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2025-08-30 - 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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot2.osadl.org (updated Sat Aug 30, 2025 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
219552205190,10sleep10-21swapper/119:07:081
220062181164,12sleep00-21swapper/019:07:470
199502178162,11sleep30-21swapper/319:05:043
220482176158,13sleep20-21swapper/219:08:212
219202570,0sleep20-21swapper/221:27:212
230812480,1sleep0111rcuc/021:11:450
188742480,0sleep10-21swapper/121:41:571
130072480,0sleep00-21swapper/023:16:320
146392470,0sleep10-21swapper/119:55:141
69362460,0sleep10-21swapper/121:35:451
27552440,0sleep10-21swapper/100:17:021
77282430,0sleep10-21swapper/122:41:141
254672120,1sleep1211ktimersoftd/121:13:151
2233999103,3cyclictest5829-21basename23:30:000
223399982,3cyclictest27990-21perf19:20:000
223399980,4cyclictest30871-21munin-run20:30:000
223399973,4cyclictest3422-21basename20:40:000
223399970,4cyclictest27176-21munin-run00:30:000
223399970,3cyclictest18275-21diskmemload23:15:000
223449960,5cyclictest1137-21/usr/sbin/munin20:35:172
223399963,3cyclictest0-21swapper/022:25:140
223399963,3cyclictest0-21swapper/020:05:140
223399960,6cyclictest22604-21taskset21:44:180
223399960,6cyclictest0-21swapper/019:10:140
223399960,3cyclictest2964-21munin-run19:35:000
223489955,0cyclictest18275-21diskmemload23:33:213
223489952,3cyclictest11116-21grep23:15:213
223489951,3cyclictest29836-21ssh23:58:093
223489951,2cyclictest0-21swapper/319:10:133
223489950,5cyclictest0-21swapper/322:58:173
223489950,5cyclictest0-21swapper/322:08:323
223489950,5cyclictest0-21swapper/321:44:583
223489950,4cyclictest11233-21apt-get19:50:013
223489950,0cyclictest18275-21diskmemload22:34:353
223489950,0cyclictest18275-21diskmemload00:22:153
223449951,4cyclictest0-21swapper/221:50:142
223449950,5cyclictest0-21swapper/222:25:042
223449950,5cyclictest0-21swapper/221:20:132
223449950,4cyclictest31097-21apt-get20:30:122
223449950,4cyclictest28743-21irqstats00:30:152
223409950,5cyclictest0-21swapper/122:05:161
223409950,5cyclictest0-21swapper/100:12:001
223399952,3cyclictest32412-21ssh21:16:100
223399952,3cyclictest0-21swapper/023:54:180
223399952,3cyclictest0-21swapper/023:35:180
223399952,3cyclictest0-21swapper/023:30:180
223399952,3cyclictest0-21swapper/021:25:180
223399952,3cyclictest0-21swapper/021:22:580
223399952,3cyclictest0-21swapper/000:31:450
223399952,3cyclictest0-21swapper/000:00:180
223399950,5cyclictest19178-21ssh21:58:420
223399950,5cyclictest19178-21ssh21:58:420
223399950,5cyclictest10132-21ssh22:59:180
223399950,5cyclictest0-21swapper/023:22:460
223399950,5cyclictest0-21swapper/023:05:130
223399950,5cyclictest0-21swapper/022:41:490
223399950,5cyclictest0-21swapper/022:35:180
223399950,5cyclictest0-21swapper/022:33:580
223399950,5cyclictest0-21swapper/022:20:020
223399950,5cyclictest0-21swapper/022:12:220
223399950,5cyclictest0-21swapper/022:06:500
223399950,5cyclictest0-21swapper/022:00:060
223399950,5cyclictest0-21swapper/021:30:220
223399950,5cyclictest0-21swapper/000:24:100
223399950,5cyclictest0-21swapper/000:15:180
223399950,0cyclictest6450-21ssh23:45:500
223399950,0cyclictest12441-21ssh23:00:140
223399950,0cyclictest0-21swapper/023:41:340
223399950,0cyclictest0-21swapper/022:50:220
223399950,0cyclictest0-21swapper/021:46:220
223399950,0cyclictest0-21swapper/019:25:180
223489944,0cyclictest0-21swapper/322:50:093
223489944,0cyclictest0-21swapper/321:21:583
223489944,0cyclictest0-21swapper/319:40:143
223489943,1cyclictest30997-21snmpd21:30:223
223489942,1cyclictest31320-21ssh23:10:013
223489942,1cyclictest28610-21ssh23:25:003
223489941,2cyclictest0-21swapper/300:05:163
223489941,1cyclictest0-21swapper/322:20:103
223489940,4cyclictest3196-21apt-get19:35:133
223489940,4cyclictest28213-21df_inode00:30:113
223489940,4cyclictest18275-21diskmemload23:03:013
223489940,4cyclictest18275-21diskmemload21:59:013
223489940,4cyclictest18275-21diskmemload21:59:013
223489940,4cyclictest0-21swapper/323:45:063
223489940,4cyclictest0-21swapper/323:40:043
223489940,4cyclictest0-21swapper/323:36:543
223489940,4cyclictest0-21swapper/322:48:283
223489940,4cyclictest0-21swapper/322:40:123
223489940,4cyclictest0-21swapper/322:25:133
223489940,4cyclictest0-21swapper/322:17:213
223489940,4cyclictest0-21swapper/321:39:423
223489940,4cyclictest0-21swapper/321:10:123
223489940,4cyclictest0-21swapper/320:40:133
223489940,4cyclictest0-21swapper/319:15:403
223489940,4cyclictest0-21swapper/300:35:123
223489940,4cyclictest0-21swapper/300:15:123
223489940,4cyclictest0-21swapper/300:12:443
223489940,4cyclictest0-21swapper/300:00:123
223489940,3cyclictest9307-21ssh22:10:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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