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2026-08-07 - 11:05
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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 rack5slot2.osadl.org (updated Fri Aug 07, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
294602198182,11sleep10-21swapper/119:09:031
292502192175,12sleep30-21swapper/319:06:253
292572191175,12sleep00-21swapper/019:06:310
291822159142,12sleep20-21swapper/219:05:312
42692460,1sleep20-21swapper/221:31:122
278842440,0sleep10-21swapper/123:04:591
170482440,0sleep00-21swapper/023:48:060
229542400,0sleep20-21swapper/222:30:012
263592130,0sleep20-21swapper/222:47:222
2969499110,1cyclictest7064-21ssh21:16:262
2969499110,0cyclictest0-21swapper/223:47:302
276832110,0sleep20-21swapper/221:59:542
66492100,0sleep10-21swapper/123:26:091
2969499102,8cyclictest15699-21apt-get19:45:112
2969499100,1cyclictest14519-21ssh22:57:482
2969499100,1cyclictest1325-21ssh21:45:472
2969499100,1cyclictest0-21swapper/222:42:592
2969499100,1cyclictest0-21swapper/221:51:532
2969499100,0cyclictest28047-21ssh21:10:262
296949990,1cyclictest5650-21ssh22:20:272
296949990,1cyclictest30913-21memory19:10:162
296949990,1cyclictest30500-21basename21:45:022
296949990,1cyclictest27376-21ssh21:26:392
296949990,1cyclictest21631-21ssh21:24:202
296949990,1cyclictest18181-21ssh23:32:122
296949990,1cyclictest1708-21ssh00:29:462
296949990,1cyclictest11329-21ssh00:34:372
296999981,6cyclictest0-21swapper/322:30:123
296949981,7cyclictest31122-21ssh22:50:132
296949981,4cyclictest16685-21ssh00:04:272
296949980,6cyclictest31376-21ssh22:17:312
296949980,1cyclictest5970-21ssh23:25:432
296949980,1cyclictest27937-21ssh23:53:352
296949980,1cyclictest26513-21ssh22:30:582
296949980,1cyclictest22964-21ssh00:07:082
296949980,1cyclictest19018-21ssh00:21:262
296949980,1cyclictest15476-21ls19:45:012
296949980,1cyclictest14033-21ssh21:35:562
296949980,1cyclictest12588-21ssh22:08:162
296949980,1cyclictest10463-21munin-run22:40:012
296949980,0cyclictest28021-21ssh23:20:242
296949980,0cyclictest26738-21ssh23:36:202
296949980,0cyclictest25598-21apt-get20:05:122
296949980,0cyclictest25016-21ssh22:14:502
296949971,6cyclictest1711-21sh23:40:152
296949970,1cyclictest9468-21ntpq20:35:182
296949970,1cyclictest7842-21idleruntime-cro19:30:022
296949970,1cyclictest5381-21perf19:25:012
296949970,1cyclictest32646-21wc19:15:012
296949970,1cyclictest31803-21kernelversion23:55:172
296949970,1cyclictest29451-21ssh22:00:142
296949970,1cyclictest28904-21smartctl20:10:132
296949970,1cyclictest2858-21munin-run20:25:012
296949970,1cyclictest28463-21rm23:05:122
296949970,1cyclictest28087-21sort00:10:112
296949970,1cyclictest22864-21perf21:05:012
296949970,1cyclictest20165-21sshd19:52:072
296949970,1cyclictest19588-21systemctl20:55:172
296949970,1cyclictest18527-21ssh23:00:122
296949970,1cyclictest17961-21sed23:15:232
296949970,1cyclictest16178-21df_inode20:50:112
296949970,1cyclictest14286-21wc20:45:172
296949970,1cyclictest13312-21grep00:35:152
296949970,1cyclictest12783-21apt-get19:40:012
296949970,1cyclictest11965-21ntpq20:40:152
296949970,0cyclictest5980-21apt-get23:10:112
296949970,0cyclictest5399-21apt-get00:15:132
296949970,0cyclictest0-21swapper/221:05:182
296949970,0cyclictest0-21swapper/220:25:102
296859972,5cyclictest32242-21kworker/0:022:36:250
296859972,5cyclictest32242-21kworker/0:000:35:160
296859972,5cyclictest32242-21kworker/0:000:23:250
296949960,1cyclictest8107-21cut19:30:122
296949960,1cyclictest5968-21cut20:30:122
296949960,1cyclictest30842-21grep20:15:112
296949960,1cyclictest23117-21taskset20:00:052
296949960,1cyclictest20667-21cut19:55:132
296859962,4cyclictest32242-21kworker/0:023:22:210
296859962,4cyclictest32242-21kworker/0:022:52:130
296859962,4cyclictest32242-21kworker/0:022:29:170
296859962,4cyclictest32242-21kworker/0:022:21:090
296859962,4cyclictest32242-21kworker/0:021:15:090
296859962,4cyclictest32242-21kworker/0:019:25:130
296859962,4cyclictest32242-21kworker/0:000:29:290
296859962,4cyclictest32242-21kworker/0:000:07:570
296859962,4cyclictest2880-21ssh22:20:010
296859961,5cyclictest32242-21kworker/0:023:27:570
296859961,5cyclictest32242-21kworker/0:023:00:130
296859961,5cyclictest32242-21kworker/0:022:56:330
296859961,5cyclictest32242-21kworker/0:022:48:130
296859961,5cyclictest32242-21kworker/0:022:06:530
296859961,5cyclictest32242-21kworker/0:021:56:060
296859961,5cyclictest32242-21kworker/0:021:50:450
296859961,5cyclictest32242-21kworker/0:021:43:450
296859961,5cyclictest32242-21kworker/0:021:35:290
296859961,5cyclictest32242-21kworker/0:021:34:020
296859961,5cyclictest32242-21kworker/0:021:20:170
296859961,5cyclictest32242-21kworker/0:021:05:140
296859961,5cyclictest32242-21kworker/0:020:15:170
296859961,5cyclictest32242-21kworker/0:000:12:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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