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2026-04-11 - 07:14
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack7slot2.osadl.org (updated Sat Apr 11, 2026 00:44:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
909952998677,6cyclictest1012993-21kworker/u4:8+events_unbound22:32:361
909952997770,4cyclictest0-21swapper/123:40:321
909952997671,3cyclictest933033-21kworker/u4:4+events_unbound21:22:241
90995299661,59cyclictest1037404-21ssh23:00:121
909952996554,8cyclictest912311-21systemd19:16:581
909952996457,5cyclictest943053-21kworker/u4:11+events_unbound21:12:221
909952996335,26cyclictest1008044-21wc22:25:401
909952996333,27cyclictest0-21swapper/100:15:401
909952996331,26cyclictest0-21swapper/121:15:211
90995299625,50cyclictest1059798-21memory23:25:221
909952996236,24cyclictest932200-21fschecks_count20:35:181
909951996217,37cyclictest53-21kswapd000:05:070
909952996132,26cyclictest0-21swapper/123:55:271
909952996132,26cyclictest0-21swapper/123:55:271
909952996131,27cyclictest0-21swapper/122:05:011
909952996130,29cyclictest981186-21netstat21:55:221
90995299612,56cyclictest1002473-21apt-get22:20:151
90995299612,53cyclictest1068671-21ssh23:35:331
90995299612,52cyclictest1029392-21ld22:50:261
90995299612,51cyclictest1111096-21apt-get00:25:121
909951996142,16cyclictest1071863-21munin-run23:40:000
90995299609,47cyclictest999055-21sh22:15:381
90995299605,48cyclictest1099229-21ssh00:10:391
909952996043,11cyclictest0-21swapper/100:35:281
909952996027,30cyclictest1052889-21kworker/u4:2+rpciod23:17:461
909952996026,32cyclictest925290-21latency_hist20:10:011
909951996051,6cyclictest1039592-21kworker/u4:1+events_unbound23:30:010
909951996043,12cyclictest927831-21kworker/u4:17+xprtiod21:10:100
909952995949,7cyclictest1039592-21kworker/u4:1+events_unbound23:12:461
90995299594,50cyclictest1055522-21ssh23:20:241
909952995942,11cyclictest0-21swapper/100:10:001
909952995927,30cyclictest0-21swapper/121:45:191
909951995955,2cyclictest0-21swapper/021:40:340
909951995951,6cyclictest908580-21kworker/u4:10+events_unbound19:55:000
90995299585,49cyclictest1077409-21ssh23:45:361
909952995849,6cyclictest927832-21kworker/u4:18+events_unbound20:30:011
909952995825,31cyclictest0-21swapper/123:50:311
90995299581,50cyclictest1107514-21ssh00:20:291
909951995846,9cyclictest950245-21fschecks_time21:20:200
90995299576,34cyclictest940752-21diskmemload21:54:131
90995299573,52cyclictest926756-21apt-get20:15:211
90995299573,50cyclictest1064247-21ntpq23:30:291
90995299573,49cyclictest1033773-21ssh22:55:271
909952995729,25cyclictest1026332-21kworker/u4:4-rpciod23:06:211
909952995726,28cyclictest930493-21kworker/u4:0-rpciod21:00:011
909952995725,29cyclictest0-21swapper/122:45:011
90995299572,50cyclictest968265-21ssh21:40:321
90995299572,50cyclictest1090756-21ssh00:00:411
90995299571,51cyclictest993930-21ssh22:10:151
90995299571,51cyclictest993930-21ssh22:10:151
909951995749,6cyclictest1098742-21/usr/sbin/munin00:10:240
909952995644,9cyclictest940708-21systemd21:07:201
909952995628,25cyclictest0-21swapper/122:45:391
909952995627,27cyclictest0-21swapper/121:25:401
909952995625,28cyclictest0-21swapper/121:35:191
90995299562,49cyclictest936341-21ntpq20:50:221
909952995624,29cyclictest53-21kswapd000:30:111
90995299553,47cyclictest938942-21grep21:00:251
90995299552,49cyclictest991749-21ssh22:07:221
90995299552,49cyclictest931340-21ntpq20:30:321
90995299552,49cyclictest1015498-21ssh22:35:071
90995299552,46cyclictest918931-21apt-get19:45:151
90995299552,46cyclictest918931-21apt-get19:45:151
90995299551,50cyclictest960461-21ssh21:31:261
90995299551,50cyclictest925957-21ntpq20:10:281
909951995548,5cyclictest949572-21munin-run21:20:010
909951995548,5cyclictest909950-21cyclictest00:18:260
909951995548,5cyclictest1106946-21/usr/sbin/munin00:20:160
909951995536,17cyclictest1019637-21ssh22:40:000
90995299542,47cyclictest914433-21ntpq19:25:291
909952995342,9cyclictest933959-21ps20:40:351
909952995329,21cyclictest0-21swapper/119:30:251
90995299532,46cyclictest928732-21ntpq20:20:331
90995299532,43cyclictest918248-21ntpq19:40:271
90995299531,49cyclictest916949-21ntpq19:35:281
90995299531,49cyclictest916949-21ntpq19:35:281
909951995346,5cyclictest986044-21ssh22:00:420
909951995346,5cyclictest1051315-21gcc23:15:320
909951995340,9cyclictest1111083-21/usr/sbin/munin00:25:110
909951995339,8cyclictest1055489-21ntpq23:20:230
90995299523,43cyclictest921470-21apt-get19:55:141
90995299521,48cyclictest923349-21ntpq20:00:261
909951995223,4cyclictest151ktimers/000:00:300
909952995127,21cyclictest0-21swapper/119:50:211
90995299511,48cyclictest935120-21ntpq20:45:271
90995299511,47cyclictest910566-21ntpq19:10:271
90995199518,11cyclictest1072147-21apt-get23:40:130
909951995138,8cyclictest1120083-21fschecks_count00:35:190
909951995132,5cyclictest0-21swapper/022:20:010
90995299501,46cyclictest913087-21ntpq19:20:221
909951994941,6cyclictest315-21systemd-journal22:07:320
909951994941,5cyclictest973055-21grep21:45:400
909951994941,5cyclictest925502-21aten_r7power_po20:10:200
909951994940,7cyclictest53-21kswapd021:55:010
909951994940,6cyclictest1067517-21kworker/u4:223:35:000
90995199493,7cyclictest984710-21ssh22:00:010
909951994927,19cyclictest926473-21kworker/u4:13+rpciod20:35:000
909951994841,6cyclictest1004759-21kworker/u4:12+events_unbound23:03:000
909951994837,6cyclictest1007008-21aten_r7power_po22:25:170
909951994740,5cyclictest1028380-21ssh22:50:000
909951994740,5cyclictest1020445-21gltestperf22:40:190
909951994738,6cyclictest914952-21grep19:30:000
909951994737,7cyclictest954395-21aten_r7power_po21:25:160
909951994737,7cyclictest1078689-21kworker/u4:6+rpciod23:55:340
909951994737,7cyclictest1078689-21kworker/u4:6+rpciod23:55:340
909951994639,5cyclictest959219-21/usr/sbin/munin21:30:230
909951994639,5cyclictest504-21ntpd22:25:010
909951994639,5cyclictest1037138-21ssh23:00:010
909951994639,4cyclictest932350-21tail20:35:190
909951994635,6cyclictest0-21swapper/023:05:320
909951994539,4cyclictest1029512-21ssh22:50:320
909951994538,5cyclictest1076629-21cut23:45:160
909951994535,8cyclictest934372-21munin-run20:45:000
909951994437,5cyclictest1011208-21acpi22:30:110
909951994436,6cyclictest1062-21lldpd19:19:420
909951994436,5cyclictest987008-21kworker/u4:9-rpciod22:10:260
909951994436,5cyclictest987008-21kworker/u4:9-rpciod22:10:260
909951994435,7cyclictest963171-21aten_r7power_vo21:35:160
909951994435,7cyclictest916470-21aten_r7power_po19:35:170
909951994435,7cyclictest916470-21aten_r7power_po19:35:170
909951994336,5cyclictest915284-21sed19:30:140
909951994335,6cyclictest923884-21munin-plugin-st20:05:000
909951994335,6cyclictest917775-21aten_r7power_vo19:40:160
909951994334,7cyclictest926895-21aten_r7power_vo20:15:220
909951994334,7cyclictest910106-21aten_r7power_vo19:10:150
909951994334,6cyclictest938188-21munin-run21:00:000
909951994334,6cyclictest934623-21aten_r7power_po20:45:150
909951994332,7cyclictest0-21swapper/000:30:130
909951994324,12cyclictest925116-21kworker/u4:9-rpciod20:10:010
909951994235,5cyclictest925115-21kworker/u4:7-writeback20:25:120
909951994234,6cyclictest940758-21/usr/sbin/munin21:10:010
909951994233,7cyclictest938398-21aten2__21:00:150
909951994233,6cyclictest919918-21unixbench_multi19:45:380
909951994233,6cyclictest919918-21unixbench_multi19:45:380
909951994232,8cyclictest1046346-21cpu23:10:170
90995199423,16cyclictest1080804-21apt-get23:50:120
909951994134,5cyclictest927832-21kworker/u4:18-rpciod20:20:150
909951994033,5cyclictest912575-21aten2__19:20:140
909951993932,5cyclictest935831-21aten2__20:50:140
909951993729,5cyclictest917438-21kworker/u4:11+rpciod19:55:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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