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2026-05-20 - 05:56
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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 May 19, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2400327780,13sleep023964-21latency_hist07:10:010
2401999124101,13cyclictest0-21swapper/007:10:030
240199911152,39cyclictest9158-21/usr/sbin/munin12:30:280
240199910770,23cyclictest101ktimersoftd/007:15:390
12198210321,14sleep0101ktimersoftd/008:30:180
24019999759,23cyclictest101ktimersoftd/010:22:100
24019999755,22cyclictest0-21swapper/011:56:380
223822975,11sleep022412-21ps09:10:440
24019999569,11cyclictest101ktimersoftd/007:50:290
24019999437,41cyclictest10150irq/55-4a10000012:12:120
24019999270,11cyclictest101ktimersoftd/008:10:380
24019999265,14cyclictest101ktimersoftd/009:25:510
24019999230,31cyclictest101ktimersoftd/010:00:310
2401999917,32cyclictest1305-21snmpd08:47:010
24019999154,24cyclictest101ktimersoftd/007:45:120
24019999151,25cyclictest101ktimersoftd/011:30:260
24019999147,29cyclictest101ktimersoftd/008:40:180
24019999145,30cyclictest3650irq/20-4900000009:47:100
24019999038,34cyclictest4747-21runrttasks08:00:220
24019998950,28cyclictest0-21swapper/010:45:060
24019998929,22cyclictest31464-21systemctl07:40:010
24019998840,32cyclictest101ktimersoftd/008:17:080
24019998744,30cyclictest0-21swapper/008:20:070
24019998739,31cyclictest10250irq/56-4a10000011:49:270
24019998714,36cyclictest29293-21df_inode07:30:200
24019998648,23cyclictest101ktimersoftd/009:00:330
24019998647,20cyclictest0-21swapper/010:11:110
24019998645,27cyclictest101ktimersoftd/010:41:430
24019998642,28cyclictest101ktimersoftd/007:42:120
24019998637,16cyclictest10250irq/56-4a10000011:44:260
24019998635,34cyclictest101ktimersoftd/010:17:060
24019998555,16cyclictest28698-21runrttasks09:35:430
24019998512,36cyclictest32517-21df_inode09:50:190
24019998448,25cyclictest0-21swapper/007:55:230
24019998438,29cyclictest1276-21runrttasks12:35:270
24019998422,34cyclictest16936-21wget10:55:160
24019998412,20cyclictest11004-21fw_packets08:25:280
24019998357,10cyclictest101ktimersoftd/007:20:120
24019998345,27cyclictest0-21swapper/011:05:190
24019998339,28cyclictest23385-21seq11:20:260
24019998339,28cyclictest10250irq/56-4a10000008:05:140
24019998334,37cyclictest0-21swapper/009:55:310
24019998333,40cyclictest787-21haveged08:55:000
24019998324,26cyclictest28190-21/usr/sbin/munin07:25:340
2401999828,36cyclictest1305-21snmpd10:51:230
24019998248,17cyclictest11577-21wget10:35:170
24019998244,29cyclictest0-21swapper/012:25:130
24019998136,37cyclictest3949-21runrttasks10:05:330
24019998136,32cyclictest27254-21irqstats09:30:300
24019998121,42cyclictest1408-21nginx11:15:040
24019998118,29cyclictest787-21haveged08:40:030
24019998110,19cyclictest1312-21sshd12:00:430
24019998055,10cyclictest101ktimersoftd/012:15:270
24019998054,11cyclictest101ktimersoftd/011:25:560
24019998049,16cyclictest2256-21cat12:05:350
24019998046,24cyclictest9194-21runrttasks10:25:150
24019998031,39cyclictest31549-21runrttasks11:53:590
24019998031,35cyclictest297002sleep009:40:300
24019997954,14cyclictest101ktimersoftd/009:17:090
24019997927,35cyclictest7209-21latency_hist12:25:020
24019997911,49cyclictest27157-21netstat11:35:340
24019997850,11cyclictest101ktimersoftd/010:30:190
24019997827,35cyclictest247202sleep009:20:270
24019997748,14cyclictest10150irq/55-4a10000011:10:220
2401999768,15cyclictest18431-21diskstats08:55:240
24019997555,12cyclictest101ktimersoftd/011:00:200
24019997554,13cyclictest101ktimersoftd/009:05:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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