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2026-08-20 - 23:08
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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 792 highest latencies:
System rackaslot0.osadl.org (updated Thu Aug 20, 2026 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2412821060,1sleep18-21rcu_preempt10:04:001
318142900,0sleep031815-21sshd09:53:130
172692860,1sleep3172699cyclictest12:06:403
43912640,0sleep00-21swapper/009:27:580
216932600,0sleep00-21swapper/011:03:590
79762590,1sleep10-21swapper/109:36:481
100322570,0sleep226866-21diskmemload12:14:442
195592560,0sleep00-21swapper/012:24:130
123625634,18sleep20-21swapper/207:07:432
319062550,0sleep2291ktimersoftd/210:39:072
284642540,1sleep10-21swapper/112:10:311
122725431,19sleep30-21swapper/307:07:363
285742530,1sleep11621-21nfsd11:10:181
279332530,0sleep227931-21bash11:35:592
109625330,19sleep00-21swapper/007:05:560
212432520,0sleep20-21swapper/211:21:052
188392520,0sleep00-21swapper/010:20:370
66852510,0sleep00-21swapper/012:05:410
42602510,0sleep00-21swapper/010:48:050
152072510,0sleep315206-21bash10:20:203
306842500,0sleep326866-21diskmemload12:36:373
183372500,0sleep00-21swapper/009:20:330
178122500,0sleep217815-21id11:58:062
119525028,18sleep10-21swapper/107:07:101
99702490,0sleep10-21swapper/111:17:151
33062490,0sleep041ktimersoftd/012:25:330
285962490,0sleep00-21swapper/009:44:240
191022490,0sleep319083-21sshd11:23:503
127792480,1sleep3172699cyclictest10:54:373
127792480,1sleep3172699cyclictest10:54:373
93682470,0sleep10-21swapper/112:00:131
191022470,1sleep228-21rcuc/209:35:012
64162450,0sleep16417-21tune2fs10:05:161
197572430,0sleep30-21swapper/309:29:213
204032420,0sleep20-21swapper/212:04:072
242672260,0sleep00-21swapper/012:18:520
7542220,0sleep10-21swapper/110:39:141
26552210,1sleep22656-21sshd09:47:462
251252200,5sleep10-21swapper/110:55:361
1726992019,1cyclictest0-21swapper/311:01:553
1725992018,1cyclictest0-21swapper/209:39:292
172399184,14cyclictest19534-21kworker/0:108:55:170
172399183,14cyclictest25842-21kworker/0:208:07:210
288442170,1sleep337-21rcuc/311:16:003
172599170,16cyclictest26866-21diskmemload09:40:512
1724991715,2cyclictest5517-21sshd11:08:171
172399171,7cyclictest0-21swapper/011:53:290
1723991714,2cyclictest0-21swapper/010:44:070
172399170,16cyclictest13638-21sshd10:03:030
172399170,14cyclictest0-21swapper/012:31:510
72432160,0sleep17244-21sshd09:11:001
306652160,0sleep1201ktimersoftd/111:36:141
258682160,0sleep326866-21diskmemload10:58:383
172399168,7cyclictest0-21swapper/010:58:530
172399167,8cyclictest0-21swapper/011:18:420
172399164,11cyclictest0-21swapper/011:31:160
1723991615,1cyclictest0-21swapper/009:31:250
172399160,5cyclictest0-21swapper/012:11:270
172399160,4cyclictest0-21swapper/010:12:220
172399160,1cyclictest9887-21sshd11:37:170
172399160,15cyclictest21385-21sshd10:52:270
172399160,15cyclictest21385-21sshd10:52:270
172399160,15cyclictest0-21swapper/011:56:320
172399160,15cyclictest0-21swapper/011:26:220
172399160,15cyclictest0-21swapper/011:23:310
172399160,13cyclictest0-21swapper/011:10:590
267672150,1sleep126755-21sshd11:53:081
206782150,0sleep20-21swapper/211:00:582
172699150,14cyclictest0-21swapper/312:21:323
172699150,14cyclictest0-21swapper/311:33:063
172699150,12cyclictest1621-21nfsd12:34:233
1725991513,2cyclictest0-21swapper/208:52:442
172599151,13cyclictest20845-21sshd11:29:442
172599150,6cyclictest0-21swapper/207:50:122
172599150,14cyclictest0-21swapper/208:55:162
1724991514,1cyclictest15555-21sshd12:29:371
172399159,4cyclictest0-21swapper/011:40:420
172399159,3cyclictest15762-21sshd11:06:150
172399158,6cyclictest0-21swapper/010:19:160
172399153,9cyclictest17899-21kworker/0:210:31:390
172399153,10cyclictest17024-21kworker/0:110:05:040
172399152,2cyclictest0-21swapper/012:35:200
172399150,12cyclictest7947-21bash09:59:440
172399150,12cyclictest0-21swapper/009:11:420
44802140,1sleep3172699cyclictest11:36:483
200082140,0sleep20-21swapper/210:12:102
179392140,1sleep117942-21sshd09:51:581
172699144,9cyclictest20404-21bash09:52:123
172699140,3cyclictest0-21swapper/310:09:273
172699140,2cyclictest27787-21sshd09:15:383
172699140,2cyclictest1707-21sshd09:44:533
172699140,1cyclictest0-21swapper/309:23:493
172699140,13cyclictest9369-21sshd11:25:443
172699140,13cyclictest0-21swapper/311:55:033
172699140,13cyclictest0-21swapper/309:56:323
172699140,13cyclictest0-21swapper/307:20:113
172599149,4cyclictest0-21swapper/212:19:182
172599140,13cyclictest5781-21sshd10:25:162
172599140,13cyclictest10677-21sshd10:51:292
172599140,13cyclictest10677-21sshd10:51:292
172599140,13cyclictest0-21swapper/209:28:022
172599140,12cyclictest0-21swapper/211:08:302
1724991413,1cyclictest29743-21sshd10:47:281
1724991413,1cyclictest13869-21sshd10:11:361
1724991412,1cyclictest0-21swapper/111:26:451
172499140,13cyclictest6723-21bash11:02:391
172499140,13cyclictest0-21swapper/110:42:231
172499140,13cyclictest0-21swapper/110:26:351
172499140,13cyclictest0-21swapper/109:27:201
172399149,3cyclictest0-21swapper/009:45:490
172399148,3cyclictest18707-21rm10:35:040
172399146,7cyclictest0-21swapper/011:47:540
172399141,13cyclictest30694-21kworker/0:008:14:560
1723991411,2cyclictest21750-21sshd09:15:130
172399140,1cyclictest0-21swapper/012:02:300
159782140,1sleep115969-21sshd09:40:201
147652140,1sleep20-21swapper/209:14:382
46192130,1sleep24604-21sshd10:45:162
172699138,4cyclictest3688-21sshd10:19:253
172699138,4cyclictest0-21swapper/310:46:023
172699138,4cyclictest0-21swapper/309:14:333
172699138,2cyclictest10731-21sshd10:34:223
172699138,1cyclictest11519-21sshd10:25:433
172699138,1cyclictest0-21swapper/312:11:263
1726991311,1cyclictest0-21swapper/309:30:463
172699130,3cyclictest0-21swapper/310:02:143
172699130,1cyclictest1621-21nfsd09:35:563
172699130,1cyclictest0-21swapper/311:50:113
172699130,12cyclictest30912-21sshd11:44:573
172699130,12cyclictest25751-21sshd11:07:103
172699130,12cyclictest17935-21sshd10:12:003
172699130,12cyclictest0-21swapper/312:27:263
172699130,12cyclictest0-21swapper/312:00:443
172699130,12cyclictest0-21swapper/311:10:213
172699130,12cyclictest0-21swapper/309:46:303
172699130,11cyclictest4279-21sshd10:39:323
172699130,10cyclictest26866-21diskmemload11:46:463
172599138,4cyclictest0-21swapper/211:44:332
172599138,4cyclictest0-21swapper/211:15:512
172599132,1cyclictest126750irq/25-eth012:34:042
1725991312,1cyclictest0-21swapper/210:41:142
1725991311,2cyclictest0-21swapper/209:01:142
1725991311,1cyclictest9657-21sshd12:05:582
172599131,11cyclictest0-21swapper/212:23:172
172599131,11cyclictest0-21swapper/210:56:102
1725991311,1cyclictest0-21swapper/209:51:102
172599131,11cyclictest0-21swapper/207:45:112
172599130,4cyclictest31654-21bash11:30:332
172599130,4cyclictest24073-21sshd10:01:032
172599130,2cyclictest0-21swapper/211:10:102
172599130,12cyclictest6791-21bash09:19:392
172599130,12cyclictest16646-21sshd12:35:212
172599130,12cyclictest0-21swapper/211:50:082
172599130,12cyclictest0-21swapper/210:08:012
172599130,12cyclictest0-21swapper/209:58:542
172599130,10cyclictest17681-21sshd10:23:292
172499139,1cyclictest0-21swapper/112:16:181
172499138,1cyclictest0-21swapper/109:15:481
172499137,2cyclictest20256-21bash10:23:431
172499131,1cyclictest126750irq/25-eth010:18:051
172499131,1cyclictest126750irq/25-eth009:46:181
1724991311,1cyclictest9143-21sshd11:31:281
172499131,11cyclictest0-21swapper/112:35:171
172499130,4cyclictest19001-21sshd09:20:361
172499130,1cyclictest0-21swapper/111:45:081
172499130,1cyclictest0-21swapper/110:32:501
172499130,12cyclictest3167-21bash11:22:231
172499130,12cyclictest0-21swapper/112:06:341
172499130,12cyclictest0-21swapper/109:30:381
172499130,10cyclictest0-21swapper/110:50:221
172499130,10cyclictest0-21swapper/110:50:221
172399137,3cyclictest0-21swapper/009:35:120
172399131,8cyclictest0-21swapper/008:35:110
172399131,11cyclictest0-21swapper/008:50:210
172399130,11cyclictest0-21swapper/010:25:500
172399130,10cyclictest0-21swapper/008:25:200
150432130,0sleep20-21swapper/212:29:342
172699129,2cyclictest0-21swapper/309:05:143
172699129,2cyclictest0-21swapper/308:55:213
172699120,1cyclictest0-21swapper/312:19:473
172599129,2cyclictest0-21swapper/211:46:422
172599129,2cyclictest0-21swapper/210:15:092
172599129,2cyclictest0-21swapper/209:20:202
172599129,2cyclictest0-21swapper/208:35:192
172599129,2cyclictest0-21swapper/208:15:142
172599129,2cyclictest0-21swapper/207:55:122
172599129,2cyclictest0-21swapper/207:25:132
172599126,5cyclictest0-21swapper/210:30:072
172599121,2cyclictest0-21swapper/207:15:142
1725991211,1cyclictest0-21swapper/208:29:282
172599121,10cyclictest0-21swapper/209:05:202
172599121,10cyclictest0-21swapper/208:40:162
172499129,2cyclictest0-21swapper/109:05:151
172499127,1cyclictest0-21swapper/109:56:131
172499121,2cyclictest0-21swapper/108:20:101
172499121,10cyclictest0-21swapper/111:40:231
172499121,10cyclictest0-21swapper/108:45:101
172499121,10cyclictest0-21swapper/108:15:191
172499120,1cyclictest21449-21sshd12:30:091
172499120,1cyclictest0-21swapper/112:20:271
172499120,11cyclictest19-21rcuc/111:55:361
172399129,2cyclictest0-21swapper/009:05:150
172399129,2cyclictest0-21swapper/009:00:100
172399129,2cyclictest0-21swapper/008:15:180
172399129,2cyclictest0-21swapper/007:50:090
172399129,2cyclictest0-21swapper/007:40:110
172399128,4cyclictest0-21swapper/008:45:090
172399121,6cyclictest0-21swapper/008:00:120
172399121,2cyclictest0-21swapper/007:55:110
172399121,10cyclictest848-21kworker/0:208:24:440
172399120,11cyclictest0-21swapper/007:35:150
172699119,2cyclictest0-21swapper/308:30:173
172699119,2cyclictest0-21swapper/307:45:143
172699119,2cyclictest0-21swapper/307:30:113
172699118,2cyclictest0-21swapper/308:40:213
172699110,1cyclictest18448-21sshd10:40:403
172699110,10cyclictest0-21swapper/308:45:103
172699110,10cyclictest0-21swapper/308:35:213
172699110,10cyclictest0-21swapper/308:25:193
172699110,10cyclictest0-21swapper/308:10:133
172699110,10cyclictest0-21swapper/308:05:163
172699110,10cyclictest0-21swapper/308:00:223
172699110,10cyclictest0-21swapper/307:25:133
172699110,10cyclictest0-21swapper/307:15:163
172599119,1cyclictest0-21swapper/208:30:172
172599111,9cyclictest0-21swapper/207:20:172
172599110,2cyclictest0-21swapper/207:35:132
172599110,1cyclictest0-21swapper/207:11:132
172599110,11cyclictest0-21swapper/208:11:452
172599110,10cyclictest0-21swapper/208:20:172
172599110,10cyclictest0-21swapper/207:40:172
172599110,10cyclictest0-21swapper/207:30:142
172499119,2cyclictest0-21swapper/107:45:131
172499118,2cyclictest0-21swapper/108:05:151
172499110,2cyclictest11958-21apache_processe07:30:111
172499110,2cyclictest0-21swapper/107:25:121
172499110,1cyclictest0-21swapper/107:11:451
172499110,11cyclictest0-21swapper/108:55:381
172499110,11cyclictest0-21swapper/108:42:011
172499110,11cyclictest0-21swapper/107:22:471
172499110,10cyclictest0-21swapper/108:30:161
172499110,10cyclictest0-21swapper/108:10:231
172399119,1cyclictest0-21swapper/007:15:220
172399110,10cyclictest0-21swapper/008:40:120
172399110,10cyclictest0-21swapper/007:30:110
172399110,10cyclictest0-21swapper/007:20:140
172699108,2cyclictest0-21swapper/307:50:133
172699108,2cyclictest0-21swapper/307:40:223
172699108,1cyclictest1993-21cat08:15:193
172699100,9cyclictest24631-21cat09:05:013
172699100,2cyclictest0-21swapper/307:35:123
172699100,1cyclictest3292-21apache_processe08:20:113
172599108,1cyclictest0-21swapper/208:05:192
172599100,9cyclictest26981-21hddtemp_smartct08:00:162
172599100,9cyclictest16173-21memory08:45:162
172499108,2cyclictest0-21swapper/108:25:101
172499100,9cyclictest0-21swapper/109:00:191
172499100,9cyclictest0-21swapper/107:55:151
172499100,9cyclictest0-21swapper/107:15:011
172499100,1cyclictest18816-21ntpq08:50:221
172499100,1cyclictest11203-21fw_conntrack08:35:151
172499100,1cyclictest0-21swapper/108:00:231
172499100,1cyclictest0-21swapper/107:40:211
172499100,10cyclictest0-21swapper/107:50:051
172499100,10cyclictest0-21swapper/107:35:111
172399108,1cyclictest10843-21ntp_states07:25:190
172399108,1cyclictest0-21swapper/007:45:120
172399100,1cyclictest27051-21httpd08:30:130
17269998,1cyclictest0-21swapper/307:10:143
17269990,9cyclictest18331-21smartctl08:50:183
17269990,9cyclictest0-21swapper/307:55:193
17239990,9cyclictest0-21swapper/007:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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