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2026-05-10 - 06:33
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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 Sun May 10, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3323469998345,19cyclictest3417450-21kworker/u32:3+events_unbound22:25:183
3323466996810,19cyclictest0-21swapper/022:10:160
3323466995517,19cyclictest0-21swapper/022:40:150
3323470995433,2cyclictest3366600-21ntp_offset20:25:204
332347299489,39cyclictest0-21swapper/600:15:166
332347099485,39cyclictest236199-21snmpd20:41:284
332347099476,40cyclictest0-21swapper/420:00:184
3323470994726,20cyclictest3336386-21timerandwakeup19:30:224
332347399466,39cyclictest0-21swapper/721:10:177
332347099466,39cyclictest0-21swapper/422:20:104
332347099466,39cyclictest0-21swapper/422:00:334
332347099466,39cyclictest0-21swapper/420:35:044
332347099466,39cyclictest0-21swapper/419:37:124
332347099466,39cyclictest0-21swapper/400:05:424
3323470994626,19cyclictest601ktimers/420:06:504
332347399457,19cyclictest0-21swapper/721:05:157
332347099456,39cyclictest3454981-21ntpq23:05:204
332347099456,39cyclictest0-21swapper/423:48:264
332347099456,39cyclictest0-21swapper/421:26:464
332347099456,39cyclictest0-21swapper/421:24:144
332347099456,39cyclictest0-21swapper/420:13:464
332347099456,19cyclictest0-21swapper/422:43:264
332347099456,19cyclictest0-21swapper/422:39:104
332347099456,19cyclictest0-21swapper/422:39:094
332347099456,19cyclictest0-21swapper/420:21:374
332347099455,39cyclictest3324854-21meminfo19:10:234
332347099455,39cyclictest0-21swapper/420:48:424
332347099455,39cyclictest0-21swapper/420:31:024
332347099455,39cyclictest0-21swapper/400:36:134
332347099455,20cyclictest0-21swapper/422:34:084
332347099455,19cyclictest0-21swapper/420:15:144
3323470994525,19cyclictest3464579-21cat23:25:024
332347099445,39cyclictest0-21swapper/423:56:424
332347099445,39cyclictest0-21swapper/419:59:184
332347099445,39cyclictest0-21swapper/419:44:024
332347099445,39cyclictest0-21swapper/400:27:374
332347099445,19cyclictest0-21swapper/419:51:264
332347099444,39cyclictest0-21swapper/421:47:384
332347099444,39cyclictest0-21swapper/421:41:344
332347099444,39cyclictest0-21swapper/421:15:374
332347099444,39cyclictest0-21swapper/421:11:064
332347099444,39cyclictest0-21swapper/419:20:104
332347099444,22cyclictest0-21swapper/423:00:224
3323470994424,19cyclictest781-21mta-sts-daemon22:50:184
3323466994425,19cyclictest0-21swapper/021:25:140
332347399433,39cyclictest0-21swapper/723:30:177
332347099434,39cyclictest0-21swapper/423:16:454
332347099434,39cyclictest0-21swapper/421:55:204
332347099434,39cyclictest0-21swapper/421:53:144
332347099434,39cyclictest0-21swapper/419:47:174
332347099433,39cyclictest0-21swapper/422:14:184
332347099433,39cyclictest0-21swapper/421:36:384
332347099433,39cyclictest0-21swapper/419:19:024
332347099424,20cyclictest1086-21runrttasks20:57:144
332347099423,39cyclictest0-21swapper/422:19:384
332347099423,19cyclictest0-21swapper/422:45:224
3323470994224,18cyclictest3323465-21cyclictest23:26:174
332347099422,39cyclictest236199-21snmpd23:35:324
332347399412,39cyclictest0-21swapper/723:25:167
332347099413,19cyclictest0-21swapper/400:10:224
332347099412,21cyclictest0-21swapper/423:45:024
332347099412,19cyclictest0-21swapper/423:12:144
332347399402,19cyclictest0-21swapper/721:40:187
332347099401,39cyclictest0-21swapper/421:08:454
332347099400,39cyclictest0-21swapper/421:30:144
3323466994039,1cyclictest3372742-21kworker/0:0+events20:58:520
3323466994039,1cyclictest3372742-21kworker/0:0+events20:47:360
3323466994039,1cyclictest3320286-21kworker/0:2+events19:41:320
3323466994039,1cyclictest3320286-21kworker/0:2+events19:24:120
3323466994038,2cyclictest3475063-21kworker/0:1+events00:30:480
332346699401,39cyclictest0-21swapper/023:15:160
3323470993920,19cyclictest601ktimers/423:52:004
332347099390,19cyclictest0-21swapper/422:27:364
332347099390,19cyclictest0-21swapper/421:05:024
332347099390,19cyclictest0-21swapper/400:20:024
332346999390,39cyclictest0-21swapper/320:05:153
332347399380,36cyclictest0-21swapper/720:45:177
332347399380,19cyclictest0-21swapper/723:45:157
332347399380,18cyclictest0-21swapper/719:50:167
3323470993819,16cyclictest0-21swapper/422:55:164
332347099380,19cyclictest0-21swapper/400:30:154
3323469993819,19cyclictest3401062-21kworker/u32:4+events_unbound23:31:223
332346899380,19cyclictest0-21swapper/220:05:142
3323466993836,2cyclictest3372742-21kworker/0:0+events21:10:180
332346699380,19cyclictest0-21swapper/021:00:160
3323470993719,18cyclictest0-21swapper/422:05:384
3323469993717,19cyclictest501rcuc/321:55:153
3323468993718,19cyclictest0-21swapper/220:20:152
332347399360,16cyclictest0-21swapper/719:40:167
3323470993619,17cyclictest0-21swapper/400:23:544
3323470993614,19cyclictest0-21swapper/423:34:324
3323470993613,20cyclictest0-21swapper/420:52:444
332347099360,35cyclictest0-21swapper/400:02:544
332346899360,17cyclictest0-21swapper/223:10:142
332347399350,15cyclictest0-21swapper/722:05:167
332347099350,15cyclictest0-21swapper/419:25:104
3323469993516,19cyclictest3389754-21kworker/u32:0+events_unbound21:25:133
332346899350,35cyclictest0-21swapper/221:30:172
332346899350,16cyclictest0-21swapper/219:20:162
332346899350,15cyclictest0-21swapper/221:50:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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