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2025-11-06 - 02:16
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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 all highest latencies:
System rackeslot2.osadl.org (updated Wed Nov 05, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
253648121230,3sleep30-21swapper/311:40:563
255183321200,2sleep30-21swapper/311:50:023
25251872980,2sleep30-21swapper/311:34:513
24388462340,2sleep30-21swapper/310:46:023
2123774992623,1cyclictest0-21swapper/210:20:002
2123773992320,2cyclictest0-21swapper/109:00:001
2123773992317,1cyclictest170550irq/121-eno112:20:011
2123772992315,7cyclictest2395604-21cpuspeed_turbos10:20:510
302487291220,2phc2sys0-21swapper/311:14:093
2123773992219,2cyclictest0-21swapper/110:50:011
2123773992214,2cyclictest2162380-21idleruntime-cro07:40:001
2123772992213,7cyclictest0-21swapper/012:35:020
2123773992118,2cyclictest2463972-21sh11:00:001
2123773992118,2cyclictest2168909-21latency_hist07:45:021
2123773992118,2cyclictest1635-21dbus-daemon12:40:011
2123773992118,2cyclictest0-21swapper/112:25:011
2123773992116,3cyclictest0-21swapper/112:15:001
2123772992118,2cyclictest2174776-21cron07:50:000
2123772992114,6cyclictest0-21swapper/010:05:000
2123772992112,8cyclictest2348076-21cut09:50:560
2123772992112,8cyclictest0-21swapper/012:40:020
2123772992112,7cyclictest0-21swapper/010:45:020
2123774992017,1cyclictest0-21swapper/209:25:002
2123773992015,3cyclictest2352522-21cstates09:55:521
2123773992010,2cyclictest170550irq/121-eno111:52:001
212377299206,9cyclictest2467372-21kthreadcore11:00:550
2123772992017,2cyclictest1635-21dbus-daemon12:25:010
2123772992014,5cyclictest2420540-21latency_hist10:35:020
2123772992014,2cyclictest170550irq/121-eno109:25:520
2123772992010,5cyclictest2482008-1ssh11:10:110
835298190,2rtkit-daemon0-21swapper/109:40:151
302487291190,2phc2sys0-21swapper/310:00:223
2123774991916,1cyclictest0-21swapper/211:25:532
2123773991916,2cyclictest260-21systemd-journal09:30:001
2123773991916,2cyclictest2551747-21latency_hist11:50:021
2123773991916,2cyclictest2499029-21/usr/sbin/munin11:20:011
2123773991916,2cyclictest2499029-21/usr/sbin/munin11:20:011
2123773991916,2cyclictest2242150-21gdbus08:45:001
212377299199,5cyclictest0-21swapper/010:46:240
2123772991916,2cyclictest2132475-21telnet07:15:510
212377299191,4cyclictest2423052-21cut10:35:580
2123772991913,2cyclictest170550irq/121-eno109:10:550
2123772991911,7cyclictest0-21swapper/012:10:000
212377299191,10cyclictest2576358-1ssh12:02:480
302487291180,2phc2sys0-21swapper/312:12:483
302487291180,2phc2sys0-21swapper/311:01:433
302487291180,2phc2sys0-21swapper/310:09:283
302487291180,2phc2sys0-21swapper/309:28:243
2123774991815,1cyclictest0-21swapper/209:44:232
2123774991814,2cyclictest0-21swapper/209:36:412
2123773991815,2cyclictest2156313-21grep07:35:001
2123773991815,2cyclictest1700-21systemd-logind08:05:001
2123773991815,2cyclictest1-21systemd11:01:001
2123773991814,3cyclictest1631-21gmain11:10:001
2123773991814,2cyclictest2099206-21kworker/u16:2-writeback10:05:011
2123773991813,3cyclictest2412640-21/usr/sbin/munin10:31:001
212377299188,4cyclictest2248658-21telnet08:50:490
212377299187,6cyclictest0-21swapper/011:00:020
212377299186,7cyclictest2334268-21diskmemload09:45:440
2123772991816,1cyclictest2516576-21cron11:30:000
212377299181,5cyclictest2447503-21aten2.4-expect10:50:500
212377299181,5cyclictest2386778-21aten2.4-expect10:15:510
2123772991815,2cyclictest2217517-21turbostat08:25:000
2123772991815,2cyclictest0-21swapper/009:10:020
212377299181,3cyclictest2313695-21awk09:31:060
212377299181,2cyclictest2175171-21apt-get07:50:480
2123772991812,5cyclictest2491192-21aten2.4-expect11:15:500
2123772991812,5cyclictest2491192-21aten2.4-expect11:15:500
2123772991811,6cyclictest2543785-21cstates11:45:520
2123772991811,6cyclictest0-21swapper/011:30:530
2123772991811,3cyclictest2229652-21perf08:39:560
2123772991810,7cyclictest0-21swapper/010:00:020
212377299180,5cyclictest2317727-21sed09:35:540
835298170,2rtkit-daemon0-21swapper/110:08:421
302487291171,2phc2sys0-21swapper/312:35:013
302487291170,2phc2sys0-21swapper/310:34:333
302487291170,2phc2sys0-21swapper/309:59:543
302487291170,1phc2sys0-21swapper/310:44:103
2123774991715,1cyclictest0-21swapper/210:30:012
2123774991714,1cyclictest0-21swapper/212:10:002
2123774991714,1cyclictest0-21swapper/211:50:012
2123774991714,1cyclictest0-21swapper/211:20:022
2123774991714,1cyclictest0-21swapper/211:20:022
2123774991714,1cyclictest0-21swapper/210:46:262
2123774991714,1cyclictest0-21swapper/210:01:352
2123774991714,1cyclictest0-21swapper/208:20:002
2123773991714,2cyclictest2508060-21munin-plugin-st11:25:011
2123773991714,2cyclictest2295866-21proc_pri09:20:591
2123773991714,2cyclictest2129850-21munin-plugin-st07:15:011
2123773991714,2cyclictest1652-1atopacctd11:25:581
212377299177,6cyclictest2535145-21cut11:40:510
212377299176,2cyclictest170550irq/121-eno111:20:490
212377299172,9cyclictest2193728-21aten2.4-expect08:05:520
212377299172,7cyclictest2481120-21sh11:09:170
2123772991714,2cyclictest2283042-21gltestperf09:16:010
2123772991714,2cyclictest2218200-21cpuspeed_turbos08:25:510
2123772991714,2cyclictest2163524-21gltestperf07:40:520
2123772991714,2cyclictest2149880-21unixbench_singl07:26:020
2123772991712,4cyclictest2598277-21kthreadcore12:15:560
2123772991712,4cyclictest2203358-21kthreadcore08:10:580
212377299170,11cyclictest2290878-21aten2.4-expect09:20:490
302487291161,2phc2sys0-21swapper/310:58:063
302487291160,2phc2sys0-21swapper/312:18:373
302487291160,2phc2sys0-21swapper/312:07:593
302487291160,2phc2sys0-21swapper/309:44:553
2123774991614,1cyclictest0-21swapper/207:15:022
2123774991613,2cyclictest0-21swapper/211:35:562
2123774991613,1cyclictest0-21swapper/212:20:532
2123774991613,1cyclictest0-21swapper/212:15:002
2123774991613,1cyclictest0-21swapper/211:55:562
2123774991613,1cyclictest0-21swapper/211:30:092
2123774991613,1cyclictest0-21swapper/211:05:012
2123774991613,1cyclictest0-21swapper/210:10:002
2123774991613,1cyclictest0-21swapper/209:50:012
2123774991613,1cyclictest0-21swapper/209:10:002
2123774991613,1cyclictest0-21swapper/207:20:002
2123774991610,3cyclictest0-21swapper/209:55:482
212377399168,3cyclictest170550irq/121-eno112:30:001
2123773991613,2cyclictest2583069-21kthreadcore12:05:541
2123773991613,2cyclictest2132544-21cpu07:15:511
2123773991612,3cyclictest2528880-21kthreadcore11:35:551
2123773991612,2cyclictest2099206-21kworker/u16:2-events_unbound11:15:011
212377299169,6cyclictest0-21swapper/011:55:560
212377299165,7cyclictest2254739-21aten2.4-expect08:55:500
212377299165,6cyclictest2150753-21aten2.4-expect07:30:520
212377299165,4cyclictest2621669-21sshd12:30:000
212377299164,7cyclictest2156848-21aten2.4-expect07:36:150
212377299162,9cyclictest2325773-21aten2.4-expect09:40:540
2123772991614,1cyclictest2248143-21cut08:50:000
2123772991613,2cyclictest2552731-21cut11:50:510
2123772991613,2cyclictest2124646-21fschecks_count07:10:520
2123772991613,2cyclictest0-21swapper/008:00:010
2123772991611,4cyclictest2405774-21kthreadcore10:25:560
2123772991611,1cyclictest170550irq/121-eno110:11:010
21180662161,6sleep02118342-21expr07:05:500
302487291151,4phc2sys0-21swapper/310:15:493
302487291150,2phc2sys0-21swapper/311:25:203
302487291150,2phc2sys0-21swapper/309:49:163
302487291150,2phc2sys0-21swapper/309:15:313
2123774991513,1cyclictest0-21swapper/211:15:022
2123774991513,1cyclictest0-21swapper/209:00:022
2123774991513,1cyclictest0-21swapper/207:30:012
2123774991512,1cyclictest0-21swapper/212:30:592
2123774991512,1cyclictest0-21swapper/210:25:002
2123774991512,1cyclictest0-21swapper/210:11:042
2123774991512,1cyclictest0-21swapper/208:55:002
2123774991512,1cyclictest0-21swapper/208:29:152
2123774991512,1cyclictest0-21swapper/208:00:012
2123774991511,2cyclictest0-21swapper/209:17:002
212377399159,5cyclictest2426048-21cat10:35:591
2123773991512,2cyclictest2452172-21head10:50:591
2123773991512,2cyclictest2405282-21kthreadcore10:25:561
2123773991512,2cyclictest2275153-21kthreadcore09:10:551
2123773991512,2cyclictest2187193-21/usr/sbin/munin08:00:011
2123773991512,2cyclictest2174824-21sh07:50:011
2123773991512,2cyclictest2123770-21cyclictest07:20:531
2123773991512,2cyclictest0-21swapper/110:20:011
2123773991512,2cyclictest0-21swapper/110:15:011
2123773991512,2cyclictest0-21swapper/108:55:001
2123773991511,3cyclictest2563990-21kthreadcore11:55:561
2123773991511,3cyclictest2537647-21kthreadcore11:40:581
2123773991511,3cyclictest2520253-21kthreadcore11:30:581
2123773991511,3cyclictest2318338-21kthreadcore09:35:571
2123773991511,3cyclictest2264824-21kthreadcore09:00:551
2123773991511,3cyclictest2202476-21kthreadcore08:10:571
2123773991510,4cyclictest2211998-21cpu08:20:511
2123773991510,3cyclictest2270515-21kthreadcore09:05:561
212377299156,5cyclictest2526689-21grep11:35:510
212377299153,7cyclictest2205815-21aten2.4-expect08:15:500
2123772991512,2cyclictest0-21swapper/012:10:560
2123772991511,3cyclictest2370686-21kthreadcore10:05:570
2123772991511,2cyclictest0-21swapper/008:31:000
212377299150,3cyclictest241rcuc/007:20:500
302487291141,5phc2sys0-21swapper/307:25:483
302487291140,4phc2sys0-21swapper/309:11:543
302487291140,3phc2sys0-21swapper/311:07:333
302487291140,2phc2sys0-21swapper/311:52:263
302487291140,2phc2sys0-21swapper/311:37:353
302487291140,2phc2sys0-21swapper/310:39:563
302487291140,2phc2sys0-21swapper/307:05:373
2123774991412,1cyclictest0-21swapper/211:10:012
2123774991411,1cyclictest0-21swapper/212:35:492
2123774991411,1cyclictest0-21swapper/212:29:252
2123774991411,1cyclictest0-21swapper/212:15:272
2123774991411,1cyclictest0-21swapper/212:02:162
2123774991411,1cyclictest0-21swapper/210:41:022
2123774991411,1cyclictest0-21swapper/210:35:302
2123774991411,1cyclictest0-21swapper/210:30:562
2123774991411,1cyclictest0-21swapper/208:40:542
2123774991411,1cyclictest0-21swapper/207:55:012
2123774991410,2cyclictest0-21swapper/211:20:512
2123774991410,2cyclictest0-21swapper/209:10:522
212377499140,9cyclictest0-21swapper/209:25:472
212377399148,2cyclictest170550irq/121-eno112:30:261
2123773991412,1cyclictest8351-21rtkit-daemon08:33:241
2123773991412,1cyclictest2403155-21idleruntime-cro10:25:001
2123773991411,2cyclictest2570489-21fschecks_count12:00:541
2123773991411,2cyclictest2342528-21apt-key09:50:011
2123773991411,2cyclictest2229986-21/usr/sbin/munin08:35:531
2123773991411,2cyclictest2199350-21latency_hist08:10:001
2123773991410,3cyclictest2222025-21kthreadcore08:25:571
2123773991410,3cyclictest2207050-21kthreadcore08:15:571
2123773991410,3cyclictest2177436-21kthreadcore07:50:551
212377399140,7cyclictest2290264-21munin-plugin-st09:20:011
212377299148,5cyclictest0-21swapper/008:00:320
212377299146,4cyclictest170550irq/121-eno109:00:470
2123772991411,2cyclictest2238879-21kthreadcore08:40:580
302487291130,2phc2sys0-21swapper/311:23:233
302487291130,2phc2sys0-21swapper/310:28:433
302487291130,2phc2sys0-21swapper/310:23:233
302487291130,2phc2sys0-21swapper/309:32:293
212377499131,3cyclictest21936052sleep208:05:512
2123774991311,1cyclictest0-21swapper/211:40:582
2123774991311,1cyclictest0-21swapper/211:00:012
2123774991311,1cyclictest0-21swapper/208:15:012
2123774991311,1cyclictest0-21swapper/207:35:042
2123774991310,1cyclictest0-21swapper/208:45:542
2123774991310,1cyclictest0-21swapper/208:35:552
2123774991310,1cyclictest0-21swapper/208:30:522
212377499130,8cyclictest0-21swapper/211:50:482
2123773991310,2cyclictest2345423-21kthreadcore09:50:531
2123773991310,2cyclictest2309433-21irqrtprio09:30:591
212377399130,4cyclictest0-21swapper/110:40:291
302487291120,3phc2sys0-21swapper/312:00:283
302487291120,3phc2sys0-21swapper/310:50:483
302487291120,2phc2sys0-21swapper/311:15:293
302487291120,2phc2sys0-21swapper/311:15:293
302487291120,2phc2sys0-21swapper/309:04:123
302487291120,2phc2sys0-21swapper/308:42:083
302487291120,2phc2sys0-21swapper/308:10:093
212377499129,1cyclictest0-21swapper/209:50:472
212377499129,1cyclictest0-21swapper/209:31:012
212377499129,1cyclictest0-21swapper/208:00:582
212377499129,1cyclictest0-21swapper/207:45:542
212377499129,1cyclictest0-21swapper/207:25:012
2123774991210,1cyclictest0-21swapper/210:50:022
2123774991210,1cyclictest0-21swapper/209:05:012
2123774991210,1cyclictest0-21swapper/208:21:272
2123774991210,1cyclictest0-21swapper/207:40:562
212377399129,2cyclictest2150237-21idleruntime-cro07:30:001
212377399128,3cyclictest1652-1atopacctd08:45:551
302487291111,2phc2sys0-21swapper/309:50:523
302487291111,2phc2sys0-21swapper/309:05:483
302487291111,2phc2sys0-21swapper/308:50:493
302487291110,3phc2sys0-21swapper/311:55:573
302487291110,3phc2sys0-21swapper/308:50:013
302487291110,2phc2sys0-21swapper/310:10:563
21789742110,2sleep30-21swapper/307:50:563
212377499119,1cyclictest0-21swapper/207:30:582
21179342111,5sleep20-21swapper/207:05:482
302487291102,3phc2sys0-21swapper/307:15:503
302487291101,4phc2sys0-21swapper/307:10:483
302487291101,3phc2sys0-21swapper/312:28:233
302487291101,2phc2sys0-21swapper/309:23:353
302487291100,3phc2sys0-21swapper/308:25:533
302487291100,3phc2sys0-21swapper/307:30:583
302487291100,2phc2sys0-21swapper/312:20:503
302487291100,2phc2sys0-21swapper/309:36:063
302487291100,2phc2sys0-21swapper/307:40:483
302487291100,2phc2sys0-21swapper/307:20:523
302487291100,1phc2sys0-21swapper/308:09:343
302487291100,1phc2sys0-21swapper/307:59:353
26385662100,2sleep30-21swapper/312:39:133
212377399100,6cyclictest0-21swapper/107:10:021
30248729193,3phc2sys0-21swapper/308:20:533
30248729191,4phc2sys0-21swapper/308:30:483
30248729190,2phc2sys0-21swapper/308:56:143
30248729190,2phc2sys0-21swapper/308:37:113
30248729190,2phc2sys0-21swapper/308:15:553
30248729190,2phc2sys0-21swapper/308:00:233
30248729190,2phc2sys0-21swapper/307:45:493
30248729190,2phc2sys0-21swapper/307:35:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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