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2026-09-05 - 20:50
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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 Sat Sep 05, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2179599121119,1cyclictest1844-21nfsd12:22:404
217729911954,25cyclictest9-21ksoftirqd/012:22:410
32032950,2sleep62180499cyclictest09:15:496
61092790,2sleep12177599cyclictest12:33:511
61092790,2sleep12177599cyclictest12:33:511
2180299740,71cyclictest8987-21kworker/5:212:22:415
21804997129,0cyclictest0-21swapper/612:22:416
133162540,0sleep10-21swapper/111:56:581
257312520,0sleep10-21swapper/109:32:501
18932510,0sleep10-21swapper/111:03:241
144772510,1sleep773-21ksoftirqd/712:06:507
260382500,1sleep125-21ksoftirqd/111:28:231
121152500,0sleep20-21swapper/209:06:082
49022490,0sleep4481ktimersoftd/409:15:554
304442490,0sleep30-21swapper/309:40:533
242372490,0sleep224212-21sshd10:21:372
166602490,0sleep60-21swapper/610:54:326
2133124724,8sleep30-21swapper/307:00:543
78552460,0sleep50-21swapper/510:16:435
293972460,0sleep00-21swapper/011:10:520
293972460,0sleep00-21swapper/011:10:520
19892460,0sleep70-21swapper/711:26:537
34332450,1sleep33427-21sshd12:17:593
291582450,2sleep52180299cyclictest10:27:485
291582450,2sleep52180299cyclictest10:27:485
315122440,0sleep60-21swapper/610:57:216
29792440,0sleep4481ktimersoftd/410:02:404
276982430,1sleep427697-21sshd10:39:334
2143424330,9sleep70-21swapper/707:02:197
211202430,0sleep00-21swapper/011:02:350
195672430,0sleep40-21swapper/411:33:554
106812430,0sleep00-21swapper/010:20:460
54872420,1sleep75486-21bash09:35:287
54872420,1sleep75486-21bash09:35:287
2158924230,9sleep10-21swapper/107:04:291
2136524230,8sleep60-21swapper/607:01:216
169622420,0sleep10-21swapper/109:42:031
164572420,0sleep70-21swapper/710:29:027
164572420,0sleep70-21swapper/710:29:027
277852410,0sleep70-21swapper/712:27:167
2147624029,8sleep40-21swapper/407:02:564
2144124029,8sleep50-21swapper/507:02:255
2142024028,8sleep20-21swapper/207:02:052
1915924028,8sleep00-21swapper/007:00:030
21777993838,0cyclictest13550irq/24-ahci[00012:22:412
39592370,0sleep20-21swapper/209:53:012
2177599379,27cyclictest0-21swapper/112:22:411
203712370,1sleep420364-21bash10:21:234
138432360,0sleep40-21swapper/410:26:514
138432360,0sleep40-21swapper/410:26:514
126292360,3sleep7721ktimersoftd/710:09:167
2181199300,30cyclictest0-21swapper/712:22:417
2178999240,23cyclictest14455-21kworker/3:612:22:413
2180499227,1cyclictest65-21ksoftirqd/611:35:396
320782200,0sleep70-21swapper/710:22:067
2180499207,1cyclictest65-21ksoftirqd/609:20:116
2180499205,2cyclictest65-21ksoftirqd/610:23:406
2180499205,1cyclictest65-21ksoftirqd/611:13:596
2180499205,1cyclictest65-21ksoftirqd/611:13:596
2180499203,3cyclictest65-21ksoftirqd/609:33:236
21804992012,5cyclictest65-21ksoftirqd/612:32:256
21804992012,5cyclictest65-21ksoftirqd/612:32:256
2180299209,0cyclictest11190-21sshd11:29:295
310402190,0sleep20-21swapper/211:56:032
21804991918,1cyclictest65-21ksoftirqd/611:07:366
21804991912,4cyclictest65-21ksoftirqd/612:25:326
246232180,0sleep00-21swapper/009:15:110
21804991815,2cyclictest65-21ksoftirqd/609:36:436
21804991815,2cyclictest65-21ksoftirqd/609:36:436
21804991815,1cyclictest65-21ksoftirqd/609:28:546
21804991814,1cyclictest65-21ksoftirqd/611:24:276
21804991813,1cyclictest65-21ksoftirqd/611:50:286
21804991812,3cyclictest65-21ksoftirqd/609:48:076
2180499181,1cyclictest121rcu_preempt11:04:256
2180499180,1cyclictest131rcu_sched10:00:256
21802991813,4cyclictest28624-21sshd10:37:355
21802991813,1cyclictest25141-21grep11:04:515
65742170,0sleep1709-21systemd-logind10:26:241
65742170,0sleep1709-21systemd-logind10:26:241
246132170,0sleep30-21swapper/312:27:043
2180499177,1cyclictest65-21ksoftirqd/610:15:146
2180499176,1cyclictest65-21ksoftirqd/610:35:416
2180499175,1cyclictest65-21ksoftirqd/610:45:156
2180499174,3cyclictest65-21ksoftirqd/612:00:176
2180499174,1cyclictest65-21ksoftirqd/609:54:066
21804991715,1cyclictest65-21ksoftirqd/609:09:496
21804991713,3cyclictest65-21ksoftirqd/611:16:036
21804991713,3cyclictest65-21ksoftirqd/610:31:396
21804991713,1cyclictest65-21ksoftirqd/612:10:166
21804991713,1cyclictest65-21ksoftirqd/611:33:226
2180299173,0cyclictest0-21swapper/508:03:395
21772991715,1cyclictest9-21ksoftirqd/009:38:430
21772991715,1cyclictest9-21ksoftirqd/009:38:430
2180499169,4cyclictest65-21ksoftirqd/611:40:306
2180499165,1cyclictest65-21ksoftirqd/612:09:316
21804991615,1cyclictest65-21ksoftirqd/609:40:156
21804991614,1cyclictest703-21nscd10:05:266
21804991614,1cyclictest65-21ksoftirqd/611:47:266
21804991614,1cyclictest65-21ksoftirqd/611:47:266
21804991614,1cyclictest65-21ksoftirqd/611:29:336
21804991614,1cyclictest65-21ksoftirqd/610:25:476
21804991614,1cyclictest65-21ksoftirqd/610:25:476
21804991612,3cyclictest65-21ksoftirqd/610:13:386
2180299162,2cyclictest0-21swapper/508:26:455
21802991614,1cyclictest57-21ksoftirqd/511:37:475
21802991611,1cyclictest26236-21sshd11:22:295
2179599160,1cyclictest131rcu_sched11:26:464
2178999160,1cyclictest0-21swapper/310:23:553
96032150,0sleep40-21swapper/410:55:594
25902150,0sleep00-21swapper/011:44:400
2180499154,3cyclictest65-21ksoftirqd/612:18:296
21804991514,1cyclictest65-21ksoftirqd/609:10:176
21804991513,1cyclictest65-21ksoftirqd/611:55:176
21804991513,1cyclictest65-21ksoftirqd/609:55:166
21795991513,1cyclictest49-21ksoftirqd/411:37:124
2178999150,10cyclictest0-21swapper/311:57:553
21811991413,1cyclictest73-21ksoftirqd/711:16:597
21804991412,1cyclictest65-21ksoftirqd/610:40:096
21804991412,1cyclictest65-21ksoftirqd/609:04:556
21802991413,1cyclictest57-21ksoftirqd/512:04:575
21802991413,1cyclictest57-21ksoftirqd/511:51:205
21802991413,1cyclictest57-21ksoftirqd/511:30:175
21802991412,1cyclictest57-21ksoftirqd/510:11:145
21802991411,2cyclictest20657-21sshd10:44:595
21802991410,1cyclictest4358-21sshd10:55:395
2180299140,3cyclictest0-21swapper/508:49:215
2180299140,0cyclictest0-21swapper/508:09:455
21795991413,1cyclictest49-21ksoftirqd/411:57:314
21795991412,1cyclictest49-21ksoftirqd/410:08:374
2178999141,9cyclictest0-21swapper/309:36:013
2178999141,9cyclictest0-21swapper/309:36:013
2177599141,12cyclictest19384-21sshd09:28:351
21772991413,1cyclictest9-21ksoftirqd/011:07:260
21772991413,1cyclictest9-21ksoftirqd/009:10:080
21772991412,1cyclictest9-21ksoftirqd/011:35:250
21772991412,1cyclictest9-21ksoftirqd/010:00:570
145562140,0sleep00-21swapper/009:20:240
117172140,0sleep51-21systemd09:33:585
31622130,1sleep53163-21grepconf.sh11:05:215
21811991312,1cyclictest73-21ksoftirqd/712:15:497
21811991312,1cyclictest73-21ksoftirqd/710:10:157
21811991312,1cyclictest73-21ksoftirqd/710:02:237
21811991312,1cyclictest73-21ksoftirqd/709:27:007
21811991311,1cyclictest73-21ksoftirqd/712:32:387
21811991311,1cyclictest73-21ksoftirqd/712:32:387
21811991311,1cyclictest73-21ksoftirqd/710:57:067
21811991311,1cyclictest73-21ksoftirqd/710:33:257
21811991311,1cyclictest73-21ksoftirqd/709:59:337
2181199130,12cyclictest7291-21kworker/7:309:24:357
21804991311,1cyclictest65-21ksoftirqd/608:19:556
2180299132,1cyclictest1844-21nfsd09:20:315
2180299132,0cyclictest0-21swapper/507:16:075
21802991312,1cyclictest57-21ksoftirqd/512:33:575
21802991312,1cyclictest57-21ksoftirqd/512:33:575
21802991311,1cyclictest57-21ksoftirqd/509:36:265
21802991311,1cyclictest57-21ksoftirqd/509:36:265
2180299130,3cyclictest0-21swapper/508:42:515
2180299130,3cyclictest0-21swapper/508:22:255
2180299130,0cyclictest0-21swapper/507:52:115
21795991311,1cyclictest49-21ksoftirqd/412:13:174
21795991311,1cyclictest49-21ksoftirqd/412:06:034
21795991311,1cyclictest49-21ksoftirqd/410:54:324
21795991311,1cyclictest49-21ksoftirqd/410:16:514
2179599130,1cyclictest131rcu_sched09:31:104
21777991312,1cyclictest33-21ksoftirqd/210:28:332
21777991312,1cyclictest33-21ksoftirqd/210:28:332
21777991310,2cyclictest14254-21id09:32:072
2177599132,5cyclictest13416-21sshd10:32:451
2177599130,1cyclictest0-21swapper/109:55:131
2177299139,1cyclictest9-21ksoftirqd/010:46:470
21772991312,1cyclictest9-21ksoftirqd/011:53:390
21772991312,1cyclictest9-21ksoftirqd/010:40:090
21772991312,1cyclictest9-21ksoftirqd/009:34:100
21772991311,1cyclictest9-21ksoftirqd/012:04:540
21772991311,1cyclictest9-21ksoftirqd/011:24:380
21772991311,1cyclictest9-21ksoftirqd/010:39:210
185532130,0sleep50-21swapper/510:05:305
129122130,0sleep20-21swapper/212:10:372
43572120,0sleep3391rcuc/311:07:273
320412120,0sleep00-21swapper/009:44:580
239622120,0sleep3721-21dbus-daemon09:11:143
222842120,0sleep50-21swapper/509:42:235
2181199129,2cyclictest8317-21bash09:08:177
21811991211,1cyclictest73-21ksoftirqd/710:41:207
21811991211,1cyclictest73-21ksoftirqd/709:45:017
21811991210,1cyclictest73-21ksoftirqd/711:40:157
21811991210,1cyclictest73-21ksoftirqd/711:00:577
21811991210,1cyclictest73-21ksoftirqd/710:49:257
21811991210,1cyclictest73-21ksoftirqd/710:39:127
2181199120,2cyclictest131rcu_sched10:53:417
2181199120,12cyclictest0-21swapper/711:54:347
2180299122,0cyclictest0-21swapper/507:21:495
21802991211,1cyclictest57-21ksoftirqd/510:44:175
21802991210,1cyclictest709-21systemd-logind10:50:095
21802991210,1cyclictest57-21ksoftirqd/509:55:005
21802991210,1cyclictest26205-21sshd11:44:075
21802991210,1cyclictest22628-21sshd09:15:075
2180299121,2cyclictest0-21swapper/508:33:315
2180299121,1cyclictest366-21jbd2/sda2-810:04:535
2180299121,1cyclictest0-21swapper/507:08:315
2180299121,0cyclictest0-21swapper/507:57:295
2180299121,0cyclictest0-21swapper/507:28:175
2180299120,5cyclictest0-21swapper/510:31:495
2180299120,3cyclictest0-21swapper/508:59:595
2180299120,11cyclictest14504-21bash12:16:395
2180299120,0cyclictest0-21swapper/508:55:215
2180299120,0cyclictest0-21swapper/508:55:215
2180299120,0cyclictest0-21swapper/508:18:535
2179599122,4cyclictest6418-21sshd10:48:004
21795991211,1cyclictest49-21ksoftirqd/412:15:494
21795991210,1cyclictest49-21ksoftirqd/411:23:104
21795991210,1cyclictest49-21ksoftirqd/411:13:004
21795991210,1cyclictest49-21ksoftirqd/411:13:004
21795991210,1cyclictest49-21ksoftirqd/411:04:544
21795991210,1cyclictest4757-21packagekitd09:20:114
21795991210,1cyclictest0-21swapper/412:01:194
2178999122,4cyclictest721-21dbus-daemon10:52:303
2178999122,4cyclictest17730-21bash11:16:033
21789991210,1cyclictest41-21ksoftirqd/311:30:233
2177799126,3cyclictest13305-21grepconf.sh11:27:362
2177799120,11cyclictest940-21kworker/2:011:50:082
21775991210,1cyclictest0-21swapper/111:35:121
2177599121,5cyclictest31044-21bash09:50:401
2177599120,12cyclictest0-21swapper/112:17:371
2177599120,12cyclictest0-21swapper/112:13:561
2177599120,12cyclictest0-21swapper/111:52:241
2177599120,11cyclictest9640-21sshd11:31:161
2177599120,11cyclictest25031-21bash12:05:281
21772991211,1cyclictest9-21ksoftirqd/010:30:540
21772991211,1cyclictest9-21ksoftirqd/010:13:000
21772991210,1cyclictest9-21ksoftirqd/012:15:550
21772991210,1cyclictest9-21ksoftirqd/012:09:550
21772991210,1cyclictest9-21ksoftirqd/011:30:030
21772991210,1cyclictest9-21ksoftirqd/011:18:170
21772991210,1cyclictest9-21ksoftirqd/009:52:020
2177299121,6cyclictest0-21swapper/009:09:440
173382120,1sleep125-21ksoftirqd/110:54:351
142522120,0sleep4481ktimersoftd/409:06:184
306452110,0sleep130640-21sshd12:25:261
303192110,0sleep10-21swapper/110:22:001
289012110,1sleep528894-21sshd09:11:325
268942110,1sleep773-21ksoftirqd/711:34:227
2181199119,1cyclictest73-21ksoftirqd/712:11:147
2181199119,1cyclictest73-21ksoftirqd/712:02:137
2181199119,1cyclictest73-21ksoftirqd/711:49:467
2181199119,1cyclictest73-21ksoftirqd/711:49:467
2181199119,1cyclictest73-21ksoftirqd/709:30:037
2181199118,2cyclictest28288-21bash11:12:507
2181199118,2cyclictest28288-21bash11:12:507
21811991110,1cyclictest73-21ksoftirqd/711:55:457
21811991110,1cyclictest73-21ksoftirqd/711:39:147
21811991110,1cyclictest73-21ksoftirqd/711:20:277
21811991110,1cyclictest73-21ksoftirqd/709:17:177
2180499119,1cyclictest65-21ksoftirqd/607:43:466
2180299119,1cyclictest57-21ksoftirqd/512:12:045
2180299119,1cyclictest57-21ksoftirqd/511:58:185
2180299119,1cyclictest57-21ksoftirqd/511:18:535
2180299119,1cyclictest57-21ksoftirqd/509:48:055
2180299119,1cyclictest57-21ksoftirqd/509:09:195
2180299113,0cyclictest0-21swapper/507:38:155
2180299112,0cyclictest0-21swapper/508:52:455
2180299112,0cyclictest0-21swapper/507:41:455
21802991110,1cyclictest57-21ksoftirqd/512:00:125
2180299110,2cyclictest0-21swapper/509:28:575
2180299110,1cyclictest0-21swapper/508:10:495
2180299110,1cyclictest0-21swapper/507:49:295
2179599119,1cyclictest49-21ksoftirqd/412:31:184
2179599119,1cyclictest49-21ksoftirqd/412:31:184
2179599119,1cyclictest49-21ksoftirqd/411:08:344
2179599119,1cyclictest49-21ksoftirqd/410:30:314
2179599119,1cyclictest49-21ksoftirqd/409:59:034
2179599119,1cyclictest49-21ksoftirqd/409:45:524
2179599119,1cyclictest18383-21sshd09:36:164
2179599119,1cyclictest18383-21sshd09:36:164
2179599119,1cyclictest0-21swapper/412:27:574
21795991110,1cyclictest49-21ksoftirqd/409:27:034
21795991110,1cyclictest49-21ksoftirqd/409:11:524
21795991110,1cyclictest0-21swapper/409:44:024
2179599110,10cyclictest18781-21kworker/4:311:50:584
2178999119,1cyclictest41-21ksoftirqd/311:45:283
2178999119,1cyclictest41-21ksoftirqd/311:45:283
2178999119,1cyclictest41-21ksoftirqd/311:23:083
2178999119,1cyclictest41-21ksoftirqd/309:46:143
2178999114,6cyclictest721-21dbus-daemon10:29:553
2178999114,6cyclictest721-21dbus-daemon10:29:553
21789991110,1cyclictest41-21ksoftirqd/309:54:573
2178999111,4cyclictest4760-21gdbus10:13:133
2178999110,5cyclictest14962-21grepconf.sh09:28:193
2178999110,10cyclictest15236-21bash10:58:203
2178999110,1cyclictest0-21swapper/311:51:363
2178999110,1cyclictest0-21swapper/310:46:113
2177799119,1cyclictest33-21ksoftirqd/211:35:262
2177799119,1cyclictest33-21ksoftirqd/211:23:562
2177799119,1cyclictest33-21ksoftirqd/210:31:352
2177799118,2cyclictest33-21ksoftirqd/211:46:402
2177799118,2cyclictest33-21ksoftirqd/211:46:402
2177799117,3cyclictest33-21ksoftirqd/211:04:032
2177799115,3cyclictest1-21systemd09:18:412
2177799113,4cyclictest5172-21id10:00:492
2177799112,6cyclictest752-21snmpd10:43:072
2177799111,6cyclictest5643-21sshd10:14:432
2177799111,3cyclictest721-21dbus-daemon10:52:022
2177799111,3cyclictest29819-21grep09:42:512
2177799110,10cyclictest3097-21sshd12:27:452
2177799110,10cyclictest0-21swapper/209:13:412
2177799110,1cyclictest0-21swapper/212:01:062
2177599119,1cyclictest25-21ksoftirqd/112:00:341
2177599119,1cyclictest25-21ksoftirqd/111:06:271
2177599119,1cyclictest23265-21sshd10:09:551
2177599113,7cyclictest27408-21grepconf.sh09:11:261
2177599112,4cyclictest0-21swapper/110:37:281
2177599111,4cyclictest29709-21sshd10:02:201
2177599110,5cyclictest23052-21grepconf.sh11:47:481
2177599110,5cyclictest23052-21grepconf.sh11:47:481
2177299119,1cyclictest9-21ksoftirqd/010:52:050
2177299119,1cyclictest9-21ksoftirqd/010:26:020
2177299119,1cyclictest9-21ksoftirqd/010:26:020
2177299119,1cyclictest9-21ksoftirqd/009:55:090
21772991110,1cyclictest9-21ksoftirqd/011:48:570
21772991110,1cyclictest9-21ksoftirqd/011:48:570
2177299110,10cyclictest16599-21bash10:56:250
2177299110,10cyclictest0-21swapper/010:16:510
177652110,1sleep317748-21bash10:01:353
121812110,0sleep70-21swapper/711:05:557
2181199108,1cyclictest73-21ksoftirqd/710:16:167
2181199108,1cyclictest73-21ksoftirqd/709:42:367
2181199108,1cyclictest73-21ksoftirqd/709:10:297
2181199100,1cyclictest721-21dbus-daemon09:52:547
2180499109,1cyclictest65-21ksoftirqd/608:34:556
2180499108,1cyclictest65-21ksoftirqd/608:24:556
2180499108,1cyclictest65-21ksoftirqd/608:14:556
2180299108,1cyclictest57-21ksoftirqd/512:25:215
2180299108,1cyclictest57-21ksoftirqd/511:48:325
2180299108,1cyclictest57-21ksoftirqd/511:48:325
2180299108,1cyclictest57-21ksoftirqd/511:13:385
2180299108,1cyclictest57-21ksoftirqd/511:13:385
2180299108,1cyclictest26591-21kworker/5:410:20:135
2180299102,1cyclictest0-21swapper/507:10:215
2180299100,3cyclictest0-21swapper/508:35:335
2180299100,10cyclictest0-21swapper/509:51:285
2180299100,0cyclictest0-21swapper/507:30:055
2179599109,1cyclictest49-21ksoftirqd/411:40:134
2179599108,1cyclictest49-21ksoftirqd/410:42:234
2179599108,1cyclictest49-21ksoftirqd/409:52:174
2179599107,2cyclictest709-21systemd-logind10:14:354
2179599104,3cyclictest0-21swapper/411:47:564
2179599104,3cyclictest0-21swapper/411:47:564
2178999109,1cyclictest41-21ksoftirqd/312:32:573
2178999109,1cyclictest41-21ksoftirqd/312:32:573
2178999109,1cyclictest0-21swapper/312:10:503
2178999108,1cyclictest41-21ksoftirqd/307:24:553
2178999101,4cyclictest1899-21sshd12:06:033
2178999100,4cyclictest0-21swapper/311:11:173
2178999100,4cyclictest0-21swapper/311:11:173
2178999100,4cyclictest0-21swapper/310:44:293
2178999100,4cyclictest0-21swapper/310:31:183
2178999100,10cyclictest0-21swapper/309:50:033
2177799109,1cyclictest0-21swapper/207:05:112
2177799108,1cyclictest33-21ksoftirqd/210:35:262
2177799107,1cyclictest33-21ksoftirqd/211:33:402
2177799105,3cyclictest27490-21bash11:42:112
2177799105,1cyclictest1-21systemd12:18:282
2177799103,4cyclictest25105-21sshd09:58:112
2177799102,7cyclictest16223-21cp11:15:582
2177799102,6cyclictest0-21swapper/212:32:592
2177799102,6cyclictest0-21swapper/212:32:592
2177799102,4cyclictest26405-21grep10:15:522
2177799102,4cyclictest1831-21bash09:25:292
2177799100,10cyclictest0-21swapper/210:47:002
2177599109,1cyclictest25-21ksoftirqd/111:40:361
2177599108,1cyclictest25-21ksoftirqd/111:10:131
2177599108,1cyclictest25-21ksoftirqd/111:10:131
2177599102,4cyclictest17674-21sshd10:44:491
2177599100,4cyclictest721-21dbus-daemon10:45:211
2177599100,4cyclictest13152-21sshd09:49:421
2177599100,4cyclictest0-21swapper/109:05:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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