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2026-05-22 - 08:22
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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
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Fri May 22, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22926999120,11cyclictest0-21swapper/320:15:123
229269991111,0cyclictest0-21swapper/323:25:143
229269991111,0cyclictest0-21swapper/319:20:013
229269991110,0cyclictest0-21swapper/323:20:123
229269991110,0cyclictest0-21swapper/321:30:013
229269991110,0cyclictest0-21swapper/319:30:113
22926999110,11cyclictest0-21swapper/321:15:203
22926999110,10cyclictest0-21swapper/320:05:163
22926999110,10cyclictest0-21swapper/319:50:013
22926999110,10cyclictest0-21swapper/300:20:133
22926999110,0cyclictest0-21swapper/322:15:123
22926999110,0cyclictest0-21swapper/319:50:153
22926999109,0cyclictest0-21swapper/321:05:013
229269991010,0cyclictest0-21swapper/322:55:193
229269991010,0cyclictest0-21swapper/322:20:023
229269991010,0cyclictest0-21swapper/320:45:013
229269991010,0cyclictest0-21swapper/320:00:173
229269991010,0cyclictest0-21swapper/300:35:123
229269991010,0cyclictest0-21swapper/300:05:133
22926999100,10cyclictest0-21swapper/300:25:013
22926999100,0cyclictest0-21swapper/322:45:183
22926999100,0cyclictest0-21swapper/321:35:133
22926999100,0cyclictest0-21swapper/320:10:173
22926999100,0cyclictest0-21swapper/319:25:133
2292699999,0cyclictest0-21swapper/323:40:133
2292699999,0cyclictest0-21swapper/323:35:123
2292699999,0cyclictest0-21swapper/320:45:003
2292699999,0cyclictest0-21swapper/320:20:113
2292699999,0cyclictest0-21swapper/319:35:173
2292699999,0cyclictest0-21swapper/300:00:003
2292699998,0cyclictest0-21swapper/323:45:193
2292699998,0cyclictest0-21swapper/320:25:123
2292699990,8cyclictest0-21swapper/323:50:183
2292699990,8cyclictest0-21swapper/321:10:173
2292699988,0cyclictest0-21swapper/322:10:083
2292699988,0cyclictest0-21swapper/321:21:023
2292699988,0cyclictest0-21swapper/320:55:113
2292699988,0cyclictest0-21swapper/300:10:123
2292699987,0cyclictest0-21swapper/319:15:143
2292699985,2cyclictest350095-21chrt00:00:193
2292699980,0cyclictest0-21swapper/321:05:223
2292699977,0cyclictest0-21swapper/323:30:183
2292699977,0cyclictest0-21swapper/323:15:013
2292699977,0cyclictest0-21swapper/322:25:123
2292699977,0cyclictest0-21swapper/322:04:303
2292699977,0cyclictest0-21swapper/321:45:153
2292699977,0cyclictest0-21swapper/300:16:013
2292699976,0cyclictest0-21swapper/322:50:163
2292699976,0cyclictest0-21swapper/322:40:183
2292699976,0cyclictest0-21swapper/319:55:123
2292699976,0cyclictest0-21swapper/300:30:133
2292699970,5cyclictest0-21swapper/321:55:183
227900271,4sleep30-21swapper/319:05:223
2292699966,0cyclictest0-21swapper/322:05:123
2292699966,0cyclictest0-21swapper/321:30:113
2292699966,0cyclictest0-21swapper/319:40:163
2292699966,0cyclictest0-21swapper/319:10:173
298971250,2sleep0299121-21find22:00:180
2292699955,0cyclictest0-21swapper/321:40:193
2292699954,1cyclictest0-21swapper/323:05:123
2292699954,0cyclictest0-21swapper/320:50:113
2292699954,0cyclictest0-21swapper/320:30:273
2292699944,0cyclictest0-21swapper/323:00:043
2292699944,0cyclictest0-21swapper/320:37:273
2292699943,0cyclictest0-21swapper/323:15:113
2292699943,0cyclictest0-21swapper/322:35:113
2292699940,2cyclictest0-21swapper/322:30:123
2292699940,2cyclictest0-21swapper/321:50:123
228882242,1sleep20-21swapper/219:07:012
227896242,1sleep10-21swapper/119:05:201
346409230,1sleep0338136-21kworker/0:0+events23:55:020
340417230,2sleep0340462-21aten_r1power_cu23:40:120
338059230,1sleep1338072-21munin-run23:35:011
331789230,2sleep2331993-21sed23:20:012
323951230,2sleep0324081-21sendmail_mailqu23:00:180
260341230,2sleep2260487-21timerandwakeup20:25:182
253692231,1sleep0253786-21aten_r1power_fr20:10:120
247406230,1sleep2247432-21apt-get19:55:132
227991231,1sleep00-21swapper/019:05:230
363346220,0sleep00-21swapper/000:34:400
358019220,1sleep2358173-21ntp_states00:20:182
353208220,1sleep20-21swapper/200:10:122
348506220,0sleep0348522-21apt-get00:00:010
333563220,0sleep00-21swapper/023:22:070
318432220,0sleep00-21swapper/022:47:170
314346220,0sleep00-21swapper/022:38:090
310637220,0sleep00-21swapper/022:30:080
301983220,0sleep2191rcu_preempt22:10:002
295973220,1sleep0296034-21/usr/sbin/munin21:55:150
290772220,1sleep2291017-21users21:40:202
289953220,1sleep00-21swapper/021:40:130
289240220,1sleep00-21swapper/021:38:080
288141220,1sleep10-21swapper/121:35:171
287682220,1sleep2287802-21aten_r1power_vo21:35:142
287365220,1sleep0287401-21munin-run21:35:010
277580220,1sleep00-21swapper/021:10:150
276547220,0sleep00-21swapper/021:08:030
272856220,1sleep2272936-21sed21:00:002
270183220,0sleep00-21swapper/020:50:180
269898220,1sleep2270048-21ntp_states20:50:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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