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2026-03-19 - 11:36
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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 Mar 19, 2026 00:46:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
292027599169167,1cyclictest3013686-21munin-run22:00:025
292027499105104,0cyclictest3064220-21ld23:30:204
2920274997555,20cyclictest3058047-21tune2fs23:20:144
2920274997555,20cyclictest3058047-21tune2fs23:20:144
2920274997437,18cyclictest876-21mta-sts-daemon21:35:144
2920274997437,18cyclictest2920269-21cyclictest22:37:204
2920274997012,39cyclictest3071112-21/usr/sbin/munin23:45:164
2920274996828,39cyclictest0-21swapper/421:16:424
2920274996729,38cyclictest0-21swapper/420:41:064
2920274996526,39cyclictest0-21swapper/420:36:164
2920274996425,39cyclictest0-21swapper/421:45:594
2920274996324,39cyclictest0-21swapper/419:12:434
2920274996324,39cyclictest0-21swapper/419:12:424
2920274995820,38cyclictest0-21swapper/421:30:144
2920274995819,39cyclictest0-21swapper/421:14:484
2920274995819,19cyclictest0-21swapper/422:00:184
2920274995818,18cyclictest3094445-21kernelversion00:25:164
2920274995718,19cyclictest0-21swapper/422:45:004
292027499570,56cyclictest0-21swapper/423:00:024
2920274995618,19cyclictest2973586-21irqstats20:45:164
2920274995618,19cyclictest2943705-21ntp_states19:50:214
2920274995618,19cyclictest1086-21runrttasks23:25:404
292027499560,56cyclictest0-21swapper/419:27:304
2920274995518,37cyclictest0-21swapper/420:14:484
292027499550,54cyclictest0-21swapper/419:41:264
2920274995419,15cyclictest0-21swapper/423:59:364
2920274995419,15cyclictest0-21swapper/420:55:244
2920274995414,40cyclictest0-21swapper/422:55:304
2920274995333,20cyclictest0-21swapper/400:20:084
2920274995319,34cyclictest0-21swapper/419:18:264
2920274995319,34cyclictest0-21swapper/419:18:264
2920274995319,15cyclictest0-21swapper/422:25:364
2920274995319,15cyclictest0-21swapper/421:41:024
2920274995318,34cyclictest0-21swapper/419:37:344
2920274995314,39cyclictest0-21swapper/423:16:104
2920274995314,39cyclictest0-21swapper/420:30:284
2920274995314,39cyclictest0-21swapper/420:21:304
2920274995314,39cyclictest0-21swapper/420:03:204
2920274995314,39cyclictest0-21swapper/400:36:164
2920274995314,39cyclictest0-21swapper/400:33:144
2920274995314,39cyclictest0-21swapper/400:14:484
2920274995314,0cyclictest3075086-21ntpq23:50:184
2920272995314,39cyclictest0-21swapper/221:40:162
2920274995233,19cyclictest0-21swapper/423:13:024
2920274995233,19cyclictest0-21swapper/423:05:074
2920274995233,19cyclictest0-21swapper/420:05:064
2920274995218,34cyclictest0-21swapper/422:21:184
2920274995218,15cyclictest0-21swapper/422:45:384
2920274995218,15cyclictest0-21swapper/421:28:104
2920274995213,39cyclictest0-21swapper/422:05:104
2920274995213,39cyclictest0-21swapper/420:15:504
2920274995213,19cyclictest0-21swapper/423:43:444
2920274995212,40cyclictest601ktimers/422:11:024
2920274995133,18cyclictest0-21swapper/419:59:504
2920274995132,19cyclictest0-21swapper/421:04:394
2920274995112,39cyclictest0-21swapper/419:33:004
2920274995112,39cyclictest0-21swapper/400:17:334
2920275995012,19cyclictest0-21swapper/521:20:175
2920275995012,19cyclictest0-21swapper/520:45:165
2920274995032,18cyclictest0-21swapper/422:30:594
2920274995032,18cyclictest0-21swapper/419:24:524
2920274995031,19cyclictest0-21swapper/423:39:084
2920274995031,19cyclictest0-21swapper/423:39:084
2920274995031,19cyclictest0-21swapper/422:53:224
2920274995011,39cyclictest0-21swapper/421:53:324
2920274995010,39cyclictest0-21swapper/422:15:124
2920275994930,19cyclictest0-21swapper/522:50:155
2920274994931,18cyclictest0-21swapper/421:24:084
2920274994930,19cyclictest0-21swapper/421:58:384
2920274994930,19cyclictest0-21swapper/421:05:064
2920274994910,39cyclictest0-21swapper/420:25:374
2920271994911,19cyclictest0-21swapper/123:15:151
292027799489,19cyclictest0-21swapper/719:35:157
292027499489,39cyclictest0-21swapper/419:49:124
2920274994829,19cyclictest0-21swapper/420:50:064
2920274994810,19cyclictest0-21swapper/400:05:144
2920274994728,19cyclictest0-21swapper/400:02:244
292027299457,19cyclictest0-21swapper/219:10:152
292027299457,19cyclictest0-21swapper/219:10:142
292027299424,19cyclictest0-21swapper/223:15:142
292027099424,19cyclictest0-21swapper/023:35:170
292027099424,19cyclictest0-21swapper/023:35:170
292027799391,19cyclictest0-21swapper/719:25:167
292027699380,19cyclictest0-21swapper/623:40:166
2920272993814,19cyclictest0-21swapper/220:25:152
292027099380,19cyclictest0-21swapper/021:05:160
292027799370,17cyclictest0-21swapper/700:20:157
292027699370,18cyclictest0-21swapper/621:25:156
292027199370,17cyclictest0-21swapper/120:05:151
292027099370,18cyclictest0-21swapper/020:25:150
292027799360,35cyclictest0-21swapper/721:00:157
292027199360,17cyclictest0-21swapper/120:35:171
292027799350,15cyclictest0-21swapper/722:10:157
292027699350,35cyclictest0-21swapper/623:30:156
292027699350,35cyclictest0-21swapper/623:20:166
292027699350,35cyclictest0-21swapper/623:20:156
292027599350,35cyclictest0-21swapper/519:30:155
292027399350,35cyclictest0-21swapper/321:40:153
292027399350,35cyclictest0-21swapper/300:15:143
2920271993516,19cyclictest0-21swapper/122:50:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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