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2026-04-02 - 08:15
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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 Thu Apr 02, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
303419912112,36cyclictest0-21swapper/523:15:055
303419911734,64cyclictest24533-21systemd23:55:155
241602870,0sleep20-21swapper/223:21:292
30339998482,1cyclictest1116-21nfsd23:15:053
296412790,0sleep00-21swapper/021:32:260
3033999740,73cyclictest29711-21kworker/3:323:55:143
3034399530,52cyclictest31877-21kworker/u16:323:15:067
283372530,0sleep40-21swapper/423:36:364
28652520,0sleep60-21swapper/621:27:126
304472510,0sleep00-21swapper/000:31:110
3034299510,0cyclictest0-21swapper/623:55:156
30338995151,0cyclictest13550irq/24-ahci[00023:55:152
91072500,0sleep10-21swapper/122:21:211
3032799490,49cyclictest14996-21kworker/0:223:15:050
279832490,2sleep53034199cyclictest22:15:005
265442480,1sleep5686-21dbus-daemon21:32:155
64902470,0sleep30-21swapper/321:27:253
298632460,0sleep50-21swapper/522:24:215
28542460,1sleep42853-21systemd-cgroups23:59:354
3034299452,43cyclictest0-21swapper/623:15:066
83292440,0sleep2321ktimersoftd/200:29:522
201042440,0sleep70-21swapper/700:13:407
150652440,0sleep3784-21runrttasks22:25:233
11942440,0sleep60-21swapper/621:32:406
52032430,0sleep50-21swapper/521:18:065
288392430,0sleep528835-21sshd22:44:395
282942430,0sleep70-21swapper/722:55:477
213592430,1sleep5686-21dbus-daemon00:10:015
15302430,0sleep60-21swapper/622:52:176
106722430,0sleep10-21swapper/122:54:451
102692430,0sleep00-21swapper/021:12:480
17162420,1sleep31665-21sshd22:48:383
17162420,1sleep31665-21sshd22:48:383
52752410,0sleep10-21swapper/122:50:441
52752410,0sleep10-21swapper/122:50:441
38512410,0sleep40-21swapper/422:17:154
307232410,0sleep60-21swapper/621:21:276
30338994141,0cyclictest13550irq/24-ahci[00023:15:062
3013124129,8sleep70-21swapper/719:05:167
3005824122,15sleep10-21swapper/119:04:141
2989224130,8sleep50-21swapper/519:01:545
154762410,0sleep215287-21sshd22:55:022
139722410,0sleep00-21swapper/021:55:410
118962410,0sleep40-21swapper/421:25:574
3014824027,9sleep60-21swapper/619:05:316
2868424027,8sleep00-21swapper/019:01:320
217372400,0sleep50-21swapper/521:57:545
12002400,1sleep2686-21dbus-daemon23:01:342
80492390,0sleep30-21swapper/321:16:273
48402390,0sleep40-21swapper/422:30:214
2999223928,8sleep20-21swapper/219:03:192
2998423928,8sleep30-21swapper/319:03:123
271312390,0sleep30-21swapper/319:56:283
190182390,0sleep00-21swapper/023:47:220
190182390,0sleep00-21swapper/023:47:220
183642390,0sleep118361-21sshd21:57:421
168912390,0sleep50-21swapper/521:42:485
136552390,0sleep70-21swapper/721:14:557
130912390,0sleep50-21swapper/523:04:105
2989123827,8sleep40-21swapper/419:01:534
218902380,1sleep23033899cyclictest21:37:332
30335993736,1cyclictest23280-21kworker/1:623:55:151
248562370,0sleep30-21swapper/300:25:133
115362370,0sleep70-21swapper/721:06:467
206922360,0sleep60-21swapper/622:42:166
30335993533,2cyclictest19993-21kworker/1:123:15:061
3034399320,31cyclictest15978-21kworker/7:023:55:157
67042310,1sleep23033899cyclictest21:18:112
3032799310,30cyclictest0-21swapper/023:55:140
3033599250,2cyclictest7433-21grep00:14:501
3034099240,24cyclictest31974-21kworker/4:523:55:154
3033599240,1cyclictest28487-21sshd21:52:441
30342992310,1cyclictest65-21ksoftirqd/600:15:166
3033599230,2cyclictest9676-21grepconf.sh21:16:311
3033599230,2cyclictest21321-21sshd22:09:021
30327992313,6cyclictest9-21ksoftirqd/000:33:020
3034199223,8cyclictest0-21swapper/500:13:165
3033599220,1cyclictest0-21swapper/123:35:111
92282210,0sleep40-21swapper/422:47:114
92282210,0sleep40-21swapper/422:47:114
3033599210,2cyclictest14481-21sshd23:37:431
30327992113,4cyclictest11141-21kworker/u16:200:19:120
309012200,0sleep70-21swapper/700:10:357
3034299208,1cyclictest65-21ksoftirqd/621:18:006
3034299202,3cyclictest65-21ksoftirqd/600:08:226
30342992016,3cyclictest65-21ksoftirqd/600:33:036
30342992015,3cyclictest492-21systemd-journal23:50:326
30342992015,3cyclictest492-21systemd-journal23:50:326
3034199202,8cyclictest32226-21kill23:33:025
3033599202,7cyclictest686-21dbus-daemon22:29:281
3033599200,3cyclictest7130-21rm22:41:311
3033599200,10cyclictest20211-21sshd22:38:351
3033599200,1cyclictest0-21swapper/122:04:361
3034299198,1cyclictest121rcu_preempt23:21:366
30342991918,1cyclictest65-21ksoftirqd/622:47:546
30342991918,1cyclictest65-21ksoftirqd/622:47:546
30342991916,1cyclictest65-21ksoftirqd/600:23:196
30342991916,1cyclictest492-21systemd-journal21:49:266
30342991915,3cyclictest65-21ksoftirqd/623:59:116
30342991914,1cyclictest65-21ksoftirqd/623:41:366
30342991914,1cyclictest65-21ksoftirqd/623:41:366
30338991917,1cyclictest33-21ksoftirqd/223:26:252
30338991917,1cyclictest33-21ksoftirqd/222:34:202
3033899191,1cyclictest131rcu_sched22:59:472
3033599190,3cyclictest29854-21sshd00:04:541
3033599190,3cyclictest2869-21grepconf.sh00:31:261
3033599190,3cyclictest24906-21systemd21:41:281
3033599190,3cyclictest21849-21grep22:31:191
3033599190,2cyclictest1463-21sshd21:27:071
3033599190,1cyclictest0-21swapper/123:08:581
115022190,1sleep5561ktimersoftd/521:27:435
307022180,2sleep13033599cyclictest21:14:011
3034299183,1cyclictest65-21ksoftirqd/623:26:326
3034299183,1cyclictest65-21ksoftirqd/622:32:126
30342991817,1cyclictest65-21ksoftirqd/622:29:006
30338991816,1cyclictest33-21ksoftirqd/222:46:222
30338991816,1cyclictest33-21ksoftirqd/222:46:222
30338991816,1cyclictest33-21ksoftirqd/221:31:162
30338991815,3cyclictest33-21ksoftirqd/221:45:182
30338991815,2cyclictest33-21ksoftirqd/221:52:322
30338991812,3cyclictest33-21ksoftirqd/223:58:582
3033599182,6cyclictest686-21dbus-daemon22:13:311
3033599180,3cyclictest31812-21grepconf.sh00:25:381
3033599180,3cyclictest19269-21grep21:41:101
3033599180,2cyclictest686-21dbus-daemon23:21:051
3033599180,2cyclictest31385-21sshd00:06:461
3033599180,2cyclictest28823-21sshd23:57:171
3033599180,2cyclictest18221-21systemd23:02:321
3033599180,2cyclictest15506-21sshd23:45:211
3033599180,2cyclictest15506-21sshd23:45:211
3033599180,2cyclictest12083-21bash21:24:031
3033599180,1cyclictest686-21dbus-daemon21:32:421
3033599180,1cyclictest0-21swapper/100:29:381
3032799187,0cyclictest0-21swapper/023:19:080
30342991715,1cyclictest65-21ksoftirqd/623:38:316
30342991715,1cyclictest65-21ksoftirqd/623:18:256
30342991715,1cyclictest65-21ksoftirqd/623:11:096
30342991715,1cyclictest65-21ksoftirqd/623:01:346
30342991715,1cyclictest65-21ksoftirqd/600:20:466
30342991715,1cyclictest4995-21grep00:01:326
30342991714,1cyclictest65-21ksoftirqd/622:01:076
30342991713,4cyclictest65-21ksoftirqd/621:10:416
30342991713,1cyclictest492-21systemd-journal21:51:376
30342991711,3cyclictest121rcu_preempt22:20:366
3034299171,1cyclictest65-21ksoftirqd/623:32:196
3034099170,17cyclictest0-21swapper/423:15:054
30338991716,1cyclictest33-21ksoftirqd/222:22:372
30338991716,1cyclictest33-21ksoftirqd/221:32:442
30338991715,1cyclictest33-21ksoftirqd/223:47:462
30338991715,1cyclictest33-21ksoftirqd/223:47:462
30338991715,1cyclictest33-21ksoftirqd/223:34:592
30338991715,1cyclictest33-21ksoftirqd/221:59:012
30338991715,1cyclictest33-21ksoftirqd/200:32:572
30338991715,1cyclictest33-21ksoftirqd/200:18:552
30338991715,1cyclictest33-21ksoftirqd/200:01:332
30338991714,2cyclictest33-21ksoftirqd/222:19:312
30338991714,2cyclictest33-21ksoftirqd/200:08:182
30338991714,1cyclictest33-21ksoftirqd/222:03:182
3033599173,6cyclictest12555-21grepconf.sh21:46:201
3033599170,3cyclictest9391-21kill00:20:351
3033599170,2cyclictest686-21dbus-daemon23:28:561
3033599170,2cyclictest686-21dbus-daemon21:06:451
3033599170,2cyclictest12164-21bash23:22:371
3033599170,1cyclictest28028-21bash23:49:491
3033599170,1cyclictest28028-21bash23:49:491
3033599170,1cyclictest0-21swapper/122:17:561
3032799178,9cyclictest0-21swapper/000:22:080
30327991715,1cyclictest9-21ksoftirqd/021:22:210
30327991712,1cyclictest7996-21kworker/u16:123:43:380
30327991712,1cyclictest7996-21kworker/u16:123:43:380
3034299163,1cyclictest65-21ksoftirqd/621:36:286
30342991615,1cyclictest65-21ksoftirqd/621:12:136
30342991614,1cyclictest65-21ksoftirqd/622:21:336
30342991614,1cyclictest65-21ksoftirqd/622:07:276
30342991614,1cyclictest65-21ksoftirqd/621:43:426
30342991614,1cyclictest65-21ksoftirqd/600:26:276
30342991611,1cyclictest65-21ksoftirqd/622:04:366
3034299161,1cyclictest131rcu_sched22:38:486
3034199163,12cyclictest20876-21sshd23:25:025
30341991614,1cyclictest57-21ksoftirqd/522:29:285
3034099167,2cyclictest32622-21grepconf.sh00:12:294
3034099160,15cyclictest10077-21sshd21:59:094
3033899165,1cyclictest33-21ksoftirqd/200:22:392
30338991615,1cyclictest33-21ksoftirqd/221:25:282
30338991614,1cyclictest33-21ksoftirqd/223:38:222
30338991614,1cyclictest33-21ksoftirqd/223:17:002
30338991614,1cyclictest33-21ksoftirqd/222:44:422
30338991614,1cyclictest33-21ksoftirqd/222:29:282
30338991614,1cyclictest33-21ksoftirqd/222:11:302
30338991614,1cyclictest33-21ksoftirqd/222:06:332
30338991614,1cyclictest33-21ksoftirqd/221:11:292
30338991614,1cyclictest33-21ksoftirqd/221:06:342
30338991614,1cyclictest33-21ksoftirqd/200:13:392
30338991612,1cyclictest33-21ksoftirqd/222:39:212
3033599160,1cyclictest0-21swapper/122:56:411
30327991613,2cyclictest9-21ksoftirqd/023:04:010
30327991610,5cyclictest0-21swapper/023:37:520
30343991513,1cyclictest73-21ksoftirqd/723:41:307
30343991513,1cyclictest73-21ksoftirqd/723:41:307
30343991513,1cyclictest73-21ksoftirqd/723:25:047
30343991513,1cyclictest73-21ksoftirqd/722:44:167
30343991513,1cyclictest73-21ksoftirqd/700:20:007
30342991513,1cyclictest65-21ksoftirqd/622:56:576
30342991511,1cyclictest65-21ksoftirqd/622:12:276
3034199159,5cyclictest0-21swapper/523:47:205
3034199159,5cyclictest0-21swapper/523:47:205
30341991512,2cyclictest11342-21systemd22:49:135
30341991512,2cyclictest11342-21systemd22:49:135
30341991510,2cyclictest26536-21systemd22:16:415
30339991513,1cyclictest41-21ksoftirqd/323:29:553
30338991513,1cyclictest33-21ksoftirqd/223:45:492
30338991513,1cyclictest33-21ksoftirqd/223:45:492
30338991513,1cyclictest33-21ksoftirqd/223:07:232
3032799157,7cyclictest0-21swapper/000:09:340
3032799155,10cyclictest0-21swapper/000:13:500
30327991514,0cyclictest22556-21kworker/u16:521:57:240
30327991510,1cyclictest1-21systemd21:41:480
298882150,0sleep50-21swapper/500:25:315
180222150,1sleep418020-21grepconf.sh00:34:114
121222150,0sleep00-21swapper/021:36:590
3034399149,2cyclictest73-21ksoftirqd/723:36:527
30343991412,1cyclictest73-21ksoftirqd/700:33:137
3034199149,5cyclictest15527-21sshd00:34:025
3034199149,5cyclictest0-21swapper/523:42:045
3034199149,5cyclictest0-21swapper/523:42:045
3034199149,1cyclictest17613-21bash23:37:545
3034199148,5cyclictest686-21dbus-daemon00:18:285
3034199148,5cyclictest0-21swapper/523:16:225
3034199148,5cyclictest0-21swapper/500:26:425
3034199142,9cyclictest0-21swapper/521:02:145
3034199142,9cyclictest0-21swapper/521:02:145
3034199142,9cyclictest0-21swapper/520:54:205
3034199142,9cyclictest0-21swapper/519:56:145
3034199142,9cyclictest0-21swapper/519:35:065
3034199142,9cyclictest0-21swapper/519:22:165
3034199142,6cyclictest0-21swapper/500:00:045
30341991412,1cyclictest57-21ksoftirqd/521:48:455
30339991412,1cyclictest41-21ksoftirqd/321:34:423
3033999140,13cyclictest2214-21grepconf.sh22:07:553
30338991412,1cyclictest33-21ksoftirqd/221:46:472
3032799149,5cyclictest0-21swapper/000:03:180
3032799148,5cyclictest9-21ksoftirqd/023:26:560
3032799148,5cyclictest1040-21bash23:33:060
30327991412,1cyclictest9-21ksoftirqd/023:22:000
30327991412,1cyclictest9-21ksoftirqd/021:27:490
30327991411,2cyclictest9-21ksoftirqd/022:57:340
3034199139,3cyclictest57-21ksoftirqd/523:00:135
3034199138,5cyclictest0-21swapper/500:02:325
3034199138,0cyclictest0-21swapper/523:26:405
30341991311,1cyclictest57-21ksoftirqd/522:02:385
30341991310,3cyclictest1-21systemd21:07:405
3034199130,10cyclictest0-21swapper/520:59:085
3034199130,10cyclictest0-21swapper/520:42:085
3034199130,10cyclictest0-21swapper/520:27:205
3034199130,10cyclictest0-21swapper/520:06:165
3034199130,10cyclictest0-21swapper/519:57:245
3034199130,10cyclictest0-21swapper/519:47:025
3034199130,10cyclictest0-21swapper/519:16:205
3034199130,10cyclictest0-21swapper/519:13:545
3034199130,10cyclictest0-21swapper/519:13:545
3034199130,10cyclictest0-21swapper/519:06:445
30340991311,1cyclictest49-21ksoftirqd/422:24:384
3034099130,2cyclictest831-21bash00:25:434
3034099130,1cyclictest0-21swapper/421:15:334
30339991311,1cyclictest41-21ksoftirqd/323:39:473
30339991311,1cyclictest41-21ksoftirqd/323:01:063
3033599130,1cyclictest0-21swapper/120:31:361
3032799137,5cyclictest0-21swapper/023:57:020
30327991312,1cyclictest9-21ksoftirqd/022:31:340
3034399129,2cyclictest31064-21sshd21:26:577
3034399123,5cyclictest24659-21systemd21:46:567
30343991211,1cyclictest0-21swapper/700:30:527
30343991210,1cyclictest73-21ksoftirqd/723:28:477
30343991210,1cyclictest73-21ksoftirqd/722:14:187
3034399121,1cyclictest797-21sshd22:08:537
30342991210,2cyclictest65-21ksoftirqd/621:06:166
30342991210,2cyclictest65-21ksoftirqd/621:06:166
3034199126,3cyclictest10800-21bash22:52:515
3034199123,9cyclictest0-21swapper/520:51:005
3034199123,9cyclictest0-21swapper/520:20:505
30341991210,1cyclictest57-21ksoftirqd/523:08:405
30341991210,1cyclictest57-21ksoftirqd/522:38:445
30341991210,1cyclictest57-21ksoftirqd/521:15:375
3034199121,5cyclictest28034-21sshd21:21:175
3034199120,9cyclictest0-21swapper/520:31:465
3034199120,3cyclictest0-21swapper/519:40:065
3034199120,11cyclictest0-21swapper/522:07:555
3034099122,4cyclictest686-21dbus-daemon22:02:534
3034099122,4cyclictest20766-21sshd22:57:064
3034099122,4cyclictest1865-21sshd23:20:144
30340991210,1cyclictest9915-21sshd23:29:574
30340991210,1cyclictest49-21ksoftirqd/422:14:174
30340991210,1cyclictest49-21ksoftirqd/421:53:494
30340991210,1cyclictest49-21ksoftirqd/400:20:074
3034099121,10cyclictest13184-21grep21:38:564
3034099120,11cyclictest9363-21kworker/4:323:31:274
3033999129,3cyclictest0-21swapper/321:10:423
3033999127,3cyclictest41-21ksoftirqd/321:38:443
3033999126,3cyclictest5348-21grepconf.sh23:01:473
3033999124,5cyclictest22361-21sshd23:43:503
3033999124,5cyclictest22361-21sshd23:43:503
30339991211,1cyclictest41-21ksoftirqd/321:51:023
30339991210,1cyclictest41-21ksoftirqd/322:12:153
30339991210,1cyclictest41-21ksoftirqd/321:14:013
30339991210,1cyclictest41-21ksoftirqd/300:31:313
30339991210,1cyclictest41-21ksoftirqd/300:15:383
30339991210,1cyclictest0-21swapper/322:52:523
30339991210,1cyclictest0-21swapper/322:36:563
3033999120,11cyclictest686-21dbus-daemon22:43:243
3032799129,2cyclictest691-21systemd-logind22:55:390
30327991210,1cyclictest9-21ksoftirqd/023:06:590
30327991210,1cyclictest9-21ksoftirqd/022:08:090
30327991210,1cyclictest9-21ksoftirqd/022:01:360
30327991210,1cyclictest9-21ksoftirqd/021:16:330
30327991210,1cyclictest9-21ksoftirqd/021:07:080
30327991210,0cyclictest4250-21kworker/0:122:13:220
31202110,0sleep70-21swapper/722:22:477
3034399119,1cyclictest73-21ksoftirqd/723:35:367
3034399119,1cyclictest73-21ksoftirqd/723:08:267
3034399119,1cyclictest73-21ksoftirqd/723:04:117
3034399119,1cyclictest73-21ksoftirqd/722:36:557
3034399119,1cyclictest73-21ksoftirqd/700:02:057
3034399119,1cyclictest1-21systemd21:41:087
3034399117,1cyclictest73-21ksoftirqd/722:03:307
3034399112,4cyclictest15428-21sshd22:29:047
3034199119,1cyclictest57-21ksoftirqd/522:34:485
3034199112,6cyclictest0-21swapper/520:36:545
3034199112,6cyclictest0-21swapper/520:14:125
30341991110,1cyclictest57-21ksoftirqd/521:38:345
3034099119,1cyclictest49-21ksoftirqd/422:45:274
3034099113,7cyclictest885-21polkitd23:09:214
3034099113,7cyclictest21900-21bash23:21:234
3034099112,4cyclictest11740-21sshd22:36:174
3034099112,4cyclictest0-21swapper/421:18:534
3034099111,4cyclictest0-21swapper/400:26:584
3034099110,5cyclictest686-21dbus-daemon21:06:544
3034099110,11cyclictest7944-21kworker/4:423:51:104
3034099110,11cyclictest7944-21kworker/4:423:51:104
3034099110,11cyclictest2229-21kworker/4:200:08:004
3033999119,1cyclictest41-21ksoftirqd/323:48:373
3033999119,1cyclictest41-21ksoftirqd/323:48:373
3033999119,1cyclictest41-21ksoftirqd/323:32:243
3033999119,1cyclictest41-21ksoftirqd/323:19:123
3033999119,1cyclictest41-21ksoftirqd/322:17:033
3033999119,1cyclictest41-21ksoftirqd/321:44:383
3033999112,4cyclictest10424-21sshd23:58:073
30339991110,1cyclictest41-21ksoftirqd/321:59:233
30339991110,1cyclictest41-21ksoftirqd/321:52:493
30339991110,1cyclictest41-21ksoftirqd/300:27:273
3033999110,11cyclictest19384-21kworker/3:323:24:233
3033999110,11cyclictest0-21swapper/322:33:283
3033999110,10cyclictest19384-21kworker/3:323:07:013
3033999110,10cyclictest14265-21kworker/3:100:18:223
3033999110,10cyclictest0-21swapper/322:02:253
3033599116,4cyclictest25-21ksoftirqd/119:51:161
3033599110,2cyclictest9962-21cat20:21:321
3032799119,1cyclictest9-21ksoftirqd/022:49:350
3032799119,1cyclictest9-21ksoftirqd/022:49:350
3032799119,1cyclictest9-21ksoftirqd/022:29:440
3032799119,1cyclictest17231-21kworker/0:222:42:220
3032799117,1cyclictest9-21ksoftirqd/022:22:320
3032799115,3cyclictest30895-21kill22:20:450
30327991110,1cyclictest9-21ksoftirqd/022:36:280
30327991110,1cyclictest9-21ksoftirqd/021:46:320
3034399109,1cyclictest73-21ksoftirqd/721:24:167
3034399108,1cyclictest73-21ksoftirqd/723:21:007
3034399108,1cyclictest73-21ksoftirqd/722:31:487
3034399108,1cyclictest73-21ksoftirqd/721:32:467
3034399105,2cyclictest492-21systemd-journal21:43:197
3034399104,3cyclictest29412-21bash21:52:477
3034399104,3cyclictest17328-21grep21:59:347
3034399104,2cyclictest18838-21bash23:49:167
3034399104,2cyclictest18838-21bash23:49:167
3034399103,4cyclictest686-21dbus-daemon22:50:467
3034399103,4cyclictest686-21dbus-daemon22:50:467
3034399103,3cyclictest8521-21sshd21:20:117
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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