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2026-08-07 - 11:26
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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 Fri Aug 07, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
413327931,44sleep20-21swapper/219:09:442
413226125,9sleep10-21swapper/119:09:431
97102600,0sleep00-21swapper/022:50:160
147092600,0sleep041ktimersoftd/022:44:550
177582590,1sleep017748-21bash23:22:520
269102580,1sleep026898-21sshd22:08:010
5952570,0sleep1593-21bash00:34:051
155472570,1sleep115544-21bash22:01:051
84012560,1sleep28377-21sshd22:35:272
152202560,0sleep11866-21runrttasks23:37:071
144902550,1sleep014488-21bash21:37:400
151302540,0sleep315132-21id00:38:163
415125331,19sleep30-21swapper/319:09:563
405125327,9sleep00-21swapper/019:08:410
274062520,0sleep329534-21diskmemload23:49:563
230932520,0sleep023089-21bash23:32:010
230932520,0sleep023089-21bash23:32:010
88852510,0sleep28877-21sshd23:36:332
41182510,1sleep04103-21sshd23:56:300
23652510,0sleep20-21swapper/222:32:032
183472510,1sleep318319-21sshd22:45:143
326322500,0sleep032630-21sshd22:58:050
316132500,1sleep10-21swapper/121:47:581
287472500,0sleep328742-21bash00:16:083
230662500,1sleep323065-21bash22:19:223
134292490,0sleep30-21swapper/300:23:333
229132480,0sleep322911-21bash23:32:013
229132480,0sleep322911-21bash23:32:013
123622480,0sleep10-21swapper/100:14:461
102592480,1sleep010261-21id00:17:250
287602470,2sleep3440199cyclictest21:30:153
117172470,0sleep30-21swapper/323:22:193
86232460,1sleep18622-21sshd23:56:541
317502450,0sleep10-21swapper/122:34:461
269302450,0sleep026914-21sshd23:52:460
197132450,0sleep00-21swapper/019:40:130
159282440,0sleep10-21swapper/100:06:171
110212370,0sleep00-21swapper/000:29:110
72272350,1sleep37224-21sshd00:02:383
314812260,1sleep30-21swapper/321:50:503
222022230,0sleep20-21swapper/223:11:362
4388992220,1cyclictest1449-21sshd22:11:310
439799211,1cyclictest23434-21sshd23:49:342
4401992018,1cyclictest0-21swapper/322:21:133
4401992018,1cyclictest0-21swapper/322:07:313
439299200,1cyclictest23667-21sshd23:17:361
24692200,1sleep12468-21sshd23:33:081
24692200,1sleep12468-21sshd23:33:071
321732190,1sleep132158-21sshd23:12:331
239732190,1sleep31866-21runrttasks21:24:013
4401991816,1cyclictest23707-21sshd23:58:183
4397991816,1cyclictest0-21swapper/200:06:272
438899183,6cyclictest23231-21kworker/0:223:38:150
227742180,1sleep00-21swapper/023:40:390
172452180,1sleep117243-21sshd00:20:551
439799172,14cyclictest30-21ksoftirqd/221:40:012
4392991715,1cyclictest7251-21sshd22:47:041
4392991715,1cyclictest1528-21sshd22:20:171
4392991714,2cyclictest0-21swapper/122:53:201
439299171,15cyclictest29195-21sshd22:43:151
438899173,13cyclictest25685-21kworker/0:100:05:040
4388991715,1cyclictest26743-21sshd00:30:280
438899170,16cyclictest29534-21diskmemload23:15:490
438899170,14cyclictest0-21swapper/023:13:200
172872170,1sleep217284-21bash23:43:102
156772170,1sleep228-21rcuc/222:50:412
440199161,14cyclictest0-21swapper/322:55:193
4397991615,1cyclictest0-21swapper/222:45:282
4397991614,1cyclictest30-21ksoftirqd/200:20:032
4397991614,1cyclictest30112-21sshd23:29:512
438899168,7cyclictest13747-21sshd22:15:290
438899168,6cyclictest0-21swapper/022:31:320
4388991614,1cyclictest14461-21sshd22:24:270
438899160,6cyclictest9981-21sshd22:35:360
438899160,15cyclictest28688-21bash21:50:340
438899160,13cyclictest4667-21sshd21:30:540
438899160,13cyclictest27160-21sshd21:56:180
438899160,13cyclictest0-21swapper/021:40:540
310132160,0sleep00-21swapper/021:15:490
186692160,0sleep30-21swapper/322:50:583
141822160,0sleep014171-21sshd21:46:220
4401991513,1cyclictest0-21swapper/319:20:163
440199150,14cyclictest0-21swapper/321:37:153
439799154,1cyclictest23681-21kworker/2:121:48:142
439799153,1cyclictest10250irq/24-ahci[00023:57:002
4397991514,1cyclictest30-21ksoftirqd/200:31:382
4392991514,1cyclictest1136-21sshd21:51:011
438899159,3cyclictest0-21swapper/000:00:110
438899158,5cyclictest8573-21sshd22:47:120
438899158,3cyclictest9799-21sshd23:25:060
438899158,1cyclictest8875-21bash21:25:260
438899157,7cyclictest0-21swapper/023:04:150
438899155,1cyclictest1621-21nfsd00:22:290
438899154,10cyclictest19872-21sshd22:01:290
4388991512,2cyclictest0-21swapper/020:10:110
438899150,5cyclictest0-21swapper/023:08:140
438899150,3cyclictest0-21swapper/021:11:250
440199149,4cyclictest0-21swapper/322:03:193
440199149,2cyclictest0-21swapper/321:26:063
440199144,9cyclictest14632-21sshd00:06:103
4401991413,1cyclictest0-21swapper/321:42:003
4401991412,2cyclictest0-21swapper/320:03:153
4401991412,1cyclictest0-21swapper/323:15:503
440199140,13cyclictest11632-21sshd00:26:153
440199140,13cyclictest0-21swapper/323:10:503
440199140,11cyclictest0-21swapper/323:03:153
439799149,4cyclictest0-21swapper/221:28:582
439799148,3cyclictest0-21swapper/222:42:542
439799144,9cyclictest30-21ksoftirqd/222:10:282
4397991413,1cyclictest0-21swapper/223:21:262
4397991412,2cyclictest16966-21kworker/2:123:05:122
4397991412,1cyclictest30-21ksoftirqd/221:54:182
4397991412,1cyclictest30-21ksoftirqd/221:30:392
4397991412,1cyclictest20054-21kworker/2:121:07:092
4397991412,1cyclictest10221-21sshd23:01:502
439799141,12cyclictest28-21rcuc/223:19:062
439799141,12cyclictest28-21rcuc/221:43:382
439799140,13cyclictest1080-21sshd00:28:162
439799140,13cyclictest0-21swapper/200:01:462
439299149,4cyclictest0-21swapper/121:13:111
4392991413,1cyclictest7036-21sshd22:29:371
439299141,1cyclictest126750irq/25-eth021:24:001
439299140,13cyclictest639-21sshd21:27:431
439299140,13cyclictest14477-21apache_volume23:05:131
439299140,10cyclictest0-21swapper/121:44:081
438899148,4cyclictest0-21swapper/020:15:110
438899147,6cyclictest32581-21sshd23:47:260
438899146,4cyclictest0-21swapper/020:50:140
438899142,1cyclictest0-21swapper/022:25:110
4388991413,1cyclictest0-21swapper/000:12:150
4388991410,1cyclictest0-21swapper/000:36:290
438899140,14cyclictest0-21swapper/021:04:520
438899140,13cyclictest6411-21df_inode20:20:130
283152140,0sleep30-21swapper/323:44:113
220182140,1sleep21866-21runrttasks21:18:002
440199139,3cyclictest0-21swapper/300:12:093
440199139,1cyclictest0-21swapper/322:44:193
440199139,1cyclictest0-21swapper/300:31:413
440199131,3cyclictest0-21swapper/320:25:233
4401991312,0cyclictest0-21swapper/323:52:463
440199131,1cyclictest126750irq/25-eth021:58:553
4401991310,2cyclictest0-21swapper/321:45:193
440199130,2cyclictest0-21swapper/323:09:103
440199130,12cyclictest0-21swapper/322:28:093
440199130,12cyclictest0-21swapper/322:11:203
440199130,12cyclictest0-21swapper/319:25:163
440199130,10cyclictest0-21swapper/323:25:483
440199130,10cyclictest0-21swapper/322:36:453
439799134,9cyclictest30-21ksoftirqd/221:10:442
4397991311,1cyclictest30-21ksoftirqd/200:39:352
4397991311,1cyclictest20623-21kworker/2:019:31:402
439799131,11cyclictest0-21swapper/220:15:172
439799131,11cyclictest0-21swapper/219:25:142
4397991311,1cyclictest0-21swapper/200:15:162
439799130,4cyclictest28563-21sshd22:19:522
439799130,12cyclictest5544-21sshd22:00:132
439799130,12cyclictest26434-21sshd00:10:112
439799130,12cyclictest0-21swapper/223:33:542
439799130,12cyclictest0-21swapper/223:33:542
439799130,12cyclictest0-21swapper/222:20:292
439799130,12cyclictest0-21swapper/221:56:552
439299139,3cyclictest0-21swapper/122:55:021
439299139,1cyclictest0-21swapper/123:40:191
439299138,4cyclictest27715-21sshd00:16:021
439299138,3cyclictest0-21swapper/123:46:271
439299138,2cyclictest7518-21sshd22:09:131
439299131,1cyclictest20021-21sshd22:16:051
4392991311,1cyclictest20527-21sshd00:35:451
439299131,11cyclictest0-21swapper/123:20:141
439299131,11cyclictest0-21swapper/121:55:431
4392991311,1cyclictest0-21swapper/121:37:181
4392991311,1cyclictest0-21swapper/121:18:491
439299131,11cyclictest0-21swapper/120:40:121
439299131,11cyclictest0-21swapper/119:35:111
439299131,11cyclictest0-21swapper/119:15:011
4392991311,1cyclictest0-21swapper/100:01:521
439299130,4cyclictest0-21swapper/121:33:361
439299130,12cyclictest0-21swapper/123:53:291
439299130,12cyclictest0-21swapper/122:39:501
439299130,12cyclictest0-21swapper/122:11:281
439299130,10cyclictest0-21swapper/123:26:351
439299130,10cyclictest0-21swapper/123:00:101
439299130,10cyclictest0-21swapper/100:25:531
438899132,8cyclictest18875-21kworker/0:219:20:210
438899131,11cyclictest0-21swapper/021:20:300
438899130,12cyclictest0-21swapper/020:00:160
440199129,2cyclictest0-21swapper/321:05:153
440199129,2cyclictest0-21swapper/320:35:153
440199129,2cyclictest0-21swapper/320:15:143
440199129,2cyclictest0-21swapper/319:15:013
440199121,2cyclictest0-21swapper/320:30:123
440199121,10cyclictest0-21swapper/322:30:373
440199121,10cyclictest0-21swapper/320:45:133
440199120,1cyclictest24534-21sshd23:35:093
440199120,1cyclictest0-21swapper/321:15:553
440199120,1cyclictest0-21swapper/321:11:233
440199120,11cyclictest0-21swapper/320:40:133
439799129,2cyclictest0-21swapper/223:54:122
439799129,2cyclictest0-21swapper/222:55:162
439799129,2cyclictest0-21swapper/221:22:272
439799129,2cyclictest0-21swapper/220:10:132
439799129,2cyclictest0-21swapper/219:40:122
439799129,2cyclictest0-21swapper/219:20:152
439799129,0cyclictest1493-21kworker/2:122:25:202
439799121,2cyclictest0-21swapper/220:20:142
439799121,10cyclictest0-21swapper/222:05:502
439799121,10cyclictest0-21swapper/220:55:132
439799120,1cyclictest28-21rcuc/219:50:002
439299129,2cyclictest0-21swapper/120:20:111
439299129,2cyclictest0-21swapper/119:40:141
439299121,2cyclictest0-21swapper/120:55:121
439299121,2cyclictest0-21swapper/120:00:261
439299121,10cyclictest0-21swapper/120:25:121
438899129,2cyclictest0-21swapper/020:45:130
438899129,2cyclictest0-21swapper/020:35:140
438899129,2cyclictest0-21swapper/019:50:180
438899129,2cyclictest0-21swapper/019:30:110
438899121,10cyclictest0-21swapper/021:05:180
438899120,11cyclictest0-21swapper/020:05:210
438899120,11cyclictest0-21swapper/019:15:010
440199119,1cyclictest0-21swapper/319:35:143
440199117,3cyclictest0-21swapper/320:20:143
440199110,2cyclictest0-21swapper/319:40:143
440199110,10cyclictest0-21swapper/321:00:143
440199110,10cyclictest0-21swapper/320:10:133
440199110,10cyclictest0-21swapper/319:45:193
439799119,1cyclictest0-21swapper/221:00:122
439799119,1cyclictest0-21swapper/220:45:002
439799118,2cyclictest0-21swapper/219:35:192
439799118,2cyclictest0-21swapper/219:15:212
439799111,9cyclictest0-21swapper/220:00:142
439799110,10cyclictest0-21swapper/220:50:122
439799110,10cyclictest0-21swapper/220:45:182
439799110,10cyclictest0-21swapper/220:05:132
439799110,10cyclictest0-21swapper/219:10:152
439299119,1cyclictest26475-21apache_processe19:55:121
439299119,1cyclictest0-21swapper/120:35:241
439299118,2cyclictest0-21swapper/119:45:101
439299110,1cyclictest0-21swapper/120:17:301
439299110,10cyclictest24539-21df_inode19:50:141
439299110,10cyclictest0-21swapper/120:50:201
439299110,10cyclictest0-21swapper/120:05:161
439299110,10cyclictest0-21swapper/119:30:201
439299110,10cyclictest0-21swapper/119:20:131
438899119,1cyclictest0-21swapper/020:55:140
438899119,1cyclictest0-21swapper/020:30:150
438899115,3cyclictest0-21swapper/019:55:190
438899111,9cyclictest0-21swapper/020:40:160
438899111,9cyclictest0-21swapper/019:35:170
438899110,2cyclictest0-21swapper/020:25:210
438899110,11cyclictest0-21swapper/019:45:370
438899110,10cyclictest0-21swapper/019:25:120
440199108,1cyclictest409-21sed20:05:243
440199107,2cyclictest0-21swapper/319:55:203
440199100,9cyclictest23860-21ntp_states20:55:183
440199100,9cyclictest0-21swapper/320:50:123
440199100,9cyclictest0-21swapper/319:50:153
440199100,9cyclictest0-21swapper/319:14:593
439799108,1cyclictest24240-21atenall_rapower19:50:122
439799108,1cyclictest0-21swapper/220:30:152
439799100,9cyclictest0-21swapper/219:55:132
439299108,2cyclictest0-21swapper/120:45:121
439299108,1cyclictest25413-21diskstats21:00:151
439299108,1cyclictest10738-21apache_processe20:30:121
439299108,1cyclictest0-21swapper/121:05:121
439299100,1cyclictest5010-21grep19:10:141
439299100,1cyclictest0-21swapper/119:25:231
438899109,1cyclictest0-21swapper/019:13:460
44019990,9cyclictest0-21swapper/319:30:123
43979998,1cyclictest0-21swapper/220:35:202
43979990,1cyclictest0-21swapper/220:25:172
43929990,9cyclictest0-21swapper/120:10:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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