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2026-07-10 - 08:11
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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 rack5slot0.osadl.org (updated Fri Jul 10, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1401121340,4sleep21878499cyclictest22:11:222
1300721230,0sleep313009-21id23:32:063
1857421210,0sleep00-21swapper/021:47:310
3092221130,4sleep11878399cyclictest22:02:481
18471210732,47sleep30-21swapper/319:09:203
1834029432,41sleep10-21swapper/119:07:391
95212890,0sleep00-21swapper/023:02:290
208322880,1sleep10-21swapper/122:34:291
180412870,1sleep10-21swapper/123:59:051
62892840,2sleep20-21swapper/223:38:592
234702830,2sleep30-21swapper/321:22:333
12832830,1sleep20-21swapper/222:28:532
306102820,0sleep00-21swapper/022:57:130
95282810,3sleep20-21swapper/200:05:362
53702800,2sleep22024-21nfsd00:27:352
137662770,1sleep30-21swapper/300:28:413
160862750,1sleep01878299cyclictest22:26:550
117472750,1sleep311745-21sshd00:17:063
298932740,2sleep30-21swapper/321:31:163
112732740,1sleep111270-21sshd21:36:101
92292730,1sleep20-21swapper/200:01:352
127232730,1sleep312716-21sshd21:57:213
196972720,2sleep30-21swapper/323:25:423
291072680,4sleep11878399cyclictest22:16:381
192822670,3sleep31878599cyclictest21:18:213
1835626632,12sleep20-21swapper/219:07:522
209852650,1sleep00-21swapper/000:33:190
51712640,4sleep31878599cyclictest21:53:033
241482620,2sleep01878299cyclictest00:10:420
101442620,2sleep20-21swapper/223:13:212
144772610,0sleep00-21swapper/000:17:280
113492580,3sleep31878599cyclictest00:35:423
113492580,3sleep31878599cyclictest00:35:413
25542570,3sleep11878399cyclictest21:31:491
1846824832,13sleep00-21swapper/019:09:170
15662410,0sleep01567-21bash22:13:370
245382400,38sleep2144650irq/27-eth022:34:552
114982400,38sleep1144650irq/27-eth022:26:251
97982390,0sleep00-21swapper/022:47:150
293912370,0sleep229393-21id21:15:522
45302311,27sleep3144650irq/27-eth022:29:153
138602292,25sleep1144650irq/27-eth021:54:031
56452280,2sleep25646-21nfsd419:50:182
308072280,1sleep30-21swapper/323:49:173
297662280,2sleep20-21swapper/200:19:292
252382281,25sleep1144650irq/27-eth021:55:151
137352280,1sleep08-21rcu_preempt22:18:490
53522260,4sleep22024-21nfsd00:20:212
125422260,24sleep3144650irq/27-eth021:43:273
140792250,2sleep30-21swapper/322:15:003
13962250,3sleep041ktimersoftd/022:21:140
257322230,2sleep125726-21munin-run23:29:591
72912220,0sleep00-21swapper/022:00:140
300372220,2sleep10-21swapper/123:19:261
298222220,4sleep30-21swapper/300:30:373
92312210,9sleep10-21swapper/121:46:301
49472210,18sleep3144650irq/27-eth023:24:063
25312210,2sleep20-21swapper/222:17:232
1878499215,3cyclictest5460-21sshd23:57:402
1878499211,15cyclictest15833-21bash21:40:162
1878499211,13cyclictest14323-21bash22:22:562
184302210,2sleep218433-21bash00:13:572
37732200,18sleep3144650irq/27-eth023:05:223
1878599207,4cyclictest0-21swapper/321:35:203
168642200,3sleep30-21swapper/322:34:033
1878599198,3cyclictest0-21swapper/323:40:193
1878599198,3cyclictest0-21swapper/300:00:093
1878599197,4cyclictest17575-21sshd22:01:183
1878599190,12cyclictest13930-21sshd23:10:043
1878499194,10cyclictest20430-21id21:58:112
102602190,17sleep1144650irq/27-eth022:54:541
1878499182,9cyclictest20223-21bash21:51:082
18784991814,3cyclictest11055-21gltestperf21:10:132
1878499180,2cyclictest0-21swapper/222:05:552
1878399180,12cyclictest22262-21sshd23:48:201
1878299180,7cyclictest28844-21sshd00:26:330
140222180,4sleep11878399cyclictest23:06:271
251852170,0sleep041ktimersoftd/020:35:110
251852170,0sleep041ktimersoftd/020:35:110
231222170,2sleep10-21swapper/119:20:001
1878599179,6cyclictest0-21swapper/322:20:173
1878599179,4cyclictest144650irq/27-eth022:44:503
1878599171,11cyclictest0-21swapper/322:50:153
1878599171,11cyclictest0-21swapper/320:41:283
1878599171,11cyclictest0-21swapper/300:23:193
1878499178,3cyclictest0-21swapper/200:33:222
1878499178,0cyclictest0-21swapper/200:36:052
1878499178,0cyclictest0-21swapper/200:36:052
1878499176,4cyclictest4694-21sshd22:00:002
1878499173,9cyclictest28503-21bash23:41:182
1878499173,6cyclictest18083-21sshd22:37:382
1878499173,13cyclictest0-21swapper/220:05:222
1878499172,14cyclictest153250irq/28-eth1-rx-21:27:512
1878499171,8cyclictest30353-21sshd21:31:182
1878499171,6cyclictest23078-21sshd23:22:122
1878499171,0cyclictest0-21swapper/223:29:212
1878399178,4cyclictest21721-21sshd23:14:561
1878399173,1cyclictest5822-21sshd23:02:051
1878399171,11cyclictest0-21swapper/100:19:051
1878399170,8cyclictest0-21swapper/121:23:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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