19:354
26792220,1sleep4491rcuc/412:35:044
262912220,0sleep40-21swapper/411:42:084
262912220,0sleep40-21swapper/411:42:074
2551099221,1cyclictest683-21systemd-logind09:34:196
2550499223,4cyclictest0-21swapper/510:52:485
2550499222,1cyclictest0-21swapper/510:08:325
2550499220,1cyclictest0-21swapper/512:00:205
2549399223,18cyclictest0-21swapper/408:01:464
2549399222,18cyclictest0-21swapper/407:19:044
2548399222,5cyclictest0-21swapper/208:33:472
2547699222,19cyclictest0-21swapper/107:27:271
2547699222,19cyclictest0-21swapper/107:27:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional