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2026-08-21 - 04:24
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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 Fri Aug 21, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19071210325,41sleep10-21swapper/119:08:081
256362980,2sleep22512-21runrttasks23:15:562
318302940,2sleep231822-21sshd23:22:142
104742930,4sleep31948099cyclictest22:19:113
8382920,2sleep10-21swapper/122:58:561
240792910,1sleep024077-21sshd23:33:220
139812910,2sleep213980-21bash23:41:052
203482900,2sleep30-21swapper/322:40:143
193932890,1sleep20-21swapper/223:03:222
1899428922,38sleep30-21swapper/319:07:103
68982880,0sleep36894-21sshd23:40:263
49152880,4sleep31948099cyclictest21:58:473
35502850,2sleep20-21swapper/222:27:232
168802850,1sleep10-21swapper/121:54:121
322272840,2sleep12023-21nfsd00:08:421
40242830,1sleep019476-21cyclictest23:48:530
171502830,3sleep10-21swapper/122:16:511
228042820,2sleep122806-21id22:29:071
45262810,0sleep24519-21bash23:45:582
293752810,2sleep10-21swapper/122:00:481
231192800,2sleep123114-21bash23:36:031
188202800,1sleep30-21swapper/321:39:433
184482800,2sleep12024-21nfsd23:21:001
76542790,3sleep31948099cyclictest22:47:403
67422780,2sleep30-21swapper/321:44:203
45212780,5sleep01947799cyclictest23:57:340
16762780,2sleep21677-21sshd00:34:392
209102770,1sleep31948099cyclictest22:20:073
129442770,2sleep30-21swapper/300:18:293
113272770,2sleep111329-21bash21:44:451
245702760,0sleep00-21swapper/000:36:380
171112760,2sleep20-21swapper/222:57:292
78712750,4sleep21947999cyclictest00:23:452
280562750,2sleep10-21swapper/123:53:551
26992750,0sleep00-21swapper/022:56:110
140522750,2sleep30-21swapper/322:05:193
279332740,1sleep00-21swapper/022:15:030
185052740,0sleep018502-21sshd22:25:480
1902327232,9sleep20-21swapper/219:07:342
204552710,2sleep120446-21sshd22:05:491
72112700,2sleep20-21swapper/200:00:422
256042670,2sleep30-21swapper/323:36:173
98212630,0sleep00-21swapper/021:44:370
85922560,0sleep18593-21sshd23:43:331
1889125632,21sleep00-21swapper/019:06:030
295132420,39sleep2144650irq/27-eth022:06:402
100252380,1sleep010018-21sshd22:13:260
186622360,2sleep20-21swapper/221:27:442
252862281,25sleep328950irq/26-ahci[00021:22:373
243062260,2sleep12023-21nfsd23:59:241
1947799260,13cyclictest31337-21sshd21:55:230
116832260,1sleep00-21swapper/000:18:220
37572250,3sleep33756-21sshd23:14:013
303882250,4sleep21947999cyclictest21:23:022
303442250,3sleep11947899cyclictest19:31:511
105652250,2sleep210562-21sshd00:18:172
238362240,22sleep1144650irq/27-eth022:37:361
120132240,3sleep30-21swapper/323:05:313
316422230,3sleep331643-21sshd00:14:263
203962230,2sleep20-21swapper/221:34:042
1947999236,4cyclictest8235-21sshd23:08:212
1947999230,10cyclictest18694-21sshd22:54:492
1947799233,7cyclictest0-21swapper/022:32:090
1947799231,2cyclictest2132-21sshd00:27:450
33532220,0sleep00-21swapper/023:07:530
212672220,2sleep30-21swapper/323:59:063
1947799228,7cyclictest0-21swapper/022:07:210
1947799227,10cyclictest22839-21sshd22:49:040
1947799226,7cyclictest10719-21sshd21:21:170
1947799220,5cyclictest28268-21sshd21:11:350
1947799220,19cyclictest10-21rcuc/023:24:210
1947799220,14cyclictest27264-21sshd23:01:100
98042210,2sleep12512-21runrttasks21:10:031
1947799218,5cyclictest29943-21sshd21:37:500
1947799215,7cyclictest9371-21kworker/0:221:16:390
1947799211,18cyclictest0-21swapper/021:49:460
1947799211,14cyclictest0-21swapper/023:38:260
1947799211,14cyclictest0-21swapper/022:53:050
19477992110,3cyclictest3851-21bash22:41:360
1947799210,4cyclictest0-21swapper/022:35:500
1947799210,1cyclictest12820-21sshd23:29:290
1947799210,14cyclictest0-21swapper/020:00:150
1947799210,13cyclictest0-21swapper/000:05:190
80502200,1sleep30-21swapper/300:23:463
54502200,18sleep328950irq/26-ahci[00023:31:413
280592200,17sleep2144650irq/27-eth021:57:582
1947999204,9cyclictest144650irq/27-eth023:37:572
1947999204,3cyclictest0-21swapper/222:41:312
1947799208,5cyclictest10135-21sshd21:26:540
1947799208,3cyclictest31882-21sshd23:13:360
1947799207,5cyclictest8450-21sshd22:01:510
1947799207,5cyclictest6474-21rm00:32:100
1947799207,12cyclictest0-21swapper/021:00:160
1947799206,5cyclictest0-21swapper/000:20:400
1947799204,8cyclictest32172-21kworker/0:021:50:230
1947799203,1cyclictest31121-21bash23:16:250
1947799202,1cyclictest2132-21sshd23:43:080
19477992010,4cyclictest3-21ksoftirqd/000:04:000
1947799200,4cyclictest25561-21sshd23:50:440
1947799200,14cyclictest0-21swapper/000:12:110
270862190,17sleep2144650irq/27-eth000:39:502
1947899192,8cyclictest0-21swapper/122:53:051
1947799190,2cyclictest24635-21sshd22:20:210
1947799190,15cyclictest0-21swapper/019:40:450
1947799190,13cyclictest0-21swapper/021:33:370
129672190,1sleep20-21swapper/221:10:172
1948099186,5cyclictest11510-21sshd21:30:083
1947999188,6cyclictest0-21swapper/221:17:572
1947899180,4cyclictest28950irq/26-ahci[00021:22:511
131402180,16sleep2144650irq/27-eth000:06:592
316542170,1sleep131656-21bash23:31:061
1948099172,13cyclictest27464-21sshd00:36:553
1947999172,14cyclictest144650irq/27-eth022:37:262
1947999172,12cyclictest11289-21sshd00:29:472
19479991710,3cyclictest29362-21sshd00:14:122
1947999170,15cyclictest25475-21sshd22:00:282
1947999170,15cyclictest16282-21sshd21:36:352
1947999170,12cyclictest0-21swapper/221:41:012
1947899179,6cyclictest0-21swapper/122:44:051
1947899179,3cyclictest18292-21bash21:19:131
1947899178,5cyclictest7702-21sshd00:23:451
1947899171,14cyclictest0-21swapper/123:48:031
1947899170,8cyclictest0-21swapper/120:00:191
1947799170,2cyclictest0-21swapper/019:31:450
39982160,14sleep3144650irq/27-eth022:04:293
1948099166,0cyclictest0-21swapper/300:04:243
1948099164,3cyclictest27396-21sshd21:17:083
1948099161,7cyclictest0-21swapper/319:20:593
19480991613,2cyclictest0-21swapper/323:04:423
19480991612,3cyclictest14257-21sshd23:26:293
19480991611,4cyclictest36-21rcuop/223:15:463
1948099160,7cyclictest16795-21sshd21:10:323
1948099160,14cyclictest2132-21sshd22:55:593
1947999164,9cyclictest2151-21sshd23:28:272
1947999163,8cyclictest11955-21sshd23:55:192
1947999163,1cyclictest30326-21cp23:30:592
19479991612,3cyclictest17256-21cp22:34:152
19479991611,4cyclictest26660-21sshd22:46:272
1947999160,3cyclictest19652-21sshd23:50:162
1947999160,12cyclictest8441-21sshd22:18:592
1947899168,6cyclictest24589-21sshd21:31:171
1947899168,3cyclictest0-21swapper/100:25:491
1947899163,4cyclictest27585-21sshd23:13:131
1947899161,6cyclictest2024-21nfsd23:19:301
1947899161,14cyclictest2024-21nfsd00:04:181
19478991611,4cyclictest0-21swapper/119:45:151
1947899161,13cyclictest21804-21sshd00:16:211
1947899161,13cyclictest14718-21sshd22:13:521
1947899161,10cyclictest24237-21sshd00:13:441
1947799160,4cyclictest0-21swapper/020:10:150
1947799160,3cyclictest0-21swapper/020:22:020
1947799160,1cyclictest0-21swapper/020:48:150
1947799160,15cyclictest0-21swapper/021:07:220
1947799160,15cyclictest0-21swapper/020:25:400
1948099158,3cyclictest0-21swapper/322:52:213
1948099155,9cyclictest31860-21sshd22:38:193
1948099153,3cyclictest2132-21sshd21:49:023
1948099153,11cyclictest144650irq/27-eth020:10:193
19480991511,3cyclictest2024-21nfsd23:47:103
19480991511,2cyclictest0-21swapper/321:25:243
1948099151,12cyclictest0-21swapper/300:25:473
1948099150,13cyclictest7555-21sshd23:20:093
1948099150,13cyclictest6804-21sshd00:06:233
1948099150,13cyclictest2024-21nfsd21:50:143
1948099150,13cyclictest0-21swapper/322:10:533
1948099150,13cyclictest0-21swapper/319:55:553
1947999159,2cyclictest31922-21taskset20:45:242
1947999158,3cyclictest13900-21sshd21:50:592
1947999152,12cyclictest144650irq/27-eth020:55:332
19479991511,3cyclictest0-21swapper/220:50:312
1947999150,6cyclictest0-21swapper/221:45:072
1947999150,3cyclictest28725-21sshd22:20:432
1947999150,3cyclictest10003-21sshd22:10:322
1947999150,14cyclictest0-21swapper/219:40:182
1947999150,13cyclictest0-21swapper/223:11:492
1947999150,12cyclictest0-21swapper/219:23:092
1947899152,4cyclictest24505-21sshd22:49:141
1947899151,5cyclictest27712-21bash21:55:081
1947899151,13cyclictest26970-21munin-node19:25:151
1947899151,13cyclictest0-21swapper/100:31:381
1947899151,12cyclictest7929-21fw_packets23:05:141
1947899151,12cyclictest5122-21bash22:24:411
1947899151,12cyclictest31665-21sshd21:35:101
1947899151,12cyclictest22248-21sshd23:00:421
1947899151,12cyclictest21967-21sshd22:31:481
1947899151,12cyclictest19915-21sshd00:36:111
1947899151,12cyclictest11005-21cp23:26:101
1947899151,12cyclictest0-21swapper/121:45:031
1947899150,9cyclictest20951-21sshd21:25:041
1947799157,7cyclictest32545-21munin-node20:50:110
1947799150,2cyclictest0-21swapper/020:31:400
1947799150,14cyclictest0-21swapper/020:40:020
1947799150,12cyclictest0-21swapper/020:15:000
1947799150,10cyclictest0-21swapper/019:55:040
1948099145,3cyclictest19139-21sshd22:25:523
1948099141,12cyclictest28950irq/26-ahci[00020:00:233
19480991411,2cyclictest0-21swapper/323:53:263
19480991410,3cyclictest22365-21sshd00:30:393
1948099140,6cyclictest0-21swapper/322:31:103
1948099140,12cyclictest0-21swapper/320:35:203
1948099140,12cyclictest0-21swapper/320:05:163
1948099140,10cyclictest144650irq/27-eth019:35:513
1947999143,3cyclictest5291-21munin-node19:50:192
1947999142,11cyclictest144650irq/27-eth020:24:462
1947999140,12cyclictest13276-21munin-node20:05:202
1947899140,13cyclictest0-21swapper/119:50:231
1947899140,12cyclictest7649-21chrt19:55:111
1947899140,12cyclictest2512-21runrttasks21:09:431
1947799149,3cyclictest0-21swapper/019:49:550
1947799148,5cyclictest0-21swapper/019:35:490
1947799140,8cyclictest0-21swapper/019:50:180
1947799140,7cyclictest0-21swapper/020:55:150
1947799140,7cyclictest0-21swapper/019:20:140
1947799140,5cyclictest21544-21ls19:15:000
1947799140,2cyclictest0-21swapper/020:36:500
1947799140,13cyclictest0-21swapper/019:25:010
1947799140,12cyclictest0-21swapper/019:15:200
1947799140,12cyclictest0-21swapper/019:15:200
1947799140,11cyclictest0-21swapper/020:05:010
1948099139,3cyclictest144650irq/27-eth020:17:343
1948099137,5cyclictest0-21swapper/320:27:383
1948099137,2cyclictest0-21swapper/319:19:223
1948099137,2cyclictest0-21swapper/319:19:223
1948099130,5cyclictest2024-21nfsd19:50:133
1948099130,12cyclictest0-21swapper/320:56:213
1948099130,12cyclictest0-21swapper/320:53:123
1948099130,12cyclictest0-21swapper/320:45:553
1948099130,12cyclictest0-21swapper/320:30:113
1948099130,12cyclictest0-21swapper/320:21:023
1948099130,12cyclictest0-21swapper/319:45:103
1948099130,12cyclictest0-21swapper/319:40:563
1948099130,12cyclictest0-21swapper/319:28:003
1948099130,10cyclictest144650irq/27-eth019:12:293
1947999138,3cyclictest31164-21df_inode19:35:102
1947999137,5cyclictest0-21swapper/221:00:032
1947999131,11cyclictest0-21swapper/220:41:232
1947999130,5cyclictest0-21swapper/221:06:172
1947999130,5cyclictest0-21swapper/219:55:272
1947999130,4cyclictest29857-21munin-node19:30:192
1947999130,3cyclictest144650irq/27-eth019:45:112
1947999130,12cyclictest0-21swapper/220:32:032
1947999130,12cyclictest0-21swapper/220:10:312
1947999130,12cyclictest0-21swapper/220:01:442
1947999130,11cyclictest22073-21memory20:25:162
1947999130,10cyclictest144650irq/27-eth020:37:282
1947999130,10cyclictest144650irq/27-eth020:15:522
1947899136,2cyclictest0-21swapper/120:10:211
1947899131,11cyclictest21523-21runrttasks19:14:561
1947899131,10cyclictest31557-21munin-node20:45:211
1947899130,4cyclictest2512-21runrttasks20:26:401
1947899130,12cyclictest2024-21nfsd20:35:131
1947899130,12cyclictest0-21swapper/121:03:181
1947899130,12cyclictest0-21swapper/120:51:201
1947899130,12cyclictest0-21swapper/120:30:131
1947899130,12cyclictest0-21swapper/119:15:141
1947899130,12cyclictest0-21swapper/119:15:141
1947899130,11cyclictest654-21chrt19:40:091
1947899130,11cyclictest3326-21memory20:55:161
1947899130,11cyclictest31617-21irqstats19:35:141
1947899130,11cyclictest28762-21iostat20:40:151
1947899130,11cyclictest17407-21iostat_ios20:15:141
1947899130,11cyclictest0-21swapper/120:05:131
1948099128,3cyclictest2024-21nfsd21:00:563
1948099120,11cyclictest0-21swapper/320:40:233
1948099120,11cyclictest0-21swapper/319:31:343
1947999128,3cyclictest20152-21perl19:10:122
1947999121,10cyclictest2023-21nfsd19:15:202
1947999121,10cyclictest2023-21nfsd19:15:192
1947999120,10cyclictest270672sleep219:25:152
1947899120,11cyclictest0-21swapper/119:20:571
1947899120,10cyclictest20032-21munin-node20:20:181
1948099110,10cyclictest7764-21iostat_ios21:05:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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