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2026-06-08 - 07:20
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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 rack5slot2.osadl.org (updated Mon Jun 08, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
193902205190,11sleep10-21swapper/119:08:321
172782190174,12sleep30-21swapper/319:05:053
172852189173,12sleep00-21swapper/019:05:100
194682154136,13sleep20-21swapper/219:09:332
240572480,0sleep20-21swapper/222:32:542
69262460,0sleep00-21swapper/023:12:030
295272460,0sleep20-21swapper/223:23:262
236142440,0sleep10-21swapper/122:16:361
309152430,0sleep10-21swapper/100:11:211
199322430,0sleep10-21swapper/121:11:421
101632430,0sleep10-21swapper/122:10:151
3141290,0sleep00-21swapper/021:50:320
196859970,6cyclictest0-21swapper/321:40:123
196819970,6cyclictest17827-21/usr/sbin/munin20:10:112
196749972,5cyclictest23547-21kworker/0:223:56:420
196749972,5cyclictest23547-21kworker/0:222:46:540
196749972,5cyclictest23547-21kworker/0:222:27:100
196749972,5cyclictest23547-21kworker/0:222:20:040
196749972,5cyclictest23547-21kworker/0:221:30:170
196749972,5cyclictest23547-21kworker/0:221:18:430
196749972,5cyclictest23547-21kworker/0:219:25:140
196859960,6cyclictest13066-21apt-get00:35:123
196749963,1cyclictest27219-21ssh00:10:120
196749962,4cyclictest23547-21kworker/0:223:40:160
196749962,4cyclictest23547-21kworker/0:222:38:440
196749962,4cyclictest23547-21kworker/0:222:13:060
196749962,4cyclictest23547-21kworker/0:222:05:020
196749962,4cyclictest23547-21kworker/0:221:58:460
196749962,4cyclictest23547-21kworker/0:200:32:400
196749961,5cyclictest23547-21kworker/0:223:30:200
196749961,5cyclictest23547-21kworker/0:223:20:200
196749961,5cyclictest23547-21kworker/0:223:07:460
196749961,5cyclictest23547-21kworker/0:222:32:430
196749961,5cyclictest23547-21kworker/0:221:26:570
196749961,5cyclictest23547-21kworker/0:221:20:130
196749961,5cyclictest23547-21kworker/0:221:10:570
196749961,5cyclictest23547-21kworker/0:219:40:200
196749961,5cyclictest23547-21kworker/0:219:30:140
196749961,5cyclictest23547-21kworker/0:200:21:460
196749960,6cyclictest0-21swapper/023:39:370
196749960,6cyclictest0-21swapper/023:39:370
196859955,0cyclictest0-21swapper/300:32:083
196859952,3cyclictest9061-21ssh22:25:193
196819950,5cyclictest0-21swapper/222:50:172
196819950,5cyclictest0-21swapper/222:40:402
196819950,4cyclictest2952-21apt-get20:45:112
196759951,2cyclictest0-21swapper/121:25:121
196749952,3cyclictest23547-21kworker/0:223:50:120
196749952,3cyclictest23547-21kworker/0:223:45:050
196749952,3cyclictest23547-21kworker/0:221:35:430
196749952,3cyclictest23547-21kworker/0:220:55:160
196749952,3cyclictest23547-21kworker/0:220:25:160
196749951,4cyclictest23547-21kworker/0:223:27:080
196749951,4cyclictest23547-21kworker/0:223:16:060
196749951,4cyclictest23547-21kworker/0:223:04:240
196749951,4cyclictest23547-21kworker/0:222:54:160
196749951,4cyclictest23547-21kworker/0:222:16:020
196749951,4cyclictest23547-21kworker/0:221:45:110
196749951,4cyclictest23547-21kworker/0:220:00:020
196749951,4cyclictest23547-21kworker/0:219:57:380
196749951,4cyclictest23547-21kworker/0:219:20:110
196749951,4cyclictest23547-21kworker/0:200:36:500
196749951,4cyclictest23547-21kworker/0:200:25:160
196749951,4cyclictest23547-21kworker/0:200:06:100
196749951,4cyclictest23547-21kworker/0:200:00:080
196749950,5cyclictest23547-21kworker/0:222:57:060
196749950,5cyclictest23547-21kworker/0:222:40:140
196749950,5cyclictest23547-21kworker/0:221:05:130
196749950,5cyclictest0-21swapper/021:40:360
196749950,5cyclictest0-21swapper/019:50:170
196749950,4cyclictest0-21swapper/000:15:120
6928240,0sleep10-21swapper/122:08:551
23532240,0sleep30-21swapper/322:32:353
196859944,0cyclictest19859-21kworker/3:020:15:153
196859943,1cyclictest19859-21kworker/3:020:37:393
196859942,1cyclictest14291-21wget23:00:123
196859941,2cyclictest0-21swapper/323:25:103
196859941,2cyclictest0-21swapper/322:15:123
196859941,2cyclictest0-21swapper/321:05:113
196859940,4cyclictest3132-21perl21:35:143
196859940,4cyclictest20254-21ntp_states23:50:163
196859940,4cyclictest0-21swapper/323:55:123
196859940,4cyclictest0-21swapper/323:46:333
196859940,4cyclictest0-21swapper/323:30:113
196859940,4cyclictest0-21swapper/323:22:063
196859940,4cyclictest0-21swapper/323:15:103
196859940,4cyclictest0-21swapper/322:37:083
196859940,4cyclictest0-21swapper/322:00:123
196859940,4cyclictest0-21swapper/321:55:243
196859940,4cyclictest0-21swapper/321:50:123
196859940,4cyclictest0-21swapper/321:46:363
196859940,4cyclictest0-21swapper/321:30:113
196859940,4cyclictest0-21swapper/321:27:323
196859940,4cyclictest0-21swapper/321:21:543
196859940,4cyclictest0-21swapper/321:10:123
196859940,4cyclictest0-21swapper/319:45:113
196859940,4cyclictest0-21swapper/319:30:123
196859940,4cyclictest0-21swapper/319:25:123
196859940,4cyclictest0-21swapper/319:20:183
196859940,4cyclictest0-21swapper/300:24:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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