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2024-09-01 - 02:15
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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 Sat Aug 31, 2024 12:46:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2306334997032,19cyclictest24150irq/55-ahci[0000:00:07.0]11:10:241
2306334997032,19cyclictest24150irq/55-ahci[0000:00:07.0]11:10:241
2306338996910,19cyclictest191rcu_preempt08:40:165
2306337996950,19cyclictest59-21ksoftirqd/408:50:234
2306333996911,19cyclictest0-21swapper/008:00:180
230633499688,59cyclictest0-21swapper/112:18:571
2306334996830,19cyclictest2310832-21ntp_states07:15:241
2306340996426,20cyclictest2472049-21kworker/u16:4+flush-8:012:30:247
2306337996243,19cyclictest2431005-21kernelversion10:50:164
2306335995939,1cyclictest401ktimers/208:05:162
230634099573,54cyclictest2432402-21kworker/u16:0+events_unbound11:26:557
2306334995718,20cyclictest2373785-21munin-run09:10:021
2306334995619,19cyclictest2313866-21swap07:20:221
230633799550,16cyclictest0-21swapper/407:20:164
2306340995315,19cyclictest2436978-21ntp_states11:00:197
230634099530,14cyclictest0-21swapper/710:33:027
2306338995315,19cyclictest0-21swapper/509:40:165
2306334995334,19cyclictest24150irq/55-ahci[0000:00:07.0]10:30:231
2306338995214,19cyclictest0-21swapper/512:00:155
2306338995214,19cyclictest0-21swapper/507:15:205
2306334995212,39cyclictest0-21swapper/108:40:181
2306333995214,19cyclictest0-21swapper/007:45:170
2306340995132,19cyclictest0-21swapper/711:15:147
2306340995132,19cyclictest0-21swapper/711:15:147
2306338995113,19cyclictest0-21swapper/511:05:165
2306338995113,19cyclictest0-21swapper/510:10:165
2306338995113,19cyclictest0-21swapper/508:55:145
2306337995113,19cyclictest0-21swapper/411:25:154
2306334995113,19cyclictest227-1kworker/1:1H+kblockd07:45:041
2306340995032,18cyclictest0-21swapper/712:24:047
2306340995032,18cyclictest0-21swapper/711:54:227
2306340995031,19cyclictest0-21swapper/707:20:047
2306337995012,19cyclictest0-21swapper/410:15:154
2306334995031,19cyclictest2343238-21/usr/sbin/munin08:15:111
2306334995030,19cyclictest2484512-21needreboot12:25:181
2306334995030,19cyclictest2402570-21grep10:00:141
2306334995010,39cyclictest0-21swapper/108:05:271
2306340994931,18cyclictest0-21swapper/707:26:237
230633499499,39cyclictest0-21swapper/110:40:071
230633499499,39cyclictest0-21swapper/109:00:261
2306334994930,19cyclictest0-21swapper/110:05:151
2306334994911,19cyclictest0-21swapper/108:25:151
230633499488,39cyclictest0-21swapper/112:10:581
230633499488,39cyclictest0-21swapper/111:05:171
230633499488,39cyclictest0-21swapper/109:57:361
230633499488,39cyclictest0-21swapper/108:59:581
230633499488,39cyclictest0-21swapper/108:35:091
230633499488,39cyclictest0-21swapper/107:35:341
2306334994810,19cyclictest0-21swapper/109:25:161
2306334994810,19cyclictest0-21swapper/107:33:501
230634099478,39cyclictest0-21swapper/709:05:327
230633899478,39cyclictest0-21swapper/510:25:155
230633799479,38cyclictest2273938-21kworker/u16:4+events_unbound07:26:014
230633499478,39cyclictest0-21swapper/112:32:521
230633499478,39cyclictest0-21swapper/112:05:411
230633499478,39cyclictest0-21swapper/112:01:301
230633499478,39cyclictest0-21swapper/111:53:261
230633499478,39cyclictest0-21swapper/111:46:291
230633499478,39cyclictest0-21swapper/111:27:401
230633499478,39cyclictest0-21swapper/110:24:031
230633499478,39cyclictest0-21swapper/110:15:101
230633499478,39cyclictest0-21swapper/109:34:361
230633499478,39cyclictest0-21swapper/107:54:201
230633499478,38cyclictest311ktimers/108:35:021
230633399479,37cyclictest0-21swapper/009:30:140
2306340994527,18cyclictest0-21swapper/711:20:067
230633899457,19cyclictest0-21swapper/511:15:145
230633899457,19cyclictest0-21swapper/511:15:145
230633799457,19cyclictest0-21swapper/408:55:154
2306334994527,18cyclictest0-21swapper/107:58:171
230633399457,19cyclictest0-21swapper/010:35:150
2306340994426,18cyclictest0-21swapper/710:55:047
2306340994426,18cyclictest0-21swapper/708:28:277
230634099440,25cyclictest0-21swapper/712:14:447
230633499445,39cyclictest311ktimers/110:47:141
230633499445,39cyclictest311ktimers/110:47:141
2306340994324,19cyclictest0-21swapper/711:41:367
2306340994324,19cyclictest0-21swapper/711:12:007
2306340994324,19cyclictest0-21swapper/711:11:597
2306340994324,19cyclictest0-21swapper/707:19:517
2306340994324,0cyclictest0-21swapper/711:32:567
2306334994323,19cyclictest0-21swapper/110:36:541
230633399435,19cyclictest0-21swapper/012:05:140
2306340994224,18cyclictest0-21swapper/712:04:247
2306340994224,18cyclictest0-21swapper/708:15:197
2306340994223,19cyclictest0-21swapper/709:29:047
230633899413,19cyclictest0-21swapper/512:15:175
230633399413,19cyclictest0-21swapper/009:25:170
2306340994022,18cyclictest0-21swapper/707:47:497
230633799402,19cyclictest0-21swapper/407:10:144
2306334994021,0cyclictest0-21swapper/109:35:491
2306340993921,18cyclictest0-21swapper/708:07:117
2306340993920,19cyclictest0-21swapper/712:09:077
230634099390,39cyclictest841rcuc/711:45:177
230634099390,39cyclictest0-21swapper/712:16:377
230634099390,39cyclictest0-21swapper/711:55:417
230634099390,39cyclictest0-21swapper/711:09:547
230634099390,39cyclictest0-21swapper/710:47:587
230634099390,39cyclictest0-21swapper/710:47:587
230634099390,39cyclictest0-21swapper/710:24:457
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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