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2026-05-27 - 09:52
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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 Wed May 27, 2026 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2148721310,0sleep321488-21sshd21:27:533
3247321250,1sleep00-21swapper/021:46:410
779621010,2sleep30-21swapper/300:11:313
364521010,1sleep30-21swapper/322:43:303
275062980,4sleep32381399cyclictest21:18:153
2340529433,40sleep30-21swapper/319:08:103
74362900,2sleep30-21swapper/300:07:143
51242900,1sleep30-21swapper/300:18:253
23922900,2sleep30-21swapper/321:12:103
249862890,6sleep30-21swapper/322:31:053
155792870,1sleep115571-21bash22:48:141
214422850,3sleep10-21swapper/121:34:491
2339828433,47sleep10-21swapper/119:08:051
221572840,2sleep12512-21runrttasks20:15:191
136992820,3sleep10-21swapper/122:14:081
66612810,2sleep10-21swapper/123:56:261
200632800,2sleep320062-21bash00:01:213
270452790,1sleep00-21swapper/023:51:400
252302790,1sleep025231-21sshd22:42:190
185562790,2sleep30-21swapper/323:46:393
41922780,4sleep22381299cyclictest22:50:232
298362780,3sleep30-21swapper/323:55:253
140502770,1sleep30-21swapper/322:29:573
323092760,2sleep30-21swapper/321:46:403
289062760,1sleep228903-21sshd00:31:252
269742760,1sleep10-21swapper/122:35:311
97972750,2sleep29786-21sshd23:02:302
90262740,2sleep19025-21sshd00:22:191
10652710,2sleep10-21swapper/121:35:571
261262680,0sleep00-21swapper/021:52:550
322332630,4sleep22381299cyclictest22:43:062
2347425733,11sleep20-21swapper/219:09:022
2341924732,11sleep00-21swapper/019:08:190
121452420,0sleep212146-21sshd22:37:292
6412351,31sleep1144650irq/27-eth023:26:381
319982340,2sleep20-21swapper/223:23:052
98842300,2sleep041ktimersoftd/022:29:300
220962300,1sleep022091-21sshd22:52:380
229972260,3sleep20-21swapper/222:27:222
228522260,3sleep30-21swapper/321:38:323
159422260,2sleep10-21swapper/122:18:201
324572251,22sleep1144650irq/27-eth023:05:221
179592250,2sleep10-21swapper/100:30:161
166802250,1sleep00-21swapper/022:06:410
218772240,2sleep30-21swapper/323:21:583
204232240,2sleep220420-21cp21:59:532
2381299237,8cyclictest18030-21sshd21:20:342
2381299236,9cyclictest2024-21nfsd00:25:442
133352230,3sleep32381399cyclictest21:20:123
273562220,0sleep00-21swapper/022:35:350
248712220,0sleep324870-21sshd21:31:373
188602220,19sleep2144650irq/27-eth021:41:522
4882210,1sleep10-21swapper/121:15:211
318472210,19sleep1144650irq/27-eth023:30:031
2381299216,2cyclictest2024-21nfsd00:24:092
2381099215,15cyclictest3-21ksoftirqd/000:27:410
155712210,18sleep1144650irq/27-eth023:10:261
138612210,2sleep10-21swapper/100:19:221
97622200,3sleep20-21swapper/221:19:502
9172200,2sleep2919-21cpuspeed_turbos23:30:112
271112200,1sleep00-21swapper/021:42:450
270922200,4sleep12381199cyclictest23:36:231
23811992015,4cyclictest31822-21bash21:11:511
23810992011,8cyclictest3-21ksoftirqd/000:17:220
23810992010,9cyclictest3-21ksoftirqd/021:26:570
53482190,1sleep35334-21sshd22:54:453
314652190,3sleep32381399cyclictest22:01:073
2381399191,16cyclictest17835-21bash00:30:163
23812991914,4cyclictest16918-21sshd23:54:082
2381099199,1cyclictest3-21ksoftirqd/023:25:530
2381099198,3cyclictest3-21ksoftirqd/021:57:280
2381099198,1cyclictest0-21swapper/021:30:520
2381099194,14cyclictest3-21ksoftirqd/023:58:170
2381099193,3cyclictest3-21ksoftirqd/022:55:190
2381099191,5cyclictest3-21ksoftirqd/023:45:100
2381099190,1cyclictest28950irq/26-ahci[00000:36:070
2381099190,13cyclictest0-21swapper/021:23:220
117412190,17sleep2144650irq/27-eth023:27:512
2381399180,9cyclictest23187-21sshd22:45:293
2381299183,13cyclictest31027-21fschecks_count19:25:122
2381299180,16cyclictest32409-21sshd00:39:012
2381099186,4cyclictest3-21ksoftirqd/021:35:160
2381099185,9cyclictest3-21ksoftirqd/021:17:490
2381099185,3cyclictest3-21ksoftirqd/022:45:110
2381099182,1cyclictest3-21ksoftirqd/000:33:080
23810991810,7cyclictest3-21ksoftirqd/023:20:080
2381099180,9cyclictest144650irq/27-eth023:00:380
2381099180,4cyclictest32135-21sshd23:05:200
2381099180,1cyclictest8-21rcu_preempt22:14:480
236362180,16sleep3144650irq/27-eth023:18:433
57452170,1sleep10-21swapper/122:43:451
271572170,2sleep30-21swapper/321:53:023
2381399179,6cyclictest16866-21sshd21:55:193
2381399177,5cyclictest4475-21sshd23:09:233
23813991713,1cyclictest144650irq/27-eth022:11:453
2381299174,12cyclictest21674-21sshd23:18:282
2381299173,12cyclictest28258-21sshd23:55:182
2381299172,13cyclictest18604-21sed21:10:252
2381299171,12cyclictest6815-21bash21:36:342
2381299170,16cyclictest19949-21sshd22:07:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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