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2026-06-30 - 19:58
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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 Tue Jun 30, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
286818121470,2sleep20-21swapper/209:29:592
294702721080,4sleep12947029-21awk10:25:011
30238692700,1sleep13023868-21ssh11:16:231
29512952580,1sleep02951293-21ssh10:27:570
2693747993221,2cyclictest67250irq/126-eno111:55:011
2693746993210,21cyclictest0-21swapper/009:49:560
29760932290,2sleep30-21swapper/310:44:593
2693746992922,5cyclictest0-21swapper/012:25:010
2693746992919,9cyclictest1-21systemd10:50:010
2693747992818,3cyclictest0-21swapper/110:50:021
2693746992816,8cyclictest274-21systemd-journal12:17:010
2693746992719,4cyclictest67250irq/126-eno108:39:520
2693747992623,2cyclictest660-21dbus-daemon10:35:021
2693747992623,2cyclictest3051915-21latency_hist11:35:011
2693746992620,5cyclictest660-21dbus-daemon11:20:030
2693746992618,4cyclictest67250irq/126-eno107:29:530
2693746992614,11cyclictest3105720-21cpu12:14:500
2693746992613,9cyclictest2842861-21kthreadcore09:15:000
2693747992521,3cyclictest2814721-21missed_timers08:50:001
2693747992517,4cyclictest3110638-21ssh12:15:011
2693747992511,5cyclictest1237-21mta-sts-daemon09:57:171
2693746992519,5cyclictest3059104-21latency11:40:010
2693746992515,5cyclictest492398rtkit-daemon12:00:120
2693746992513,8cyclictest1020-21runrttasks12:29:330
2693746992512,4cyclictest2694536-21sshd07:10:390
2693747992421,2cyclictest2772673-21missed_timers08:15:011
2693747992420,3cyclictest70-21kcompactd009:15:011
2693747992412,7cyclictest1242-21mta-sts-daemon11:43:531
269374699247,9cyclictest0-21swapper/012:06:040
2693746992418,5cyclictest1-21systemd11:45:010
2693746992412,8cyclictest2862021-21unixbench_multi09:25:050
2693746992411,5cyclictest3003307-21/usr/sbin/munin11:04:520
3153791230,2phc2sys0-21swapper/311:31:503
2693748992320,1cyclictest0-21swapper/209:15:012
2693747992320,2cyclictest660-21dbus-daemon07:25:011
2693747992320,2cyclictest2920042-21mailstats10:05:021
2693747992320,2cyclictest2718828-21pmu-power07:30:021
269374699238,7cyclictest2943735-21diskmemload10:23:490
269374699238,7cyclictest2785344-21date08:25:030
269374699234,4cyclictest2768159-21aten2.4-expect08:14:540
269374699233,7cyclictest0-21swapper/011:29:520
2693746992317,5cyclictest2933427-21sh10:15:010
2693746992314,2cyclictest492398rtkit-daemon11:20:220
2693746992313,9cyclictest1246-21mta-sts-daemon10:17:140
2693746992313,9cyclictest1237-21mta-sts-daemon11:32:080
2693746992313,5cyclictest2828148-21sshd09:04:400
2693748992219,1cyclictest0-21swapper/208:20:012
2693747992219,2cyclictest2854001-21grep09:20:011
2693747992219,2cyclictest0-21swapper/112:30:011
2693747992219,2cyclictest0-21swapper/111:50:031
2693747992218,2cyclictest0-21swapper/108:55:011
269374699229,6cyclictest3076994-21sh11:54:560
269374699229,6cyclictest2885659-21/usr/sbin/munin09:45:020
269374699229,5cyclictest3000550-21ssh11:00:010
269374699229,5cyclictest2738151-21aten2.4-expect07:49:530
269374699228,6cyclictest2907581-21/usr/sbin/munin10:00:010
269374699228,6cyclictest0-21swapper/012:00:010
269374699226,8cyclictest2733795-21cut07:44:590
2693746992216,5cyclictest2991300-21kthreadcore10:54:590
2693746992216,5cyclictest2760757-21needreboot08:05:010
2693746992215,6cyclictest2702603-21kthreadcore07:19:590
2693746992214,1cyclictest491rcuog/209:22:390
2693746992211,10cyclictest1246-21mta-sts-daemon10:04:570
2693746992210,5cyclictest2816182-21telnet08:54:540
2693748992118,1cyclictest0-21swapper/210:25:012
2693748992116,3cyclictest3075049-21chrt11:51:032
2693747992118,2cyclictest698-21in:imuxsock07:45:011
2693747992118,2cyclictest0-21swapper/108:10:011
2693747992117,3cyclictest698-21in:imuxsock10:15:021
269374699219,7cyclictest2898398-21switchtime09:50:050
269374699219,5cyclictest2969896-21ssh10:39:590
269374699217,5cyclictest3022755-21munin-run11:15:010
269374699216,7cyclictest2847743-21sh09:15:550
269374699216,6cyclictest4922-21rtkit-daemon07:33:070
269374699216,6cyclictest274-21systemd-journal10:05:030
2693746992115,5cyclictest2776781-21kthreadcore08:19:590
2693746992115,5cyclictest2745264-21kthreadcore07:54:580
2693746992115,5cyclictest0-21swapper/012:30:030
2693746992114,6cyclictest2873872-21kthreadcore09:34:590
2693746992114,6cyclictest2805315-21kthreadcore08:44:580
2693746992114,2cyclictest3145176-21kthreadcore12:39:590
2693746992114,2cyclictest2708877-21kthreadcore07:24:580
2693746992113,3cyclictest2962075-21kthreadcore10:34:580
2693746992113,3cyclictest2822428-21cpuspeed_turbos08:59:530
2693746992113,3cyclictest2811332-21kthreadcore08:49:580
2693746992113,3cyclictest2794785-21kthreadcore08:34:590
2693746992113,3cyclictest2794785-21kthreadcore08:34:590
2693746992113,3cyclictest2752732-21kthreadcore07:59:580
2693746992113,3cyclictest2728025-21kthreadcore07:39:590
2693746992110,4cyclictest0-21swapper/009:36:250
269374699210,5cyclictest3068235-21ssh11:47:390
269374699210,5cyclictest3010056-21ssh11:08:440
3153791200,2phc2sys0-21swapper/309:27:533
2693748992017,1cyclictest0-21swapper/210:20:022
2693748992017,1cyclictest0-21swapper/207:15:012
2693748992015,3cyclictest0-21swapper/207:30:012
2693748992011,3cyclictest0-21swapper/211:30:022
269374799209,3cyclictest0-21swapper/110:40:391
2693747992018,1cyclictest0-21swapper/112:40:031
2693747992018,1cyclictest0-21swapper/111:25:011
269374699206,6cyclictest2833487-21mailstats09:05:050
2693746992012,3cyclictest2787293-21irqrtprio08:29:560
2693746992012,3cyclictest2787293-21irqrtprio08:29:560
2693746992012,3cyclictest2763019-21irqcore08:09:550
2693746992011,5cyclictest2977323-21kthreadcore10:45:000
2693748991916,1cyclictest0-21swapper/208:55:012
2693747991916,2cyclictest2971210-21ssh10:40:011
2693747991916,2cyclictest2796746-21cut08:35:011
2693747991916,2cyclictest2796746-21cut08:35:011
2693747991916,2cyclictest0-21swapper/112:25:021
2693747991916,2cyclictest0-21swapper/109:10:021
3153791180,2phc2sys0-21swapper/310:29:563
3153791180,2phc2sys0-21swapper/309:31:343
2693748991815,1cyclictest0-21swapper/211:50:012
2693748991815,1cyclictest0-21swapper/210:35:012
2693747991816,1cyclictest0-21swapper/108:00:021
2693747991815,2cyclictest3113069-21/usr/sbin/munin12:20:021
2693747991815,2cyclictest3059322-21head11:40:021
2693747991815,2cyclictest3022898-21mailstats11:15:021
2693747991815,2cyclictest2861713-21mailstats09:25:031
2693747991815,2cyclictest0-21swapper/108:40:001
2693747991812,4cyclictest0-21swapper/109:50:011
492398170,2rtkit-daemon2878253-21ssh09:39:311
3153791170,2phc2sys0-21swapper/312:29:403
3153791170,2phc2sys0-21swapper/312:08:003
3153791170,2phc2sys0-21swapper/310:17:073
2693748991714,1cyclictest0-21swapper/211:35:012
2693748991714,1cyclictest0-21swapper/209:45:012
2693748991714,1cyclictest0-21swapper/208:50:002
269374799171,9cyclictest2785232-21latency_hist08:25:031
269374799171,7cyclictest2742551-21latency_hist07:50:031
2693747991714,2cyclictest3099552-21kthreadcore12:09:571
2693747991714,2cyclictest2808836-21munin-plugin-st08:45:011
2693747991714,2cyclictest2698480-21munin-node10:19:521
2693747991714,2cyclictest1-21systemd09:45:011
2693747991713,3cyclictest3015492-21pmu-power11:10:031
269374699175,2cyclictest0-21swapper/007:10:010
2693748991614,1cyclictest0-21swapper/211:20:032
2693748991613,2cyclictest0-21swapper/211:20:202
2693748991613,1cyclictest0-21swapper/211:40:012
2693748991613,1cyclictest0-21swapper/208:44:572
2693748991613,1cyclictest0-21swapper/208:15:012
2693748991613,1cyclictest0-21swapper/208:04:582
2693748991612,2cyclictest0-21swapper/209:49:562
2693748991612,2cyclictest0-21swapper/209:35:022
269374799167,2cyclictest67250irq/126-eno109:52:461
2693747991613,2cyclictest3095946-21systemd-run12:05:021
2693747991613,2cyclictest2857782-21kthreadcore09:24:581
2693747991613,2cyclictest2824941-21kthreadcore08:59:591
2693747991613,2cyclictest2749087-21cut07:55:031
2693747991613,2cyclictest1242-21mta-sts-daemon10:53:221
2693747991611,4cyclictest1247-21mta-sts-daemon10:05:241
3153791153,2phc2sys0-21swapper/309:38:393
3153791150,2phc2sys0-21swapper/311:02:123
3153791150,1phc2sys0-21swapper/309:14:023
269374899151,8cyclictest0-21swapper/209:00:022
269374899151,4cyclictest0-21swapper/207:50:022
2693748991513,1cyclictest0-21swapper/210:05:012
2693748991512,1cyclictest0-21swapper/212:24:532
2693748991512,1cyclictest0-21swapper/212:12:492
2693748991512,1cyclictest0-21swapper/212:09:562
2693748991512,1cyclictest0-21swapper/211:55:032
2693748991512,1cyclictest0-21swapper/211:06:092
2693748991512,1cyclictest0-21swapper/210:45:002
2693748991512,1cyclictest0-21swapper/209:05:012
2693748991512,1cyclictest0-21swapper/208:27:562
2693748991512,1cyclictest0-21swapper/208:27:562
2693748991512,1cyclictest0-21swapper/208:25:002
2693748991512,1cyclictest0-21swapper/208:00:012
2693748991512,1cyclictest0-21swapper/207:55:012
2693748991512,1cyclictest0-21swapper/207:44:562
2693748991511,2cyclictest0-21swapper/212:31:442
2693748991511,2cyclictest0-21swapper/212:15:202
2693748991511,2cyclictest0-21swapper/211:15:022
269374799159,2cyclictest67250irq/126-eno108:27:011
269374799159,2cyclictest67250irq/126-eno108:27:011
269374799155,2cyclictest67250irq/126-eno111:00:061
2693747991512,2cyclictest2952559-21fschecks_time10:29:551
2693747991512,2cyclictest2831117-21kthreadcore09:05:011
2693747991512,2cyclictest2700664-21if_enp1s0.807:15:031
2693747991512,2cyclictest1242-21mta-sts-daemon08:03:221
2693747991512,2cyclictest0-21swapper/112:35:011
2693747991512,2cyclictest0-21swapper/111:00:031
2693747991511,3cyclictest3037963-21unixbench-2d11:25:061
2693747991511,3cyclictest2875823-21latency_hist09:35:011
2693747991511,3cyclictest2695441-21fschecks_count07:14:551
3153791140,6phc2sys0-21swapper/309:44:503
3153791140,3phc2sys0-21swapper/311:54:463
3153791140,3phc2sys0-21swapper/309:54:553
29945972140,2sleep30-21swapper/310:56:173
269374899141,6cyclictest0-21swapper/209:10:022
2693748991412,1cyclictest0-21swapper/210:40:012
2693748991412,1cyclictest0-21swapper/209:55:032
2693748991412,1cyclictest0-21swapper/208:10:022
2693748991411,1cyclictest0-21swapper/212:39:592
2693748991411,1cyclictest0-21swapper/212:28:232
2693748991411,1cyclictest0-21swapper/211:00:002
2693748991411,1cyclictest0-21swapper/208:36:572
2693748991411,1cyclictest0-21swapper/208:30:042
2693748991411,1cyclictest0-21swapper/208:30:042
2693748991411,1cyclictest0-21swapper/207:39:592
2693748991411,1cyclictest0-21swapper/207:20:002
2693748991410,2cyclictest0-21swapper/209:21:302
269374799146,2cyclictest67250irq/126-eno111:56:411
2693747991411,2cyclictest2778762-21sendmail08:20:011
2693747991410,3cyclictest2726937-21irqcore07:39:571
3153791134,2phc2sys0-21swapper/310:37:233
3153791131,2phc2sys0-21swapper/310:10:013
3153791130,2phc2sys0-21swapper/312:22:283
3153791130,2phc2sys0-21swapper/309:57:473
3153791130,2phc2sys0-21swapper/309:45:173
3153791130,2phc2sys0-21swapper/309:01:403
269374899139,2cyclictest0-21swapper/211:02:512
269374899139,2cyclictest0-21swapper/209:16:322
269374899131,6cyclictest0-21swapper/207:10:022
2693748991311,1cyclictest0-21swapper/212:00:032
2693748991311,1cyclictest0-21swapper/210:10:032
2693748991311,1cyclictest0-21swapper/209:35:052
2693748991311,1cyclictest0-21swapper/207:30:042
2693748991310,2cyclictest0-21swapper/210:14:342
2693748991310,1cyclictest0-21swapper/210:54:532
2693748991310,1cyclictest0-21swapper/210:49:072
2693747991311,1cyclictest2677100-21GUsbEventThread07:31:481
3153791127,2phc2sys0-21swapper/308:17:433
3153791123,2phc2sys0-21swapper/312:38:593
3153791121,5phc2sys0-21swapper/307:54:513
3153791120,2phc2sys0-21swapper/311:42:123
3153791120,2phc2sys0-21swapper/309:16:353
3153791120,1phc2sys0-21swapper/308:42:013
3153791120,1phc2sys0-21swapper/307:18:093
30147902127,3sleep30-21swapper/311:10:013
29432472120,2sleep30-21swapper/310:22:243
29289582120,3sleep30-21swapper/310:13:223
269374899129,1cyclictest0-21swapper/211:40:162
2693748991210,1cyclictest0-21swapper/210:29:592
2693748991210,1cyclictest0-21swapper/209:59:582
269374799129,2cyclictest2693778-21sh07:10:011
3153791112,2phc2sys0-21swapper/311:14:593
3153791111,3phc2sys0-21swapper/308:04:583
3153791111,2phc2sys0-21swapper/312:04:123
3153791111,2phc2sys0-21swapper/307:35:043
3153791110,4phc2sys0-21swapper/311:24:523
3153791110,4phc2sys0-21swapper/308:25:023
3153791110,3phc2sys0-21swapper/310:53:073
3153791110,3phc2sys0-21swapper/308:50:023
3153791110,2phc2sys0-21swapper/312:14:503
3153791110,2phc2sys0-21swapper/311:59:563
3153791110,2phc2sys0-21swapper/311:17:313
3153791110,2phc2sys0-21swapper/310:45:213
3153791110,2phc2sys0-21swapper/310:02:483
3153791110,2phc2sys0-21swapper/309:23:103
3153791110,2phc2sys0-21swapper/307:11:153
3153791110,1phc2sys0-21swapper/310:34:273
3153791110,1phc2sys0-21swapper/308:25:463
3153791110,1phc2sys0-21swapper/308:25:463
3153791110,1phc2sys0-21swapper/308:14:043
269374899119,1cyclictest0-21swapper/207:21:142
3153791101,2phc2sys0-21swapper/312:30:333
3153791101,2phc2sys0-21swapper/308:39:573
3153791101,2phc2sys0-21swapper/308:09:573
3153791101,2phc2sys0-21swapper/307:59:533
3153791100,5phc2sys0-21swapper/308:59:513
3153791100,3phc2sys0-21swapper/307:24:553
3153791100,2phc2sys0-21swapper/312:19:513
3153791100,2phc2sys0-21swapper/311:45:493
3153791100,2phc2sys0-21swapper/311:35:033
3153791100,2phc2sys0-21swapper/311:30:023
3153791100,2phc2sys0-21swapper/307:49:563
3153791100,2phc2sys0-21swapper/307:32:403
3153791100,2phc2sys0-21swapper/307:29:513
315379191,2phc2sys0-21swapper/307:09:563
315379190,2phc2sys0-21swapper/309:05:053
315379190,2phc2sys0-21swapper/308:54:553
315379190,2phc2sys0-21swapper/308:31:473
315379190,2phc2sys0-21swapper/308:31:473
315379190,2phc2sys0-21swapper/307:40:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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