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2025-12-26 - 19:36
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 100 highest latencies:
System rackaslot8.osadl.org (updated Fri Dec 26, 2025 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
218162270239,20sleep20-21swapper/207:06:552
217862267241,17sleep00-21swapper/007:06:330
217262262234,18sleep10-21swapper/107:05:451
219732259206,17sleep30-21swapper/307:08:583
19772620,0sleep10-21swapper/111:10:311
84802590,0sleep20-21swapper/210:56:162
186292580,0sleep00-21swapper/008:10:150
195602570,0sleep20-21swapper/212:34:092
100782530,0sleep20-21swapper/210:02:542
179002190,0sleep30-21swapper/309:49:253
32652170,0sleep20-21swapper/209:40:222
308272140,0sleep20-21swapper/209:55:582
283952140,0sleep00-21swapper/010:30:590
196922140,0sleep20-21swapper/212:15:192
137542140,0sleep20-21swapper/211:54:342
12662140,0sleep00-21swapper/010:15:410
2218599120,1cyclictest28-21ksoftirqd/210:40:002
270422110,0sleep30-21swapper/311:06:503
2218599119,1cyclictest28-21ksoftirqd/209:25:012
2217799113,5cyclictest12-21ksoftirqd/010:40:010
2218599109,1cyclictest28-21ksoftirqd/211:25:002
2218599108,2cyclictest28-21ksoftirqd/210:15:022
2218599107,2cyclictest28-21ksoftirqd/209:05:012
2218599107,2cyclictest28-21ksoftirqd/207:15:002
22177991010,0cyclictest121ksoftirqd/011:15:000
221859998,1cyclictest28-21ksoftirqd/212:00:012
221859998,1cyclictest28-21ksoftirqd/212:00:012
221859998,1cyclictest28-21ksoftirqd/210:45:002
221859998,1cyclictest28-21ksoftirqd/208:20:012
221859998,1cyclictest28-21ksoftirqd/207:25:012
221859997,1cyclictest28-21ksoftirqd/208:50:002
221859996,2cyclictest28-21ksoftirqd/211:50:012
221859991,5cyclictest28-21ksoftirqd/211:03:002
221819997,1cyclictest0-21swapper/112:35:111
221779998,1cyclictest12-21ksoftirqd/010:30:010
221779998,1cyclictest12-21ksoftirqd/010:05:010
221779998,1cyclictest121ksoftirqd/007:40:000
11542290,0sleep00-21swapper/010:58:250
9534280,0sleep10-21swapper/110:39:171
32131280,0sleep00-21swapper/010:51:200
26170280,0sleep00-21swapper/010:11:400
221909984,3cyclictest504-21dbus-daemon11:15:213
221909984,3cyclictest275-21systemd-journal10:00:403
221909983,3cyclictest275-21systemd-journal07:49:123
221909980,7cyclictest29995-21df11:45:103
221859987,1cyclictest28-21ksoftirqd/211:15:002
221859987,1cyclictest28-21ksoftirqd/208:25:012
221859986,2cyclictest28-21ksoftirqd/209:00:002
221859986,1cyclictest28-21ksoftirqd/209:10:012
221859985,2cyclictest28-21ksoftirqd/207:35:012
221859985,1cyclictest28-21ksoftirqd/210:50:162
221859984,2cyclictest28-21ksoftirqd/209:17:342
221859983,3cyclictest28-21ksoftirqd/209:32:592
221859982,4cyclictest28-21ksoftirqd/211:05:572
221859982,4cyclictest28-21ksoftirqd/210:45:572
221859982,4cyclictest28-21ksoftirqd/208:40:152
221859982,3cyclictest28634-21dump-pmu-power08:34:592
221859981,5cyclictest28-21ksoftirqd/211:15:242
221859981,4cyclictest28-21ksoftirqd/208:00:192
221859980,6cyclictest28-21ksoftirqd/210:07:562
221819980,5cyclictest2579-21awk11:30:011
221779987,1cyclictest12-21ksoftirqd/010:45:010
221779987,1cyclictest12-21ksoftirqd/007:25:000
221779986,1cyclictest131rcuc/007:15:120
221779984,3cyclictest275-21systemd-journal12:03:380
221779983,3cyclictest26407-21turbostat08:30:000
221909976,1cyclictest0-21swapper/310:31:413
221909974,2cyclictest658-21snmpd11:42:123
221909974,2cyclictest17068-21grep09:30:173
221909973,3cyclictest658-21snmpd11:54:013
221909973,3cyclictest275-21systemd-journal08:54:123
221859976,1cyclictest28-21ksoftirqd/210:35:002
221859975,2cyclictest28-21ksoftirqd/208:30:012
221859975,2cyclictest28-21ksoftirqd/207:15:012
221859975,2cyclictest271rcuc/212:10:112
221859974,2cyclictest28-21ksoftirqd/210:15:022
221859973,2cyclictest28-21ksoftirqd/209:27:232
221859973,1cyclictest28-21ksoftirqd/212:00:022
221859972,3cyclictest28-21ksoftirqd/212:37:222
221859972,3cyclictest28-21ksoftirqd/212:08:012
221859972,3cyclictest141rcu_preempt10:22:262
221859972,3cyclictest141rcu_preempt09:36:522
221859972,2cyclictest28-21ksoftirqd/207:45:112
221859972,1cyclictest28-21ksoftirqd/211:38:502
221859972,1cyclictest141rcu_preempt09:11:072
221859971,4cyclictest28-21ksoftirqd/212:28:062
221859971,4cyclictest28-21ksoftirqd/210:25:232
221859971,4cyclictest28-21ksoftirqd/207:35:232
221859971,4cyclictest0-21swapper/208:50:042
221859971,3cyclictest28-21ksoftirqd/212:20:432
221859971,2cyclictest28-21ksoftirqd/211:25:132
221859971,1cyclictest28-21ksoftirqd/211:30:152
221859970,5cyclictest28-21ksoftirqd/211:44:232
221859970,5cyclictest28-21ksoftirqd/209:50:222
221859970,5cyclictest28-21ksoftirqd/208:35:182
221819976,1cyclictest13119-21kworker/1:110:00:551
221819975,2cyclictest22-21ksoftirqd/108:20:011
221819973,3cyclictest658-21snmpd11:15:091
221819971,3cyclictest9892-21munin-run09:45:011
221819970,7cyclictest0-21swapper/111:41:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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