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2025-12-09 - 19:36
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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 Tue Dec 09, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
254753621110,2sleep30-21swapper/309:30:103
275902621010,2sleep30-21swapper/311:30:103
2361792992623,2cyclictest2817595-21apt-config12:05:011
2361790992623,1cyclictest0-21swapper/011:35:000
2361792992519,2cyclictest170550irq/121-eno112:10:151
2361792992515,3cyclictest2702860-21runrttasks10:59:211
2361793992420,2cyclictest0-21swapper/209:50:012
2361792992418,2cyclictest170550irq/121-eno111:35:011
2361792992412,3cyclictest2637628-21kthreadcore10:20:101
2361790992417,6cyclictest2878792-21latency_hist12:40:020
2361790992415,5cyclictest2831096-21kthreadcore12:10:160
2361793992320,1cyclictest0-21swapper/212:20:002
2361793992320,1cyclictest0-21swapper/210:50:002
2361792992316,3cyclictest2589704-21/usr/sbin/munin09:55:101
2361792992315,3cyclictest2538819-21kthreadcore09:25:091
2361792992313,3cyclictest2738704-21/usr/sbin/munin11:20:111
2361792992313,3cyclictest2608967-21kthreadcore10:05:101
2361792992312,2cyclictest170550irq/121-eno109:40:001
2361790992312,6cyclictest0-21swapper/010:10:010
2361793992219,1cyclictest0-21swapper/209:40:002
2361792992219,2cyclictest2667865-21latency_hist10:40:011
2361792992219,2cyclictest1-21systemd07:50:011
2361792992212,3cyclictest2792308-21irqcore11:50:091
2361792992211,3cyclictest0-21swapper/109:05:021
2361790992216,5cyclictest2751066-21kthreadcore11:25:120
302487291210,2phc2sys0-21swapper/311:51:593
2361793992118,1cyclictest0-21swapper/208:00:002
2361792992118,2cyclictest2580946-21apt-config09:50:011
2361792992118,2cyclictest0-21swapper/108:20:001
2361792992115,2cyclictest170550irq/121-eno109:10:131
2361792992112,3cyclictest2783200-21cstates11:45:321
2361792992111,4cyclictest0-21swapper/111:00:031
2361792992110,6cyclictest0-21swapper/112:15:021
236179099214,9cyclictest2781122-1ssh11:43:140
2361790992118,2cyclictest2361789-21cyclictest12:25:140
2361790992118,2cyclictest1-21systemd10:05:010
2361790992115,5cyclictest2766045-21irqcore11:35:100
2361790992110,7cyclictest2729817-21latency_hist11:15:020
2361793992017,1cyclictest0-21swapper/210:15:032
2361793992017,1cyclictest0-21swapper/209:55:022
2361793992017,1cyclictest0-21swapper/209:00:082
236179299208,6cyclictest170550irq/121-eno111:40:001
2361792992017,2cyclictest2844795-21irqcore12:20:071
2361792992017,2cyclictest2523025-21kthreadcore09:15:191
2361792992017,2cyclictest2406872-21systemd-run07:45:011
2361792992017,2cyclictest0-21swapper/109:55:001
2361792992010,3cyclictest2717335-21/usr/sbin/munin11:05:131
236179099209,7cyclictest2733949-21cut11:15:130
236179099209,7cyclictest2580729-21mktemp09:50:010
236179099209,6cyclictest2808565-21munin-run12:00:010
2361790992017,2cyclictest2835771-21fschecks_time12:15:050
2361790992017,2cyclictest2624527-21apt10:15:010
2361790992015,4cyclictest2466806-21cut08:30:110
2361790992012,7cyclictest2664050-21kthreadcore10:35:130
2361790992011,5cyclictest2546696-21cut09:30:070
2361790992011,5cyclictest2534257-21grep09:20:220
2361790992011,5cyclictest2425038-21munin-run08:00:000
302487291190,2phc2sys0-21swapper/312:02:133
302487291190,2phc2sys0-21swapper/307:30:093
236179399196,6cyclictest0-21swapper/211:40:012
236179399192,9cyclictest0-21swapper/212:40:012
2361793991917,1cyclictest0-21swapper/212:30:022
2361793991916,1cyclictest0-21swapper/211:15:012
2361793991914,3cyclictest0-21swapper/210:50:062
2361792991916,2cyclictest2860990-21systemd-run12:30:001
2361792991916,2cyclictest2730561-21fschecks_count11:15:081
2361792991916,2cyclictest2729404-21apt-key11:15:001
2361792991916,2cyclictest2619828-21kthreadcore10:10:131
2361792991916,2cyclictest2456877-21tr08:25:021
2361792991916,2cyclictest2426341-21gltestperf08:00:081
2361792991916,2cyclictest0-21swapper/111:45:001
2361792991910,4cyclictest0-21swapper/109:35:001
2361792991910,2cyclictest0-21swapper/109:25:011
236179099199,6cyclictest2852423-21unin-run12:25:010
236179099199,6cyclictest2624654-21stty10:15:020
2361790991916,2cyclictest2669393-21irqrtprio10:40:080
2361790991916,2cyclictest2652015-21kthreadcore10:30:090
2361790991916,2cyclictest2643397-21kthreadcore10:25:110
2361790991916,2cyclictest2482273-21tr08:45:090
2361790991916,2cyclictest2431533-21apt-key08:05:000
2361790991916,2cyclictest1700-21systemd-logind12:10:000
2361790991916,2cyclictest1700-21systemd-logind12:10:000
2361790991916,1cyclictest0-21swapper/007:50:020
2361790991912,1cyclictest170550irq/121-eno109:50:040
2361790991910,5cyclictest2677839-21tune2fs10:45:080
2361790991910,2cyclictest0-21swapper/010:25:010
236179099190,14cyclictest2480730-21munin-run08:45:000
302487291182,2phc2sys0-21swapper/309:18:533
302487291181,5phc2sys0-21swapper/310:39:093
302487291180,2phc2sys0-21swapper/312:36:283
302487291180,2phc2sys0-21swapper/311:36:523
302487291180,2phc2sys0-21swapper/310:25:423
2361793991816,1cyclictest0-21swapper/209:55:122
2361793991815,1cyclictest0-21swapper/212:05:012
2361793991815,1cyclictest0-21swapper/211:30:012
2361793991815,1cyclictest0-21swapper/209:20:012
2361793991815,1cyclictest0-21swapper/209:15:012
236179299184,5cyclictest1-21systemd07:30:021
2361792991815,2cyclictest2475485-21fschecks_time08:40:051
2361792991815,2cyclictest2368462-21fschecks_time07:15:021
2361792991814,2cyclictest0-21swapper/108:15:001
236179099189,6cyclictest2592863-21kthreadcore09:55:100
236179099189,5cyclictest2817970-21munin-run12:05:020
236179099189,5cyclictest2713454-21sed11:05:080
236179099189,5cyclictest2703361-21cat11:00:010
236179099188,3cyclictest2740080-21kthreadcore11:20:110
2361790991815,2cyclictest2687113-21irqcore10:50:080
2361790991815,2cyclictest2516306-21pmu-power09:10:130
2361790991815,2cyclictest2400131-21unixbench-2d07:35:180
2361790991815,2cyclictest1700-21systemd-logind07:10:010
2361790991815,2cyclictest1652-1atopacctd11:05:010
2361790991815,2cyclictest1635-21dbus-daemon09:05:020
2361790991815,2cyclictest1-21systemd08:15:010
2361790991810,5cyclictest241rcuc/007:30:010
2361790991810,4cyclictest0-21swapper/008:20:060
302487291170,2phc2sys0-21swapper/311:11:203
302487291170,2phc2sys0-21swapper/310:02:303
236179399171,8cyclictest0-21swapper/207:30:012
2361793991715,1cyclictest0-21swapper/210:30:022
2361793991714,1cyclictest0-21swapper/207:30:062
2361793991714,1cyclictest0-21swapper/207:15:132
236179299179,3cyclictest0-21swapper/110:15:031
236179299177,3cyclictest2499277-21latency_hist09:00:021
236179299176,3cyclictest36-21ksoftirqd/109:40:131
236179299171,6cyclictest0-21swapper/107:15:011
236179299171,6cyclictest0-21swapper/107:15:011
2361792991714,2cyclictest2468587-21sh08:35:011
2361792991714,2cyclictest2462417-21latency_hist08:30:011
2361792991714,2cyclictest2425462-21latency_hist08:00:011
2361792991714,2cyclictest1635-21dbus-daemon08:40:011
236179099179,5cyclictest2799879-21apt-get11:55:020
236179099179,4cyclictest0-21swapper/011:45:320
236179099179,4cyclictest0-21swapper/009:40:110
236179099179,1cyclictest0-21swapper/009:25:020
236179099176,7cyclictest2519764-21/usr/sbin/munin09:15:100
236179099176,6cyclictest2555316-21cstates09:35:060
2361790991714,2cyclictest2402510-21kthreadcore07:40:110
2361790991714,2cyclictest2389969-21irqrtprio07:30:070
2361790991714,2cyclictest2377169-21fschecks_time07:20:060
2361790991714,2cyclictest2362058-21tail07:10:030
2361790991714,2cyclictest2362058-21tail07:10:030
2361790991714,2cyclictest0-21swapper/009:00:010
236179099170,7cyclictest2511331-21latency_hist09:10:020
302487291160,4phc2sys0-21swapper/312:13:553
302487291160,3phc2sys0-21swapper/311:44:543
302487291160,3phc2sys0-21swapper/309:10:363
302487291160,2phc2sys0-21swapper/312:25:103
302487291160,2phc2sys0-21swapper/310:44:583
302487291160,2phc2sys0-21swapper/310:34:443
2361793991614,1cyclictest0-21swapper/211:10:022
2361793991614,1cyclictest0-21swapper/208:25:012
2361793991614,1cyclictest0-21swapper/208:09:322
2361793991613,1cyclictest0-21swapper/208:50:002
2361793991613,1cyclictest0-21swapper/208:05:002
2361793991612,2cyclictest0-21swapper/209:22:492
236179299169,6cyclictest170550irq/121-eno112:30:441
236179299165,4cyclictest2603367-21cat10:00:121
2361792991613,2cyclictest2642259-21cpu10:25:051
2361792991613,2cyclictest2419242-21latency_hist07:55:021
2361792991613,2cyclictest2361789-21cyclictest08:10:021
2361792991613,2cyclictest0-21swapper/112:40:021
2361792991612,2cyclictest0-21swapper/109:05:001
2361792991611,3cyclictest170550irq/121-eno112:05:121
2361792991611,3cyclictest170550irq/121-eno112:05:121
2361792991611,3cyclictest0-21swapper/110:50:021
2361792991610,5cyclictest1652-1atopacctd11:28:501
236179099169,4cyclictest2432241-21cpuspeed_turbos08:05:040
236179099163,3cyclictest2471555-21ps08:35:090
236179099161,5cyclictest0-21swapper/012:30:140
2361790991613,2cyclictest2414466-21kernelversion07:50:070
2361790991613,2cyclictest2376198-21latency_hist07:20:000
2361790991613,2cyclictest2361789-21cyclictest08:50:110
302487291150,5phc2sys0-21swapper/309:28:103
302487291150,4phc2sys0-21swapper/308:00:193
302487291150,2phc2sys0-21swapper/310:23:013
236179399159,4cyclictest27809542sleep211:42:522
236179399155,2cyclictest0-21swapper/208:14:482
236179399153,1cyclictest0-21swapper/208:51:192
236179399152,2cyclictest0-21swapper/210:56:392
236179399151,8cyclictest0-21swapper/211:22:532
236179399151,7cyclictest0-21swapper/212:00:012
2361793991513,1cyclictest0-21swapper/212:10:012
2361793991513,1cyclictest0-21swapper/212:10:012
2361793991513,1cyclictest0-21swapper/209:45:022
2361793991513,1cyclictest0-21swapper/207:50:022
2361793991513,1cyclictest0-21swapper/207:45:022
2361793991512,2cyclictest0-21swapper/212:20:052
2361793991512,1cyclictest0-21swapper/211:45:372
2361793991512,1cyclictest0-21swapper/210:25:002
2361793991512,1cyclictest0-21swapper/209:09:552
236179299156,2cyclictest1106-21hwrng10:31:411
236179299155,2cyclictest11systemd08:55:021
236179299154,4cyclictest2394787-21cat07:35:021
236179299153,4cyclictest0-21swapper/110:43:331
236179299153,3cyclictest2481001-21aten2.4-expect08:45:031
2361792991512,2cyclictest2800138-21aten_repower_vo11:55:041
236179299150,6cyclictest2400649-21perf07:40:001
236179099156,4cyclictest2444288-21/usr/sbin/munin08:15:050
2361790991510,3cyclictest2460146-21cut08:25:080
302487291143,2phc2sys0-21swapper/311:20:573
302487291141,2phc2sys0-21swapper/310:47:133
302487291140,2phc2sys0-21swapper/312:22:493
302487291140,2phc2sys0-21swapper/311:04:143
302487291140,2phc2sys0-21swapper/309:56:253
302487291140,2phc2sys0-21swapper/309:36:503
236179399149,3cyclictest24688822sleep208:35:032
236179399144,2cyclictest0-21swapper/208:58:162
236179399142,2cyclictest0-21swapper/208:40:412
236179399142,2cyclictest0-21swapper/208:16:362
2361793991412,1cyclictest0-21swapper/212:10:132
236179399141,1cyclictest0-21swapper/209:30:062
2361793991411,1cyclictest0-21swapper/211:50:102
2361793991411,1cyclictest0-21swapper/211:15:202
2361793991411,1cyclictest0-21swapper/211:01:462
2361793991411,1cyclictest0-21swapper/210:44:422
2361793991411,1cyclictest0-21swapper/210:35:182
2361793991411,1cyclictest0-21swapper/210:10:162
2361793991411,1cyclictest0-21swapper/210:05:162
2361793991411,1cyclictest0-21swapper/210:00:232
2361793991411,1cyclictest0-21swapper/209:27:522
2361793991411,1cyclictest0-21swapper/208:30:122
2361793991411,1cyclictest0-21swapper/207:10:022
236179299147,2cyclictest191rcu_preempt07:10:021
236179299145,1cyclictest170550irq/121-eno107:20:031
2361792991411,2cyclictest2361789-21cyclictest10:45:121
302487291131,5phc2sys0-21swapper/311:30:023
302487291130,3phc2sys0-21swapper/310:57:543
302487291130,3phc2sys0-21swapper/309:42:463
302487291130,3phc2sys0-21swapper/308:43:593
302487291130,3phc2sys0-21swapper/307:35:023
302487291130,3phc2sys0-21swapper/307:17:203
302487291130,2phc2sys0-21swapper/310:51:283
302487291130,2phc2sys0-21swapper/310:11:433
302487291130,2phc2sys0-21swapper/309:53:083
302487291130,2phc2sys0-21swapper/307:11:423
302487291130,2phc2sys0-21swapper/307:11:423
24506642130,2sleep30-21swapper/308:20:063
236179399132,2cyclictest0-21swapper/210:31:582
2361793991311,1cyclictest0-21swapper/212:30:062
2361793991311,1cyclictest0-21swapper/211:30:072
2361793991311,1cyclictest0-21swapper/207:10:102
2361793991311,1cyclictest0-21swapper/207:10:102
2361793991310,1cyclictest0-21swapper/208:25:142
2361793991310,1cyclictest0-21swapper/207:35:092
302487291120,2phc2sys0-21swapper/311:18:333
302487291120,2phc2sys0-21swapper/308:49:043
302487291120,2phc2sys0-21swapper/307:23:283
2361793991210,1cyclictest0-21swapper/207:50:052
2361793991210,1cyclictest0-21swapper/207:20:092
302487291111,3phc2sys0-21swapper/312:17:123
302487291110,3phc2sys0-21swapper/310:18:093
302487291110,3phc2sys0-21swapper/307:45:123
302487291110,2phc2sys0-21swapper/310:09:073
302487291110,1phc2sys0-21swapper/309:08:363
302487291101,2phc2sys0-21swapper/308:15:023
302487291100,4phc2sys0-21swapper/308:50:033
302487291100,3phc2sys0-21swapper/312:30:023
302487291100,3phc2sys0-21swapper/311:45:263
302487291100,3phc2sys0-21swapper/308:33:123
302487291100,2phc2sys0-21swapper/312:05:463
302487291100,2phc2sys0-21swapper/312:05:463
302487291100,2phc2sys0-21swapper/311:55:163
302487291100,2phc2sys0-21swapper/311:05:193
302487291100,2phc2sys0-21swapper/309:47:313
302487291100,2phc2sys0-21swapper/309:20:463
302487291100,2phc2sys0-21swapper/308:55:053
302487291100,2phc2sys0-21swapper/307:55:023
302487291100,2phc2sys0-21swapper/307:41:223
302487291100,2phc2sys0-21swapper/307:30:013
302487291100,1phc2sys0-21swapper/308:39:543
30248729190,2phc2sys0-21swapper/309:04:553
30248729190,2phc2sys0-21swapper/308:25:083
30248729190,2phc2sys0-21swapper/308:15:063
30248729190,2phc2sys0-21swapper/308:10:013
30248729190,2phc2sys0-21swapper/307:55:063
30248729190,2phc2sys0-21swapper/307:05:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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