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2025-10-21 - 06:23
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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 Mon Oct 20, 2025 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17306212660,10sleep017304-21ntp_states07:05:400
180989917030,43cyclictest10250irq/56-4a10000008:20:260
180989916840,17cyclictest256852chrt11:53:220
180989916735,34cyclictest9839-21latency_hist08:45:030
180989916553,19cyclictest32215-21/usr/sbin/munin10:11:050
180989916435,33cyclictest20630-21sshd07:17:280
180989916033,31cyclictest12381-21wget11:00:170
180989915839,30cyclictest3650irq/20-4900000012:12:140
180989915616,26cyclictest21898-21open_inodes09:30:430
180989915436,28cyclictest21014-21seq11:35:110
180989915350,21cyclictest7607-21sshd10:40:330
180989915349,23cyclictest101ktimersoftd/009:15:160
180989915213,19cyclictest18777-21fw_conntrack11:25:320
180989915153,14cyclictest27365-21aten_r7power_vo12:00:170
180989915044,22cyclictest1818-21latency_hist12:25:030
18098991497,18cyclictest11423-21ntp_states10:55:400
180989914556,11cyclictest101ktimersoftd/009:50:490
18098991437,32cyclictest16621-21users11:15:510
180989914246,13cyclictest10150irq/55-4a10000008:56:210
18098991377,27cyclictest1414-21apt-get10:17:090
2601211714,89sleep02605-21/usr/sbin/munin08:15:290
3037821149,88sleep030390-21df10:05:180
180989911188,14cyclictest0-21swapper/007:10:030
1477621046,82sleep014793-21aten_r7power_cu11:10:150
1770421015,84sleep01356-21snmpd11:20:490
15707210115,73sleep015705-21ntp_states09:06:260
2932721005,83sleep029341-21ntpq10:00:410
107192917,74sleep01356-21snmpd10:53:280
18098998946,29cyclictest3650irq/20-4900000012:20:040
18098998837,17cyclictest14704-21runrttasks09:01:350
18098998744,29cyclictest3650irq/20-4900000009:20:260
18098998738,31cyclictest25456-21runrttasks09:45:270
18098998724,15cyclictest23436-21latency_hist07:30:020
244292866,68sleep0800-21avahi-daemon07:32:560
18098998646,27cyclictest3650irq/20-4900000007:55:230
18098998641,30cyclictest3650irq/20-4900000010:37:140
18098998619,31cyclictest792-21haveged07:50:030
1809899858,21cyclictest1801-21node08:51:270
18098998534,33cyclictest8535-21runrttasks10:45:060
18098998529,40cyclictest0-21swapper/011:41:150
18098998524,15cyclictest24642-21latency_hist11:50:030
1809899849,20cyclictest5930-21apt-get12:40:030
18098998441,29cyclictest3650irq/20-4900000009:35:260
18098998441,29cyclictest101ktimersoftd/007:36:080
18098998352,14cyclictest10150irq/55-4a10000008:45:340
18098998338,29cyclictest3650irq/20-4900000010:30:190
18098998317,30cyclictest792-21haveged10:30:030
18098998245,25cyclictest0-21swapper/008:35:230
18098998238,31cyclictest101ktimersoftd/009:10:180
18098998223,46cyclictest20081-21irqstats11:30:340
1809899818,16cyclictest13836-21irqstats11:05:340
18098998131,15cyclictest26558-21mailstats11:55:490
18098998110,19cyclictest3440-21irqstats12:30:360
18098998049,22cyclictest24328-21/usr/sbin/munin09:40:370
18098998032,32cyclictest1336-21runrttasks08:00:570
18098997949,21cyclictest65202sleep008:30:450
1809899787,17cyclictest2145-21diskstats10:20:230
1809899778,15cyclictest28791-21diskstats07:50:430
18098997747,20cyclictest28138-21/usr/sbin/munin09:55:470
18098997747,13cyclictest10150irq/55-4a10000007:45:030
18098997728,19cyclictest20295-21wget09:25:150
18098997624,14cyclictest2984-21seq12:29:480
1809899757,24cyclictest1338-21sshd08:10:290
18098997556,11cyclictest101ktimersoftd/007:20:200
18098997542,15cyclictest10150irq/55-4a10000012:05:190
18098997446,12cyclictest10150irq/55-4a10000008:05:270
18098997215,28cyclictest0-21swapper/008:26:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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