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2025-11-11 - 20:06
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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 Nov 11, 2025 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
835298250,2rtkit-daemon0-21swapper/011:33:450
146628499252,13cyclictest1480919-21cat07:20:011
1466283992413,7cyclictest1945782-21/usr/sbin/munin12:20:490
302487291231,5phc2sys0-21swapper/311:25:403
1466284992219,2cyclictest1-21systemd10:40:021
1466284992216,2cyclictest170550irq/121-eno112:35:481
1466285992118,1cyclictest0-21swapper/211:25:012
1466285992118,1cyclictest0-21swapper/210:10:012
1466284992118,2cyclictest1572829-21latency_hist08:35:011
1466283992112,5cyclictest1916115-21proc_pri12:00:520
1466283992112,5cyclictest1834551-21kthreadcore11:15:490
1466283992111,6cyclictest1965715-21kthreadcore12:30:470
1466283992110,6cyclictest0-21swapper/012:35:480
1466284992017,2cyclictest260-21systemd-journal11:15:021
1466284992017,2cyclictest1736685-21turbostat10:20:001
1466284992017,2cyclictest1700-21systemd-logind09:20:021
1466284992017,2cyclictest0-21swapper/107:15:011
146628399209,6cyclictest0-21swapper/009:10:020
1466283992018,1cyclictest8734-21sendmail-mta11:22:260
1466283992011,5cyclictest0-21swapper/010:30:010
302487291190,2phc2sys0-21swapper/310:09:253
302487291190,2phc2sys0-21swapper/307:30:433
146628599191,6cyclictest0-21swapper/212:40:012
1466285991916,1cyclictest0-21swapper/212:05:012
1466285991916,1cyclictest0-21swapper/210:00:512
1466285991915,2cyclictest0-21swapper/210:14:542
1466284991914,3cyclictest0-21swapper/111:10:011
146628399199,5cyclictest0-21swapper/012:25:420
146628399199,5cyclictest0-21swapper/012:20:020
1466283991916,2cyclictest1473209-21if_enp1s0.807:15:020
1466283991911,4cyclictest1805802-21sshd10:59:060
146628399190,3cyclictest0-21swapper/011:36:130
835298180,3rtkit-daemon1730489-21cut10:15:510
302487291180,3phc2sys0-21swapper/312:25:433
302487291180,2phc2sys0-21swapper/312:36:463
302487291180,2phc2sys0-21swapper/310:32:543
302487291180,2phc2sys0-21swapper/310:29:013
302487291180,2phc2sys0-21swapper/309:39:033
1466285991816,1cyclictest0-21swapper/208:30:002
1466285991816,1cyclictest0-21swapper/207:45:012
1466285991815,1cyclictest0-21swapper/211:35:002
1466285991814,1cyclictest0-21swapper/208:15:482
1466284991815,2cyclictest1861708-21kthreadcore11:30:481
1466284991815,2cyclictest1754249-21/usr/sbin/munin10:30:011
1466284991814,2cyclictest0-21swapper/109:40:011
146628399189,5cyclictest1633330-21/usr/sbin/munin09:20:480
146628399189,5cyclictest0-21swapper/010:45:520
146628399188,5cyclictest0-21swapper/009:15:560
1466283991815,2cyclictest1920816-21tr12:05:460
1466283991815,2cyclictest1466281-21cyclictest11:05:560
1466283991815,2cyclictest0-21swapper/012:00:010
146628399180,1cyclictest0-21swapper/009:45:520
302487291170,3phc2sys0-21swapper/310:36:013
302487291170,2phc2sys0-21swapper/312:18:143
146628599172,6cyclictest0-21swapper/209:20:012
146628599171,7cyclictest0-21swapper/209:30:012
1466285991715,1cyclictest0-21swapper/207:55:132
1466285991714,1cyclictest0-21swapper/209:41:002
1466285991714,1cyclictest0-21swapper/209:20:422
1466285991713,2cyclictest0-21swapper/210:45:122
1466285991711,4cyclictest0-21swapper/210:20:022
146628499178,4cyclictest0-21swapper/111:50:511
146628499171,5cyclictest1615214-21diskmemload10:12:131
1466284991714,2cyclictest1641353-21perf09:25:001
1466284991714,2cyclictest1512877-21kernelversion07:45:481
1466284991713,3cyclictest1679178-21kthreadcore09:45:481
146628399179,4cyclictest1667540-21latency_hist09:40:020
146628399179,4cyclictest1643774-21kthreadcore09:25:490
146628399178,5cyclictest1929494-21irqcore12:10:460
146628399177,6cyclictest1619018-21kthreadcore09:10:480
146628399173,8cyclictest1-21systemd08:10:000
1466283991714,2cyclictest1777249-21head10:40:520
1466283991714,2cyclictest1466281-21cyclictest10:05:470
146628399170,13cyclictest0-21swapper/009:30:560
302487291161,3phc2sys0-21swapper/310:02:203
302487291160,2phc2sys0-21swapper/310:12:053
146628599161,8cyclictest0-21swapper/212:10:402
1466285991614,1cyclictest0-21swapper/211:41:262
1466285991613,1cyclictest0-21swapper/212:23:302
1466285991613,1cyclictest0-21swapper/211:35:522
1466285991613,1cyclictest0-21swapper/211:16:112
1466285991613,1cyclictest0-21swapper/210:56:022
1466285991613,1cyclictest0-21swapper/210:40:012
1466285991613,1cyclictest0-21swapper/210:32:232
1466285991613,1cyclictest0-21swapper/209:05:012
1466285991613,1cyclictest0-21swapper/208:50:442
1466285991613,1cyclictest0-21swapper/208:30:082
1466285991613,1cyclictest0-21swapper/208:04:352
1466285991613,1cyclictest0-21swapper/207:15:012
1466285991612,2cyclictest0-21swapper/209:58:362
1466284991613,2cyclictest1938569-21kthreadcore12:15:491
1466284991613,2cyclictest1806329-21turbostat.cron11:00:001
1466284991612,3cyclictest1823385-21kworker/u16:0+nfsiod11:27:511
1466284991611,4cyclictest1506203-21gltestperf07:40:471
1466284991610,2cyclictest170550irq/121-eno112:05:011
146628399167,5cyclictest0-21swapper/010:35:010
146628399165,4cyclictest1705432-21kthreadcore10:00:510
146628399164,5cyclictest1852424-21cut11:25:510
1466283991614,1cyclictest1466281-21cyclictest11:45:000
1466283991613,2cyclictest1832390-21/usr/sbin/munin11:15:010
1466283991613,2cyclictest1549498-21irqrtprio08:15:470
1466283991613,2cyclictest1518394-21gltestperf07:50:510
1466283991613,2cyclictest0-21swapper/010:40:020
1466283991611,3cyclictest260-21systemd-journal08:14:550
302487291150,2phc2sys0-21swapper/312:31:003
302487291150,2phc2sys0-21swapper/312:00:173
302487291150,2phc2sys0-21swapper/311:55:303
302487291150,2phc2sys0-21swapper/310:51:293
146628599158,2cyclictest0-21swapper/209:33:572
146628599157,4cyclictest0-21swapper/210:20:412
146628599152,4cyclictest0-21swapper/207:10:012
1466285991513,1cyclictest0-21swapper/211:55:502
1466285991513,1cyclictest0-21swapper/211:14:192
1466285991513,1cyclictest0-21swapper/211:00:482
1466285991513,1cyclictest0-21swapper/207:48:442
1466285991513,1cyclictest0-21swapper/207:30:022
1466285991512,1cyclictest0-21swapper/212:30:482
1466285991512,1cyclictest0-21swapper/211:50:432
1466285991512,1cyclictest0-21swapper/211:49:292
1466285991512,1cyclictest0-21swapper/211:26:182
1466285991512,1cyclictest0-21swapper/210:50:172
1466285991512,1cyclictest0-21swapper/210:40:132
1466285991512,1cyclictest0-21swapper/209:45:302
1466285991512,1cyclictest0-21swapper/209:35:502
1466285991512,1cyclictest0-21swapper/209:13:472
1466285991512,1cyclictest0-21swapper/209:08:512
1466285991512,1cyclictest0-21swapper/208:55:432
1466285991512,1cyclictest0-21swapper/208:45:462
1466285991512,1cyclictest0-21swapper/207:40:012
1466285991512,1cyclictest0-21swapper/207:24:522
1466285991511,2cyclictest0-21swapper/212:25:532
1466285991511,2cyclictest0-21swapper/212:19:532
1466285991511,2cyclictest0-21swapper/211:06:222
1466284991512,2cyclictest8351-21rtkit-daemon07:39:131
1466284991512,2cyclictest1809873-21kthreadcore11:00:481
1466284991512,2cyclictest1781124-21head10:45:441
1466284991512,2cyclictest1755311-21uniq10:30:441
1466284991512,2cyclictest1696860-21kthreadcore09:55:541
1466284991512,2cyclictest1587953-21kthreadcore08:45:541
1466284991512,2cyclictest1579818-21gltestperf08:40:441
1466284991512,2cyclictest1578896-21latency_hist08:40:011
1466284991512,2cyclictest0-21swapper/109:55:011
1466284991511,3cyclictest1842483-21gltestperf11:20:451
1466284991511,3cyclictest1825423-21irqcore11:10:461
1466284991511,3cyclictest1797715-21kworker/u16:2+nfsiod11:41:091
1466284991511,3cyclictest1702060-21kworker/u16:2+nfsiod10:24:281
1466284991511,3cyclictest1652-1atopacctd07:30:421
146628499150,8cyclictest1954793-21cut12:25:411
146628499150,6cyclictest1707001-21tr10:00:511
146628399159,3cyclictest1106-21hwrng10:53:110
146628399153,1cyclictest17450irq/132-ahci[0000:00:17.0]10:15:000
1466283991512,2cyclictest1652-1atopacctd10:23:100
1466283991512,2cyclictest1652-1atopacctd09:55:540
1466283991512,2cyclictest1603071-21perf09:00:000
1466283991512,2cyclictest1524494-21gltestperf07:55:520
1466283991512,2cyclictest1505455-21/usr/sbin/munin07:40:450
1466283991512,2cyclictest1466281-21cyclictest07:33:040
146628399150,3cyclictest1535863-21dump-pmu-power08:05:000
146628399150,10cyclictest1893156-21/usr/sbin/munin11:50:010
302487291140,3phc2sys0-21swapper/308:15:023
302487291140,2phc2sys0-21swapper/310:44:573
302487291140,2phc2sys0-21swapper/309:13:553
146628599141,5cyclictest0-21swapper/212:05:392
1466285991412,1cyclictest0-21swapper/209:50:082
1466285991412,1cyclictest0-21swapper/208:07:232
1466285991411,2cyclictest0-21swapper/210:26:402
1466285991411,1cyclictest0-21swapper/208:40:512
1466285991410,2cyclictest0-21swapper/207:55:022
146628499148,2cyclictest170550irq/121-eno112:30:061
1466284991412,1cyclictest1541967-21idleruntime-cro08:10:001
1466284991411,2cyclictest1773110-21head10:40:461
1466284991411,2cyclictest1673471-21unixbench_singl09:41:011
1466284991411,2cyclictest1614254-21needreboot09:05:501
1466284991411,2cyclictest1593096-21kthreadcore08:50:451
1466284991410,3cyclictest1948620-21kthreadcore12:20:481
1466284991410,3cyclictest1867925-21aten_repower_po11:35:441
1466284991410,3cyclictest1605171-21kthreadcore09:00:471
1466284991410,3cyclictest1572074-21kworker/u16:0+nfsiod10:51:471
1466284991410,3cyclictest1572074-21kworker/u16:0+nfsiod09:25:251
146628499140,3cyclictest0-21swapper/107:55:431
146628399149,4cyclictest1466281-21cyclictest11:51:510
146628399146,4cyclictest0-21swapper/011:00:400
146628399142,6cyclictest1585336-21aten2.4-expect08:45:480
146628399141,8cyclictest0-21swapper/009:54:400
1466283991411,2cyclictest1668854-21head09:40:520
1466283991411,2cyclictest1597195-21latency_hist08:55:020
1466283991411,2cyclictest1504188-21pmu-power07:35:510
1466283991411,2cyclictest1488088-21sort07:25:550
302487291131,7phc2sys0-21swapper/311:10:403
302487291130,4phc2sys0-21swapper/311:37:473
302487291130,3phc2sys0-21swapper/311:06:123
302487291130,3phc2sys0-21swapper/309:26:183
302487291130,3phc2sys0-21swapper/308:45:003
302487291130,2phc2sys0-21swapper/312:20:543
302487291130,2phc2sys0-21swapper/311:49:173
302487291130,2phc2sys0-21swapper/310:55:103
302487291130,2phc2sys0-21swapper/309:47:093
302487291130,2phc2sys0-21swapper/309:31:503
302487291130,2phc2sys0-21swapper/309:17:043
302487291130,2phc2sys0-21swapper/308:49:553
1466285991311,1cyclictest0-21swapper/208:20:482
1466285991311,1cyclictest0-21swapper/207:35:022
1466285991310,1cyclictest0-21swapper/208:35:402
146628499139,3cyclictest1886468-21kthreadcore11:45:471
146628499139,3cyclictest1530450-21cpuspeed_turbos08:00:441
146628499137,5cyclictest1572074-21kworker/u16:0-rpciod09:30:421
146628499134,8cyclictest1902173-1ssh11:55:121
146628499132,7cyclictest1466281-21cyclictest12:12:341
146628499131,7cyclictest1523408-21perf07:55:001
1466284991310,2cyclictest1923669-21kthreadcore12:05:481
1466284991310,2cyclictest1616271-21cpuspeed_turbos09:10:431
1466284991310,2cyclictest1597516-21head08:55:421
1466284991310,2cyclictest1561080-21sh08:25:451
1466284991310,2cyclictest1560311-21latency_hist08:25:011
1466284991310,2cyclictest1481153-21aten_repower_cu07:20:411
1466284991310,2cyclictest0-21swapper/107:30:021
146628499130,1cyclictest0-21swapper/108:15:411
146628399137,5cyclictest1581217-21tr08:40:470
146628399136,3cyclictest0-21swapper/007:45:430
146628399132,5cyclictest1566803-21head08:30:420
146628399131,7cyclictest1481654-21df07:20:430
146628399131,7cyclictest1475746-21hddtemp_smartct07:16:030
146628399131,6cyclictest0-21swapper/008:20:420
1466283991310,2cyclictest1574241-21irqrtprio08:35:460
1466283991310,2cyclictest1561280-21gltestperf08:25:460
302487291121,2phc2sys0-21swapper/312:11:293
302487291121,2phc2sys0-21swapper/312:09:493
302487291120,4phc2sys0-21swapper/309:56:343
302487291120,2phc2sys0-21swapper/308:55:303
302487291120,2phc2sys0-21swapper/307:40:333
302487291120,2phc2sys0-21swapper/307:20:413
146628599129,2cyclictest0-21swapper/208:10:492
146628599126,3cyclictest0-21swapper/207:15:412
146628499129,2cyclictest1543674-21kthreadcore08:10:481
146628499124,7cyclictest1710933-1ssh10:05:141
146628399129,2cyclictest1603745-21cut09:00:420
14607342121,4sleep11461031-21df_inode07:05:441
302487291113,2phc2sys0-21swapper/308:35:393
302487291112,3phc2sys0-21swapper/307:15:013
302487291111,3phc2sys0-21swapper/310:18:433
302487291111,3phc2sys0-21swapper/309:44:043
302487291111,2phc2sys0-21swapper/308:20:443
302487291110,3phc2sys0-21swapper/311:51:533
302487291110,3phc2sys0-21swapper/310:45:403
302487291110,3phc2sys0-21swapper/307:45:423
302487291110,2phc2sys0-21swapper/311:40:433
302487291110,2phc2sys0-21swapper/310:22:443
302487291110,2phc2sys0-21swapper/309:20:403
302487291110,2phc2sys0-21swapper/309:05:413
302487291110,2phc2sys0-21swapper/308:51:343
302487291110,2phc2sys0-21swapper/307:18:003
302487291110,1phc2sys0-21swapper/311:20:193
302487291110,1phc2sys0-21swapper/308:14:553
146628399114,5cyclictest1466231-21munin-plugin-st07:10:010
302487291102,2phc2sys0-21swapper/308:05:413
302487291101,4phc2sys0-21swapper/311:15:413
302487291101,3phc2sys0-21swapper/307:30:023
302487291100,2phc2sys0-21swapper/311:30:403
302487291100,2phc2sys0-21swapper/311:01:353
302487291100,2phc2sys0-21swapper/309:51:343
302487291100,2phc2sys0-21swapper/308:30:103
302487291100,2phc2sys0-21swapper/308:04:553
302487291100,2phc2sys0-21swapper/307:50:593
302487291100,2phc2sys0-21swapper/307:35:403
30248729190,2phc2sys0-21swapper/309:00:483
30248729190,2phc2sys0-21swapper/308:25:133
30248729190,2phc2sys0-21swapper/307:05:433
30248729180,2phc2sys0-21swapper/307:55:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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