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2026-06-26 - 11:59
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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 rackeslot2.osadl.org (updated Fri Jun 26, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
300974121090,1sleep10-21swapper/123:15:091
288052021000,2sleep30-21swapper/321:50:063
29891612990,1sleep10-21swapper/123:02:471
2675116992825,2cyclictest2975133-21grep22:55:010
2675116992817,6cyclictest3075776-21kthreadcore00:00:110
2675116992712,6cyclictest0-21swapper/000:39:590
2675118992622,2cyclictest0-21swapper/200:39:592
2675117992623,2cyclictest0-21swapper/120:50:021
2675116992623,2cyclictest2795649-21irqcore20:50:020
2675116992615,4cyclictest2930663-21munin-plugin-st22:25:000
2675117992522,2cyclictest3102645-21latency_hist00:20:021
2675117992522,2cyclictest2997635-21latency_hist23:10:011
267511699259,6cyclictest0-21swapper/022:05:000
2675116992522,2cyclictest2740314-21df20:05:010
2675118992421,1cyclictest0-21swapper/223:20:012
2675116992421,2cyclictest2990396-21ls23:05:010
2675118992320,1cyclictest0-21swapper/221:05:002
2675118992320,1cyclictest0-21swapper/221:00:002
2675117992320,2cyclictest2703759-21systemd19:35:021
2675117992313,4cyclictest0-21swapper/122:25:001
2675116992320,2cyclictest765-1atopacctd23:25:020
2675116992320,2cyclictest2834188-21sh21:20:000
30362732220,2sleep20-21swapper/223:35:022
2675118992220,1cyclictest0-21swapper/220:00:022
2675117992219,2cyclictest2681665-21kthreadcore19:15:021
2675117992219,2cyclictest1-21systemd21:10:011
2675117992215,2cyclictest67250irq/126-eno100:35:111
2675116992219,2cyclictest3028903-21irqcore23:30:030
2675116992219,2cyclictest1-21systemd20:55:020
2675118992119,1cyclictest0-21swapper/200:00:112
2675118992118,1cyclictest0-21swapper/219:35:012
267511799215,6cyclictest2776706-21munin-run20:35:011
2675117992118,2cyclictest2715738-21sort19:45:001
2675117992118,2cyclictest0-21swapper/121:45:011
2675117992113,3cyclictest0-21swapper/121:50:021
267511699218,5cyclictest0-21swapper/021:54:590
2675116992118,2cyclictest3087663-21apt-get00:09:590
2675116992118,2cyclictest2841669-21cstates21:25:010
2675116992118,2cyclictest2759061-21if_enp1s020:20:020
2675116992114,6cyclictest765-1atopacctd22:12:020
2675116992113,4cyclictest2675114-21cyclictest00:18:360
2675116992113,2cyclictest492398rtkit-daemon22:07:430
2675118992018,1cyclictest0-21swapper/221:20:032
2675118992017,1cyclictest0-21swapper/221:15:022
2675118992017,1cyclictest0-21swapper/219:30:002
2675117992017,2cyclictest671-21polkitd22:55:011
2675117992017,2cyclictest660-21dbus-daemon21:20:011
2675117992017,2cyclictest3043806-21sed23:40:021
2675117992017,2cyclictest274-21systemd-journal23:45:001
2675117992014,2cyclictest67250irq/126-eno123:55:061
267511699208,5cyclictest0-21swapper/023:07:580
267511699207,2cyclictest0-21swapper/021:46:440
2675116992017,2cyclictest3058162-21cron23:50:000
2675116992017,2cyclictest3050515-21sort23:45:010
2675116992013,6cyclictest2868229-21kthreadcore21:40:060
2675116992010,4cyclictest4922-21rtkit-daemon22:35:240
3153791190,2phc2sys0-21swapper/300:30:523
2675118991917,1cyclictest0-21swapper/223:25:022
2675118991917,1cyclictest0-21swapper/222:35:022
2675118991916,1cyclictest0-21swapper/222:50:022
2675117991916,2cyclictest2740141-21cron20:05:011
2675117991916,2cyclictest2691585-21grep19:25:021
2675117991916,2cyclictest2691585-21grep19:25:021
2675117991916,2cyclictest0-21swapper/122:30:021
267511799191,4cyclictest3035298-21apt-get23:34:571
2675117991914,3cyclictest0-21swapper/123:15:011
2675116991916,2cyclictest2961158-21gltestperf22:45:020
2675116991916,2cyclictest2813604-21cstates21:05:020
2675116991916,2cyclictest2783165-21idleruntime-cro20:40:010
2675116991916,2cyclictest2685348-21latency_hist19:20:020
2675116991916,2cyclictest2675312-21gltestperf19:10:020
2675116991912,6cyclictest1237-21mta-sts-daemon21:05:130
2675116991911,2cyclictest0-21swapper/000:24:590
267511899181,6cyclictest0-21swapper/221:50:012
2675118991816,1cyclictest0-21swapper/221:55:022
2675118991816,1cyclictest0-21swapper/219:15:032
2675118991816,1cyclictest0-21swapper/200:10:032
2675118991815,2cyclictest0-21swapper/221:15:032
2675118991815,1cyclictest0-21swapper/223:30:042
2675118991815,1cyclictest0-21swapper/223:05:012
2675118991815,1cyclictest0-21swapper/222:30:022
267511799188,1cyclictest492398rtkit-daemon23:45:201
267511799185,8cyclictest2853122-21kthreadcore21:30:071
267511799184,9cyclictest351ktimers/122:11:451
267511799183,6cyclictest2841106-21ssh21:24:591
2675117991815,2cyclictest2826541-21cron21:15:001
2675117991815,2cyclictest1-21systemd22:20:021
2675117991815,2cyclictest0-21swapper/121:00:001
2675117991815,2cyclictest0-21swapper/100:30:021
2675117991814,3cyclictest2961848-21kthreadcore22:45:061
2675117991810,3cyclictest67250irq/126-eno119:49:591
2675117991810,1cyclictest491rcuog/221:35:111
2675117991810,1cyclictest491rcuog/221:35:111
267511699187,4cyclictest0-21swapper/023:16:590
267511699183,3cyclictest3067991-21kthreadcore23:55:060
267511699183,12cyclictest660-21dbus-daemon22:50:010
2675116991815,2cyclictest2945816-21expr22:35:010
2675116991815,2cyclictest2697904-21/usr/sbin/munin19:30:020
2675116991812,2cyclictest1237-21mta-sts-daemon23:52:240
492398170,2rtkit-daemon0-21swapper/120:19:461
3153791175,3phc2sys0-21swapper/319:45:043
3153791170,2phc2sys0-21swapper/323:33:043
3153791170,2phc2sys0-21swapper/322:30:553
3153791170,2phc2sys0-21swapper/321:11:183
3153791170,2phc2sys0-21swapper/300:05:233
2675118991715,1cyclictest0-21swapper/220:35:022
2675118991715,1cyclictest0-21swapper/219:20:022
2675118991715,1cyclictest0-21swapper/200:35:022
2675118991715,1cyclictest0-21swapper/200:30:032
2675118991714,1cyclictest0-21swapper/222:55:022
2675118991714,1cyclictest0-21swapper/222:05:092
2675118991714,1cyclictest0-21swapper/221:45:012
2675118991714,1cyclictest0-21swapper/221:29:572
2675118991714,1cyclictest0-21swapper/221:29:572
2675118991714,1cyclictest0-21swapper/220:47:222
267511899171,3cyclictest0-21swapper/220:10:012
267511799178,4cyclictest2764172-21aten2.4-expect20:24:581
267511799174,8cyclictest3081867-21kthreadcore00:05:071
267511799172,11cyclictest3109919-21apt-get00:24:581
2675117991714,2cyclictest2980793-21grep22:55:151
2675117991714,2cyclictest2783506-21irqcore20:40:021
2675117991714,2cyclictest2691953-21grep19:25:031
2675117991714,2cyclictest2684341-21/usr/sbin/munin19:20:001
2675117991714,2cyclictest1-21systemd23:30:011
2675117991714,2cyclictest0-21swapper/121:55:011
2675117991714,2cyclictest0-21swapper/120:00:011
2675117991713,3cyclictest2765719-21kthreadcore20:25:051
267511799171,2cyclictest2953353-21idleruntime-cro22:40:001
2675117991711,2cyclictest3092574-21ssh00:10:091
267511699179,6cyclictest2979979-21kthreadcore22:55:090
2675116991715,1cyclictest0-21swapper/021:35:030
2675116991714,2cyclictest660-21dbus-daemon19:15:010
2675116991714,2cyclictest3115331-21mailstats00:25:120
2675116991714,2cyclictest3041078-21grep23:35:120
2675116991714,2cyclictest3036236-21idleruntime23:35:020
2675116991714,2cyclictest2807432-21systemd21:00:010
2675116991714,2cyclictest0-21swapper/019:45:000
2675116991714,2cyclictest0-21swapper/019:40:010
2675116991713,2cyclictest492398rtkit-daemon19:33:470
3153791160,2phc2sys0-21swapper/323:27:103
3153791160,2phc2sys0-21swapper/323:21:533
2675118991614,1cyclictest0-21swapper/223:10:012
2675118991614,1cyclictest0-21swapper/220:20:022
2675118991614,1cyclictest0-21swapper/200:20:022
2675118991613,1cyclictest0-21swapper/223:45:022
2675118991613,1cyclictest0-21swapper/223:40:012
2675118991613,1cyclictest0-21swapper/223:10:122
2675118991613,1cyclictest0-21swapper/222:44:112
2675118991613,1cyclictest0-21swapper/221:59:552
2675118991613,1cyclictest0-21swapper/221:40:032
2675118991613,1cyclictest0-21swapper/221:35:002
2675118991613,1cyclictest0-21swapper/220:10:102
2675118991613,1cyclictest0-21swapper/200:25:002
267511799164,8cyclictest2961079-21cat22:45:021
267511799164,7cyclictest351ktimers/122:30:561
2675117991613,2cyclictest3125751-21latency_hist00:35:021
2675117991613,2cyclictest2784014-21kthreadcore20:40:041
267511799160,1cyclictest0-21swapper/121:29:581
267511799160,1cyclictest0-21swapper/121:29:581
267511699167,7cyclictest2933486-21tr22:25:070
2675116991613,2cyclictest660-21dbus-daemon21:30:010
2675116991613,2cyclictest660-21dbus-daemon21:30:010
2675116991613,2cyclictest2770420-21cpu20:30:000
2675116991613,2cyclictest2764835-21fschecks_time20:25:010
2675116991613,2cyclictest2691552-21head19:25:020
2675116991613,2cyclictest2691552-21head19:25:020
2675116991611,2cyclictest1246-21mta-sts-daemon21:58:240
2675116991610,4cyclictest2727359-21tail19:54:590
3153791150,4phc2sys0-21swapper/319:09:583
3153791150,3phc2sys0-21swapper/321:16:373
3153791150,2phc2sys0-21swapper/323:38:233
3153791150,2phc2sys0-21swapper/321:40:293
3153791150,2phc2sys0-21swapper/321:30:323
2675118991513,1cyclictest0-21swapper/222:20:022
2675118991513,1cyclictest0-21swapper/220:40:032
2675118991513,1cyclictest0-21swapper/219:55:012
2675118991513,1cyclictest0-21swapper/219:25:022
2675118991513,1cyclictest0-21swapper/219:25:022
2675118991513,1cyclictest0-21swapper/219:10:022
2675118991512,1cyclictest0-21swapper/223:50:102
2675118991512,1cyclictest0-21swapper/222:10:112
2675118991512,1cyclictest0-21swapper/220:55:012
2675118991512,1cyclictest0-21swapper/220:30:022
2675118991512,1cyclictest0-21swapper/219:45:042
2675118991512,1cyclictest0-21swapper/219:35:112
267511799152,5cyclictest2889945-21kthreadcore21:55:071
267511799151,9cyclictest2901965-21/usr/sbin/munin22:05:061
267511799151,9cyclictest2812865-21aten2.4-expect21:05:001
267511799151,9cyclictest2709060-21aten2.4-expect19:39:581
2675117991512,2cyclictest2752283-21cron20:15:011
2675117991512,2cyclictest1020-21runrttasks23:23:091
2675117991511,3cyclictest2799496-21latency20:50:051
2675117991511,3cyclictest2741337-21kthreadcore20:05:051
2675117991511,3cyclictest0-21swapper/119:55:001
267511799150,3cyclictest2894558-21sed22:00:061
267511699157,6cyclictest3088867-21irqcore00:10:050
267511699155,3cyclictest501rcuop/200:33:110
2675116991513,1cyclictest0-21swapper/020:10:090
2675116991512,2cyclictest2921374-21unixbench_multi22:15:150
2675116991512,2cyclictest2861126-21needreboot21:35:090
2675116991512,2cyclictest2861126-21needreboot21:35:090
2675116991512,2cyclictest2820392-21irqrtprio21:10:050
2675116991512,2cyclictest2785503-21kthreadcore20:40:050
2675116991512,2cyclictest2744132-21kthreadcore20:05:060
2675116991512,2cyclictest0-21swapper/023:15:040
3153791145,2phc2sys0-21swapper/322:56:573
3153791141,3phc2sys0-21swapper/320:39:563
3153791141,3phc2sys0-21swapper/319:54:583
3153791140,2phc2sys0-21swapper/323:50:243
3153791140,2phc2sys0-21swapper/322:53:493
3153791140,2phc2sys0-21swapper/321:59:383
3153791140,2phc2sys0-21swapper/320:16:383
267511899141,7cyclictest0-21swapper/223:00:012
2675118991412,1cyclictest0-21swapper/222:35:062
2675118991412,1cyclictest0-21swapper/222:20:082
2675118991412,1cyclictest0-21swapper/222:04:552
2675118991412,1cyclictest0-21swapper/221:40:022
2675118991412,1cyclictest0-21swapper/220:43:172
2675118991412,1cyclictest0-21swapper/220:04:112
2675118991412,1cyclictest0-21swapper/200:15:012
2675118991411,1cyclictest0-21swapper/223:50:022
2675118991411,1cyclictest0-21swapper/219:40:062
2675118991410,2cyclictest0-21swapper/223:58:582
2675117991411,2cyclictest3059213-21kernelversion23:50:041
267511799140,9cyclictest3073105-21basename00:00:041
2675116991411,2cyclictest808-21hwrng19:55:090
2675116991411,2cyclictest2771331-21if_enp1s020:30:040
3153791132,2phc2sys0-21swapper/322:40:063
3153791131,2phc2sys0-21swapper/319:10:223
3153791130,2phc2sys0-21swapper/323:02:403
3153791130,2phc2sys0-21swapper/322:37:253
3153791130,2phc2sys0-21swapper/321:27:563
3153791130,2phc2sys0-21swapper/321:27:563
3153791130,2phc2sys0-21swapper/320:00:233
3153791130,2phc2sys0-21swapper/300:10:203
3153791130,1phc2sys0-21swapper/319:30:543
29372042130,3sleep30-21swapper/322:27:553
2675118991311,1cyclictest0-21swapper/221:05:082
2675117991310,2cyclictest0-21swapper/119:10:021
267511699139,3cyclictest765-1atopacctd19:45:050
3153791127,2phc2sys0-21swapper/322:13:383
3153791124,3phc2sys0-21swapper/322:25:023
3153791121,2phc2sys0-21swapper/300:25:153
3153791120,3phc2sys0-21swapper/321:35:123
3153791120,3phc2sys0-21swapper/321:35:123
3153791120,3phc2sys0-21swapper/321:24:593
3153791120,2phc2sys0-21swapper/320:45:513
3153791120,2phc2sys0-21swapper/320:10:053
3153791120,2phc2sys0-21swapper/300:24:563
3153791120,2phc2sys0-21swapper/300:16:253
2675118991210,1cyclictest0-21swapper/220:20:062
3153791112,3phc2sys0-21swapper/322:15:413
3153791111,3phc2sys0-21swapper/323:11:043
3153791111,2phc2sys0-21swapper/323:49:593
3153791110,2phc2sys0-21swapper/322:45:243
3153791110,2phc2sys0-21swapper/322:09:413
3153791110,2phc2sys0-21swapper/320:50:193
3153791110,2phc2sys0-21swapper/319:57:573
3153791110,1phc2sys0-21swapper/322:02:263
3153791101,3phc2sys0-21swapper/320:09:563
3153791101,2phc2sys0-21swapper/321:00:013
3153791101,2phc2sys0-21swapper/319:25:133
3153791101,2phc2sys0-21swapper/319:20:083
3153791101,2phc2sys0-21swapper/319:20:083
3153791100,3phc2sys0-21swapper/321:45:073
3153791100,2phc2sys0-21swapper/323:55:173
3153791100,2phc2sys0-21swapper/323:44:583
3153791100,2phc2sys0-21swapper/323:16:293
3153791100,2phc2sys0-21swapper/319:43:003
3153791100,2phc2sys0-21swapper/300:35:133
3153791100,1phc2sys0-21swapper/319:17:203
315379191,2phc2sys0-21swapper/320:34:533
315379191,1phc2sys0-21swapper/320:43:303
315379190,3phc2sys0-21swapper/319:40:023
315379190,2phc2sys0-21swapper/323:05:153
315379190,2phc2sys0-21swapper/321:05:023
315379190,2phc2sys0-21swapper/320:25:033
315379190,2phc2sys0-21swapper/320:24:593
315379190,2phc2sys0-21swapper/300:00:063
315379190,1phc2sys0-21swapper/321:02:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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