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2025-11-23 - 11:29
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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 Nov 23, 2025 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
351490999867,61cyclictest0-21swapper/420:02:434
3514909997416,39cyclictest3536634-21sed19:45:194
351490999718,60cyclictest3579678-21ntpq21:00:214
3514909997032,18cyclictest0-21swapper/423:17:434
3514909997012,39cyclictest3561478-21df_inode20:30:154
3514909997012,39cyclictest3561478-21df_inode20:30:154
3514909996930,39cyclictest0-21swapper/400:15:264
3514909996929,0cyclictest0-21swapper/400:10:174
351490999689,20cyclictest3700648-21/usr/sbin/munin00:35:174
3514909996829,19cyclictest0-21swapper/421:25:314
3514909996728,39cyclictest0-21swapper/421:57:514
3514909996726,40cyclictest0-21swapper/400:32:554
351490999667,40cyclictest3548401-21wc20:05:254
3514909996525,40cyclictest0-21swapper/420:23:134
3514909996425,19cyclictest0-21swapper/422:29:114
3514909996425,19cyclictest0-21swapper/421:32:394
3514909996324,19cyclictest0-21swapper/420:54:114
3514909996324,19cyclictest0-21swapper/420:54:114
3514909996223,19cyclictest36087062sleep421:54:154
3514909996021,19cyclictest0-21swapper/419:42:294
3514909996020,19cyclictest0-21swapper/422:44:254
3514909996019,40cyclictest0-21swapper/423:51:534
3514909996019,40cyclictest0-21swapper/423:32:174
3514909996019,39cyclictest601ktimers/422:13:414
3514909995922,37cyclictest0-21swapper/421:17:354
3514909995919,40cyclictest1121039-21munin-node23:40:054
3514909995919,19cyclictest0-21swapper/422:57:094
3514909995919,19cyclictest0-21swapper/422:37:094
3514909995919,19cyclictest0-21swapper/422:07:574
351491199580,39cyclictest79-21ksoftirqd/619:20:166
3514909995819,19cyclictest0-21swapper/422:23:214
3514909995819,0cyclictest0-21swapper/423:48:534
3514909995819,0cyclictest0-21swapper/422:02:054
3514909995737,19cyclictest875-21mta-sts-daemon23:25:094
3514909995719,38cyclictest0-21swapper/419:29:134
3514909995719,18cyclictest0-21swapper/419:16:014
3514909995718,39cyclictest0-21swapper/420:47:374
3514909995717,19cyclictest3514904-21cyclictest19:35:494
3514907995713,19cyclictest0-21swapper/222:50:182
3514909995619,37cyclictest0-21swapper/423:59:174
3514909995619,37cyclictest0-21swapper/420:38:094
3514909995619,37cyclictest0-21swapper/420:11:534
3514909995617,39cyclictest3641742-21ntpq22:50:234
3514909995617,0cyclictest0-21swapper/419:55:374
3514909995517,38cyclictest3606089-21munin-run21:50:014
351490999550,55cyclictest0-21swapper/421:20:374
351490999550,15cyclictest0-21swapper/423:08:534
3514909995418,17cyclictest0-21swapper/422:48:414
3514909995414,39cyclictest0-21swapper/420:40:474
3514909995414,19cyclictest0-21swapper/423:22:254
3514909995314,39cyclictest0-21swapper/420:15:274
3514909995314,39cyclictest0-21swapper/419:31:234
3514909995314,0cyclictest0-21swapper/421:39:414
3514909995313,19cyclictest0-21swapper/422:30:094
3514909995312,20cyclictest0-21swapper/421:11:294
3514909995312,20cyclictest0-21swapper/420:28:014
3514909995312,20cyclictest0-21swapper/400:27:494
3514908995315,19cyclictest0-21swapper/321:50:173
3514909995213,39cyclictest0-21swapper/419:50:354
3514909995213,19cyclictest0-21swapper/423:35:114
3514909995212,20cyclictest0-21swapper/423:10:374
3514909995212,20cyclictest0-21swapper/421:42:094
3514909995212,20cyclictest0-21swapper/419:21:334
3514909995212,20cyclictest0-21swapper/400:24:134
3514909995212,0cyclictest0-21swapper/420:55:494
3514909995212,0cyclictest0-21swapper/419:13:134
3514909995211,20cyclictest0-21swapper/400:07:374
3514907995233,19cyclictest0-21swapper/220:50:172
3514907995233,19cyclictest0-21swapper/220:50:172
3514911995132,19cyclictest0-21swapper/620:00:186
3514911995113,19cyclictest0-21swapper/622:20:176
3514909995131,20cyclictest0-21swapper/400:01:294
3514909995112,39cyclictest0-21swapper/423:03:554
3514909995112,19cyclictest0-21swapper/422:17:054
3514909995111,40cyclictest0-21swapper/421:06:164
3514908995112,39cyclictest0-21swapper/319:45:163
3514912995032,18cyclictest0-21swapper/723:20:167
351490799485,18cyclictest0-21swapper/200:35:172
3514905994810,19cyclictest0-21swapper/021:25:180
351491199479,19cyclictest0-21swapper/619:25:186
3514910994728,19cyclictest0-21swapper/523:15:165
351490799464,18cyclictest0-21swapper/200:25:172
351490599467,19cyclictest0-21swapper/000:30:160
3514912994527,18cyclictest871ktimers/720:40:177
351490799457,19cyclictest0-21swapper/220:15:192
351491299446,19cyclictest0-21swapper/700:15:167
351491199446,19cyclictest0-21swapper/623:00:156
351491099445,19cyclictest0-21swapper/521:20:175
351490899446,19cyclictest0-21swapper/300:25:173
351490799446,19cyclictest0-21swapper/219:30:182
351490799445,19cyclictest0-21swapper/223:25:182
351491299402,19cyclictest0-21swapper/720:30:177
351491299402,19cyclictest0-21swapper/720:30:177
351491099401,19cyclictest0-21swapper/520:45:165
351490899402,19cyclictest0-21swapper/300:10:163
351490799400,39cyclictest0-21swapper/222:00:162
351491199390,39cyclictest0-21swapper/623:35:146
351491199390,39cyclictest0-21swapper/621:25:186
351490799391,19cyclictest0-21swapper/222:55:172
351491199380,38cyclictest0-21swapper/621:30:156
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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