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2026-07-25 - 10:43
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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 highest latencies:
System rack5slot0.osadl.org (updated Sat Jul 25, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
390321290,2sleep23892-21sshd21:22:252
70521280,0sleep0693-21sshd23:38:050
443121240,2sleep12512-21runrttasks23:29:411
696421010,1sleep06962-21sshd21:36:460
326872990,2sleep132691-21id23:17:181
39502970,1sleep041ktimersoftd/022:42:510
3237429726,45sleep10-21swapper/119:08:551
3237429726,45sleep10-21swapper/119:08:551
87372950,1sleep02066-21nscd23:41:460
92702940,1sleep00-21swapper/022:37:390
164422940,1sleep00-21swapper/000:09:240
252272930,6sleep20-21swapper/200:13:062
172762930,2sleep20-21swapper/223:13:062
165392930,1sleep016535-21bash00:18:160
217842920,3sleep20-21swapper/221:29:382
98802910,5sleep03271999cyclictest22:34:530
202432910,1sleep20-21swapper/221:40:442
82742890,4sleep10-21swapper/122:51:451
303192890,0sleep330316-21sshd00:04:493
206172890,3sleep10-21swapper/123:22:031
244382880,2sleep124440-21sshd00:24:521
172422880,0sleep00-21swapper/023:18:500
55642870,2sleep35561-21bash00:28:543
130172870,3sleep20-21swapper/222:32:152
71192860,8sleep07114-21cp21:14:180
3220328632,50sleep30-21swapper/319:06:443
3220328632,50sleep30-21swapper/319:06:443
319092850,4sleep03271999cyclictest00:04:580
272792850,2sleep127276-21sshd00:27:551
162852850,2sleep10-21swapper/121:34:511
114792840,2sleep211464-21sshd23:36:072
240372830,2sleep30-21swapper/300:33:303
249962820,1sleep20-21swapper/222:50:222
246452820,2sleep224643-21sshd21:18:362
293832810,2sleep30-21swapper/321:30:163
228842810,2sleep222880-21sshd21:35:202
204682810,3sleep30-21swapper/321:29:323
123562810,1sleep30-21swapper/321:23:093
98222800,0sleep00-21swapper/023:21:020
65072800,1sleep10-21swapper/121:28:171
33902800,0sleep00-21swapper/000:34:400
68542790,3sleep30-21swapper/322:37:263
199342790,1sleep10-21swapper/121:18:101
142712790,3sleep33272299cyclictest21:51:353
121912790,1sleep012182-21sshd22:57:490
121912790,1sleep012182-21sshd22:57:490
307862780,11sleep2144650irq/27-eth023:31:582
173212780,3sleep33272299cyclictest00:35:483
219242770,1sleep33272299cyclictest21:57:573
216052760,5sleep10-21swapper/100:30:171
235592750,2sleep223553-21cp00:21:432
3221727418,10sleep20-21swapper/219:06:552
3221727418,10sleep20-21swapper/219:06:552
267792720,2sleep10-21swapper/100:07:191
129342720,2sleep20-21swapper/223:45:082
204362710,2sleep120437-21bash23:04:361
13872710,2sleep10-21swapper/122:48:221
118282700,3sleep111820-21sshd23:54:091
68242690,1sleep06820-21bash22:28:520
135822690,3sleep33272299cyclictest00:12:033
107522620,2sleep110751-21sshd22:29:131
3242625532,11sleep00-21swapper/019:09:340
3242625532,11sleep00-21swapper/019:09:340
262572550,3sleep126254-21sshd22:33:261
42682430,41sleep2144650irq/27-eth022:42:552
242392370,0sleep024238-21bash00:24:510
218682360,34sleep3144650irq/27-eth022:50:133
73752330,2sleep10-21swapper/100:35:021
19852330,3sleep11919-21sshd22:01:511
51872300,2sleep35186-21sshd22:19:373
147242300,28sleep3144650irq/27-eth023:57:283
3272299250,24cyclictest144650irq/27-eth022:24:393
28002250,3sleep041ktimersoftd/023:50:160
264722250,3sleep126471-21bash22:24:521
238332250,2sleep22024-21nfsd00:39:222
22882240,1sleep00-21swapper/021:53:240
198232240,2sleep119819-21sshd00:12:361
175202240,2sleep317506-21sshd22:00:223
156942230,5sleep041ktimersoftd/023:48:280
108952232,19sleep3144650irq/27-eth023:36:043
74432220,0sleep00-21swapper/022:08:160
73362220,20sleep2144650irq/27-eth023:15:082
322162220,2sleep232213-21sshd22:28:152
222772220,1sleep022275-21sshd22:50:130
222012220,2sleep10-21swapper/123:34:171
205862220,2sleep20-21swapper/222:24:172
200362210,0sleep00-21swapper/021:32:170
167252210,1sleep016723-21sshd00:35:450
102262210,4sleep13272099cyclictest21:14:341
35262200,18sleep2144650irq/27-eth021:47:512
94892190,17sleep3144650irq/27-eth019:30:123
59552190,2sleep30-21swapper/322:28:473
3272099192,12cyclictest144650irq/27-eth021:42:581
142202190,1sleep20-21swapper/200:09:092
85642180,1sleep32512-21runrttasks22:48:593
59772180,16sleep3144650irq/27-eth021:36:423
32721991812,4cyclictest14943-21bash22:35:152
3272199180,14cyclictest23042-21sshd21:58:022
3272099183,1cyclictest28863-21bash00:19:251
3272099180,5cyclictest26954-21sshd21:55:291
3272099180,5cyclictest1926-21sshd00:02:031
3272099180,16cyclictest0-21swapper/123:07:041
3272099180,13cyclictest13061-21sshd22:17:261
3271999180,17cyclictest3124-21sshd22:10:510
32722991712,3cyclictest0-21swapper/323:50:333
3272299170,12cyclictest0-21swapper/322:11:143
3272199178,5cyclictest21774-21bash21:52:162
3272199171,9cyclictest6958-21bash00:02:342
3272199171,14cyclictest3090-21sshd23:26:162
3272199170,15cyclictest23816-21head00:30:252
3272099178,4cyclictest29254-21sshd22:59:231
3272099178,4cyclictest29254-21sshd22:59:221
3272099172,13cyclictest23978-21sshd23:43:121
3272099171,7cyclictest29414-21sshd23:14:121
3272099171,14cyclictest5919-21sshd21:45:121
3272099171,14cyclictest30709-21sshd23:37:521
3272099170,15cyclictest0-21swapper/122:40:321
3271999178,5cyclictest13297-21sshd23:00:440
3271999170,3cyclictest27531-21bash21:18:520
224912170,3sleep30-21swapper/321:49:313
205832170,15sleep3144650irq/27-eth023:07:273
61922160,14sleep1144650irq/27-eth022:08:101
3272299169,3cyclictest30129-21bash22:42:173
3272299164,7cyclictest17710-21sshd21:43:263
32722991614,1cyclictest0-21swapper/323:41:383
3272299160,15cyclictest22261-21sshd00:15:483
3272299160,11cyclictest24244-21sshd23:31:233
3272199168,3cyclictest16689-21sshd21:12:162
3272199167,4cyclictest30081-21sshd00:19:312
3272199162,13cyclictest144650irq/27-eth022:19:152
32721991612,2cyclictest0-21swapper/223:01:292
32721991611,4cyclictest4342-21sshd21:30:522
32721991610,4cyclictest26824-21sshd22:47:432
3272199160,9cyclictest29025-21needreboot23:05:202
3272199160,4cyclictest144650irq/27-eth022:13:072
3272199160,14cyclictest0-21swapper/223:42:592
3272199160,12cyclictest144650irq/27-eth023:57:562
3272199160,11cyclictest0-21swapper/222:09:522
3272099163,1cyclictest15923-21sshd22:35:191
3272099161,3cyclictest144650irq/27-eth021:20:091
3272099160,14cyclictest4765-21id23:59:291
3272099160,14cyclictest10130-21cp21:37:031
3272099160,14cyclictest0-21swapper/121:50:541
3272099160,14cyclictest0-21swapper/119:40:171
3271999167,4cyclictest0-21swapper/022:01:430
3271999160,4cyclictest13230-21sshd21:40:120
3271999160,1cyclictest15978-21sshd23:13:000
3271999160,14cyclictest18051-21sshd22:46:560
182132160,1sleep30-21swapper/323:13:113
158672160,14sleep1144650irq/27-eth023:48:301
3272299156,4cyclictest2683-21sshd23:29:313
32722991511,3cyclictest1070-21sshd00:07:573
3272299151,13cyclictest0-21swapper/323:21:173
32722991510,3cyclictest17157-21bash22:55:223
32722991510,3cyclictest17157-21bash22:55:223
3272299150,6cyclictest19217-21sshd23:45:353
3272299150,3cyclictest29443-21bash22:33:433
3272299150,3cyclictest19612-21sshd21:15:193
3272299150,13cyclictest6748-21sshd23:15:053
3272299150,13cyclictest13269-21bash22:05:393
3272299150,13cyclictest0-21swapper/323:00:373
3272199157,4cyclictest31239-21sshd23:20:052
3272199151,1cyclictest0-21swapper/221:06:022
32721991510,4cyclictest28950irq/26-ahci[00020:10:272
32721991510,3cyclictest18570-21sshd22:55:282
32721991510,3cyclictest18570-21sshd22:55:272
3272199150,3cyclictest965-21bash00:25:312
3272199150,14cyclictest0-21swapper/223:54:092
3272199150,13cyclictest13233-21sshd22:00:052
3272099150,13cyclictest2444-21sshd22:10:471
3272099150,12cyclictest0-21swapper/119:32:191
3271999157,4cyclictest18422-21cp22:15:070
3271999152,9cyclictest3648-21bash23:08:560
32719991512,3cyclictest12795-21kworker/0:019:26:370
32719991512,2cyclictest22012-21bash21:26:470
32719991511,3cyclictest0-21swapper/021:48:200
3271999151,12cyclictest0-21swapper/021:22:080
3271999150,1cyclictest1504-21sshd00:10:580
3271999150,14cyclictest5912-21id23:59:340
3271999150,11cyclictest1682-21sshd21:56:070
3272299146,4cyclictest0-21swapper/321:11:143
32722991412,1cyclictest0-21swapper/320:50:203
32722991411,2cyclictest0-21swapper/300:21:313
3272299140,10cyclictest144650irq/27-eth021:08:143
3272199146,4cyclictest0-21swapper/219:58:152
3272199142,11cyclictest144650irq/27-eth019:38:052
3272199140,5cyclictest2100-21snmpd19:40:272
3272099142,11cyclictest144650irq/27-eth021:06:001
3272099140,12cyclictest2100-21snmpd21:00:401
3272099140,10cyclictest144650irq/27-eth020:27:151
3271999148,3cyclictest0-21swapper/022:22:490
3271999144,9cyclictest0-21swapper/019:15:150
32719991412,1cyclictest0-21swapper/019:35:510
32719991411,3cyclictest12795-21kworker/0:021:07:570
3271999141,11cyclictest0-21swapper/020:40:140
3271999140,9cyclictest0-21swapper/023:30:220
3272299137,5cyclictest144650irq/27-eth019:41:093
3272299137,5cyclictest0-21swapper/320:10:333
3272299132,10cyclictest144650irq/27-eth020:26:493
32722991311,1cyclictest0-21swapper/319:48:393
3272299130,5cyclictest0-21swapper/320:59:083
3272299130,5cyclictest0-21swapper/319:15:493
3272299130,4cyclictest11920-21irqstats20:45:143
3272299130,12cyclictest0-21swapper/321:00:033
3272299130,12cyclictest0-21swapper/320:40:423
3272299130,12cyclictest0-21swapper/320:22:403
3272299130,12cyclictest0-21swapper/319:35:343
3272299130,12cyclictest0-21swapper/319:25:083
3272299130,12cyclictest0-21swapper/319:20:413
3272299130,12cyclictest0-21swapper/319:12:423
3272299130,11cyclictest0-21swapper/320:00:153
3272299130,10cyclictest144650irq/27-eth020:05:003
3272199139,3cyclictest144650irq/27-eth020:00:432
3272199137,5cyclictest2024-21nfsd19:13:492
3272199137,5cyclictest0-21swapper/219:28:492
3272199136,6cyclictest0-21swapper/219:23:112
3272199131,11cyclictest144650irq/27-eth020:31:122
3272199131,11cyclictest144650irq/27-eth020:20:552
3272199131,11cyclictest144650irq/27-eth019:45:242
32721991311,1cyclictest0-21swapper/220:19:562
32721991311,1cyclictest0-21swapper/220:05:412
3272199130,4cyclictest2512-21runrttasks20:40:412
3272199130,12cyclictest0-21swapper/221:03:272
3272199130,12cyclictest0-21swapper/220:55:482
3272199130,12cyclictest0-21swapper/220:46:212
3272199130,12cyclictest0-21swapper/220:35:382
3272199130,12cyclictest0-21swapper/219:50:172
3272199130,12cyclictest0-21swapper/219:15:572
3272099139,3cyclictest144650irq/27-eth020:30:021
3272099139,3cyclictest144650irq/27-eth019:53:381
3272099138,4cyclictest9647-21ipmitool20:40:141
3272099138,4cyclictest22538-21runrttasks19:56:321
3272099132,9cyclictest0-21swapper/119:15:021
3272099132,3cyclictest144650irq/27-eth020:35:141
3272099132,10cyclictest144650irq/27-eth019:10:521
3272099131,11cyclictest2024-21nfsd19:45:111
3272099130,4cyclictest23251-21cpuspeed_turbos20:00:111
3272099130,4cyclictest16818-21ntp_offset20:55:191
3272099130,4cyclictest11716-21munin-node19:35:221
3272099130,12cyclictest0-21swapper/120:53:371
3272099130,12cyclictest0-21swapper/120:10:321
3272099130,12cyclictest0-21swapper/119:25:581
3272099130,12cyclictest0-21swapper/119:20:401
3272099130,11cyclictest25673-21diskstats20:05:111
3271999134,8cyclictest12795-21kworker/0:019:12:250
3271999133,2cyclictest0-21swapper/019:45:410
3271999131,7cyclictest0-21swapper/020:30:150
3271999131,7cyclictest0-21swapper/000:25:230
32719991311,1cyclictest0-21swapper/020:08:150
3271999130,5cyclictest0-21swapper/020:55:400
3271999130,3cyclictest0-21swapper/019:53:210
3271999130,2cyclictest28074-21id23:28:500
3271999130,2cyclictest0-21swapper/020:10:150
3271999130,12cyclictest0-21swapper/020:38:240
3271999130,12cyclictest0-21swapper/019:59:130
3271999130,10cyclictest0-21swapper/020:52:260
3271999130,10cyclictest0-21swapper/019:22:380
298752130,11sleep1144650irq/27-eth020:15:021
3272299128,3cyclictest144650irq/27-eth020:35:513
3272299127,4cyclictest2024-21nfsd20:30:533
3272299121,10cyclictest144650irq/27-eth020:15:033
3272299120,11cyclictest20350-21taskset19:52:253
3272199120,11cyclictest144650irq/27-eth020:25:022
3272199120,11cyclictest0-21swapper/219:30:012
3272199120,10cyclictest13744-21diskstats20:50:122
3272099120,11cyclictest0-21swapper/120:45:401
3272099120,10cyclictest0-21swapper/120:20:191
3271999128,2cyclictest0-21swapper/020:01:000
3271999128,1cyclictest0-21swapper/020:15:000
3271999120,9cyclictest0-21swapper/020:20:070
3271999120,11cyclictest0-21swapper/021:01:510
3271999120,11cyclictest0-21swapper/020:25:060
3271999120,11cyclictest0-21swapper/019:40:090
3271999120,10cyclictest0-21swapper/019:30:510
208222120,2sleep30-21swapper/319:55:123
3271999110,10cyclictest0-21swapper/020:45:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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