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2026-09-16 - 08:02
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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 376 highest latencies:
System rack3slot0.osadl.org (updated Wed Sep 16, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
206782850,0sleep6631rcuc/600:07:276
181252800,0sleep2311rcuc/221:16:552
319912650,0sleep00-21swapper/000:08:090
121452580,2sleep71314999cyclictest22:09:307
1293725228,8sleep70-21swapper/719:04:177
6932510,1sleep3695-21systemd-cgroups00:00:193
311332510,0sleep70-21swapper/700:14:017
206752510,0sleep30-21swapper/321:13:123
197052490,0sleep00-21swapper/023:16:270
104162490,1sleep09-21ksoftirqd/021:28:150
317242480,0sleep40-21swapper/421:11:534
307492480,0sleep00-21swapper/021:19:420
292392480,0sleep40-21swapper/421:21:304
288042480,0sleep20-21swapper/223:20:532
1286724837,8sleep40-21swapper/419:03:184
258192470,0sleep30-21swapper/322:20:003
227252470,0sleep60-21swapper/623:40:046
194662470,0sleep2311rcuc/223:34:072
1268024736,8sleep00-21swapper/019:00:420
56842460,1sleep0758-21runrttasks00:12:250
310082460,0sleep10-21swapper/121:56:511
274042460,0sleep00-21swapper/022:49:360
254822450,0sleep00-21swapper/023:36:210
166692450,0sleep50-21swapper/523:22:095
104642450,0sleep30-21swapper/323:47:143
44092440,0sleep50-21swapper/523:48:525
231722440,0sleep00-21swapper/021:36:480
18952440,0sleep60-21swapper/621:15:556
139962440,1sleep5758-21runrttasks22:07:365
1279024433,8sleep30-21swapper/319:02:133
270642430,0sleep30-21swapper/321:15:283
213392430,0sleep60-21swapper/622:37:256
1281024330,9sleep50-21swapper/519:02:315
27842420,0sleep30-21swapper/300:24:063
252452420,1sleep7758-21runrttasks22:45:267
1281124231,8sleep60-21swapper/619:02:326
1272224230,9sleep20-21swapper/219:01:162
75712410,0sleep20-21swapper/223:52:572
66002410,0sleep70-21swapper/721:16:127
285642410,0sleep028560-21sshd21:50:490
285642410,0sleep028560-21sshd21:50:490
16142410,0sleep50-21swapper/521:17:545
209572400,0sleep10-21swapper/121:04:451
20022400,0sleep10-21swapper/122:08:521
173442400,0sleep40-21swapper/422:50:524
1278824028,9sleep10-21swapper/119:02:111
23872390,0sleep60-21swapper/623:50:376
51312380,0sleep30-21swapper/321:22:013
149982380,2sleep21313199cyclictest21:40:102
84252370,0sleep40-21swapper/423:02:054
100652370,0sleep00-21swapper/000:32:200
191712360,0sleep70-21swapper/722:33:257
1313899230,8cyclictest11085-21grepconf.sh22:50:293
1313899230,7cyclictest721-21dbus-daemon23:54:563
1313899220,10cyclictest28902-21sshd23:19:023
1313899220,1cyclictest0-21swapper/322:45:143
1313899210,7cyclictest4757-21packagekitd23:02:563
1313899210,10cyclictest5998-21bash22:58:023
1313899210,10cyclictest31480-21bash00:08:073
1313899210,10cyclictest29004-21grep21:37:093
1313899200,8cyclictest1408-21sshd22:34:193
1313899200,7cyclictest30667-21bash23:21:003
1313899200,7cyclictest2178-21sshd21:47:193
1313899200,10cyclictest3333-21grep23:40:533
1313899200,10cyclictest15165-21grepconf.sh21:30:243
1313899200,1cyclictest0-21swapper/321:57:353
177022190,0sleep20-21swapper/221:26:402
172852190,0sleep60-21swapper/621:10:596
1313899190,9cyclictest18966-21grep23:06:373
1313899190,7cyclictest32127-21sshd23:13:193
1313899190,7cyclictest26918-21sshd00:27:293
1313899190,7cyclictest18495-21sshd23:37:563
1313899190,10cyclictest340-21bash22:12:403
1313899190,10cyclictest1146-21grep21:27:403
220512180,1sleep322035-21sshd22:43:223
13149991816,1cyclictest73-21ksoftirqd/721:50:097
13149991816,1cyclictest73-21ksoftirqd/721:50:097
13149991816,1cyclictest73-21ksoftirqd/700:06:257
13149991814,3cyclictest73-21ksoftirqd/721:35:437
1313899180,8cyclictest6829-21sshd23:31:183
1313899180,8cyclictest11913-21grepconf.sh21:42:003
1313899180,8cyclictest0-21swapper/321:06:073
1313899180,7cyclictest32678-21systemd-cgroups23:29:023
1313899180,7cyclictest19797-21sshd23:49:463
1313899180,10cyclictest16912-21sshd00:13:073
32562170,0sleep10-21swapper/123:48:481
13149991716,1cyclictest73-21ksoftirqd/722:52:437
13149991716,1cyclictest73-21ksoftirqd/722:15:417
1313899170,9cyclictest17015-21sshd21:54:073
1313899170,9cyclictest17015-21sshd21:54:073
1313899170,7cyclictest8157-21bash00:14:343
1313899170,7cyclictest27420-21sshd22:26:003
1313899170,7cyclictest27420-21sshd22:26:003
1313899170,6cyclictest0-21swapper/322:02:273
1313899170,1cyclictest1-21systemd22:38:003
187722160,0sleep118773-21sshd22:56:501
13149991615,1cyclictest73-21ksoftirqd/723:45:047
13149991615,1cyclictest73-21ksoftirqd/723:09:587
13149991614,1cyclictest73-21ksoftirqd/723:39:327
13149991614,1cyclictest73-21ksoftirqd/722:28:357
13149991614,1cyclictest73-21ksoftirqd/722:28:357
13149991613,2cyclictest73-21ksoftirqd/700:32:487
13149991613,1cyclictest73-21ksoftirqd/721:30:067
1313899161,5cyclictest0-21swapper/300:29:533
1313899160,1cyclictest21538-21sshd22:06:043
13130991612,1cyclictest25-21ksoftirqd/122:51:091
187002150,2sleep11313099cyclictest22:17:411
13149991514,1cyclictest73-21ksoftirqd/722:55:377
13149991514,1cyclictest73-21ksoftirqd/722:21:157
13149991514,1cyclictest73-21ksoftirqd/722:09:447
13149991514,1cyclictest73-21ksoftirqd/700:22:407
13149991513,1cyclictest73-21ksoftirqd/723:57:467
13149991513,1cyclictest73-21ksoftirqd/723:50:417
13149991513,1cyclictest73-21ksoftirqd/723:29:557
13149991513,1cyclictest73-21ksoftirqd/723:19:487
13149991513,1cyclictest73-21ksoftirqd/723:04:317
13149991513,1cyclictest73-21ksoftirqd/722:03:137
13149991513,1cyclictest73-21ksoftirqd/721:44:437
13149991513,1cyclictest73-21ksoftirqd/721:27:457
13149991513,1cyclictest73-21ksoftirqd/700:24:577
13149991513,1cyclictest73-21ksoftirqd/700:15:477
13149991511,3cyclictest73-21ksoftirqd/700:01:587
1314999150,14cyclictest12208-21kworker/7:223:42:127
1314299155,4cyclictest5570-21bash23:03:556
1313899150,7cyclictest11799-21grepconf.sh22:15:143
13130991514,1cyclictest25-21ksoftirqd/122:47:491
13130991513,1cyclictest25-21ksoftirqd/123:26:371
13130991513,1cyclictest25-21ksoftirqd/100:29:321
13130991513,1cyclictest25-21ksoftirqd/100:22:221
13130991513,1cyclictest25-21ksoftirqd/100:05:331
109042150,0sleep70-21swapper/721:08:437
33532140,0sleep50-21swapper/523:29:135
267852140,0sleep50-21swapper/521:35:005
1314999149,3cyclictest73-21ksoftirqd/722:39:487
13149991413,1cyclictest73-21ksoftirqd/722:38:397
13149991412,1cyclictest73-21ksoftirqd/723:07:187
13149991412,1cyclictest73-21ksoftirqd/721:11:337
13130991413,1cyclictest25-21ksoftirqd/123:59:421
13130991412,1cyclictest25-21ksoftirqd/123:42:491
13130991412,1cyclictest25-21ksoftirqd/122:22:571
13130991412,1cyclictest25-21ksoftirqd/121:32:341
13129991412,1cyclictest9-21ksoftirqd/022:35:270
56272130,0sleep60-21swapper/621:27:576
1314999139,3cyclictest709-21systemd-logind23:17:007
1314999138,3cyclictest73-21ksoftirqd/721:39:517
13149991311,1cyclictest73-21ksoftirqd/723:26:297
13149991311,1cyclictest73-21ksoftirqd/721:56:187
13149991311,1cyclictest73-21ksoftirqd/721:20:457
1314299132,5cyclictest30014-21bash21:47:026
1314199133,4cyclictest10891-21sshd21:12:355
13141991311,1cyclictest57-21ksoftirqd/500:27:225
13141991310,2cyclictest57-21ksoftirqd/521:21:125
13141991310,2cyclictest5306-21sshd22:28:405
13141991310,2cyclictest5306-21sshd22:28:405
13130991312,1cyclictest25-21ksoftirqd/123:59:121
13130991312,1cyclictest25-21ksoftirqd/123:36:231
13130991312,1cyclictest25-21ksoftirqd/123:18:171
13130991312,1cyclictest25-21ksoftirqd/122:59:481
13130991312,1cyclictest25-21ksoftirqd/122:43:421
13130991312,1cyclictest25-21ksoftirqd/122:12:541
13130991312,1cyclictest25-21ksoftirqd/121:46:591
13130991312,1cyclictest25-21ksoftirqd/121:27:531
13130991312,1cyclictest25-21ksoftirqd/100:14:481
13130991311,1cyclictest25-21ksoftirqd/123:24:271
13130991311,1cyclictest25-21ksoftirqd/122:32:121
13130991311,1cyclictest25-21ksoftirqd/122:27:041
13130991311,1cyclictest25-21ksoftirqd/122:27:041
13130991311,1cyclictest25-21ksoftirqd/121:36:171
13130991311,1cyclictest25-21ksoftirqd/121:20:391
13130991311,1cyclictest25-21ksoftirqd/121:12:441
1312999134,5cyclictest14927-21/usr/sbin/munin23:49:310
285642120,0sleep50-21swapper/500:09:505
223102120,0sleep40-21swapper/423:36:094
208632120,0sleep2311rcuc/223:06:442
189182120,0sleep00-21swapper/023:34:050
1314299122,4cyclictest8454-21grep22:22:566
1314299122,4cyclictest736-21gdbus23:19:276
1314299122,4cyclictest721-21dbus-daemon22:19:226
1314299122,4cyclictest26880-21sshd21:40:556
13142991210,1cyclictest20170-21sshd21:20:556
13142991210,1cyclictest0-21swapper/622:44:316
1314299120,11cyclictest13988-21sshd22:25:096
1314299120,11cyclictest13988-21sshd22:25:096
1314299120,11cyclictest1297-21bash23:27:056
1314299120,1cyclictest0-21swapper/622:10:106
1314199122,4cyclictest0-21swapper/500:04:535
13141991210,1cyclictest0-21swapper/523:08:355
1314099123,4cyclictest31854-21sshd23:23:054
1314099122,4cyclictest30873-21sshd22:32:084
1314099122,4cyclictest17700-21sshd21:16:534
13140991211,1cyclictest49-21ksoftirqd/423:24:404
13140991211,1cyclictest49-21ksoftirqd/422:54:434
13140991210,1cyclictest0-21swapper/422:34:474
1313199122,4cyclictest20212-21sshd23:00:482
1313199122,4cyclictest17793-21sshd21:48:172
1313199122,4cyclictest0-21swapper/222:50:232
13131991210,1cyclictest33-21ksoftirqd/223:39:152
13131991210,1cyclictest33-21ksoftirqd/200:14:432
1313199121,5cyclictest25479-21bash22:33:482
1313099126,4cyclictest9674-21sshd21:51:391
1313099126,4cyclictest9674-21sshd21:51:391
13130991211,1cyclictest25-21ksoftirqd/123:29:381
13130991211,1cyclictest25-21ksoftirqd/122:38:351
13130991210,1cyclictest25-21ksoftirqd/122:00:301
13130991210,1cyclictest25-21ksoftirqd/121:40:231
13130991210,1cyclictest15380-21irqstats21:14:481
1312999122,4cyclictest582-21sshd21:45:120
1312999122,4cyclictest21220-21sshd23:08:460
1312999122,4cyclictest16151-21bash21:06:440
1312999122,4cyclictest15313-21bash21:57:530
1312999122,4cyclictest14903-21sshd22:05:380
13129991210,1cyclictest9-21ksoftirqd/022:03:530
1312999121,5cyclictest21206-21sshd00:25:050
53972110,0sleep40-21swapper/421:25:544
185152110,0sleep10-21swapper/123:06:351
1314299119,1cyclictest85150irq/25-em1-rx-023:07:426
1314299119,1cyclictest29731-21sshd00:19:446
1314299118,2cyclictest10123-21grep22:32:516
1314299118,1cyclictest13052-21fschecks_time23:29:466
1314299112,4cyclictest6015-21sshd22:46:166
1314299112,4cyclictest0-21swapper/600:10:446
13142991110,1cyclictest65-21ksoftirqd/623:55:166
1314299111,5cyclictest21962-21sshd22:00:106
1314299111,4cyclictest27106-21sshd21:31:096
1314299111,4cyclictest25761-21systemd-cgroups22:55:166
1314299110,5cyclictest7716-21grep00:14:326
1314299110,10cyclictest0-21swapper/622:51:086
1314299110,1cyclictest721-21dbus-daemon00:25:346
1314299110,1cyclictest0-21swapper/623:11:296
1314199119,1cyclictest57-21ksoftirqd/523:40:515
1314199113,2cyclictest857-21polkitd00:31:055
1314199112,4cyclictest6402-21sshd23:35:105
1314199111,4cyclictest22376-21sshd23:00:575
1314199111,4cyclictest21053-21sshd22:56:585
1314199111,4cyclictest0-21swapper/522:00:545
1314099119,2cyclictest29513-21sshd22:28:094
1314099119,2cyclictest29513-21sshd22:28:094
1314099115,2cyclictest23530-21sshd22:39:334
1314099112,4cyclictest5445-21sshd23:15:334
1314099112,4cyclictest28395-21cp00:05:554
1314099112,4cyclictest20656-21sshd23:49:484
1314099112,4cyclictest20209-21bash00:27:034
1314099112,4cyclictest16868-21sshd23:29:554
1314099112,3cyclictest23847-21sshd23:46:034
1314099111,4cyclictest11970-21sshd21:08:474
1314099111,4cyclictest0-21swapper/422:13:024
1314099110,11cyclictest0-21swapper/422:05:084
1314099110,11cyclictest0-21swapper/421:45:354
1314099110,10cyclictest0-21swapper/421:56:094
1313199119,1cyclictest33-21ksoftirqd/222:04:452
1313199119,1cyclictest33-21ksoftirqd/200:11:432
1313199113,7cyclictest6959-21sshd21:29:552
1313199113,7cyclictest13938-21bash21:12:472
1313199112,5cyclictest7441-21sshd23:15:402
1313199112,4cyclictest29668-21sshd22:26:092
1313199112,4cyclictest29668-21sshd22:26:092
1313199112,4cyclictest0-21swapper/222:11:062
13131991110,1cyclictest33-21ksoftirqd/200:25:172
1313199110,10cyclictest0-21swapper/200:02:522
1313199110,1cyclictest30771-21sshd00:33:372
1313199110,1cyclictest0-21swapper/200:21:572
1313099119,1cyclictest25-21ksoftirqd/100:10:271
13130991110,1cyclictest25-21ksoftirqd/123:50:021
1313099110,10cyclictest18014-21sshd00:32:491
1313099110,1cyclictest14290-21sshd23:10:121
1312999119,1cyclictest0-21swapper/000:19:590
1312999117,1cyclictest9-21ksoftirqd/023:00:030
1312999114,4cyclictest0-21swapper/020:49:320
1312999113,7cyclictest15679-21sshd21:12:530
1312999112,4cyclictest31646-21sshd21:29:320
1312999112,4cyclictest0-21swapper/023:40:240
1312999111,4cyclictest24086-21sshd22:12:070
1312999111,4cyclictest18292-21sshd21:40:230
1312999110,10cyclictest26320-21kworker/0:022:21:070
1312999110,1cyclictest0-21swapper/000:00:070
103452110,0sleep40-21swapper/420:49:514
294712100,0sleep50-21swapper/523:19:045
1314299108,1cyclictest65-21ksoftirqd/621:35:336
1314299103,6cyclictest8405-21sshd21:49:416
1314299103,6cyclictest8405-21sshd21:49:416
1314299103,6cyclictest3005-21sshd21:08:116
1314299103,6cyclictest15523-21sshd23:45:316
1314299103,6cyclictest10153-21sshd23:19:486
1314299102,1cyclictest0-21swapper/621:55:456
1314299100,9cyclictest5938-21cpu20:44:426
1314299100,4cyclictest883-21bash00:31:456
1314299100,1cyclictest0-21swapper/623:59:526
1314199108,1cyclictest57-21ksoftirqd/522:20:565
1314199108,1cyclictest57-21ksoftirqd/519:49:325
1314199103,6cyclictest25361-21sshd21:40:495
1314199103,1cyclictest721-21dbus-daemon00:02:555
1314199102,7cyclictest21487-21sshd22:17:515
1314199102,2cyclictest859-21gdbus21:08:445
1314199100,4cyclictest859-21gdbus21:53:305
1314199100,4cyclictest859-21gdbus21:53:305
1314199100,4cyclictest721-21dbus-daemon21:31:095
1314199100,4cyclictest29739-21sshd21:27:255
1314199100,4cyclictest21328-21bash22:35:255
1314199100,4cyclictest1157-21sshd23:32:595
1314199100,10cyclictest0-21swapper/522:42:255
1314199100,10cyclictest0-21swapper/521:56:065
1314099109,1cyclictest366-21jbd2/sda2-800:11:064
1314099109,1cyclictest0-21swapper/423:57:524
1314099108,1cyclictest49-21ksoftirqd/423:40:294
1314099108,1cyclictest49-21ksoftirqd/422:00:074
1314099108,1cyclictest49-21ksoftirqd/421:51:114
1314099108,1cyclictest49-21ksoftirqd/421:51:114
1314099108,1cyclictest49-21ksoftirqd/400:33:474
1314099103,6cyclictest13881-21grepconf.sh00:20:424
1314099103,6cyclictest10731-21bash23:09:594
1314099102,7cyclictest4534-21sshd00:16:144
1314099101,4cyclictest0-21swapper/400:00:034
1314099100,4cyclictest4118-21sshd23:05:424
1313899103,6cyclictest752-21snmpd20:51:013
1313899100,9cyclictest0-21swapper/319:39:463
1313899100,1cyclictest0-21swapper/319:33:423
1313199108,1cyclictest23775-21sshd23:48:032
1313199103,6cyclictest29892-21sshd22:45:442
1313199102,7cyclictest29492-21sshd23:44:312
1313199101,4cyclictest19971-21systemd-cgroups22:37:192
1313199100,4cyclictest4874-21sshd22:14:502
1313199100,10cyclictest0-21swapper/223:56:152
1313199100,10cyclictest0-21swapper/223:11:002
1313199100,10cyclictest0-21swapper/222:39:472
1313199100,1cyclictest6583-21bash21:55:202
1313199100,1cyclictest0-21swapper/222:19:562
1312999108,1cyclictest9-21ksoftirqd/022:24:330
1312999108,1cyclictest9-21ksoftirqd/022:24:330
1312999103,6cyclictest22134-21sshd22:45:140
1312999103,6cyclictest19885-21sshd00:17:110
1312999102,4cyclictest27861-21sshd23:24:470
1312999101,4cyclictest0-21swapper/023:52:210
1312999101,4cyclictest0-21swapper/022:17:050
1312999100,4cyclictest4197-21sshd23:13:360
1312999100,4cyclictest2973-21sshd21:15:590
1312999100,10cyclictest0-21swapper/022:56:540
1312999100,10cyclictest0-21swapper/022:42:050
131429990,4cyclictest0-21swapper/622:05:536
131429990,3cyclictest21486-21sshd23:38:076
131419998,1cyclictest57-21ksoftirqd/523:54:535
131419998,1cyclictest0-21swapper/500:22:415
131419997,1cyclictest57-21ksoftirqd/523:49:475
131419992,3cyclictest11581-21grepconf.sh23:14:035
131419990,9cyclictest0-21swapper/521:48:585
131419990,4cyclictest844-21sshd22:10:415
131419990,0cyclictest0-21swapper/500:16:045
131409998,1cyclictest49-21ksoftirqd/422:19:524
131409998,1cyclictest49-21ksoftirqd/421:36:104
131409998,1cyclictest49-21ksoftirqd/421:33:024
131409997,1cyclictest49-21ksoftirqd/422:15:414
131409997,1cyclictest49-21ksoftirqd/421:40:014
131409990,9cyclictest0-21swapper/422:45:394
131389993,5cyclictest752-21snmpd19:55:213
131389993,5cyclictest752-21snmpd19:47:353
131389993,5cyclictest16307-21cat20:04:493
131389992,6cyclictest752-21snmpd20:34:403
131389992,6cyclictest752-21snmpd20:19:303
131389992,6cyclictest14883-21cat19:04:503
131389990,8cyclictest4486-21grep20:39:503
131389990,8cyclictest4486-21grep20:39:503
131389990,8cyclictest30037-21expr20:29:433
131389990,1cyclictest8710-21timerwakeupswit19:49:543
131389990,1cyclictest0-21swapper/320:25:143
131389990,1cyclictest0-21swapper/320:20:583
131389990,1cyclictest0-21swapper/319:37:503
131389990,1cyclictest0-21swapper/319:26:303
131389990,0cyclictest0-21swapper/320:59:543
131389990,0cyclictest0-21swapper/320:59:543
131389990,0cyclictest0-21swapper/320:10:023
131389990,0cyclictest0-21swapper/319:09:543
131319998,1cyclictest33-21ksoftirqd/223:25:402
131319997,1cyclictest33-21ksoftirqd/221:08:162
131319997,1cyclictest0-21swapper/221:20:112
131319993,6cyclictest21349-21sshd21:50:222
131319993,6cyclictest21349-21sshd21:50:222
131319990,4cyclictest9254-21sshd21:35:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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