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2026-06-24 - 09:33
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Tue Jun 23, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19050219236,124sleep00-21swapper/007:08:320
192959911120,37cyclictest1245-21apt-get10:17:250
192959911086,14cyclictest124572sleep008:50:220
192959910425,59cyclictest1408-21nginx11:55:050
192959910340,44cyclictest1408-21nginx07:19:170
192959910039,40cyclictest14669-21wget11:05:140
19295999921,23cyclictest4856-21apt-get12:30:460
19295999871,16cyclictest4272-21dmidecode12:26:590
19295999710,57cyclictest17889-1kworker/0:3H09:27:110
19295999654,26cyclictest101ktimersoftd/009:20:410
19295999625,34cyclictest476-21sshd08:01:390
19295999622,53cyclictest20101-21df11:25:230
19295999621,38cyclictest2904-21apt-get10:21:420
19295999620,38cyclictest15156-21chrt09:00:420
19295999552,27cyclictest101ktimersoftd/011:55:500
19295999537,39cyclictest0-21swapper/009:11:190
19295999525,33cyclictest8716-21df_inode08:35:200
19295999521,56cyclictest805-21rs:main0
19295999430,27cyclictest0-21swapper/011:00:210
19295999423,38cyclictest1305-21snmpd12:17:090
1929599939,28cyclictest25488-21apt-get07:37:090
19295999347,35cyclictest26691-21sshd09:45:360
19295999335,40cyclictest0-21swapper/007:20:530
19295999327,26cyclictest6973-21ntpq12:35:380
19295999322,32cyclictest7508-21fw_conntrack08:30:240
19295999322,18cyclictest2355-21fw_forwarded_lo12:20:470
19295999319,34cyclictest22466-21/usr/sbin/munin11:35:120
19295999259,15cyclictest31918-21sshd07:58:390
19295999236,42cyclictest12208-21wget10:55:210
19295999222,52cyclictest1305-21snmpd11:31:580
19295999218,37cyclictest6105-21aten_r7power_po08:25:150
19295999135,35cyclictest24617-21if_err_eth007:30:290
19295999130,46cyclictest18498-21wget09:15:120
19295999122,52cyclictest1346-21runrttasks10:15:070
19295999117,36cyclictest27446-21df_inode07:40:180
19295999046,33cyclictest2347-21sshd08:10:130
19295999034,37cyclictest0-21swapper/012:02:050
19295998965,11cyclictest101ktimersoftd/009:51:310
19295998925,23cyclictest25197-21fw_forwarded_lo11:45:270
19295998919,52cyclictest23738-21hostname11:40:140
19295998842,36cyclictest25494-21ntp_states09:40:400
19295998839,33cyclictest3650irq/20-4900000010:40:500
19295998829,42cyclictest7340-21diskstats10:35:210
19295998827,20cyclictest13723-21fw_conntrack08:55:250
19295998823,45cyclictest1305-21snmpd10:50:410
121892880,8sleep012188-21latency_hist08:50:020
19295998762,10cyclictest101ktimersoftd/007:25:540
19295998755,21cyclictest4312-21runrttasks08:17:070
19295998722,48cyclictest1305-21snmpd07:10:450
19295998647,10cyclictest101ktimersoftd/010:45:400
19295998644,32cyclictest1408-21nginx08:08:450
19295998621,44cyclictest28929-21proc_pri07:45:420
19295998556,20cyclictest5270-21seq10:25:500
19295998546,25cyclictest101ktimersoftd/012:10:270
19295998539,35cyclictest30277-21df_inode10:00:180
19295998538,36cyclictest19498-21http11:25:050
19295998535,34cyclictest3650irq/20-4900000008:20:230
19295998526,42cyclictest0-21swapper/010:06:350
19295998526,19cyclictest6088-21df10:30:190
19295998521,49cyclictest23270-21seq09:31:070
19295998517,49cyclictest9857-21wget08:40:110
19295998516,18cyclictest16034-21df11:10:160
19295998459,10cyclictest101ktimersoftd/009:05:160
19295998326,38cyclictest1-21systemd07:53:380
19295998314,35cyclictest29952-21munin-run10:00:020
19295998239,32cyclictest24146-21irqstats09:35:300
19295998221,27cyclictest18225-21latency_hist11:20:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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