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2025-11-08 - 23:33
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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
Characteristics of the 100 highest latencies:
System rackdslot0.osadl.org (updated Sat Nov 08, 2025 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29886992919,0cyclictest0-21swapper/211:14:142
29886992718,9cyclictest0-21swapper/209:05:162
2988499241,18cyclictest10898-21cat10:25:010
2988699230,5cyclictest0-21swapper/209:32:562
2988599230,18cyclictest0-21swapper/107:23:201
2988699214,11cyclictest0-21swapper/211:05:592
2988699210,20cyclictest0-21swapper/212:25:502
2988599210,3cyclictest0-21swapper/108:14:221
2988499215,9cyclictest0-21swapper/009:05:460
29884992117,3cyclictest922-21rs:main0
29884992112,5cyclictest0-21swapper/007:54:020
2988699206,14cyclictest0-21swapper/211:59:342
29886992018,1cyclictest0-21swapper/211:28:102
2988699200,5cyclictest414-20systemd-journal07:35:022
2988699200,19cyclictest30341-21cpuspeed_turbos07:10:142
2988699200,19cyclictest0-21swapper/212:12:402
2988599200,3cyclictest4534-21H212:26:331
2988499203,16cyclictest4528-21H212:26:330
2988499200,18cyclictest0-21swapper/008:54:260
2988499200,0cyclictest0-21swapper/011:25:220
2988699198,1cyclictest0-21swapper/209:44:272
2988699193,15cyclictest4536-21H212:26:332
2988699192,2cyclictest4532-21H212:26:332
29886991914,2cyclictest4538-21H212:26:332
2988699191,3cyclictest4527-21H212:26:332
2988699190,2cyclictest4593-21H212:26:332
2988699190,16cyclictest4593-21H212:26:332
2988599194,1cyclictest21-21ksoftirqd/107:49:031
2988599194,1cyclictest21-21ksoftirqd/107:49:031
2988599192,16cyclictest26161-21nfsd408:55:201
29885991914,3cyclictest27369-21nfsd408:00:181
29885991914,2cyclictest4581-21H212:26:331
2988599190,2cyclictest4530-21H212:26:331
2988599190,2cyclictest4526-21H212:26:331
2988599190,1cyclictest0-21swapper/110:04:101
2988499193,15cyclictest9-21ksoftirqd/009:25:550
2988499192,1cyclictest4581-21H212:26:330
29884991913,5cyclictest0-21swapper/011:31:160
2988499190,2cyclictest4534-21H212:26:330
2988499190,2cyclictest4523-21H212:26:330
2988499190,18cyclictest0-21swapper/008:40:130
2988499190,16cyclictest4593-21H212:26:330
29886991816,1cyclictest28-21ksoftirqd/207:40:442
29886991816,1cyclictest0-21swapper/210:26:152
29886991816,1cyclictest0-21swapper/208:55:082
29886991816,1cyclictest0-21swapper/208:50:592
29886991815,2cyclictest1104-21lldpd12:07:032
29886991814,3cyclictest1299-21lxd12:38:482
29886991813,2cyclictest4530-21H212:26:332
2988699180,2cyclictest4593-21H212:26:332
2988699180,2cyclictest4528-21H212:26:332
2988699180,2cyclictest4523-21H212:26:332
2988699180,2cyclictest4523-21H212:26:332
2988699180,17cyclictest4593-21H212:26:332
2988699180,16cyclictest4534-21H212:26:332
2988699180,16cyclictest4530-21H212:26:332
2988699180,16cyclictest4530-21H212:26:332
2988599182,15cyclictest21-21ksoftirqd/112:34:261
29885991818,0cyclictest0-21swapper/112:39:011
29885991818,0cyclictest0-21swapper/111:31:591
29885991815,2cyclictest1405-21lxd11:19:081
29885991814,3cyclictest4532-21H212:26:331
2988599181,1cyclictest0-21swapper/108:51:001
2988599180,3cyclictest2071-21ntpq12:00:201
2988599180,2cyclictest4593-21H212:26:331
2988599180,2cyclictest4581-21H212:26:331
2988599180,2cyclictest4523-21H212:26:331
2988599180,1cyclictest0-21swapper/108:23:531
2988599180,17cyclictest4534-21H212:26:331
2988599180,17cyclictest0-21swapper/110:25:191
2988599180,16cyclictest4593-21H212:26:331
2988599180,16cyclictest4534-21H212:26:331
2988599180,16cyclictest4528-21H212:26:331
2988599180,16cyclictest4528-21H212:26:331
2988599180,16cyclictest4526-21H212:26:331
2988599180,16cyclictest4523-21H212:26:331
2988499182,15cyclictest0-21swapper/011:21:030
29884991816,1cyclictest0-21swapper/011:50:150
29884991815,2cyclictest4538-21H212:26:330
29884991815,2cyclictest1086-21snmpd11:42:050
29884991815,2cyclictest0-21swapper/008:55:240
29884991814,3cyclictest4708-21fschecks_count09:15:160
2988499181,2cyclictest4528-21H212:26:330
2988499181,16cyclictest9215-21nfsd408:25:200
2988499180,2cyclictest4538-21H212:26:330
2988499180,17cyclictest2445-21munin-plugin-st10:10:020
29886991714,2cyclictest7088-21ntp_kernel_pll_10:15:192
29886991714,2cyclictest4538-21H212:26:332
29886991714,2cyclictest4534-21H212:26:332
29886991714,2cyclictest4526-21H212:26:332
29886991714,2cyclictest28240-21sed09:55:222
29886991714,2cyclictest18234-21cat07:45:162
29886991714,2cyclictest18234-21cat07:45:152
29886991714,2cyclictest1271-21runrttasks10:39:552
29886991713,3cyclictest4530-21H212:26:332
29886991713,3cyclictest4530-21H212:26:332
2988699171,15cyclictest4539-21H212:26:332
2988699171,15cyclictest0-21swapper/208:30:122
2988699171,15cyclictest0-21swapper/207:20:182
2988699170,2cyclictest7079-21tr09:20:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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