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2025-04-21 - 10:04
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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 rack5slot0.osadl.org (updated Mon Apr 21, 2025 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
991021270,4sleep32638199cyclictest23:36:513
1369821210,1sleep313699-21munin-node21:40:153
37321130,0sleep00-21swapper/022:58:480
2579529428,38sleep10-21swapper/119:05:521
116862940,2sleep211671-21sshd23:30:522
116862940,2sleep211671-21sshd23:30:522
246882910,1sleep20-21swapper/200:06:392
249602900,2sleep20-21swapper/221:32:132
227362900,6sleep32638199cyclictest22:05:333
30432890,1sleep10-21swapper/121:14:521
253902890,2sleep20-21swapper/223:47:512
70972880,3sleep20-21swapper/222:04:032
36782870,2sleep30-21swapper/321:36:143
79022860,1sleep07903-21latency_hist00:05:000
45662850,6sleep22638099cyclictest21:45:312
109982850,2sleep30-21swapper/322:22:443
60452840,2sleep36042-21sshd00:20:303
283282840,1sleep10-21swapper/123:20:091
2602928435,44sleep30-21swapper/319:08:513
158002840,3sleep215799-21bash00:24:582
117382840,2sleep10-21swapper/123:43:171
202322830,1sleep30-21swapper/300:18:463
191872820,3sleep30-21swapper/323:53:293
95082810,0sleep03-21ksoftirqd/023:12:100
282402800,1sleep22405-21runrttasks23:57:292
261462790,2sleep20-21swapper/223:41:312
256252790,2sleep10-21swapper/121:23:061
264852770,2sleep1417-21jbd2/dm-0-822:21:051
74382750,1sleep00-21swapper/023:15:070
212472750,2sleep20-21swapper/222:08:322
319212740,2sleep331916-21sshd21:11:263
270282740,1sleep00-21swapper/021:59:520
2581127435,9sleep20-21swapper/219:06:052
184412730,2sleep10-21swapper/123:37:401
9532720,2sleep3949-21cp00:10:333
2593525834,13sleep00-21swapper/019:07:400
276532560,0sleep00-21swapper/023:38:350
175862480,4sleep20-21swapper/222:14:172
277472420,1sleep30-21swapper/323:32:253
277472420,1sleep30-21swapper/323:32:253
131842390,3sleep30-21swapper/323:06:163
241972330,1sleep20-21swapper/222:17:542
146292330,2sleep30-21swapper/322:56:583
278572310,0sleep3431ktimersoftd/321:26:253
169172310,29sleep2135650irq/27-eth022:44:522
122572300,2sleep212253-21sshd21:55:212
221822290,2sleep222179-21sshd23:13:242
4432280,0sleep00-21swapper/022:37:030
264932280,1sleep026484-21sshd22:24:130
26379992723,3cyclictest3892-21bash22:37:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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