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2026-06-29 - 19:09
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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 rack7slot1.osadl.org (updated Mon Jun 29, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24646211758,20sleep30-21swapper/307:08:323
24500211552,58sleep10-21swapper/107:06:541
1705921120,3sleep313510-21stress09:15:313
24716211051,54sleep00-21swapper/007:09:230
24620210355,17sleep20-21swapper/207:08:162
306192540,1sleep313514-21stress09:46:313
24885994730,15cyclictest0-21swapper/110:27:321
24885994729,16cyclictest0-21swapper/112:11:301
24885994626,18cyclictest0-21swapper/112:07:281
24885994530,13cyclictest0-21swapper/112:29:371
24885994526,16cyclictest0-21swapper/110:56:291
2488599447,26cyclictest0-21swapper/110:00:141
24885994426,15cyclictest0-21swapper/111:07:571
2488599437,26cyclictest0-21swapper/109:15:181
24885994326,15cyclictest0-21swapper/110:52:261
2488599427,26cyclictest0-21swapper/109:55:271
2488599427,22cyclictest0-21swapper/110:05:341
2488599427,22cyclictest0-21swapper/110:05:331
24885994227,13cyclictest0-21swapper/111:25:591
24885994225,15cyclictest0-21swapper/112:00:171
24885994225,15cyclictest0-21swapper/112:00:171
24885994225,15cyclictest0-21swapper/111:55:191
24885994225,15cyclictest0-21swapper/111:30:031
24885994225,15cyclictest0-21swapper/110:11:081
24885994225,15cyclictest0-21swapper/110:11:071
24885994225,15cyclictest0-21swapper/109:35:341
2488599416,26cyclictest0-21swapper/110:15:181
2488599416,26cyclictest0-21swapper/110:15:181
2488599415,23cyclictest0-21swapper/111:35:171
24885994125,13cyclictest0-21swapper/109:50:051
24885994124,15cyclictest0-21swapper/111:45:181
2488599407,24cyclictest0-21swapper/109:25:321
24885994025,8cyclictest13513-21stress10:20:481
24885994022,15cyclictest0-21swapper/111:40:371
24885993923,14cyclictest0-21swapper/112:30:311
24885993923,14cyclictest0-21swapper/112:30:301
24885993913,12cyclictest13464-21idleruntime-cro09:10:011
2488499396,18cyclictest0-21swapper/011:10:220
24886993812,23cyclictest0-21swapper/211:43:392
24885993811,16cyclictest13514-21stress12:23:001
24885993810,17cyclictest13511-21stress11:15:371
24885993810,17cyclictest13511-21stress11:15:361
2488499387,17cyclictest0-21swapper/012:00:300
2488499387,17cyclictest0-21swapper/012:00:300
24887993715,19cyclictest0-21swapper/309:13:563
2488699375,21cyclictest0-21swapper/207:38:202
2488599376,19cyclictest0-21swapper/109:45:131
24885993725,5cyclictest13510-21stress10:44:151
24885993725,5cyclictest13510-21stress10:44:151
24885993723,12cyclictest0-21swapper/112:15:331
24885993714,8cyclictest13511-21stress10:30:141
24885993713,15cyclictest0-21swapper/108:14:381
24885993712,10cyclictest28439-21taskset09:41:581
24885993711,15cyclictest29525-21/usr/sbin/munin11:00:111
24885993711,15cyclictest13511-21stress10:35:371
24885993711,11cyclictest13514-21stress09:20:191
24884993711,20cyclictest0-21swapper/007:33:180
24884993711,17cyclictest0-21swapper/010:45:270
24884993711,17cyclictest0-21swapper/010:45:260
24884993710,22cyclictest0-21swapper/007:10:260
24884993710,22cyclictest0-21swapper/007:10:260
40952365,13sleep20-21swapper/207:33:262
24887993615,19cyclictest0-21swapper/310:00:363
24887993610,23cyclictest0-21swapper/310:16:093
24887993610,23cyclictest0-21swapper/310:16:093
2488599369,17cyclictest13511-21stress09:10:131
24885993615,8cyclictest2584-21sed11:10:321
24885993610,19cyclictest0-21swapper/107:55:221
24885993610,16cyclictest7565-21runrttasks11:23:171
24885993610,16cyclictest7565-21runrttasks11:23:161
2488499366,20cyclictest0-21swapper/010:53:490
24884993614,20cyclictest0-21swapper/010:20:230
24884993612,16cyclictest0-21swapper/008:00:060
24884993611,23cyclictest0-21swapper/012:30:060
24884993611,23cyclictest0-21swapper/012:30:060
24884993611,19cyclictest0-21swapper/008:54:170
24884993611,19cyclictest0-21swapper/007:19:470
24884993611,15cyclictest0-21swapper/007:39:460
87702355,10sleep30-21swapper/308:56:043
319942355,11sleep30-21swapper/307:22:403
318742355,13sleep00-21swapper/007:21:170
281522355,13sleep30-21swapper/308:29:053
2488799358,24cyclictest0-21swapper/311:51:183
24887993511,21cyclictest0-21swapper/311:49:343
24887993511,21cyclictest0-21swapper/311:21:193
24887993511,21cyclictest0-21swapper/311:21:183
24887993510,22cyclictest0-21swapper/312:32:153
24887993510,22cyclictest0-21swapper/312:32:153
2488699357,25cyclictest0-21swapper/210:21:332
24886993516,16cyclictest0-21swapper/211:58:062
24886993514,19cyclictest0-21swapper/211:10:332
2488599358,25cyclictest0-21swapper/107:40:011
24885993514,6cyclictest19072-21head08:05:241
24885993513,14cyclictest27845-21ntp_states07:15:031
24885993511,16cyclictest13510-21stress09:30:361
24885993511,16cyclictest13510-21stress09:30:361
24885993510,11cyclictest13511-21stress12:35:071
24885993510,10cyclictest13511-21stress10:46:091
24885993510,10cyclictest13511-21stress10:46:091
2488499359,23cyclictest0-21swapper/012:29:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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