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2026-09-05 - 00:40
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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 Fri Sep 04, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
761521170,2sleep30-21swapper/307:29:213
7560821140,2sleep30-21swapper/308:14:463
48484921110,2sleep20-21swapper/212:19:462
12467521100,1sleep00-21swapper/008:50:020
4177684992213,5cyclictest245355-21kthreadcore10:04:420
417768499208,7cyclictest0-21swapper/010:35:030
417768499207,7cyclictest0-21swapper/010:39:390
417768499205,2cyclictest0-21swapper/008:44:220
4177684992013,6cyclictest214051-21systemd-run09:45:010
4177684992011,5cyclictest237225-21kthreadcore09:59:460
417768699197,4cyclictest0-21swapper/111:09:261
417768699190,1cyclictest124496-21appstreamcli08:50:011
417768699190,19cyclictest0-21swapper/111:57:071
417768499197,7cyclictest0-21swapper/010:50:020
4177684991915,3cyclictest203726-21kthreadcore09:39:450
417768499191,3cyclictest523119-21ssh12:39:560
417768799180,14cyclictest0-21swapper/208:44:222
4177686991815,2cyclictest24648-21gmain10:58:151
417768499189,8cyclictest502262-21kthreadcore12:29:430
417768499189,4cyclictest0-21swapper/009:19:220
4177684991815,2cyclictest24648-21gmain11:02:190
4177684991812,5cyclictest482291-21head12:19:420
4177684991812,4cyclictest291529-21kthreadcore10:29:440
4177684991810,7cyclictest508363-21cpuspeed_turbos12:34:370
2213291181,5phc2sys0-21swapper/310:38:273
2213291180,2phc2sys0-21swapper/311:46:413
2213291180,2phc2sys0-21swapper/309:38:013
2213291180,2phc2sys0-21swapper/309:20:173
417768699178,4cyclictest0-21swapper/111:40:011
4177686991714,2cyclictest275886-21packagekitd10:20:011
4177686991713,3cyclictest4177682-21cyclictest12:19:431
4177686991711,5cyclictest100094-21tr08:34:461
417768499179,7cyclictest364498-21systemd11:10:030
417768499176,6cyclictest24604-21gnome-shell12:23:590
417768499175,8cyclictest224363-21sshd-session09:52:430
417768499175,7cyclictest0-21swapper/010:24:500
4177684991714,2cyclictest0-21swapper/011:29:510
4177684991713,3cyclictest24617-21JS14:54:060
4177684991713,3cyclictest101196-21kthreadcore08:34:470
4177684991711,5cyclictest222371-21mailstats09:49:510
4177684991710,6cyclictest24472-21rtkit-daemon11:18:120
4177684991710,4cyclictest4177682-21cyclictest11:54:450
417768499170,15cyclictest470380-21basename12:10:000
2213291170,4phc2sys0-21swapper/311:39:473
2213291170,2phc2sys0-21swapper/312:35:563
2213291170,2phc2sys0-21swapper/311:44:053
2213291170,2phc2sys0-21swapper/310:25:473
2213291170,2phc2sys0-21swapper/310:12:243
2213291170,2phc2sys0-21swapper/309:18:083
4177687991613,1cyclictest0-21swapper/211:35:062
417768799160,8cyclictest0-21swapper/208:59:212
417768699163,6cyclictest6916-21munin-run07:25:011
4177686991613,2cyclictest4177682-21cyclictest10:39:511
4177686991613,2cyclictest376-21systemd-journal09:05:011
4177686991613,2cyclictest24648-21gmain10:50:471
4177686991612,3cyclictest373341-21kworker/u16:1+nfsiod12:23:451
4177686991612,3cyclictest146785-21if_enp1s009:09:411
4177686991612,3cyclictest128181-21kthreadcore08:54:431
4177686991611,4cyclictest300400-21kthreadcore10:34:461
417768499169,6cyclictest1188-21runrttasks10:10:520
417768499167,7cyclictest176775-21tr09:24:450
417768499165,6cyclictest0-21swapper/012:15:010
417768499164,7cyclictest0-21swapper/011:55:060
417768499162,10cyclictest195756-21ps09:34:470
417768499161,2cyclictest96851-21perf08:30:000
4177684991612,3cyclictest932-1atopacctd07:44:430
4177684991612,3cyclictest64337-21kernelversion08:09:430
4177684991612,3cyclictest429190-21fschecks_time11:49:440
4177684991612,3cyclictest373341-21kworker/u16:1+nfsiod11:32:250
4177684991612,3cyclictest371468-21kthreadcore11:14:430
4177684991612,3cyclictest183166-21kthreadcore09:29:430
4177684991612,3cyclictest15958-21kthreadcore07:34:410
4177684991612,3cyclictest12515-21kthreadcore07:29:450
417768499161,10cyclictest251683-21/usr/sbin/munin10:09:430
2213291161,3phc2sys0-21swapper/307:24:223
2213291160,4phc2sys0-21swapper/308:44:223
2213291160,2phc2sys0-21swapper/308:55:433
4177687991512,1cyclictest0-21swapper/211:49:472
4177687991512,1cyclictest0-21swapper/211:31:282
4177687991512,1cyclictest0-21swapper/211:14:212
4177687991512,1cyclictest0-21swapper/210:30:032
4177687991512,1cyclictest0-21swapper/209:29:502
4177687991512,1cyclictest0-21swapper/207:40:012
417768799150,9cyclictest0-21swapper/210:54:222
417768699159,4cyclictest202235-21tr09:39:441
4177686991512,2cyclictest4178252-21acpi07:14:211
4177686991512,2cyclictest31605-21kthreadcore07:44:441
4177686991512,2cyclictest252474-21fschecks_time10:09:451
4177686991512,2cyclictest24619-21llvmpipe-111:01:591
4177686991512,2cyclictest24619-21llvmpipe-107:25:591
4177686991512,2cyclictest24472-21rtkit-daemon12:02:361
4177686991512,2cyclictest196442-21latency_hist09:35:011
4177686991512,2cyclictest165171-21kthreadcore09:19:441
4177686991512,2cyclictest1-21systemd11:54:501
4177686991511,3cyclictest517196-21cpuspeed_turbos12:39:391
4177686991511,3cyclictest501359-21kthreadcore12:29:421
4177686991511,3cyclictest422784-21kthreadcore11:44:451
4177686991511,3cyclictest4177682-21cyclictest08:29:291
4177686991511,3cyclictest402586-21sh11:34:401
4177686991511,3cyclictest38503-21kthreadcore07:49:451
4177686991511,3cyclictest367001-21cstates11:14:361
4177686991511,3cyclictest244009-21irqcore10:04:411
4177686991511,3cyclictest230694-21kthreadcore09:54:461
4177686991511,3cyclictest21505-21aten_repower_fr07:39:291
4177686991510,4cyclictest24615-21JS14:54:061
417768499158,6cyclictest386920-21kthreadcore11:24:440
417768499156,2cyclictest0-21swapper/010:17:230
417768499155,8cyclictest4182304-21tr07:14:450
417768499154,6cyclictest0-21swapper/010:54:290
417768499153,3cyclictest459852-21grep12:04:450
417768499152,2cyclictest0-21swapper/007:24:410
4177684991512,2cyclictest798-21mta-sts-daemon11:35:060
4177684991511,3cyclictest52269-21kthreadcore07:59:450
4177684991511,3cyclictest4192696-21kthreadcore07:19:450
4177684991511,3cyclictest373341-21kworker/u16:1+nfsiod11:41:470
4177684991511,3cyclictest340123-21aten_repower_en10:59:250
4177684991511,3cyclictest151211-21kthreadcore09:09:450
4177684991511,3cyclictest128261-21kthreadcore08:54:430
4177684991510,1cyclictest191rcu_preempt09:04:220
2213291150,7phc2sys0-21swapper/308:29:223
2213291150,4phc2sys0-21swapper/312:15:183
2213291150,3phc2sys0-21swapper/310:54:223
2213291150,1phc2sys0-21swapper/311:16:593
417768799147,5cyclictest313330-21taskset10:44:012
4177687991411,1cyclictest0-21swapper/211:44:432
4177687991411,1cyclictest0-21swapper/211:04:442
4177687991411,1cyclictest0-21swapper/210:49:492
4177687991411,1cyclictest0-21swapper/210:08:192
4177687991411,1cyclictest0-21swapper/209:39:412
4177687991411,1cyclictest0-21swapper/209:04:222
4177687991411,1cyclictest0-21swapper/207:14:502
417768799140,8cyclictest0-21swapper/208:19:222
417768799140,7cyclictest0-21swapper/207:34:202
417768799140,5cyclictest0-21swapper/207:54:192
417768699141,5cyclictest1206-21snmpd10:28:521
417768699141,4cyclictest236857-21kthreadcore09:59:441
4177686991411,2cyclictest89402-21wc08:24:481
4177686991411,2cyclictest798-21mta-sts-daemon10:47:211
4177686991411,2cyclictest777-21avahi-daemon08:45:021
4177686991411,2cyclictest63154-21aten_repower_po08:09:321
4177686991411,2cyclictest4177682-21cyclictest12:09:411
4177686991411,2cyclictest4177682-21cyclictest11:28:541
4177686991411,2cyclictest4177682-21cyclictest09:40:571
4177686991411,2cyclictest24619-21llvmpipe-109:47:591
4177686991411,2cyclictest24619-21llvmpipe-107:31:591
4177686991410,3cyclictest78495-21kthreadcore08:19:431
4177686991410,3cyclictest778-21dbus-daemon11:50:011
4177686991410,3cyclictest72810-21kthreadcore08:14:431
4177686991410,3cyclictest54121-21kthreadcore07:59:461
4177686991410,3cyclictest509331-21kernelversion12:34:411
4177686991410,3cyclictest48058-21ptp4l07:54:451
4177686991410,3cyclictest4192452-21kthreadcore07:19:451
4177686991410,3cyclictest108298-21kthreadcore08:39:451
417768699140,9cyclictest320106-21cat10:45:001
417768699140,4cyclictest0-21swapper/109:20:251
417768699140,3cyclictest0-21swapper/111:17:371
417768499146,2cyclictest0-21swapper/009:14:270
417768499142,7cyclictest107756-21cut08:39:440
4177684991411,2cyclictest22754-21kthreadcore07:39:440
4177684991410,3cyclictest86356-21kthreadcore08:24:440
4177684991410,3cyclictest81538-21kthreadcore08:19:450
4177684991410,3cyclictest71464-21kthreadcore08:14:420
4177684991410,3cyclictest57481-21kthreadcore08:04:440
4177684991410,3cyclictest43095-21gltestperf07:54:380
4177684991410,3cyclictest314265-21fschecks_count10:44:400
4177684991410,3cyclictest135422-21kthreadcore08:59:430
2213291147,2phc2sys0-21swapper/311:06:333
2213291141,5phc2sys0-21swapper/307:49:223
2213291140,3phc2sys0-21swapper/308:34:243
2213291140,2phc2sys0-21swapper/312:06:263
2213291140,2phc2sys0-21swapper/312:02:573
2213291140,2phc2sys0-21swapper/310:59:483
417768799139,2cyclictest0-21swapper/212:34:422
417768799138,2cyclictest0-21swapper/210:16:162
417768799131,4cyclictest0-21swapper/211:19:232
4177687991311,1cyclictest0-21swapper/208:15:022
4177687991310,1cyclictest0-21swapper/212:24:452
4177687991310,1cyclictest0-21swapper/212:10:012
4177687991310,1cyclictest0-21swapper/211:59:402
4177687991310,1cyclictest0-21swapper/210:59:422
4177687991310,1cyclictest0-21swapper/210:39:462
4177687991310,1cyclictest0-21swapper/210:23:102
4177687991310,1cyclictest0-21swapper/208:29:442
4177687991310,1cyclictest0-21swapper/208:24:252
4177687991310,1cyclictest0-21swapper/207:25:012
417768799130,8cyclictest0-21swapper/212:29:202
417768799130,6cyclictest55688-21taskset08:00:032
417768799130,11cyclictest0-21swapper/212:03:042
417768699139,3cyclictest61887-21sendmail_mailqu08:04:491
417768699138,4cyclictest24615-21JS14:54:061
417768699134,8cyclictest259913-1ssh10:13:041
417768699133,6cyclictest4177682-21cyclictest09:13:301
417768699131,7cyclictest778-21dbus-daemon07:10:021
4177686991310,2cyclictest181464-21cstates09:29:381
417768699130,4cyclictest0-21swapper/110:24:221
3016712130,2sleep30-21swapper/310:34:483
2213291131,5phc2sys0-21swapper/311:34:223
2213291130,3phc2sys0-21swapper/312:26:433
417768799129,1cyclictest0-21swapper/211:23:572
417768799129,1cyclictest0-21swapper/211:05:312
417768799129,1cyclictest0-21swapper/210:14:112
417768799129,1cyclictest0-21swapper/210:04:442
417768799129,1cyclictest0-21swapper/209:44:452
417768799129,1cyclictest0-21swapper/209:20:032
417768799129,1cyclictest0-21swapper/209:14:432
417768799129,1cyclictest0-21swapper/208:49:202
417768799129,1cyclictest0-21swapper/208:33:582
417768799129,1cyclictest0-21swapper/207:49:432
417768799129,1cyclictest0-21swapper/207:29:432
417768799129,1cyclictest0-21swapper/207:15:072
417768799125,3cyclictest0-21swapper/212:39:222
417768799120,6cyclictest0-21swapper/210:34:222
417768699127,4cyclictest373341-21kworker/u16:1-rpciod12:12:541
2213291121,5phc2sys0-21swapper/310:24:213
2213291120,3phc2sys0-21swapper/311:54:233
2213291120,2phc2sys0-21swapper/310:05:583
2213291120,2phc2sys0-21swapper/309:56:173
2213291120,2phc2sys0-21swapper/309:30:113
2213291120,1phc2sys0-21swapper/308:36:203
417768799119,1cyclictest0-21swapper/209:46:402
417768799119,1cyclictest0-21swapper/209:24:442
417768799118,1cyclictest0-21swapper/211:29:522
417768799118,1cyclictest0-21swapper/209:59:412
417768799118,1cyclictest0-21swapper/209:31:062
417768799118,1cyclictest0-21swapper/209:06:442
417768799118,1cyclictest0-21swapper/208:00:112
417768799118,1cyclictest0-21swapper/207:44:442
417768799115,4cyclictest62744-21chrt08:06:042
417768799111,7cyclictest104163-21chrt08:36:302
417768799111,4cyclictest0-21swapper/211:50:072
2213291111,5phc2sys0-21swapper/311:24:213
2213291111,5phc2sys0-21swapper/309:54:213
2213291111,5phc2sys0-21swapper/308:09:223
2213291111,2phc2sys0-21swapper/309:09:393
2213291111,2phc2sys0-21swapper/307:19:213
2213291110,2phc2sys0-21swapper/312:20:033
2213291110,2phc2sys0-21swapper/311:25:233
2213291110,2phc2sys0-21swapper/310:15:213
2213291110,2phc2sys0-21swapper/309:14:203
2213291110,2phc2sys0-21swapper/307:33:183
2213291110,1phc2sys0-21swapper/308:21:183
417768799108,1cyclictest0-21swapper/208:50:212
417768799107,1cyclictest0-21swapper/212:10:522
417768799106,2cyclictest0-21swapper/209:50:092
2213291102,2phc2sys0-21swapper/311:59:123
2213291102,2phc2sys0-21swapper/309:40:383
2213291101,3phc2sys0-21swapper/309:28:153
2213291101,2phc2sys0-21swapper/312:31:433
2213291101,2phc2sys0-21swapper/311:10:093
2213291100,3phc2sys0-21swapper/308:15:083
2213291100,2phc2sys0-21swapper/312:10:103
2213291100,2phc2sys0-21swapper/311:03:123
2213291100,2phc2sys0-21swapper/310:47:213
2213291100,2phc2sys0-21swapper/310:01:423
2213291100,2phc2sys0-21swapper/309:47:033
2213291100,2phc2sys0-21swapper/309:04:223
2213291100,2phc2sys0-21swapper/308:54:043
2213291100,2phc2sys0-21swapper/307:44:213
41776849993,4cyclictest1-21systemd07:10:010
4171315290,5sleep20-21swapper/207:09:212
221329191,2phc2sys0-21swapper/310:40:513
221329190,2phc2sys0-21swapper/308:45:333
221329190,2phc2sys0-21swapper/308:04:223
221329190,2phc2sys0-21swapper/307:59:493
221329190,2phc2sys0-21swapper/307:54:203
221329190,2phc2sys0-21swapper/307:39:563
221329190,2phc2sys0-21swapper/307:14:483
221329180,3phc2sys0-21swapper/307:05:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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