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2026-05-21 - 19:44
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot6.osadl.org (updated Thu May 21, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3176521780,4sleep01318399cyclictest13:46:520
1068911060,4ptp4l401ktimersoftd/308:35:143
106891740,1ptp4l401ktimersoftd/313:00:123
106891690,1ptp4l401ktimersoftd/309:39:253
106891690,1ptp4l401ktimersoftd/309:39:253
106891660,1ptp4l401ktimersoftd/311:55:583
317822640,3sleep2311rcuc/209:13:542
106891640,1ptp4l401ktimersoftd/312:10:273
106891630,1ptp4l401ktimersoftd/313:12:393
106891630,1ptp4l401ktimersoftd/313:12:393
106891600,1ptp4l401ktimersoftd/311:34:053
3472590,2sleep30-21swapper/310:23:563
106891590,1ptp4l401ktimersoftd/311:17:533
106891590,1ptp4l401ktimersoftd/311:09:433
149442580,3sleep26117-21diskmemload11:19:002
106891580,1ptp4l401ktimersoftd/313:54:183
106891570,1ptp4l401ktimersoftd/312:15:273
106891570,1ptp4l401ktimersoftd/311:05:203
106891560,1ptp4l401ktimersoftd/312:02:473
106891550,1ptp4l401ktimersoftd/313:40:233
110412531,42sleep111122-21cpuspeed_turbos08:33:481
266542520,3sleep20-21swapper/213:08:562
266542520,3sleep20-21swapper/213:08:562
1319499487,8cyclictest4761-21cut11:08:542
1319499457,8cyclictest16349-21acpi10:48:482
1319499451,19cyclictest16584-21hddtemp_smartct14:03:572
106891450,1ptp4l401ktimersoftd/312:56:233
1319499446,6cyclictest6117-21diskmemload13:37:352
1291924318,14sleep233-21ksoftirqd/208:36:282
1319499425,6cyclictest1664-21basename10:28:472
1319499423,15cyclictest26043-21sh12:03:432
1319499422,18cyclictest14839-21lockfile-remove09:48:362
86832410,2sleep00-21swapper/011:45:070
1319499408,5cyclictest33-21ksoftirqd/211:36:182
1319499408,4cyclictest33-21ksoftirqd/211:18:092
106891400,1ptp4l401ktimersoftd/313:33:443
106891400,1ptp4l401ktimersoftd/313:22:363
106891400,1ptp4l401ktimersoftd/311:22:573
1319499397,6cyclictest33-21ksoftirqd/212:45:132
1319499396,5cyclictest33-21ksoftirqd/213:58:242
106891390,1ptp4l401ktimersoftd/313:14:253
106891390,1ptp4l401ktimersoftd/311:51:443
106891390,1ptp4l401ktimersoftd/311:40:183
106891390,1ptp4l401ktimersoftd/311:27:273
106891390,1ptp4l401ktimersoftd/311:27:273
106891390,0ptp4l401ktimersoftd/312:48:203
106891380,1ptp4l401ktimersoftd/314:06:303
106891380,1ptp4l401ktimersoftd/313:47:333
106891380,1ptp4l401ktimersoftd/313:05:073
106891380,1ptp4l401ktimersoftd/313:05:073
106891380,1ptp4l401ktimersoftd/312:30:533
106891380,1ptp4l401ktimersoftd/311:43:423
106891380,1ptp4l401ktimersoftd/311:32:283
106891380,1ptp4l401ktimersoftd/311:32:283
106891380,1ptp4l401ktimersoftd/310:55:293
106891370,1ptp4l401ktimersoftd/313:26:323
106891370,1ptp4l401ktimersoftd/312:49:123
106891370,1ptp4l401ktimersoftd/312:37:573
106891370,1ptp4l401ktimersoftd/312:27:283
106891370,1ptp4l401ktimersoftd/312:20:133
106891370,1ptp4l401ktimersoftd/310:58:563
106891370,1ptp4l401ktimersoftd/310:46:023
106891370,1ptp4l401ktimersoftd/310:39:293
106891370,0ptp4l401ktimersoftd/308:47:263
237802365,3sleep1121rcu_preempt12:33:511
1319499369,8cyclictest11153-21sed10:43:382
106891360,1ptp4l401ktimersoftd/312:40:163
106891360,1ptp4l401ktimersoftd/310:36:463
106891360,14ptp4l401ktimersoftd/309:32:433
106891360,0ptp4l401ktimersoftd/309:49:493
106891340,1ptp4l401ktimersoftd/312:04:463
106891340,1ptp4l401ktimersoftd/310:13:583
106891340,0ptp4l401ktimersoftd/314:02:483
106891330,1ptp4l401ktimersoftd/309:16:303
106891330,0ptp4l401ktimersoftd/310:50:453
106891320,1ptp4l401ktimersoftd/313:30:553
106891320,0ptp4l401ktimersoftd/310:22:153
106891310,1ptp4l401ktimersoftd/309:09:303
106891310,1ptp4l401ktimersoftd/308:54:033
106891310,0ptp4l401ktimersoftd/309:43:473
106891310,0ptp4l401ktimersoftd/309:28:203
1319499308,7cyclictest25179-21ssh11:29:072
1319499308,7cyclictest25179-21ssh11:29:072
1319499305,5cyclictest33-21ksoftirqd/212:15:032
1319499302,10cyclictest6261-21apt-get11:43:512
1319499301,17cyclictest6051-21snmpd12:39:032
106891300,1ptp4l401ktimersoftd/313:52:203
132322290,4sleep0101ktimersoftd/012:23:340
1319499299,6cyclictest33-21ksoftirqd/210:45:072
1319499297,5cyclictest33-21ksoftirqd/208:50:232
1319499295,5cyclictest33-21ksoftirqd/208:55:082
13194992923,3cyclictest33-21ksoftirqd/213:24:062
1319499291,15cyclictest11263-21ssh11:48:432
122772296,10sleep00-21swapper/008:34:000
106891290,10ptp4l401ktimersoftd/310:04:383
106891290,0ptp4l401ktimersoftd/310:01:033
106891290,0ptp4l401ktimersoftd/308:50:333
1319499289,7cyclictest33-21ksoftirqd/212:29:392
1319499289,6cyclictest33-21ksoftirqd/211:24:552
1319499289,6cyclictest33-21ksoftirqd/211:24:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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