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2026-09-14 - 04:44
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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 376 highest latencies:
System rackeslot2.osadl.org (updated Mon Sep 14, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
389308421090,2sleep10-21swapper/123:54:291
387787421020,1sleep10-21swapper/123:45:031
379980321020,2sleep30-21swapper/323:02:083
373879621010,2sleep30-21swapper/322:28:283
39004532350,2sleep20-21swapper/223:59:352
35437252330,1sleep03543724-21acpi20:29:080
3437176993013,9cyclictest0-21swapper/123:04:091
3437176992718,3cyclictest977-21rs:main1
3437175992717,8cyclictest376-21systemd-journal00:10:020
3437175992518,6cyclictest3907198-21if_enp1s000:04:290
3437176992414,3cyclictest3866039-21kthreadcore23:39:311
3437175992415,7cyclictest3684439-21latency_hist21:55:020
3437175992415,5cyclictest3730910-21cstates22:24:260
3437176992313,3cyclictest3683780-21timerwakeupswit21:54:371
3437176992312,4cyclictest3789953-21922:55:021
3437175992316,6cyclictest3628129-21kthreadcore21:24:300
3437175992313,6cyclictest3890839-21kthreadcore23:54:280
3437176992211,3cyclictest3797186-21kthreadcore22:59:331
343717599229,2cyclictest0-21swapper/021:31:190
343717599225,12cyclictest3862198-21/usr/sbin/munin23:39:330
3437175992215,6cyclictest3660183-21aten_repower_fr21:44:150
3437175992211,7cyclictest3778350-21kthreadcore22:49:290
3437175992210,6cyclictest3621740-21latency21:19:350
3437176992118,2cyclictest3851339-21/usr/sbin/munin23:30:021
343717599219,7cyclictest0-21swapper/021:29:080
3437175992118,2cyclictest3938763-21switchtime00:19:360
3437175992117,3cyclictest3604867-21timerandwakeup21:09:370
3437175992117,3cyclictest3588150-21kthreadcore20:59:310
3437175992117,3cyclictest3588150-21kthreadcore20:59:310
3437175992117,3cyclictest3560569-21kthreadcore20:39:310
3437175992114,6cyclictest3715506-21kthreadcore22:14:310
3437175992114,6cyclictest3715506-21kthreadcore22:14:310
3437175992112,8cyclictest3760059-21kthreadcore22:39:330
3437175992112,5cyclictest0-21swapper/022:05:020
3437175992111,9cyclictest3824336-21timerandwakeup23:14:360
3437175992111,6cyclictest3533475-21grep20:19:310
3437176992017,2cyclictest3649304-21systemd21:35:021
3437176992011,3cyclictest932-1atopacctd00:05:011
343717599209,7cyclictest3842944-21sh23:25:420
3437175992017,2cyclictest3786272-21kthreadcore22:54:310
3437175992016,3cyclictest3793799-21kthreadcore22:59:310
3437175992016,3cyclictest3748027-21aten_repower_fr22:34:160
3437175992016,3cyclictest3574683-21kthreadcore20:49:330
3437175992016,3cyclictest3550733-21aten_repower_fr20:34:140
3437175992016,3cyclictest3462159-21irqrtprio19:29:300
3437175992016,3cyclictest3455405-21kthreadcore19:24:290
3437175992016,3cyclictest3440835-21kthreadcore19:14:300
3437175992013,6cyclictest3924788-21if_enp1s0.800:14:290
3437175992011,5cyclictest0-21swapper/023:34:370
2213391200,1ptp4l0-21swapper/323:35:013
3437177991916,1cyclictest0-21swapper/223:48:092
343717799191,5cyclictest0-21swapper/223:09:082
343717799191,5cyclictest0-21swapper/221:39:082
343717799191,10cyclictest0-21swapper/223:24:092
343717799190,15cyclictest0-21swapper/222:49:062
3437176991916,2cyclictest24610-21gmain22:03:371
343717699191,3cyclictest3692969-21apt22:00:011
343717599199,4cyclictest3437173-21cyclictest21:10:170
343717599198,6cyclictest0-21swapper/000:00:020
3437175991916,2cyclictest3839053-21kthreadcore23:24:320
3437175991916,2cyclictest3448526-21kthreadcore19:19:300
3437175991915,3cyclictest3973347-21kthreadcore00:39:320
3437175991915,3cyclictest3966328-21kthreadcore00:34:330
3437175991915,3cyclictest3811350-21kthreadcore23:09:300
3437175991915,3cyclictest3767357-21kthreadcore22:44:300
3437175991915,3cyclictest3541486-21kthreadcore20:24:310
3437175991915,3cyclictest3526386-21kthreadcore20:14:330
3437175991915,3cyclictest3489850-21irqrtprio19:49:300
3437175991915,3cyclictest3482994-21kthreadcore19:44:310
3437175991915,3cyclictest3477610-21kthreadcore19:39:320
3437175991915,3cyclictest3469365-21kthreadcore19:34:290
3437175991915,2cyclictest778-21dbus-daemon20:00:020
3437175991915,2cyclictest1227-21sshd23:46:590
3437175991914,3cyclictest3578243-21aten_repower_cu20:54:090
3437175991912,6cyclictest3953516-21cstates00:29:260
3437175991911,5cyclictest3704682-21ssh22:09:240
3437175991911,5cyclictest3704682-21ssh22:09:240
3437175991910,5cyclictest0-21swapper/023:19:180
3437175991910,5cyclictest0-21swapper/023:04:300
2213291190,2phc2sys0-21swapper/321:25:123
3437177991815,1cyclictest0-21swapper/222:51:032
3437177991814,2cyclictest0-21swapper/221:53:092
3437177991814,2cyclictest0-21swapper/200:08:412
343717799180,2cyclictest38621932sleep223:39:082
343717699189,4cyclictest0-21swapper/121:26:211
343717699187,2cyclictest82050irq/121-eno121:19:341
3437176991814,3cyclictest3830354-21kthreadcore23:19:311
3437176991813,3cyclictest3497117-21kthreadcore19:54:291
3437176991812,3cyclictest3437173-21cyclictest19:39:321
3437176991811,5cyclictest3598514-21true21:05:031
3437176991811,5cyclictest3598514-21true21:05:031
343717599188,6cyclictest3940629-21sh00:22:080
343717599188,5cyclictest0-21swapper/021:36:230
3437175991815,2cyclictest3689567-21kthreadcore21:59:340
3437175991815,2cyclictest3565628-21irqrtprio20:44:300
3437175991815,2cyclictest3496190-21tail19:54:260
3437175991814,3cyclictest3744231-21kthreadcore22:29:370
3437175991814,3cyclictest3673036-21kthreadcore21:49:330
3437175991814,3cyclictest3593067-21irqcore21:04:280
3437175991814,3cyclictest3593067-21irqcore21:04:280
2447398180,2rtkit-daemon932-1atopacctd20:04:551
37981132170,2sleep20-21swapper/222:59:382
3437177991714,1cyclictest0-21swapper/223:20:032
3437177991714,1cyclictest0-21swapper/222:00:012
3437177991714,1cyclictest0-21swapper/220:10:012
343717799171,11cyclictest0-21swapper/222:14:082
343717799171,11cyclictest0-21swapper/222:14:082
343717699178,4cyclictest0-21swapper/121:50:021
343717699176,4cyclictest3738749-21sshd-auth22:28:231
3437176991714,2cyclictest3898091-21fschecks_count23:59:311
3437176991714,2cyclictest3763391-21idleruntime-cro22:40:011
3437176991714,2cyclictest3710824-21ssh22:10:021
3437176991714,2cyclictest3710824-21ssh22:10:021
3437176991713,3cyclictest3884377-21kthreadcore23:49:301
3437176991713,3cyclictest3751092-21kthreadcore22:34:331
3437176991713,3cyclictest3599025-21aten_repower_po21:09:191
3437176991713,3cyclictest3566279-21kthreadcore20:44:311
3437176991713,3cyclictest3559312-21kthreadcore20:39:301
3437176991713,3cyclictest3547339-21kthreadcore20:29:321
3437176991713,3cyclictest3541598-21kthreadcore20:24:311
3437176991713,3cyclictest3506511-21kthreadcore19:59:331
3437176991713,3cyclictest3487530-21switchtime19:44:371
343717599177,5cyclictest0-21swapper/022:19:070
3437175991714,2cyclictest3514679-21latency20:04:330
343717599171,3cyclictest3877169-21ssh23:44:370
3437175991713,3cyclictest3522448-21/usr/sbin/munin20:10:010
2213291171,5phc2sys0-21swapper/320:29:093
2213291171,4phc2sys0-21swapper/321:19:113
2213291170,3phc2sys0-21swapper/300:34:563
2213291170,2phc2sys0-21swapper/300:20:023
36665392160,2sleep30-21swapper/321:44:563
3437177991613,1cyclictest0-21swapper/219:20:292
3437177991613,1cyclictest0-21swapper/200:19:302
343717699166,2cyclictest351ktimers/123:09:081
343717699165,2cyclictest82050irq/121-eno123:14:251
343717699161,4cyclictest3722294-21sort22:19:271
3437176991613,2cyclictest813-21systemd-logind21:15:031
3437176991613,2cyclictest777-21avahi-daemon19:50:021
3437176991613,2cyclictest3954294-21irqrtprio00:29:301
3437176991613,2cyclictest3889-21cron00:20:071
3437176991613,2cyclictest3766371-21gltestperf22:44:271
3437176991613,2cyclictest351ktimers/121:24:141
3437176991613,2cyclictest3461896-21irqcore19:29:301
3437176991613,2cyclictest3444153-21munin-node19:15:031
3437176991613,2cyclictest1188-21runrttasks22:13:571
3437176991613,2cyclictest1188-21runrttasks22:13:571
3437176991612,3cyclictest3937628-21kthreadcore00:19:311
3437176991612,3cyclictest3857392-21kthreadcore23:34:311
3437176991612,3cyclictest3588991-21kthreadcore20:59:311
3437176991612,3cyclictest3588991-21kthreadcore20:59:311
3437176991612,3cyclictest3577370-21unixbench-2d20:49:391
3437176991612,3cyclictest3553501-21kthreadcore20:34:291
3437176991612,3cyclictest3528058-21kthreadcore20:14:331
3437176991612,3cyclictest3470103-21kthreadcore19:34:301
3437176991612,3cyclictest3437173-21cyclictest20:09:281
2213291161,7phc2sys0-21swapper/322:24:083
2213291161,4phc2sys0-21swapper/320:09:093
2213291161,2phc2sys0-21swapper/323:40:103
2213291160,3phc2sys0-21swapper/323:19:253
2213291160,2phc2sys0-21swapper/321:34:333
2213291160,2phc2sys0-21swapper/320:38:103
37984452150,2sleep30-21swapper/322:59:553
37706152150,2sleep30-21swapper/322:44:323
34956942150,4sleep30-21swapper/319:54:253
3437177991512,1cyclictest0-21swapper/223:54:252
3437177991512,1cyclictest0-21swapper/221:21:352
3437177991512,1cyclictest0-21swapper/200:39:092
3437177991511,2cyclictest0-21swapper/219:10:092
343717699153,5cyclictest0-21swapper/100:31:311
343717699153,4cyclictest0-21swapper/121:44:061
343717699153,4cyclictest0-21swapper/120:19:231
343717699153,4cyclictest0-21swapper/100:36:191
343717699152,5cyclictest0-21swapper/100:12:001
3437176991512,2cyclictest24472-21rtkit-daemon20:53:501
3437176991511,3cyclictest3916439-21irqrtprio00:09:331
3437176991511,3cyclictest3838666-21kthreadcore23:24:311
3437176991511,3cyclictest3732944-21kthreadcore22:24:311
3437176991511,3cyclictest3656782-21kthreadcore21:39:331
3437176991511,3cyclictest3459082-21kthreadcore19:24:311
3437176991511,3cyclictest3447506-21cpuspeed_turbos19:19:261
2213291157,2phc2sys0-21swapper/321:39:313
2213291150,3phc2sys0-21swapper/323:28:583
2213291150,2phc2sys0-21swapper/322:52:283
2213291150,2phc2sys0-21swapper/300:29:033
343717799148,3cyclictest0-21swapper/220:53:092
343717799144,4cyclictest0-21swapper/220:44:102
343717799142,4cyclictest0-21swapper/223:14:072
3437177991412,1cyclictest0-21swapper/220:15:012
3437177991411,1cyclictest0-21swapper/221:32:142
3437177991411,1cyclictest0-21swapper/220:00:512
3437177991411,1cyclictest0-21swapper/219:59:312
3437177991411,1cyclictest0-21swapper/219:54:092
3437177991411,1cyclictest0-21swapper/219:30:012
3437177991411,1cyclictest0-21swapper/200:24:302
3437177991410,2cyclictest0-21swapper/223:44:302
3437177991410,2cyclictest0-21swapper/221:10:232
343717599140,6cyclictest3437211-21cat19:10:020
2213291140,3phc2sys0-21swapper/300:24:073
2213291140,2phc2sys0-21swapper/323:11:403
2213291140,2phc2sys0-21swapper/321:52:143
2213291140,2phc2sys0-21swapper/321:10:573
2213291140,2phc2sys0-21swapper/320:19:563
343717799139,2cyclictest0-21swapper/222:39:392
343717799139,2cyclictest0-21swapper/221:27:502
343717799138,2cyclictest0-21swapper/220:27:092
343717799131,6cyclictest0-21swapper/219:44:092
343717799131,5cyclictest0-21swapper/220:19:092
343717799131,5cyclictest0-21swapper/219:19:082
343717799131,4cyclictest0-21swapper/220:59:082
343717799131,4cyclictest0-21swapper/220:59:082
3437177991311,1cyclictest0-21swapper/222:01:212
3437177991311,1cyclictest0-21swapper/220:40:022
3437177991310,2cyclictest0-21swapper/222:26:472
3437177991310,1cyclictest0-21swapper/223:34:312
3437177991310,1cyclictest0-21swapper/223:26:322
3437177991310,1cyclictest0-21swapper/223:03:302
3437177991310,1cyclictest0-21swapper/222:44:292
3437177991310,1cyclictest0-21swapper/222:31:512
3437177991310,1cyclictest0-21swapper/222:24:062
3437177991310,1cyclictest0-21swapper/222:15:372
3437177991310,1cyclictest0-21swapper/222:08:072
3437177991310,1cyclictest0-21swapper/222:08:072
3437177991310,1cyclictest0-21swapper/221:47:272
3437177991310,1cyclictest0-21swapper/221:20:012
3437177991310,1cyclictest0-21swapper/221:09:282
3437177991310,1cyclictest0-21swapper/221:04:352
3437177991310,1cyclictest0-21swapper/221:04:352
3437177991310,1cyclictest0-21swapper/220:49:332
3437177991310,1cyclictest0-21swapper/220:34:312
3437177991310,1cyclictest0-21swapper/220:24:212
3437177991310,1cyclictest0-21swapper/219:49:332
3437177991310,1cyclictest0-21swapper/219:34:292
3437177991310,1cyclictest0-21swapper/200:26:192
3437177991310,1cyclictest0-21swapper/200:11:462
34308232131,6sleep20-21swapper/219:09:112
2213291130,3phc2sys0-21swapper/321:58:123
2213291130,3phc2sys0-21swapper/300:09:123
2213291130,2phc2sys0-21swapper/323:56:313
2213291130,2phc2sys0-21swapper/323:45:273
2213291130,2phc2sys0-21swapper/323:23:343
2213291130,2phc2sys0-21swapper/322:30:103
2213291130,2phc2sys0-21swapper/322:06:533
2213291130,2phc2sys0-21swapper/322:06:533
2213291130,2phc2sys0-21swapper/321:47:413
2213291130,2phc2sys0-21swapper/320:10:453
2213291130,2phc2sys0-21swapper/300:00:143
2213291130,1phc2sys0-21swapper/319:45:193
343717799129,1cyclictest0-21swapper/219:35:272
343717799129,1cyclictest0-21swapper/200:31:592
343717799128,2cyclictest0-21swapper/221:40:322
3437177991210,1cyclictest0-21swapper/200:00:182
2213291122,5phc2sys0-21swapper/322:05:013
2213291120,4phc2sys0-21swapper/321:24:073
2213291120,2phc2sys0-21swapper/322:13:223
2213291120,2phc2sys0-21swapper/322:13:223
2213291120,2phc2sys0-21swapper/320:51:053
2213291120,2phc2sys0-21swapper/319:24:073
2213291120,2phc2sys0-21swapper/319:12:213
2213291113,3phc2sys0-21swapper/323:10:023
2213291112,2phc2sys0-21swapper/319:09:323
2213291110,3phc2sys0-21swapper/319:33:123
2213291110,3phc2sys0-21swapper/300:13:093
2213291110,2phc2sys0-21swapper/323:39:223
2213291110,2phc2sys0-21swapper/322:45:053
2213291110,2phc2sys0-21swapper/321:09:093
2213291110,2phc2sys0-21swapper/320:24:083
343717699104,4cyclictest3437241-21true19:10:021
2213291102,2phc2sys0-21swapper/320:50:013
2213291101,2phc2sys0-21swapper/322:18:353
2213291101,2phc2sys0-21swapper/319:20:023
2213291100,2phc2sys0-21swapper/323:50:163
2213291100,2phc2sys0-21swapper/320:59:313
2213291100,2phc2sys0-21swapper/320:59:313
2213291100,2phc2sys0-21swapper/320:35:023
2213291100,1phc2sys0-21swapper/319:58:423
221329191,4phc2sys0-21swapper/320:44:103
221329191,3phc2sys0-21swapper/320:04:083
221329191,2phc2sys0-21swapper/300:36:183
221329190,2phc2sys0-21swapper/322:35:033
221329190,2phc2sys0-21swapper/321:04:083
221329190,2phc2sys0-21swapper/321:04:083
221329190,2phc2sys0-21swapper/319:44:313
221329190,2phc2sys0-21swapper/319:37:263
221329190,2phc2sys0-21swapper/319:29:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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