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2026-07-28 - 22:20
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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 Tue Jul 28, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227702196181,10sleep10-21swapper/107:09:041
226182190173,12sleep30-21swapper/307:07:093
226502185167,13sleep00-21swapper/007:07:350
225352175157,13sleep20-21swapper/207:06:032
167732520,0sleep2291rcuc/210:28:382
256712490,0sleep10-21swapper/109:45:121
153552430,0sleep00-21swapper/009:40:070
126192430,0sleep30-21swapper/311:30:193
45432170,0sleep20-21swapper/211:59:132
232002130,1sleep30-21swapper/310:47:363
223462130,0sleep10-21swapper/109:11:101
2302399102,4cyclictest3380-21munin-run12:15:010
230239992,3cyclictest18505-21perf08:05:000
230239980,4cyclictest28249-21munin-run11:55:000
230239980,4cyclictest21128-21cron10:15:010
230239973,4cyclictest18226-21munin-run11:50:000
230329963,3cyclictest0-21swapper/311:50:183
230329960,6cyclictest0-21swapper/308:10:123
230269960,1cyclictest2103-21ssh10:53:232
230239960,3cyclictest28621-21munin-run09:15:010
230329955,0cyclictest0-21swapper/312:17:183
230329955,0cyclictest0-21swapper/310:05:193
230329951,4cyclictest19328-21sh11:01:253
230329950,5cyclictest7307-21/usr/sbin/munin10:40:133
230329950,4cyclictest31958-21perl11:40:153
230329950,3cyclictest5529-21/usr/sbin/munin09:35:143
230269951,2cyclictest0-21swapper/210:55:122
230269950,5cyclictest0-21swapper/210:35:462
230269950,5cyclictest0-21swapper/210:09:262
230269950,5cyclictest0-21swapper/209:56:382
230269950,0cyclictest0-21swapper/212:30:522
230249951,2cyclictest0-21swapper/110:25:111
230249950,5cyclictest0-21swapper/110:21:171
230239950,5cyclictest0-21swapper/011:00:110
230239950,4cyclictest9088-21cat10:25:010
230239950,4cyclictest3502-21ssh09:50:130
230239950,3cyclictest1060-21cat12:30:000
12388250,0sleep012391-21missed_timers07:50:180
230329944,0cyclictest10998-21kworker/3:208:00:203
230329944,0cyclictest0-21swapper/311:47:373
230329944,0cyclictest0-21swapper/311:08:103
230329944,0cyclictest0-21swapper/309:45:233
230329943,1cyclictest6321-21/usr/sbin/munin12:00:133
230329943,1cyclictest25668-21grep10:00:203
230329943,1cyclictest19958-21ntp_kernel_pll_08:05:163
230329943,1cyclictest0-21swapper/310:52:113
230329941,3cyclictest802-21snmpd12:20:193
230329940,4cyclictest5235-21apt-get10:55:113
230329940,4cyclictest2954-21awk12:30:183
230329940,4cyclictest23204-21apt-get11:20:103
230329940,4cyclictest23130-21/usr/sbin/munin07:10:123
230329940,4cyclictest1666-21perl11:25:143
230329940,4cyclictest13736-21/usr/sbin/munin09:00:153
230329940,4cyclictest0-21swapper/312:35:123
230329940,4cyclictest0-21swapper/311:35:133
230329940,4cyclictest0-21swapper/311:16:263
230329940,4cyclictest0-21swapper/311:10:123
230329940,4cyclictest0-21swapper/310:25:113
230329940,4cyclictest0-21swapper/310:16:023
230329940,4cyclictest0-21swapper/310:10:123
230329940,4cyclictest0-21swapper/309:20:133
230329940,3cyclictest3468-21sh09:50:113
230329940,3cyclictest309312sleep307:22:593
230329940,3cyclictest30031-21ssh12:27:553
230329940,3cyclictest16924-21ssh09:25:023
230329940,3cyclictest13757-21apt07:55:133
230329940,3cyclictest10418-21users08:50:213
230329940,3cyclictest0-21swapper/309:30:113
230329940,0cyclictest0-21swapper/311:55:193
230269944,0cyclictest0-21swapper/211:05:102
230269944,0cyclictest0-21swapper/209:16:462
230269943,1cyclictest8750-21ssh09:20:202
230269942,2cyclictest802-21snmpd09:02:312
230269942,1cyclictest21645-21ssh10:46:372
230269942,1cyclictest12820-21cat10:10:172
230269942,1cyclictest0-21swapper/209:05:152
230269942,1cyclictest0-21swapper/208:20:092
230269941,2cyclictest0-21swapper/211:45:112
230269941,2cyclictest0-21swapper/207:50:122
230269941,2cyclictest0-21swapper/207:25:122
230269941,2cyclictest0-21swapper/207:20:112
230269940,4cyclictest6625-21ssh09:50:592
230269940,4cyclictest11258-21ssh12:35:072
230269940,4cyclictest0-21swapper/212:25:122
230269940,4cyclictest0-21swapper/212:20:122
230269940,4cyclictest0-21swapper/211:50:122
230269940,4cyclictest0-21swapper/211:43:422
230269940,4cyclictest0-21swapper/211:35:132
230269940,4cyclictest0-21swapper/211:25:132
230269940,4cyclictest0-21swapper/210:40:122
230269940,4cyclictest0-21swapper/210:00:502
230269940,4cyclictest0-21swapper/209:40:112
230269940,4cyclictest0-21swapper/209:35:142
230269940,4cyclictest0-21swapper/209:30:122
230269940,4cyclictest0-21swapper/209:10:132
230269940,4cyclictest0-21swapper/208:45:112
230269940,4cyclictest0-21swapper/207:55:132
230269940,3cyclictest5289-21ssh11:10:222
230269940,3cyclictest16548-21apt-get09:25:012
230269940,3cyclictest0-21swapper/211:30:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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