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2026-03-20 - 09:34
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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 highest latencies:
System rack0slot2.osadl.org (updated Fri Mar 20, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25149592970,1sleep72514958-21rm22:38:377
22177292950,0sleep60-21swapper/620:23:496
205538499570,55cyclictest2574298-21grep23:03:297
205491225545,7sleep50-21swapper/519:01:045
205506325444,7sleep60-21swapper/619:03:146
205490225444,7sleep40-21swapper/419:00:554
2055384995346,5cyclictest650-21systemd-journal00:23:287
2055377994542,2cyclictest2311960-21kworker/u16:1+flush-8:021:28:285
2055377993937,2cyclictest2669442-21kworker/u16:2+flush-8:023:58:565
2055377993937,2cyclictest2311960-21kworker/u16:1+flush-8:021:48:295
20459742393,30sleep70-21swapper/718:58:417
2055377993836,2cyclictest2764693-21kworker/u16:1+events_unbound00:26:235
2055377993836,2cyclictest2550719-21kworker/u16:4+events_unbound23:37:245
2055377993836,2cyclictest2311960-21kworker/u16:1+events_unbound21:42:475
2055377993735,2cyclictest2751297-21kworker/u16:4+events_unbound00:23:005
2055377993735,2cyclictest2550719-21kworker/u16:4+flush-8:023:13:595
2055377993735,2cyclictest2550719-21kworker/u16:4+events_unbound22:57:285
2055377993634,2cyclictest2550719-21kworker/u16:4+flush-8:023:54:385
2055377993634,2cyclictest2182789-21kworker/u16:0+events_unbound22:31:285
2055377993634,2cyclictest2182789-21kworker/u16:0+events_unbound22:31:285
2055384993530,4cyclictest2300046-21latency_hist21:08:287
2055384993529,5cyclictest650-21systemd-journal23:13:287
2055384993529,5cyclictest2135342-21latency_hist19:43:287
2055377993534,1cyclictest2182789-21kworker/u16:0+events_unbound23:47:205
2055377993533,2cyclictest2512198-21kworker/u16:5+events_unbound22:35:365
2055377993533,2cyclictest2182789-21kworker/u16:0+events_unbound21:04:155
2055377993532,2cyclictest2395663-21kworker/u16:2+events_unbound22:18:405
205538499340,33cyclictest2419092-21latency_hist21:58:287
2055377993432,2cyclictest2538830-21kworker/u16:1+events_unbound23:31:245
2055377993432,2cyclictest2406139-21kworker/u16:4+events_unbound22:00:205
2055377993432,2cyclictest2395663-21kworker/u16:2+events_unbound22:50:285
2055377993432,2cyclictest2395663-21kworker/u16:2+events_unbound22:05:565
2055377993432,2cyclictest2269153-21kworker/u16:3+events_unbound21:23:165
2055377993331,2cyclictest2764693-21kworker/u16:1+events_unbound00:31:245
2055377993331,2cyclictest2550719-21kworker/u16:4+events_unbound23:20:375
2055377993331,2cyclictest2550719-21kworker/u16:4+events_unbound23:11:365
2055377993331,2cyclictest2269153-21kworker/u16:3+flush-8:021:54:155
2055377993331,2cyclictest2269153-21kworker/u16:3+events_unbound21:46:555
2055377993331,2cyclictest2182789-21kworker/u16:0+events_unbound22:16:215
2055377993331,2cyclictest2182789-21kworker/u16:0+events_unbound21:10:445
2055377993230,2cyclictest2550719-21kworker/u16:4+events_unbound00:04:045
2055377993230,2cyclictest2406139-21kworker/u16:4+flush-8:022:09:115
2055377993129,2cyclictest2538830-21kworker/u16:1+events_unbound23:01:325
2055377993028,2cyclictest2550719-21kworker/u16:4+events_unbound23:41:035
2055377993028,2cyclictest2395663-21kworker/u16:2+events_unbound22:24:385
2055377993028,2cyclictest2269153-21kworker/u16:3+events_unbound21:15:355
2055377993028,2cyclictest2269153-21kworker/u16:3+events_unbound21:15:355
2055384992928,0cyclictest0-21swapper/719:38:247
2055384992927,1cyclictest2743800-21ssh00:13:457
2055384992926,2cyclictest107-21kcompactd022:23:447
2055377992927,2cyclictest2182789-21kworker/u16:0+events_unbound23:52:235
2055384992824,3cyclictest2681328-21latency_hist23:48:287
2055377992826,2cyclictest2751297-21kworker/u16:4+events_unbound00:17:085
2055377992826,2cyclictest2738505-21kworker/u16:0+events_unbound00:12:285
2055377992826,2cyclictest2550719-21kworker/u16:4+events_unbound23:07:325
2055377992826,2cyclictest2538830-21kworker/u16:1+events_unbound23:27:495
2055377992826,2cyclictest2395663-21kworker/u16:2+events_unbound22:44:205
2055384992721,5cyclictest2164050-21latency_hist19:58:297
2055379992725,2cyclictest2538830-21kworker/u16:1+events_unbound23:13:416
2055379992725,2cyclictest2182789-21kworker/u16:0+events_unbound20:58:446
2055384992625,0cyclictest0-21swapper/721:33:517
2055377992624,2cyclictest2202118-21kworker/u16:1+flush-8:021:03:295
2055379992522,2cyclictest2269153-21kworker/u16:3+flush-8:021:43:446
2055377992523,2cyclictest2311960-21kworker/u16:1+flush-8:021:38:285
2055377992523,2cyclictest2269153-21kworker/u16:3+events_unbound21:29:595
2055379992419,4cyclictest2136543-21iostat_ios19:43:436
2055377992422,2cyclictest2202118-21kworker/u16:1+events_unbound20:44:405
2055377992422,2cyclictest2182789-21kworker/u16:0+events_unbound22:42:135
2055377992422,2cyclictest2026954-21kworker/u16:0+events_unbound19:34:405
205538499230,21cyclictest2183134-21awk20:08:297
2055377992321,2cyclictest2135555-21kworker/u16:2+events_unbound19:55:295
2055384992220,1cyclictest2468606-21kthreadcore22:18:487
2055379992220,2cyclictest2538830-21kworker/u16:1+flush-8:023:28:236
2055379992218,3cyclictest2183510-21munin-node20:08:416
2055384992111,9cyclictest0-21swapper/723:03:517
2055384992019,0cyclictest0-21swapper/723:33:437
2055379991916,2cyclictest2550719-21kworker/u16:4+flush-8:023:48:286
2055377991917,2cyclictest2202118-21kworker/u16:1+flush-8:020:53:595
2055377991917,2cyclictest2202118-21kworker/u16:1+events_unbound20:28:525
2055377991917,2cyclictest2026954-21kworker/u16:0+flush-8:019:03:525
2055377991917,2cyclictest2026954-21kworker/u16:0+flush-8:019:03:525
27291632180,1sleep60-21swapper/600:08:286
2055384991811,6cyclictest0-21swapper/722:13:477
2055379991813,4cyclictest2155391-21diskstats19:53:436
205536699180,18cyclictest0-21swapper/422:08:464
205538499178,8cyclictest0-21swapper/723:48:477
205538499178,8cyclictest0-21swapper/722:03:487
205538499176,9cyclictest0-21swapper/721:38:477
2055384991716,0cyclictest0-21swapper/719:18:437
205538499170,16cyclictest0-21swapper/721:48:527
2055379991714,2cyclictest2135555-21kworker/u16:2+flush-8:020:03:346
2055377991716,1cyclictest0-21swapper/520:03:535
2055377991715,2cyclictest2026954-21kworker/u16:0+events_unbound19:22:085
2055366991714,2cyclictest2269153-21kworker/u16:3+flush-8:021:39:104
205538499168,7cyclictest0-21swapper/723:38:417
205538499168,7cyclictest0-21swapper/723:18:477
205538499168,7cyclictest0-21swapper/721:08:467
205538499167,8cyclictest0-21swapper/722:08:467
2055384991614,1cyclictest0-21swapper/720:58:487
2055384991613,2cyclictest902-21dbus-daemon22:48:287
2055384991612,3cyclictest1267-21snmpd21:32:577
2055384991610,5cyclictest2347707-21latency_hist21:28:297
2055379991614,2cyclictest2738505-21kworker/u16:0+flush-8:000:18:536
2055377991614,2cyclictest2182789-21kworker/u16:0+events_unbound20:38:415
2055366991613,3cyclictest0-21swapper/421:47:004
205538499158,6cyclictest0-21swapper/720:49:147
205538499157,7cyclictest0-21swapper/721:43:387
205538499150,13cyclictest0-21swapper/720:33:537
205538499150,13cyclictest0-21swapper/720:18:537
2055379991513,2cyclictest2182789-21kworker/u16:0+flush-8:022:28:506
2055379991513,2cyclictest2182789-21kworker/u16:0+flush-8:022:28:506
2055379991513,2cyclictest2026954-21kworker/u16:0+flush-8:019:38:596
2055379991512,2cyclictest2182789-21kworker/u16:0+flush-8:022:13:396
2055377991513,2cyclictest2135555-21kworker/u16:2+flush-8:020:23:555
205537799150,14cyclictest2210782-21ntpq20:18:535
2055366991514,1cyclictest0-21swapper/423:55:484
205536699150,15cyclictest0-21swapper/423:41:374
205538499149,4cyclictest2514506-21latency_hist22:38:287
205538499147,6cyclictest0-21swapper/700:04:237
205538499146,7cyclictest6344-21gmain22:54:157
205538499146,7cyclictest0-21swapper/723:53:487
205538499146,7cyclictest0-21swapper/723:23:527
205538499146,7cyclictest0-21swapper/722:28:537
205538499146,7cyclictest0-21swapper/722:28:537
205538499146,7cyclictest0-21swapper/700:28:477
205538499142,11cyclictest902-21dbus-daemon19:18:297
2055384991410,3cyclictest2606973-21ntpq23:13:517
205538499140,1cyclictest0-21swapper/720:38:517
2055379991413,1cyclictest0-21swapper/623:23:146
2055379991413,1cyclictest0-21swapper/623:01:206
2055379991413,1cyclictest0-21swapper/622:12:086
2055379991413,1cyclictest0-21swapper/621:22:486
2055379991413,1cyclictest0-21swapper/600:08:576
2055379991412,2cyclictest2550719-21kworker/u16:4+flush-8:023:38:526
205537999140,1cyclictest0-21swapper/623:58:146
205537999140,14cyclictest0-21swapper/622:19:336
205537999140,14cyclictest0-21swapper/621:36:216
205537999140,14cyclictest0-21swapper/621:16:586
205537999140,14cyclictest0-21swapper/621:16:586
205537999140,13cyclictest0-21swapper/621:28:526
2055377991412,2cyclictest2202118-21kworker/u16:1+events_unbound20:36:535
2055377991412,2cyclictest2164432-21kworker/u16:3+events_unbound20:01:335
2055377991412,2cyclictest2135555-21kworker/u16:2+events_unbound20:11:055
2055377991412,2cyclictest2026954-21kworker/u16:0+flush-8:019:14:055
2055377991412,2cyclictest2026954-21kworker/u16:0+events_unbound19:26:205
2055377991411,2cyclictest2135555-21kworker/u16:2+flush-8:019:48:455
205536699145,8cyclictest0-21swapper/419:18:444
2055366991413,1cyclictest0-21swapper/422:23:444
2055366991413,1cyclictest0-21swapper/421:27:374
2055366991412,2cyclictest2026954-21kworker/u16:0+events_unbound19:08:314
2055366991412,2cyclictest0-21swapper/423:35:284
2055366991412,2cyclictest0-21swapper/423:03:284
2055366991411,2cyclictest2404245-21ntp_states21:48:544
205536699140,1cyclictest0-21swapper/420:53:344
205536699140,14cyclictest0-21swapper/422:40:364
205536699140,14cyclictest0-21swapper/421:09:574
205536699140,14cyclictest0-21swapper/400:29:144
205536699140,14cyclictest0-21swapper/400:17:054
205536699140,0cyclictest0-21swapper/423:07:244
205538499139,3cyclictest1267-21snmpd19:25:097
205538499136,6cyclictest0-21swapper/723:32:417
205538499136,6cyclictest0-21swapper/722:49:357
205538499136,6cyclictest0-21swapper/721:19:147
205538499136,6cyclictest0-21swapper/700:24:527
205538499136,6cyclictest0-21swapper/700:11:387
205538499135,7cyclictest0-21swapper/723:58:457
205538499135,7cyclictest0-21swapper/721:58:527
205538499135,7cyclictest0-21swapper/721:13:457
205538499135,7cyclictest0-21swapper/721:13:457
2055379991312,1cyclictest0-21swapper/621:08:466
2055379991312,1cyclictest0-21swapper/600:23:376
2055379991310,2cyclictest2559182-21needreboot22:53:496
205537999130,13cyclictest0-21swapper/623:29:236
205536699133,5cyclictest2686001-21grep23:48:484
205536699132,4cyclictest2638003-21kthreadcore23:28:464
2055366991312,1cyclictest0-21swapper/423:25:134
2055366991312,1cyclictest0-21swapper/423:09:184
2055366991312,1cyclictest0-21swapper/422:50:044
2055366991312,1cyclictest0-21swapper/422:46:174
2055366991312,1cyclictest0-21swapper/422:34:564
2055366991312,1cyclictest0-21swapper/421:37:144
2055366991311,2cyclictest0-21swapper/419:14:524
205536699130,13cyclictest0-21swapper/421:58:504
205536699130,0cyclictest0-21swapper/419:49:334
205538499129,2cyclictest0-21swapper/720:13:507
205538499128,3cyclictest5747-21gnome-shell20:53:387
205538499128,3cyclictest1267-21snmpd19:33:127
205538499128,3cyclictest1267-21snmpd19:04:397
205538499128,3cyclictest1267-21snmpd19:04:397
205538499120,11cyclictest1267-21snmpd19:51:107
2055379991211,1cyclictest0-21swapper/622:51:426
2055379991211,1cyclictest0-21swapper/621:52:076
2055379991211,1cyclictest0-21swapper/620:14:416
2055379991211,1cyclictest0-21swapper/619:05:296
2055379991211,1cyclictest0-21swapper/619:05:296
2055379991211,1cyclictest0-21swapper/600:15:256
2055379991211,1cyclictest0-21swapper/600:02:306
205536699129,3cyclictest0-21swapper/422:18:134
205536699126,5cyclictest0-21swapper/421:13:484
205536699126,5cyclictest0-21swapper/421:13:484
205536699123,3cyclictest2733947-21kthreadcore00:08:474
2055366991211,1cyclictest0-21swapper/422:53:514
2055366991211,1cyclictest0-21swapper/420:24:424
2055366991210,2cyclictest0-21swapper/421:31:244
205536699120,1cyclictest0-21swapper/420:49:284
205538499117,3cyclictest1267-21snmpd20:08:347
205538499117,3cyclictest1267-21snmpd19:09:007
205538499111,9cyclictest0-21swapper/720:23:577
205538499110,9cyclictest0-21swapper/720:28:507
205538499110,10cyclictest2143982-21ntpq19:43:517
205538499110,10cyclictest1267-21snmpd20:02:557
2055379991110,1cyclictest2669442-21kworker/u16:2+flush-8:023:43:516
2055379991110,1cyclictest0-21swapper/623:33:296
2055379991110,1cyclictest0-21swapper/622:34:316
2055379991110,1cyclictest0-21swapper/620:22:066
205537999110,1cyclictest0-21swapper/620:47:576
205537999110,1cyclictest0-21swapper/619:25:496
205537999110,11cyclictest0-21swapper/620:33:086
205537999110,0cyclictest0-21swapper/620:00:206
205537799119,2cyclictest2135555-21kworker/u16:2+events_unbound19:43:485
2055377991110,1cyclictest0-21swapper/519:11:345
205537799110,11cyclictest0-21swapper/519:39:575
205536699115,1cyclictest0-21swapper/419:33:424
205536699114,3cyclictest2329719-21kthreadcore21:18:484
205536699114,2cyclictest2495515-21kthreadcore22:28:474
205536699114,2cyclictest2495515-21kthreadcore22:28:474
205536699114,2cyclictest2241760-21irqcore20:38:444
205536699114,1cyclictest0-21swapper/419:38:424
205536699113,4cyclictest2706472-21ip_192.168.114.23:58:434
205536699113,3cyclictest2760315-21cut00:18:484
205536699113,3cyclictest2470082-21cut22:18:474
205536699113,3cyclictest2254166-21grep20:43:474
205536699113,3cyclictest2224406-21grep20:28:454
205536699113,3cyclictest2059496-21grep19:03:464
205536699113,3cyclictest2059496-21grep19:03:464
205536699113,2cyclictest2605659-21kthreadcore23:13:474
205536699113,2cyclictest2136943-21kernelversion19:43:444
205536699112,4cyclictest2184046-21uniq20:08:434
205536699112,4cyclictest2110680-21kthreadcore19:28:464
205536699112,3cyclictest2719799-21kthreadcore00:03:444
205536699112,3cyclictest2433817-21kthreadcore22:03:454
205536699112,3cyclictest2279305-21expr20:58:404
2055366991110,1cyclictest0-21swapper/419:54:074
205536699110,6cyclictest2172997-21timerandwakeup19:58:554
205536699110,11cyclictest0-21swapper/420:08:094
205538499106,3cyclictest1267-21snmpd20:43:297
205537999109,1cyclictest0-21swapper/621:56:036
205537999109,1cyclictest0-21swapper/621:26:356
205537999109,1cyclictest0-21swapper/619:33:326
205537999109,1cyclictest0-21swapper/619:15:156
205537999109,1cyclictest0-21swapper/600:29:466
205537799108,2cyclictest2182789-21kworker/u16:0+flush-8:020:48:525
205537799108,2cyclictest2026954-21kworker/u16:0+flush-8:019:28:535
205536699105,1cyclictest0-21swapper/421:03:484
205536699104,1cyclictest0-21swapper/420:13:464
205536699102,3cyclictest2767177-21cut00:23:454
205536699102,3cyclictest2612450-21cut23:18:454
205536699102,3cyclictest2408784-21irqcore21:53:444
205536699102,3cyclictest2232471-21cut20:33:454
205536699102,3cyclictest2206361-21cut20:18:484
205536699102,3cyclictest2100294-21cut19:23:444
20553799998,1cyclictest0-21swapper/622:43:596
20553799998,1cyclictest0-21swapper/619:50:536
20553669992,2cyclictest2671772-21grep23:43:444
20553799987,1cyclictest0-21swapper/619:20:276
20553799986,1cyclictest0-21swapper/622:38:396
20553799986,1cyclictest0-21swapper/619:08:486
20553799985,2cyclictest0-21swapper/621:38:466
20553799983,4cyclictest2480335-21cut22:23:436
20553799983,4cyclictest2271862-21cut20:53:446
20553799983,4cyclictest2242785-21grep20:38:456
20553799983,4cyclictest2235996-21cut20:33:486
20553799983,4cyclictest2112422-21grep19:28:476
20553779986,2cyclictest2135555-21kworker/u16:2+events_unbound20:13:595
20553799974,2cyclictest2432388-21irqcore22:03:446
20553799974,2cyclictest2289200-21fschecks_count21:03:426
20553799973,3cyclictest2586969-21cat23:08:406
20553799973,3cyclictest2575497-21iostat_ios23:03:436
20553799973,3cyclictest2419669-21cpuspeed_turbos21:58:406
20553799972,4cyclictest2260201-21expr20:48:416
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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