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2025-05-02 - 13:00
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack5slot4.osadl.org (updated Fri May 02, 2025 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20163213267,7sleep30-21swapper/319:05:083
25624211399,7sleep20-21swapper/219:08:402
255412111102,6sleep10-21swapper/119:07:351
254752109100,6sleep00-21swapper/019:06:400
305822680,0sleep00-21swapper/021:00:220
276042660,0sleep10-21swapper/121:50:141
99742640,0sleep09978-21kthreadcore00:00:200
74342640,0sleep30-21swapper/322:25:213
183852640,0sleep00-21swapper/021:45:210
150352630,1sleep30-21swapper/323:15:203
68132620,1sleep30-21swapper/323:43:163
235542620,0sleep20-21swapper/223:20:202
8052610,1sleep30-21swapper/300:10:203
238402610,1sleep041ktimersoftd/022:18:370
202442610,0sleep20-21swapper/221:15:182
50202600,3sleep229-21rcuc/221:55:002
187442600,1sleep30-21swapper/321:15:033
25832590,0sleep20-21swapper/223:10:202
25832590,0sleep20-21swapper/223:10:192
108352590,1sleep30-21swapper/323:15:003
108352590,1sleep30-21swapper/323:15:003
196322580,0sleep30-21swapper/319:55:223
241952570,0sleep024198-21timerwakeupswit21:15:240
147482550,0sleep20-21swapper/221:43:142
123022550,0sleep00-21swapper/000:15:460
327362540,0sleep00-21swapper/000:27:070
288372530,0sleep30-21swapper/323:37:593
25901993114,14cyclictest0-21swapper/223:46:572
2590199300,4cyclictest0-21swapper/221:45:502
2590199300,3cyclictest0-21swapper/222:29:562
2590199300,29cyclictest0-21swapper/200:32:152
2590199300,18cyclictest0-21swapper/223:25:262
2590199300,15cyclictest0-21swapper/223:37:192
2590199291,22cyclictest0-21swapper/200:13:542
2590199290,27cyclictest0-21swapper/221:34:022
2590199290,19cyclictest13898-21/usr/sbin/munin22:45:272
2590199282,2cyclictest0-21swapper/223:52:502
25901992816,4cyclictest0-21swapper/200:15:342
2590199281,3cyclictest0-21swapper/222:13:302
2590199281,26cyclictest0-21swapper/219:31:162
2590199270,2cyclictest0-21swapper/223:02:182
2590199270,26cyclictest0-21swapper/200:08:202
2590199270,16cyclictest0-21swapper/200:27:082
2590199270,15cyclictest0-21swapper/222:44:082
25897992712,14cyclictest0-21swapper/100:27:231
2589799270,26cyclictest0-21swapper/121:47:001
2589799270,26cyclictest0-21swapper/121:34:571
2589799270,26cyclictest0-21swapper/120:33:441
2589799270,26cyclictest0-21swapper/120:21:531
2589799270,26cyclictest0-21swapper/119:54:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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