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2026-06-10 - 16:31
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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 Wed Jun 10, 2026 12:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2973347991210,1cyclictest0-21swapper/311:05:123
2973347991210,1cyclictest0-21swapper/308:10:113
297334799120,8cyclictest0-21swapper/309:45:123
297334799120,11cyclictest0-21swapper/312:35:193
297334799120,11cyclictest0-21swapper/312:20:103
297334799120,11cyclictest0-21swapper/310:45:133
297334799120,11cyclictest0-21swapper/310:35:023
297334799120,11cyclictest0-21swapper/309:25:113
297334799120,11cyclictest0-21swapper/308:55:003
297334799120,10cyclictest0-21swapper/309:55:103
297334799119,1cyclictest0-21swapper/308:00:123
2973347991111,0cyclictest0-21swapper/309:00:103
2973347991110,0cyclictest0-21swapper/309:50:173
2973347991110,0cyclictest0-21swapper/307:35:563
297334799110,8cyclictest0-21swapper/308:35:133
297334799110,10cyclictest0-21swapper/309:40:173
297334799110,10cyclictest0-21swapper/307:13:193
297334799109,0cyclictest0-21swapper/310:55:123
297334799109,0cyclictest0-21swapper/309:25:013
297334799109,0cyclictest0-21swapper/308:20:113
2973347991010,0cyclictest0-21swapper/312:00:153
2973347991010,0cyclictest0-21swapper/311:15:023
2973347991010,0cyclictest0-21swapper/310:54:563
2973347991010,0cyclictest0-21swapper/310:00:193
2973347991010,0cyclictest0-21swapper/307:20:123
2973347991010,0cyclictest0-21swapper/307:15:003
297334799100,9cyclictest0-21swapper/312:10:113
297334799100,9cyclictest0-21swapper/312:10:003
297334799100,9cyclictest0-21swapper/311:25:133
297334799100,9cyclictest0-21swapper/310:20:173
297334799100,0cyclictest0-21swapper/311:15:183
297334799100,0cyclictest0-21swapper/308:30:103
297334799100,0cyclictest0-21swapper/308:05:133
297334799100,0cyclictest0-21swapper/308:00:003
297334799100,0cyclictest0-21swapper/307:50:183
29733479999,0cyclictest0-21swapper/311:00:113
29733479999,0cyclictest0-21swapper/310:25:123
29733479999,0cyclictest0-21swapper/309:15:113
29733479999,0cyclictest0-21swapper/308:45:013
29733479998,0cyclictest0-21swapper/311:20:483
29733479990,9cyclictest0-21swapper/307:25:123
29733479990,8cyclictest0-21swapper/310:15:153
29733479990,0cyclictest0-21swapper/308:15:193
29733479988,0cyclictest0-21swapper/310:10:093
29733479988,0cyclictest0-21swapper/309:05:123
29733479988,0cyclictest0-21swapper/308:45:183
29733479987,0cyclictest0-21swapper/312:30:123
29733479987,0cyclictest0-21swapper/312:15:113
29733479987,0cyclictest0-21swapper/309:35:113
29733479987,0cyclictest0-21swapper/309:12:453
29733479980,8cyclictest0-21swapper/311:55:133
29733479980,7cyclictest0-21swapper/308:55:163
29733479980,0cyclictest0-21swapper/310:05:133
29733479977,0cyclictest0-21swapper/308:25:133
2972323271,4sleep30-21swapper/307:05:193
29733479966,0cyclictest0-21swapper/311:34:553
29733479966,0cyclictest0-21swapper/307:35:003
29733479955,0cyclictest0-21swapper/307:40:103
29733479954,0cyclictest0-21swapper/311:50:123
29733479950,5cyclictest0-21swapper/311:35:123
29733479950,4cyclictest0-21swapper/312:30:013
2972874250,1sleep20-21swapper/207:05:492
3062400240,3sleep03062472-21/usr/sbin/munin10:50:140
29733479944,0cyclictest0-21swapper/310:35:123
29733479940,4cyclictest0-21swapper/309:30:123
29733479940,3cyclictest3083557-21chrt11:40:153
29733479940,3cyclictest3057808-21chrt10:40:083
29733479940,3cyclictest2989351-21chrt07:48:253
29733479940,0cyclictest0-21swapper/311:45:183
2972046241,1sleep10-21swapper/107:05:161
2981893230,1sleep12981919-21apt-get07:30:101
2972469231,0sleep00-21swapper/007:05:190
3107808220,1sleep10-21swapper/112:39:181
3103552220,1sleep10-21swapper/112:28:291
3102418220,1sleep23102620-21ntpq12:25:152
3097462220,1sleep13097476-21munin-run12:15:001
3091469220,1sleep13091498-21aten_r1power_cu12:00:121
3085581220,1sleep23085664-21idleruntime11:45:152
3078967220,1sleep03079079-21aten_r1power_po11:30:120
3077839220,1sleep00-21swapper/011:25:210
3071332220,1sleep13071436-21proc_pri11:10:171
3065669221,1sleep23065671-21ssh10:55:452
3056330220,1sleep13056484-21ntp_states10:35:181
3052157220,1sleep23052306-21ntp_states10:25:142
3051991220,1sleep13052156-21memory10:25:131
3049897220,1sleep23049979-21irqstats10:20:152
3037353220,1sleep00-21swapper/009:50:150
3036223220,1sleep03036227-21ssh09:46:060
3032343220,1sleep00-21swapper/009:38:500
3026415220,1sleep03026449-21unin-run09:25:000
3021271220,1sleep03021425-21ntp_states09:10:160
3018774220,1sleep13018923-21grep09:05:121
3005494220,0sleep00-21swapper/008:30:140
3003917220,1sleep03004050-21awk08:25:160
2989363220,1sleep02989366-21sshd07:48:340
2976778220,1sleep02976999-21sed07:15:170
3106354210,0sleep20-21swapper/212:35:142
3106066210,0sleep00-21swapper/012:35:130
3105655210,0sleep20-21swapper/212:33:392
3105384210,0sleep10-21swapper/112:31:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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