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2026-07-01 - 18:39
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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 Wed Jul 01, 2026 13:02:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1146799229218,8cyclictest20279-21systemd11:45:195
1146799229218,8cyclictest20279-21systemd11:45:195
1146799204196,6cyclictest0-21swapper/1309:42:345
1146799204196,6cyclictest0-21swapper/1309:42:345
1146799204196,6cyclictest0-21swapper/1309:42:345
1146799202196,4cyclictest0-21swapper/1310:17:425
1146799202196,4cyclictest0-21swapper/1310:17:415
1146799199192,5cyclictest0-21swapper/1310:10:355
1146799199192,5cyclictest0-21swapper/1310:10:355
1146799199192,5cyclictest0-21swapper/1310:10:355
1146999196187,6cyclictest0-21swapper/1511:00:127
1146999196187,6cyclictest0-21swapper/1511:00:117
1146799196189,5cyclictest0-21swapper/1311:38:355
1146799196189,5cyclictest0-21swapper/1311:38:355
1146799193185,6cyclictest0-21swapper/1312:20:155
1146799193185,6cyclictest0-21swapper/1312:20:155
1146799193185,6cyclictest0-21swapper/1311:30:015
1146799193185,6cyclictest0-21swapper/1311:30:005
1146799190184,4cyclictest0-21swapper/1311:54:295
1146799190184,4cyclictest0-21swapper/1311:54:295
1146799190184,4cyclictest0-21swapper/1311:54:285
1146799190184,4cyclictest0-21swapper/1311:54:285
1146799190165,17cyclictest0-21swapper/1312:30:505
1146799190165,17cyclictest0-21swapper/1312:30:505
1146799190165,17cyclictest0-21swapper/1312:30:505
1146999189180,7cyclictest0-21swapper/1510:58:327
1146999189180,7cyclictest0-21swapper/1510:58:327
1146999189180,7cyclictest0-21swapper/1510:58:327
1145999188184,2cyclictest0-21swapper/612:25:1936
1145999188184,2cyclictest0-21swapper/612:25:1836
1146799186179,5cyclictest0-21swapper/1310:57:195
1146799186179,5cyclictest0-21swapper/1310:57:195
1146799186179,5cyclictest0-21swapper/1310:57:185
1146799186177,7cyclictest0-21swapper/1312:12:325
1146799186177,7cyclictest0-21swapper/1312:12:325
1146799186177,7cyclictest0-21swapper/1312:12:315
1146799186170,14cyclictest0-21swapper/1311:11:355
1146799186170,14cyclictest0-21swapper/1311:11:345
1147699185141,39cyclictest0-21swapper/2110:23:5614
1147699185141,39cyclictest0-21swapper/2110:23:5614
1147699185141,39cyclictest0-21swapper/2110:23:5614
1147099185173,10cyclictest0-21swapper/1610:20:438
1147099185173,10cyclictest0-21swapper/1610:20:428
1147099185173,10cyclictest0-21swapper/1610:20:428
1146999185174,9cyclictest0-21swapper/1508:20:537
1146999185174,9cyclictest0-21swapper/1508:20:527
1146799185178,5cyclictest0-21swapper/1309:21:075
1146799185178,5cyclictest0-21swapper/1309:21:065
1146799185178,5cyclictest0-21swapper/1309:21:065
1146799184178,4cyclictest0-21swapper/1312:25:345
1146799184178,4cyclictest0-21swapper/1312:25:345
1146799183171,9cyclictest0-21swapper/1312:36:345
1146799183171,9cyclictest0-21swapper/1312:36:345
1149499182110,13cyclictest0-21swapper/3610:17:4830
1149499182110,13cyclictest0-21swapper/3610:17:4730
1146799181173,6cyclictest0-21swapper/1309:00:225
1146799181173,6cyclictest0-21swapper/1309:00:225
1146799181172,6cyclictest0-21swapper/1307:55:135
1146799181172,6cyclictest0-21swapper/1307:55:135
1146799181168,9cyclictest2466-21CPU5
1146799181168,9cyclictest2466-21CPU5
1146799179172,5cyclictest0-21swapper/1308:10:345
1146799179172,5cyclictest0-21swapper/1308:10:345
1146299179154,19cyclictest0-21swapper/812:32:1538
1146299179154,19cyclictest0-21swapper/812:32:1438
1146299179154,19cyclictest0-21swapper/812:32:1438
1146799178150,17cyclictest171rcu_preempt11:03:275
1146799178150,17cyclictest171rcu_preempt11:03:275
1149799177140,28cyclictest0-21swapper/3810:10:2832
1149799177140,28cyclictest0-21swapper/3810:10:2732
1149799177140,28cyclictest0-21swapper/3810:10:2732
1147399176172,2cyclictest0-21swapper/1909:43:1811
1147399176172,2cyclictest0-21swapper/1909:43:1811
1147399176172,2cyclictest0-21swapper/1909:43:1811
1146799176147,23cyclictest37357-21CPU5
1146799176147,23cyclictest37357-21CPU5
1148399175166,6cyclictest0-21swapper/2710:20:1720
1148399175166,6cyclictest0-21swapper/2710:20:1720
1148399175166,6cyclictest0-21swapper/2710:20:1720
1146799175169,4cyclictest0-21swapper/1310:31:135
1146799175169,4cyclictest0-21swapper/1310:31:125
1146799175167,6cyclictest0-21swapper/1311:55:415
1146799175167,6cyclictest0-21swapper/1311:55:405
1146799175160,12cyclictest0-21swapper/1308:02:415
1146799175160,12cyclictest0-21swapper/1308:02:415
1146799174166,6cyclictest8629-21date08:35:025
1146799174164,8cyclictest0-21swapper/1309:10:035
1146799174164,8cyclictest0-21swapper/1309:10:035
1146799174164,8cyclictest0-21swapper/1309:10:025
1146799174143,9cyclictest171rcu_preempt10:49:025
1146799174143,9cyclictest171rcu_preempt10:49:025
1147299173163,9cyclictest0-21swapper/1809:16:0210
1147299173163,9cyclictest0-21swapper/1809:16:0110
1147299173163,9cyclictest0-21swapper/1809:16:0110
1146799173168,4cyclictest0-21swapper/1312:08:585
1146799173168,4cyclictest0-21swapper/1312:08:585
1146799173167,5cyclictest0-21swapper/1311:33:235
1146799173167,5cyclictest0-21swapper/1311:33:225
1146799173166,4cyclictest0-21swapper/1310:10:005
1146799173166,4cyclictest0-21swapper/1310:09:595
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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