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2026-04-20 - 07:34
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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 Mon Apr 20, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
883821300,3sleep01710499cyclictest22:25:040
1466021180,3sleep21710699cyclictest23:17:362
1634121130,1sleep216340-21sshd23:54:232
248621030,2sleep10-21swapper/119:47:431
250302960,0sleep00-21swapper/021:30:030
1660029333,40sleep30-21swapper/319:06:553
72252900,2sleep30-21swapper/321:35:433
121772900,1sleep30-21swapper/323:28:153
7562880,2sleep22024-21nfsd22:17:172
283162880,3sleep00-21swapper/021:49:330
184212860,1sleep00-21swapper/023:11:050
1677528534,47sleep10-21swapper/119:09:051
160092850,4sleep30-21swapper/321:55:583
159052850,1sleep10-21swapper/122:18:561
308032830,2sleep10-21swapper/122:23:571
236732810,2sleep10-21swapper/100:34:501
302482800,2sleep20-21swapper/222:10:042
185382800,1sleep02512-21runrttasks22:04:330
31872790,2sleep20-21swapper/222:06:312
156192790,0sleep122-21ksoftirqd/121:28:511
156192790,0sleep122-21ksoftirqd/121:28:511
89432780,2sleep18940-21bash00:22:431
201912780,2sleep20-21swapper/200:16:232
174262770,3sleep01710499cyclictest00:12:370
136612770,2sleep213660-21bash21:39:572
74542760,3sleep21710699cyclictest00:04:042
293572760,3sleep10-21swapper/123:33:541
94882750,1sleep19475-21sshd23:27:571
314632750,3sleep10-21swapper/122:39:201
117222750,4sleep11710599cyclictest22:07:371
66132730,0sleep00-21swapper/000:39:580
126342730,3sleep20-21swapper/221:32:282
247502710,3sleep20-21swapper/222:46:302
215562710,0sleep00-21swapper/021:18:210
215562710,0sleep00-21swapper/021:18:200
228772690,1sleep00-21swapper/021:44:490
36822680,2sleep01710499cyclictest00:32:360
49032660,2sleep32512-21runrttasks21:05:123
146162650,2sleep214612-21sshd00:08:332
1616825733,10sleep20-21swapper/219:05:222
1673524733,11sleep00-21swapper/019:08:370
160662470,2sleep216064-21bash22:25:432
74722330,2sleep30-21swapper/300:07:383
243142310,3sleep00-21swapper/023:55:130
18922291,26sleep1144650irq/27-eth022:51:311
152692280,2sleep315267-21grep22:45:193
65702270,3sleep01710499cyclictest22:52:010
201532270,3sleep21710699cyclictest00:12:542
262182260,2sleep20-21swapper/200:31:292
307352250,3sleep10-21swapper/122:43:171
236422250,22sleep2144650irq/27-eth023:29:312
149202250,1sleep20-21swapper/223:14:152
83122240,2sleep28311-21sshd23:06:342
286182240,3sleep00-21swapper/021:38:040
237172240,0sleep323715-21sshd22:34:173
1710799241,16cyclictest11868-21timerwakeupswit21:10:233
240212230,0sleep00-21swapper/022:46:240
214222230,2sleep121421-21sshd23:08:011
256022220,1sleep20-21swapper/221:41:072
226012220,3sleep01710499cyclictest21:25:330
226012220,3sleep01710499cyclictest21:25:330
215252210,1sleep00-21swapper/023:44:320
252352200,18sleep1144650irq/27-eth021:45:071
193912200,18sleep1144650irq/27-eth022:33:441
1710599200,19cyclictest0-21swapper/122:57:551
265382190,1sleep20-21swapper/222:57:482
190372190,0sleep00-21swapper/000:23:500
1710799190,14cyclictest0-21swapper/321:41:353
17105991912,6cyclictest11563-21sshd00:19:261
1710799188,6cyclictest14670-21sshd23:40:133
1710799184,13cyclictest144650irq/27-eth023:32:083
1710799180,12cyclictest26650-21sshd22:05:233
1710599185,4cyclictest25897-21sshd21:22:091
89662170,15sleep1144650irq/27-eth023:24:091
89662170,15sleep1144650irq/27-eth023:24:091
216532172,13sleep1144650irq/27-eth021:11:291
1710799179,3cyclictest19706-21bash21:25:173
1710799179,3cyclictest19706-21bash21:25:173
1710799177,8cyclictest25970-21bash21:22:093
1710799171,15cyclictest0-21swapper/323:36:393
1710699176,0cyclictest33-21ksoftirqd/223:55:132
1710699175,3cyclictest10143-21bash23:24:172
1710699175,3cyclictest10143-21bash23:24:172
1710699171,11cyclictest11890-21sshd00:36:572
118972170,1sleep011892-21sshd23:24:310
118972170,1sleep011892-21sshd23:24:310
188602160,14sleep3144650irq/27-eth022:22:403
1710799168,6cyclictest7963-21sshd23:16:523
1710799168,3cyclictest0-21swapper/322:03:303
1710799166,4cyclictest27812-21sshd00:10:143
17107991613,2cyclictest0-21swapper/322:56:263
1710799160,4cyclictest8122-21sshd21:16:533
1710799160,4cyclictest8122-21sshd21:16:523
1710799160,3cyclictest12947-21sshd23:10:273
1710699168,4cyclictest8742-21sshd21:10:122
1710699166,9cyclictest5300-21sshd21:23:382
1710699166,9cyclictest0-21swapper/222:54:412
1710699165,5cyclictest153250irq/28-eth1-rx-23:31:452
1710699164,10cyclictest36-21rcuop/222:21:352
17106991612,3cyclictest25-21rcuop/121:17:372
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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