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2026-06-11 - 10:01
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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
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Thu Jun 11, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
78206699140,12cyclictest0-21swapper/320:25:113
78206699130,9cyclictest0-21swapper/321:35:113
78206699130,1cyclictest0-21swapper/320:15:113
78206699130,12cyclictest0-21swapper/321:20:113
78206699130,11cyclictest0-21swapper/322:50:123
782066991211,0cyclictest0-21swapper/320:00:113
78206699120,11cyclictest0-21swapper/323:10:003
78206699120,11cyclictest0-21swapper/321:55:173
78206699120,11cyclictest0-21swapper/321:45:113
78206699120,11cyclictest0-21swapper/321:30:173
78206699120,11cyclictest0-21swapper/321:10:123
78206699120,11cyclictest0-21swapper/320:50:173
78206699120,11cyclictest0-21swapper/300:15:173
78206699120,0cyclictest0-21swapper/320:40:113
78206699119,2cyclictest790154-21turbostat19:34:553
782066991111,0cyclictest0-21swapper/323:25:133
78206699110,11cyclictest0-21swapper/319:15:003
78206699110,10cyclictest0-21swapper/323:15:003
78206699110,10cyclictest0-21swapper/320:20:113
78206699110,0cyclictest0-21swapper/322:10:183
78206699110,0cyclictest0-21swapper/322:00:123
78206699109,0cyclictest0-21swapper/322:30:003
78206699109,0cyclictest0-21swapper/322:10:003
78206699109,0cyclictest0-21swapper/321:50:123
78206699108,1cyclictest0-21swapper/322:20:113
782066991010,0cyclictest0-21swapper/322:55:123
782066991010,0cyclictest0-21swapper/321:10:013
782066991010,0cyclictest0-21swapper/320:55:123
782066991010,0cyclictest0-21swapper/319:20:153
782066991010,0cyclictest0-21swapper/300:00:013
78206699100,9cyclictest0-21swapper/322:45:003
78206699100,0cyclictest0-21swapper/323:35:013
78206699100,0cyclictest0-21swapper/322:15:183
78206699100,0cyclictest0-21swapper/321:25:163
78206699100,0cyclictest0-21swapper/319:50:173
78206699100,0cyclictest0-21swapper/319:35:133
78206699100,0cyclictest0-21swapper/300:35:133
78206699100,0cyclictest0-21swapper/300:30:103
7820669999,0cyclictest0-21swapper/322:35:183
7820669999,0cyclictest0-21swapper/322:30:113
7820669999,0cyclictest0-21swapper/300:30:013
7820669998,0cyclictest0-21swapper/319:25:103
7820669990,8cyclictest0-21swapper/322:45:173
7820669990,8cyclictest0-21swapper/300:25:023
7820669990,8cyclictest0-21swapper/300:04:563
7820669990,0cyclictest0-21swapper/323:40:193
7820669988,0cyclictest0-21swapper/323:20:013
7820669988,0cyclictest0-21swapper/321:40:203
7820669988,0cyclictest0-21swapper/320:30:103
7820669988,0cyclictest0-21swapper/320:13:413
7820669987,0cyclictest0-21swapper/323:50:113
7820669980,8cyclictest0-21swapper/320:35:183
780386281,4sleep30-21swapper/319:05:133
818956274,2sleep2766-21snmpd20:41:582
7820669977,0cyclictest0-21swapper/323:45:123
7820669977,0cyclictest0-21swapper/323:20:113
7820669977,0cyclictest0-21swapper/320:45:123
7820669977,0cyclictest0-21swapper/319:55:143
781693271,1sleep20-21swapper/219:06:442
861896260,4sleep2861914-21apt-get22:30:012
7820669966,0cyclictest0-21swapper/321:05:023
7820669965,0cyclictest0-21swapper/323:35:123
7820669960,5cyclictest0-21swapper/320:05:193
7820669960,5cyclictest0-21swapper/319:45:113
7820669955,0cyclictest0-21swapper/323:03:433
7820669955,0cyclictest0-21swapper/319:15:013
7820669954,0cyclictest0-21swapper/321:15:133
7820669954,0cyclictest0-21swapper/319:41:003
881971240,2sleep1881997-21apt-get23:15:121
862895240,3sleep0863031-21/usr/sbin/munin22:30:150
7820669944,0cyclictest0-21swapper/300:05:243
7820669940,2cyclictest0-21swapper/300:10:113
780595241,1sleep00-21swapper/019:05:150
909657230,1sleep1909685-21apt-get00:20:111
825685230,2sleep2825867-21cat21:00:152
780727231,0sleep10-21swapper/119:05:161
918255220,1sleep2683-21gdbus00:40:022
898840220,0sleep00-21swapper/023:54:080
891021220,1sleep0891106-21/usr/sbin/munin23:35:150
871157220,1sleep2871444-21df22:50:142
869371220,1sleep2869459-21irqstats22:45:142
868148220,1sleep0868163-21ssh22:40:190
866584220,1sleep10-21swapper/122:40:011
863032220,1sleep1863180-21ntp_states22:30:161
858008220,1sleep1857983-21/usr/sbin/munin22:20:111
857980220,1sleep00-21swapper/022:20:100
853104220,0sleep00-21swapper/022:06:090
840617220,2sleep2840619-21ssh21:36:332
839270220,1sleep1839511-21tr21:35:121
838239220,1sleep0838424-21users21:30:200
836597220,0sleep1836601-21ssh21:27:241
829792220,1sleep0829949-21mailstats21:10:180
824227220,1sleep20-21swapper/220:55:192
814128220,1sleep2814235-21latency20:30:132
810396220,1sleep2810568-21python320:20:172
808345220,1sleep2808452-21/usr/sbin/munin20:15:162
804279220,1sleep0804361-21/usr/sbin/munin20:05:140
796190220,1sleep00-21swapper/019:45:130
790407220,0sleep00-21swapper/019:30:120
783911220,1sleep2784496-21users19:15:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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