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2025-12-04 - 21:54
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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 Dec 04, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
416765699149,1cyclictest0-21swapper/308:20:133
4167656991311,1cyclictest0-21swapper/311:35:133
416765699130,12cyclictest0-21swapper/310:55:143
416765699130,11cyclictest0-21swapper/312:35:143
416765699129,1cyclictest0-21swapper/308:50:143
416765699120,1cyclictest0-21swapper/309:45:013
416765699120,11cyclictest0-21swapper/310:40:013
416765699120,11cyclictest0-21swapper/309:50:143
416765699120,11cyclictest0-21swapper/309:05:013
416765699120,10cyclictest0-21swapper/310:00:103
4167656991111,0cyclictest69450irq/121-eno110:15:193
4167656991111,0cyclictest0-21swapper/312:05:133
4167656991111,0cyclictest0-21swapper/311:25:003
4167656991110,0cyclictest0-21swapper/311:30:143
416765699110,10cyclictest69450irq/121-eno111:50:113
416765699110,10cyclictest69450irq/121-eno111:47:403
416765699110,10cyclictest69450irq/121-eno108:15:143
416765699110,10cyclictest0-21swapper/310:20:203
416765699110,0cyclictest0-21swapper/311:25:133
416765699110,0cyclictest0-21swapper/311:15:163
416765699110,0cyclictest0-21swapper/310:05:143
416765699110,0cyclictest0-21swapper/309:34:563
416765699110,0cyclictest0-21swapper/309:20:133
416765699110,0cyclictest0-21swapper/308:40:143
416765699110,0cyclictest0-21swapper/307:10:123
4167656991010,0cyclictest69450irq/121-eno112:00:163
4167656991010,0cyclictest69450irq/121-eno111:10:203
4167656991010,0cyclictest69450irq/121-eno110:45:193
4167656991010,0cyclictest69450irq/121-eno108:07:233
4167656991010,0cyclictest0-21swapper/312:20:133
4167656991010,0cyclictest0-21swapper/311:55:133
4167656991010,0cyclictest0-21swapper/310:50:183
4167656991010,0cyclictest0-21swapper/307:59:563
4167656991010,0cyclictest0-21swapper/307:25:193
416765699100,9cyclictest69450irq/121-eno112:15:583
416765699100,9cyclictest69450irq/121-eno109:15:353
416765699100,9cyclictest69450irq/121-eno109:05:233
416765699100,9cyclictest0-21swapper/309:45:383
416765699100,9cyclictest0-21swapper/309:35:143
416765699100,9cyclictest0-21swapper/308:10:123
416765699100,10cyclictest0-21swapper/309:10:193
416765699100,0cyclictest0-21swapper/307:40:033
41676569999,0cyclictest69450irq/121-eno112:33:073
41676569999,0cyclictest69450irq/121-eno112:25:223
41676569999,0cyclictest69450irq/121-eno111:41:013
41676569999,0cyclictest69450irq/121-eno110:12:123
41676569999,0cyclictest69450irq/121-eno109:55:213
41676569999,0cyclictest69450irq/121-eno109:25:183
41676569999,0cyclictest0-21swapper/308:40:013
41676569999,0cyclictest0-21swapper/308:25:103
41676569990,8cyclictest69450irq/121-eno112:14:593
41676569990,8cyclictest69450irq/121-eno110:30:053
41676569990,0cyclictest0-21swapper/311:00:023
41676569988,0cyclictest69450irq/121-eno110:25:143
41676569988,0cyclictest0-21swapper/307:20:193
41676569977,0cyclictest69450irq/121-eno107:35:113
41676569977,0cyclictest0-21swapper/307:45:193
41676569977,0cyclictest0-21swapper/307:30:193
41676569966,0cyclictest69450irq/121-eno111:08:223
41676569966,0cyclictest0-21swapper/310:40:113
41676569960,5cyclictest69450irq/121-eno107:15:023
4167473264,1sleep20-21swapper/207:09:302
4167229263,2sleep30-21swapper/307:06:233
41676569951,2cyclictest0-21swapper/307:50:133
41676569950,4cyclictest69450irq/121-eno108:57:253
41676569950,4cyclictest69450irq/121-eno108:46:183
41676569940,3cyclictest69450irq/121-eno108:30:173
41676569940,3cyclictest69450irq/121-eno108:00:153
4167202242,1sleep10-21swapper/107:06:021
76876230,2sleep277104-21sed11:20:222
52416230,2sleep152536-21aten_r1power_po10:25:151
4165851230,1sleep00-21swapper/007:05:130
95744220,1sleep10-21swapper/112:05:201
88677220,1sleep188924-21diskstats11:50:151
79832220,1sleep179836-21ssh11:29:501
79033220,1sleep00-21swapper/011:25:200
74445220,1sleep074603-21ntp_states11:15:210
70426220,1sleep00-21swapper/011:05:200
66127220,0sleep00-21swapper/010:55:230
61148220,1sleep00-21swapper/010:45:140
54451220,1sleep00-21swapper/010:30:050
52387220,1sleep052413-21apt-get10:25:140
44209220,1sleep00-21swapper/010:05:190
43493220,1sleep20-21swapper/210:05:142
4193418220,1sleep24193419-21sshd08:11:232
4187988220,0sleep00-21swapper/008:00:130
4185071220,1sleep04185315-21unixbench_multi07:50:190
39435220,1sleep139438-21ssh09:55:171
34895220,1sleep234904-21latency_hist09:45:012
29754220,1sleep129904-21ntp_states09:30:191
2576220,1sleep02726-21ntp_states08:20:170
108106220,0sleep00-21swapper/012:35:140
107855220,1sleep0107889-21munin-run12:35:010
107621220,0sleep10-21swapper/112:32:581
104467220,1sleep2104669-21/usr/sbin/munin12:25:192
99652210,0sleep00-21swapper/012:15:160
99282210,0sleep20-21swapper/212:15:142
99211210,0sleep10-21swapper/112:15:131
98249210,0sleep00-21swapper/012:11:040
97902210,0sleep10-21swapper/112:10:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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