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2026-04-05 - 19:56
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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 Sun Apr 05, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252404599140,12cyclictest0-21swapper/310:30:133
252404599140,12cyclictest0-21swapper/310:30:133
252404599130,11cyclictest0-21swapper/310:45:113
252404599129,1cyclictest0-21swapper/309:10:133
2524045991211,0cyclictest0-21swapper/308:10:133
252404599120,1cyclictest0-21swapper/309:15:103
252404599120,11cyclictest0-21swapper/309:59:563
252404599120,11cyclictest0-21swapper/308:04:553
252404599120,0cyclictest0-21swapper/307:15:123
2524045991111,0cyclictest0-21swapper/310:55:193
2524045991111,0cyclictest0-21swapper/310:35:163
2524045991110,0cyclictest0-21swapper/310:15:103
252404599110,9cyclictest0-21swapper/310:05:123
252404599110,10cyclictest0-21swapper/311:30:163
252404599110,10cyclictest0-21swapper/308:30:163
252404599110,10cyclictest0-21swapper/307:25:113
252404599110,0cyclictest0-21swapper/309:45:013
252404599109,0cyclictest0-21swapper/312:35:113
252404599109,0cyclictest0-21swapper/308:55:123
252404599108,1cyclictest0-21swapper/308:25:113
252404599108,0cyclictest0-21swapper/310:40:133
2524045991010,0cyclictest0-21swapper/311:50:183
2524045991010,0cyclictest0-21swapper/311:00:173
2524045991010,0cyclictest0-21swapper/310:11:103
2524045991010,0cyclictest0-21swapper/308:20:153
2524045991010,0cyclictest0-21swapper/308:15:193
252404599100,9cyclictest0-21swapper/312:20:003
252404599100,9cyclictest0-21swapper/310:20:133
252404599100,0cyclictest0-21swapper/312:10:123
252404599100,0cyclictest0-21swapper/311:15:163
252404599100,0cyclictest0-21swapper/309:04:473
252404599100,0cyclictest0-21swapper/307:50:123
25240459999,0cyclictest0-21swapper/312:20:173
25240459999,0cyclictest0-21swapper/311:05:123
25240459999,0cyclictest0-21swapper/308:45:013
25240459999,0cyclictest0-21swapper/307:30:123
25240459998,0cyclictest0-21swapper/312:25:133
25240459998,0cyclictest0-21swapper/311:20:163
25240459990,9cyclictest0-21swapper/310:00:183
25240459990,8cyclictest0-21swapper/311:35:193
25240459990,8cyclictest0-21swapper/311:25:183
25240459990,8cyclictest0-21swapper/309:05:183
2523288291,5sleep30-21swapper/307:05:203
14039890,2rtkit-daemon622-21wpa_supplicant07:09:101
25240459988,0cyclictest0-21swapper/312:05:013
25240459988,0cyclictest0-21swapper/309:25:183
25240459988,0cyclictest0-21swapper/308:05:203
25240459988,0cyclictest0-21swapper/307:40:163
25240459987,0cyclictest0-21swapper/311:45:133
25240459987,0cyclictest0-21swapper/309:50:123
25240459980,0cyclictest0-21swapper/308:50:013
14039880,2rtkit-daemon328-21plymouthd10:44:251
25240459977,0cyclictest0-21swapper/312:05:013
25240459977,0cyclictest0-21swapper/307:55:153
25240459976,1cyclictest0-21swapper/310:50:183
25240459976,0cyclictest0-21swapper/311:55:123
25240459970,0cyclictest0-21swapper/309:50:013
25240459966,0cyclictest0-21swapper/312:30:123
25240459966,0cyclictest0-21swapper/310:25:193
25240459966,0cyclictest0-21swapper/309:37:173
25240459966,0cyclictest0-21swapper/309:30:183
25240459966,0cyclictest0-21swapper/309:20:113
25240459955,0cyclictest0-21swapper/311:44:143
25240459955,0cyclictest0-21swapper/307:10:193
25240459954,0cyclictest0-21swapper/307:21:363
14039850,3rtkit-daemon1-21systemd10:01:571
2600277240,2sleep02600398-21cat10:20:010
2562223240,3sleep02562450-21/usr/sbin/munin08:45:190
2553585240,2sleep12553611-21apt-get08:25:111
2531824242,2sleep1766-21snmpd07:26:441
25240459944,0cyclictest0-21swapper/311:10:123
25240459944,0cyclictest0-21swapper/308:36:323
25240459944,0cyclictest0-21swapper/307:35:123
25240459940,4cyclictest0-21swapper/308:50:163
25240459940,3cyclictest2538239-21chrt07:45:023
2523570242,1sleep20-21swapper/207:06:032
2522947241,1sleep00-21swapper/007:05:170
14039840,2rtkit-daemon766-21snmpd09:52:071
14039840,2rtkit-daemon2571522-21df09:10:141
14039840,2rtkit-daemon1-21systemd12:27:282
14039840,2rtkit-daemon1-21systemd11:52:572
14039840,2rtkit-daemon1-21systemd09:59:391
14039840,1rtkit-daemon2598467-21apt-get10:15:101
14039840,1rtkit-daemon1-21systemd12:30:332
14039840,0rtkit-daemon0-21swapper/211:59:072
2638513230,2sleep02638785-21expr11:50:150
2563662230,2sleep02563831-21cat08:50:160
2526571230,1sleep22526597-21apt-get07:15:122
14039830,2rtkit-daemon769-21ntpd09:01:511
14039830,2rtkit-daemon2525987-21munin-node10:27:071
14039830,2rtkit-daemon2525987-21munin-node08:30:181
14039830,1rtkit-daemon772-21lldpd08:10:161
14039830,1rtkit-daemon769-21ntpd07:49:071
14039830,1rtkit-daemon769-21ntpd07:12:221
14039830,1rtkit-daemon766-21snmpd12:20:222
14039830,1rtkit-daemon691-21gmain10:33:121
14039830,1rtkit-daemon691-21gmain10:33:121
14039830,1rtkit-daemon622-21wpa_supplicant12:09:142
14039830,1rtkit-daemon622-21wpa_supplicant09:40:381
14039830,1rtkit-daemon622-21wpa_supplicant09:31:371
14039830,1rtkit-daemon328-21plymouthd11:22:122
14039830,1rtkit-daemon328-21plymouthd09:23:021
14039830,1rtkit-daemon328-21plymouthd08:55:481
14039830,1rtkit-daemon328-21plymouthd08:50:131
14039830,1rtkit-daemon2658648-21unixbench_multi12:35:182
14039830,1rtkit-daemon2619952-21memory11:05:151
14039830,1rtkit-daemon2525987-21munin-node12:12:112
14039830,1rtkit-daemon2525987-21munin-node12:00:162
14039830,1rtkit-daemon2525987-21munin-node10:45:561
14039830,1rtkit-daemon2525987-21munin-node09:29:031
14039830,1rtkit-daemon2525987-21munin-node08:35:271
14039830,1rtkit-daemon2525987-21munin-node07:50:041
14039830,1rtkit-daemon1410-21sendmail-mta11:42:152
14039830,1rtkit-daemon1-21systemd12:15:192
14039830,1rtkit-daemon1-21systemd11:46:192
14039830,1rtkit-daemon1-21systemd11:39:552
14039830,1rtkit-daemon1-21systemd11:34:022
14039830,1rtkit-daemon1-21systemd11:16:361
14039830,1rtkit-daemon1-21systemd11:10:561
14039830,1rtkit-daemon1-21systemd11:04:281
14039830,1rtkit-daemon1-21systemd10:59:161
14039830,1rtkit-daemon1-21systemd10:07:221
14039830,1rtkit-daemon1-21systemd09:47:141
14039830,1rtkit-daemon1-21systemd08:23:441
14039830,1rtkit-daemon1-21systemd07:24:501
14039830,1rtkit-daemon0-21swapper/109:35:171
14039830,0rtkit-daemon328-21plymouthd10:37:491
14039830,0rtkit-daemon328-21plymouthd07:35:431
14039830,0rtkit-daemon0-21swapper/109:15:341
2657415220,1sleep10-21swapper/112:35:111
2654890220,1sleep00-21swapper/012:28:210
2650896220,1sleep02650952-21munin-run12:20:010
2644385220,1sleep12644833-21cat12:05:011
2641946220,1sleep00-21swapper/011:57:030
2631173220,1sleep12631177-21ssh11:31:191
2629434220,1sleep00-21swapper/011:29:220
2627766220,1sleep22627968-21sort11:25:102
2615631220,1sleep02615780-21cat10:55:150
2606797220,1sleep0328-21plymouthd10:35:090
2588446220,0sleep00-21swapper/009:50:150
2586400220,1sleep02586552-21memory09:45:150
2581287220,0sleep00-21swapper/009:32:580
2572337220,0sleep00-21swapper/009:10:210
2569183220,0sleep02569209-21apt-get09:05:130
2547830220,0sleep02547856-21apt-get08:10:130
2544036220,1sleep00-21swapper/008:00:130
2536341220,0sleep00-21swapper/007:40:110
2535673220,0sleep00-21swapper/007:37:020
14039820,1rtkit-daemon769-21ntpd08:00:111
14039820,1rtkit-daemon691-21gmain08:45:041
14039820,1rtkit-daemon328-21plymouthd08:06:061
14039820,1rtkit-daemon2525987-21munin-node07:40:431
14039820,1rtkit-daemon1410-21sendmail-mta07:30:051
14039820,1rtkit-daemon1-21systemd10:10:281
14039820,0rtkit-daemon328-21plymouthd11:20:081
14039820,0rtkit-daemon328-21plymouthd10:50:471
14039820,0rtkit-daemon328-21plymouthd10:20:011
14039820,0rtkit-daemon328-21plymouthd09:05:081
14039820,0rtkit-daemon328-21plymouthd08:40:501
14039820,0rtkit-daemon0-21swapper/108:15:121
14039820,0rtkit-daemon0-21swapper/107:55:251
14039820,0rtkit-daemon0-21swapper/107:15:031
2657169210,0sleep00-21swapper/012:35:020
2657163210,0sleep10-21swapper/112:34:591
2655396210,0sleep00-21swapper/012:30:130
2654578210,0sleep10-21swapper/112:25:341
2651920210,0sleep10-21swapper/112:20:171
2651173210,0sleep00-21swapper/012:20:130
2650036210,0sleep10-21swapper/112:15:171
2647040210,0sleep10-21swapper/112:10:131
2646982210,0sleep02647039-21stty12:10:120
2644887210,1sleep00-21swapper/012:05:040
2643892210,0sleep10-21swapper/112:00:371
2642993210,0sleep00-21swapper/012:00:160
2641072210,0sleep10-21swapper/111:55:161
2639780210,0sleep10-21swapper/111:51:161
2637913210,0sleep10-21swapper/111:48:121
2637200210,0sleep00-21swapper/011:45:190
2634471210,0sleep10-21swapper/111:40:151
2634199210,1sleep00-21swapper/011:40:060
2632593210,0sleep00-21swapper/011:35:180
2632122210,0sleep10-21swapper/111:35:151
2631077210,0sleep00-21swapper/011:30:260
2627676210,0sleep10-21swapper/111:25:101
2625862210,0sleep00-21swapper/011:20:130
2623927210,0sleep20-21swapper/211:15:152
2623526210,0sleep00-21swapper/011:15:130
2623189210,0sleep20-21swapper/211:14:352
2621414210,0sleep02621466-21aten2.4-expect11:10:120
2620197210,0sleep20-21swapper/211:05:182
2619914210,0sleep00-21swapper/011:05:160
2617861210,0sleep00-21swapper/011:00:160
2617514210,0sleep20-21swapper/211:00:142
2615268210,0sleep20-21swapper/210:55:132
2614809210,0sleep20-21swapper/210:54:172
2614231210,0sleep00-21swapper/010:50:190
2612326210,0sleep00-21swapper/010:45:430
2611073210,0sleep20-21swapper/210:45:132
2609351210,0sleep22608906-21/usr/sbin/munin10:40:162
2606244210,0sleep00-21swapper/010:32:220
2606244210,0sleep00-21swapper/010:32:220
2606076210,0sleep20-21swapper/210:30:522
2606076210,0sleep20-21swapper/210:30:522
2604169210,0sleep20-21swapper/210:27:272
2603953210,0sleep00-21swapper/010:25:300
2601910210,0sleep00-21swapper/010:20:490
2600547210,0sleep20-21swapper/210:20:112
2598439210,0sleep20-21swapper/210:15:112
2597471210,0sleep00-21swapper/010:10:210
2596501210,0sleep20-21swapper/210:10:152
2595076210,0sleep20-21swapper/210:05:182
2594285210,0sleep00-21swapper/010:05:120
2593636210,0sleep00-21swapper/010:01:320
2592387210,0sleep20-21swapper/210:00:142
2590892210,0sleep20-21swapper/209:55:182
2590096210,0sleep00-21swapper/009:55:120
2588697210,0sleep20-21swapper/209:50:172
2587377210,1sleep20-21swapper/209:46:372
2585163210,0sleep20-21swapper/209:40:252
2584576210,0sleep00-21swapper/009:40:190
2581755210,0sleep20-21swapper/209:35:082
2580335210,0sleep20-21swapper/209:30:162
2577454210,0sleep20-21swapper/209:25:122
2576280210,0sleep20-21swapper/209:20:192
2575404210,0sleep00-21swapper/009:20:130
2574808210,0sleep20-21swapper/209:19:232
2573553210,0sleep00-21swapper/009:15:130
2571286210,0sleep20-21swapper/209:10:152
2569975210,0sleep20-21swapper/209:05:192
2567271210,0sleep00-21swapper/009:00:120
2565075210,0sleep00-21swapper/008:55:110
2562919210,0sleep20-21swapper/208:50:022
2561970210,0sleep20-21swapper/208:45:172
2560768210,1sleep20-21swapper/208:41:572
2557989210,0sleep20-21swapper/208:35:172
2557675210,0sleep00-21swapper/008:35:150
2555944210,1sleep00-21swapper/008:30:140
2553614210,0sleep20-21swapper/208:25:122
2552779210,0sleep20-21swapper/208:20:202
2551798210,0sleep00-21swapper/008:20:140
2551402210,1sleep00-21swapper/008:19:570
2549795210,0sleep20-21swapper/208:15:112
2547983210,0sleep20-21swapper/208:10:152
2547477210,0sleep20-21swapper/208:08:432
2547428210,1sleep00-21swapper/008:08:050
2542860210,0sleep20-21swapper/207:55:182
2542073210,0sleep00-21swapper/007:55:120
2541404210,0sleep00-21swapper/007:50:200
2538868210,0sleep00-21swapper/007:45:160
2536234210,0sleep20-21swapper/207:40:012
2534302210,0sleep20-21swapper/207:35:132
2533633210,0sleep00-21swapper/007:30:230
2532968210,0sleep20-21swapper/207:30:172
2532073210,1sleep00-21swapper/007:29:550
2530171210,0sleep20-21swapper/207:25:002
2528507210,0sleep20-21swapper/207:20:122
2526725210,0sleep00-21swapper/007:15:140
2525552210,0sleep00-21swapper/007:11:020
2524198210,0sleep20-21swapper/207:10:122
2608885200,0sleep00-21swapper/010:40:020
2606785200,0sleep20-21swapper/210:35:042
2581746200,0sleep00-21swapper/009:35:010
2576947200,0sleep00-21swapper/009:25:020
2567257200,0sleep20-21swapper/209:00:022
2565062200,0sleep20-21swapper/208:55:022
2559333200,0sleep00-21swapper/008:40:030
2555490200,0sleep20-21swapper/208:30:042
2553574200,0sleep00-21swapper/008:25:020
2543995200,0sleep20-21swapper/208:00:032
2540149200,0sleep20-21swapper/207:50:022
2538238200,0sleep20-21swapper/207:45:012
2528495200,0sleep00-21swapper/007:20:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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