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2026-08-09 - 15:27
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot6.osadl.org (updated Sun Aug 09, 2026 12:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2054829620,56sleep00-21swapper/007:05:190
2157329236,45sleep10-21swapper/107:07:571
2195199726,15cyclictest0-21swapper/010:10:130
21951997140,26cyclictest503-21snmpd09:10:260
21957997015,10cyclictest24248-21/usr/sbin/munin10:15:201
2195199705,24cyclictest7777-21apt-get08:00:150
111302700,6chrt11131-21aten2.4_r3power09:40:190
21951996954,9cyclictest14-21ksoftirqd/011:00:230
21951996953,9cyclictest14-21ksoftirqd/010:05:000
21951996930,14cyclictest14-21ksoftirqd/008:50:010
21957996839,8cyclictest26-21ksoftirqd/109:01:531
21951996839,16cyclictest14-21ksoftirqd/012:15:170
21951996828,15cyclictest14-21ksoftirqd/007:40:010
21951996728,14cyclictest14-21ksoftirqd/009:00:000
21951996727,16cyclictest14-21ksoftirqd/012:05:000
21951996727,13cyclictest14-21ksoftirqd/008:15:010
2195799663,22cyclictest719-21cron09:10:001
21951996629,15cyclictest14-21ksoftirqd/009:25:000
21951996626,14cyclictest14-21ksoftirqd/010:20:010
21957996529,9cyclictest26-21ksoftirqd/110:38:111
21951996536,17cyclictest14-21ksoftirqd/012:34:320
21951996535,24cyclictest14-21ksoftirqd/012:25:340
21951996531,29cyclictest14-21ksoftirqd/009:10:020
21951996529,30cyclictest14-21ksoftirqd/007:10:130
21957996436,9cyclictest26-21ksoftirqd/110:24:441
21957996436,8cyclictest26-21ksoftirqd/110:04:501
21957996429,8cyclictest26-21ksoftirqd/111:30:211
21951996439,17cyclictest9513-21apt-get08:05:150
21951996433,26cyclictest14-21ksoftirqd/011:54:320
21951996432,26cyclictest14-21ksoftirqd/010:55:280
21951996429,15cyclictest14-21ksoftirqd/009:20:010
21951996343,15cyclictest14-21ksoftirqd/008:25:170
21951996335,17cyclictest14-21ksoftirqd/009:40:010
21951996333,18cyclictest14-21ksoftirqd/007:25:450
21951996332,25cyclictest14-21ksoftirqd/008:50:360
21951996325,15cyclictest14-21ksoftirqd/011:25:000
21951996325,14cyclictest14-21ksoftirqd/008:40:000
21951996325,14cyclictest14-21ksoftirqd/007:20:010
21957996238,10cyclictest4110-21/usr/sbin/munin12:20:271
21951996238,18cyclictest14-21ksoftirqd/010:50:120
21951996227,14cyclictest14-21ksoftirqd/010:40:000
21951996225,15cyclictest19670-21grep08:30:470
21951996137,18cyclictest14-21ksoftirqd/011:55:280
21951996137,18cyclictest14-21ksoftirqd/011:55:280
21951996137,18cyclictest14-21ksoftirqd/010:45:000
21951996137,18cyclictest14-21ksoftirqd/009:25:120
21951996136,18cyclictest14-21ksoftirqd/011:30:360
21951996134,21cyclictest14-21ksoftirqd/010:20:350
21951996124,14cyclictest23201-21grep08:40:360
21951996124,14cyclictest14-21ksoftirqd/011:30:010
21951996123,16cyclictest14-21ksoftirqd/010:00:010
21951996122,15cyclictest14-21ksoftirqd/011:40:010
21957996036,9cyclictest26-21ksoftirqd/112:38:331
21957996036,9cyclictest26-21ksoftirqd/109:22:131
21957996036,9cyclictest26-21ksoftirqd/108:25:231
21957996036,9cyclictest26-21ksoftirqd/107:46:241
21957996035,9cyclictest26-21ksoftirqd/107:14:331
2195199607,15cyclictest26050-21apt-get07:20:150
21951996045,10cyclictest14-21ksoftirqd/007:55:240
21951996037,17cyclictest14-21ksoftirqd/007:50:210
21951996036,19cyclictest14-21ksoftirqd/012:10:110
21951996036,19cyclictest14-21ksoftirqd/011:05:220
21951996036,18cyclictest14-21ksoftirqd/010:35:010
21951996036,17cyclictest14-21ksoftirqd/010:45:150
21951996035,19cyclictest14-21ksoftirqd/008:15:350
21951996029,27cyclictest14-21ksoftirqd/010:07:190
21951996025,13cyclictest14-21ksoftirqd/012:40:010
21951996024,14cyclictest14-21ksoftirqd/011:20:000
21957995938,8cyclictest26-21ksoftirqd/111:14:431
21957995935,9cyclictest26-21ksoftirqd/112:10:271
21957995932,14cyclictest26-21ksoftirqd/110:41:451
21957995930,17cyclictest562-21runrttasks07:30:151
21957995926,28cyclictest26-21ksoftirqd/112:30:001
21951995937,17cyclictest14-21ksoftirqd/007:43:370
21951995936,18cyclictest14-21ksoftirqd/011:40:210
21951995936,18cyclictest14-21ksoftirqd/009:46:240
21951995936,18cyclictest14-21ksoftirqd/009:00:250
21951995936,17cyclictest14-21ksoftirqd/010:25:120
21951995935,19cyclictest14-21ksoftirqd/012:10:010
21951995935,18cyclictest14-21ksoftirqd/009:35:000
21951995930,17cyclictest14-21ksoftirqd/008:21:070
21951995920,16cyclictest14-21ksoftirqd/007:31:400
2195799585,49cyclictest0-21swapper/108:03:071
21957995843,10cyclictest0-21swapper/110:25:091
21957995842,11cyclictest0-21swapper/111:00:361
2195799584,19cyclictest22847-21cstates11:40:191
21957995839,11cyclictest26-21ksoftirqd/109:55:241
21957995836,8cyclictest26-21ksoftirqd/110:30:121
21957995835,9cyclictest26-21ksoftirqd/109:45:301
21957995835,9cyclictest26-21ksoftirqd/108:40:271
21957995835,9cyclictest26-21ksoftirqd/108:10:281
21957995835,8cyclictest26-21ksoftirqd/108:19:411
21957995835,10cyclictest26-21ksoftirqd/107:51:211
21957995834,8cyclictest26-21ksoftirqd/111:49:551
21957995834,8cyclictest26-21ksoftirqd/110:55:081
21957995834,11cyclictest26-21ksoftirqd/108:07:571
21957995834,10cyclictest26-21ksoftirqd/109:11:381
21957995833,9cyclictest26-21ksoftirqd/112:00:351
21957995833,10cyclictest20321-21/usr/sbin/munin08:35:291
21957995832,9cyclictest26-21ksoftirqd/109:25:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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