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2024-07-16 - 08:47
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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 50 highest latencies:
System rack3slot0.osadl.org (updated Tue Jul 16, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4196991034,58cyclictest698-21dbus-daemon21:33:410
75472950,0sleep10-21swapper/100:06:191
38892810,2sleep6423899cyclictest23:59:206
93042780,0sleep00-21swapper/021:10:230
177872680,0sleep60-21swapper/623:44:226
4231996326,19cyclictest15059-21sshd21:33:405
392626048,9sleep70-21swapper/719:04:037
231562540,0sleep70-21swapper/723:48:077
101062540,0sleep5488-21systemd-journal21:10:285
401625241,8sleep30-21swapper/319:05:193
373225228,8sleep10-21swapper/119:01:331
401825127,8sleep50-21swapper/519:05:215
232672510,1sleep0698-21dbus-daemon00:31:410
200632510,0sleep00-21swapper/023:51:050
80582490,0sleep00-21swapper/021:20:000
62112490,0sleep40-21swapper/421:39:184
393424826,8sleep60-21swapper/619:04:106
150102480,0sleep30-21swapper/323:37:303
48132470,0sleep60-21swapper/622:51:046
149652470,0sleep20-21swapper/223:47:142
32602460,0sleep10-21swapper/121:45:321
225462460,0sleep00-21swapper/000:18:040
145732460,0sleep30-21swapper/300:27:203
317712450,0sleep10-21swapper/121:12:321
293762450,0sleep129373-21systemd-cgroups23:51:541
395724433,8sleep20-21swapper/219:04:302
4209994343,0cyclictest13650irq/24-ahci[00021:33:402
38762430,0sleep70-21swapper/723:29:577
269372430,0sleep50-21swapper/521:15:245
17042430,1sleep09-21ksoftirqd/021:38:500
75652420,0sleep10-21swapper/123:14:061
197122420,0sleep20-21swapper/223:57:312
391424128,9sleep40-21swapper/419:03:524
380024128,9sleep00-21swapper/019:02:280
4223994040,0cyclictest11526-21kworker/4:121:33:404
234712400,0sleep10-21swapper/123:48:091
164422400,0sleep40-21swapper/422:35:564
4238993937,1cyclictest0-21swapper/621:33:406
14582380,0sleep3391rcuc/321:16:033
4242993735,1cyclictest15136-21systemd21:33:407
4202993011,1cyclictest0-21swapper/121:33:411
4202992017,2cyclictest879-21polkitd22:50:541
311872200,1sleep531191-21grepconf.sh00:08:565
25572200,1sleep52546-21sshd21:38:555
79762190,0sleep50-21swapper/521:46:005
422399190,7cyclictest26587-21systemd23:55:014
305602190,1sleep6698-21dbus-daemon21:54:426
305602190,1sleep6698-21dbus-daemon21:54:426
133682190,0sleep40-21swapper/400:17:044
422399180,8cyclictest698-21dbus-daemon23:10:304
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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