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2025-08-27 - 14:38
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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 Wed Aug 27, 2025 00:46:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1422430997333,19cyclictest1481488-21taskset20:54:440
1422430997314,58cyclictest0-21swapper/021:47:200
1422430997234,38cyclictest101850irq/40-eno2-TxRx-119:37:040
1422430997233,19cyclictest0-21swapper/019:11:120
1422430997233,19cyclictest0-21swapper/000:23:390
1422430997133,19cyclictest0-21swapper/021:15:100
1422430997132,39cyclictest0-21swapper/019:22:160
1422430997112,39cyclictest1590288-21awk00:05:150
1422434997012,39cyclictest591rcuc/423:25:204
1422430997031,19cyclictest0-21swapper/020:00:360
1422430997031,19cyclictest0-21swapper/000:33:150
1422430996930,19cyclictest0-21swapper/023:48:390
1422430996930,19cyclictest0-21swapper/023:48:390
1422430996930,19cyclictest0-21swapper/022:04:000
1422430996829,19cyclictest0-21swapper/021:50:520
142243099678,19cyclictest0-21swapper/022:15:240
142243099657,39cyclictest1487687-21/usr/sbin/munin21:05:020
142243099657,19cyclictest0-21swapper/020:44:380
1422430996526,19cyclictest1750ktimers/023:25:410
1422430996526,19cyclictest0-21swapper/023:18:420
142243099646,19cyclictest0-21swapper/022:06:180
1422430996344,19cyclictest0-21swapper/020:40:020
1422430996324,20cyclictest0-21swapper/019:32:080
142243099624,19cyclictest0-21swapper/023:11:220
142243099591,39cyclictest1583556-21taskset23:54:290
142243099591,39cyclictest1583556-21taskset23:54:290
142243099580,39cyclictest1587103-21aten2.4-expect00:00:130
1422430995738,19cyclictest1540235-21ntpq22:35:220
1422430995719,18cyclictest0-21swapper/000:38:350
1422430995718,19cyclictest171ktimers/022:25:120
1422430995519,36cyclictest0-21swapper/022:47:000
1422430995519,16cyclictest0-21swapper/020:08:280
1422430995519,15cyclictest0-21swapper/023:23:280
1422430995516,39cyclictest171ktimers/021:13:140
1422430995515,39cyclictest0-21swapper/020:22:400
1422430995515,19cyclictest1422429-21cyclictest00:14:550
1422430995515,19cyclictest0-21swapper/023:09:080
1422430995514,39cyclictest0-21swapper/019:47:160
142243099550,35cyclictest0-21swapper/020:16:560
1422437995414,39cyclictest0-21swapper/722:30:207
1422430995419,35cyclictest0-21swapper/022:31:280
1422430995415,19cyclictest0-21swapper/020:25:440
1422430995415,19cyclictest0-21swapper/019:28:560
1422430995414,39cyclictest0-21swapper/020:48:000
1422430995414,39cyclictest0-21swapper/000:27:390
1422430995414,20cyclictest1544003-21kworker/0:0+ice23:31:200
1422430995414,20cyclictest0-21swapper/021:38:480
1422430995414,19cyclictest1544003-21kworker/0:0+ice23:43:030
1422430995414,19cyclictest0-21swapper/021:25:400
1422430995414,19cyclictest0-21swapper/019:55:440
1422430995414,19cyclictest0-21swapper/019:55:440
1422430995414,19cyclictest0-21swapper/000:19:110
1422430995414,0cyclictest0-21swapper/020:12:280
1422430995413,39cyclictest0-21swapper/021:10:000
1422430995334,19cyclictest0-21swapper/022:13:280
1422430995314,39cyclictest0-21swapper/022:57:200
1422430995314,38cyclictest0-21swapper/023:00:040
1422430995314,19cyclictest0-21swapper/023:57:350
1422430995314,19cyclictest0-21swapper/023:36:520
1422430995314,19cyclictest0-21swapper/023:36:520
1422430995314,19cyclictest0-21swapper/022:51:050
1422430995314,19cyclictest0-21swapper/022:40:040
1422430995314,19cyclictest0-21swapper/021:55:360
1422430995314,19cyclictest0-21swapper/021:31:490
1422430995314,19cyclictest0-21swapper/021:20:480
1422430995314,19cyclictest0-21swapper/020:30:400
1422430995314,19cyclictest0-21swapper/019:50:360
1422430995314,19cyclictest0-21swapper/019:41:000
1422435995218,34cyclictest0-21swapper/523:30:165
1422430995213,19cyclictest0-21swapper/022:22:400
1422430995213,19cyclictest0-21swapper/021:41:360
1422430995213,19cyclictest0-21swapper/020:57:560
1422430995213,0cyclictest0-21swapper/019:18:080
1422437995136,1cyclictest871ktimers/721:45:167
1422437995114,18cyclictest0-21swapper/722:25:187
1422434995131,19cyclictest0-21swapper/400:30:194
1422437995012,19cyclictest0-21swapper/723:00:177
1422432995011,39cyclictest0-21swapper/220:55:162
1422431994829,19cyclictest0-21swapper/122:40:221
1422436994545,0cyclictest0-21swapper/623:40:226
142243499446,20cyclictest591rcuc/423:20:224
142243499443,40cyclictest1529772-21kworker/u32:1-events_unbound22:55:154
142243199446,19cyclictest0-21swapper/122:00:191
142243199446,19cyclictest0-21swapper/120:35:221
142243799433,39cyclictest0-21swapper/719:15:197
142243499435,19cyclictest0-21swapper/400:35:174
142243499424,38cyclictest0-21swapper/423:00:174
142243699411,39cyclictest0-21swapper/600:25:186
142243199411,39cyclictest0-21swapper/122:05:181
1422434994022,18cyclictest0-21swapper/421:15:194
1422431994021,19cyclictest0-21swapper/120:40:161
142243799390,20cyclictest0-21swapper/722:05:187
142243699391,19cyclictest0-21swapper/600:30:196
1422436993838,0cyclictest0-21swapper/622:25:186
1422436993820,18cyclictest0-21swapper/622:50:196
1422436993819,19cyclictest0-21swapper/622:10:166
1422436993819,18cyclictest0-21swapper/620:50:176
1422436993817,20cyclictest79-21ksoftirqd/623:50:186
1422436993817,20cyclictest79-21ksoftirqd/623:50:186
1422431993838,0cyclictest0-21swapper/121:36:501
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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