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2025-12-30 - 05:12
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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 Tue Dec 30, 2025 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3985857991060,105cyclictest0-21swapper/219:47:412
3985862998080,0cyclictest0-21swapper/722:50:177
3985856997314,20cyclictest876-21mta-sts-daemon21:04:331
3985856997133,19cyclictest4137559-21diskstats23:35:151
3985856997113,19cyclictest4092475-21ntpq22:15:181
3985856997032,19cyclictest1-21systemd20:35:011
3985862996932,18cyclictest871ktimers/719:30:167
3985856996931,19cyclictest4057641-21df_inode21:15:151
398585899657,19cyclictest0-21swapper/323:45:163
3985858996426,19cyclictest4077572-21kworker/u32:1+events_unbound00:05:073
3985860996223,39cyclictest681rcuc/521:55:185
398585699612,39cyclictest4111521-21/usr/sbin/munin22:50:151
3985856995836,18cyclictest331ktimers/121:50:201
3985856995814,44cyclictest0-21swapper/121:38:171
3985856995814,44cyclictest0-21swapper/121:38:171
3985856995518,2cyclictest0-21swapper/123:50:171
3985856995516,39cyclictest331ktimers/123:47:201
3985856995516,38cyclictest4029101-21apt20:25:131
398586299540,35cyclictest0-21swapper/722:40:177
3985856995453,1cyclictest331ktimers/100:07:181
3985856995415,38cyclictest0-21swapper/122:40:151
3985856995335,18cyclictest0-21swapper/119:20:571
3985856995334,19cyclictest4095294-21ntp_states22:20:231
3985856995334,19cyclictest3985854-21cyclictest00:10:251
3985856995314,39cyclictest331ktimers/121:42:151
3985856995314,39cyclictest0-21swapper/123:58:281
3985856995314,39cyclictest0-21swapper/121:12:071
3985856995314,19cyclictest0-21swapper/119:51:381
3985861995214,19cyclictest0-21swapper/619:25:186
3985856995231,19cyclictest0-21swapper/121:21:441
3985856995214,19cyclictest4167053-21ntpq00:25:211
3985862995113,19cyclictest0-21swapper/722:15:137
3985862995113,19cyclictest0-21swapper/721:40:167
3985862995113,19cyclictest0-21swapper/721:10:157
3985860995133,18cyclictest0-21swapper/520:20:165
3985857995133,18cyclictest0-21swapper/223:10:162
3985856995113,19cyclictest0-21swapper/122:05:191
3985858995031,1cyclictest0-21swapper/323:05:033
3985858995031,19cyclictest0-21swapper/322:05:173
3985858995031,19cyclictest0-21swapper/300:35:093
3985858995030,20cyclictest4079857-21kworker/u32:3+flush-8:023:17:033
3985856995031,19cyclictest0-21swapper/123:27:391
3985856995012,38cyclictest0-21swapper/122:10:051
3985860994911,38cyclictest0-21swapper/523:45:165
3985858994910,39cyclictest0-21swapper/322:25:173
3985856994910,39cyclictest0-21swapper/119:38:371
3985861994830,18cyclictest0-21swapper/623:00:166
3985861994810,19cyclictest0-21swapper/622:50:166
3985860994810,19cyclictest0-21swapper/522:35:175
3985857994829,19cyclictest0-21swapper/219:40:162
398585699489,39cyclictest0-21swapper/120:00:081
3985856994830,18cyclictest0-21swapper/120:45:141
398585699479,38cyclictest874-21mta-sts-daemon23:04:091
398585699479,19cyclictest0-21swapper/121:06:051
398585699478,39cyclictest4004371-21ld19:40:191
398585699478,39cyclictest0-21swapper/122:39:521
398585699478,39cyclictest0-21swapper/122:04:021
398585699478,39cyclictest0-21swapper/120:54:451
3985856994729,18cyclictest4129057-21cstates23:20:141
3985856994728,19cyclictest331ktimers/123:31:011
3985856994728,19cyclictest0-21swapper/123:41:511
3985856994728,19cyclictest0-21swapper/119:10:551
3985856994727,19cyclictest0-21swapper/123:19:571
3985856994726,21cyclictest0-21swapper/120:21:291
398585899468,19cyclictest0-21swapper/320:00:163
3985858994628,18cyclictest3977076-21kworker/3:1+events20:16:513
398585699468,19cyclictest4116128-21chrt22:56:091
398585699468,19cyclictest4039514-21users20:40:251
398585699467,39cyclictest0-21swapper/122:28:541
398585699467,19cyclictest0-21swapper/122:31:011
398585699466,39cyclictest0-21swapper/100:16:351
3985856994625,0cyclictest0-21swapper/120:10:381
3985861994527,18cyclictest0-21swapper/623:35:176
398585699457,19cyclictest0-21swapper/120:35:171
398585699457,19cyclictest0-21swapper/120:08:291
398585699456,39cyclictest0-21swapper/119:31:511
3985856994526,19cyclictest3995599-21irqstats19:25:191
3985856994526,19cyclictest0-21swapper/121:56:011
3985856994526,18cyclictest0-21swapper/122:45:521
398585699445,39cyclictest0-21swapper/119:59:571
398585699444,39cyclictest0-21swapper/123:11:161
398585699444,39cyclictest0-21swapper/123:08:391
3985856994425,19cyclictest0-21swapper/121:33:201
3985856994425,19cyclictest0-21swapper/119:48:451
3985856994425,19cyclictest0-21swapper/119:16:171
3985858994325,0cyclictest52-21ksoftirqd/322:00:173
398585799435,19cyclictest0-21swapper/222:05:182
398585699434,19cyclictest0-21swapper/120:59:161
3985856994323,19cyclictest0-21swapper/100:32:281
398586299424,19cyclictest0-21swapper/721:35:187
398586299424,19cyclictest0-21swapper/721:35:187
398586299423,39cyclictest0-21swapper/700:10:187
398585699423,39cyclictest0-21swapper/121:29:131
3985856994223,19cyclictest0-21swapper/120:16:511
398586199413,19cyclictest0-21swapper/623:05:166
398586199413,19cyclictest0-21swapper/621:55:176
398585799413,19cyclictest0-21swapper/219:50:162
3985856994122,19cyclictest0-21swapper/100:22:071
3985856994122,19cyclictest0-21swapper/100:00:111
398586099402,19cyclictest681rcuc/500:20:185
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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