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2026-08-16 - 22:21
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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 Sun Aug 16, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
261452970,1sleep7721ktimersoftd/710:41:287
261452970,1sleep7721ktimersoftd/710:41:287
84982850,1sleep78497-21bash11:09:317
19642710,1sleep665-21ksoftirqd/610:36:306
2825425645,8sleep50-21swapper/507:04:575
245342540,0sleep20-21swapper/211:28:322
21982540,0sleep20-21swapper/212:18:142
301772510,7sleep09-21ksoftirqd/011:56:090
58412500,1sleep40-21swapper/411:54:534
52982490,1sleep75299-21sshd11:43:517
2583424925,8sleep00-21swapper/007:00:430
170522480,0sleep40-21swapper/408:35:594
314792470,0sleep131035-21sshd10:21:511
104252470,0sleep20-21swapper/210:58:452
309312460,0sleep30-21swapper/309:33:083
285092460,0sleep20-21swapper/209:20:252
264102460,0sleep00-21swapper/011:48:400
189732460,0sleep20-21swapper/209:32:262
164932450,0sleep0721-21dbus-daemon09:34:090
30952440,1sleep13096-21sshd12:27:181
2820524432,9sleep10-21swapper/107:04:121
2800124423,4sleep70-21swapper/707:01:307
257772430,0sleep40-21swapper/411:55:574
230642430,1sleep233-21ksoftirqd/210:48:352
74312420,0sleep70-21swapper/710:18:457
2811024230,9sleep40-21swapper/407:03:034
76572410,1sleep09-21ksoftirqd/010:00:440
301152410,0sleep50-21swapper/511:43:255
2814824130,8sleep20-21swapper/207:03:332
226762410,0sleep60-21swapper/611:19:236
135072410,1sleep613508-21sshd09:08:366
2797924028,8sleep30-21swapper/307:01:103
163522400,0sleep50-21swapper/511:29:555
105452400,0sleep60-21swapper/609:17:336
36472390,0sleep50-21swapper/509:58:415
2814323926,9sleep60-21swapper/607:03:296
276972390,0sleep00-21swapper/009:47:220
273782390,0sleep30-21swapper/312:05:093
45092380,0sleep7711rcuc/711:56:327
120182380,1sleep612020-21latency_hist12:00:406
102242380,0sleep10-21swapper/112:00:351
274372360,0sleep00-21swapper/011:10:360
239132350,0sleep70-21swapper/709:27:197
55642320,0sleep60-21swapper/610:47:356
275722320,0sleep10-21swapper/112:21:251
295882230,1sleep51-21systemd09:34:545
2848499239,2cyclictest25-21ksoftirqd/110:53:001
129612220,0sleep10-21swapper/112:09:481
316622210,1sleep773-21ksoftirqd/712:21:397
2848499219,1cyclictest25-21ksoftirqd/112:12:441
2848499217,1cyclictest25-21ksoftirqd/112:05:241
28483992113,3cyclictest9-21ksoftirqd/012:25:500
2848499208,1cyclictest25-21ksoftirqd/109:28:321
28484992012,1cyclictest25-21ksoftirqd/109:58:221
28484992010,2cyclictest25-21ksoftirqd/111:19:471
2848499201,2cyclictest25-21ksoftirqd/110:49:261
2848499200,3cyclictest0-21swapper/111:25:331
2848899190,17cyclictest0-21swapper/512:33:045
2848899190,17cyclictest0-21swapper/512:33:045
2848799190,18cyclictest22139-21kworker/4:210:32:284
28484991913,3cyclictest25-21ksoftirqd/112:18:101
2848499191,4cyclictest0-21swapper/111:39:031
2848499191,3cyclictest25-21ksoftirqd/111:28:321
2848499191,2cyclictest0-21swapper/110:04:211
2848499191,1cyclictest25-21ksoftirqd/111:32:521
2848499191,1cyclictest25-21ksoftirqd/109:50:591
2848499190,1cyclictest0-21swapper/110:10:511
130692190,1sleep5721-21dbus-daemon10:11:465
2848899180,2cyclictest1-21systemd09:41:285
2848499187,4cyclictest25-21ksoftirqd/109:24:261
2848499186,2cyclictest25-21ksoftirqd/110:29:481
2848499186,1cyclictest25-21ksoftirqd/109:09:511
2848499182,3cyclictest0-21swapper/110:16:561
28484991813,2cyclictest25-21ksoftirqd/111:01:541
28484991810,3cyclictest25-21ksoftirqd/109:14:161
2848499181,3cyclictest25-21ksoftirqd/109:46:261
2848499181,2cyclictest0-21swapper/111:48:551
2848499181,1cyclictest25-21ksoftirqd/110:55:531
28483991813,3cyclictest9-21ksoftirqd/009:24:160
2848399180,1cyclictest131rcu_sched10:23:320
105682180,1sleep510562-21sshd10:33:255
28488991712,4cyclictest3137-21sshd09:53:145
2848899170,7cyclictest15369-21systemd-cgroups12:06:125
28486991715,1cyclictest41-21ksoftirqd/311:30:543
28485991716,1cyclictest33-21ksoftirqd/210:41:362
28485991716,1cyclictest33-21ksoftirqd/210:41:362
2848499178,3cyclictest25-21ksoftirqd/109:44:441
2848499177,2cyclictest25-21ksoftirqd/109:34:211
2848499176,1cyclictest25-21ksoftirqd/112:30:451
2848499176,1cyclictest25-21ksoftirqd/112:30:451
2848499175,3cyclictest25-21ksoftirqd/111:53:431
2848499171,3cyclictest25-21ksoftirqd/111:11:091
2848499171,1cyclictest25-21ksoftirqd/111:07:181
2848499171,1cyclictest0-21swapper/110:33:171
2848499170,2cyclictest0-21swapper/111:41:161
2848499170,1cyclictest0-21swapper/110:36:171
2848499170,1cyclictest0-21swapper/110:07:351
28483991716,1cyclictest9-21ksoftirqd/009:30:400
28483991715,1cyclictest9-21ksoftirqd/010:40:410
28483991715,1cyclictest9-21ksoftirqd/010:40:410
28483991715,1cyclictest9-21ksoftirqd/010:18:050
28483991714,1cyclictest9-21ksoftirqd/012:20:390
2848399170,16cyclictest22742-21kworker/0:210:26:060
2848399170,16cyclictest19439-21kworker/0:609:53:350
195412170,0sleep30-21swapper/309:19:543
2848899167,1cyclictest721-21dbus-daemon10:05:485
2848899160,3cyclictest0-21swapper/510:48:125
28487991615,1cyclictest49-21ksoftirqd/410:17:024
28487991614,1cyclictest49-21ksoftirqd/410:53:314
28485991614,1cyclictest33-21ksoftirqd/210:26:262
28485991614,1cyclictest33-21ksoftirqd/209:27:002
28485991614,1cyclictest33-21ksoftirqd/209:07:242
28485991610,3cyclictest33-21ksoftirqd/210:07:012
2848499166,2cyclictest25-21ksoftirqd/109:16:181
28483991615,1cyclictest9-21ksoftirqd/010:54:200
28483991615,1cyclictest9-21ksoftirqd/010:39:220
28483991615,1cyclictest9-21ksoftirqd/010:10:490
28483991614,2cyclictest9-21ksoftirqd/011:38:010
28483991614,2cyclictest9-21ksoftirqd/010:05:580
28483991614,1cyclictest9-21ksoftirqd/011:30:500
28483991614,1cyclictest9-21ksoftirqd/011:16:000
28483991614,1cyclictest9-21ksoftirqd/011:00:570
28483991614,1cyclictest22687-21systemd12:04:530
28483991613,2cyclictest9-21ksoftirqd/009:17:260
28483991612,4cyclictest9-21ksoftirqd/011:25:530
2848399161,3cyclictest131rcu_sched09:15:080
238472160,0sleep7721-21dbus-daemon09:30:557
95292150,1sleep79511-21bash12:27:407
2849099157,7cyclictest4660-21sshd12:09:197
2849099150,14cyclictest4142-21bash11:49:167
2848899159,5cyclictest28445-21sshd11:12:245
2848899153,2cyclictest721-21dbus-daemon11:04:285
28488991512,2cyclictest24393-21sshd11:21:125
28488991511,1cyclictest57-21ksoftirqd/512:05:285
2848899151,1cyclictest21512-21kworker/u16:009:08:135
2848899150,4cyclictest0-21swapper/511:32:245
2848899150,3cyclictest0-21swapper/511:57:365
2848899150,3cyclictest0-21swapper/510:55:165
2848899150,2cyclictest31308-21grepconf.sh09:47:345
2848899150,1cyclictest709-21systemd-logind10:17:185
28487991513,1cyclictest49-21ksoftirqd/412:28:004
28487991512,2cyclictest857-21polkitd10:37:444
28486991510,4cyclictest15441-21sshd10:08:203
28485991514,1cyclictest33-21ksoftirqd/211:51:452
28485991513,1cyclictest33-21ksoftirqd/211:06:152
28485991513,1cyclictest33-21ksoftirqd/211:03:252
28485991513,1cyclictest33-21ksoftirqd/210:33:002
28485991513,1cyclictest33-21ksoftirqd/209:58:192
28485991513,1cyclictest33-21ksoftirqd/209:48:292
28485991513,1cyclictest33-21ksoftirqd/209:43:372
28485991512,2cyclictest33-21ksoftirqd/211:30:472
28485991512,2cyclictest33-21ksoftirqd/210:04:072
28485991512,2cyclictest33-21ksoftirqd/209:35:552
28485991512,2cyclictest30257-21sshd10:10:572
2848599150,1cyclictest0-21swapper/211:45:162
28484991513,1cyclictest25-21ksoftirqd/109:37:001
2848499151,1cyclictest0-21swapper/110:42:071
2848499151,1cyclictest0-21swapper/110:42:071
28483991514,1cyclictest9-21ksoftirqd/012:06:450
28483991514,1cyclictest9-21ksoftirqd/011:54:040
28483991514,1cyclictest9-21ksoftirqd/011:42:260
28483991514,1cyclictest9-21ksoftirqd/011:24:510
28483991514,1cyclictest9-21ksoftirqd/010:45:550
28483991513,1cyclictest9-21ksoftirqd/012:32:160
28483991513,1cyclictest9-21ksoftirqd/012:32:160
28483991513,1cyclictest9-21ksoftirqd/012:22:460
28483991513,1cyclictest9-21ksoftirqd/011:10:530
28483991513,1cyclictest9-21ksoftirqd/010:56:530
28483991513,1cyclictest9-21ksoftirqd/009:35:410
2848399150,14cyclictest527-21kworker/0:309:06:190
237912150,0sleep70-21swapper/710:03:237
146592150,0sleep40-21swapper/409:43:024
134262150,0sleep40-21swapper/409:15:554
92632140,1sleep79236-21bash10:36:557
73952140,0sleep47393-21sshd11:03:594
296972140,0sleep50-21swapper/510:57:595
2849099149,4cyclictest73-21ksoftirqd/710:32:147
2848899143,5cyclictest27199-21cp12:15:585
2848899143,2cyclictest0-21swapper/511:54:245
2848899143,0cyclictest0-21swapper/512:21:365
2848899142,3cyclictest0-21swapper/509:10:555
2848899141,1cyclictest24591-21df_inode08:50:535
2848899140,2cyclictest0-21swapper/509:17:015
2848899140,1cyclictest13089-21grepconf.sh10:26:165
2848899140,0cyclictest0-21swapper/509:26:245
28486991413,1cyclictest41-21ksoftirqd/312:11:063
28486991413,1cyclictest41-21ksoftirqd/311:20:323
28486991412,1cyclictest41-21ksoftirqd/309:26:533
2848599149,1cyclictest33-21ksoftirqd/212:06:322
2848599148,5cyclictest33-21ksoftirqd/212:03:022
28485991413,1cyclictest33-21ksoftirqd/211:23:402
28485991412,2cyclictest33-21ksoftirqd/212:30:312
28485991412,2cyclictest33-21ksoftirqd/212:13:012
28485991412,1cyclictest33-21ksoftirqd/211:55:562
28485991412,1cyclictest33-21ksoftirqd/211:37:272
28485991412,1cyclictest33-21ksoftirqd/210:38:182
28485991412,1cyclictest33-21ksoftirqd/210:17:292
28485991412,1cyclictest33-21ksoftirqd/209:20:562
28485991412,1cyclictest33-21ksoftirqd/209:10:432
28485991410,2cyclictest33-21ksoftirqd/209:51:002
28485991410,1cyclictest33-21ksoftirqd/212:22:262
2848599140,2cyclictest131rcu_sched12:32:412
2848599140,2cyclictest131rcu_sched12:32:412
2848599140,2cyclictest131rcu_sched10:51:022
2848599140,14cyclictest360-21kworker/2:410:22:272
28483991413,1cyclictest9-21ksoftirqd/012:11:050
28483991412,1cyclictest9-21ksoftirqd/010:31:410
28483991412,1cyclictest9-21ksoftirqd/009:55:570
28483991412,1cyclictest9-21ksoftirqd/009:41:560
268862148,3sleep665-21ksoftirqd/609:58:106
126632140,0sleep40-21swapper/409:46:304
28490991311,1cyclictest73-21ksoftirqd/709:44:227
2849099131,11cyclictest17234-21sshd09:48:377
2848999133,4cyclictest736-21gdbus10:25:506
2848999133,4cyclictest30548-21sshd11:10:456
2848999132,5cyclictest799-21bash12:25:276
28489991312,1cyclictest0-21swapper/612:11:426
2848999130,2cyclictest5012-21sshd11:54:506
2848899133,1cyclictest1-21systemd10:40:505
2848899133,1cyclictest1-21systemd10:40:505
2848899132,1cyclictest21671-21grep11:39:185
2848899132,0cyclictest0-21swapper/509:38:125
28488991311,1cyclictest57-21ksoftirqd/512:11:065
2848899130,4cyclictest11405-21sshd11:05:585
2848899130,3cyclictest0-21swapper/507:58:275
2848899130,3cyclictest0-21swapper/507:44:115
2848899130,10cyclictest0-21swapper/508:16:275
2848899130,1cyclictest23069-21grep10:37:425
2848899130,1cyclictest0-21swapper/510:03:085
2848899130,0cyclictest0-21swapper/511:18:465
2848799139,1cyclictest49-21ksoftirqd/411:25:064
28487991312,1cyclictest49-21ksoftirqd/409:36:114
28487991311,1cyclictest49-21ksoftirqd/412:32:344
28487991311,1cyclictest49-21ksoftirqd/412:32:344
28487991311,1cyclictest49-21ksoftirqd/411:19:034
28487991311,1cyclictest49-21ksoftirqd/409:14:534
2848799131,1cyclictest131rcu_sched11:32:074
2848799130,12cyclictest4806-21id11:43:494
28486991312,1cyclictest41-21ksoftirqd/311:11:163
28486991312,1cyclictest41-21ksoftirqd/311:02:573
28486991312,1cyclictest41-21ksoftirqd/310:15:273
28486991311,1cyclictest41-21ksoftirqd/312:32:453
28486991311,1cyclictest41-21ksoftirqd/312:32:453
28486991311,1cyclictest41-21ksoftirqd/312:21:443
28486991311,1cyclictest41-21ksoftirqd/311:40:433
28486991311,1cyclictest41-21ksoftirqd/310:50:253
28486991311,1cyclictest41-21ksoftirqd/310:29:393
28486991311,1cyclictest41-21ksoftirqd/309:54:263
28486991311,1cyclictest41-21ksoftirqd/309:20:513
28486991311,1cyclictest18337-21sshd10:17:323
28485991311,1cyclictest33-21ksoftirqd/211:45:462
2848599131,1cyclictest131rcu_sched11:15:392
2848599130,1cyclictest131rcu_sched11:16:192
252192130,1sleep625217-21bash09:11:086
97162120,1sleep79692-21bash10:15:167
2849099122,4cyclictest22828-21sshd12:32:017
2849099122,4cyclictest22828-21sshd12:32:017
2849099122,4cyclictest17132-21sshd10:46:247
2849099122,4cyclictest0-21swapper/711:02:527
28490991210,1cyclictest73-21ksoftirqd/712:05:227
28490991210,1cyclictest73-21ksoftirqd/711:27:387
28490991210,1cyclictest0-21swapper/711:21:007
2849099121,4cyclictest14044-21sshd09:55:417
2848999124,2cyclictest709-21systemd-logind09:23:216
2848999122,4cyclictest26558-21sshd09:40:086
2848999122,4cyclictest22667-21sshd11:39:226
2848999122,4cyclictest19538-21bash10:05:006
2848999122,4cyclictest19476-21sshd11:08:176
2848999122,4cyclictest18468-21sshd12:08:156
2848999122,4cyclictest1-21systemd11:32:166
2848999122,4cyclictest0-21swapper/612:30:266
28489991211,1cyclictest65-21ksoftirqd/612:18:336
28489991210,1cyclictest65-21ksoftirqd/609:46:446
2848999121,5cyclictest23841-21sshd11:01:136
2848999121,5cyclictest21301-21bash09:50:416
2848899129,2cyclictest22581-21systemd09:21:485
2848899123,6cyclictest0-21swapper/508:47:335
2848899121,2cyclictest0-21swapper/511:50:085
2848899121,2cyclictest0-21swapper/507:07:075
2848899121,0cyclictest20819-21systemd-cgroups10:21:145
2848899121,0cyclictest0-21swapper/508:22:355
2848899120,9cyclictest0-21swapper/508:34:315
2848899120,3cyclictest0-21swapper/512:26:465
2848899120,3cyclictest0-21swapper/508:58:135
2848899120,3cyclictest0-21swapper/508:11:355
2848899120,3cyclictest0-21swapper/507:23:035
2848899120,3cyclictest0-21swapper/507:10:535
2848899120,0cyclictest0-21swapper/508:37:355
2848899120,0cyclictest0-21swapper/507:16:175
2848799129,3cyclictest49-21ksoftirqd/409:57:144
2848799128,1cyclictest49-21ksoftirqd/411:26:234
28487991211,1cyclictest49-21ksoftirqd/412:19:214
28487991211,1cyclictest49-21ksoftirqd/410:30:394
28487991210,1cyclictest49-21ksoftirqd/412:09:044
28487991210,1cyclictest49-21ksoftirqd/410:41:004
28487991210,1cyclictest49-21ksoftirqd/410:41:004
28487991210,1cyclictest49-21ksoftirqd/410:13:584
28487991210,1cyclictest49-21ksoftirqd/410:04:384
28487991210,1cyclictest49-21ksoftirqd/409:33:244
2848799120,11cyclictest11859-21grepconf.sh09:51:534
2848799120,11cyclictest0-21swapper/412:00:414
2848699127,2cyclictest41-21ksoftirqd/311:46:093
28486991211,1cyclictest41-21ksoftirqd/311:00:183
28486991211,1cyclictest41-21ksoftirqd/310:36:003
28486991211,1cyclictest41-21ksoftirqd/309:45:193
28486991210,1cyclictest41-21ksoftirqd/312:05:483
28486991210,1cyclictest41-21ksoftirqd/311:38:553
28486991210,1cyclictest41-21ksoftirqd/311:10:243
28486991210,1cyclictest41-21ksoftirqd/310:20:573
28486991210,1cyclictest41-21ksoftirqd/309:58:133
28486991210,1cyclictest0-21swapper/309:13:463
2848499120,1cyclictest0-21swapper/108:35:401
223442120,0sleep50-21swapper/507:50:525
131012120,0sleep30-21swapper/311:20:403
2849099119,1cyclictest73-21ksoftirqd/711:11:427
2849099119,1cyclictest32318-21ps08:06:007
2849099119,1cyclictest14713-21sshd10:06:267
2849099118,2cyclictest73-21ksoftirqd/708:25:397
2849099116,3cyclictest73-21ksoftirqd/709:38:247
28490991110,1cyclictest73-21ksoftirqd/710:57:507
2849099111,4cyclictest30698-21sshd10:52:367
2849099111,4cyclictest0-21swapper/710:22:467
2849099110,11cyclictest28575-21kworker/7:109:25:337
2849099110,11cyclictest22336-21kworker/7:011:32:467
2849099110,10cyclictest0-21swapper/709:10:007
2849099110,1cyclictest14635-21systemd-cgroups11:17:047
2848999119,1cyclictest65-21ksoftirqd/609:40:546
2848999114,6cyclictest29194-21grepconf.sh12:01:326
2848999113,4cyclictest19167-21sshd10:57:236
2848999112,6cyclictest859-21gdbus10:20:516
2848999112,4cyclictest85150irq/25-em1-rx-011:25:486
2848999111,4cyclictest6823-21sshd11:22:046
2848999111,4cyclictest24783-21sshd10:34:136
2848999111,4cyclictest19114-21sshd10:51:566
2848999111,4cyclictest14773-21sshd11:48:006
2848999111,4cyclictest0-21swapper/609:32:506
2848999110,5cyclictest10753-21sshd10:06:136
2848899110,3cyclictest0-21swapper/508:00:515
2848899110,2cyclictest0-21swapper/508:43:575
2848899110,2cyclictest0-21swapper/508:06:035
2848899110,0cyclictest0-21swapper/507:45:515
2848899110,0cyclictest0-21swapper/507:45:515
2848799119,1cyclictest49-21ksoftirqd/412:13:584
2848799119,1cyclictest49-21ksoftirqd/410:55:424
2848799119,1cyclictest49-21ksoftirqd/409:30:404
2848799119,1cyclictest49-21ksoftirqd/409:08:054
2848799119,1cyclictest1-21systemd09:22:054
2848799114,4cyclictest14731-21systemd11:11:364
28487991110,1cyclictest49-21ksoftirqd/411:40:214
2848799110,10cyclictest30762-21kworker/4:110:20:594
2848699119,1cyclictest41-21ksoftirqd/312:25:503
2848699119,1cyclictest41-21ksoftirqd/312:15:533
2848699119,1cyclictest41-21ksoftirqd/311:59:523
2848699119,1cyclictest41-21ksoftirqd/311:52:023
2848699119,1cyclictest41-21ksoftirqd/310:04:073
28486991110,1cyclictest41-21ksoftirqd/310:51:563
2848699110,5cyclictest22018-21sshd10:44:563
2848699110,5cyclictest22018-21sshd10:44:563
2848699110,10cyclictest32570-21kworker/3:109:05:403
2848499115,4cyclictest25-21ksoftirqd/107:10:591
2848499114,3cyclictest25-21ksoftirqd/108:51:021
2848499114,1cyclictest25-21ksoftirqd/108:11:021
2848499111,3cyclictest25-21ksoftirqd/109:01:001
230092110,1sleep723001-21sshd09:20:067
2849099103,6cyclictest9780-21sshd11:36:457
2849099103,6cyclictest709-21systemd-logind12:11:347
2849099103,6cyclictest3534-21systemd10:27:367
2849099100,4cyclictest3937-21sshd09:11:467
2849099100,4cyclictest2241-21cut11:50:577
2849099100,4cyclictest15509-21sshd09:52:067
2849099100,4cyclictest11628-21grepconf.sh12:16:557
2848999103,1cyclictest928-21sshd11:43:366
2848999100,4cyclictest2722-21sshd12:34:356
2848999100,4cyclictest2722-21sshd12:34:356
2848999100,4cyclictest24636-21sshd10:17:536
2848999100,4cyclictest17959-21systemd-cgroups09:26:586
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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