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2025-11-20 - 22:21
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Thu Nov 20, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28899999140,12cyclictest0-21swapper/309:15:113
28899999140,12cyclictest0-21swapper/307:50:123
28899999130,12cyclictest69450irq/121-eno108:40:093
28899999130,12cyclictest69450irq/121-eno107:33:353
28899999130,11cyclictest0-21swapper/307:25:113
288999991211,0cyclictest0-21swapper/311:00:023
28899999120,8cyclictest0-21swapper/308:05:113
28899999120,1cyclictest0-21swapper/311:20:153
28899999120,1cyclictest0-21swapper/310:30:123
28899999120,1cyclictest0-21swapper/307:10:123
28899999120,11cyclictest0-21swapper/312:00:193
28899999120,11cyclictest0-21swapper/311:30:013
28899999111,9cyclictest69450irq/121-eno111:52:033
288999991111,0cyclictest0-21swapper/310:50:203
288999991110,0cyclictest69450irq/121-eno108:15:163
288999991110,0cyclictest0-21swapper/307:50:003
28899999110,10cyclictest0-21swapper/311:55:133
28899999110,10cyclictest0-21swapper/310:49:393
28899999110,10cyclictest0-21swapper/309:35:003
28899999110,10cyclictest0-21swapper/308:45:113
28899999110,0cyclictest0-21swapper/312:30:123
28899999110,0cyclictest0-21swapper/308:15:003
28899999109,0cyclictest69450irq/121-eno111:01:553
288999991010,0cyclictest69450irq/121-eno111:11:273
288999991010,0cyclictest69450irq/121-eno109:20:163
288999991010,0cyclictest69450irq/121-eno108:54:383
288999991010,0cyclictest69450irq/121-eno108:24:583
288999991010,0cyclictest69450irq/121-eno107:55:103
288999991010,0cyclictest0-21swapper/312:35:133
288999991010,0cyclictest0-21swapper/312:30:003
288999991010,0cyclictest0-21swapper/310:35:193
288999991010,0cyclictest0-21swapper/307:40:123
28899999100,9cyclictest69450irq/121-eno111:40:163
28899999100,9cyclictest69450irq/121-eno110:23:033
28899999100,9cyclictest0-21swapper/309:40:013
28899999100,8cyclictest69450irq/121-eno110:10:153
28899999100,10cyclictest0-21swapper/308:30:183
28899999100,0cyclictest0-21swapper/312:20:173
28899999100,0cyclictest0-21swapper/309:50:323
28899999100,0cyclictest0-21swapper/308:00:183
28899999100,0cyclictest0-21swapper/307:39:293
2889999999,0cyclictest69450irq/121-eno111:31:313
2889999999,0cyclictest69450irq/121-eno110:40:293
2889999999,0cyclictest69450irq/121-eno110:27:293
2889999999,0cyclictest69450irq/121-eno108:35:193
2889999999,0cyclictest69450irq/121-eno107:20:143
2889999999,0cyclictest0-21swapper/311:05:193
2889999999,0cyclictest0-21swapper/310:17:023
2889999999,0cyclictest0-21swapper/310:00:123
2889999999,0cyclictest0-21swapper/310:00:013
2889999999,0cyclictest0-21swapper/309:00:013
2889999997,1cyclictest0-21swapper/312:15:143
2889999990,9cyclictest0-21swapper/311:15:183
2889999990,8cyclictest69450irq/121-eno112:10:493
2889999990,8cyclictest69450irq/121-eno109:25:123
2889999990,8cyclictest69450irq/121-eno107:18:513
2889999988,0cyclictest69450irq/121-eno111:38:443
2889999988,0cyclictest69450irq/121-eno109:49:103
2889999988,0cyclictest69450irq/121-eno109:40:173
2889999985,1cyclictest0-21swapper/309:05:103
2889999980,7cyclictest69450irq/121-eno112:05:143
2889999980,7cyclictest69450irq/121-eno111:45:473
2889999970,7cyclictest69450irq/121-eno110:08:053
2889999966,0cyclictest69450irq/121-eno109:11:073
2889999966,0cyclictest0-21swapper/308:25:363
287637261,3sleep30-21swapper/307:05:153
2889999954,1cyclictest69450irq/121-eno109:03:393
342840240,1sleep2342866-21apt-get09:25:122
338571240,1sleep0338605-21munin-run09:15:000
317118240,1sleep10-21swapper/108:20:141
288035241,1sleep20-21swapper/207:05:182
287936241,1sleep10-21swapper/107:05:171
417071230,2sleep0417170-21basename12:20:120
414671230,1sleep1414697-21apt-get12:15:131
356820230,0sleep10-21swapper/109:55:201
351428230,1sleep1351454-21apt-get09:45:151
292581230,0sleep10-21swapper/107:15:221
287211231,1sleep00-21swapper/007:05:120
424109220,1sleep2423315-21/usr/sbin/munin12:35:192
421228220,1sleep00-21swapper/012:30:140
416421220,0sleep20-21swapper/212:19:192
415977220,0sleep00-21swapper/012:15:240
412093220,1sleep00-21swapper/012:07:560
408412220,0sleep1408438-21apt-get12:00:121
402565220,1sleep1402649-21irqstats11:45:191
400475220,1sleep2400558-21kernelversion11:40:162
397476220,0sleep00-21swapper/011:33:010
394810220,1sleep00-21swapper/011:25:260
392812220,0sleep20-21swapper/211:21:062
384672220,1sleep00-21swapper/011:03:160
374682220,0sleep00-21swapper/010:40:100
363914220,0sleep20-21swapper/210:14:342
360843220,1sleep2361014-21python310:05:182
354595220,1sleep0354767-21python309:50:350
353253220,1sleep2353291-21munin-run09:50:012
345223220,1sleep1345510-21df09:30:141
319477220,1sleep00-21swapper/008:25:330
305517220,1sleep0305666-21cat07:50:150
302042220,1sleep00-21swapper/007:40:200
299674220,1sleep1299827-21memory07:35:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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