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2026-09-02 - 09:16
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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 Wed Sep 02, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
313372421110,2sleep30-21swapper/320:44:533
34356442490,1sleep00-21swapper/023:40:160
31940382430,2sleep20-21swapper/221:24:482
3000623992421,1cyclictest0-21swapper/222:33:142
3000621992414,6cyclictest3207466-21cstates21:34:530
300062299230,18cyclictest3506110-21cut00:20:011
300062199228,8cyclictest0-21swapper/021:29:260
3000621992218,3cyclictest24614-21JS14:54:060
3000621992213,5cyclictest3375959-21cstates23:09:430
35156982210,3sleep30-21swapper/300:24:493
3000623992118,1cyclictest0-21swapper/221:31:092
3000622992112,5cyclictest3319543-21switchtime22:34:551
300062199211,6cyclictest3260097-21apt-get22:04:260
3000621992112,5cyclictest3172346-21if_enp1s0.821:14:490
3000623992012,4cyclictest0-21swapper/222:54:252
3000623992012,4cyclictest0-21swapper/222:54:252
3000621992013,6cyclictest3331875-21fschecks_count22:44:460
3000621992013,2cyclictest3313383-21apt-get22:34:260
3000621992012,4cyclictest3481885-21/usr/sbin/munin00:09:500
3000621992012,4cyclictest3481885-21/usr/sbin/munin00:09:500
300062199200,4cyclictest3086473-21/usr/sbin/munin20:14:510
3000622991912,3cyclictest3243414-21if_err_eno121:54:471
3000622991911,3cyclictest0-21swapper/121:40:091
3000621991911,4cyclictest3345859-21phc2sys-jitter22:50:000
3000621991910,5cyclictest3510873-21/usr/sbin/munin00:24:510
2213291190,2phc2sys0-21swapper/322:00:343
2213291190,13phc2sys0-21swapper/321:44:553
3000623991815,1cyclictest0-21swapper/223:39:252
3000623991815,1cyclictest0-21swapper/200:33:052
3000623991815,1cyclictest0-21swapper/200:06:072
3000623991815,1cyclictest0-21swapper/200:06:072
3000623991811,3cyclictest0-21swapper/222:24:262
3000622991815,2cyclictest862-21gmain20:44:561
3000622991811,2cyclictest61901-21gmain21:20:141
3000621991815,2cyclictest24648-21gmain21:07:470
3000621991814,3cyclictest24616-21JS14:54:060
3000621991810,4cyclictest3473093-21aten2.4-expect00:04:260
2213291180,5phc2sys0-21swapper/321:59:263
3000623991715,1cyclictest0-21swapper/221:20:022
3000623991714,1cyclictest0-21swapper/223:09:092
3000623991714,1cyclictest0-21swapper/222:19:502
3000623991714,1cyclictest0-21swapper/221:56:052
3000623991714,1cyclictest0-21swapper/221:39:592
3000623991714,1cyclictest0-21swapper/221:00:012
3000623991714,1cyclictest0-21swapper/220:32:302
3000623991714,1cyclictest0-21swapper/219:34:492
3000623991714,1cyclictest0-21swapper/200:39:472
3000623991713,2cyclictest0-21swapper/219:44:482
300062299179,3cyclictest3379452-21kthreadcore23:09:491
3000622991714,2cyclictest3302255-21systemd-run22:25:011
3000622991713,3cyclictest932-1atopacctd22:14:491
3000622991713,3cyclictest3364450-21kworker/u16:1+nfsiod00:02:091
300062299170,15cyclictest3348859-21ssh22:54:251
300062299170,15cyclictest3348859-21ssh22:54:251
300062199179,7cyclictest24617-21JS14:54:060
300062199179,7cyclictest0-21swapper/023:49:260
3000621991714,2cyclictest3520947-21irqcore00:29:470
3000621991714,2cyclictest24815-21gsd-power21:56:460
300062199170,15cyclictest3154987-21systemctl21:00:000
2213291171,7phc2sys0-21swapper/300:29:263
2213291170,2phc2sys0-21swapper/320:49:523
2213291170,2phc2sys0-21swapper/300:36:043
34901042160,2sleep10-21swapper/100:13:011
32950072160,2sleep00-21swapper/022:23:070
300062399168,5cyclictest3401146-21chrt23:22:262
3000623991613,2cyclictest0-21swapper/221:15:032
3000623991613,1cyclictest0-21swapper/223:42:462
3000623991613,1cyclictest0-21swapper/223:29:492
3000623991613,1cyclictest0-21swapper/223:13:062
3000623991613,1cyclictest0-21swapper/222:59:452
3000623991613,1cyclictest0-21swapper/222:04:432
3000623991613,1cyclictest0-21swapper/221:52:052
3000623991613,1cyclictest0-21swapper/220:44:502
3000623991613,1cyclictest0-21swapper/220:14:432
3000623991613,1cyclictest0-21swapper/200:27:352
3000623991612,2cyclictest0-21swapper/223:49:262
3000623991612,2cyclictest0-21swapper/222:10:432
3000623991610,4cyclictest0-21swapper/222:09:272
300062299163,4cyclictest0-21swapper/123:24:251
3000622991613,2cyclictest3303945-21runrttasks22:28:171
3000622991613,2cyclictest3234632-21irqcore21:49:471
3000622991613,2cyclictest3217125-21irqcore21:40:011
3000622991613,2cyclictest3163450-21gltestperf21:09:441
3000622991613,2cyclictest3094129-21fschecks_time20:19:451
3000622991613,2cyclictest3086791-21tr20:14:431
3000622991613,2cyclictest24815-21gsd-power23:32:461
3000622991612,3cyclictest3258046-21kworker/u16:3+nfsiod22:47:091
3000622991612,3cyclictest3202213-21kthreadcore21:30:041
3000622991612,3cyclictest3064214-21kthreadcore19:54:531
3000622991612,3cyclictest3057617-21pmu-power19:49:521
3000622991610,4cyclictest3359259-21tr22:59:461
3000622991610,4cyclictest3100737-21cut20:24:481
300062199168,2cyclictest82050irq/121-eno100:33:330
300062199168,2cyclictest0-21swapper/022:39:490
300062199167,2cyclictest0-21swapper/021:20:010
300062199166,4cyclictest3364450-21kworker/u16:1+xprtiod23:13:570
3000621991613,2cyclictest977-21rs:main0
3000621991613,2cyclictest3085963-21systemd-run20:10:020
3000621991612,3cyclictest3466380-21kthreadcore23:59:520
3000621991612,3cyclictest3466380-21kthreadcore23:59:520
3000621991612,3cyclictest3066952-21irqrtprio19:59:470
300062199161,14cyclictest0-21swapper/023:32:580
3000621991611,1cyclictest1317014-1atop22:20:020
3000621991610,5cyclictest3415773-21kthreadcore23:29:500
2447398160,2rtkit-daemon0-21swapper/119:33:351
2213291168,3phc2sys0-21swapper/320:54:443
2213291161,2phc2sys0-21swapper/300:10:393
300062399157,5cyclictest3134631-21chrt20:45:042
300062399151,5cyclictest34897332sleep200:12:182
3000623991513,1cyclictest0-21swapper/219:57:452
3000623991512,1cyclictest0-21swapper/223:56:212
3000623991512,1cyclictest0-21swapper/223:56:212
3000623991512,1cyclictest0-21swapper/223:54:332
3000623991512,1cyclictest0-21swapper/223:34:112
3000623991512,1cyclictest0-21swapper/223:03:002
3000623991512,1cyclictest0-21swapper/222:49:522
3000623991512,1cyclictest0-21swapper/221:48:122
3000623991512,1cyclictest0-21swapper/221:05:002
3000623991512,1cyclictest0-21swapper/220:21:262
3000623991512,1cyclictest0-21swapper/220:09:262
3000623991512,1cyclictest0-21swapper/219:28:332
3000623991512,1cyclictest0-21swapper/219:14:562
3000623991511,2cyclictest0-21swapper/221:40:042
3000623991511,2cyclictest0-21swapper/219:24:482
3000623991511,2cyclictest0-21swapper/200:20:242
300062299158,4cyclictest3323343-21/usr/sbin/munin22:39:461
300062299154,6cyclictest3415214-21tr23:29:501
300062299151,5cyclictest3180232-21apt-get21:19:251
3000622991512,2cyclictest778-21dbus-daemon20:00:021
3000622991512,2cyclictest376-21systemd-journal00:10:021
3000622991512,2cyclictest376-21systemd-journal00:10:021
3000622991512,2cyclictest3453046-21systemd-run23:50:011
3000622991512,2cyclictest3399358-21apt-get23:20:011
3000622991512,2cyclictest3287721-21if_enp1s0.822:19:471
3000622991512,2cyclictest3273634-21kthreadcore22:09:511
3000622991511,3cyclictest932-1atopacctd00:34:481
3000622991511,3cyclictest3538740-21irqcore00:39:451
3000622991511,3cyclictest3453398-21kworker/u16:0+nfsiod00:27:461
3000622991511,3cyclictest3364450-21kworker/u16:1+nfsiod23:56:451
3000622991511,3cyclictest3364450-21kworker/u16:1+nfsiod23:56:451
3000622991511,3cyclictest3258046-21kworker/u16:3+nfsiod22:02:531
3000622991511,3cyclictest3252716-21kthreadcore21:59:491
3000622991511,3cyclictest3198967-21head21:30:001
3000622991511,3cyclictest3122759-21kthreadcore20:39:481
3000622991511,3cyclictest3050724-21phc2sys19:44:511
3000622991511,3cyclictest3043590-21kthreadcore19:39:491
3000622991511,3cyclictest3004974-21kthreadcore19:14:501
3000622991511,3cyclictest3000619-21cyclictest20:04:491
300062299150,13cyclictest3444031-21idleruntime-cro23:45:001
300062199158,6cyclictest0-21swapper/023:25:010
300062199155,5cyclictest0-21swapper/000:35:470
300062199155,4cyclictest3366640-21aten_repower_en23:04:290
300062199155,2cyclictest0-21swapper/023:54:470
300062199154,7cyclictest0-21swapper/022:09:250
300062199153,7cyclictest0-21swapper/000:19:450
300062199151,8cyclictest3490794-21ssh00:14:270
300062199151,8cyclictest3216897-21munin-run21:40:010
3000621991513,1cyclictest3134590-21/usr/sbin/munin20:45:030
3000621991512,2cyclictest3219239-21kthreadcore21:40:040
3000621991512,2cyclictest3142596-21head20:54:450
3000621991512,2cyclictest24617-21JS14:54:060
3000621991511,3cyclictest975-21in:imuxsock21:02:470
3000621991511,3cyclictest3006350-21kthreadcore19:14:510
3000621991511,3cyclictest24615-21JS14:54:060
300062199150,7cyclictest1-21systemd22:30:010
2213291151,5phc2sys0-21swapper/322:34:263
2213291150,3phc2sys0-21swapper/323:32:383
2213291150,2phc2sys0-21swapper/322:21:253
2213291150,2phc2sys0-21swapper/321:11:043
300062399148,3cyclictest0-21swapper/222:44:092
300062399142,7cyclictest0-21swapper/220:04:242
3000623991412,1cyclictest0-21swapper/220:19:502
3000623991412,1cyclictest0-21swapper/219:45:092
3000623991412,1cyclictest0-21swapper/219:15:042
3000623991411,2cyclictest0-21swapper/222:25:242
3000623991411,1cyclictest0-21swapper/221:09:442
3000623991411,1cyclictest0-21swapper/220:27:412
3000623991411,1cyclictest0-21swapper/219:54:532
3000623991411,1cyclictest0-21swapper/219:35:432
3000623991411,1cyclictest0-21swapper/200:17:232
3000623991410,2cyclictest0-21swapper/220:54:492
3000622991411,2cyclictest3429396-21fschecks_count23:39:441
3000622991411,2cyclictest3331127-21/usr/sbin/munin22:44:571
3000622991411,2cyclictest3141184-21cron20:50:011
3000622991410,3cyclictest3515200-21kthreadcore00:24:491
3000622991410,3cyclictest3457911-21kthreadcore23:54:491
3000622991410,3cyclictest3120565-21kworker/u16:0-ext4-rsv-conversion21:05:001
300062299140,4cyclictest0-21swapper/123:01:321
300062199143,6cyclictest3240700-21diskmemload21:50:490
3000621991412,1cyclictest3044650-21systemd-run19:40:020
3000621991411,2cyclictest777-21avahi-daemon23:20:000
3000621991411,2cyclictest3352064-21kthreadcore22:54:480
3000621991411,2cyclictest3352064-21kthreadcore22:54:480
3000621991411,2cyclictest3195104-21ptp4l21:24:510
3000621991411,2cyclictest3141205-21dump-pmu-power20:50:010
3000621991411,2cyclictest3107701-21cstates20:29:460
3000621991411,2cyclictest3105242-21kthreadcore20:24:540
3000621991411,2cyclictest3099170-21proc_pri20:19:530
3000621991410,3cyclictest3063819-21kthreadcore19:54:530
3000621991410,3cyclictest3056798-21kthreadcore19:49:500
3000621991410,3cyclictest3020555-21kthreadcore19:24:480
2213291140,3phc2sys0-21swapper/323:50:253
2213291140,3phc2sys0-21swapper/323:29:263
2213291140,3phc2sys0-21swapper/321:35:083
2213291140,3phc2sys0-21swapper/320:34:253
2213291140,2phc2sys0-21swapper/323:37:223
2213291140,2phc2sys0-21swapper/322:07:563
300062399139,2cyclictest0-21swapper/221:26:262
3000623991311,1cyclictest0-21swapper/223:20:012
3000623991311,1cyclictest0-21swapper/222:39:342
3000623991311,1cyclictest0-21swapper/200:00:282
3000623991310,1cyclictest0-21swapper/220:39:482
300062299139,3cyclictest3176031-21kthreadcore21:14:531
300062299136,5cyclictest3384840-21grep23:14:511
300062299135,7cyclictest3080497-21sshd-auth20:09:471
3000622991311,1cyclictest431-21systemd-udevd20:56:281
3000622991310,2cyclictest3030667-21latency_hist19:30:011
3000622991310,2cyclictest3011318-21gltestperf19:19:451
300062199139,3cyclictest3009184-21kthreadcore19:15:040
300062199132,6cyclictest0-21swapper/022:10:470
300062199131,6cyclictest0-21swapper/022:59:240
3000621991310,2cyclictest3238485-21kthreadcore21:49:500
3000621991310,2cyclictest3026458-21kthreadcore19:29:490
2213291134,2phc2sys0-21swapper/322:54:513
2213291134,2phc2sys0-21swapper/322:54:513
2213291131,4phc2sys0-21swapper/320:24:273
2213291130,5phc2sys0-21swapper/319:39:253
2213291130,2phc2sys0-21swapper/323:41:093
2213291130,2phc2sys0-21swapper/323:11:243
2213291130,2phc2sys0-21swapper/323:05:173
2213291130,2phc2sys0-21swapper/322:29:563
2213291130,2phc2sys0-21swapper/321:51:393
2213291130,2phc2sys0-21swapper/321:49:043
2213291130,2phc2sys0-21swapper/320:10:353
2213291130,2phc2sys0-21swapper/300:16:573
2213291130,2phc2sys0-21swapper/300:04:263
2213291130,1phc2sys0-21swapper/321:30:003
300062299129,2cyclictest3107619-21cpuspeed_turbos20:29:451
300062299128,3cyclictest3017821-21cpuspeed_turbos19:24:421
300062299126,5cyclictest778-21dbus-daemon20:35:021
2447398120,3rtkit-daemon798-21mta-sts-daemon19:08:060
2213291121,2phc2sys0-21swapper/300:33:003
2213291120,4phc2sys0-21swapper/320:09:273
2213291120,3phc2sys0-21swapper/322:19:273
2213291120,2phc2sys0-21swapper/323:03:413
2213291120,2phc2sys0-21swapper/321:05:503
34446662110,2sleep30-21swapper/323:45:453
300062299117,3cyclictest3142048-21aten_repower_vo20:54:391
29939202110,3sleep30-21swapper/319:05:063
2213291112,2phc2sys0-21swapper/322:39:483
2213291111,4phc2sys0-21swapper/319:29:273
2213291111,4phc2sys0-21swapper/319:19:273
2213291111,2phc2sys0-21swapper/321:00:023
2213291111,2phc2sys0-21swapper/320:40:023
2213291111,2phc2sys0-21swapper/320:20:023
2213291110,6phc2sys0-21swapper/319:34:263
2213291110,4phc2sys0-21swapper/321:04:253
2213291110,2phc2sys0-21swapper/323:24:253
2213291110,2phc2sys0-21swapper/322:59:243
2213291110,2phc2sys0-21swapper/322:49:263
2213291110,2phc2sys0-21swapper/321:23:343
2213291110,2phc2sys0-21swapper/320:03:503
2213291110,2phc2sys0-21swapper/319:59:263
2213291110,1phc2sys0-21swapper/321:17:183
300062399108,1cyclictest0-21swapper/219:10:022
300062299104,4cyclictest3000682-21grep19:10:021
2213291101,2phc2sys0-21swapper/322:42:323
2213291101,2phc2sys0-21swapper/319:49:443
2213291100,3phc2sys0-21swapper/321:34:243
2213291100,2phc2sys0-21swapper/323:19:563
2213291100,2phc2sys0-21swapper/322:10:543
2213291100,2phc2sys0-21swapper/319:54:293
2213291100,2phc2sys0-21swapper/319:44:513
2213291100,2phc2sys0-21swapper/319:24:263
221329191,2phc2sys0-21swapper/323:56:203
221329191,2phc2sys0-21swapper/323:56:203
221329190,2phc2sys0-21swapper/320:29:483
221329190,2phc2sys0-21swapper/319:14:523
221329190,2phc2sys0-21swapper/300:05:583
221329190,2phc2sys0-21swapper/300:05:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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