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2025-11-24 - 17:02
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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 Mon Nov 24, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22262299130,12cyclictest0-21swapper/311:50:123
222622991211,0cyclictest0-21swapper/309:55:003
222622991211,0cyclictest0-21swapper/309:05:143
22262299120,11cyclictest69450irq/121-eno112:14:113
22262299120,11cyclictest69450irq/121-eno108:54:213
22262299120,11cyclictest0-21swapper/312:20:133
22262299118,2cyclictest69450irq/121-eno108:45:143
222622991110,0cyclictest0-21swapper/308:55:113
22262299110,11cyclictest0-21swapper/309:20:193
22262299110,10cyclictest69450irq/121-eno110:14:263
22262299110,10cyclictest69450irq/121-eno107:44:353
22262299110,10cyclictest0-21swapper/310:55:183
22262299110,10cyclictest0-21swapper/308:00:183
22262299110,10cyclictest0-21swapper/307:55:013
22262299110,0cyclictest0-21swapper/311:20:203
22262299110,0cyclictest0-21swapper/309:00:313
22262299109,1cyclictest69450irq/121-eno112:26:203
22262299109,1cyclictest69450irq/121-eno107:35:123
22262299109,0cyclictest0-21swapper/308:35:133
222622991010,0cyclictest69450irq/121-eno112:08:453
222622991010,0cyclictest69450irq/121-eno110:02:143
222622991010,0cyclictest69450irq/121-eno107:45:173
222622991010,0cyclictest0-21swapper/312:35:143
222622991010,0cyclictest0-21swapper/310:45:013
22262299100,9cyclictest69450irq/121-eno111:59:593
22262299100,9cyclictest69450irq/121-eno111:45:153
22262299100,9cyclictest69450irq/121-eno108:31:203
22262299100,0cyclictest0-21swapper/311:25:003
22262299100,0cyclictest0-21swapper/310:50:123
22262299100,0cyclictest0-21swapper/310:30:013
2224712101,4sleep30-21swapper/307:09:563
2226229999,0cyclictest69450irq/121-eno111:15:173
2226229999,0cyclictest69450irq/121-eno111:14:053
2226229999,0cyclictest69450irq/121-eno109:55:133
2226229999,0cyclictest69450irq/121-eno109:30:133
2226229999,0cyclictest69450irq/121-eno108:15:163
2226229999,0cyclictest0-21swapper/310:35:133
2226229999,0cyclictest0-21swapper/308:40:143
2226229999,0cyclictest0-21swapper/308:10:183
2226229998,0cyclictest69450irq/121-eno110:46:573
2226229998,0cyclictest0-21swapper/309:10:123
2226229990,9cyclictest0-21swapper/309:45:163
2226229990,8cyclictest69450irq/121-eno112:01:533
2226229990,8cyclictest69450irq/121-eno112:01:523
2226229990,8cyclictest69450irq/121-eno108:29:583
2226229990,0cyclictest0-21swapper/311:30:173
2226229990,0cyclictest0-21swapper/309:40:193
2226229988,0cyclictest69450irq/121-eno112:15:203
2226229988,0cyclictest69450irq/121-eno110:05:203
2226229988,0cyclictest69450irq/121-eno107:27:563
2226229988,0cyclictest0-21swapper/310:25:123
2226229988,0cyclictest0-21swapper/309:25:223
2226229987,1cyclictest69450irq/121-eno107:10:123
2226229986,2cyclictest69450irq/121-eno107:19:563
2226229980,7cyclictest69450irq/121-eno107:30:123
2226229980,7cyclictest0-21swapper/308:05:143
2226229980,6cyclictest69450irq/121-eno109:15:133
2226229977,0cyclictest69450irq/121-eno112:34:463
2226229977,0cyclictest69450irq/121-eno110:20:183
2226229977,0cyclictest69450irq/121-eno110:15:413
2226229977,0cyclictest69450irq/121-eno107:54:493
2226229977,0cyclictest69450irq/121-eno107:20:113
2226229977,0cyclictest0-21swapper/311:35:173
2226229977,0cyclictest0-21swapper/309:35:003
2226229970,6cyclictest69450irq/121-eno108:20:213
2226229966,0cyclictest69450irq/121-eno111:05:193
2226229966,0cyclictest69450irq/121-eno111:01:013
2226229960,4cyclictest69450irq/121-eno111:40:133
255282240,3sleep0255490-21grep08:30:260
222203242,1sleep20-21swapper/207:06:272
221591241,1sleep00-21swapper/007:05:200
350385231,1sleep10-21swapper/112:20:171
331852230,2sleep2332025-21timerwakeupswit11:35:202
326730230,2sleep1326732-21ssh11:25:091
324382230,1sleep0324410-21apt-get11:20:130
308978232,1sleep2308980-21ssh10:42:322
244474230,2sleep1244522-21cat08:05:011
220570231,1sleep10-21swapper/107:05:011
346830220,1sleep00-21swapper/012:10:240
340745220,1sleep1340747-21ssh11:57:031
333831220,1sleep20-21swapper/211:40:312
328856220,1sleep0328975-21tail11:30:130
323846220,1sleep1324351-21store11:20:021
317871220,1sleep20-21swapper/211:05:142
307152220,0sleep00-21swapper/010:40:020
300640220,1sleep0300674-21munin-run10:25:000
297712220,1sleep1297996-21users10:15:211
295548220,1sleep2295726-21timerwakeupswit10:10:222
275394220,1sleep00-21swapper/009:25:000
271394220,1sleep0271408-21munin-run09:15:010
271050220,1sleep1271053-21sshd09:11:201
270340220,1sleep2270433-21ntp_states09:10:172
264317220,1sleep10-21swapper/108:55:161
264051220,1sleep0264316-21df08:55:150
260194220,1sleep1260490-21df08:45:151
257887220,2sleep2596-21dbus-daemon08:40:002
256389220,1sleep1256654-21diskstats08:35:151
249163220,1sleep1249317-21ntp_states08:15:181
249039220,1sleep00-21swapper/008:15:170
244721220,0sleep10-21swapper/108:05:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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