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2026-04-05 - 13:47
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Sat Apr 04, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20879222734,59sleep00-21swapper/007:09:200
2129521006,12sleep021298-21df07:10:180
210219910033,33cyclictest101ktimersoftd/007:50:460
21021999951,13cyclictest10150irq/55-4a10000012:30:370
21021999756,26cyclictest101ktimersoftd/012:25:400
21021999655,25cyclictest101ktimersoftd/009:22:140
263032956,12sleep026304-21diskstats07:30:220
2102199958,49cyclictest30888-21ntp_states12:01:130
21021999537,39cyclictest0-21swapper/011:36:060
21021999245,30cyclictest27924-21grep11:50:330
21021999239,35cyclictest15772-21runrttasks11:01:130
21021999230,49cyclictest5892-21apt-get10:27:120
21021999163,12cyclictest101ktimersoftd/011:06:000
21021999045,30cyclictest3650irq/20-4900000009:20:020
21021998864,12cyclictest101ktimersoftd/010:10:400
21021998844,28cyclictest3650irq/20-4900000010:30:250
21021998841,15cyclictest10250irq/56-4a10000010:50:550
21021998743,29cyclictest3650irq/20-4900000009:37:110
21021998742,28cyclictest3650irq/20-4900000011:25:190
21021998642,29cyclictest3650irq/20-4900000011:10:310
21021998642,28cyclictest26507-21df11:45:170
21021998641,30cyclictest3650irq/20-4900000009:05:180
21021998633,16cyclictest12416-21sshd08:43:160
21021998628,40cyclictest11392-21sendmail-msp08:40:020
21021998627,45cyclictest15393-21sshd08:55:170
21021998560,12cyclictest101ktimersoftd/010:15:430
21021998546,29cyclictest0-21swapper/010:40:110
21021998540,30cyclictest10250irq/56-4a10000008:20:140
21021998540,29cyclictest3650irq/20-4900000009:40:170
2102199848,41cyclictest29921-21/usr/sbin/munin12:00:050
21021998353,12cyclictest7252-21aten_r7power_po12:35:110
21021998344,24cyclictest101ktimersoftd/009:30:390
21021998339,30cyclictest29939-21cat09:50:280
21021998255,12cyclictest101ktimersoftd/011:17:030
21021998232,34cyclictest101ktimersoftd/012:17:120
21021998230,14cyclictest4243-21date12:25:040
21021998221,16cyclictest5136-21latency_hist08:15:030
21021998210,55cyclictest11999-21awk10:45:540
21021998162,11cyclictest101ktimersoftd/010:05:310
21021998156,12cyclictest101ktimersoftd/008:00:410
21021998152,13cyclictest10150irq/55-4a10000009:46:230
21021998149,14cyclictest10150irq/55-4a10000008:00:000
21021998130,33cyclictest8710-21runrttasks08:28:320
21021998061,11cyclictest101ktimersoftd/007:29:490
21021998055,10cyclictest101ktimersoftd/008:15:170
21021998054,10cyclictest101ktimersoftd/007:15:310
21021998048,22cyclictest12746-21/usr/sbin/munin08:45:120
21021998045,24cyclictest0-21swapper/009:10:220
21021998016,15cyclictest1305-21snmpd09:55:090
21021997960,11cyclictest101ktimersoftd/008:50:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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