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2026-01-04 - 18:47
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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 highest latencies:
System rack7slot8.osadl.org (updated Sun Jan 04, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24441211380,11sleep024442-21mailstats07:05:330
251069910444,43cyclictest10250irq/56-4a10000011:00:420
251069910155,35cyclictest1272-21runrttasks07:41:300
25106999836,42cyclictest1408-21nginx09:04:410
25106999726,34cyclictest25043-21cron07:10:040
25106999670,19cyclictest781-21netstat11:55:340
25106999640,36cyclictest3666-21runrttasks12:05:460
25106999551,30cyclictest101ktimersoftd/011:05:350
25106999461,22cyclictest7082-21runrttasks08:05:230
25106999452,33cyclictest7177-21aten_r7power_en12:20:160
25106999430,45cyclictest1305-21snmpd07:55:170
25106999419,19cyclictest14219-21apt-get08:36:240
25106999348,32cyclictest0-21swapper/011:25:070
25106999346,34cyclictest24765-21systemctl11:20:470
25106999329,21cyclictest5022-21ntp_states12:10:430
25106999319,20cyclictest9562-21diskstats08:15:240
25106999230,47cyclictest10863-21fw_forwarded_lo08:20:300
25106999230,42cyclictest28823-21latency_hist07:25:030
25106999220,34cyclictest20104-21seq08:55:420
25106999155,28cyclictest1305-21snmpd07:45:130
25106999150,27cyclictest101ktimersoftd/009:11:530
25106999148,31cyclictest27294-21runrttasks11:30:510
25106999119,34cyclictest26661-21memory09:20:350
25106999047,32cyclictest13672-21runrttasks10:39:390
25106999021,33cyclictest25475-21ntp_states09:15:440
25106998924,45cyclictest1305-21snmpd07:50:160
25106998916,55cyclictest8569-21df12:25:230
25106998844,29cyclictest3650irq/20-4900000010:57:100
25106998842,31cyclictest3650irq/20-4900000007:17:110
25106998823,35cyclictest17517-21apt-config10:55:060
25106998819,50cyclictest1305-21snmpd11:46:260
25106998818,36cyclictest22080-21ntp_states11:10:390
25106998744,31cyclictest5672-21cut08:00:140
25106998728,40cyclictest10731-21latency_hist12:35:030
25106998717,51cyclictest27587-21aten_r7power_cu09:25:110
25106998716,36cyclictest1403-21runrttasks09:50:140
25106998714,35cyclictest12477-21latency_hist10:35:020
25106998661,11cyclictest101ktimersoftd/012:15:270
25106998660,10cyclictest101ktimersoftd/011:41:250
25106998650,28cyclictest4295-21sshd10:00:440
25106998617,55cyclictest0-21swapper/010:05:060
25106998616,37cyclictest22433-21fw_forwarded_lo09:05:260
25106998616,17cyclictest1305-21snmpd11:36:400
25106998615,34cyclictest1305-21snmpd08:45:410
25106998614,33cyclictest29136-21/usr/sbin/munin07:25:170
25106998613,34cyclictest8346-21fw_conntrack08:10:260
25106998558,20cyclictest32676-21cat07:40:090
25106998556,19cyclictest31529-21runrttasks09:40:210
25106998520,47cyclictest8993-21wget10:20:150
25106998518,49cyclictest13529-21ntp_states08:30:580
25106998518,33cyclictest12493-21seq08:25:550
25106998518,30cyclictest31861-21df11:50:180
25106998517,33cyclictest24072-21latency_hist11:20:010
25106998459,11cyclictest101ktimersoftd/007:30:090
25106998452,22cyclictest2880-21munin-plugin-st12:05:010
25106998444,29cyclictest10728-21sshd10:25:490
25106998440,34cyclictest30081-21aten_r7power_cu09:35:130
25106998438,13cyclictest10250irq/56-4a10000010:14:490
25106998360,11cyclictest101ktimersoftd/008:40:270
25106998349,22cyclictest19289-21runrttasks08:52:330
25106998336,36cyclictest29129-21sshd09:30:350
25106998247,26cyclictest0-21swapper/010:15:120
25106998242,27cyclictest3650irq/20-4900000010:45:270
25106998215,48cyclictest32617-21wget09:45:140
25106998145,26cyclictest0-21swapper/012:35:250
25106998048,15cyclictest10150irq/55-4a10000010:40:190
25106997858,12cyclictest101ktimersoftd/010:00:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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