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2025-11-22 - 21:46
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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 Sat Nov 22, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
357422090,7sleep03570-21wget07:05:150
464099137113,15cyclictest0-21swapper/007:10:040
46409910863,27cyclictest101ktimersoftd/011:12:110
46409910475,12cyclictest101ktimersoftd/007:17:050
46409910243,42cyclictest10250irq/56-4a10000009:26:070
4640999972,10cyclictest101ktimersoftd/012:20:360
4640999969,13cyclictest101ktimersoftd/011:57:110
4640999954,27cyclictest101ktimersoftd/008:37:080
4640999939,27cyclictest10250irq/56-4a10000010:01:200
4640999872,11cyclictest101ktimersoftd/012:30:380
4640999855,25cyclictest101ktimersoftd/010:57:140
246742985,12sleep024737-21/usr/sbin/munin10:35:450
4640998951,21cyclictest0-21swapper/009:45:250
4640998949,26cyclictest101ktimersoftd/009:55:260
4640998944,29cyclictest3650irq/20-4900000007:55:130
4640998939,39cyclictest11208-21runrttasks07:35:320
4640998930,45cyclictest10250irq/56-4a10000011:46:310
4640998925,31cyclictest101ktimersoftd/007:30:420
4640998849,23cyclictest101ktimersoftd/010:15:180
4640998759,11cyclictest101ktimersoftd/008:25:420
4640998743,17cyclictest12528-21apt-key11:50:180
4640998716,22cyclictest1356-21snmpd08:16:500
4640998711,37cyclictest32301-21users08:55:530
4640998644,26cyclictest101ktimersoftd/010:40:120
4640998556,12cyclictest101ktimersoftd/012:17:100
4640998555,14cyclictest10150irq/55-4a10000007:40:260
4640998535,34cyclictest8888-21sshd07:25:410
4640998529,41cyclictest101ktimersoftd/010:47:130
4640998525,15cyclictest2966-21seq09:10:030
4640998444,27cyclictest101ktimersoftd/008:48:380
4640998439,30cyclictest6737-21runrttasks11:27:560
4640998432,13cyclictest1531-21munin-node11:05:130
464099839,21cyclictest20910-21ntp_states10:20:420
4640998345,22cyclictest101ktimersoftd/008:05:330
4640998340,26cyclictest3650irq/20-4900000009:40:390
4640998310,39cyclictest24468-21ntp_states12:35:410
4640998246,24cyclictest101ktimersoftd/011:35:410
4640998236,32cyclictest101ktimersoftd/009:50:480
4640998235,30cyclictest101ktimersoftd/010:05:400
4640998234,15cyclictest10250irq/56-4a10000007:24:390
4640998220,16cyclictest29877-21latency_hist10:55:100
464099817,20cyclictest8262-21diskstats09:30:360
4640998154,11cyclictest101ktimersoftd/011:17:100
464099805,63cyclictest172662sleep012:06:130
4640998054,16cyclictest10414-21seq09:40:020
464099804,58cyclictest1424-21nginx09:19:590
4640998034,29cyclictest1336-21runrttasks11:44:270
464099796,18cyclictest1356-21snmpd08:54:250
4640997959,12cyclictest101ktimersoftd/010:30:190
4640997954,10cyclictest101ktimersoftd/008:30:430
4640997948,14cyclictest10150irq/55-4a10000008:00:410
4640997938,33cyclictest10250irq/56-4a10000012:25:370
4640997933,31cyclictest101ktimersoftd/011:00:170
4640997913,32cyclictest1356-21snmpd09:23:510
4640997854,9cyclictest101ktimersoftd/012:10:210
4640997849,13cyclictest10150irq/55-4a10000011:20:260
4640997847,14cyclictest10150irq/55-4a10000010:25:430
4640997826,33cyclictest3425-21sshd09:10:550
4640997711,47cyclictest20672-21sshd08:10:460
464099768,16cyclictest13674-21diskstats07:45:240
4640997657,11cyclictest101ktimersoftd/008:40:260
4640997652,16cyclictest8293-21cat11:35:040
4640997651,15cyclictest16091-21journal-offline12:01:430
4640997649,12cyclictest101ktimersoftd/009:00:420
4640997556,11cyclictest101ktimersoftd/010:10:290
4640997528,32cyclictest10250irq/56-4a10000008:24:460
4640997448,17cyclictest14875-21/usr/sbin/munin07:50:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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