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2026-05-19 - 13:26
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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 792 highest latencies:
System rack1slot3.osadl.org (updated Tue May 19, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
273941699130,11cyclictest0-21swapper/308:15:133
273941699120,8cyclictest0-21swapper/311:00:133
273941699120,1cyclictest0-21swapper/311:56:543
273941699120,11cyclictest0-21swapper/311:15:193
273941699120,11cyclictest0-21swapper/308:00:173
273941699120,11cyclictest0-21swapper/307:55:013
273941699120,11cyclictest0-21swapper/307:15:223
273941699120,10cyclictest0-21swapper/307:38:463
273941699110,10cyclictest0-21swapper/311:50:113
273941699110,10cyclictest0-21swapper/307:50:013
273941699110,0cyclictest0-21swapper/312:10:133
273941699110,0cyclictest0-21swapper/309:15:133
273941699110,0cyclictest0-21swapper/308:55:143
273941699110,0cyclictest0-21swapper/308:50:123
273941699109,0cyclictest0-21swapper/310:55:143
273941699109,0cyclictest0-21swapper/309:10:123
273941699109,0cyclictest0-21swapper/308:40:163
273941699109,0cyclictest0-21swapper/308:10:133
2739416991010,0cyclictest0-21swapper/312:05:033
2739416991010,0cyclictest0-21swapper/311:40:123
2739416991010,0cyclictest0-21swapper/311:20:123
2739416991010,0cyclictest0-21swapper/310:45:123
2739416991010,0cyclictest0-21swapper/309:35:113
2739416991010,0cyclictest0-21swapper/308:40:013
273941699100,9cyclictest0-21swapper/309:40:113
273941699100,0cyclictest0-21swapper/312:30:193
273941699100,0cyclictest0-21swapper/310:50:133
273941699100,0cyclictest0-21swapper/309:20:153
27394169999,0cyclictest0-21swapper/311:05:203
27394169999,0cyclictest0-21swapper/310:15:433
27394169999,0cyclictest0-21swapper/308:05:103
27394169998,0cyclictest0-21swapper/311:35:153
27394169996,2cyclictest2815465-21chrt10:20:123
27394169990,9cyclictest0-21swapper/312:05:013
27394169990,9cyclictest0-21swapper/310:10:173
27394169990,7cyclictest0-21swapper/309:55:133
27394169990,0cyclictest0-21swapper/307:40:143
27394169988,0cyclictest0-21swapper/312:27:203
27394169988,0cyclictest0-21swapper/311:45:173
27394169988,0cyclictest0-21swapper/310:40:173
27394169988,0cyclictest0-21swapper/310:35:143
27394169988,0cyclictest0-21swapper/309:30:023
27394169988,0cyclictest0-21swapper/307:30:003
27394169987,0cyclictest0-21swapper/307:35:013
27394169984,0cyclictest0-21swapper/310:30:113
27394169980,0cyclictest0-21swapper/307:10:123
2737644281,5sleep30-21swapper/307:05:133
27394169977,0cyclictest0-21swapper/312:24:553
27394169977,0cyclictest0-21swapper/310:05:173
27394169977,0cyclictest0-21swapper/309:54:253
27394169977,0cyclictest0-21swapper/307:20:173
27394169976,0cyclictest0-21swapper/309:45:153
27394169976,0cyclictest0-21swapper/309:05:193
27394169970,7cyclictest0-21swapper/311:25:183
27394169966,0cyclictest0-21swapper/311:10:203
27394169966,0cyclictest0-21swapper/308:20:163
27394169966,0cyclictest0-21swapper/307:55:193
27394169965,0cyclictest0-21swapper/312:15:013
27394169955,0cyclictest0-21swapper/308:32:423
27394169954,0cyclictest0-21swapper/311:30:193
27394169950,5cyclictest0-21swapper/310:00:143
27394169950,4cyclictest0-21swapper/310:25:173
27394169950,4cyclictest0-21swapper/308:45:153
2811713240,0sleep12811246-21/usr/sbin/munin10:10:141
27394169944,0cyclictest0-21swapper/312:35:593
27394169944,0cyclictest0-21swapper/309:25:463
27394169944,0cyclictest0-21swapper/309:00:183
27394169943,0cyclictest0-21swapper/308:25:153
2738993241,0sleep00-21swapper/007:06:220
2738984242,1sleep10-21swapper/107:06:151
2737605242,1sleep20-21swapper/207:05:042
2850927230,2sleep22851113-21latency_hist11:45:002
2849533230,2sleep12849620-21uname11:40:161
2750411230,2sleep22750545-21grep07:35:182
2743620230,2sleep22743871-21latency_hist07:20:012
2867205220,1sleep12867354-21python312:20:181
2864794220,1sleep00-21swapper/012:15:170
2862204220,1sleep02862229-21apt12:10:120
2859924220,1sleep22860050-21apt-key12:05:022
2857498220,1sleep10-21swapper/112:00:001
2855781220,1sleep22855854-21cat11:55:172
2847766220,1sleep22847858-21/usr/sbin/munin11:35:172
2843335220,0sleep00-21swapper/011:25:180
2838056220,0sleep00-21swapper/011:14:250
2835185220,1sleep02835266-21awk11:05:210
2828600220,1sleep20-21swapper/210:50:182
2825332220,1sleep00-21swapper/010:42:310
2823510220,0sleep00-21swapper/010:39:580
2819598220,1sleep02819624-21apt-get10:30:100
2815591220,1sleep02815864-21/usr/sbin/munin10:20:140
2804982220,1sleep10-21swapper/109:55:121
2800819220,1sleep12800874-21telnet09:45:131
2798735220,0sleep02798765-21apt-get09:40:110
2792966220,1sleep22793176-21ntpq09:25:162
2792630220,0sleep00-21swapper/009:25:140
2784608220,1sleep22784686-21gltestperf09:05:152
2778229220,1sleep10-21swapper/108:50:011
2761649220,0sleep00-21swapper/008:05:130
2755225220,1sleep00-21swapper/007:49:570
2748220220,0sleep00-21swapper/007:30:150
2746239220,1sleep12746316-21irqstats07:25:161
2742711220,0sleep00-21swapper/007:15:170
2873647210,0sleep20-21swapper/212:35:192
2873514210,0sleep10-21swapper/112:35:181
2871020210,0sleep20-21swapper/212:30:162
2870294210,0sleep00-21swapper/012:30:020
2869860210,0sleep10-21swapper/112:26:111
2869264210,0sleep00-21swapper/012:25:180
2868464210,0sleep20-21swapper/212:25:122
2867933210,0sleep00-21swapper/012:22:340
2866823210,0sleep20-21swapper/212:20:152
2865656210,0sleep10-21swapper/112:16:021
2863518210,0sleep20-21swapper/212:10:312
2862822210,0sleep12862979-21ntpq12:10:181
2860144210,0sleep00-21swapper/012:05:120
2859605210,0sleep10-21swapper/112:05:011
2859121210,0sleep10-21swapper/112:00:451
2858498210,0sleep20-21swapper/212:00:182
2855378210,0sleep00-21swapper/011:55:160
2853318210,0sleep10-21swapper/111:50:131
2853259210,0sleep00-21swapper/011:50:120
2853009210,0sleep20-21swapper/211:50:012
2851946210,0sleep20-21swapper/211:45:172
2851190210,0sleep10-21swapper/111:45:121
2849285210,0sleep00-21swapper/011:40:150
2847609210,0sleep10-21swapper/111:35:161
2847489210,0sleep02847608-21memory11:35:150
2845622210,0sleep20-21swapper/211:30:202
2845371210,0sleep00-21swapper/011:30:170
2843948210,0sleep10-21swapper/111:26:031
2843917210,0sleep20-21swapper/211:25:482
2841900210,0sleep00-21swapper/011:21:220
2841820210,1sleep10-21swapper/111:20:391
2840486210,0sleep20-21swapper/211:20:122
2839883210,0sleep20-21swapper/211:17:072
2838836210,0sleep00-21swapper/011:15:170
2838081210,0sleep20-21swapper/211:14:392
2836392210,0sleep10-21swapper/111:10:141
2834249210,0sleep20-21swapper/211:05:152
2833964210,0sleep10-21swapper/111:05:021
2833547210,0sleep00-21swapper/011:01:200
2832787210,0sleep20-21swapper/211:00:172
2832137210,0sleep12832164-21dpkg11:00:131
2830554210,0sleep20-21swapper/210:55:182
2829415210,1sleep00-21swapper/010:51:470
2827950210,0sleep10-21swapper/110:50:131
2826880210,0sleep10-21swapper/110:45:201
2826224210,0sleep00-21swapper/010:45:150
2825871210,0sleep20-21swapper/210:45:132
2825283210,0sleep10-21swapper/110:42:041
2823512210,0sleep20-21swapper/210:40:012
2822652210,0sleep20-21swapper/210:35:212
2822478210,0sleep10-21swapper/110:35:191
2820213210,0sleep10-21swapper/110:30:151
2819751210,0sleep20-21swapper/210:30:122
2819208210,0sleep20-21swapper/210:28:482
2819205210,0sleep10-21swapper/110:28:471
2817612210,0sleep00-21swapper/010:25:140
2817123210,0sleep10-21swapper/110:23:461
2815436210,0sleep20-21swapper/210:20:112
2814264210,0sleep22814373-21find10:15:202
2813078210,0sleep00-21swapper/010:15:010
2812093210,0sleep00-21swapper/010:10:170
2811867210,0sleep20-21swapper/210:10:152
2810135210,0sleep20-21swapper/210:05:192
2809884210,0sleep00-21swapper/010:05:170
2809452210,0sleep10-21swapper/110:05:141
2808575210,0sleep10-21swapper/110:02:021
2808470210,1sleep00-21swapper/010:01:050
2806462210,0sleep00-21swapper/009:56:550
2804175210,0sleep00-21swapper/009:50:200
2803157210,0sleep20-21swapper/209:50:142
2802647210,0sleep10-21swapper/109:50:011
2801791210,0sleep00-21swapper/009:45:200
2800878210,0sleep20-21swapper/209:45:142
2798893210,0sleep20-21swapper/209:40:122
2798454210,0sleep20-21swapper/209:39:572
2797867210,0sleep10-21swapper/109:35:201
2797664210,0sleep00-21swapper/009:35:190
2796162210,0sleep10-21swapper/109:31:561
2795322210,0sleep20-21swapper/209:30:172
2793419210,0sleep10-21swapper/109:25:191
2791949210,0sleep20-21swapper/209:22:242
2791016210,0sleep10-21swapper/109:20:151
2790881210,0sleep00-21swapper/009:20:140
2789729210,0sleep10-21swapper/109:15:261
2789066210,0sleep00-21swapper/009:15:170
2788851210,0sleep20-21swapper/209:15:162
2787984210,0sleep10-21swapper/109:13:071
2786406210,0sleep00-21swapper/009:10:090
2785516210,0sleep00-21swapper/009:05:210
2780578210,0sleep00-21swapper/008:55:170
2779270210,0sleep20-21swapper/208:50:182
2779186210,0sleep10-21swapper/108:50:171
2778984210,0sleep02779181-21strings08:50:160
2777850210,0sleep00-21swapper/008:45:200
2776930210,0sleep20-21swapper/208:45:142
2775694210,0sleep00-21swapper/008:40:200
2772721210,0sleep10-21swapper/108:35:111
2772323210,1sleep00-21swapper/008:33:070
2772096210,0sleep10-21swapper/108:30:201
2771551210,0sleep20-21swapper/208:30:172
2769329210,0sleep20-21swapper/208:25:172
2769053210,0sleep10-21swapper/108:25:161
2768928210,0sleep00-21swapper/008:25:150
2768640210,0sleep10-21swapper/108:24:551
2767141210,0sleep00-21swapper/008:20:140
2766987210,0sleep20-21swapper/208:20:112
2765497210,0sleep20-21swapper/208:15:162
2765041210,0sleep10-21swapper/108:15:031
2763519210,0sleep20-21swapper/208:10:162
2762897210,0sleep00-21swapper/008:10:020
2761848210,0sleep20-21swapper/208:05:152
2759054210,0sleep00-21swapper/008:00:010
2758280210,0sleep20-21swapper/207:55:192
2757543210,0sleep10-21swapper/107:55:131
2757418210,0sleep00-21swapper/007:55:130
2757013210,0sleep20-21swapper/207:53:232
2756769210,0sleep00-21swapper/007:50:210
2755233210,0sleep10-21swapper/107:50:021
2754869210,0sleep20-21swapper/207:45:222
2753598210,0sleep10-21swapper/107:45:131
2753013210,1sleep00-21swapper/007:41:040
2752694210,0sleep20-21swapper/207:40:172
2751389210,0sleep10-21swapper/107:40:011
2750121210,0sleep00-21swapper/007:35:160
2749649210,0sleep10-21swapper/107:35:131
2747741210,0sleep10-21swapper/107:30:121
2746598210,0sleep00-21swapper/007:25:190
2745553210,0sleep20-21swapper/207:25:012
2744857210,0sleep10-21swapper/107:20:201
2744057210,0sleep00-21swapper/007:20:150
2743889210,0sleep20-21swapper/207:20:132
2742219210,0sleep10-21swapper/107:15:151
2740548210,0sleep10-21swapper/107:10:191
2740093210,0sleep20-21swapper/207:10:162
2739746210,0sleep00-21swapper/007:10:140
2872675200,0sleep00-21swapper/012:35:020
2870796200,0sleep10-21swapper/112:30:031
2864260200,0sleep20-21swapper/212:15:032
2857762200,0sleep00-21swapper/012:00:040
2851164200,0sleep00-21swapper/011:45:030
2844633200,0sleep10-21swapper/111:30:031
2838363200,0sleep10-21swapper/111:15:011
2830017200,0sleep00-21swapper/010:55:040
2829777200,0sleep10-21swapper/110:55:011
2813313200,0sleep10-21swapper/110:15:021
2807069200,0sleep20-21swapper/210:00:032
2804964200,0sleep20-21swapper/209:55:022
2798722200,0sleep10-21swapper/109:40:041
2794687200,0sleep00-21swapper/009:30:030
2786398200,0sleep20-21swapper/209:10:032
2783988200,0sleep10-21swapper/109:05:021
2782314200,0sleep00-21swapper/009:00:050
2782310200,0sleep20-21swapper/209:00:022
2782055200,0sleep10-21swapper/109:00:021
2780378200,0sleep20-21swapper/208:55:032
2780145200,0sleep10-21swapper/108:55:021
2774645200,0sleep10-21swapper/108:40:051
2774385200,0sleep20-21swapper/208:40:022
2772710200,0sleep00-21swapper/008:35:020
2772475200,0sleep20-21swapper/208:35:012
2765040200,0sleep00-21swapper/008:15:020
2763130200,0sleep10-21swapper/108:10:031
2761220200,0sleep10-21swapper/108:05:021
2759311200,0sleep20-21swapper/208:00:032
2759309200,0sleep10-21swapper/108:00:021
2747464200,0sleep20-21swapper/207:30:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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