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2026-06-08 - 13:33
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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 Sun Jun 07, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26273220727,49sleep00-21swapper/007:08:210
265349917759,29cyclictest101ktimersoftd/010:30:210
1834211715,13sleep0809-21systemd-logind11:47:410
26687211414,12sleep025980-21apt-get09:15:250
23863211314,11sleep023896-21cat09:05:300
265349911282,21cyclictest9630-21dmidecode10:13:080
13865211112,12sleep01305-21snmpd10:27:040
1440621075,10sleep014401-21munin-plugin-st08:30:020
1340121065,11sleep013405-21if_err_eth012:30:360
3218721056,85sleep031351-21apt-get09:35:530
2035321045,14sleep020358-21ntpq08:51:190
830621034,11sleep08342-21aten_r7power_en08:05:130
479921027,82sleep04801-21/usr/sbin/munin09:55:120
1114921025,11sleep011155-21ntp_states08:15:380
3082421015,10sleep030826-21irqstats11:35:360
1762821015,11sleep017636-21vmstat08:40:510
1236521016,12sleep012359-21ntp_states12:26:130
1026621005,11sleep010305-21aten_r7power_vo10:15:150
27882995,79sleep01305-21snmpd07:44:520
26534999739,37cyclictest0-21swapper/007:20:490
226072974,11sleep022609-21fw_conntrack09:00:240
75382966,79sleep06536-21apt-get08:01:220
280632966,12sleep028064-21memory09:20:340
26534999555,23cyclictest0-21swapper/010:41:450
282472935,11sleep028245-21ntp_states07:15:390
157762935,12sleep015779-21diskstats10:35:210
26534999240,18cyclictest10250irq/56-4a10000009:50:550
319972916,72sleep031991-21ntp_states07:30:390
123402915,10sleep012348-21memory08:20:320
2653499908,43cyclictest1779-21users09:41:360
26534999039,37cyclictest0-21swapper/008:11:010
26534998946,29cyclictest3650irq/20-4900000008:30:410
26534998946,28cyclictest3650irq/20-4900000012:35:240
26534998924,48cyclictest1305-21snmpd11:57:010
26534998830,23cyclictest10250irq/56-4a10000011:50:440
161462885,70sleep016144-21ntp_states08:35:390
209362875,11sleep020934-21ntp_states10:55:380
6172866,67sleep0618-21fw_forwarded_lo07:35:270
326128614,12sleep01608-21ntpd09:48:310
42922856,68sleep04353-21df07:50:150
2653499857,18cyclictest28158-21wget11:25:150
26534998537,30cyclictest11815-21/usr/sbin/munin10:20:340
26534998527,40cyclictest0-21swapper/007:55:570
26534998524,47cyclictest0-21swapper/012:02:030
26534998455,13cyclictest10150irq/55-4a10000009:30:330
26534998452,14cyclictest10150irq/55-4a10000012:20:240
26534998439,35cyclictest27135-21grep07:10:460
26534998342,28cyclictest3650irq/20-4900000010:05:380
26534998327,21cyclictest25619-21wget11:15:170
26534998326,39cyclictest0-21swapper/010:45:240
26534998251,13cyclictest10150irq/55-4a10000012:05:200
26534998149,13cyclictest3113-21cpuspeed07:45:150
26534998140,28cyclictest3650irq/20-4900000011:00:260
2653499806,41cyclictest1305-21snmpd12:17:070
26534998051,13cyclictest10150irq/55-4a10000010:00:190
26534998049,13cyclictest10150irq/55-4a10000012:10:260
26534998047,24cyclictest0-21swapper/011:44:330
26534997955,17cyclictest29298-21aten_r7power_cu11:30:120
26534997949,20cyclictest30981-21/usr/sbin/munin07:25:490
26534997853,16cyclictest26090-21cat09:15:080
26534997748,13cyclictest10150irq/55-4a10000008:45:200
26534997747,14cyclictest10150irq/55-4a10000011:05:310
26534997745,14cyclictest10150irq/55-4a10000010:50:210
26534997648,13cyclictest10150irq/55-4a10000009:26:190
26534997647,15cyclictest10150irq/55-4a10000011:20:140
26534997647,14cyclictest10150irq/55-4a10000011:15:010
26534997335,27cyclictest0-21swapper/008:55:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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