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2026-06-03 - 09:59
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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 Tue Jun 02, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18184214470,10sleep018183-21/usr/sbin/munin07:05:120
193269917141,35cyclictest24898-21apt-config07:30:210
193269916429,36cyclictest3012-21grep12:25:120
193269916151,14cyclictest10150irq/55-4a10000011:15:430
193269915549,20cyclictest126642sleep008:50:140
193269915531,31cyclictest30040-21interrupts07:50:270
19326991498,30cyclictest31472-21systemd12:10:020
19326991488,15cyclictest7573-21apt08:30:010
193269914661,11cyclictest101ktimersoftd/007:25:300
19326991437,37cyclictest19597-21df07:10:180
7921211916,90sleep07912-21munin-run10:40:030
2695321159,93sleep026956-21df_inode09:45:200
28201211410,93sleep028199-21diskstats09:50:210
2857821055,88sleep028606-21aten_r7power_vo07:45:140
185921027,81sleep01862-21ntpq08:05:430
2450321015,83sleep024505-21fw_packets09:35:290
232142985,81sleep023217-21/usr/sbin/munin09:30:180
269482974,80sleep026965-21ntp_kernel_err11:50:340
100782975,82sleep010107-21latency_hist08:40:030
19326999649,31cyclictest3650irq/20-4900000011:32:140
57352935,77sleep05739-21/usr/sbin/munin10:30:210
19326999366,12cyclictest101ktimersoftd/008:41:110
19326999340,40cyclictest10250irq/56-4a10000007:15:190
199092926,75sleep019907-21fw_conntrack11:25:440
19326999244,32cyclictest3650irq/20-4900000007:57:130
225532915,11sleep021281-21apt-get09:27:050
19326999136,19cyclictest2869-21runrttasks10:19:320
19326999049,24cyclictest0-21swapper/011:11:290
19326998939,31cyclictest6200-21/usr/sbin/munin12:35:310
19326998843,31cyclictest19115-21runrttasks09:15:270
19326998843,30cyclictest3650irq/20-4900000011:47:140
19326998834,18cyclictest5141-21run-parts12:30:440
19326998723,29cyclictest787-21haveged08:25:020
19326998646,22cyclictest0-21swapper/009:00:590
275802855,69sleep027578-21irqstats07:40:320
19326998548,21cyclictest0-21swapper/009:11:010
19326998343,29cyclictest801-21dbus-daemon12:15:010
19326998337,31cyclictest101ktimersoftd/012:15:430
19326998322,15cyclictest383-21latency_hist10:10:040
19326998152,14cyclictest10150irq/55-4a10000009:05:300
19326998146,26cyclictest0-21swapper/011:35:150
19326998144,28cyclictest0-21swapper/009:21:090
19326998127,18cyclictest29572-21processes12:00:420
19326998117,28cyclictest787-21haveged11:05:030
19326998111,25cyclictest2020-21irqstats12:20:340
19326998051,18cyclictest11647-21/usr/sbin/munin08:45:240
19326998050,13cyclictest10150irq/55-4a10000011:06:210
19326998048,15cyclictest10150irq/55-4a10000010:20:450
19326998026,19cyclictest9278-21/usr/sbin/munin10:45:350
19326997953,13cyclictest10150irq/55-4a10000010:00:170
19326997951,20cyclictest416-21/usr/sbin/munin08:00:290
19326997951,13cyclictest10150irq/55-4a10000010:50:210
19326997950,13cyclictest10150irq/55-4a10000009:45:020
19326997948,14cyclictest10150irq/55-4a10000010:40:210
19326997947,14cyclictest10150irq/55-4a10000010:55:160
19326997926,16cyclictest24068-21memory11:40:330
1932699786,36cyclictest1305-21snmpd07:20:210
19326997851,18cyclictest26604-21/usr/sbin/munin07:35:480
19326997849,13cyclictest10150irq/55-4a10000010:12:040
19326997846,16cyclictest4029-21wget08:15:150
19326997843,26cyclictest0-21swapper/008:55:120
19326997739,27cyclictest29429-21df_inode09:55:200
19326997657,10cyclictest101ktimersoftd/011:55:180
19326997645,14cyclictest10150irq/55-4a10000011:20:490
19326997556,11cyclictest101ktimersoftd/008:10:500
19326997547,13cyclictest10150irq/55-4a10000010:25:110
19326997546,20cyclictest8085-21runrttasks08:30:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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