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2026-07-08 - 13:57
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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
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack0slot2.osadl.org (updated Wed Jul 08, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
269947921000,1sleep72699480-21sh11:57:487
204245225848,7sleep50-21swapper/507:06:265
204264825217,30sleep70-21swapper/707:09:087
25986822500,0sleep50-21swapper/511:15:225
27964932480,0sleep50-21swapper/512:35:215
204266324131,7sleep40-21swapper/407:09:214
2043017994038,2cyclictest2553808-21kworker/u16:0+events_unbound11:05:276
2043017994037,2cyclictest2688802-21kworker/u16:0+flush-8:012:15:086
2043017993936,2cyclictest2503024-21kworker/u16:3+flush-8:011:09:546
2043017993835,2cyclictest2317775-21kworker/u16:2+events_unbound09:30:076
2043017993835,2cyclictest2246597-21kworker/u16:1+flush-8:009:20:086
2043017993735,2cyclictest2478141-21kworker/u16:5+events_unbound10:52:356
2043017993735,2cyclictest2351979-21kworker/u16:3+events_unbound10:24:506
2043017993735,2cyclictest2317775-21kworker/u16:2+events_unbound09:28:356
2043007993734,2cyclictest2366871-21kworker/u16:4+events_unbound10:04:194
2043007993734,2cyclictest2042748-21kworker/u16:1+flush-8:007:25:114
2043017993634,2cyclictest2651705-21kworker/u16:5+events_unbound12:14:506
2043017993634,2cyclictest2553808-21kworker/u16:0+events_unbound11:36:186
2043017993634,2cyclictest2246597-21kworker/u16:1+flush-8:009:10:226
2043017993633,3cyclictest2771588-21kworker/u16:1+events_unbound12:33:026
2043017993633,2cyclictest2610985-21kworker/u16:3+flush-8:011:45:086
2043017993533,2cyclictest2688802-21kworker/u16:0+flush-8:012:04:106
2043017993533,2cyclictest2610985-21kworker/u16:3+events_unbound11:50:056
2043007993533,2cyclictest2651705-21kworker/u16:5+events_unbound12:36:224
2043020993429,4cyclictest2688323-21latency_hist11:54:537
2043017993432,2cyclictest2651705-21kworker/u16:5+flush-8:011:41:186
2043017993432,2cyclictest2499716-21kworker/u16:1+flush-8:011:15:146
2043017993432,2cyclictest2366871-21kworker/u16:4+events_unbound10:12:266
2043017993432,2cyclictest2288740-21kworker/u16:0+events_unbound09:56:266
2043007993432,2cyclictest2713131-21kworker/u16:2+events_unbound12:29:394
2043007993432,2cyclictest2288740-21kworker/u16:0+events_unbound09:33:284
2043017993331,2cyclictest2688802-21kworker/u16:0+events_unbound12:20:016
2043017993331,2cyclictest2651705-21kworker/u16:5+events_unbound12:07:226
2043017993331,2cyclictest2590796-21kworker/u16:2+events_unbound11:23:226
2043017993331,2cyclictest2553808-21kworker/u16:0+events_unbound11:31:506
2043017993331,2cyclictest2503024-21kworker/u16:3+events_unbound10:59:226
2043017993331,2cyclictest2499716-21kworker/u16:1+events_unbound11:01:076
2043017993331,2cyclictest2478140-21kworker/u16:2+events_unbound10:34:506
2043017993331,2cyclictest2351979-21kworker/u16:3+events_unbound10:05:516
2043017993331,2cyclictest2351979-21kworker/u16:3+events_unbound09:51:196
2043017993331,2cyclictest2288740-21kworker/u16:0+events_unbound09:17:356
2043017993331,2cyclictest2288740-21kworker/u16:0+events_unbound09:17:356
2043017993330,2cyclictest2119266-21kworker/u16:0+events_unbound08:29:556
2043017993330,2cyclictest2042748-21kworker/u16:1+events_unbound07:55:086
2043017993330,2cyclictest1773939-21kworker/u16:3+flush-8:007:20:106
2043007993331,2cyclictest2771588-21kworker/u16:1+events_unbound12:32:454
2043007993331,2cyclictest2366871-21kworker/u16:4+events_unbound09:53:204
2043007993331,2cyclictest2351979-21kworker/u16:3+events_unbound09:39:344
2043017993230,2cyclictest2771588-21kworker/u16:1+events_unbound12:36:066
2043017993230,2cyclictest2651705-21kworker/u16:5+flush-8:011:55:236
2043017993230,2cyclictest2246597-21kworker/u16:1+events_unbound09:41:116
2043017993230,2cyclictest2119266-21kworker/u16:0+events_unbound08:20:096
2043007993230,2cyclictest2688802-21kworker/u16:0+flush-8:012:13:344
2043007993230,2cyclictest2351979-21kworker/u16:3+events_unbound09:58:394
2043007993230,2cyclictest2288740-21kworker/u16:0+events_unbound10:08:354
2043007993230,2cyclictest2246597-21kworker/u16:1+events_unbound09:28:514
2043017993129,2cyclictest2713131-21kworker/u16:2+events_unbound12:27:186
2043017993129,2cyclictest2590796-21kworker/u16:2+events_unbound11:26:066
2043017993129,2cyclictest2351979-21kworker/u16:3+events_unbound09:38:356
2043017993129,2cyclictest2317775-21kworker/u16:2+events_unbound09:45:516
2043017993129,2cyclictest2119266-21kworker/u16:0+events_unbound08:50:076
2043007993129,2cyclictest2590796-21kworker/u16:2+events_unbound11:24:234
2043007993129,2cyclictest2553808-21kworker/u16:0+events_unbound11:33:184
2043007993129,2cyclictest2499716-21kworker/u16:1+events_unbound10:37:364
2043007993129,2cyclictest2478141-21kworker/u16:5+events_unbound10:40:204
2043007993129,2cyclictest2478141-21kworker/u16:5+events_unbound10:40:204
2043007993129,2cyclictest2159758-21kworker/u16:2+events_unbound08:09:034
2043007993128,2cyclictest2499716-21kworker/u16:1+flush-8:010:48:144
25193832300,1chrt2519384-21kthreadcore10:45:117
23109262300,1chrt0-21swapper/509:20:145
2043017993028,2cyclictest2441135-21kworker/u16:0+events_unbound10:28:356
2043007993028,2cyclictest2553808-21kworker/u16:0+flush-8:011:37:024
2043007993028,2cyclictest2246597-21kworker/u16:1+events_unbound09:03:034
2043007993028,2cyclictest2159758-21kworker/u16:2+events_unbound08:50:234
2043007993028,2cyclictest1773939-21kworker/u16:3+events_unbound07:22:244
204254723019,8sleep60-21swapper/607:07:476
2043017992927,2cyclictest2503024-21kworker/u16:3+events_unbound10:46:346
2043017992927,2cyclictest2416716-21kworker/u16:1+events_unbound10:19:436
2043017992927,2cyclictest2119266-21kworker/u16:0+events_unbound08:39:556
2043017992927,2cyclictest2042748-21kworker/u16:1+events_unbound08:15:186
2043017992926,2cyclictest2172277-21kworker/u16:4+events_unbound08:34:566
2043017992926,2cyclictest2172277-21kworker/u16:4+events_unbound08:34:566
2043007992927,2cyclictest2503024-21kworker/u16:3+events_unbound11:12:144
2043007992927,2cyclictest2366871-21kworker/u16:4+events_unbound10:21:584
2043007992927,2cyclictest2172277-21kworker/u16:4+events_unbound08:39:344
2043007992927,2cyclictest2172277-21kworker/u16:4+events_unbound08:39:344
2043007992927,2cyclictest2159758-21kworker/u16:2+flush-8:008:25:244
2043007992927,2cyclictest2042748-21kworker/u16:1+events_unbound08:02:244
2043007992926,2cyclictest2119266-21kworker/u16:0+events_unbound08:20:034
2043020992823,4cyclictest2453357-21latency_hist10:19:537
2043017992826,2cyclictest2499716-21kworker/u16:1+events_unbound10:39:396
2043017992826,2cyclictest2366871-21kworker/u16:4+events_unbound10:02:186
2043007992826,2cyclictest2651705-21kworker/u16:5+events_unbound11:53:064
2043007992826,2cyclictest2441135-21kworker/u16:0+events_unbound10:33:054
2043007992826,2cyclictest2246597-21kworker/u16:1+events_unbound09:16:364
2043007992826,2cyclictest2246597-21kworker/u16:1+events_unbound09:16:364
2043017992724,2cyclictest2172277-21kworker/u16:4+events_unbound08:55:086
2043007992725,2cyclictest2688802-21kworker/u16:0+flush-8:012:03:404
2043007992725,2cyclictest2553808-21kworker/u16:0+events_unbound11:01:054
2043007992725,2cyclictest2499716-21kworker/u16:1+events_unbound10:57:584
2043007992725,2cyclictest2288740-21kworker/u16:0+flush-8:009:45:254
2043007992725,2cyclictest2288740-21kworker/u16:0+events_unbound09:43:224
2043007992724,2cyclictest2651705-21kworker/u16:5+events_unbound11:44:344
26593092260,1chrt2656100-21kthreadcore11:40:177
2043020992625,0cyclictest0-21swapper/711:19:597
2043020992621,4cyclictest2675955-21latency_hist11:49:537
2043020992621,4cyclictest2540082-21latency_hist10:54:537
2043017992624,2cyclictest2441135-21kworker/u16:0+events_unbound10:43:036
2043017992624,2cyclictest2441135-21kworker/u16:0+events_unbound10:43:036
2043017992624,2cyclictest2119266-21kworker/u16:0+events_unbound07:53:076
2043017992624,2cyclictest2119266-21kworker/u16:0+events_unbound07:53:076
2043017992624,2cyclictest1773939-21kworker/u16:3+flush-8:007:40:196
2043017992623,2cyclictest2042748-21kworker/u16:1+events_unbound07:35:066
2043007992624,2cyclictest2688802-21kworker/u16:0+events_unbound12:15:394
2043007992624,2cyclictest2688802-21kworker/u16:0+events_unbound11:57:404
2043007992624,2cyclictest2499716-21kworker/u16:1+flush-8:011:05:594
2043007992624,2cyclictest2499716-21kworker/u16:1+events_unbound11:17:484
2043007992624,2cyclictest2416716-21kworker/u16:1+events_unbound10:25:274
2043007992624,2cyclictest2351979-21kworker/u16:3+flush-8:010:10:274
2043007992624,2cyclictest2159758-21kworker/u16:2+events_unbound08:46:244
2043007992624,2cyclictest2119266-21kworker/u16:0+events_unbound07:51:434
2043007992624,2cyclictest2119266-21kworker/u16:0+events_unbound07:51:434
2043007992624,2cyclictest2042748-21kworker/u16:1+events_unbound07:46:234
2043007992623,2cyclictest2651705-21kworker/u16:5+events_unbound12:05:024
24299782250,1chrt2429981-21if_p4p110:10:097
2043017992523,2cyclictest1773939-21kworker/u16:3+events_unbound07:14:596
2043007992523,2cyclictest2610985-21kworker/u16:3+flush-8:011:45:344
2043007992523,2cyclictest2590796-21kworker/u16:2+flush-8:011:29:114
2043007992523,2cyclictest2478141-21kworker/u16:5+events_unbound10:51:294
2043007992523,2cyclictest2288740-21kworker/u16:0+events_unbound09:10:154
2043007992523,2cyclictest2159758-21kworker/u16:2+events_unbound09:09:514
2043007992523,2cyclictest2119266-21kworker/u16:0+flush-8:007:55:094
2043007992422,2cyclictest2688802-21kworker/u16:0+events_unbound12:24:204
2043007992422,2cyclictest2351979-21kworker/u16:3+events_unbound10:16:444
2043007992422,2cyclictest2246597-21kworker/u16:1+events_unbound09:20:214
2043007992422,2cyclictest2172277-21kworker/u16:4+events_unbound08:33:444
2043007992422,2cyclictest2042748-21kworker/u16:1+events_unbound08:15:554
2043007992422,2cyclictest2042748-21kworker/u16:1+events_unbound07:17:044
2043007992422,2cyclictest2042748-21kworker/u16:1+events_unbound07:14:224
2043007992422,2cyclictest1773939-21kworker/u16:3+events_unbound07:37:564
2043007992421,2cyclictest2119266-21kworker/u16:0+events_unbound08:10:034
204302099230,21cyclictest2305041-21latency_hist09:19:537
204302099230,21cyclictest2305041-21latency_hist09:19:537
2043007992321,2cyclictest2159758-21kworker/u16:2+events_unbound08:58:554
2043017992220,2cyclictest2042748-21kworker/u16:1+flush-8:007:45:236
2043017992220,2cyclictest1773939-21kworker/u16:3+events_unbound07:28:046
2043007992220,2cyclictest2119266-21kworker/u16:0+events_unbound08:44:044
21129132210,1chrt2112917-21kthreadcore07:40:167
2043017992119,2cyclictest2246597-21kworker/u16:1+events_unbound09:03:076
2043013992119,2cyclictest2288740-21kworker/u16:0+flush-8:009:56:015
2043007992119,2cyclictest1773939-21kworker/u16:3+events_unbound07:44:514
2043007992119,2cyclictest1773939-21kworker/u16:3+events_unbound07:32:244
2043020992019,0cyclictest0-21swapper/712:05:377
2043020992019,0cyclictest0-21swapper/709:08:477
2043020992017,2cyclictest2157750-21grep08:05:127
2043020992015,4cyclictest648-21systemd-journal08:49:547
2043017992018,2cyclictest2159758-21kworker/u16:2+events_unbound08:10:096
2043017992018,2cyclictest2042748-21kworker/u16:1+events_unbound07:30:176
26345052190,0sleep72634508-21tr11:30:157
204302099198,9cyclictest6176-21gmain07:10:187
2043020991918,0cyclictest0-21swapper/712:11:117
2043020991918,0cyclictest0-21swapper/710:40:547
2043020991918,0cyclictest0-21swapper/710:40:547
2043020991918,0cyclictest0-21swapper/707:15:427
2043017991917,2cyclictest2159758-21kworker/u16:2+events_unbound09:05:166
2043017991917,2cyclictest2042748-21kworker/u16:1+events_unbound08:02:036
2043020991816,1cyclictest2573817-21missed_timers11:05:197
2043020991814,3cyclictest1274-21snmpd09:22:287
2043020991712,4cyclictest2164626-21cat08:10:097
2043020991615,0cyclictest0-21swapper/709:40:397
2043020991614,1cyclictest0-21swapper/708:30:197
2043020991610,5cyclictest2564795-21latency_hist11:04:537
204302099160,14cyclictest1081-21ntpd08:27:297
2043017991614,2cyclictest1773939-21kworker/u16:3+flush-8:007:14:536
2043017991513,2cyclictest2172277-21kworker/u16:4+events_unbound08:29:506
2043013991514,1cyclictest0-21swapper/507:45:135
204302099149,4cyclictest6064-21gmain10:25:107
2043020991411,2cyclictest1274-21snmpd08:24:247
2043020991411,2cyclictest0-21swapper/709:24:537
2043017991412,2cyclictest2159758-21kworker/u16:2+flush-8:008:45:176
2043013991413,1cyclictest0-21swapper/512:07:335
2043013991413,1cyclictest0-21swapper/509:10:495
204301399140,1cyclictest0-21swapper/509:25:195
204301399140,14cyclictest0-21swapper/510:38:575
204302099139,3cyclictest1274-21snmpd12:20:517
204302099139,3cyclictest1274-21snmpd08:36:577
204302099139,3cyclictest1274-21snmpd08:36:577
204302099138,4cyclictest2115989-21cat07:45:097
204302099138,4cyclictest1274-21snmpd11:35:387
2043020991312,0cyclictest0-21swapper/710:58:417
2043020991311,1cyclictest2464632-21ssh10:22:597
2043020991310,2cyclictest0-21swapper/710:35:207
2043020991310,2cyclictest0-21swapper/707:20:207
2043017991311,2cyclictest2159758-21kworker/u16:2+events_unbound08:08:046
2043013991312,1cyclictest0-21swapper/512:24:155
2043013991312,1cyclictest0-21swapper/511:58:155
2043013991312,1cyclictest0-21swapper/511:49:255
2043013991312,1cyclictest0-21swapper/511:40:075
2043013991312,1cyclictest0-21swapper/510:02:225
2043013991312,1cyclictest0-21swapper/509:48:305
204301399130,13cyclictest0-21swapper/512:16:225
204301399130,13cyclictest0-21swapper/510:52:215
204301399130,13cyclictest0-21swapper/510:32:005
204301399130,0cyclictest0-21swapper/510:44:565
204301399130,0cyclictest0-21swapper/507:30:145
204302099129,2cyclictest2599039-21sed11:15:257
204302099129,2cyclictest1274-21snmpd10:30:247
204302099129,2cyclictest1274-21snmpd08:59:017
204302099129,2cyclictest1274-21snmpd07:52:057
204302099129,2cyclictest1274-21snmpd07:52:057
204302099129,2cyclictest1274-21snmpd07:31:177
204302099128,3cyclictest6064-21gmain07:35:107
204302099128,3cyclictest1274-21snmpd12:19:457
204302099128,3cyclictest1274-21snmpd10:09:177
204302099128,3cyclictest1274-21snmpd09:45:117
204302099128,3cyclictest1274-21snmpd09:35:587
204302099128,3cyclictest1274-21snmpd09:03:287
2043020991212,0cyclictest0-21swapper/712:25:177
2043020991211,0cyclictest0-21swapper/709:59:597
2043020991210,1cyclictest2389031-21ssh09:50:267
2043020991210,1cyclictest0-21swapper/711:10:217
204302099120,11cyclictest1274-21snmpd12:30:487
2043013991211,1cyclictest0-21swapper/512:31:125
204302099119,1cyclictest0-21swapper/708:40:057
204302099118,2cyclictest2140850-21cut07:55:157
204302099118,2cyclictest1274-21snmpd12:37:047
204302099118,2cyclictest0-21swapper/709:10:067
204302099118,2cyclictest0-21swapper/707:25:217
204302099117,3cyclictest1274-21snmpd08:44:577
204302099117,3cyclictest1274-21snmpd08:14:597
2043013991110,1cyclictest0-21swapper/510:17:115
2043013991110,1cyclictest0-21swapper/508:53:095
2043013991110,1cyclictest0-21swapper/508:34:055
2043013991110,1cyclictest0-21swapper/507:59:145
2043013991110,1cyclictest0-21swapper/507:18:345
204301399110,1cyclictest0-21swapper/508:35:025
204301399110,1cyclictest0-21swapper/508:35:025
204301399110,11cyclictest0-21swapper/509:08:275
204301399110,11cyclictest0-21swapper/507:44:165
204302099108,1cyclictest0-21swapper/712:00:057
204302099106,3cyclictest2615439-21cat11:25:087
204302099106,3cyclictest1274-21snmpd08:04:507
204302099103,6cyclictest6240-21gvfs-afc-volume09:30:147
204302099100,9cyclictest1274-21snmpd09:58:177
204301399109,1cyclictest0-21swapper/510:59:455
204301399109,1cyclictest0-21swapper/509:41:335
204301399109,1cyclictest0-21swapper/509:34:375
204301399109,1cyclictest0-21swapper/508:06:585
204301399109,1cyclictest0-21swapper/508:00:115
204301399109,1cyclictest0-21swapper/507:52:285
204301399109,1cyclictest0-21swapper/507:52:285
20430139998,1cyclictest0-21swapper/508:55:035
20430139998,1cyclictest0-21swapper/507:24:245
20430139998,1cyclictest0-21swapper/507:13:125
20430139987,1cyclictest0-21swapper/510:24:365
20430139976,1cyclictest2317775-21kworker/u16:2+nfsiod09:35:175
20430139976,1cyclictest0-21swapper/507:37:295
20430139976,1cyclictest0-21swapper/507:25:215
20430139974,2cyclictest6624-21sshd11:09:065
20430139964,1cyclictest5785-21gnome-shell12:14:025
20430139964,1cyclictest2302898-21sshd-session09:16:075
20430139964,1cyclictest2302898-21sshd-session09:16:075
20430139963,2cyclictest25873112sleep511:11:075
20430139962,3cyclictest24396622sleep510:12:325
20430139962,2cyclictest0-21swapper/512:25:555
20430139962,2cyclictest0-21swapper/511:25:215
20430139961,3cyclictest0-21swapper/510:06:045
20430139961,2cyclictest0-21swapper/511:51:385
20430139960,5cyclictest5902-21gsd-housekeepin11:34:535
20430139960,5cyclictest5785-21gnome-shell08:16:525
20430139960,1cyclictest0-21swapper/509:00:225
20430139953,2cyclictest2416716-21kworker/u16:1+xprtiod10:26:105
20430139953,1cyclictest23796332chrt09:50:035
20430139953,1cyclictest2222961-21sshd-session08:40:075
20430139951,3cyclictest5785-21gnome-shell11:30:025
20430139951,3cyclictest5785-21gnome-shell11:01:035
20430139951,1cyclictest681rcuog/410:40:075
20430139951,1cyclictest681rcuog/410:40:075
20430139950,4cyclictest2701066-21chrt11:59:545
20430139950,4cyclictest2605015-21chrt11:20:115
20430139950,4cyclictest2232657-21sshd-session08:45:075
20430139950,4cyclictest2194500-21chrt08:25:095
20430139950,4cyclictest2183372-21chrt08:19:575
20430139950,4cyclictest2163835-21chrt08:09:555
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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