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2026-07-13 - 07:10
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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 Mon Jul 13, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319639916928,124cyclictest17362-21grepconf.sh23:42:106
319639916928,124cyclictest17362-21grepconf.sh23:42:106
761721160,0sleep50-21swapper/523:54:325
204322560,0sleep00-21swapper/021:46:440
63252540,1sleep56327-21bash22:09:405
166572530,1sleep116639-21sshd21:26:271
3028025236,11sleep00-21swapper/019:02:130
253002520,1sleep725296-21systemd22:08:547
31946995030,20cyclictest4005-21kworker/u16:323:42:113
31946995030,20cyclictest4005-21kworker/u16:323:42:113
77022490,1sleep27568-21sshd22:46:372
217282490,0sleep621729-21systemd-cgroups21:55:556
124312490,1sleep712432-21sshd22:41:227
265822480,0sleep20-21swapper/221:10:342
247062480,0sleep40-21swapper/423:11:224
85062470,0sleep20-21swapper/223:10:242
240982470,1sleep11-21systemd00:28:321
40162460,0sleep00-21swapper/022:13:110
39892460,0sleep30-21swapper/322:20:433
223982460,0sleep5551rcuc/522:05:085
120162460,1sleep41-21systemd00:09:294
320282450,0sleep61-21systemd23:59:386
75992440,0sleep00-21swapper/023:17:430
53722440,0sleep70-21swapper/723:34:087
45532440,0sleep30-21swapper/321:40:153
318072440,1sleep11844-21nfsd00:10:381
313262440,0sleep30-21swapper/322:25:563
31928994321,22cyclictest0-21swapper/023:42:110
31928994321,22cyclictest0-21swapper/023:42:110
130662430,1sleep3391rcuc/322:15:393
316112420,2sleep43195199cyclictest21:23:344
312712420,0sleep50-21swapper/521:18:065
267662420,1sleep126738-21sshd23:33:301
167972420,0sleep50-21swapper/521:07:415
157892420,0sleep20-21swapper/222:37:482
50442410,0sleep25046-21systemd-cgroups00:05:272
3174524122,15sleep60-21swapper/619:06:126
315242410,0sleep50-21swapper/500:36:215
307612410,0sleep20-21swapper/221:12:342
28992410,0sleep10-21swapper/121:08:571
175002410,0sleep20-21swapper/221:28:122
3171824029,8sleep10-21swapper/119:05:511
3160124027,9sleep50-21swapper/519:04:115
3151924027,9sleep40-21swapper/419:03:054
309072400,1sleep730905-21sshd21:08:397
168552400,0sleep20-21swapper/222:10:172
123532400,0sleep30-21swapper/300:05:523
31941993938,1cyclictest27011-21kworker/2:523:42:102
31941993938,1cyclictest27011-21kworker/2:523:42:102
3173323927,8sleep70-21swapper/719:06:057
3153123928,8sleep30-21swapper/319:03:123
256092390,0sleep10-21swapper/121:14:101
188012390,0sleep60-21swapper/623:09:086
2932223825,9sleep20-21swapper/219:01:592
3197199297,21cyclictest0-21swapper/723:42:107
3197199297,21cyclictest0-21swapper/723:42:107
121642270,0sleep10-21swapper/121:31:401
31951992422,1cyclictest4005-21kworker/u16:323:42:114
31951992422,1cyclictest4005-21kworker/u16:323:42:114
3196399215,1cyclictest65-21ksoftirqd/621:50:206
31928992114,4cyclictest9-21ksoftirqd/021:23:540
31963992013,5cyclictest65-21ksoftirqd/622:16:476
31951992017,2cyclictest49-21ksoftirqd/422:07:084
3193499200,20cyclictest13401-21kworker/1:023:42:101
3193499200,20cyclictest13401-21kworker/1:023:42:101
31928992015,4cyclictest9-21ksoftirqd/022:42:100
157292200,0sleep10-21swapper/121:57:191
3192899190,4cyclictest857-21polkitd23:51:220
87982180,1sleep48800-21grepconf.sh22:59:294
86462180,1sleep28593-21sshd23:32:272
31963991817,1cyclictest65-21ksoftirqd/621:45:556
31963991814,1cyclictest65-21ksoftirqd/623:34:116
31963991814,1cyclictest65-21ksoftirqd/621:57:466
31963991814,1cyclictest464-21systemd-journal22:54:066
31963991813,4cyclictest464-21systemd-journal00:03:086
3196399181,1cyclictest65-21ksoftirqd/622:08:576
3196399180,3cyclictest65-21ksoftirqd/622:43:146
31928991816,1cyclictest9-21ksoftirqd/023:12:190
31928991815,3cyclictest9-21ksoftirqd/021:16:500
31928991815,1cyclictest9-21ksoftirqd/021:09:220
31928991814,3cyclictest9-21ksoftirqd/000:36:370
31928991813,3cyclictest9-21ksoftirqd/021:57:450
31928991811,4cyclictest9-21ksoftirqd/022:20:590
3192899181,2cyclictest9-21ksoftirqd/022:39:010
3192899180,17cyclictest9651-21kworker/0:400:28:370
70252170,0sleep50-21swapper/523:14:045
3196399175,3cyclictest65-21ksoftirqd/622:50:476
3196399175,3cyclictest65-21ksoftirqd/622:50:476
3196399175,1cyclictest65-21ksoftirqd/622:19:036
3196399173,1cyclictest65-21ksoftirqd/600:36:226
31963991716,1cyclictest65-21ksoftirqd/622:30:346
31963991715,1cyclictest65-21ksoftirqd/623:53:006
31963991715,1cyclictest65-21ksoftirqd/623:41:316
31963991715,1cyclictest65-21ksoftirqd/622:02:506
31963991715,1cyclictest65-21ksoftirqd/621:30:426
31963991715,1cyclictest65-21ksoftirqd/600:14:526
31963991715,1cyclictest65-21ksoftirqd/600:08:096
31963991714,1cyclictest65-21ksoftirqd/623:24:256
31963991713,1cyclictest65-21ksoftirqd/623:02:556
31963991713,1cyclictest65-21ksoftirqd/621:25:216
3196399170,1cyclictest3713-21sshd23:30:266
3195499176,10cyclictest17098-21tr23:42:105
3195499176,10cyclictest17098-21tr23:42:105
31954991713,3cyclictest57-21ksoftirqd/523:41:175
31928991716,1cyclictest9-21ksoftirqd/023:04:360
31928991716,1cyclictest9-21ksoftirqd/021:27:180
31928991715,1cyclictest9-21ksoftirqd/023:36:110
31928991715,1cyclictest9-21ksoftirqd/022:59:480
31928991715,1cyclictest9-21ksoftirqd/022:50:350
31928991715,1cyclictest9-21ksoftirqd/022:50:350
31928991715,1cyclictest9-21ksoftirqd/021:52:270
31928991715,1cyclictest9-21ksoftirqd/000:21:540
31928991715,1cyclictest9-21ksoftirqd/000:10:410
31928991714,1cyclictest9-21ksoftirqd/021:47:450
31928991713,3cyclictest9-21ksoftirqd/023:57:210
31928991711,1cyclictest9-21ksoftirqd/023:08:170
217632170,0sleep50-21swapper/500:22:525
178832170,0sleep00-21swapper/022:54:280
123192170,0sleep60-21swapper/600:26:056
78002160,1sleep1758-21runrttasks21:35:001
31963991615,1cyclictest65-21ksoftirqd/623:47:246
31963991614,1cyclictest65-21ksoftirqd/623:21:376
31963991614,1cyclictest65-21ksoftirqd/622:58:376
31963991614,1cyclictest65-21ksoftirqd/622:37:136
31963991614,1cyclictest65-21ksoftirqd/621:32:236
31963991614,1cyclictest65-21ksoftirqd/621:11:496
31963991613,2cyclictest24285-21cp21:17:426
31963991612,1cyclictest65-21ksoftirqd/623:16:416
3196399161,1cyclictest131rcu_sched21:38:126
3194199160,11cyclictest28185-21bash23:04:132
31928991614,2cyclictest9-21ksoftirqd/022:11:140
31928991614,1cyclictest9-21ksoftirqd/023:22:100
31928991614,1cyclictest9-21ksoftirqd/022:33:370
31928991614,1cyclictest9-21ksoftirqd/022:30:190
31928991614,1cyclictest9-21ksoftirqd/021:37:200
31928991614,1cyclictest9-21ksoftirqd/021:32:100
31928991614,1cyclictest9-21ksoftirqd/021:17:080
31928991614,1cyclictest9-21ksoftirqd/000:02:490
31928991614,1cyclictest111rcuc/022:02:040
31928991613,2cyclictest9-21ksoftirqd/000:15:360
224672160,0sleep50-21swapper/522:47:205
224672160,0sleep50-21swapper/522:47:205
137442160,0sleep40-21swapper/421:17:094
33052150,0sleep40-21swapper/422:33:264
31963991514,1cyclictest65-21ksoftirqd/600:31:046
31963991513,1cyclictest65-21ksoftirqd/622:32:036
31963991513,1cyclictest65-21ksoftirqd/621:11:586
31963991513,1cyclictest65-21ksoftirqd/600:20:166
3196399151,1cyclictest131rcu_sched22:25:276
3195499151,3cyclictest1-21systemd00:19:325
31951991514,1cyclictest49-21ksoftirqd/422:13:024
3194199159,5cyclictest10415-21sshd23:23:272
3194199150,10cyclictest0-21swapper/200:19:442
31928991514,1cyclictest9-21ksoftirqd/023:56:130
31928991514,1cyclictest9-21ksoftirqd/022:24:390
31928991514,1cyclictest9-21ksoftirqd/000:22:130
31928991513,2cyclictest9-21ksoftirqd/020:06:560
31928991513,1cyclictest9-21ksoftirqd/023:37:100
31971991413,1cyclictest73-21ksoftirqd/721:22:137
3195499149,4cyclictest57-21ksoftirqd/523:57:065
3195499142,6cyclictest12032-21sshd22:45:005
3195499142,11cyclictest0-21swapper/522:56:035
31951991413,1cyclictest49-21ksoftirqd/422:02:084
31951991412,1cyclictest49-21ksoftirqd/423:59:324
31951991412,1cyclictest49-21ksoftirqd/422:22:014
31951991412,1cyclictest49-21ksoftirqd/400:17:214
31951991410,1cyclictest49-21ksoftirqd/422:29:214
31946991412,1cyclictest41-21ksoftirqd/300:22:233
31934991412,1cyclictest25-21ksoftirqd/122:41:041
31928991411,2cyclictest9-21ksoftirqd/023:27:030
266352140,0sleep20-21swapper/221:34:132
147152140,0sleep30-21swapper/321:19:003
85662130,0sleep30-21swapper/323:01:203
34672130,1sleep73466-21systemd-cgroups00:10:527
3197199134,4cyclictest7765-21sshd22:20:577
3197199132,5cyclictest23831-21sshd23:59:097
31971991311,1cyclictest2467-21sshd23:19:187
3195199139,1cyclictest49-21ksoftirqd/400:29:514
3195199133,4cyclictest721-21dbus-daemon21:41:324
31951991312,1cyclictest49-21ksoftirqd/423:34:314
31951991312,1cyclictest49-21ksoftirqd/421:45:194
31951991311,1cyclictest49-21ksoftirqd/423:26:444
31951991311,1cyclictest49-21ksoftirqd/423:17:164
31951991311,1cyclictest49-21ksoftirqd/421:57:484
31951991311,1cyclictest49-21ksoftirqd/421:54:234
31951991311,1cyclictest49-21ksoftirqd/421:46:584
31951991311,1cyclictest49-21ksoftirqd/421:11:464
31951991311,1cyclictest49-21ksoftirqd/400:34:244
31951991311,1cyclictest49-21ksoftirqd/400:12:234
31951991310,2cyclictest1507-21grepconf.sh22:46:164
3195199130,12cyclictest12542-21kworker/4:121:32:084
3195199130,1cyclictest131rcu_sched22:47:284
3195199130,1cyclictest131rcu_sched22:47:284
3194199139,4cyclictest0-21swapper/222:52:522
3194199136,6cyclictest12377-21grepconf.sh22:22:562
3194199134,8cyclictest9376-21grepconf.sh21:22:172
3194199134,2cyclictest21611-21systemd21:46:492
3194199134,2cyclictest18601-21sshd23:14:442
262662130,1sleep226247-21bash22:01:442
3197199126,2cyclictest721-21dbus-daemon23:08:377
3197199122,4cyclictest9285-21sshd22:42:577
3197199122,4cyclictest29615-21sshd22:22:097
3197199122,4cyclictest15548-21sshd22:02:517
31971991210,1cyclictest73-21ksoftirqd/721:49:177
3197199120,2cyclictest29021-21sshd23:04:167
3197199120,11cyclictest9185-21kworker/7:000:20:127
3197199120,11cyclictest7341-21kworker/7:223:31:287
3197199120,11cyclictest29561-21kworker/7:122:15:497
3197199120,11cyclictest10800-21kworker/7:421:40:097
3197199120,11cyclictest10457-21kworker/7:123:15:447
3197199120,11cyclictest10076-21kworker/7:321:45:347
3197199120,1cyclictest10121-21sshd22:30:137
3195499122,4cyclictest9326-21sshd00:16:445
3195499122,4cyclictest721-21dbus-daemon22:41:025
3195499122,4cyclictest30152-21sshd23:20:565
3195499122,4cyclictest2202-21sshd23:35:515
3195499122,4cyclictest16164-21sshd23:27:255
3195499122,4cyclictest1-21systemd22:17:355
31954991210,1cyclictest730-21NetworkManager23:08:295
3195499121,5cyclictest12788-21sshd21:38:515
3195499120,11cyclictest6633-21bash21:13:055
3195199128,3cyclictest49-21ksoftirqd/423:47:484
31951991211,1cyclictest49-21ksoftirqd/423:28:214
31951991211,1cyclictest49-21ksoftirqd/423:03:364
31951991211,1cyclictest49-21ksoftirqd/422:18:424
31951991211,1cyclictest49-21ksoftirqd/421:15:214
31951991211,1cyclictest49-21ksoftirqd/400:24:124
31951991210,2cyclictest49-21ksoftirqd/422:53:074
31951991210,1cyclictest49-21ksoftirqd/423:56:034
31951991210,1cyclictest49-21ksoftirqd/422:38:384
3195199120,12cyclictest19251-21kworker/4:421:29:034
3194699129,2cyclictest5653-21systemd23:10:153
31946991210,1cyclictest41-21ksoftirqd/300:31:363
31946991210,1cyclictest41-21ksoftirqd/300:15:363
31946991210,1cyclictest0-21swapper/320:17:093
3194699120,11cyclictest7090-21bash00:00:043
3194199129,2cyclictest12578-21grep23:54:492
3194199125,6cyclictest16955-21sshd00:28:082
3194199124,3cyclictest5094-21grep23:39:392
3194199124,2cyclictest8789-21cp23:17:472
3194199124,2cyclictest7935-21grepconf.sh22:28:132
3194199124,2cyclictest7297-21bash22:13:232
3194199124,2cyclictest7038-21grep22:50:132
3194199124,2cyclictest7038-21grep22:50:132
3194199124,2cyclictest6775-21bash22:02:202
3194199124,2cyclictest5731-21bash22:17:052
3194199124,2cyclictest23521-21grep00:12:002
3194199124,2cyclictest13460-21grep23:58:302
3194199124,2cyclictest12163-21systemd23:27:142
3194199124,2cyclictest11298-21bash21:18:482
3194199123,2cyclictest859-21gdbus00:32:372
3194199123,2cyclictest857-21polkitd21:47:342
3194199123,2cyclictest17517-21httpd22:57:522
3194199123,2cyclictest14845-21grepconf.sh21:53:402
3194199123,2cyclictest0-21swapper/222:32:582
3194199121,11cyclictest0-21swapper/223:47:342
3194199120,5cyclictest5088-21sshd21:38:252
3193499125,6cyclictest15713-21grepconf.sh22:15:481
3193499125,1cyclictest709-21systemd-logind00:22:431
3193499122,4cyclictest6833-21sshd21:56:561
3193499122,4cyclictest17337-21sshd23:53:141
31934991211,1cyclictest25-21ksoftirqd/121:20:441
31934991210,1cyclictest27347-21sshd21:45:141
3193499120,2cyclictest28993-21sshd23:04:161
31928991210,1cyclictest9-21ksoftirqd/021:06:570
3197199119,1cyclictest73-21ksoftirqd/721:55:287
3197199119,1cyclictest721-21dbus-daemon21:31:157
3197199113,7cyclictest464-21systemd-journal21:13:027
3197199113,5cyclictest23976-21kill00:28:327
3197199110,5cyclictest3352-21bash22:00:197
3197199110,11cyclictest32309-21kworker/7:123:52:357
3197199110,10cyclictest3872-21kworker/7:222:49:167
3197199110,10cyclictest3872-21kworker/7:222:49:167
3196399119,1cyclictest65-21ksoftirqd/619:31:566
3195499116,4cyclictest29488-21grepconf.sh21:32:315
3195499112,4cyclictest13002-21sshd21:53:335
3195499111,4cyclictest9581-21sshd21:29:365
3195499111,4cyclictest26745-21sshd23:48:115
3195499111,4cyclictest16315-21sshd21:48:175
3195499111,4cyclictest0-21swapper/522:57:155
3195499110,11cyclictest14332-21kworker/5:200:10:485
3195499110,10cyclictest709-21systemd-logind22:14:535
3195499110,10cyclictest0-21swapper/521:57:235
3195199119,1cyclictest49-21ksoftirqd/423:13:174
3195199119,1cyclictest49-21ksoftirqd/400:03:174
3194699119,1cyclictest41-21ksoftirqd/323:02:513
3194699118,2cyclictest24526-21systemd22:31:033
3194699115,4cyclictest15940-21sshd23:18:133
3194699113,5cyclictest11785-21bash21:07:203
3194699113,4cyclictest30888-21sshd21:16:193
3194699112,5cyclictest25333-21sshd23:13:123
3194699112,4cyclictest18228-21sshd22:52:363
3194699112,4cyclictest0-21swapper/300:32:363
3194699110,11cyclictest0-21swapper/323:31:513
3194699110,10cyclictest0-21swapper/322:10:013
3194699110,10cyclictest0-21swapper/321:35:583
3194199114,2cyclictest501-21systemd00:07:022
3194199112,2cyclictest857-21polkitd00:22:002
3193499112,4cyclictest8361-21kill23:08:321
3193499112,4cyclictest709-21systemd-logind00:02:011
3193499112,4cyclictest27157-21systemd00:13:591
3193499112,4cyclictest14588-21sshd00:17:031
31934991110,1cyclictest25-21ksoftirqd/122:09:381
31934991110,1cyclictest25-21ksoftirqd/122:01:581
3193499111,4cyclictest32053-21systemd-cgroups23:22:501
3193499111,4cyclictest30603-21sshd22:22:111
3193499111,4cyclictest10790-21sshd22:33:521
3193499111,4cyclictest0-21swapper/122:46:091
3193499110,11cyclictest17688-21kworker/1:022:28:581
3193499110,10cyclictest0-21swapper/122:50:591
3193499110,10cyclictest0-21swapper/122:50:591
3192899110,1cyclictest0-21swapper/020:37:180
31802110,0sleep30-21swapper/323:32:123
31282110,0sleep10-21swapper/100:32:491
110002110,1sleep11-21systemd21:49:501
3197199109,1cyclictest0-21swapper/722:36:507
3197199108,1cyclictest73-21ksoftirqd/721:17:127
3197199104,3cyclictest709-21systemd-logind00:23:427
3197199103,6cyclictest28816-21systemd-cgroups00:14:057
3197199103,6cyclictest16343-21sshd22:59:567
3197199103,1cyclictest20814-21sshd00:33:517
3197199103,1cyclictest13057-21systemd-cgroups00:04:017
3197199100,4cyclictest9473-21kworker/u16:223:38:007
3197199100,4cyclictest18345-21sshd21:33:447
3197199100,4cyclictest10379-21systemd-cgroups23:47:167
3196399109,1cyclictest65-21ksoftirqd/619:52:186
3196399108,1cyclictest65-21ksoftirqd/620:06:576
3195499103,6cyclictest730-21NetworkManager21:43:295
3195499103,1cyclictest758-21runrttasks23:22:075
3195499102,7cyclictest31563-21sshd00:27:105
3195499101,4cyclictest26943-21grepconf.sh22:27:275
3195499100,4cyclictest721-21dbus-daemon22:23:405
3195499100,4cyclictest29452-21sshd22:34:585
3195499100,4cyclictest25390-21sshd00:06:375
3195499100,10cyclictest0-21swapper/521:22:595
3195199104,3cyclictest410-21sshd23:39:234
3194699108,1cyclictest41-21ksoftirqd/323:52:423
3194699108,1cyclictest41-21ksoftirqd/321:52:453
3194699104,4cyclictest22318-21httpd22:38:483
3194699104,3cyclictest13035-21sshd21:24:213
3194699103,6cyclictest0-21swapper/322:04:073
3194699102,2cyclictest0-21swapper/320:30:133
3194699101,5cyclictest730-21NetworkManager00:18:023
3194699101,4cyclictest24264-21sshd23:37:063
3194699101,3cyclictest0-21swapper/321:58:573
3194699100,10cyclictest0-21swapper/321:44:293
3194199104,2cyclictest27884-21sshd19:54:042
3194199103,3cyclictest31836-21awk20:57:112
3194199103,2cyclictest752-21snmpd19:14:252
3194199103,2cyclictest709-21systemd-logind21:06:562
3194199103,1cyclictest752-21snmpd20:48:342
3194199102,1cyclictest0-21swapper/220:03:062
3193499104,2cyclictest1592-21sshd23:37:331
3193499103,6cyclictest27229-21sshd23:13:181
3193499103,6cyclictest23851-21sshd23:18:401
3193499103,6cyclictest0-21swapper/122:54:071
3193499100,4cyclictest9617-21nfsd422:17:141
3193499100,4cyclictest15192-21iostat_ios21:37:121
3193499100,4cyclictest12040-21systemd-cgroups23:47:201
3193499100,10cyclictest12866-21kworker/1:322:57:591
3192899106,3cyclictest9-21ksoftirqd/019:52:150
319719997,1cyclictest73-21ksoftirqd/722:52:077
319719990,0cyclictest0-21swapper/723:22:437
319639998,1cyclictest65-21ksoftirqd/621:06:576
319639998,1cyclictest65-21ksoftirqd/619:46:566
319639998,1cyclictest65-21ksoftirqd/619:26:566
319639997,1cyclictest65-21ksoftirqd/619:57:166
319549991,3cyclictest31762-21sshd23:02:325
319549990,0cyclictest0-21swapper/519:17:125
319469997,1cyclictest41-21ksoftirqd/322:42:013
319469992,6cyclictest3772-21sshd22:48:083
319469992,6cyclictest3772-21sshd22:48:083
319469992,4cyclictest17215-21bash22:32:223
319469992,4cyclictest0-21swapper/321:27:473
319469990,9cyclictest12257-21kworker/3:121:47:533
319469990,5cyclictest18795-21sshd23:22:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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