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2026-07-28 - 03:58
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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 Jul 27, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20677222523,56sleep00-21swapper/007:08:560
208829920191,21cyclictest7064-21dmidecode12:31:170
340821098,14sleep01305-21snmpd08:05:380
12348210919,12sleep011139-21apt-get10:46:400
1847621045,14sleep018355-21/usr/sbin/munin09:05:170
208829910236,29cyclictest30274-21/usr/sbin/munin09:50:340
2639421005,14sleep01608-21ntpd11:40:420
2122221006,11sleep021218-21ntp_states11:21:130
20882999737,41cyclictest0-21swapper/008:15:210
260662965,11sleep026068-21fw_conntrack09:35:260
2559529620,62sleep0101ktimersoftd/011:40:020
197802965,11sleep019786-21df09:10:170
326742946,13sleep032684-21fw_conntrack10:00:230
20882999349,26cyclictest101ktimersoftd/007:12:090
107932934,11sleep010795-21irqstats08:35:330
2088299927,21cyclictest14313-21chrt10:55:190
20882999266,10cyclictest101ktimersoftd/011:45:430
20882999129,11cyclictest26905-21kworker/u2:212:37:090
20882999061,15cyclictest281102chrt09:44:080
20882999045,27cyclictest15793-21cmp08:55:150
2785228919,56sleep0101ktimersoftd/007:35:290
20882998962,11cyclictest101ktimersoftd/011:55:490
20882998949,30cyclictest0-21swapper/008:25:240
20882998944,31cyclictest3650irq/20-4900000009:47:100
20882998944,30cyclictest3650irq/20-4900000007:52:090
20882998940,32cyclictest10250irq/56-4a10000010:10:030
20882998821,32cyclictest20309-21https11:20:070
20882998820,32cyclictest787-21haveged10:25:040
20882998738,21cyclictest22192-21aten_r7power_po09:20:140
20882998737,35cyclictest84262chrt10:33:160
20882998621,48cyclictest1305-21snmpd10:00:010
20882998527,43cyclictest0-21swapper/007:30:070
51432844,7sleep00-21swapper/008:13:010
20882998449,26cyclictest0-21swapper/010:10:240
20882998447,27cyclictest0-21swapper/008:00:310
20882998347,27cyclictest0-21swapper/012:25:120
20882998320,29cyclictest1305-21snmpd11:05:260
2088299827,24cyclictest754-21systemd-journal07:49:490
20882998251,19cyclictest10799-21runrttasks10:42:100
2088299818,28cyclictest1305-21snmpd11:04:490
20882998153,17cyclictest28796-21/usr/sbin/munin11:50:180
20882998137,32cyclictest22364-21ntpq11:25:380
20882998130,31cyclictest12936-21wget10:50:130
20882998126,42cyclictest18084-21/usr/sbin/munin11:10:250
20882998120,15cyclictest1017-21latency_hist12:10:030
20882998060,12cyclictest101ktimersoftd/008:30:120
20882998056,12cyclictest101ktimersoftd/007:17:040
20882998019,30cyclictest17448-21netstat09:00:340
2088299798,17cyclictest14621-21ntp_states08:50:390
20882997960,11cyclictest101ktimersoftd/010:25:250
20882997954,17cyclictest1411-21/usr/sbin/munin12:10:270
20882997949,14cyclictest10150irq/55-4a10000010:15:420
20882997941,25cyclictest3650irq/20-4900000007:55:220
2088299787,21cyclictest1305-21snmpd07:44:550
2088299786,53cyclictest1305-21snmpd07:29:260
20882997859,12cyclictest101ktimersoftd/012:15:230
20882997841,27cyclictest0-21swapper/008:20:110
2088299776,38cyclictest14113-21latency_hist08:50:020
2088299775,21cyclictest23760-21seq09:25:430
20882997736,27cyclictest3650irq/20-4900000008:40:240
20882997710,28cyclictest24785-21df09:30:190
20882997656,12cyclictest101ktimersoftd/009:15:410
20882997646,13cyclictest10150irq/55-4a10000010:40:020
20882997544,15cyclictest10150irq/55-4a10000011:30:180
20882997444,14cyclictest10150irq/55-4a10000012:00:180
20882997417,21cyclictest3870-21cpu12:20:160
20882997245,12cyclictest10150irq/55-4a10000007:20:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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