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2026-06-02 - 06:09
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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 Tue Jun 02, 2026 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32401672980,1sleep00-21swapper/023:44:450
30571672970,1sleep00-21swapper/021:40:510
31671842780,2sleep20-21swapper/222:54:492
2857885992522,2cyclictest1290-21dbus-daemon23:15:020
383433398240,7rtkit-daemon3851705-21mta-sts-daemon23:50:280
30793842230,3sleep30-21swapper/321:55:013
2857885992320,2cyclictest3056589-21idleruntime-cro21:40:000
2857885992315,4cyclictest3148758-21sshd22:42:540
2857885992312,6cyclictest0-21swapper/022:40:020
2857885992312,6cyclictest0-21swapper/022:40:020
2857886992219,2cyclictest3305907-21latency_hist00:25:011
2857886992219,2cyclictest3162672-21systemd-run22:50:001
2857886992210,5cyclictest0-21swapper/122:24:441
2857885992219,2cyclictest3305852-21apt-key00:25:010
2857885992213,5cyclictest3309223-21kthreadcore00:29:490
2857885992212,4cyclictest1290-21dbus-daemon20:35:010
2857885992211,5cyclictest3227269-21kthreadcore23:34:490
2857885992118,2cyclictest3207974-21grep23:20:020
2857887992018,1cyclictest0-21swapper/223:00:012
2857886992017,2cyclictest3102106-21/usr/sbin/munin22:10:011
2857886992016,2cyclictest0-21swapper/122:30:011
2857886992012,4cyclictest3182923-21kthreadcore23:04:501
285788599209,6cyclictest0-21swapper/021:19:490
2857885992017,2cyclictest2930351-21tr20:09:430
2857885992017,2cyclictest1290-21dbus-daemon20:30:010
2857885992012,4cyclictest3265926-21kthreadcore23:59:500
2857887991916,1cyclictest0-21swapper/222:15:002
2857887991916,1cyclictest0-21swapper/222:00:002
2857887991916,1cyclictest0-21swapper/221:54:442
2857886991916,2cyclictest3277528-21aten_repower_en00:09:431
2857886991916,2cyclictest3267940-21dpkg-db-backup00:00:011
2857886991916,2cyclictest3237986-21/usr/sbin/munin23:40:001
2857886991916,2cyclictest3170346-21systemd-run22:55:011
2857886991916,2cyclictest3064421-21latency_hist21:45:021
2857886991913,2cyclictest0-21swapper/121:25:001
285788599199,5cyclictest0-21swapper/023:30:000
285788599199,5cyclictest0-21swapper/022:00:020
2857885991916,2cyclictest3824567-21rs:main0
2857885991916,2cyclictest3094510-21systemd-run22:05:030
2857885991916,2cyclictest1296-21polkitd23:40:010
2649091190,3phc2sys0-21swapper/319:49:423
31136432180,2sleep20-21swapper/222:19:492
2857887991816,1cyclictest0-21swapper/221:25:462
2857887991815,1cyclictest0-21swapper/223:35:002
2857886991815,2cyclictest3316204-21fschecks_time00:34:441
2857886991815,2cyclictest3222813-21munin-plugin-st23:30:001
2857886991815,2cyclictest3049114-21latency_hist21:35:001
2857886991815,2cyclictest2986072-21apt-key20:50:011
2857886991815,2cyclictest2986072-21apt-key20:50:011
2857886991815,2cyclictest2885301-21idleruntime-cro19:30:001
285788599187,6cyclictest0-21swapper/023:05:540
2857885991816,1cyclictest3101859-21latency_hist22:10:000
2857885991815,2cyclictest3033756-21latency_hist21:25:010
2857885991814,2cyclictest2979494-21latency_hist20:45:010
2857885991813,4cyclictest2872811-21dump-pmu-power19:20:000
2857885991811,6cyclictest0-21swapper/022:30:010
2649091180,2phc2sys0-21swapper/300:07:193
2857887991715,1cyclictest0-21swapper/200:14:442
2857887991715,1cyclictest0-21swapper/200:10:022
2857887991714,1cyclictest0-21swapper/223:45:012
2857887991714,1cyclictest0-21swapper/222:05:002
2857887991713,2cyclictest0-21swapper/221:19:492
2857887991713,2cyclictest0-21swapper/220:29:562
2857887991711,2cyclictest0-21swapper/223:52:422
285788699178,4cyclictest0-21swapper/122:19:551
2857886991714,2cyclictest3275646-21turbostat00:05:001
2857886991714,2cyclictest3139839-21grep22:34:561
2857886991714,2cyclictest2938911-21kthreadcore20:14:491
2857886991714,2cyclictest2857883-21cyclictest21:39:491
2857886991714,2cyclictest1296-21polkitd20:35:011
2857886991713,2cyclictest0-21swapper/121:15:011
2857886991713,2cyclictest0-21swapper/121:15:011
2857886991712,3cyclictest3094510-21systemd-run22:05:021
2857886991711,2cyclictest3083955-21kthreadcore21:59:501
285788599179,2cyclictest0-21swapper/021:54:470
2857885991715,1cyclictest3018747-21/usr/sbin/munin21:15:000
2857885991715,1cyclictest3018747-21/usr/sbin/munin21:15:000
2857885991715,1cyclictest0-21swapper/020:50:030
2857885991715,1cyclictest0-21swapper/020:50:020
2857885991714,2cyclictest3851705-21mta-sts-daemon00:19:490
2857885991714,2cyclictest3290729-21latency_hist00:15:010
2857885991714,2cyclictest2874222-21gltestperf19:24:460
2857885991712,4cyclictest3851704-21mta-sts-daemon22:24:440
2649091170,2phc2sys0-21swapper/323:02:573
2649091170,2phc2sys0-21swapper/321:04:533
2649091170,2phc2sys0-21swapper/300:01:043
2649091170,1phc2sys0-21swapper/322:41:363
2857887991614,1cyclictest0-21swapper/223:20:012
2857887991614,1cyclictest0-21swapper/220:50:012
2857887991614,1cyclictest0-21swapper/220:50:012
2857887991613,1cyclictest0-21swapper/223:15:002
2857887991613,1cyclictest0-21swapper/222:49:472
2857887991613,1cyclictest0-21swapper/222:44:522
2857887991613,1cyclictest0-21swapper/222:40:012
2857887991613,1cyclictest0-21swapper/222:40:012
2857887991613,1cyclictest0-21swapper/222:10:002
2857887991613,1cyclictest0-21swapper/221:04:512
2857887991613,1cyclictest0-21swapper/219:45:002
2857887991613,1cyclictest0-21swapper/219:45:002
2857887991613,1cyclictest0-21swapper/219:15:022
2857887991613,1cyclictest0-21swapper/219:15:022
2857887991613,1cyclictest0-21swapper/200:30:002
2857887991613,1cyclictest0-21swapper/200:04:462
285788699167,4cyclictest0-21swapper/121:19:471
285788699165,5cyclictest3071484-21cat21:49:551
2857886991613,2cyclictest351ktimers/120:29:501
2857886991613,2cyclictest3285504-21sh00:14:451
2857886991613,2cyclictest3192182-21grep23:09:541
2857886991613,2cyclictest3036742-21irqrtprio21:29:461
2857886991613,2cyclictest2904082-21cron19:45:011
2857886991613,2cyclictest2904082-21cron19:45:001
2857886991613,2cyclictest2879231-21latency_hist19:25:001
2857886991613,2cyclictest2864976-21kthreadcore19:15:021
2857886991613,2cyclictest2864976-21kthreadcore19:15:021
2857886991613,2cyclictest2857883-21cyclictest19:39:501
2857886991613,2cyclictest2857883-21cyclictest19:39:491
2857886991613,2cyclictest1326-21systemd-logind19:20:011
2857886991613,2cyclictest0-21swapper/123:50:001
2857886991613,2cyclictest0-21swapper/123:20:021
2857886991613,2cyclictest0-21swapper/121:10:011
2857886991611,2cyclictest3851703-21mta-sts-daemon23:43:301
285788599167,4cyclictest0-21swapper/022:34:540
285788599166,5cyclictest0-21swapper/023:04:560
285788599162,9cyclictest2992949-21/usr/sbin/munin20:59:490
2857885991613,2cyclictest3328477-21threads00:39:560
2857885991613,2cyclictest3321338-21grep00:35:000
2857885991613,2cyclictest3004916-21systemd21:05:010
2857885991613,2cyclictest2923209-21systemd-run20:00:000
2857885991613,2cyclictest2916962-21latency_hist19:55:010
2857885991613,2cyclictest2864470-21kthreadcore19:15:010
2857885991613,2cyclictest2864470-21kthreadcore19:15:010
2857885991610,5cyclictest3251542-21kthreadcore23:49:500
285788599160,4cyclictest3215294-21sh23:25:000
2649091161,2phc2sys0-21swapper/323:10:293
2649091160,4phc2sys0-21swapper/323:24:453
2649091160,2phc2sys0-21swapper/322:29:543
2649091160,2phc2sys0-21swapper/321:38:363
2649091160,1phc2sys0-21swapper/319:42:453
2649091160,1phc2sys0-21swapper/319:42:453
2857887991513,1cyclictest0-21swapper/221:44:492
2857887991513,1cyclictest0-21swapper/220:24:422
2857887991513,1cyclictest0-21swapper/219:50:012
2857887991512,1cyclictest0-21swapper/223:59:492
2857887991512,1cyclictest0-21swapper/223:09:462
2857887991512,1cyclictest0-21swapper/222:35:022
2857887991512,1cyclictest0-21swapper/221:34:532
2857887991512,1cyclictest0-21swapper/221:24:492
2857887991512,1cyclictest0-21swapper/221:09:532
2857887991512,1cyclictest0-21swapper/221:00:002
2857887991512,1cyclictest0-21swapper/220:54:462
2857887991512,1cyclictest0-21swapper/220:39:472
2857887991512,1cyclictest0-21swapper/200:34:422
2857887991512,1cyclictest0-21swapper/200:24:412
2857887991511,2cyclictest0-21swapper/220:45:002
2857887991511,2cyclictest0-21swapper/219:39:422
2857887991511,2cyclictest0-21swapper/219:39:422
2857887991510,2cyclictest0-21swapper/221:13:262
2857887991510,2cyclictest0-21swapper/221:13:252
285788799150,9cyclictest0-21swapper/219:20:002
285788799150,8cyclictest0-21swapper/200:40:012
285788699159,2cyclictest134050irq/121-eno122:43:441
285788699156,4cyclictest0-21swapper/122:59:551
2857886991512,2cyclictest3851702-21mta-sts-daemon00:17:071
2857886991512,2cyclictest3146979-21ptp4l22:39:531
2857886991512,2cyclictest3146979-21ptp4l22:39:531
2857886991512,2cyclictest2992538-21latency_hist20:55:031
2857886991512,2cyclictest2976800-21kthreadcore20:44:501
2857886991512,2cyclictest2935646-21turbostat20:10:001
2857886991512,2cyclictest2919589-21kthreadcore19:59:491
2857886991512,2cyclictest2886874-21sort19:34:471
2857886991512,2cyclictest2864211-21munin-node21:53:191
2857886991512,2cyclictest0-21swapper/122:15:021
2857886991511,2cyclictest0-21swapper/100:30:021
285788699150,4cyclictest0-21swapper/123:51:091
2857885991513,1cyclictest3851705-21mta-sts-daemon21:46:230
2857885991513,1cyclictest2973446-21systemd-run20:40:020
2857885991512,2cyclictest3851702-21mta-sts-daemon22:55:320
2857885991512,2cyclictest3834332-21rtkit-daemon22:53:020
2857885991512,2cyclictest3270579-21fschecks_time00:04:440
2857885991512,2cyclictest3039859-21kthreadcore21:29:480
2857885991512,2cyclictest2888879-21kthreadcore19:34:500
2857885991512,2cyclictest1326-21systemd-logind20:15:000
2857885991512,2cyclictest1296-21polkitd20:00:060
2857885991511,3cyclictest2893147-21sort19:39:470
2857885991511,3cyclictest2893147-21sort19:39:470
285788599150,3cyclictest3109575-21idleruntime-cro22:15:000
2649091151,4phc2sys0-21swapper/321:09:423
2649091150,2phc2sys0-21swapper/322:00:323
2649091150,1phc2sys0-21swapper/322:51:143
383433398140,6rtkit-daemon3851704-21mta-sts-daemon19:29:130
2857887991412,1cyclictest0-21swapper/223:00:412
2857887991412,1cyclictest0-21swapper/222:24:482
2857887991412,1cyclictest0-21swapper/220:34:442
2857887991412,1cyclictest0-21swapper/200:19:452
2857887991411,1cyclictest0-21swapper/223:45:032
2857887991411,1cyclictest0-21swapper/220:14:512
2857887991411,1cyclictest0-21swapper/220:00:522
2857887991411,1cyclictest0-21swapper/219:29:442
2857887991410,2cyclictest0-21swapper/221:49:492
2857887991410,2cyclictest0-21swapper/220:19:432
2857887991410,2cyclictest0-21swapper/220:08:132
285788699148,5cyclictest2924440-21sort20:04:441
285788699148,5cyclictest1109-21hwrng23:10:541
2857886991411,2cyclictest3851705-21mta-sts-daemon23:20:401
2857886991411,2cyclictest3851703-21mta-sts-daemon20:24:541
2857886991411,2cyclictest2973389-21sh20:40:011
2857886991411,2cyclictest2948425-21sh20:20:021
2857886991410,3cyclictest3102233-21kworker/u16:3+nfsiod00:35:231
2857886991410,3cyclictest2999912-21gltestperf21:04:471
285788599144,5cyclictest1996-21runrttasks00:09:140
2857885991411,2cyclictest3851704-21mta-sts-daemon22:15:130
2857885991411,2cyclictest2901406-21sed19:44:500
2857885991411,2cyclictest2901406-21sed19:44:500
2649091140,2phc2sys0-21swapper/323:08:263
2649091140,2phc2sys0-21swapper/321:42:443
2649091140,2phc2sys0-21swapper/319:14:433
2649091140,2phc2sys0-21swapper/319:14:423
2649091140,2phc2sys0-21swapper/300:38:013
2649091140,2phc2sys0-21swapper/300:28:363
2649091140,1phc2sys0-21swapper/321:32:183
2649091140,1phc2sys0-21swapper/320:29:093
2857887991311,1cyclictest0-21swapper/223:29:532
2857887991311,1cyclictest0-21swapper/222:25:022
2857887991311,1cyclictest0-21swapper/221:35:532
2857887991310,1cyclictest0-21swapper/223:35:252
2857887991310,1cyclictest0-21swapper/223:24:372
2857887991310,1cyclictest0-21swapper/219:59:492
285788699139,3cyclictest3851702-21mta-sts-daemon23:32:401
285788699139,2cyclictest0-21swapper/119:10:021
2857886991311,1cyclictest2995852-21kthreadcore20:59:491
2857886991310,2cyclictest2907639-21kthreadcore19:49:501
2857886991310,2cyclictest0-21swapper/119:55:001
285788599138,4cyclictest3851705-21mta-sts-daemon20:53:410
285788599131,3cyclictest2954456-21latency_hist20:25:000
2857885991310,2cyclictest3851705-21mta-sts-daemon21:30:160
2857885991310,2cyclictest2943300-21head20:19:450
2857885991310,2cyclictest2905035-21cpuspeed_turbos19:49:440
2649091131,3phc2sys0-21swapper/323:39:413
2649091131,2phc2sys0-21swapper/320:59:523
2649091130,2phc2sys0-21swapper/323:51:223
2649091130,2phc2sys0-21swapper/323:47:033
2649091130,2phc2sys0-21swapper/322:06:533
2649091130,2phc2sys0-21swapper/321:48:463
2649091130,2phc2sys0-21swapper/319:29:223
2649091130,1phc2sys0-21swapper/322:38:313
2649091130,1phc2sys0-21swapper/322:38:303
2649091130,1phc2sys0-21swapper/320:46:123
2649091130,1phc2sys0-21swapper/320:46:123
2649091130,1phc2sys0-21swapper/319:50:383
2857887991210,1cyclictest0-21swapper/219:53:462
2857887991210,1cyclictest0-21swapper/219:24:442
285788599129,2cyclictest0-21swapper/021:09:430
285788599121,6cyclictest2857725-21latency_hist19:10:020
2649091122,2phc2sys0-21swapper/323:27:303
2649091120,2phc2sys0-21swapper/323:19:263
2649091120,2phc2sys0-21swapper/322:59:403
2649091120,2phc2sys0-21swapper/322:46:263
2649091120,2phc2sys0-21swapper/322:31:543
2649091120,2phc2sys0-21swapper/319:24:203
2649091120,2phc2sys0-21swapper/300:10:443
2649091120,1phc2sys0-21swapper/321:22:363
285788799119,1cyclictest0-21swapper/219:10:022
285788799118,1cyclictest0-21swapper/219:30:242
2649091112,2phc2sys0-21swapper/322:10:463
2649091112,2phc2sys0-21swapper/320:14:473
2649091110,3phc2sys0-21swapper/321:15:083
2649091110,3phc2sys0-21swapper/300:19:453
2649091110,2phc2sys0-21swapper/321:11:223
2649091110,2phc2sys0-21swapper/321:11:223
2649091110,2phc2sys0-21swapper/320:34:053
2649091110,2phc2sys0-21swapper/320:04:053
2649091110,2phc2sys0-21swapper/319:40:003
2649091110,2phc2sys0-21swapper/319:40:003
2649091110,2phc2sys0-21swapper/300:24:423
2649091110,1phc2sys0-21swapper/320:41:003
2649091110,1phc2sys0-21swapper/320:35:433
2649091110,1phc2sys0-21swapper/300:30:553
2649091101,2phc2sys0-21swapper/320:24:463
2649091100,2phc2sys0-21swapper/323:59:093
2649091100,2phc2sys0-21swapper/323:42:183
2649091100,2phc2sys0-21swapper/323:30:183
2649091100,2phc2sys0-21swapper/319:30:023
2649091100,1phc2sys0-21swapper/319:17:523
264909191,2phc2sys0-21swapper/321:55:353
264909190,2phc2sys0-21swapper/321:25:303
264909190,2phc2sys0-21swapper/320:54:553
264909190,2phc2sys0-21swapper/320:19:553
264909190,2phc2sys0-21swapper/320:09:543
264909190,1phc2sys0-21swapper/322:20:363
264909190,1phc2sys0-21swapper/322:16:433
264909181,1phc2sys0-21swapper/319:58:163
264909180,2phc2sys0-21swapper/319:05:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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