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2026-03-27 - 16:24
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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
Characteristics of the 100 highest latencies:
System rack5slot1.osadl.org (updated Fri Mar 27, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
90239840,0EcMasterDemoSyn91529tAtEmLog_010:15:095
2929439840,0EcMasterDemoSyn2930429tAtEmLog_011:05:525
3218839830,0EcMasterDemoSyn3219829tAtEmLog_012:37:095
3213639830,0EcMasterDemoSyn3214629tAtEmLog_008:43:525
2854039830,0EcMasterDemoSyn2855029tAtEmLog_007:27:495
2029839830,0EcMasterDemoSyn2030829tAtEmLog_008:18:315
587939820,0EcMasterDemoSyn588929tAtEmLog_009:24:265
2740039820,0EcMasterDemoSyn2741029tAtEmLog_008:33:445
1557139820,0EcMasterDemoSyn1558129tAtEmLog_008:08:235
582139810,0EcMasterDemoSyn583129tAtEmLog_007:48:065
2819839810,0EcMasterDemoSyn2820829tAtEmLog_012:16:515
209852410,1sleep120986-21ssh10:44:031
19068992522,2cyclictest974-21kworker/2:2+events12:11:462
1905999230,14cyclictest27877-21cut10:30:010
1905999221,9cyclictest1292-21sh12:02:180
2314599210,11tDemoTimingTask23159-21chrt12:32:045
1905999216,7cyclictest32420-21sh10:50:150
1905999210,9cyclictest12567-21sh10:20:430
1905999210,14cyclictest19601-21ssh10:07:050
1905999205,7cyclictest12875-21/usr/sbin/munin09:45:230
1905999201,9cyclictest16363-21sh10:40:400
1905999200,9cyclictest17998-21cpuspeed_turbos11:00:110
1905999200,9cyclictest11950-21sh12:25:310
1905999200,7cyclictest28603-21readlink12:00:010
1905999200,7cyclictest27461-21latency_hist12:35:010
1905999200,7cyclictest2665-21ssh11:27:190
1905999200,12cyclictest27726-21sh09:54:200
1905999200,11cyclictest10418-21sh10:37:550
1905999196,6cyclictest19395-21sh09:14:030
1905999194,8cyclictest28348-21sshd12:35:130
1905999194,7cyclictest12043-21ssh09:27:240
1905999191,9cyclictest780-21runrttasks09:37:460
1905999190,9cyclictest32315-21sh09:55:570
1905999190,9cyclictest29365-21runrttasks11:05:550
1905999190,9cyclictest18688-21sh11:35:540
1905999190,9cyclictest11689-21diskmemload11:32:060
1905999190,9cyclictest10189-21sh11:13:500
1905999190,8cyclictest8527-21sh10:00:360
1905999190,8cyclictest8527-21sh10:00:360
1905999190,8cyclictest7817-21sh10:18:470
1905999190,8cyclictest29666-21sh12:17:530
1905999190,8cyclictest26581-21sh09:17:400
1905999190,8cyclictest17249-21diskmemload11:53:370
1905999190,7cyclictest8195-21ssh11:48:360
1905999190,7cyclictest14016-21chrt12:09:440
1905999190,7cyclictest14016-21chrt12:09:430
1905999190,6cyclictest18677-21ssh11:18:290
1905999190,6cyclictest16945-21fschecks_time09:30:150
1905999190,12cyclictest780-21runrttasks07:50:320
1905999190,12cyclictest26457-21sh11:22:340
1905999190,11cyclictest26902-21unixbench_multi11:40:230
1905999190,10cyclictest5581-21head08:55:150
1905999190,10cyclictest31106-21latency_hist07:35:000
17852190,0sleep10-21swapper/111:26:411
1905999185,6cyclictest174-1kworker/0:1H+kblockd10:55:140
1905999185,5cyclictest29446-21/usr/sbin/munin10:30:190
1905999184,6cyclictest32478-21cut08:45:010
1905999184,6cyclictest26015-21fschecks_time08:30:160
1905999184,6cyclictest20610-21grep07:10:180
1905999183,7cyclictest174-1kworker/0:1H+kblockd07:59:250
1905999183,6cyclictest18943-21fschecks_time08:15:140
1905999181,7cyclictest3104-21missed_timers09:40:170
1905999180,9cyclictest21710-21sh12:13:500
1905999180,9cyclictest1485-21gltestperf12:20:140
1905999180,9cyclictest1223-21ntp_offset08:45:170
1905999180,8cyclictest4402-21cut07:45:130
1905999180,8cyclictest4350-21runrttasks08:52:540
1905999180,8cyclictest25352-21missed_timers10:10:190
1905999180,8cyclictest24964-21runrttasks08:27:460
1905999180,8cyclictest22748-21diskmemload10:45:040
1905999180,7cyclictest18101-21munin-run08:15:000
1905999180,6cyclictest1071-21taskset07:38:040
1905999180,6cyclictest1041-21ssh09:21:050
1905999180,10cyclictest11649-21expr08:00:110
848899170,15tDemoTimingTask8974-21chrt07:55:125
506799170,10tDemoTimingTask5072-21chrt11:46:265
2853799170,8tDemoTimingTask920-21taskset09:56:415
2414429170,10tAtEmLog_032679-21chrt10:14:555
2027799170,7tDemoTimingTask26190-21chrt10:28:575
1907199171,9cyclictest24876-21ssh11:21:273
1905999174,6cyclictest27317-21expr07:25:150
1905999170,9cyclictest24618-21cpuspeed_turbos07:20:120
1905999170,8cyclictest9676-21wget09:05:110
1905999170,8cyclictest22931-21needreboot07:15:170
1905999170,8cyclictest21536-21kernelversion08:20:150
1905999170,7cyclictest174-1kworker/0:1H+kblockd08:05:280
1905999170,10cyclictest174-1kworker/0:1H+kblockd07:44:570
1404499171,9tDemoTimingTask14173-21chrt12:27:045
99499160,9tDemoTimingTask1008-21chrt11:26:105
848899160,14tDemoTimingTask8593-21chrt07:54:125
562199160,7tDemoTimingTask12918-21taskset10:03:415
562199160,7tDemoTimingTask12918-21taskset10:03:415
2973729160,7tAtEmLog_0529-21chrt10:32:235
2741199160,9tDemoTimingTask27831-21taskset08:35:015
2422829160,9tAtEmLog_015791-21sleep09:34:565
2145299160,9tDemoTimingTask21483-21chrt07:12:405
2017599160,10tDemoTimingTask20291-21taskset11:00:515
1907599160,9cyclictest13021-21sh11:50:394
1907599160,7cyclictest1180850latency_hist11:15:004
19071991612,3cyclictest11022-21idleruntime-cro08:00:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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