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2026-07-09 - 06:22
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Wed Jul 08, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31995220328,49sleep00-21swapper/007:09:420
161521105,13sleep01618-21/usr/sbin/munin07:15:260
748621065,11sleep07551-21cpu11:50:190
3129421054,11sleep01305-21snmpd11:18:550
2719221058,11sleep027194-21users11:00:510
366521045,12sleep03661-21ntp_states11:35:440
1477221036,82sleep014775-21df10:15:180
2808121008,11sleep0101ktimersoftd/009:00:460
240552996,82sleep024057-21fw_conntrack08:45:240
204652998,78sleep020472-21ntp_states08:30:350
205902975,11sleep019841-21apt-get10:35:360
323582955,12sleep031161-21apt-get09:16:330
32110999146,29cyclictest3650irq/20-4900000012:27:120
32110999133,41cyclictest0-21swapper/008:22:010
32110999035,35cyclictest801-21dbus-daemon12:30:510
32110998954,23cyclictest101ktimersoftd/011:10:400
32110998951,25cyclictest101ktimersoftd/008:10:180
32110998946,10cyclictest101ktimersoftd/007:11:270
32110998834,18cyclictest4365-21proc_pri07:25:450
32110998745,28cyclictest3650irq/20-4900000011:32:110
32110998744,29cyclictest3650irq/20-4900000009:32:120
32110998657,14cyclictest29768-21seq09:08:470
32110998654,20cyclictest5232-21/usr/sbin/munin11:40:560
32110998642,30cyclictest3650irq/20-4900000010:40:230
21622866,67sleep02163-21ntp_states09:25:410
62062856,68sleep0101ktimersoftd/009:40:350
32110998565,12cyclictest101ktimersoftd/007:55:190
32110998544,26cyclictest101ktimersoftd/008:00:320
191652855,10sleep00-21swapper/008:25:350
32110998421,29cyclictest787-21haveged12:15:050
3211099838,38cyclictest24988-21sshd10:53:140
32110998257,11cyclictest101ktimersoftd/008:15:430
32110998239,28cyclictest10250irq/56-4a10000009:55:150
32110998236,30cyclictest3650irq/20-4900000008:55:230
32110998231,16cyclictest25283-21entropy08:50:220
32110998163,10cyclictest101ktimersoftd/009:35:390
32110998145,27cyclictest0-21swapper/012:20:330
32110998132,30cyclictest13425-21wget10:10:130
32110998122,16cyclictest28938-21latency_hist11:10:050
32110998052,13cyclictest10150irq/55-4a10000009:10:380
32110998051,14cyclictest10150irq/55-4a10000007:35:390
32110998037,29cyclictest3650irq/20-4900000010:20:330
32110998031,32cyclictest802-21in:imuxsock11:47:150
32110998028,33cyclictest802-21in:imuxsock08:05:130
32110997950,14cyclictest10150irq/55-4a10000007:41:020
32110997922,29cyclictest101ktimersoftd/009:50:030
32110997853,17cyclictest11093-21sshd10:00:230
32110997849,14cyclictest10150irq/55-4a10000011:55:370
32110997848,14cyclictest10150irq/55-4a10000010:25:310
32110997847,15cyclictest10150irq/55-4a10000010:45:330
32110997840,24cyclictest101ktimersoftd/010:55:180
3211099778,18cyclictest21534-21diskstats08:35:200
32110997750,15cyclictest14042-21/usr/sbin/munin12:15:430
32110997749,14cyclictest10150irq/55-4a10000007:20:170
32110997749,13cyclictest10150irq/55-4a10000011:25:340
32110997744,21cyclictest0-21swapper/012:38:000
32110997723,17cyclictest711-21fw_forwarded_lo09:20:260
3211099767,33cyclictest1305-21snmpd07:51:540
32110997649,10cyclictest0-21swapper/010:32:310
32110997648,13cyclictest10150irq/55-4a10000007:30:130
32110997646,14cyclictest10150irq/55-4a10000008:40:190
32110997646,14cyclictest10150irq/55-4a10000007:45:420
3211099756,16cyclictest10193-21/usr/sbin/munin12:00:320
32110997545,13cyclictest10150irq/55-4a10000011:24:360
32110997526,41cyclictest9493-21latency_hist09:55:030
32110997446,19cyclictest11352-21runrttasks12:05:230
32110997443,14cyclictest10150irq/55-4a10000010:05:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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