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2026-06-12 - 20:21
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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 Fri Jun 12, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2651247991311,1cyclictest0-21swapper/307:10:113
265124799130,12cyclictest0-21swapper/312:20:193
265124799130,12cyclictest0-21swapper/311:40:203
265124799130,11cyclictest0-21swapper/311:50:133
2651247991211,0cyclictest0-21swapper/312:25:013
2651247991211,0cyclictest0-21swapper/309:40:123
2651247991210,1cyclictest0-21swapper/308:50:123
265124799120,11cyclictest0-21swapper/311:10:183
265124799119,1cyclictest0-21swapper/309:20:123
265124799119,1cyclictest0-21swapper/308:55:113
265124799116,0cyclictest0-21swapper/310:45:003
2651247991111,0cyclictest0-21swapper/310:05:003
2651247991111,0cyclictest0-21swapper/309:05:123
2651247991110,0cyclictest0-21swapper/310:47:543
2651247991110,0cyclictest0-21swapper/310:00:003
265124799110,11cyclictest0-21swapper/312:05:173
265124799110,10cyclictest0-21swapper/312:40:013
265124799110,10cyclictest0-21swapper/310:30:143
265124799110,10cyclictest0-21swapper/309:00:203
265124799110,0cyclictest0-21swapper/311:40:013
265124799110,0cyclictest0-21swapper/310:50:183
265124799110,0cyclictest0-21swapper/307:44:563
265124799109,0cyclictest0-21swapper/312:05:013
265124799109,0cyclictest0-21swapper/310:25:113
265124799109,0cyclictest0-21swapper/307:25:163
265124799109,0cyclictest0-21swapper/307:15:013
2651247991010,0cyclictest0-21swapper/309:15:123
2651247991010,0cyclictest0-21swapper/308:45:213
2651247991010,0cyclictest0-21swapper/307:35:143
2651247991010,0cyclictest0-21swapper/307:30:143
265124799100,9cyclictest0-21swapper/310:10:163
265124799100,0cyclictest0-21swapper/311:30:113
26508142101,6sleep30-21swapper/307:06:253
26512479999,0cyclictest0-21swapper/312:30:183
26512479999,0cyclictest0-21swapper/312:00:023
26512479999,0cyclictest0-21swapper/311:20:013
26512479999,0cyclictest0-21swapper/310:15:183
26512479999,0cyclictest0-21swapper/309:50:003
26512479999,0cyclictest0-21swapper/308:19:083
26512479998,0cyclictest0-21swapper/312:10:153
26512479998,0cyclictest0-21swapper/307:54:553
26512479990,8cyclictest0-21swapper/308:00:033
26512479988,0cyclictest0-21swapper/309:50:083
26512479988,0cyclictest0-21swapper/309:30:123
26512479988,0cyclictest0-21swapper/308:35:183
26512479988,0cyclictest0-21swapper/308:30:183
26512479987,0cyclictest0-21swapper/310:55:203
26512479977,0cyclictest0-21swapper/311:45:193
26512479977,0cyclictest0-21swapper/310:35:173
26512479977,0cyclictest0-21swapper/308:10:153
26512479977,0cyclictest0-21swapper/307:55:173
26512479970,6cyclictest0-21swapper/308:05:233
26512479966,0cyclictest0-21swapper/310:08:543
26512479966,0cyclictest0-21swapper/309:29:283
26512479966,0cyclictest0-21swapper/308:25:213
2650961261,1sleep10-21swapper/107:08:191
2649431261,2sleep20-21swapper/207:05:122
26512479955,0cyclictest0-21swapper/312:17:323
26512479955,0cyclictest0-21swapper/311:05:093
26512479955,0cyclictest0-21swapper/311:02:443
26512479955,0cyclictest0-21swapper/309:35:103
26512479955,0cyclictest0-21swapper/309:15:003
26512479955,0cyclictest0-21swapper/307:20:123
26512479954,1cyclictest0-21swapper/308:20:133
26512479953,1cyclictest0-21swapper/307:45:123
2740575240,0sleep00-21swapper/010:47:520
2667032240,3sleep02667275-21/usr/sbin/munin07:45:210
26512479944,0cyclictest0-21swapper/311:26:213
26512479944,0cyclictest0-21swapper/311:20:563
26512479944,0cyclictest0-21swapper/310:20:053
26512479940,3cyclictest2688650-21chrt08:40:303
2649595241,1sleep00-21swapper/007:05:150
2766928230,0sleep00-21swapper/011:50:160
2657697230,2sleep12657794-21cut07:25:161
2775270220,1sleep02775347-21interrupts12:10:140
2774833220,1sleep12774860-21apt-get12:10:111
2765191220,0sleep20-21swapper/211:45:182
2764408221,0sleep00-21swapper/011:45:130
2764016220,0sleep00-21swapper/011:43:470
2759755220,1sleep00-21swapper/011:33:080
2756056220,1sleep00-21swapper/011:25:100
2748978220,0sleep00-21swapper/011:07:250
2745367220,1sleep12745453-21telnet11:00:151
2736108220,1sleep12736186-21unin-run10:40:011
2723477220,0sleep00-21swapper/010:09:010
2719867220,1sleep20-21swapper/210:00:152
2715239220,1sleep22715310-21/usr/sbin/munin09:50:142
2712415220,0sleep20-21swapper/209:40:432
2709616220,1sleep00-21swapper/009:35:150
2708541220,0sleep20-21swapper/209:33:252
2708286220,1sleep00-21swapper/009:30:520
2704444220,0sleep00-21swapper/009:23:140
2692820220,1sleep02692836-21munin-plugin-st08:55:020
2676687220,1sleep22676793-21python308:10:202
2672000220,1sleep12672026-21apt08:00:101
2667651220,1sleep00-21swapper/007:50:010
2664691220,1sleep22664840-21ntp_states07:40:192
2659641220,1sleep02659904-21/usr/sbin/munin07:30:170
2656142220,1sleep02656213-21/usr/sbin/munin07:20:150
2654637220,1sleep02654742-21smart_sda07:15:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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