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2026-08-31 - 14:07
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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 highest latencies:
System rackeslot2.osadl.org (updated Mon Aug 31, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
316199121120,2sleep30-21swapper/322:14:523
340486721090,1sleep03404868-21timerandwakeup00:29:590
320197321000,2sleep03201970-21ssh22:35:020
31602722500,3sleep00-21swapper/022:14:210
33202622310,1sleep00-21swapper/023:44:490
31574202290,1sleep03157422-21grep22:09:560
2883838992811,12cyclictest778-21dbus-daemon21:30:010
288383899274,13cyclictest0-21swapper/023:12:090
2883838992710,9cyclictest3355674-21cut00:04:500
2883838992510,11cyclictest3179926-21kthreadcore22:24:510
2883838992414,9cyclictest376-21systemd-journal19:35:010
288383899241,13cyclictest0-21swapper/023:32:440
288383899241,12cyclictest0-21swapper/022:25:350
288383899239,9cyclictest3125031-21sh21:54:280
288383899238,13cyclictest82050irq/121-eno122:45:520
288383899234,11cyclictest3363131-21rm00:08:480
288383899231,5cyclictest1188-21runrttasks19:14:340
288383899231,3cyclictest3038997-21runrttasks21:04:430
2883838992312,9cyclictest2956892-21cut20:04:490
288383899231,16cyclictest0-21swapper/023:35:420
288383899231,13cyclictest2893589-21sshd-session19:16:330
288383899231,13cyclictest0-21swapper/022:03:520
288383899231,12cyclictest0-21swapper/000:23:330
288383899230,5cyclictest1188-21runrttasks23:28:310
288383899230,4cyclictest3133109-21sh21:58:010
288383899230,14cyclictest3169208-21/usr/sbin/munin22:19:360
2883839992212,2cyclictest82050irq/121-eno121:29:501
288383899229,12cyclictest3014541-21kthreadcore20:44:520
288383899224,11cyclictest0-21swapper/021:39:170
288383899224,11cyclictest0-21swapper/000:32:510
288383899222,3cyclictest3063443-21aten2.4-expect21:19:470
288383899222,13cyclictest0-21swapper/021:20:330
288383899221,5cyclictest1188-21runrttasks20:11:050
2883838992214,7cyclictest977-21rs:main0
288383899221,3cyclictest2990614-21aten2.4-expect20:29:400
288383899221,2cyclictest3017806-21taskset20:45:470
288383899221,13cyclictest0-21swapper/023:15:030
288383899221,13cyclictest0-21swapper/023:05:280
288383899221,13cyclictest0-21swapper/022:40:500
288383899221,13cyclictest0-21swapper/022:35:080
288383899221,13cyclictest0-21swapper/000:15:270
288383899221,13cyclictest0-21swapper/000:15:270
288383899221,12cyclictest0-21swapper/021:10:220
288383899220,5cyclictest3326150-21taskset23:45:070
288383899220,4cyclictest3414594-21taskset00:35:290
288383899220,4cyclictest2928153-21runrttasks19:41:510
288383899220,3cyclictest3335828-21sh23:52:070
288383899220,3cyclictest3239452-21taskset22:58:520
288383899220,3cyclictest1188-21runrttasks20:36:470
288383899220,2cyclictest1188-21runrttasks20:57:150
2213291221,5phc2sys0-21swapper/320:54:283
2883839992117,3cyclictest376-21systemd-journal00:05:011
2883839992114,3cyclictest3191468-21kthreadcore22:29:571
288383899214,8cyclictest0-21swapper/023:55:190
288383899214,8cyclictest0-21swapper/023:55:190
288383899211,5cyclictest1188-21runrttasks20:21:150
288383899211,5cyclictest1188-21runrttasks19:46:240
288383899211,2cyclictest2941949-21taskset19:51:370
2883838992111,9cyclictest3375457-21kthreadcore00:14:530
288383899211,15cyclictest0-21swapper/021:31:570
288383899211,13cyclictest0-21swapper/022:54:520
288383899210,5cyclictest3281975-21taskset23:20:060
288383899210,5cyclictest3105591-21sh21:40:430
288383899210,5cyclictest2907480-21taskset19:27:320
288383899210,5cyclictest1188-21runrttasks19:56:550
288383899210,4cyclictest2900654-21taskset19:23:350
288383899210,3cyclictest3115076-21taskset21:47:080
288383899210,3cyclictest2962839-21runrttasks20:09:160
288383899210,19cyclictest3051931-21munin-run21:10:010
2213291211,4phc2sys0-21swapper/319:49:283
2883840992014,3cyclictest0-21swapper/219:25:092
2883839992017,2cyclictest24610-21gmain21:52:091
288383899201,4cyclictest1188-21runrttasks20:31:290
288383899200,5cyclictest3024673-21taskset20:50:360
288383899200,3cyclictest2976390-21taskset20:16:250
2213291200,2phc2sys0-21swapper/321:46:283
2883840991916,1cyclictest0-21swapper/223:50:012
288383999197,1cyclictest82050irq/121-eno122:11:111
288383899190,4cyclictest2921169-21taskset19:36:050
288384099189,2cyclictest0-21swapper/221:44:292
288384099181,9cyclictest0-21swapper/222:49:292
2883840991814,2cyclictest0-21swapper/219:34:512
2883840991813,2cyclictest0-21swapper/219:57:092
288383999182,4cyclictest2447398rtkit-daemon23:04:291
2883839991815,2cyclictest3316984-21ssh23:40:011
2883839991815,2cyclictest3215788-21kthreadcore22:44:501
2883839991811,3cyclictest3421919-21kthreadcore00:39:521
2213291181,6phc2sys0-21swapper/319:34:293
2213291180,2phc2sys0-21swapper/321:38:423
288384099175,7cyclictest0-21swapper/223:09:282
2883840991714,1cyclictest0-21swapper/223:40:002
2883840991714,1cyclictest0-21swapper/223:23:162
2883840991712,2cyclictest0-21swapper/221:56:092
2883840991712,2cyclictest0-21swapper/221:35:592
288384099171,12cyclictest0-21swapper/220:54:292
288383999175,7cyclictest3369891-21awk00:10:011
2883839991714,2cyclictest24616-21JS14:54:061
2883839991713,2cyclictest0-21swapper/121:10:021
288383899172,5cyclictest1011-21gdbus19:10:020
2213291171,8phc2sys0-21swapper/323:34:303
2213291171,7phc2sys0-21swapper/323:24:283
2213291170,2phc2sys0-21swapper/321:13:083
2213291170,2phc2sys0-21swapper/319:16:333
2213291170,1phc2sys0-21swapper/321:23:353
2883840991614,1cyclictest0-21swapper/223:45:032
2883840991614,1cyclictest0-21swapper/223:13:262
2883840991613,1cyclictest0-21swapper/223:29:522
2883840991613,1cyclictest0-21swapper/222:58:342
2883840991613,1cyclictest0-21swapper/220:36:092
2883840991613,1cyclictest0-21swapper/220:04:512
2883840991612,2cyclictest0-21swapper/223:04:502
2883840991612,2cyclictest0-21swapper/220:11:092
2883840991612,2cyclictest0-21swapper/219:42:342
288384099160,11cyclictest0-21swapper/220:49:292
288383999169,5cyclictest2914878-21cut19:34:461
288383999166,3cyclictest501rcuop/223:13:091
288383999166,3cyclictest3051907-21diskmemload22:03:581
2883839991613,2cyclictest3405256-21cut00:30:021
2883839991613,2cyclictest3227977-21proc_pri22:49:551
2883839991613,2cyclictest2883834-21cyclictest19:19:551
2883839991612,3cyclictest3295103-21kthreadcore23:29:511
2213291160,6phc2sys0-21swapper/322:25:553
2213291160,2phc2sys0-21swapper/322:07:433
2213291160,2phc2sys0-21swapper/319:05:033
2213291160,2phc2sys0-21swapper/300:25:183
2883840991513,1cyclictest0-21swapper/200:05:032
2883840991512,1cyclictest0-21swapper/222:54:562
2883840991512,1cyclictest0-21swapper/221:20:012
2883840991512,1cyclictest0-21swapper/221:14:522
2883840991512,1cyclictest0-21swapper/221:10:012
2883840991512,1cyclictest0-21swapper/200:11:292
2883840991511,2cyclictest0-21swapper/220:09:522
288384099151,10cyclictest34163982sleep200:39:282
288383999158,6cyclictest3004511-21cpu20:39:451
288383999158,5cyclictest3231977-21grep22:54:501
288383999155,6cyclictest0-21swapper/100:14:301
288383999155,2cyclictest0-21swapper/123:58:491
288383999155,2cyclictest0-21swapper/123:58:491
288383999154,3cyclictest0-21swapper/122:39:271
2883839991512,2cyclictest813-21systemd-logind21:25:021
2883839991512,2cyclictest3119096-21kthreadcore21:49:521
2883839991512,2cyclictest3089048-21sh21:33:191
2883839991512,2cyclictest3051907-21diskmemload23:09:501
2883839991512,2cyclictest2977774-21irqrtprio20:19:511
2883839991512,2cyclictest2883834-21cyclictest22:56:561
2883839991512,2cyclictest2883834-21cyclictest20:04:481
2883839991511,3cyclictest3395326-21kthreadcore00:24:521
2883839991511,3cyclictest3277144-21kthreadcore23:19:521
2883839991511,3cyclictest3175394-21timerandwakeup22:19:591
2883839991511,3cyclictest2997497-21aten_repower_fr20:34:351
2883839991511,3cyclictest2907704-21aten_repower_en19:29:331
288383999150,2cyclictest3054258-21apt-get21:14:291
2213291151,6phc2sys0-21swapper/320:39:283
2213291150,7phc2sys0-21swapper/319:59:293
2213291150,3phc2sys0-21swapper/323:07:053
2213291150,2phc2sys0-21swapper/323:59:563
2213291150,2phc2sys0-21swapper/323:59:563
2213291150,2phc2sys0-21swapper/323:54:563
2213291150,2phc2sys0-21swapper/323:36:143
2213291150,2phc2sys0-21swapper/322:22:233
2213291150,2phc2sys0-21swapper/322:19:183
2213291150,2phc2sys0-21swapper/300:00:573
2883840991412,1cyclictest0-21swapper/219:49:532
2883840991412,1cyclictest0-21swapper/200:22:592
2883840991411,1cyclictest0-21swapper/222:44:462
2883840991411,1cyclictest0-21swapper/222:32:562
2883840991411,1cyclictest0-21swapper/222:29:552
2883840991411,1cyclictest0-21swapper/222:14:532
2883840991411,1cyclictest0-21swapper/222:07:582
2883840991411,1cyclictest0-21swapper/221:49:432
2883840991411,1cyclictest0-21swapper/221:34:342
2883840991411,1cyclictest0-21swapper/221:29:552
2883840991411,1cyclictest0-21swapper/221:04:522
2883840991411,1cyclictest0-21swapper/220:59:562
2883840991411,1cyclictest0-21swapper/220:44:502
2883840991411,1cyclictest0-21swapper/220:34:382
2883840991411,1cyclictest0-21swapper/220:25:012
2883840991411,1cyclictest0-21swapper/219:54:522
2883840991411,1cyclictest0-21swapper/219:20:592
2883840991411,1cyclictest0-21swapper/219:12:592
2883840991411,1cyclictest0-21swapper/200:29:542
288383999147,6cyclictest3151504-21/usr/sbin/munin22:09:471
288383999145,4cyclictest0-21swapper/123:44:361
2883839991411,2cyclictest82050irq/121-eno121:40:111
2883839991411,2cyclictest778-21dbus-daemon23:50:021
2883839991411,2cyclictest3381505-21cpuspeed_turbos00:19:461
2883839991411,2cyclictest3381505-21cpuspeed_turbos00:19:461
2883839991411,2cyclictest3103239-21kthreadcore21:39:531
2883839991411,2cyclictest3032293-21cstates20:59:451
2883839991411,2cyclictest3011756-21sh20:44:471
2883839991411,2cyclictest2941269-21timerandwakeup19:49:571
2883839991411,2cyclictest2883834-21cyclictest23:24:481
2883839991410,3cyclictest3343635-21systemd23:55:021
2883839991410,3cyclictest3137488-21kthreadcore21:59:511
2883839991410,3cyclictest3022957-21kthreadcore20:49:521
2883839991410,3cyclictest2991824-21kthreadcore20:29:521
2883839991410,3cyclictest2988655-21kthreadcore20:24:521
2883839991410,3cyclictest2968001-21kthreadcore20:09:521
2883839991410,3cyclictest2951777-21kthreadcore19:59:521
2883839991410,3cyclictest2906691-21timerandwakeup19:24:571
2883839991410,3cyclictest2886937-21kthreadcore19:14:511
2213291140,3phc2sys0-21swapper/320:19:293
2213291140,2phc2sys0-21swapper/322:51:023
2213291140,2phc2sys0-21swapper/300:07:033
288384099132,6cyclictest0-21swapper/223:59:282
288384099132,6cyclictest0-21swapper/223:59:282
2883840991311,1cyclictest0-21swapper/219:39:282
2883840991311,1cyclictest0-21swapper/200:10:022
2883840991310,1cyclictest0-21swapper/223:34:292
2883840991310,1cyclictest0-21swapper/222:04:542
2883840991310,1cyclictest0-21swapper/221:20:592
2883840991310,1cyclictest0-21swapper/220:29:512
2883840991310,1cyclictest0-21swapper/220:19:522
2883840991310,1cyclictest0-21swapper/200:34:502
288383999139,3cyclictest2923957-21kthreadcore19:39:511
288383999134,5cyclictest3194143-21sh22:31:061
288383999133,4cyclictest3045081-21awk21:05:011
2883839991310,2cyclictest797-21polkitd20:15:021
2883839991310,2cyclictest3307464-21cut23:34:571
2883839991310,2cyclictest3178734-21fschecks_count22:24:481
2883839991310,2cyclictest3066351-21kthreadcore21:19:551
2883839991310,2cyclictest2942487-21cpuspeed_turbos19:54:471
2213291133,2phc2sys0-21swapper/300:21:583
2213291131,5phc2sys0-21swapper/322:49:283
2213291131,1phc2sys0-21swapper/319:53:003
2213291130,4phc2sys0-21swapper/321:28:243
2213291130,3phc2sys0-21swapper/321:44:213
2213291130,3phc2sys0-21swapper/320:14:283
2213291130,3phc2sys0-21swapper/300:19:293
2213291130,3phc2sys0-21swapper/300:19:293
2213291130,2phc2sys0-21swapper/321:53:093
2213291130,2phc2sys0-21swapper/300:36:513
2213291130,2phc2sys0-21swapper/300:34:153
288384099129,1cyclictest0-21swapper/222:18:022
288384099129,1cyclictest0-21swapper/219:19:542
288384099128,2cyclictest0-21swapper/222:35:522
288384099122,6cyclictest0-21swapper/223:19:292
288384099121,4cyclictest0-21swapper/223:54:292
2883840991210,1cyclictest0-21swapper/200:18:522
2883840991210,1cyclictest0-21swapper/200:18:522
288383999125,5cyclictest2930390-21cut19:44:511
288383999121,6cyclictest2883653-21latency_hist19:10:011
288383999120,3cyclictest0-21swapper/120:52:281
2213291121,5phc2sys0-21swapper/320:59:273
2213291121,3phc2sys0-21swapper/322:39:273
2213291121,3phc2sys0-21swapper/321:34:533
2213291121,3phc2sys0-21swapper/319:14:293
2213291120,4phc2sys0-21swapper/321:04:293
2213291120,3phc2sys0-21swapper/322:42:433
2213291120,3phc2sys0-21swapper/322:01:073
2213291120,1phc2sys0-21swapper/300:14:003
288384099119,1cyclictest0-21swapper/222:23:202
288384099118,1cyclictest0-21swapper/221:50:592
2213291110,2phc2sys0-21swapper/323:18:383
2213291110,2phc2sys0-21swapper/320:02:453
2213291110,1phc2sys0-21swapper/321:57:583
2213291110,1phc2sys0-21swapper/320:40:253
2213291101,4phc2sys0-21swapper/319:39:293
2213291101,3phc2sys0-21swapper/320:30:033
2213291101,2phc2sys0-21swapper/319:24:563
2213291100,3phc2sys0-21swapper/323:29:563
2213291100,3phc2sys0-21swapper/323:04:563
2213291100,3phc2sys0-21swapper/322:55:593
2213291100,2phc2sys0-21swapper/323:49:553
2213291100,2phc2sys0-21swapper/323:42:373
2213291100,2phc2sys0-21swapper/323:11:023
2213291100,2phc2sys0-21swapper/322:30:053
2213291100,2phc2sys0-21swapper/319:43:093
2213291100,2phc2sys0-21swapper/319:29:563
2213291100,1phc2sys0-21swapper/320:09:113
221329191,3phc2sys0-21swapper/320:49:463
221329191,2phc2sys0-21swapper/321:09:513
221329190,2phc2sys0-21swapper/321:16:173
221329190,2phc2sys0-21swapper/320:24:503
28838409986,1cyclictest0-21swapper/219:10:022
221329180,2phc2sys0-21swapper/320:25:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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