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2026-08-17 - 13:28
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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 376 highest latencies:
System rack0slot2.osadl.org (updated Mon Aug 17, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
243555321010,0sleep50-21swapper/510:28:095
1998339995754,2cyclictest2021221-21kworker/u16:2+events_unbound07:28:016
199775825520,30sleep70-21swapper/707:03:547
1998337994946,2cyclictest2118967-21kworker/u16:1+flush-8:008:13:025
199777424736,7sleep50-21swapper/507:04:085
1998339994644,2cyclictest2307990-21kworker/u16:0+events_unbound09:38:226
1998339994643,2cyclictest2515627-21kworker/u16:1+flush-8:011:13:006
1998339994442,2cyclictest2658871-21kworker/u16:0+flush-8:012:23:216
1998337994442,2cyclictest2455426-21kworker/u16:3+events_unbound10:38:165
1998337994341,2cyclictest2236857-21kworker/u16:2+events_unbound10:03:195
1998337994341,2cyclictest2205026-21kworker/u16:3+events_unbound08:48:135
1998344994135,5cyclictest648-21systemd-journal10:52:467
1998339994139,2cyclictest2307990-21kworker/u16:0+events_unbound09:43:176
1998339994139,2cyclictest2236857-21kworker/u16:2+events_unbound10:23:176
1998339994138,2cyclictest2118967-21kworker/u16:1+flush-8:008:08:006
1998337994139,2cyclictest2307990-21kworker/u16:0+flush-8:009:43:125
1998337994139,2cyclictest2118967-21kworker/u16:1+flush-8:008:23:025
1998339994038,2cyclictest2429529-21kworker/u16:1+events_unbound10:53:056
1998339994038,2cyclictest2429529-21kworker/u16:1+events_unbound10:28:016
1998339994037,2cyclictest2320593-21kworker/u16:3+events_unbound10:03:006
199772624028,8sleep40-21swapper/407:03:274
1998339993937,2cyclictest2587245-21kworker/u16:2+events_unbound11:58:066
1998339993937,2cyclictest2515627-21kworker/u16:1+events_unbound11:28:206
1998339993937,2cyclictest2454821-21kworker/u16:0+events_unbound11:27:456
1998337993937,2cyclictest2381795-21kworker/u16:4+flush-8:010:23:125
1998337993936,2cyclictest2587245-21kworker/u16:2+events_unbound11:53:115
1998339993836,2cyclictest1282076-21kworker/u16:0+flush-8:007:13:146
1998339993835,2cyclictest2225784-21kworker/u16:1+flush-8:009:33:206
1998337993836,2cyclictest2079548-21kworker/u16:0+events_unbound08:08:135
1998339993736,1cyclictest2167234-21kworker/u16:4+events_unbound08:43:146
1998339993735,2cyclictest2574758-21kworker/u16:3+events_unbound11:38:206
1998337993736,1cyclictest2137903-21kworker/u16:3+events_unbound08:18:035
1998337993735,2cyclictest2307990-21kworker/u16:0+events_unbound09:51:145
1998337993734,2cyclictest2603509-21kworker/u16:1+events_unbound11:51:165
1998337993734,2cyclictest2258977-21kworker/u16:5+events_unbound09:23:005
1998344993631,4cyclictest2393596-21latency_hist10:12:467
1998339993634,2cyclictest2429529-21kworker/u16:1+events_unbound10:33:176
1998339993633,2cyclictest2272316-21kworker/u16:0+events_unbound09:23:046
1998337993634,2cyclictest2454821-21kworker/u16:0+events_unbound11:33:115
1998337993634,2cyclictest2454821-21kworker/u16:0+events_unbound11:18:045
1998337993634,2cyclictest2381795-21kworker/u16:4+events_unbound10:10:005
1998337993634,2cyclictest2258977-21kworker/u16:5+events_unbound09:29:505
1998337993634,2cyclictest2021221-21kworker/u16:2+flush-8:007:28:155
1998337993633,2cyclictest2258977-21kworker/u16:5+events_unbound09:18:035
1998339993533,2cyclictest2661079-21kworker/u16:4+flush-8:012:08:206
1998339993533,2cyclictest2454821-21kworker/u16:0+flush-8:010:41:056
1998339993533,2cyclictest2429529-21kworker/u16:1+events_unbound10:48:106
1998339993533,2cyclictest2225784-21kworker/u16:1+events_unbound09:28:186
1998339993530,2cyclictest2118967-21kworker/u16:1+flush-8:008:28:026
1998337993533,2cyclictest2587245-21kworker/u16:2+events_unbound11:58:205
1998337993533,2cyclictest2454821-21kworker/u16:0+events_unbound10:45:445
1998337993533,2cyclictest2442246-21kworker/u16:4+events_unbound10:36:055
1998337993533,2cyclictest2225784-21kworker/u16:1+events_unbound09:10:245
1998339993432,2cyclictest2658871-21kworker/u16:0+events_unbound12:28:246
1998337993432,2cyclictest2710072-21kworker/u16:2+events_unbound12:34:175
1998337993432,2cyclictest2658871-21kworker/u16:0+events_unbound12:26:265
1998337993432,2cyclictest2603509-21kworker/u16:1+events_unbound11:46:445
1998337993432,2cyclictest2515627-21kworker/u16:1+flush-8:011:08:245
1998337993432,2cyclictest2515627-21kworker/u16:1+events_unbound11:28:085
1998337993432,2cyclictest2205026-21kworker/u16:3+events_unbound09:13:125
1998337993431,2cyclictest2455426-21kworker/u16:3+flush-8:010:53:065
1998339993331,2cyclictest2186449-21kworker/u16:0+events_unbound09:10:416
1998337993331,2cyclictest2683127-21kworker/u16:2+events_unbound12:14:005
1998337993331,2cyclictest2658871-21kworker/u16:0+events_unbound12:28:535
1998337993331,2cyclictest2501943-21kworker/u16:2+events_unbound11:01:205
1998337993331,2cyclictest2454821-21kworker/u16:0+events_unbound11:25:325
1998337993331,2cyclictest2454821-21kworker/u16:0+events_unbound11:16:295
1998337993331,2cyclictest2381795-21kworker/u16:4+flush-8:010:13:125
1998337993331,2cyclictest2236857-21kworker/u16:2+events_unbound10:19:385
1998337993331,2cyclictest2236857-21kworker/u16:2+events_unbound09:39:055
1998337993330,2cyclictest2036675-21kworker/u16:4+flush-8:007:33:155
1998339993230,2cyclictest2118967-21kworker/u16:1+events_unbound08:23:146
1998337993230,2cyclictest2661079-21kworker/u16:4+events_unbound12:05:025
1998337993230,2cyclictest2587245-21kworker/u16:2+events_unbound11:39:095
1998337993230,2cyclictest2454821-21kworker/u16:0+events_unbound11:03:465
1998337993230,2cyclictest2454821-21kworker/u16:0+events_unbound10:51:325
1998337993230,2cyclictest2236857-21kworker/u16:2+events_unbound10:00:455
1998337993230,2cyclictest2236857-21kworker/u16:2+events_unbound09:53:545
1998337993230,2cyclictest2079548-21kworker/u16:0+events_unbound07:47:265
1998337993230,2cyclictest2058726-21kworker/u16:1+flush-8:007:38:145
1998337993230,2cyclictest2036675-21kworker/u16:4+flush-8:008:03:165
1998337993230,2cyclictest2021221-21kworker/u16:2+events_unbound08:38:265
1998337993230,2cyclictest2021221-21kworker/u16:2+events_unbound08:38:265
1998337993229,2cyclictest2696352-21kworker/u16:3+events_unbound12:18:145
1998344993124,5cyclictest2258891-21fwupd09:16:397
1998339993129,2cyclictest1988116-21kworker/u16:3+flush-8:007:23:056
1998339993128,3cyclictest2603509-21kworker/u16:1+flush-8:011:44:456
1998337993129,2cyclictest2658871-21kworker/u16:0+flush-8:012:12:135
1998337993129,2cyclictest2137903-21kworker/u16:3+events_unbound08:33:125
1998337993129,2cyclictest2137903-21kworker/u16:3+events_unbound08:28:115
199834499300,28cyclictest2442203-21latency_hist10:32:457
1998339993028,2cyclictest2574758-21kworker/u16:3+flush-8:011:50:126
1998339993028,2cyclictest2574758-21kworker/u16:3+events_unbound11:56:566
1998339993028,2cyclictest2236857-21kworker/u16:2+events_unbound09:20:256
1998339993028,2cyclictest2058726-21kworker/u16:1+flush-8:007:38:046
1998339993028,2cyclictest1988116-21kworker/u16:3+events_unbound07:22:416
1998337993028,2cyclictest2225784-21kworker/u16:1+events_unbound09:33:375
1998337993028,2cyclictest2186449-21kworker/u16:0+events_unbound08:43:185
1998337993028,2cyclictest2058726-21kworker/u16:1+events_unbound07:48:155
1998339992927,2cyclictest2454821-21kworker/u16:0+flush-8:011:18:186
1998339992927,2cyclictest2320593-21kworker/u16:3+flush-8:009:52:176
1998339992927,2cyclictest2205026-21kworker/u16:3+flush-8:008:58:056
1998337992927,2cyclictest2058726-21kworker/u16:1+flush-8:007:54:215
1998337992927,2cyclictest1282076-21kworker/u16:0+flush-8:007:11:215
199777522919,7sleep60-21swapper/607:04:096
21516072280,0chrt0-21swapper/408:23:074
1998339992826,2cyclictest2225784-21kworker/u16:1+events_unbound09:03:146
1998330992825,3cyclictest2603509-21kworker/u16:1+flush-8:011:43:174
25801342270,1chrt2580135-21tr11:28:067
24653972270,1chrt2465395-21ssh10:40:387
1998339992725,2cyclictest2696352-21kworker/u16:3+flush-8:012:33:076
1998339992725,2cyclictest2515627-21kworker/u16:1+flush-8:011:09:256
1998339992725,2cyclictest2515627-21kworker/u16:1+events_unbound11:03:096
1998339992725,2cyclictest2381795-21kworker/u16:4+events_unbound10:13:136
1998339992725,2cyclictest2236857-21kworker/u16:2+flush-8:009:53:186
1998339992725,2cyclictest2021221-21kworker/u16:2+flush-8:008:07:426
1998339992723,3cyclictest2658871-21kworker/u16:0+flush-8:012:03:116
1998337992725,2cyclictest2021221-21kworker/u16:2+events_unbound08:56:255
1998330992724,2cyclictest2658871-21kworker/u16:0+flush-8:012:08:114
1998339992624,2cyclictest2454821-21kworker/u16:0+flush-8:010:44:406
1998339992624,2cyclictest2416545-21kworker/u16:0+flush-8:010:20:376
1998339992624,2cyclictest2381795-21kworker/u16:4+flush-8:010:09:216
1998339992624,2cyclictest2205026-21kworker/u16:3+flush-8:009:13:126
1998339992624,2cyclictest2205026-21kworker/u16:3+events_unbound08:48:156
1998330992624,2cyclictest2256773-21kworker/u16:4+events_unbound09:16:454
1998339992523,2cyclictest2574758-21kworker/u16:3+flush-8:011:36:136
1998339992523,2cyclictest2021221-21kworker/u16:2+events_unbound07:43:086
1998337992523,2cyclictest2186449-21kworker/u16:0+events_unbound09:05:505
1998337992523,2cyclictest2021221-21kworker/u16:2+events_unbound07:20:265
1998339992422,2cyclictest2658871-21kworker/u16:0+flush-8:012:21:366
1998339992422,2cyclictest2658871-21kworker/u16:0+events_unbound12:14:416
1998337992422,2cyclictest2021221-21kworker/u16:2+events_unbound08:02:255
1998337992422,2cyclictest1988116-21kworker/u16:3+events_unbound07:17:265
1998344992216,5cyclictest2225401-21latency_hist09:02:467
199834499210,19cyclictest2020849-21cat07:13:177
1998339992118,2cyclictest2355408-21kworker/u16:1+events_unbound09:57:476
1998337992118,2cyclictest1988116-21kworker/u16:3+events_unbound07:22:565
1998339992018,2cyclictest2137903-21kworker/u16:3+events_unbound08:33:086
1998339992018,2cyclictest2058726-21kworker/u16:1+flush-8:007:52:596
1998330992016,3cyclictest2381795-21kworker/u16:4+flush-8:010:17:464
1998339991917,2cyclictest2454821-21kworker/u16:0+events_unbound11:02:406
25034622180,0sleep72503463-21rm10:57:537
1998337991816,2cyclictest2205026-21kworker/u16:3+events_unbound08:59:465
1998339991715,2cyclictest2167234-21kworker/u16:4+events_unbound08:41:576
1998339991715,2cyclictest2167234-21kworker/u16:4+events_unbound08:41:576
1998339991715,2cyclictest2021221-21kworker/u16:2+flush-8:008:54:266
1998330991714,2cyclictest2696352-21kworker/u16:3+flush-8:012:32:504
1998344991612,3cyclictest2417015-21taskset10:21:097
1998344991611,4cyclictest648-21systemd-journal07:52:417
199834499160,14cyclictest2503021-21latency_hist10:57:467
1998344991513,1cyclictest2235116-21diskmemload10:15:477
1998344991511,3cyclictest1302-21snmpd12:22:447
199833099150,1cyclictest0-21swapper/411:21:204
199834499148,4cyclictest2273086-21tune2fs09:23:017
1998344991412,1cyclictest0-21swapper/711:18:097
1998344991411,2cyclictest0-21swapper/707:58:147
1998344991410,3cyclictest0-21swapper/708:37:467
1998344991410,3cyclictest0-21swapper/708:37:467
199834499140,1cyclictest0-21swapper/709:39:017
199834499140,13cyclictest1302-21snmpd10:03:347
1998339991412,2cyclictest2118967-21kworker/u16:1+events_unbound08:16:576
199833999140,14cyclictest0-21swapper/607:07:486
1998330991413,1cyclictest0-21swapper/412:02:484
1998330991413,1cyclictest0-21swapper/411:53:304
199833099140,1cyclictest0-21swapper/411:40:354
199833099140,1cyclictest0-21swapper/410:58:194
199833099140,1cyclictest0-21swapper/410:20:294
199833099140,1cyclictest0-21swapper/409:18:034
199833099140,14cyclictest0-21swapper/412:00:454
199833099140,14cyclictest0-21swapper/410:48:044
199833099140,14cyclictest0-21swapper/410:41:274
199834499139,3cyclictest1302-21snmpd07:36:287
199834499136,6cyclictest6050-21gmain08:43:087
199834499136,6cyclictest5965-21gmain10:34:167
1998344991311,1cyclictest0-21swapper/712:03:147
1998344991310,2cyclictest1302-21snmpd10:46:147
199834499130,2cyclictest2718724-21ntpq12:23:147
1998339991311,2cyclictest2099214-21kworker/u16:3+flush-8:007:58:156
199833999130,13cyclictest0-21swapper/607:51:106
1998330991312,1cyclictest0-21swapper/410:12:174
1998330991312,1cyclictest0-21swapper/410:02:024
1998330991312,1cyclictest0-21swapper/409:47:324
1998330991312,1cyclictest0-21swapper/409:36:014
1998330991312,1cyclictest0-21swapper/409:08:354
1998330991312,1cyclictest0-21swapper/407:58:074
199833099130,1cyclictest0-21swapper/409:50:324
199833099130,13cyclictest0-21swapper/410:26:384
199834499129,2cyclictest1302-21snmpd11:12:547
199834499129,2cyclictest1302-21snmpd07:40:497
199834499129,2cyclictest1256-21tuned-ppd07:23:117
199834499129,2cyclictest1155-21rpc.gssd11:04:447
199834499129,2cyclictest0-21swapper/712:08:147
199834499128,3cyclictest2637981-21cat11:53:007
199834499128,3cyclictest2158627-21cat08:28:007
199834499128,3cyclictest1302-21snmpd09:48:047
199834499128,3cyclictest1302-21snmpd08:52:277
199834499128,3cyclictest1302-21snmpd07:43:077
199834499128,3cyclictest1302-21snmpd07:31:227
199834499127,4cyclictest2686666-21cat12:13:027
199834499127,4cyclictest2110045-21cat08:03:027
199834499120,2cyclictest2134499-21cut08:13:087
199834499120,1cyclictest2426966-21nfs4_client10:23:127
199834499120,11cyclictest1302-21snmpd08:53:487
199834499120,10cyclictest1302-21snmpd09:02:577
1998330991211,1cyclictest0-21swapper/412:24:154
1998330991211,1cyclictest0-21swapper/411:49:534
1998330991211,1cyclictest0-21swapper/411:26:334
1998330991211,1cyclictest0-21swapper/411:08:154
1998330991211,1cyclictest0-21swapper/410:54:424
1998330991211,1cyclictest0-21swapper/407:22:484
199834499118,2cyclictest1302-21snmpd11:36:467
199834499117,3cyclictest1302-21snmpd11:51:107
199834499117,3cyclictest1302-21snmpd09:57:557
199834499117,3cyclictest1302-21snmpd09:32:217
199834499117,3cyclictest1302-21snmpd08:20:207
199834499117,3cyclictest1302-21snmpd07:52:497
199834499115,4cyclictest2321141-21grep09:42:577
199834499110,1cyclictest2601235-21ssh11:37:597
199834499110,10cyclictest2658002-21ntpq11:58:157
199834499110,10cyclictest2623609-21ssh11:46:047
199834499110,10cyclictest2305309-21ntpq09:33:147
199834499110,10cyclictest1302-21snmpd11:09:037
199834499110,10cyclictest1302-21snmpd09:20:187
199834499110,10cyclictest1302-21snmpd08:34:387
1998330991110,1cyclictest0-21swapper/412:32:364
1998330991110,1cyclictest0-21swapper/410:33:154
1998330991110,1cyclictest0-21swapper/408:11:504
1998330991110,1cyclictest0-21swapper/407:54:014
199834499107,2cyclictest1302-21snmpd07:12:467
199834499107,2cyclictest0-21swapper/712:28:117
199834499107,2cyclictest0-21swapper/708:08:027
199834499105,4cyclictest2022597-21cat07:18:037
199834499100,9cyclictest2235116-21diskmemload11:22:547
199834499100,3cyclictest2346035-21grep09:53:017
199834499100,2cyclictest2149397-21kthreadcore08:23:067
199834499100,1cyclictest2245682-21ssh09:09:477
199833999108,2cyclictest2118967-21kworker/u16:1+flush-8:008:19:376
199833999108,2cyclictest2058726-21kworker/u16:1+flush-8:007:36:576
199833099109,1cyclictest0-21swapper/412:17:574
199833099109,1cyclictest0-21swapper/411:35:224
199833099109,1cyclictest0-21swapper/410:04:344
199833099109,1cyclictest0-21swapper/407:47:524
199833099109,1cyclictest0-21swapper/407:43:464
199833099100,10cyclictest0-21swapper/408:49:504
19983449990,0cyclictest0-21swapper/712:32:527
19983309998,1cyclictest0-21swapper/411:31:454
19983309998,1cyclictest0-21swapper/410:43:594
19983309998,1cyclictest0-21swapper/409:30:304
19983309998,1cyclictest0-21swapper/409:24:314
19983309998,1cyclictest0-21swapper/407:37:094
19983309998,1cyclictest0-21swapper/407:28:574
19983309997,2cyclictest1282076-21kworker/u16:0+events_unbound07:12:474
19983309987,1cyclictest0-21swapper/410:29:094
19983309987,1cyclictest0-21swapper/409:42:014
19983309987,1cyclictest0-21swapper/409:06:044
19983309987,1cyclictest0-21swapper/408:47:184
19983309987,1cyclictest0-21swapper/408:07:154
19983309987,1cyclictest0-21swapper/407:19:104
19983309980,8cyclictest0-21swapper/407:42:404
19983309976,1cyclictest0-21swapper/412:13:134
19983309976,1cyclictest0-21swapper/409:56:314
19983309976,1cyclictest0-21swapper/409:01:304
19983309976,1cyclictest0-21swapper/408:56:554
19983309973,3cyclictest1998667-21ls07:07:594
19983309965,1cyclictest0-21swapper/408:40:134
19983309965,1cyclictest0-21swapper/408:40:134
19983309951,1cyclictest681rcuog/411:14:404
19983309950,4cyclictest2515583-21chrt11:02:474
19983309950,4cyclictest2176124-21taskset08:33:164
19983309950,4cyclictest2166248-21taskset08:28:114
19983309950,4cyclictest2147484-21chrt08:18:504
19983309950,4cyclictest2131255-21taskset08:13:054
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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