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2026-05-04 - 17:07
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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 May 04, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773121220,1sleep20-21swapper/211:02:362
691821190,3sleep21540899cyclictest10:38:452
1810221180,2sleep20-21swapper/212:31:572
2285521100,0sleep00-21swapper/010:51:560
2285521100,0sleep00-21swapper/010:51:560
15021210733,44sleep30-21swapper/307:08:273
99832930,1sleep00-21swapper/011:35:240
135252930,3sleep20-21swapper/209:14:172
206102910,1sleep00-21swapper/012:17:370
43792890,3sleep30-21swapper/311:00:533
40482870,2sleep10-21swapper/111:42:271
1492628632,50sleep10-21swapper/107:07:171
154362850,4sleep041ktimersoftd/011:51:200
59312800,4sleep21540899cyclictest11:31:342
37882800,2sleep13789-21sshd11:23:551
204822790,0sleep00-21swapper/009:57:070
129782780,4sleep21540899cyclictest12:09:092
321772770,3sleep21540899cyclictest09:26:512
15682770,3sleep31541299cyclictest09:55:093
89322760,0sleep00-21swapper/009:38:270
272362760,0sleep041ktimersoftd/012:07:070
20122760,0sleep041ktimersoftd/009:44:360
309002750,1sleep30-21swapper/309:19:313
303042740,2sleep20-21swapper/212:22:192
289382740,2sleep328930-21sshd12:18:323
104062740,2sleep10-21swapper/110:58:111
5462730,2sleep10-21swapper/110:33:501
60672720,1sleep01539799cyclictest10:27:040
219492720,2sleep10-21swapper/109:53:511
245452710,2sleep30-21swapper/311:55:443
245272710,1sleep024523-21sshd12:25:370
219652700,1sleep00-21swapper/011:40:490
306782680,3sleep30-21swapper/311:45:183
315662650,4sleep21540899cyclictest10:29:502
1486225833,12sleep20-21swapper/207:06:252
1379624234,4sleep00-21swapper/007:05:150
79592400,38sleep1144650irq/27-eth010:42:331
74082350,33sleep3144650irq/27-eth012:27:223
232432310,2sleep223240-21bash12:10:132
205012290,26sleep3144650irq/27-eth011:18:263
149912290,3sleep20-21swapper/209:21:062
93422280,7sleep20-21swapper/211:05:332
298022280,25sleep3144650irq/27-eth012:07:273
1539799281,14cyclictest41ktimersoftd/009:27:570
292612270,0sleep041ktimersoftd/012:03:460
208052270,1sleep120803-21bash11:55:221
287292260,24sleep2144650irq/27-eth012:00:132
154162260,24sleep1144650irq/27-eth010:06:541
38572240,2sleep10-21swapper/112:11:401
18472240,2sleep22024-21nfsd12:15:302
135272240,3sleep31541299cyclictest10:17:013
62032230,2sleep30-21swapper/309:13:303
279352230,2sleep30-21swapper/312:33:013
184712230,2sleep10-21swapper/109:49:461
160672230,2sleep32024-21nfsd12:38:433
1540899236,3cyclictest2024-21nfsd11:59:582
1540899235,9cyclictest0-21swapper/207:11:232
1540899230,17cyclictest25586-21sshd10:21:432
15397992319,3cyclictest9420-21sshd10:02:500
97032220,1sleep09700-21sshd09:10:220
205012220,20sleep2144650irq/27-eth011:40:412
1540899225,13cyclictest29622-21sshd09:37:112
289542210,2sleep21540899cyclictest10:56:392
1540899217,9cyclictest0-21swapper/211:37:592
197592200,2sleep119746-21sshd09:21:371
1540899201,2cyclictest0-21swapper/209:45:212
55782190,3sleep12023-21nfsd12:34:091
316052190,17sleep1144650irq/27-eth009:37:251
189402190,1sleep00-21swapper/009:49:490
1540899195,1cyclictest0-21swapper/210:10:192
1540399195,1cyclictest0-21swapper/110:27:561
1539799195,11cyclictest19332-21kworker/0:212:22:320
1539799194,7cyclictest0-21swapper/010:45:210
1539799191,9cyclictest31354-21sshd11:23:240
29932180,16sleep1144650irq/27-eth011:11:581
289362180,3sleep328935-21wc09:30:003
27672180,1sleep02754-21sshd10:38:100
276202180,2sleep227618-21sshd10:44:422
15412991810,3cyclictest0-21swapper/310:08:513
1540899186,4cyclictest14026-21sshd11:13:222
1540899185,4cyclictest4527-21sshd09:16:392
1540899184,7cyclictest25080-21proc_pri09:50:232
1540899182,15cyclictest8219-21sshd11:16:482
1540899182,15cyclictest153250irq/28-eth1-rx-07:31:472
1540899182,15cyclictest153250irq/28-eth1-rx-07:29:272
1540899182,15cyclictest153250irq/28-eth1-rx-07:21:392
1540899182,15cyclictest153250irq/28-eth1-rx-07:15:272
1540399189,4cyclictest2132-21sshd09:10:121
1540399180,6cyclictest0-21swapper/111:30:151
1539799183,7cyclictest14732-21sshd10:10:170
12922180,16sleep3144650irq/27-eth010:33:583
117092180,2sleep30-21swapper/310:46:223
78732170,0sleep00-21swapper/012:34:240
180152170,1sleep10-21swapper/109:42:491
1541299177,7cyclictest12208-21cp11:21:173
15412991712,3cyclictest2167-21sshd11:08:233
1541299170,15cyclictest0-21swapper/311:39:333
1541299170,15cyclictest0-21swapper/309:21:003
1540899177,2cyclictest12467-21sshd10:54:552
1540899177,2cyclictest12467-21sshd10:54:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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