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2026-06-13 - 23:22
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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 rack6slot0.osadl.org (updated Sat Jun 13, 2026 13:03:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1468299236231,3cyclictest0-21swapper/1711:40:219
1468299236231,3cyclictest0-21swapper/1711:40:209
1470399233213,14cyclictest0-21swapper/3508:25:1329
1470399233213,14cyclictest0-21swapper/3508:25:1329
1469199214190,17cyclictest0-21swapper/2508:10:0118
1469199214190,17cyclictest0-21swapper/2508:10:0118
1470399213191,14cyclictest0-21swapper/3508:17:0029
1470399213191,14cyclictest0-21swapper/3508:16:5929
1470399210187,9cyclictest0-21swapper/3508:45:1329
1470399210187,9cyclictest0-21swapper/3508:45:1329
1470399209204,4cyclictest0-21swapper/3508:35:0129
1470399209204,4cyclictest0-21swapper/3508:35:0129
1469199207185,13cyclictest0-21swapper/2507:50:1118
1470399205195,6cyclictest20840-21cpuspeed_turbos08:40:1529
1470399205195,6cyclictest20840-21cpuspeed_turbos08:40:1529
1469199204195,7cyclictest0-21swapper/2507:46:3518
1469199204195,7cyclictest0-21swapper/2507:46:3518
146839920399,96cyclictest2447-21CPU10
146839920399,96cyclictest2447-21CPU10
1467999202184,12cyclictest0-21swapper/1410:25:296
1467999202184,12cyclictest0-21swapper/1410:25:286
1467999202184,12cyclictest0-21swapper/1410:25:286
1466199202195,3cyclictest0-21swapper/012:29:190
1466199202195,3cyclictest0-21swapper/012:29:190
1469199200187,3cyclictest3543-21CPU18
1469199200187,3cyclictest3543-21CPU18
1467999199179,14cyclictest0-21swapper/1410:15:156
1467999199179,14cyclictest0-21swapper/1410:15:156
1467999199179,14cyclictest0-21swapper/1410:15:146
1469199197178,14cyclictest0-21swapper/2507:35:2118
1469199197178,14cyclictest0-21swapper/2507:35:2118
1467999197182,10cyclictest0-21swapper/1409:17:506
1467999197182,10cyclictest0-21swapper/1409:17:506
1467999197182,10cyclictest0-21swapper/1409:17:496
1467999196183,10cyclictest0-21swapper/1410:12:576
1467999196183,10cyclictest0-21swapper/1410:12:576
1467999196177,10cyclictest0-21swapper/1409:33:196
1467999196177,10cyclictest0-21swapper/1409:33:186
1467999196177,10cyclictest0-21swapper/1409:33:186
1470599195161,8cyclictest171rcu_preempt11:24:5431
1470599195161,8cyclictest171rcu_preempt11:24:5431
1467999195177,11cyclictest0-21swapper/1409:15:086
1467999194108,64cyclictest0-21swapper/1409:29:456
1467999194108,64cyclictest0-21swapper/1409:29:456
1467999194108,64cyclictest0-21swapper/1409:29:446
1470399193176,13cyclictest0-21swapper/3508:35:5929
1470399193176,13cyclictest0-21swapper/3508:35:5929
1469199193186,5cyclictest0-21swapper/2507:25:5318
1469199193186,5cyclictest0-21swapper/2507:25:5318
1469199193184,5cyclictest0-21swapper/2507:57:3218
1469199193184,5cyclictest0-21swapper/2507:57:3218
1468399193100,72cyclictest37355-21CPU10
1468399193100,72cyclictest37355-21CPU10
1468399193100,72cyclictest37355-21CPU10
1466199193163,11cyclictest171rcu_preempt11:00:040
1466199193163,11cyclictest171rcu_preempt11:00:040
1466199193163,11cyclictest171rcu_preempt11:00:030
1470799192104,84cyclictest3545-21CPU33
1470799192104,84cyclictest3545-21CPU33
1469199192183,6cyclictest0-21swapper/2507:30:1818
1469199192183,6cyclictest0-21swapper/2507:30:1718
1468399191107,67cyclictest4407-21CPU10
1468399191107,67cyclictest4407-21CPU10
1469399190170,16cyclictest2459-21CPU20
1469399190170,16cyclictest2459-21CPU20
1467999190172,12cyclictest0-21swapper/1409:53:156
1467999190172,12cyclictest0-21swapper/1409:53:156
1467999190172,12cyclictest0-21swapper/1409:53:156
1467999190168,12cyclictest0-21swapper/1409:42:056
1467999190168,12cyclictest0-21swapper/1409:42:046
1470799189124,58cyclictest0-21swapper/3911:02:5833
1470799189124,58cyclictest0-21swapper/3911:02:5833
1470399189182,5cyclictest0-21swapper/3508:23:3729
1470399189182,5cyclictest0-21swapper/3508:23:3729
1470799188135,48cyclictest0-21swapper/3910:09:1033
1470799188135,48cyclictest0-21swapper/3910:09:1033
1467999188154,22cyclictest0-21swapper/1409:20:296
1467999188154,22cyclictest0-21swapper/1409:20:296
1467699188126,46cyclictest37265-21CPU3
1467699188126,46cyclictest37265-21CPU3
1470799187135,50cyclictest39752-21systemd11:58:3033
1470799187135,50cyclictest39752-21systemd11:58:2933
1470799187135,50cyclictest39752-21systemd11:58:2933
1470399187180,5cyclictest0-21swapper/3508:50:5329
1468199187181,3cyclictest0-21swapper/1611:40:288
1468199187181,3cyclictest0-21swapper/1611:40:288
1467999187172,8cyclictest0-21swapper/1410:21:466
1467999187172,8cyclictest0-21swapper/1410:21:466
1466999186140,43cyclictest0-21swapper/712:30:3337
1466999186140,43cyclictest0-21swapper/712:30:3237
1466799186181,3cyclictest0-21swapper/511:30:1535
1466799186181,3cyclictest0-21swapper/511:30:1535
14707991851,95cyclictest0-21swapper/3907:40:1633
14707991851,95cyclictest0-21swapper/3907:40:1633
1467699185159,12cyclictest171rcu_preempt10:09:213
1467699185159,12cyclictest171rcu_preempt10:09:213
1466999183157,22cyclictest0-21swapper/708:06:0437
1466999183157,22cyclictest0-21swapper/708:06:0437
1470399182156,7cyclictest171rcu_preempt10:25:4229
1470399182156,7cyclictest171rcu_preempt10:25:4229
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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