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2025-12-02 - 11:42
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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 Tue Dec 02, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
328821770,2sleep1798999cyclictest23:12:101
90721750,2sleep1798999cyclictest23:48:501
3261921460,1sleep20-21swapper/221:34:262
2686421430,2sleep126856-21sshd23:05:131
907321400,4sleep2799399cyclictest22:57:162
3108021350,2sleep0798499cyclictest00:17:050
1308521330,3sleep00-21swapper/023:03:500
2638221320,5sleep3799899cyclictest21:27:463
1672521260,1sleep20-21swapper/221:38:592
592121230,3sleep0798499cyclictest22:23:220
592121230,3sleep0798499cyclictest22:23:220
1867221210,3sleep3799899cyclictest23:44:183
992221160,4sleep3799899cyclictest21:38:213
3123921140,0sleep00-21swapper/022:04:350
2023521070,2sleep20-21swapper/222:36:512
636921010,1sleep10-21swapper/100:08:251
42252990,2sleep34224-21bash21:31:423
251772990,1sleep0798499cyclictest22:43:270
113512990,2sleep30-21swapper/300:34:573
761429633,42sleep30-21swapper/319:08:233
326092950,1sleep00-21swapper/022:28:550
28912930,2sleep20-21swapper/222:53:352
323342900,2sleep00-21swapper/000:23:520
286262900,2sleep11848-21nfsd21:30:571
263822860,4sleep2799399cyclictest23:11:152
90982840,2sleep39097-21bash23:09:433
248502840,2sleep10-21swapper/123:01:521
746928330,49sleep10-21swapper/119:06:491
213022830,2sleep221294-21sshd23:16:552
19212820,2sleep21846-21nfsd22:20:002
167762820,1sleep021630-21kworker/0:023:53:300
166782810,1sleep20-21swapper/223:25:382
162932810,2sleep116294-21bash22:30:221
65482800,3sleep10-21swapper/123:58:521
316202800,2sleep2799399cyclictest23:39:212
301562790,2sleep30-21swapper/322:01:213
212012780,2sleep121200-21sshd00:00:161
108322780,0sleep01848-21nfsd23:46:360
163512760,1sleep20-21swapper/221:45:012
16032760,2sleep30-21swapper/321:49:423
205822750,1sleep1798999cyclictest22:24:471
205822750,1sleep1798999cyclictest22:24:471
85782740,2sleep30-21swapper/322:23:383
85782740,2sleep30-21swapper/322:23:383
15042730,2sleep31498-21sshd00:24:023
293272720,1sleep0798499cyclictest21:12:560
765827133,9sleep20-21swapper/219:08:582
63202700,0sleep21848-21nfsd21:22:522
182392660,3sleep0798499cyclictest00:25:480
93442620,1sleep30-21swapper/321:23:093
770026032,4sleep00-21swapper/019:09:280
87622550,3sleep2799399cyclictest23:31:032
212912550,2sleep10-21swapper/122:06:371
217362500,1sleep30-21swapper/321:54:353
169462500,1sleep10-21swapper/123:22:391
323112431,40sleep1135650irq/27-eth022:47:091
7998993934,2cyclictest0-21swapper/322:55:003
7984993732,4cyclictest29896-21sshd21:40:140
22062360,33sleep1135650irq/27-eth022:01:491
213582350,1sleep20-21swapper/221:27:172
7998993125,2cyclictest1959-21sshd00:07:003
240042310,4sleep20-21swapper/222:40:162
20692310,2sleep10-21swapper/121:28:331
100542310,4sleep20-21swapper/200:02:202
7993992910,4cyclictest20898-21sshd00:16:042
105222290,0sleep00-21swapper/019:15:130
799399273,7cyclictest0-21swapper/221:54:262
798999263,11cyclictest17228-21sshd22:27:271
7989992616,3cyclictest1845-21nfsd00:13:431
7989992611,5cyclictest21156-21sshd21:12:081
7989992610,3cyclictest0-21swapper/123:50:191
7984992614,5cyclictest3-21ksoftirqd/022:36:270
7998992511,3cyclictest12253-21sshd00:25:143
7993992513,3cyclictest8668-21sshd22:14:342
798999258,3cyclictest0-21swapper/123:15:041
798999257,10cyclictest1847-21nfsd00:15:481
7989992514,3cyclictest0-21swapper/122:59:171
7984992513,6cyclictest3-21ksoftirqd/023:17:050
7984992510,6cyclictest3-21ksoftirqd/023:56:120
261112250,1sleep00-21swapper/021:00:150
25612250,21sleep1135650irq/27-eth000:24:141
16452250,3sleep0798499cyclictest00:37:190
799899249,5cyclictest135650irq/27-eth022:10:203
7993992415,6cyclictest1240-21sshd23:21:072
799399241,0cyclictest0-21swapper/222:49:212
798999244,17cyclictest22-21ksoftirqd/121:52:451
7989992418,3cyclictest0-21swapper/122:18:131
7989992416,4cyclictest1959-21sshd21:43:441
798999241,20cyclictest22-21ksoftirqd/122:40:011
7989992411,3cyclictest10950irq/23-ehci_hcd00:26:461
7989992411,2cyclictest1846-21nfsd23:29:131
798999240,17cyclictest22-21ksoftirqd/121:47:471
7984992412,5cyclictest3-21ksoftirqd/000:30:520
48442240,2sleep30-21swapper/323:30:403
151382240,2sleep20-21swapper/223:59:442
147852240,2sleep114783-21bash23:37:431
7993992315,5cyclictest0-21swapper/222:30:262
7989992320,2cyclictest0-21swapper/122:41:021
7989992316,4cyclictest28436-21sshd21:55:131
7984992313,5cyclictest3-21ksoftirqd/022:58:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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