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2026-05-23 - 10:01
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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 Sat May 23, 2026 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
316021320,2sleep01697999cyclictest23:11:290
978021200,2sleep21698199cyclictest22:05:112
1022021130,1sleep10-21swapper/123:59:591
209721120,1sleep22089-21sshd22:19:102
3197721050,1sleep20-21swapper/200:21:122
1636229433,57sleep10-21swapper/119:05:361
1658928834,9sleep20-21swapper/219:08:182
80512870,1sleep38050-21sshd23:33:453
229302870,3sleep30-21swapper/322:21:153
1640828732,51sleep30-21swapper/319:06:033
159292860,2sleep3422-21jbd2/dm-0-823:27:123
300052850,3sleep20-21swapper/223:14:292
110802850,2sleep20-21swapper/221:20:272
285432820,0sleep00-21swapper/021:29:310
267262820,4sleep30-21swapper/322:18:193
312292810,3sleep30-21swapper/323:11:013
315892790,2sleep20-21swapper/200:17:402
297632790,1sleep00-21swapper/021:46:380
113232790,2sleep20-21swapper/221:37:542
261982780,2sleep126197-21sshd21:25:431
180272770,2sleep218029-21id23:38:332
99462760,4sleep21698199cyclictest00:03:532
306662760,2sleep20-21swapper/223:25:142
180262760,1sleep018016-21sshd21:17:530
21482750,2sleep32149-21timerwakeupswit20:55:203
148472750,2sleep31698299cyclictest22:37:553
213872740,2sleep121388-21sshd23:13:301
256692730,1sleep225670-21bash22:45:512
325972710,2sleep30-21swapper/300:14:083
130372710,1sleep10-21swapper/120:10:181
208072700,4sleep11698099cyclictest23:20:411
175022680,2sleep01697999cyclictest22:05:530
197242670,2sleep20-21swapper/222:24:282
1656324823,4sleep00-21swapper/019:08:000
201262450,2sleep120118-21sshd00:31:201
14652370,0sleep11467-21id21:50:281
254582320,1sleep325442-21sshd23:50:163
249542320,1sleep10-21swapper/121:56:251
262632310,5sleep20-21swapper/200:39:522
71972300,2sleep10-21swapper/123:40:441
5382290,3sleep30-21swapper/323:36:373
179082280,0sleep00-21swapper/022:30:590
200632260,3sleep220054-21sshd21:31:572
231342250,1sleep10-21swapper/122:45:351
59772240,2sleep20-21swapper/222:54:122
32462240,3sleep20-21swapper/221:19:472
296892240,2sleep229690-21sshd23:07:262
273832230,2sleep327382-21sshd00:28:393
110212230,2sleep211019-21sshd23:34:072
78542220,1sleep07848-21bash23:29:530
64572220,1sleep16458-21sshd22:16:041
324452220,2sleep30-21swapper/323:21:583
28022220,2sleep10-21swapper/123:18:401
1698199226,10cyclictest153250irq/28-eth1-rx-22:30:092
7442210,1sleep31698299cyclictest22:57:033
247762210,2sleep10-21swapper/121:11:451
196782210,2sleep32024-21nfsd21:11:113
1698199212,15cyclictest153250irq/28-eth1-rx-21:59:172
245652200,2sleep324563-21sshd22:52:423
225302200,1sleep00-21swapper/022:55:500
216312200,2sleep20-21swapper/221:42:222
16982992015,4cyclictest144650irq/27-eth021:49:363
1698199204,9cyclictest7348-21sshd21:47:452
157512190,2sleep20-21swapper/200:30:462
288412180,2sleep30-21swapper/322:07:093
196652180,4sleep31698299cyclictest23:45:313
1698199182,8cyclictest19988-21sshd22:41:522
1698199182,3cyclictest15474-21rm00:11:512
1697999187,7cyclictest0-21swapper/000:05:530
1697999180,17cyclictest0-21swapper/023:08:030
1697999180,16cyclictest0-21swapper/023:45:120
122472180,1sleep116393-21kworker/1:222:23:381
74492170,1sleep00-21swapper/022:47:250
54032170,1sleep30-21swapper/321:30:223
1698199173,13cyclictest28950irq/26-ahci[00021:25:462
1698199172,13cyclictest0-21swapper/222:25:272
1698199171,8cyclictest32375-21sshd22:56:572
16981991712,4cyclictest10025-21bash21:10:132
1697999171,12cyclictest31429-21sshd21:50:170
1697999170,1cyclictest0-21swapper/021:41:520
1698299164,11cyclictest144650irq/27-eth023:40:213
1698199164,5cyclictest19521-21id23:57:272
1698199163,7cyclictest955-21diskstats20:55:112
1698199163,7cyclictest29087-21bash00:06:082
1698199163,5cyclictest27018-21perl23:00:142
1698199163,5cyclictest27018-21perl23:00:132
1698199162,9cyclictest30917-21bash23:50:502
1698199162,1cyclictest31735-21bash00:25:202
16981991614,1cyclictest0-21swapper/223:17:002
1698199160,15cyclictest10385-21ipmitool20:05:162
1698199160,12cyclictest144650irq/27-eth023:42:352
1698199160,12cyclictest11280-21sshd22:01:512
1698199160,12cyclictest0-21swapper/219:51:552
1698099168,7cyclictest0-21swapper/121:15:351
16980991611,4cyclictest2024-21nfsd21:25:011
16980991611,4cyclictest11543-21sshd23:52:401
16979991611,4cyclictest0-21swapper/000:24:530
1697999160,5cyclictest0-21swapper/000:31:520
1697999160,12cyclictest0-21swapper/000:17:260
126952160,2sleep112692-21sshd21:31:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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