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2026-08-31 - 17:40
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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 Mon Aug 31, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43052201184,12sleep10-21swapper/107:08:401
42822192175,12sleep30-21swapper/307:08:213
42272181164,12sleep00-21swapper/007:07:370
41622181162,14sleep20-21swapper/207:06:482
21712460,0sleep10-21swapper/111:37:461
21712460,0sleep10-21swapper/111:37:451
278032440,0sleep30-21swapper/311:17:533
60422430,1sleep3381rcuc/310:01:043
327262420,0sleep20-21swapper/212:10:012
144682370,0sleep10-21swapper/111:10:401
255902110,0sleep20-21swapper/211:16:292
3062100,0sleep20-21swapper/211:04:152
32094280,0sleep20-21swapper/211:52:592
46699960,6cyclictest0-21swapper/310:10:113
46699960,5cyclictest27743-21/usr/sbin/munin11:50:213
46569960,6cyclictest0-21swapper/209:57:512
46339960,5cyclictest0-21swapper/007:25:130
46339960,3cyclictest32686-21perf08:05:010
46339960,3cyclictest28258-21munin-run11:35:010
24127260,0sleep00-21swapper/012:05:140
46699952,3cyclictest0-21swapper/311:36:013
46699952,3cyclictest0-21swapper/311:36:003
46699952,3cyclictest0-21swapper/311:30:013
46699950,5cyclictest0-21swapper/312:05:113
46699950,5cyclictest0-21swapper/312:01:093
46699950,5cyclictest0-21swapper/311:55:493
46699950,5cyclictest0-21swapper/311:48:213
46699950,5cyclictest0-21swapper/311:40:443
46699950,5cyclictest0-21swapper/311:28:333
46699950,5cyclictest0-21swapper/309:36:583
46699950,1cyclictest26548-21ssh10:28:133
46569955,0cyclictest0-21swapper/212:35:422
46569955,0cyclictest0-21swapper/210:44:422
46569955,0cyclictest0-21swapper/210:04:572
46569955,0cyclictest0-21swapper/209:37:102
46569950,5cyclictest0-21swapper/211:25:512
46569950,5cyclictest0-21swapper/210:34:562
46569950,5cyclictest0-21swapper/210:28:412
46569950,5cyclictest0-21swapper/210:22:262
46569950,5cyclictest0-21swapper/210:11:572
46569950,5cyclictest0-21swapper/210:08:272
46569950,5cyclictest0-21swapper/209:44:192
46569950,0cyclictest0-21swapper/212:29:012
46439951,3cyclictest0-21swapper/111:15:131
46439951,3cyclictest0-21swapper/110:15:101
46439951,2cyclictest0-21swapper/112:35:111
46439951,2cyclictest0-21swapper/110:50:131
46439951,2cyclictest0-21swapper/110:45:131
46439951,2cyclictest0-21swapper/109:15:111
46439951,2cyclictest0-21swapper/109:00:121
46439951,2cyclictest0-21swapper/108:10:121
46439951,2cyclictest0-21swapper/107:35:111
46339952,2cyclictest7352-21kworker/0:010:25:300
46339952,2cyclictest7352-21kworker/0:009:14:100
46339950,5cyclictest0-21swapper/010:21:050
46339950,3cyclictest12094-21ssh10:53:460
46339950,0cyclictest0-21swapper/011:50:260
31173250,0sleep031175-21fschecks_count09:25:130
24062250,0sleep10-21swapper/109:21:131
16952250,0sleep10-21swapper/109:34:391
46699943,1cyclictest12407-21df11:10:103
46699942,2cyclictest13184-21ssh10:21:013
46699942,2cyclictest0-21swapper/309:41:543
46699942,1cyclictest8794-21ssh09:30:113
46699942,1cyclictest11488-21ssh12:31:373
46699941,2cyclictest0-21swapper/308:20:123
46699941,2cyclictest0-21swapper/308:20:123
46699940,4cyclictest7313-21apt-get10:35:123
46699940,4cyclictest3017-21ssh10:49:183
46699940,4cyclictest0-21swapper/312:35:103
46699940,4cyclictest0-21swapper/312:28:203
46699940,4cyclictest0-21swapper/311:24:553
46699940,4cyclictest0-21swapper/310:50:123
46699940,4cyclictest0-21swapper/310:40:133
46699940,4cyclictest0-21swapper/310:30:043
46699940,4cyclictest0-21swapper/309:55:123
46699940,4cyclictest0-21swapper/309:54:543
46699940,4cyclictest0-21swapper/309:20:103
46699940,4cyclictest0-21swapper/309:15:353
46699940,4cyclictest0-21swapper/308:45:193
46699940,4cyclictest0-21swapper/308:15:113
46699940,3cyclictest7505-21ntp_states07:15:003
46699940,3cyclictest4770-21apt-config07:10:003
46699940,3cyclictest32618-21latency_hist09:10:013
46699940,3cyclictest27651-21apt-config08:59:593
46699940,3cyclictest25186-21cat08:55:003
46699940,3cyclictest24277-21latency_hist11:00:003
46699940,3cyclictest2049-21ssh12:10:193
46699940,3cyclictest14122-21ntp_states10:05:163
46699940,3cyclictest10906-21df08:25:133
46699940,2cyclictest708-21ssh09:10:133
46699940,1cyclictest6969-21ntp_states09:45:193
46699940,1cyclictest12422-21awk12:15:213
46699940,0cyclictest0-21swapper/310:15:063
46699940,0cyclictest0-21swapper/309:29:493
46699940,0cyclictest0-21swapper/307:27:273
46569944,0cyclictest0-21swapper/209:17:502
46569944,0cyclictest0-21swapper/207:10:132
46569943,1cyclictest7782-21head11:40:192
46569942,2cyclictest27972-21kworker/2:210:53:302
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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