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2026-04-05 - 00:42
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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 376 highest latencies:
System rack1slot3.osadl.org (updated Sat Apr 04, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2559205991710,6cyclictest0-21swapper/308:25:123
2559205991510,0cyclictest0-21swapper/307:45:133
255920599130,12cyclictest0-21swapper/307:25:113
255920599130,11cyclictest0-21swapper/311:35:113
255920599130,11cyclictest0-21swapper/309:05:113
2559205991211,0cyclictest0-21swapper/312:10:123
255920599120,1cyclictest0-21swapper/312:05:133
255920599120,1cyclictest0-21swapper/311:25:133
255920599120,11cyclictest0-21swapper/312:35:013
255920599120,11cyclictest0-21swapper/312:15:173
255920599120,10cyclictest0-21swapper/311:10:113
255920599118,1cyclictest0-21swapper/309:15:133
2559205991111,0cyclictest0-21swapper/311:15:123
2559205991111,0cyclictest0-21swapper/308:35:183
2559205991111,0cyclictest0-21swapper/308:15:013
255920599110,10cyclictest0-21swapper/311:00:223
255920599110,10cyclictest0-21swapper/310:30:013
255920599110,10cyclictest0-21swapper/307:35:133
255920599110,0cyclictest0-21swapper/312:25:153
255920599110,0cyclictest0-21swapper/310:30:113
255920599110,0cyclictest0-21swapper/310:10:103
255920599110,0cyclictest0-21swapper/310:05:133
255920599110,0cyclictest0-21swapper/309:25:013
255920599110,0cyclictest0-21swapper/308:50:173
255920599109,0cyclictest0-21swapper/310:35:153
2559205991010,0cyclictest0-21swapper/311:50:123
2559205991010,0cyclictest0-21swapper/310:45:173
2559205991010,0cyclictest0-21swapper/309:40:163
2559205991010,0cyclictest0-21swapper/307:20:193
255920599100,9cyclictest0-21swapper/310:45:003
255920599100,0cyclictest0-21swapper/311:55:183
25592059999,0cyclictest0-21swapper/312:00:173
25592059999,0cyclictest0-21swapper/311:20:153
25592059999,0cyclictest0-21swapper/310:50:183
25592059999,0cyclictest0-21swapper/310:20:183
25592059999,0cyclictest0-21swapper/309:55:193
25592059999,0cyclictest0-21swapper/309:00:183
25592059999,0cyclictest0-21swapper/308:55:163
25592059999,0cyclictest0-21swapper/307:59:563
25592059998,0cyclictest0-21swapper/309:10:123
25592059998,0cyclictest0-21swapper/308:20:153
25592059998,0cyclictest0-21swapper/307:50:123
25592059990,8cyclictest0-21swapper/309:35:023
25592059988,0cyclictest0-21swapper/311:05:173
25592059988,0cyclictest0-21swapper/309:30:013
25592059988,0cyclictest0-21swapper/308:05:123
25592059988,0cyclictest0-21swapper/307:40:123
25592059988,0cyclictest0-21swapper/307:15:153
25592059988,0cyclictest0-21swapper/307:15:003
25592059987,0cyclictest0-21swapper/312:20:193
2559014281,3sleep30-21swapper/307:09:563
25592059977,0cyclictest0-21swapper/310:00:183
25592059970,7cyclictest0-21swapper/308:05:003
25592059966,0cyclictest0-21swapper/310:55:143
25592059966,0cyclictest0-21swapper/310:15:163
25592059966,0cyclictest0-21swapper/308:45:123
25592059965,0cyclictest0-21swapper/309:35:123
25592059960,6cyclictest0-21swapper/312:40:023
25592059950,4cyclictest0-21swapper/307:30:183
14039850,2rtkit-daemon0-21swapper/107:05:091
25592059944,0cyclictest0-21swapper/311:45:303
25592059944,0cyclictest0-21swapper/308:40:123
25592059943,0cyclictest0-21swapper/308:15:133
25592059941,1cyclictest0-21swapper/311:40:133
25592059940,3cyclictest2665897-21chrt11:30:473
25592059940,3cyclictest2590565-21chrt08:30:073
25592059940,2cyclictest0-21swapper/309:50:123
25592059940,2cyclictest0-21swapper/309:45:123
2557780241,1sleep00-21swapper/007:05:160
2557389241,1sleep20-21swapper/207:05:142
14039840,2rtkit-daemon766-21snmpd12:37:541
14039840,2rtkit-daemon766-21snmpd10:44:571
14039840,2rtkit-daemon766-21snmpd10:36:271
14039840,2rtkit-daemon766-21snmpd10:27:071
14039840,2rtkit-daemon766-21snmpd09:21:111
14039840,2rtkit-daemon691-21gmain08:30:231
14039840,2rtkit-daemon622-21wpa_supplicant11:01:041
14039840,2rtkit-daemon2632971-21apt-get10:15:121
14039840,2rtkit-daemon2561214-21munin-node11:43:281
14039840,2rtkit-daemon1-21systemd12:12:571
14039840,2rtkit-daemon1-21systemd11:48:581
14039840,2rtkit-daemon1-21systemd10:11:351
14039840,2rtkit-daemon1-21systemd07:12:501
14039840,1rtkit-daemon2684346-21df_inode12:15:151
2688263230,2sleep02688540-21df_inode12:25:160
2644187230,2sleep22644389-21grep10:40:162
2590569230,1sleep22590597-21apt-get08:30:112
14039830,2rtkit-daemon766-21snmpd09:07:261
14039830,2rtkit-daemon691-21gmain09:10:151
14039830,2rtkit-daemon2657496-21pool-udisksd11:10:361
14039830,2rtkit-daemon1410-21sendmail-mta08:00:301
14039830,2rtkit-daemon1410-21sendmail-mta07:40:141
14039830,2rtkit-daemon1410-21sendmail-mta07:30:551
14039830,2rtkit-daemon1-21systemd10:56:111
14039830,2rtkit-daemon1-21systemd10:05:171
14039830,1rtkit-daemon769-21ntpd12:06:531
14039830,1rtkit-daemon766-21snmpd09:59:021
14039830,1rtkit-daemon766-21snmpd08:50:051
14039830,1rtkit-daemon440-21systemd-udevd11:55:591
14039830,1rtkit-daemon328-21plymouthd10:50:481
14039830,1rtkit-daemon328-21plymouthd10:04:561
14039830,1rtkit-daemon328-21plymouthd09:50:381
14039830,1rtkit-daemon328-21plymouthd07:50:161
14039830,1rtkit-daemon328-21plymouthd07:20:541
14039830,1rtkit-daemon2660398-21apt-get11:20:111
14039830,1rtkit-daemon2561214-21munin-node11:26:101
14039830,1rtkit-daemon2561214-21munin-node10:45:281
14039830,1rtkit-daemon2561214-21munin-node10:34:481
14039830,1rtkit-daemon2561214-21munin-node09:39:491
14039830,1rtkit-daemon2117-21packagekitd12:20:041
14039830,1rtkit-daemon2117-21packagekitd11:09:451
14039830,1rtkit-daemon1410-21sendmail-mta08:12:251
14039830,1rtkit-daemon1-21systemd12:26:061
14039830,1rtkit-daemon1-21systemd11:36:481
14039830,1rtkit-daemon1-21systemd11:31:241
14039830,1rtkit-daemon1-21systemd10:21:551
14039830,1rtkit-daemon1-21systemd09:48:321
14039830,1rtkit-daemon1-21systemd09:30:431
14039830,1rtkit-daemon1-21systemd09:25:581
14039830,1rtkit-daemon1-21systemd09:17:171
14039830,1rtkit-daemon1-21systemd09:00:151
14039830,1rtkit-daemon1-21systemd08:24:211
14039830,0rtkit-daemon328-21plymouthd08:17:201
14039830,0rtkit-daemon328-21plymouthd07:45:221
2693243220,1sleep22693482-21grep12:35:192
2691269220,1sleep02691487-21users12:30:200
2680785220,1sleep00-21swapper/012:05:500
2646541220,1sleep02646690-21/usr/sbin/munin10:45:170
2641184220,1sleep00-21swapper/010:33:520
2624594220,1sleep20-21swapper/209:55:132
2622950220,1sleep22623034-21irqstats09:50:162
2621049220,1sleep22621207-21ntp_states09:45:162
2617493220,0sleep00-21swapper/009:35:220
2610989220,0sleep00-21swapper/009:20:170
2606653220,1sleep0418-21systemd-journal09:10:150
2569827220,1sleep12569960-21sed07:35:151
2567470220,1sleep22567496-21apt-get07:30:122
14039820,1rtkit-daemon2561214-21munin-node09:40:221
14039820,1rtkit-daemon2117-21packagekitd07:55:341
14039820,1rtkit-daemon1-21systemd11:50:501
14039820,0rtkit-daemon328-21plymouthd08:25:071
14039820,0rtkit-daemon0-21swapper/112:31:421
14039820,0rtkit-daemon0-21swapper/112:00:141
14039820,0rtkit-daemon0-21swapper/111:15:231
14039820,0rtkit-daemon0-21swapper/108:55:021
14039820,0rtkit-daemon0-21swapper/108:45:061
14039820,0rtkit-daemon0-21swapper/108:40:031
14039820,0rtkit-daemon0-21swapper/108:35:021
14039820,0rtkit-daemon0-21swapper/108:05:061
14039820,0rtkit-daemon0-21swapper/107:25:231
14039820,0rtkit-daemon0-21swapper/107:15:071
2693575210,0sleep00-21swapper/012:35:200
2691010210,0sleep20-21swapper/212:30:182
2687854210,0sleep20-21swapper/212:25:022
2686021210,0sleep00-21swapper/012:20:110
2685749210,0sleep20-21swapper/212:20:022
2684968210,0sleep20-21swapper/212:15:212
2684174210,0sleep00-21swapper/012:15:160
2683033210,0sleep00-21swapper/012:12:200
2681630210,0sleep20-21swapper/212:10:132
2680794210,0sleep20-21swapper/212:05:562
2678658210,0sleep00-21swapper/012:00:270
2677326210,0sleep20-21swapper/212:00:052
2675853210,0sleep20-21swapper/211:55:172
2675220210,0sleep00-21swapper/011:55:020
2672986210,0sleep00-21swapper/011:50:140
2671636210,0sleep00-21swapper/011:45:180
2670811210,0sleep20-21swapper/211:45:122
2670197210,1sleep00-21swapper/011:41:450
2669703210,0sleep20-21swapper/211:40:202
2667932210,0sleep00-21swapper/011:35:210
2665710210,0sleep20-21swapper/211:30:192
2664675210,0sleep00-21swapper/011:30:130
2663915210,0sleep20-21swapper/211:26:422
2663837210,0sleep00-21swapper/011:26:000
2662074210,0sleep00-21swapper/011:23:530
2658259210,1sleep00-21swapper/011:15:070
2658014210,0sleep20-21swapper/211:15:022
2656685210,0sleep00-21swapper/011:10:160
2656322210,0sleep20-21swapper/211:10:132
2655534210,0sleep00-21swapper/011:06:270
2654115210,0sleep20-21swapper/211:05:132
2653265210,0sleep20-21swapper/211:00:212
2652208210,0sleep00-21swapper/011:00:140
2651437210,1sleep20-21swapper/210:57:162
2649951210,0sleep00-21swapper/010:55:150
2649235210,0sleep20-21swapper/210:51:132
2649233210,1sleep00-21swapper/010:51:110
2646252210,0sleep20-21swapper/210:45:152
2643825210,0sleep00-21swapper/010:40:140
2641562210,0sleep20-21swapper/210:35:112
2641315210,0sleep00-21swapper/010:35:010
2640796210,0sleep20-21swapper/210:30:222
2638976210,0sleep20-21swapper/210:27:472
2637429210,1sleep00-21swapper/010:25:130
2635577210,0sleep00-21swapper/010:20:160
2635042210,0sleep20-21swapper/210:20:072
2634761210,0sleep00-21swapper/010:19:530
2633110210,0sleep20-21swapper/210:15:132
2631012210,0sleep00-21swapper/010:10:120
2630858210,0sleep20-21swapper/210:10:102
2630387210,0sleep00-21swapper/010:08:030
2628779210,0sleep20-21swapper/210:05:132
2628470210,1sleep00-21swapper/010:04:320
2625945210,0sleep00-21swapper/009:55:460
2622577210,0sleep00-21swapper/009:50:140
2620853210,0sleep00-21swapper/009:45:140
2619394210,0sleep20-21swapper/209:40:202
2618441210,0sleep00-21swapper/009:40:130
2616620210,0sleep20-21swapper/209:35:152
2614354210,0sleep00-21swapper/009:30:130
2614219210,0sleep20-21swapper/209:30:112
2613173210,0sleep00-21swapper/009:25:200
2612227210,0sleep20-21swapper/209:25:142
2610208210,0sleep20-21swapper/209:20:112
2609686210,0sleep20-21swapper/209:17:272
2608623210,0sleep00-21swapper/009:15:160
2605919210,0sleep20-21swapper/209:10:012
2604008210,0sleep20-21swapper/209:05:022
2603872210,0sleep20-21swapper/209:03:182
2603632210,0sleep00-21swapper/009:00:190
2601725210,1sleep00-21swapper/008:55:310
2600480210,0sleep20-21swapper/208:55:122
2599815210,1sleep00-21swapper/008:50:310
2599559210,0sleep20-21swapper/208:50:212
2596637210,0sleep00-21swapper/008:45:140
2594856210,0sleep20-21swapper/208:40:162
2594205210,0sleep00-21swapper/008:40:020
2592716210,0sleep00-21swapper/008:35:130
2592482210,0sleep20-21swapper/208:35:122
2590324210,0sleep00-21swapper/008:30:020
2588657210,0sleep20-21swapper/208:25:112
2587276210,0sleep00-21swapper/008:20:160
2585610210,0sleep20-21swapper/208:15:182
2584813210,0sleep00-21swapper/008:15:130
2583745210,0sleep20-21swapper/208:10:192
2579797210,0sleep20-21swapper/208:00:182
2579513210,0sleep00-21swapper/008:00:160
2577877210,0sleep20-21swapper/207:55:182
2575495210,0sleep00-21swapper/007:50:150
2574993210,0sleep20-21swapper/207:50:002
2573879210,0sleep20-21swapper/207:45:172
2573563210,0sleep00-21swapper/007:45:150
2572307210,0sleep00-21swapper/007:40:180
2572027210,0sleep20-21swapper/207:40:162
2569961210,0sleep20-21swapper/207:35:152
2569647210,0sleep00-21swapper/007:35:140
2567625210,0sleep00-21swapper/007:30:140
2566003210,0sleep20-21swapper/207:25:152
2565313210,0sleep00-21swapper/007:25:010
2564532210,0sleep20-21swapper/207:20:202
2561004210,0sleep02561535-21diskstats07:15:000
2560980210,0sleep20-21swapper/207:14:462
2560638210,0sleep00-21swapper/007:10:210
2672878200,0sleep20-21swapper/211:50:032
2666606200,0sleep20-21swapper/211:35:022
2660356200,0sleep20-21swapper/211:20:022
2626423200,0sleep20-21swapper/210:00:012
2604243200,0sleep00-21swapper/009:05:040
2596315200,0sleep20-21swapper/208:45:042
2588410200,0sleep00-21swapper/008:25:010
2586733200,0sleep20-21swapper/208:20:032
2582889200,0sleep00-21swapper/008:10:050
2580979200,0sleep00-21swapper/008:05:030
2580881200,0sleep20-21swapper/208:05:012
2577136200,0sleep00-21swapper/007:55:030
2563380200,0sleep00-21swapper/007:20:010
2561702200,0sleep20-21swapper/207:15:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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