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2026-09-01 - 21:01
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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 Sep 01, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
93722203188,11sleep10-21swapper/107:08:441
93712185169,12sleep00-21swapper/007:08:430
91712184167,12sleep30-21swapper/307:06:093
92842118101,13sleep20-21swapper/207:07:372
102012460,0sleep10-21swapper/112:11:211
61692450,0sleep30-21swapper/309:10:043
135832440,0sleep013307-21/usr/sbin/munin10:35:170
108192440,0sleep10-21swapper/108:15:011
101362440,0sleep10-21swapper/110:33:211
86712430,0sleep30-21swapper/309:43:473
318842420,0sleep10-21swapper/112:39:271
133122420,0sleep213314-21latency_hist09:30:012
964299102,4cyclictest29935-21munin-run11:00:000
241262100,1sleep324127-21cstates09:35:143
999280,0sleep30-21swapper/310:28:503
96429981,6cyclictest0-21swapper/007:55:100
96429980,4cyclictest1999-21cron11:35:010
29829280,0sleep10-21swapper/109:37:571
96429973,4cyclictest25575-21awk07:40:000
96429970,3cyclictest8402-21/usr/sbin/munin08:10:180
96569961,4cyclictest0-21swapper/309:15:133
96569960,4cyclictest13646-21ssh12:30:123
19365260,0sleep10-21swapper/111:43:311
96569955,0cyclictest405-21kworker/3:008:48:193
96569955,0cyclictest405-21kworker/3:008:37:063
96569955,0cyclictest405-21kworker/3:008:25:563
96569955,0cyclictest405-21kworker/3:008:14:433
96569955,0cyclictest405-21kworker/3:008:03:313
96569955,0cyclictest405-21kworker/3:007:29:563
96569955,0cyclictest405-21kworker/3:007:18:443
96569950,5cyclictest0-21swapper/310:06:253
96569950,4cyclictest5935-21apt-get08:05:113
96569950,4cyclictest18751-21ssh09:48:533
96569950,4cyclictest1216-21diskstats10:45:133
96569950,4cyclictest0-21swapper/311:55:103
96569950,4cyclictest0-21swapper/311:00:123
96569950,0cyclictest0-21swapper/309:29:283
96519955,0cyclictest0-21swapper/209:54:282
96519950,5cyclictest0-21swapper/212:24:012
96519950,5cyclictest0-21swapper/210:32:162
96519950,5cyclictest0-21swapper/210:20:562
96519950,5cyclictest0-21swapper/207:15:152
96479952,2cyclictest0-21swapper/110:55:131
96479952,2cyclictest0-21swapper/109:00:091
96479951,2cyclictest0-21swapper/108:45:101
96479951,2cyclictest0-21swapper/107:55:101
96479951,1cyclictest0-21swapper/112:30:121
96479950,5cyclictest0-21swapper/111:20:491
96479950,5cyclictest0-21swapper/111:18:461
96479950,5cyclictest0-21swapper/109:32:161
96429952,1cyclictest0-21swapper/011:45:120
96429950,5cyclictest0-21swapper/010:53:230
96429950,5cyclictest0-21swapper/009:14:530
96569944,0cyclictest0-21swapper/312:39:213
96569944,0cyclictest0-21swapper/311:08:163
96569944,0cyclictest0-21swapper/309:30:113
96569943,1cyclictest4622-21cut09:05:193
96569942,1cyclictest24117-21ssh10:40:153
96569941,2cyclictest0-21swapper/312:20:093
96569941,2cyclictest0-21swapper/309:00:093
96569941,2cyclictest0-21swapper/307:10:113
96569941,1cyclictest0-21swapper/312:05:133
96569940,4cyclictest20988-21ssh12:00:193
96569940,4cyclictest0-21swapper/312:25:023
96569940,4cyclictest0-21swapper/312:15:113
96569940,4cyclictest0-21swapper/312:14:283
96569940,4cyclictest0-21swapper/311:45:123
96569940,4cyclictest0-21swapper/311:40:133
96569940,4cyclictest0-21swapper/311:25:113
96569940,4cyclictest0-21swapper/311:20:113
96569940,4cyclictest0-21swapper/310:18:303
96569940,4cyclictest0-21swapper/309:55:113
96569940,4cyclictest0-21swapper/309:52:323
96569940,4cyclictest0-21swapper/308:55:203
96569940,4cyclictest0-21swapper/307:40:113
96569940,3cyclictest6188-21rm10:30:493
96569940,3cyclictest5110-21ssh11:52:323
96569940,3cyclictest32635-21ssh11:17:013
96569940,3cyclictest30962-21chrt09:22:013
96569940,3cyclictest30930-21/usr/sbin/munin07:50:133
96569940,3cyclictest30120-21date11:00:003
96569940,3cyclictest26050-21taskset11:30:153
96569940,3cyclictest23068-21latency_hist07:35:013
96569940,3cyclictest18162-21ssh10:53:513
96569940,3cyclictest17868-21ssh11:10:133
96569940,3cyclictest15124-21ssh10:35:233
96569940,3cyclictest11433-21ssh10:00:453
96569940,3cyclictest0-21swapper/308:40:113
96519944,0cyclictest0-21swapper/211:58:592
96519944,0cyclictest0-21swapper/210:10:182
96519943,1cyclictest16473-21grep07:20:152
96519943,1cyclictest13154-21grep11:40:162
96519941,3cyclictest802-21snmpd11:45:162
96519941,3cyclictest10637-21cron08:15:002
96519940,4cyclictest9762-21apt-get07:10:112
96519940,4cyclictest31412-21diskstats08:55:142
96519940,4cyclictest2063-21ntp_states10:45:172
96519940,4cyclictest0-21swapper/212:35:112
96519940,4cyclictest0-21swapper/212:25:112
96519940,4cyclictest0-21swapper/212:17:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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