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2026-06-12 - 19:31
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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 Fri Jun 12, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
286252421580,2sleep30-21swapper/310:15:033
281694921540,2sleep30-21swapper/309:42:323
274351721150,2sleep30-21swapper/308:50:263
30481512400,1sleep03048155-21sed12:20:250
3153791341,14phc2sys0-21swapper/309:20:013
2617209992919,5cyclictest0-21swapper/012:40:010
2617209992714,6cyclictest0-21swapper/010:15:280
2617209992514,6cyclictest2904426-21phc2sys-jitter10:40:290
2617209992510,6cyclictest0-21swapper/011:10:030
261720999249,5cyclictest0-21swapper/010:30:160
2617209992421,2cyclictest2773390-21systemd09:15:010
2617209992414,5cyclictest2921851-21cpuspeed_turbos10:55:220
2617209992412,2cyclictest2892170-21apt-get10:35:190
2617210992320,2cyclictest2716964-21cron08:30:001
261720999238,6cyclictest0-21swapper/012:00:010
261720999232,16cyclictest0-21swapper/007:20:320
2617209992312,5cyclictest2991932-21kthreadcore11:40:270
2617213992219,1cyclictest0-21swapper/210:45:012
2617210992219,2cyclictest2987632-21cut11:40:011
2617210992216,2cyclictest17750irq/132-ahci[0000:00:17.0]09:15:011
2617210992212,6cyclictest1237-21mta-sts-daemon11:41:241
2617209992213,8cyclictest2826085-21cstates09:50:230
2617209992210,5cyclictest2911834-21/usr/sbin/munin10:45:300
27718272210,2sleep20-21swapper/209:10:332
26224872210,2sleep20-21swapper/207:10:312
2617210992118,2cyclictest660-21dbus-daemon10:15:011
261720999219,5cyclictest0-21swapper/009:40:270
261720999213,9cyclictest0-21swapper/009:23:320
2617209992118,2cyclictest660-21dbus-daemon09:30:010
2617209992118,2cyclictest2624159-21cstates07:15:030
261720999211,15cyclictest0-21swapper/012:28:550
3153791201,2phc2sys0-21swapper/309:54:563
2617213992017,1cyclictest0-21swapper/210:50:012
261721099205,9cyclictest2735636-21aten2.4-expect08:45:201
2617210992017,2cyclictest0-21swapper/108:40:001
2617210992014,2cyclictest492398rtkit-daemon09:26:531
2617210992013,2cyclictest67250irq/126-eno112:25:261
2617210992011,4cyclictest2943869-21aten2.4-expect11:10:201
2617210992011,4cyclictest2680371-21sshd07:58:331
2617210992011,3cyclictest2747358-21sshd08:54:321
2617209992017,2cyclictest2847276-21idleruntime-cro10:05:000
2617209992011,3cyclictest2801203-21awk09:30:310
2617213991916,1cyclictest0-21swapper/211:35:022
2617213991916,1cyclictest0-21swapper/209:30:312
261721099197,6cyclictest4922-21rtkit-daemon07:45:231
261721099196,8cyclictest2880280-21kthreadcore10:25:261
2617210991916,2cyclictest781-21gmain09:45:021
2617210991916,2cyclictest2623382-21gpgv07:15:011
2617210991916,2cyclictest0-21swapper/109:20:281
2617210991912,3cyclictest2952679-21kthreadcore11:15:241
2617210991911,3cyclictest3038375-21sshd12:12:321
261720999199,2cyclictest2688744-21cut08:05:280
261720999198,6cyclictest0-21swapper/011:00:220
261720999198,4cyclictest1246-21mta-sts-daemon10:08:340
261720999196,6cyclictest0-21swapper/012:00:050
261720999196,6cyclictest0-21swapper/010:10:310
261720999196,4cyclictest0-21swapper/010:00:000
2617209991917,1cyclictest3068877-21/usr/sbin/munin12:35:020
2617209991916,2cyclictest3046726-21systemd12:20:020
2617209991916,2cyclictest2710870-21cron08:25:000
2617209991916,2cyclictest2710870-21cron08:25:000
2617209991912,6cyclictest0-21swapper/009:15:320
2617209991910,2cyclictest0-21swapper/010:28:400
261720999190,18cyclictest0-21swapper/008:52:060
3153791181,3phc2sys0-21swapper/311:30:083
3153791181,3phc2sys0-21swapper/309:24:393
3153791180,2phc2sys0-21swapper/312:31:443
3153791180,2phc2sys0-21swapper/309:28:233
3153791180,2phc2sys0-21swapper/309:00:303
2617213991816,1cyclictest0-21swapper/212:20:032
2617213991815,1cyclictest0-21swapper/210:05:012
2617213991815,1cyclictest0-21swapper/208:50:272
261721099189,4cyclictest0-21swapper/110:15:281
261721099187,7cyclictest3076054-21latency_hist12:40:011
261721099185,7cyclictest2996100-21diskmemload11:45:241
261721099184,9cyclictest2656553-21aten2.4-expect07:40:221
261721099181,6cyclictest2921742-21cut10:55:211
2617210991815,2cyclictest3046824-21munin-plugin-st12:20:031
2617210991815,2cyclictest3005396-21kthreadcore11:50:281
2617210991815,2cyclictest2723256-21systemd08:35:021
2617210991815,2cyclictest2656161-21apt07:40:011
2617210991814,3cyclictest2732286-21kthreadcore08:40:281
2617210991814,3cyclictest2683631-21kthreadcore08:00:281
2617210991814,3cyclictest2670016-21kthreadcore07:50:271
2617210991813,1cyclictest808-21hwrng12:34:041
2617210991811,2cyclictest351ktimers/109:30:201
261720999187,6cyclictest0-21swapper/010:50:200
261720999185,6cyclictest0-21swapper/007:29:330
2617209991815,2cyclictest2702435-21kthreadcore08:15:270
3153791170,2phc2sys0-21swapper/310:26:383
2617213991714,1cyclictest0-21swapper/210:35:192
2617213991714,1cyclictest0-21swapper/210:35:012
2617213991713,2cyclictest0-21swapper/211:12:542
2617213991713,2cyclictest0-21swapper/209:05:332
2617213991713,1cyclictest0-21swapper/210:16:252
2617213991710,2cyclictest0-21swapper/208:15:182
261721099175,7cyclictest2741551-21kworker/u16:0+nfsiod10:40:271
261721099173,9cyclictest2936502-21aten2.4-expect11:05:171
2617210991714,2cyclictest658-21avahi-daemon10:05:021
2617210991714,2cyclictest3047125-21aten_repower_po12:20:201
2617210991714,2cyclictest2930115-21ps11:00:271
2617210991714,2cyclictest2909689-21kthreadcore10:45:271
2617210991714,2cyclictest2753782-21wc09:00:001
2617210991713,2cyclictest0-21swapper/112:05:021
2617210991712,1cyclictest67250irq/126-eno111:32:471
2617210991711,1cyclictest67250irq/126-eno107:15:321
261720999179,7cyclictest0-21swapper/011:50:200
261720999176,4cyclictest0-21swapper/009:04:200
261720999174,6cyclictest0-21swapper/012:08:330
2617209991714,2cyclictest3037658-21grep12:10:310
2617209991714,2cyclictest2682773-21kthreadcore08:00:270
2617209991714,2cyclictest1246-21mta-sts-daemon07:10:010
2617209991712,3cyclictest0-21swapper/008:40:020
2617209991710,6cyclictest0-21swapper/011:45:200
261720999170,4cyclictest2951039-21/usr/sbin/munin11:15:200
3153791160,6phc2sys0-21swapper/310:25:013
3153791160,2phc2sys0-21swapper/310:18:413
3153791160,1phc2sys0-21swapper/311:15:443
2617213991614,1cyclictest0-21swapper/212:10:212
2617213991614,1cyclictest0-21swapper/210:00:012
2617213991614,1cyclictest0-21swapper/208:40:272
2617213991613,1cyclictest0-21swapper/212:40:012
2617213991613,1cyclictest0-21swapper/212:30:182
2617213991613,1cyclictest0-21swapper/212:05:222
2617213991613,1cyclictest0-21swapper/211:20:012
2617213991613,1cyclictest0-21swapper/211:05:242
2617213991613,1cyclictest0-21swapper/209:35:302
2617213991613,1cyclictest0-21swapper/209:25:012
2617213991613,1cyclictest0-21swapper/207:40:012
2617213991613,1cyclictest0-21swapper/207:35:012
2617213991612,2cyclictest0-21swapper/209:16:482
2617213991612,2cyclictest0-21swapper/208:35:002
2617213991612,2cyclictest0-21swapper/207:15:252
261721099169,3cyclictest2818158-21/usr/sbin/munin09:45:261
261721099162,9cyclictest2958491-21aten2.4-expect11:20:201
261721099161,9cyclictest2833349-21expr09:55:211
261721099161,3cyclictest3015880-21sh11:57:101
2617210991613,2cyclictest3031979-21sh12:10:011
2617210991613,2cyclictest2966540-21gltestperf11:25:211
2617210991613,2cyclictest2892821-21sort10:35:221
2617210991613,2cyclictest2850508-21kthreadcore10:05:281
2617210991613,2cyclictest2830465-21needreboot09:50:311
2617210991613,2cyclictest2805492-21kthreadcore09:35:251
2617210991613,2cyclictest2644234-21systemd07:30:021
261720999166,2cyclictest0-21swapper/009:35:080
261720999163,6cyclictest0-21swapper/007:19:100
2617209991614,1cyclictest0-21swapper/011:30:010
2617209991613,2cyclictest2973898-21sed11:30:220
2617209991613,2cyclictest2959337-21cut11:20:250
2617209991613,2cyclictest2948799-21mailstats11:10:310
2617209991613,2cyclictest2741383-21cut08:50:010
2617209991613,2cyclictest2723191-21cut08:35:010
3153791150,2phc2sys0-21swapper/312:39:403
3153791150,2phc2sys0-21swapper/312:25:513
261721399152,8cyclictest0-21swapper/210:25:172
2617213991513,1cyclictest0-21swapper/212:25:192
2617213991513,1cyclictest0-21swapper/211:26:562
2617213991513,1cyclictest0-21swapper/210:55:232
2617213991513,1cyclictest0-21swapper/208:10:032
2617213991512,1cyclictest0-21swapper/211:55:192
2617213991512,1cyclictest0-21swapper/211:48:582
2617213991512,1cyclictest0-21swapper/211:40:242
2617213991512,1cyclictest0-21swapper/210:50:202
2617213991512,1cyclictest0-21swapper/210:22:022
2617213991512,1cyclictest0-21swapper/210:11:252
2617213991512,1cyclictest0-21swapper/210:05:212
2617213991512,1cyclictest0-21swapper/209:50:312
2617213991512,1cyclictest0-21swapper/209:40:252
2617213991512,1cyclictest0-21swapper/208:25:322
2617213991512,1cyclictest0-21swapper/207:30:022
2617213991511,2cyclictest0-21swapper/211:51:472
2617213991510,2cyclictest0-21swapper/208:55:182
261721099159,2cyclictest67250irq/126-eno110:50:181
261721099158,5cyclictest274-21systemd-journal09:16:321
261721099157,3cyclictest0-21swapper/110:20:201
261721099157,2cyclictest67250irq/126-eno108:15:191
261721099153,7cyclictest2889772-21ps10:30:281
261721099153,7cyclictest0-21swapper/109:10:031
261721099151,8cyclictest2632269-21apt-get07:20:201
261721099151,7cyclictest2754283-21telnet09:00:211
261721099151,5cyclictest2694034-21irqcore08:10:271
2617210991511,3cyclictest2644491-21aten_repower_po07:30:221
261720999159,5cyclictest1246-21mta-sts-daemon07:31:110
2617209991512,2cyclictest2870179-21aten_repower_po10:20:190
2617209991512,2cyclictest2760494-21cpuspeed_turbos09:05:210
2617209991512,2cyclictest2753764-21latency_hist09:00:020
2617209991512,2cyclictest2657123-21fschecks_time07:40:250
2617209991511,3cyclictest1246-21mta-sts-daemon09:49:350
3153791141,4phc2sys0-21swapper/312:00:013
3153791140,3phc2sys0-21swapper/311:45:193
3153791140,2phc2sys0-21swapper/311:21:533
3153791140,2phc2sys0-21swapper/311:04:023
3153791140,1phc2sys0-21swapper/312:06:073
2617213991412,1cyclictest0-21swapper/212:20:202
2617213991412,1cyclictest0-21swapper/211:35:282
2617213991412,1cyclictest0-21swapper/208:10:222
2617213991411,2cyclictest0-21swapper/211:00:072
2617213991411,2cyclictest0-21swapper/208:46:442
2617213991411,2cyclictest0-21swapper/208:35:212
2617213991411,1cyclictest0-21swapper/212:00:212
2617213991411,1cyclictest0-21swapper/211:21:362
2617213991411,1cyclictest0-21swapper/209:45:192
2617213991411,1cyclictest0-21swapper/209:25:212
2617213991411,1cyclictest0-21swapper/209:00:202
2617213991411,1cyclictest0-21swapper/208:00:202
2617213991411,1cyclictest0-21swapper/207:50:022
2617213991411,1cyclictest0-21swapper/207:45:012
2617213991411,1cyclictest0-21swapper/207:24:122
2617210991411,2cyclictest1247-21mta-sts-daemon08:05:201
2617209991411,2cyclictest2983407-21kthreadcore11:35:260
2617209991411,2cyclictest2733565-21kthreadcore08:40:280
2617209991411,2cyclictest2712529-21kthreadcore08:25:260
3153791130,7phc2sys0-21swapper/308:29:553
3153791130,3phc2sys0-21swapper/312:13:383
3153791130,1phc2sys0-21swapper/310:58:203
3153791130,1phc2sys0-21swapper/310:40:533
2617213991311,1cyclictest0-21swapper/207:55:252
2617213991310,1cyclictest0-21swapper/208:20:212
2617213991310,1cyclictest0-21swapper/208:20:212
2617210991310,2cyclictest2707088-21kthreadcore08:20:271
2617210991310,2cyclictest2707088-21kthreadcore08:20:271
2617209991310,2cyclictest660-21dbus-daemon08:00:010
2617209991310,2cyclictest2693088-21aten_repower_po08:10:220
2617209991310,2cyclictest2668863-21aten_repower_vo07:50:210
2617209991310,2cyclictest2665578-21kthreadcore07:45:270
2617209991310,2cyclictest2654698-21kthreadcore07:35:290
3153791121,2phc2sys0-21swapper/309:45:193
3153791120,2phc2sys0-21swapper/308:41:593
3153791120,2phc2sys0-21swapper/307:23:163
3153791120,1phc2sys0-21swapper/311:09:393
3153791120,1phc2sys0-21swapper/310:00:463
2617213991210,1cyclictest0-21swapper/207:50:212
261721099126,5cyclictest660-21dbus-daemon07:10:011
3153791111,3phc2sys0-21swapper/310:50:193
3153791111,2phc2sys0-21swapper/310:45:263
3153791111,2phc2sys0-21swapper/309:56:013
3153791111,2phc2sys0-21swapper/309:05:273
3153791111,2phc2sys0-21swapper/307:15:033
3153791110,2phc2sys0-21swapper/312:21:503
3153791110,2phc2sys0-21swapper/309:37:333
3153791110,2phc2sys0-21swapper/308:45:063
3153791110,2phc2sys0-21swapper/308:07:103
3153791110,1phc2sys0-21swapper/308:59:303
3153791102,2phc2sys0-21swapper/311:51:203
3153791101,2phc2sys0-21swapper/312:00:223
3153791101,2phc2sys0-21swapper/310:06:073
3153791101,2phc2sys0-21swapper/308:17:383
3153791101,2phc2sys0-21swapper/308:00:183
3153791101,2phc2sys0-21swapper/307:40:233
3153791100,4phc2sys0-21swapper/311:25:183
3153791100,4phc2sys0-21swapper/308:30:193
3153791100,2phc2sys0-21swapper/312:18:013
3153791100,2phc2sys0-21swapper/311:40:263
3153791100,2phc2sys0-21swapper/311:36:533
3153791100,2phc2sys0-21swapper/311:10:033
3153791100,2phc2sys0-21swapper/310:31:483
3153791100,2phc2sys0-21swapper/309:32:123
3153791100,2phc2sys0-21swapper/309:12:043
3153791100,2phc2sys0-21swapper/307:54:483
3153791100,2phc2sys0-21swapper/307:45:283
3153791100,2phc2sys0-21swapper/307:30:213
315379191,3phc2sys0-21swapper/308:20:333
315379191,3phc2sys0-21swapper/308:20:333
315379190,3phc2sys0-21swapper/307:55:173
315379190,2phc2sys0-21swapper/310:35:203
315379190,2phc2sys0-21swapper/308:35:213
315379190,2phc2sys0-21swapper/308:10:243
315379190,2phc2sys0-21swapper/307:35:063
315379190,2phc2sys0-21swapper/307:25:243
315379190,2phc2sys0-21swapper/307:15:193
315379190,2phc2sys0-21swapper/307:05:213
26172139997,1cyclictest0-21swapper/207:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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