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2026-06-18 - 07:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackfslot7.osadl.org (updated Thu Jun 18, 2026 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1341830997637,39cyclictest1436349-21irqstats22:00:160
1341830997617,39cyclictest1412959-21kworker/0:0+ice21:35:550
1341830997233,19cyclictest0-21swapper/000:36:240
1341830997132,20cyclictest0-21swapper/023:53:480
1341830997031,19cyclictest0-21swapper/000:10:080
1341830996932,37cyclictest0-21swapper/023:21:350
1341830996930,19cyclictest0-21swapper/023:58:030
1341830996930,19cyclictest0-21swapper/020:46:520
1341830996930,19cyclictest0-21swapper/019:32:280
1341830996929,40cyclictest0-21swapper/021:43:350
1341830996829,19cyclictest0-21swapper/023:06:320
1341830996829,19cyclictest0-21swapper/019:35:090
1341830996829,19cyclictest0-21swapper/019:12:570
1341830996828,21cyclictest0-21swapper/021:07:120
1341830996729,18cyclictest0-21swapper/023:27:190
1341830996728,19cyclictest0-21swapper/022:37:390
1341830996728,19cyclictest0-21swapper/021:33:190
1341830996728,19cyclictest0-21swapper/021:03:090
1341830996527,19cyclictest1412959-21kworker/0:0+ice00:19:250
1341830995837,20cyclictest1360815-21kworker/0:0+ice19:50:180
1341830995718,19cyclictest1360815-21kworker/0:0+ice20:41:310
134183099570,38cyclictest1368179-21ntpq19:55:210
1341830995618,19cyclictest0-21swapper/023:43:090
1341830995537,18cyclictest0-21swapper/023:36:250
1341830995517,19cyclictest1086-21runrttasks00:21:070
1341830995516,19cyclictest1360815-21kworker/0:0+ice20:31:550
1341830995416,19cyclictest0-21swapper/020:51:070
1341837995314,19cyclictest0-21swapper/723:00:157
1341832995335,18cyclictest0-21swapper/222:45:162
1341830995335,18cyclictest0-21swapper/022:30:170
1341830995335,18cyclictest0-21swapper/020:20:190
1341830995315,19cyclictest1412959-21kworker/0:0+ice22:07:530
1341830995315,19cyclictest1412959-21kworker/0:0+ice00:32:570
1341837995212,39cyclictest0-21swapper/720:55:157
1341837995013,18cyclictest0-21swapper/720:45:157
1341832995012,19cyclictest411rcuc/200:35:132
1341830995030,19cyclictest0-21swapper/020:09:480
1341830995030,0cyclictest0-21swapper/019:43:080
1341837994911,19cyclictest0-21swapper/700:10:157
1341830994930,19cyclictest0-21swapper/022:54:330
1341830994829,19cyclictest0-21swapper/022:46:530
1341830994829,19cyclictest0-21swapper/021:49:490
1341830994829,19cyclictest0-21swapper/019:20:580
1341830994829,19cyclictest0-21swapper/000:27:260
1341830994828,19cyclictest0-21swapper/020:01:360
1341830994728,19cyclictest0-21swapper/023:48:250
1341830994728,19cyclictest0-21swapper/022:41:290
1341830994728,19cyclictest0-21swapper/022:25:370
1341830994728,19cyclictest0-21swapper/022:16:290
1341830994728,19cyclictest0-21swapper/021:55:370
1341830994728,19cyclictest0-21swapper/020:55:260
1341830994728,19cyclictest0-21swapper/020:27:540
1341830994728,19cyclictest0-21swapper/020:19:100
1341830994728,19cyclictest0-21swapper/020:11:260
1341830994728,19cyclictest0-21swapper/019:17:220
1341830994728,19cyclictest0-21swapper/000:01:020
1341830994728,0cyclictest0-21swapper/022:11:340
134183799466,39cyclictest0-21swapper/719:55:177
1341830994628,18cyclictest0-21swapper/020:35:500
1341830994627,19cyclictest0-21swapper/023:10:050
1341830994527,18cyclictest0-21swapper/022:56:300
1341830994526,19cyclictest0-21swapper/021:50:370
134183799434,19cyclictest0-21swapper/722:35:157
1341830994223,19cyclictest0-21swapper/023:30:130
134183799413,19cyclictest0-21swapper/719:30:157
1341830994022,18cyclictest0-21swapper/021:22:460
1341830994022,18cyclictest0-21swapper/021:22:460
1341830994022,18cyclictest0-21swapper/021:10:430
1341830994018,19cyclictest874-21mta-sts-daemon21:28:360
1341830994017,19cyclictest1400602-21kworker/0:2+ice21:18:280
1341830994017,19cyclictest1400602-21kworker/0:2+ice21:18:280
134183099400,21cyclictest1470161-21ld23:00:170
134183399390,38cyclictest0-21swapper/321:35:163
1341832993920,19cyclictest0-21swapper/219:50:172
134183099390,39cyclictest1351535-21needreboot19:25:190
134183799380,19cyclictest0-21swapper/721:55:157
1341830993820,0cyclictest0-21swapper/023:19:220
1341832993719,18cyclictest0-21swapper/219:40:172
1341830993719,18cyclictest0-21swapper/022:20:420
134183099370,18cyclictest1505944-21/usr/sbin/munin00:05:230
134183799360,35cyclictest0-21swapper/720:10:157
134183799350,35cyclictest0-21swapper/723:30:147
134183399350,35cyclictest0-21swapper/300:00:173
134183399350,15cyclictest0-21swapper/321:55:153
134183399350,15cyclictest0-21swapper/321:10:163
134183399350,15cyclictest0-21swapper/320:40:173
134183099350,35cyclictest0-21swapper/019:46:030
1341837993415,19cyclictest0-21swapper/720:15:157
134183799340,34cyclictest0-21swapper/700:00:177
1341836993414,19cyclictest0-21swapper/623:15:146
134183699340,15cyclictest0-21swapper/621:30:166
134183699340,15cyclictest0-21swapper/619:35:176
1341837993314,19cyclictest0-21swapper/723:45:147
1341837993314,19cyclictest0-21swapper/723:40:147
1341837993314,19cyclictest0-21swapper/722:40:177
1341837993314,19cyclictest0-21swapper/721:20:157
1341837993314,19cyclictest0-21swapper/721:20:147
1341836993315,18cyclictest0-21swapper/620:25:156
1341836993314,19cyclictest0-21swapper/622:50:156
1341836993314,19cyclictest0-21swapper/621:50:146
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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