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2026-09-10 - 02:46
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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 Wed Sep 09, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24094162980,2sleep20-21swapper/209:08:182
24933622500,2sleep30-21swapper/309:54:383
25594082340,2sleep10-21swapper/110:33:401
224770699249,8cyclictest0-21swapper/011:54:140
2247706992213,6cyclictest2592885-21appstreamcli10:50:020
2247706992213,6cyclictest2592885-21appstreamcli10:50:020
2447398210,3rtkit-daemon2548839-21munin-run10:25:020
2247707992118,2cyclictest24648-21gmain09:56:191
2447398200,2rtkit-daemon241rcuc/011:02:350
2247708992016,2cyclictest0-21swapper/211:23:592
224770699209,7cyclictest376-21systemd-journal09:20:020
2247706992012,5cyclictest2554071-21kthreadcore10:29:380
2247708991916,1cyclictest0-21swapper/207:55:012
2247708991916,1cyclictest0-21swapper/207:55:012
2247708991916,1cyclictest0-21swapper/207:44:392
2247707991916,2cyclictest376-21systemd-journal11:40:011
2247707991916,2cyclictest2334301-21gltestperf08:14:331
2247707991911,3cyclictest2486498-21latency_hist09:50:011
2247707991910,3cyclictest501rcuop/209:42:391
2247706991913,2cyclictest17850irq/132-ahci[0000:00:17.0]10:10:000
2247706991913,1cyclictest2354261-21apt-get08:29:140
224770699191,2cyclictest2639209-21/usr/sbin/munin11:19:400
224770699190,17cyclictest2497681-21/usr/sbin/munin09:59:310
27845882180,0sleep02784592-21tr12:39:390
2247708991815,1cyclictest0-21swapper/211:55:592
2247708991815,1cyclictest0-21swapper/209:19:132
2247708991814,2cyclictest0-21swapper/207:20:012
224770899180,4cyclictest24417102sleep209:24:432
224770799185,8cyclictest2583989-21awk10:45:011
2247707991815,2cyclictest2723178-21kthreadcore12:04:381
2247707991814,3cyclictest2704420-21kthreadcore11:54:381
2247707991811,3cyclictest2527846-21kthreadcore10:14:381
2247707991810,3cyclictest501rcuop/210:20:591
224770699187,6cyclictest0-21swapper/010:14:160
224770699185,8cyclictest2264478-21sshd-session07:23:210
224770699185,7cyclictest2439943-21kthreadcore09:24:390
224770699183,5cyclictest1188-21runrttasks11:56:030
2247706991815,2cyclictest2601876-21systemd-run10:55:020
2247706991811,6cyclictest2486672-21systemctl09:50:010
224770699180,11cyclictest2774743-21ssh12:34:370
2213291180,2phc2sys0-21swapper/312:27:493
2213291180,2phc2sys0-21swapper/311:45:233
2247708991714,1cyclictest0-21swapper/212:39:442
2247708991714,1cyclictest0-21swapper/210:19:322
2247708991714,1cyclictest0-21swapper/210:04:382
224770799176,6cyclictest0-21swapper/109:29:141
2247707991715,2cyclictest351ktimers/109:00:551
2247707991714,2cyclictest932-1atopacctd09:34:331
2247707991713,3cyclictest2414352-21kthreadcore09:09:411
224770699179,4cyclictest2469448-21kworker/u16:1-nfsiod10:19:330
224770699177,6cyclictest0-21swapper/012:04:370
224770699176,7cyclictest2459336-21ptp4l09:34:410
224770699171,6cyclictest0-21swapper/011:45:190
2247706991714,2cyclictest24815-21gsd-power11:26:460
2213291171,7phc2sys0-21swapper/308:09:163
2213291171,3phc2sys0-21swapper/308:34:143
2213291170,2phc2sys0-21swapper/312:07:483
2213291170,2phc2sys0-21swapper/310:32:513
2447398160,7rtkit-daemon1206-21snmpd10:36:220
2247708991613,1cyclictest0-21swapper/212:29:372
2247708991613,1cyclictest0-21swapper/212:09:172
2247708991613,1cyclictest0-21swapper/211:45:572
2247708991613,1cyclictest0-21swapper/211:44:432
2247708991613,1cyclictest0-21swapper/209:37:592
2247708991613,1cyclictest0-21swapper/208:29:432
2247708991613,1cyclictest0-21swapper/208:04:342
2247708991611,3cyclictest0-21swapper/210:55:032
2247708991611,2cyclictest0-21swapper/209:10:122
224770799169,2cyclictest501rcuop/211:27:301
224770799169,1cyclictest82050irq/121-eno110:55:241
224770799168,4cyclictest798-21mta-sts-daemon09:19:431
224770799168,3cyclictest2388167-21kworker/1:0+events_freezable09:10:341
224770799167,3cyclictest501rcuop/208:09:481
224770799165,4cyclictest0-21swapper/111:04:131
2247707991613,2cyclictest0-21swapper/110:05:011
2247707991612,3cyclictest2710876-21cut11:59:331
2247707991612,3cyclictest2385642-21kthreadcore08:49:371
2247707991610,2cyclictest82050irq/121-eno111:14:371
224770699169,6cyclictest2451290-21latency_hist09:30:020
224770699169,5cyclictest0-21swapper/011:10:020
224770699167,4cyclictest2687368-21kthreadcore11:44:370
224770699166,6cyclictest0-21swapper/010:59:180
2247706991613,2cyclictest2423845-21sed09:14:390
2247706991613,2cyclictest2375575-21cut08:44:340
2247706991613,2cyclictest2350384-21kthreadcore08:24:360
2247706991612,3cyclictest24648-21gmain09:50:070
2247706991612,2cyclictest778-21dbus-daemon10:45:020
224770699161,14cyclictest2395718-21apt-get08:59:140
2247706991610,5cyclictest2631873-21kthreadcore11:14:370
2213291160,3phc2sys0-21swapper/311:40:433
2213291160,2phc2sys0-21swapper/311:59:303
2247708991512,1cyclictest0-21swapper/211:09:362
2247708991512,1cyclictest0-21swapper/210:40:512
2247708991512,1cyclictest0-21swapper/210:14:402
2247708991512,1cyclictest0-21swapper/210:09:392
2247708991512,1cyclictest0-21swapper/209:54:312
2247708991512,1cyclictest0-21swapper/209:49:372
2247708991512,1cyclictest0-21swapper/209:44:432
2247708991512,1cyclictest0-21swapper/209:25:202
2247708991512,1cyclictest0-21swapper/208:53:082
2247708991512,1cyclictest0-21swapper/208:19:372
2247708991512,1cyclictest0-21swapper/207:39:362
2247708991512,1cyclictest0-21swapper/207:24:402
224770899151,11cyclictest0-21swapper/208:34:142
224770799159,2cyclictest501rcuop/210:28:131
224770799159,1cyclictest601rcuop/310:16:101
224770799159,1cyclictest601rcuop/309:23:431
224770799159,1cyclictest601rcuop/308:01:581
224770799159,1cyclictest601rcuop/307:57:131
224770799158,2cyclictest501rcuop/210:49:341
224770799158,2cyclictest501rcuop/210:49:341
224770799157,3cyclictest501rcuop/210:05:401
224770799157,1cyclictest2761511-21ssh12:25:361
224770799156,3cyclictest501rcuop/207:44:271
224770799156,3cyclictest501rcuop/207:25:111
224770799155,3cyclictest501rcuop/208:50:281
2247707991512,2cyclictest813-21systemd-logind12:10:021
2247707991512,2cyclictest2773933-21kthreadcore12:34:361
2247707991512,2cyclictest24618-21llvmpipe-008:37:591
2247707991511,3cyclictest2755884-21kthreadcore12:24:361
2247707991511,3cyclictest2745676-21aten_repower_po12:19:231
2247707991511,3cyclictest2737012-21cpuspeed_turbos12:14:311
2247707991511,3cyclictest2693682-21irqrtprio11:49:351
2247707991511,3cyclictest2684966-21kthreadcore11:44:361
2247707991511,3cyclictest2651726-21kthreadcore11:24:371
2247707991511,3cyclictest2623202-21kthreadcore11:09:391
2247707991511,3cyclictest2572745-21kthreadcore10:39:401
2247707991511,3cyclictest2494060-21kthreadcore09:54:381
2247707991511,3cyclictest24619-21llvmpipe-109:37:591
2247707991511,3cyclictest2396777-21irqcore08:59:351
2247707991511,3cyclictest2377434-21kthreadcore08:44:371
2247707991511,3cyclictest2364157-21kthreadcore08:34:381
2247707991511,3cyclictest2357051-21kthreadcore08:29:361
2247707991511,3cyclictest2348608-21irqrtprio08:24:351
2247707991511,3cyclictest2287770-21kthreadcore07:39:371
2247707991511,3cyclictest2282086-21kthreadcore07:34:381
2247707991511,3cyclictest2268295-21kthreadcore07:24:371
224770699155,5cyclictest2293029-21idleruntime07:44:340
224770699155,5cyclictest0-21swapper/012:09:200
224770699154,9cyclictest2273463-21cut07:29:360
224770699154,5cyclictest2477985-21wc09:45:020
2247706991512,2cyclictest2760664-21unixbench-2d12:24:430
2247706991512,2cyclictest2649031-21gltestperf11:24:330
2247706991512,2cyclictest2506525-21/usr/sbin/munin10:04:400
2247706991512,2cyclictest24472-21rtkit-daemon08:54:050
2247706991512,2cyclictest2248277-21acpi07:14:140
2247706991511,2cyclictest2346881-21latency_hist08:20:020
2213291150,2phc2sys0-21swapper/310:45:463
2213291150,2phc2sys0-21swapper/310:45:463
224770899149,1cyclictest0-21swapper/208:56:132
2247708991412,1cyclictest0-21swapper/211:14:392
2247708991412,1cyclictest0-21swapper/210:59:352
2247708991411,1cyclictest0-21swapper/212:31:572
2247708991411,1cyclictest0-21swapper/212:04:362
2247708991411,1cyclictest0-21swapper/211:53:582
2247708991411,1cyclictest0-21swapper/211:39:252
2247708991411,1cyclictest0-21swapper/211:29:362
2247708991411,1cyclictest0-21swapper/211:19:132
2247708991411,1cyclictest0-21swapper/211:01:592
2247708991411,1cyclictest0-21swapper/210:47:562
2247708991411,1cyclictest0-21swapper/210:47:562
2247708991411,1cyclictest0-21swapper/210:38:182
2247708991411,1cyclictest0-21swapper/210:31:332
2247708991411,1cyclictest0-21swapper/210:27:382
2247708991411,1cyclictest0-21swapper/209:34:372
2247708991411,1cyclictest0-21swapper/208:09:402
224770799148,1cyclictest601rcuop/308:17:291
224770799148,1cyclictest601rcuop/307:46:071
224770799148,1cyclictest601rcuop/307:16:291
224770799148,1cyclictest601rcuop/307:11:161
224770799147,1cyclictest601rcuop/310:53:141
224770799146,3cyclictest501rcuop/211:17:441
224770799146,3cyclictest501rcuop/207:51:361
224770799146,3cyclictest501rcuop/207:51:361
2247707991411,2cyclictest778-21dbus-daemon07:10:011
2247707991410,3cyclictest2666209-21cpuspeed_turbos11:34:321
2247707991410,3cyclictest2469448-21kworker/u16:1+nfsiod12:36:501
224770699146,2cyclictest0-21swapper/012:19:200
224770699144,5cyclictest2388049-21grep08:49:430
224770699141,8cyclictest2463362-21irqcore09:39:360
2247706991411,2cyclictest2736630-21aten_repower_cu12:14:150
2247706991411,2cyclictest2667059-21irqrtprio11:34:360
2247706991411,2cyclictest2564058-21kthreadcore10:34:400
2247706991411,2cyclictest2410635-21sed09:09:380
2247706991411,2cyclictest2408563-21timerandwakeup09:04:420
2247706991411,2cyclictest2368601-21fschecks_count08:39:310
2247706991411,2cyclictest2361841-21gltestperf08:34:330
2247706991411,2cyclictest2325875-21unixbench_multi08:04:440
2247706991411,2cyclictest2258465-21idleruntime07:19:350
2247706991410,3cyclictest24615-21JS14:54:060
224770699140,9cyclictest1-21systemd07:35:030
224770699140,6cyclictest0-21swapper/012:29:410
224770699140,2cyclictest82050irq/121-eno111:39:150
2213291141,2phc2sys0-21swapper/310:01:013
2213291140,2phc2sys0-21swapper/312:02:073
2213291140,2phc2sys0-21swapper/310:59:373
2213291140,1phc2sys0-21swapper/309:29:323
2213291140,1phc2sys0-21swapper/309:12:143
224770899139,2cyclictest0-21swapper/208:44:322
224770899139,2cyclictest0-21swapper/207:29:352
2247708991311,1cyclictest0-21swapper/211:32:522
2247708991311,1cyclictest0-21swapper/209:58:542
2247708991311,1cyclictest0-21swapper/209:04:352
2247708991311,1cyclictest0-21swapper/208:49:362
2247708991311,1cyclictest0-21swapper/208:39:192
2247708991311,1cyclictest0-21swapper/207:14:432
2247708991310,1cyclictest0-21swapper/212:23:062
2247708991310,1cyclictest0-21swapper/212:14:372
2247708991310,1cyclictest0-21swapper/208:24:352
2247708991310,1cyclictest0-21swapper/207:49:392
2247708991310,1cyclictest0-21swapper/207:34:352
224770899130,3cyclictest27434792sleep212:15:042
224770699136,5cyclictest376-21systemd-journal07:49:220
2247706991310,2cyclictest2329315-21kthreadcore08:09:390
2213291135,2phc2sys0-21swapper/310:10:433
2213291134,2phc2sys0-21swapper/308:14:383
2213291134,2phc2sys0-21swapper/308:04:363
2213291131,5phc2sys0-21swapper/311:29:143
2213291130,3phc2sys0-21swapper/307:26:333
2213291130,2phc2sys0-21swapper/312:14:143
2213291130,2phc2sys0-21swapper/309:35:153
2213291130,1phc2sys0-21swapper/309:05:173
2247708991210,1cyclictest0-21swapper/210:21:222
2247708991210,1cyclictest0-21swapper/208:10:032
2247708991210,1cyclictest0-21swapper/207:59:352
224770699129,2cyclictest777-21avahi-daemon07:10:020
224770699125,5cyclictest778-21dbus-daemon07:40:030
224770699123,2cyclictest0-21swapper/007:54:210
224770699123,2cyclictest0-21swapper/007:54:210
224770699120,6cyclictest2335407-21cut08:14:360
2213291121,2phc2sys0-21swapper/311:02:423
2213291120,2phc2sys0-21swapper/309:31:293
2213291120,2phc2sys0-21swapper/309:21:163
2213291120,1phc2sys0-21swapper/311:18:093
2213291120,1phc2sys0-21swapper/309:59:323
2213291113,2phc2sys0-21swapper/310:07:343
2213291111,4phc2sys0-21swapper/310:39:163
2213291111,4phc2sys0-21swapper/310:29:143
2213291111,2phc2sys0-21swapper/312:23:563
2213291111,2phc2sys0-21swapper/310:24:143
2213291111,2phc2sys0-21swapper/308:00:033
2213291110,3phc2sys0-21swapper/309:18:263
2213291110,2phc2sys0-21swapper/312:34:143
2213291110,2phc2sys0-21swapper/311:39:143
2213291110,2phc2sys0-21swapper/309:04:133
2213291110,2phc2sys0-21swapper/308:15:173
2213291110,2phc2sys0-21swapper/307:54:143
2213291110,2phc2sys0-21swapper/307:54:143
2213291110,1phc2sys0-21swapper/311:34:083
2213291110,1phc2sys0-21swapper/310:50:553
2213291110,1phc2sys0-21swapper/308:56:223
2213291110,1phc2sys0-21swapper/307:41:523
2213291110,1phc2sys0-21swapper/307:12:103
27791552106,2sleep30-21swapper/312:35:423
2213291101,4phc2sys0-21swapper/307:09:153
2213291101,3phc2sys0-21swapper/307:40:023
2213291101,2phc2sys0-21swapper/311:21:143
2213291101,2phc2sys0-21swapper/311:11:083
2213291101,2phc2sys0-21swapper/308:36:583
2213291101,1phc2sys0-21swapper/310:42:173
2213291100,3phc2sys0-21swapper/310:19:563
2213291100,3phc2sys0-21swapper/308:54:133
2213291100,2phc2sys0-21swapper/312:15:063
2213291100,2phc2sys0-21swapper/311:54:143
2213291100,2phc2sys0-21swapper/309:40:403
2213291100,1phc2sys0-21swapper/308:48:533
221329191,2phc2sys0-21swapper/308:28:093
221329191,2phc2sys0-21swapper/307:16:433
221329190,2phc2sys0-21swapper/311:05:383
221329190,2phc2sys0-21swapper/309:45:373
221329190,2phc2sys0-21swapper/308:40:033
221329190,2phc2sys0-21swapper/308:24:363
221329190,2phc2sys0-21swapper/307:49:413
221329190,2phc2sys0-21swapper/307:34:143
221329190,2phc2sys0-21swapper/307:22:003
22477089986,1cyclictest0-21swapper/207:10:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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