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2026-08-28 - 20:33
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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 Fri Aug 28, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
171272521100,2sleep30-21swapper/307:35:013
22093222590,0sleep12209319-21telnet12:39:321
21133732300,1sleep00-21swapper/011:44:510
1675933993016,7cyclictest2212467-21kthreadcore12:39:550
2447398260,12rtkit-daemon932-1atopacctd11:50:050
17685612260,2sleep10-21swapper/108:19:321
22001612240,2sleep00-21swapper/012:33:580
1675934992214,7cyclictest24615-21JS14:54:061
1675933992212,6cyclictest1867559-21kthreadcore09:24:550
1675935992118,1cyclictest0-21swapper/209:18:092
1675933992112,5cyclictest2089202-21kthreadcore11:29:550
17488542200,2sleep11748861-21irqcore08:04:531
17488542200,2sleep11748861-21irqcore08:04:531
1675934992017,2cyclictest24610-21gmain10:33:171
1675934992015,4cyclictest24617-21JS14:54:061
1675934992015,1cyclictest82050irq/121-eno112:05:231
1675934992014,2cyclictest82050irq/121-eno110:40:021
167593399208,7cyclictest0-21swapper/011:40:030
1675933992016,3cyclictest1-21systemd09:45:000
1675933992011,5cyclictest2178490-21kthreadcore12:19:560
1675933992010,9cyclictest0-21swapper/011:24:310
2213291191,2phc2sys0-21swapper/310:59:383
2213291190,2phc2sys0-21swapper/309:52:193
1675934991912,3cyclictest2192976-21kthreadcore12:29:531
1675933991915,3cyclictest2024730-21kthreadcore10:54:530
1675933991912,6cyclictest1883479-21kthreadcore09:34:510
167593399191,16cyclictest2012070-21munin-run10:45:020
1675933991910,5cyclictest2150458-21kthreadcore12:04:550
2213291181,5phc2sys0-21swapper/311:39:313
167593599189,1cyclictest0-21swapper/209:25:012
167593499182,15cyclictest351ktimers/112:14:331
1675934991815,2cyclictest2109501-21systemd-run11:40:011
1675934991815,2cyclictest1870201-21users09:25:021
1675934991814,3cyclictest2133150-21kthreadcore11:54:561
1675934991814,3cyclictest1736639-21kthreadcore07:54:541
167593499180,16cyclictest2056036-21911:10:001
1675933991815,2cyclictest1682864-21munin-run07:15:020
1675933991812,5cyclictest2197618-21switchtime12:30:000
1675933991810,4cyclictest1985406-21latency_hist10:30:010
2213291170,2phc2sys0-21swapper/311:42:593
2213291170,2phc2sys0-21swapper/310:20:043
2213291170,2phc2sys0-21swapper/310:17:283
167593599179,1cyclictest0-21swapper/212:19:562
167593599179,1cyclictest0-21swapper/211:00:032
167593599179,1cyclictest0-21swapper/210:30:012
167593599179,1cyclictest0-21swapper/209:30:022
167593599179,1cyclictest0-21swapper/207:34:562
1675935991712,2cyclictest0-21swapper/212:03:092
1675935991711,3cyclictest0-21swapper/209:06:092
1675935991711,2cyclictest0-21swapper/211:29:492
1675935991710,5cyclictest0-21swapper/211:15:022
1675934991714,2cyclictest24610-21gmain11:14:131
1675934991714,2cyclictest2177136-21kthreadcore12:19:551
1675934991714,2cyclictest1935492-21ssh10:04:511
1675934991714,2cyclictest1919793-21kthreadcore09:54:541
1675934991713,3cyclictest24619-21llvmpipe-111:33:591
1675934991713,3cyclictest2109702-21kworker/u16:2+nfsiod11:59:011
1675934991710,5cyclictest1979475-21cut10:29:481
167593399178,5cyclictest2032350-21aten2.4-expect10:59:420
167593399178,5cyclictest1859595-21kthreadcore09:19:550
167593399177,5cyclictest0-21swapper/011:14:510
167593399176,6cyclictest0-21swapper/011:59:560
167593399175,11cyclictest82050irq/121-eno108:19:320
1675933991716,1cyclictest0-21swapper/012:22:280
1675933991714,2cyclictest376-21systemd-journal09:50:030
1675933991714,2cyclictest24610-21gmain11:07:450
1675933991714,2cyclictest1958634-21grep10:15:020
1675933991713,3cyclictest1976373-21systemd-run10:25:010
1675933991710,6cyclictest1937653-21kthreadcore10:04:550
2213291162,2phc2sys0-21swapper/310:32:283
2213291160,5phc2sys0-21swapper/312:39:323
2213291160,2phc2sys0-21swapper/312:06:253
2213291160,2phc2sys0-21swapper/307:44:403
167593599168,1cyclictest0-21swapper/211:40:022
167593599168,1cyclictest0-21swapper/209:54:562
167593599161,7cyclictest0-21swapper/210:34:312
1675935991613,1cyclictest0-21swapper/211:59:552
1675935991613,1cyclictest0-21swapper/211:35:012
1675935991613,1cyclictest0-21swapper/210:19:552
167593499167,4cyclictest0-21swapper/110:50:001
167593499166,4cyclictest501rcuop/209:44:321
1675934991613,2cyclictest1829920-21grep09:00:031
1675934991613,2cyclictest1799543-21kthreadcore08:39:551
1675934991613,2cyclictest1789516-21tr08:34:491
1675934991613,2cyclictest1712763-21unixbench_singl07:35:021
1675934991613,2cyclictest1692993-21cpuspeed_turbos07:24:491
1675934991612,3cyclictest1971334-21irqcore10:24:531
167593499160,9cyclictest1943672-21ssh10:09:301
167593399167,2cyclictest0-21swapper/010:19:500
167593399165,6cyclictest0-21swapper/011:47:580
167593399164,7cyclictest1948379-21kthreadcore10:09:530
167593399163,8cyclictest1759550-21kthreadcore08:09:560
167593399162,9cyclictest1011-21gdbus11:35:010
167593399161,4cyclictest0-21swapper/011:04:590
1675933991613,2cyclictest1675931-21cyclictest09:14:460
1675933991613,2cyclictest1675931-21cyclictest07:47:590
1675933991613,2cyclictest1675931-21cyclictest07:19:530
1675933991612,3cyclictest24616-21JS14:54:060
1675933991612,3cyclictest2162881-21kworker/u16:3+nfsiod12:13:270
1675933991611,4cyclictest2014566-21aten_repower_en10:49:400
2213291151,6phc2sys0-21swapper/309:59:323
2213291150,2phc2sys0-21swapper/311:50:123
2213291150,2phc2sys0-21swapper/310:48:163
2213291150,2phc2sys0-21swapper/310:14:243
2213291150,2phc2sys0-21swapper/309:41:343
2213291150,1phc2sys0-21swapper/311:16:213
1675935991512,1cyclictest0-21swapper/210:15:012
1675935991512,1cyclictest0-21swapper/210:06:152
1675935991512,1cyclictest0-21swapper/210:04:572
1675935991512,1cyclictest0-21swapper/209:39:412
1675935991511,2cyclictest0-21swapper/210:41:112
1675935991510,4cyclictest0-21swapper/208:25:022
1675935991510,3cyclictest0-21swapper/211:55:022
1675935991510,3cyclictest0-21swapper/209:59:322
167593499157,4cyclictest2006083-21ssh10:44:491
1675934991512,2cyclictest2038880-21systemd11:00:031
1675934991511,3cyclictest932-1atopacctd07:49:551
1675934991511,3cyclictest2205322-21kthreadcore12:34:551
1675934991511,3cyclictest2074311-21kworker/u16:3+nfsiod11:23:591
1675934991511,3cyclictest2046422-21kthreadcore11:04:571
1675934991511,3cyclictest1964110-21kthreadcore10:19:551
1675934991511,3cyclictest1893587-21kthreadcore09:39:561
1675934991511,3cyclictest1886102-21kthreadcore09:34:531
1675934991511,3cyclictest1846063-21aten_repower_en09:14:371
1675934991511,3cyclictest1804977-21kthreadcore08:44:551
1675934991511,3cyclictest1779371-21kthreadcore08:24:571
1675934991511,3cyclictest1719265-21threads07:40:001
1675934991511,3cyclictest1685974-21cpuspeed_turbos07:19:491
1675934991511,3cyclictest1680537-21kthreadcore07:14:561
167593399157,1cyclictest0-21swapper/009:30:030
167593399156,4cyclictest1801970-21perf08:40:000
167593399155,6cyclictest0-21swapper/008:28:450
167593399155,6cyclictest0-21swapper/008:03:240
167593399155,6cyclictest0-21swapper/008:03:240
167593399154,6cyclictest0-21swapper/008:54:450
1675933991512,2cyclictest975-21in:imuxsock07:45:010
1675933991511,3cyclictest862-21gmain08:24:560
1675933991511,3cyclictest2071514-21kthreadcore11:19:540
1675933991511,3cyclictest1991994-21kthreadcore10:34:550
1675933991511,3cyclictest1917240-21aten_repower_en09:54:360
1675933991511,3cyclictest1826649-21kthreadcore08:59:560
1675933991511,3cyclictest1803141-21sh08:44:430
1675933991511,3cyclictest1765651-21kthreadcore08:14:550
1675933991511,3cyclictest1741638-21gltestperf07:59:510
1675933991511,3cyclictest1715960-21kthreadcore07:39:540
1675933991511,3cyclictest1703492-21kthreadcore07:29:550
1675933991511,3cyclictest1696902-21kthreadcore07:24:560
1675933991511,2cyclictest797-21polkitd12:10:030
167593399150,1cyclictest0-21swapper/009:37:080
2213291141,6phc2sys0-21swapper/307:09:313
2213291140,4phc2sys0-21swapper/309:25:573
2213291140,3phc2sys0-21swapper/311:28:173
2213291140,3phc2sys0-21swapper/310:27:263
2213291140,2phc2sys0-21swapper/312:20:493
2213291140,2phc2sys0-21swapper/311:03:183
2213291140,2phc2sys0-21swapper/310:53:293
2213291140,2phc2sys0-21swapper/308:49:343
2213291140,2phc2sys0-21swapper/307:50:023
2213291140,1phc2sys0-21swapper/312:27:413
2213291140,1phc2sys0-21swapper/308:42:293
167593599149,3cyclictest0-21swapper/211:09:322
167593599144,3cyclictest0-21swapper/207:29:322
1675935991412,1cyclictest0-21swapper/208:40:022
1675935991411,1cyclictest0-21swapper/212:30:252
1675935991411,1cyclictest0-21swapper/212:14:582
1675935991411,1cyclictest0-21swapper/212:07:112
1675935991411,1cyclictest0-21swapper/211:46:092
1675935991411,1cyclictest0-21swapper/211:44:522
1675935991411,1cyclictest0-21swapper/211:05:012
1675935991411,1cyclictest0-21swapper/210:37:262
1675935991411,1cyclictest0-21swapper/209:50:012
1675935991411,1cyclictest0-21swapper/209:45:022
1675935991411,1cyclictest0-21swapper/209:14:542
1675935991411,1cyclictest0-21swapper/209:00:012
1675935991411,1cyclictest0-21swapper/208:09:592
1675935991411,1cyclictest0-21swapper/208:05:012
1675935991411,1cyclictest0-21swapper/208:05:012
1675935991411,1cyclictest0-21swapper/207:55:012
1675935991411,1cyclictest0-21swapper/207:24:532
1675935991411,1cyclictest0-21swapper/207:15:012
1675935991410,2cyclictest0-21swapper/210:25:012
1675935991410,2cyclictest0-21swapper/208:32:092
167593499148,5cyclictest2109702-21kworker/u16:2-events_unbound11:45:261
167593499146,3cyclictest2109702-21kworker/u16:2+nfsiod12:23:491
1675934991411,2cyclictest1809742-21sshd-session08:47:491
1675934991410,3cyclictest2087796-21kthreadcore11:29:541
1675934991410,3cyclictest2070747-21kthreadcore11:19:551
1675934991410,3cyclictest1958652-21kworker/u16:1+nfsiod11:44:281
1675934991410,3cyclictest1878099-21kthreadcore09:29:541
1675934991410,3cyclictest1870346-21kworker/u16:0+nfsiod09:46:501
1675934991410,3cyclictest1820148-21kthreadcore08:54:551
1675934991410,3cyclictest1767230-21phc2sys08:14:581
1675934991410,3cyclictest1759758-21kthreadcore08:09:561
167593399147,2cyclictest0-21swapper/009:55:390
167593399141,7cyclictest376-21systemd-journal08:47:490
1675933991411,2cyclictest24617-21JS14:54:060
1675933991410,3cyclictest1958652-21kworker/u16:1+nfsiod10:35:180
1675933991410,3cyclictest1831902-21kthreadcore09:04:530
1675933991410,3cyclictest1709888-21kthreadcore07:34:550
2213291131,6phc2sys0-21swapper/308:14:323
2213291130,4phc2sys0-21swapper/307:39:313
2213291130,3phc2sys0-21swapper/309:01:133
2213291130,3phc2sys0-21swapper/307:50:093
2213291130,2phc2sys0-21swapper/312:12:223
2213291130,2phc2sys0-21swapper/311:55:433
2213291130,2phc2sys0-21swapper/311:09:323
2213291130,1phc2sys0-21swapper/311:33:023
1675935991311,1cyclictest0-21swapper/211:20:012
1675935991311,1cyclictest0-21swapper/208:45:022
1675935991310,1cyclictest0-21swapper/212:40:032
1675935991310,1cyclictest0-21swapper/212:24:542
1675935991310,1cyclictest0-21swapper/210:53:302
1675935991310,1cyclictest0-21swapper/209:04:562
1675935991310,1cyclictest0-21swapper/208:19:532
1675935991310,1cyclictest0-21swapper/207:45:012
167593599130,2cyclictest0-21swapper/207:39:322
167593499139,3cyclictest1842402-21kthreadcore09:09:561
167593499137,5cyclictest1958652-21kworker/u16:1-events_unbound10:51:311
167593499134,5cyclictest1858972-21cut09:19:551
1675934991310,2cyclictest778-21dbus-daemon10:15:011
1675934991310,2cyclictest777-21avahi-daemon09:04:581
1675934991310,2cyclictest1782553-21cpuspeed_turbos08:29:481
167593499130,4cyclictest0-21swapper/107:27:091
167593399131,7cyclictest24604-21gnome-shell09:08:090
2213291120,3phc2sys0-21swapper/312:19:323
2213291120,3phc2sys0-21swapper/310:05:593
2213291120,2phc2sys0-21swapper/311:45:353
2213291120,2phc2sys0-21swapper/309:24:013
2213291120,2phc2sys0-21swapper/307:29:563
18249072124,2sleep30-21swapper/308:59:553
167593599129,1cyclictest0-21swapper/208:28:362
167593599129,1cyclictest0-21swapper/207:49:492
167593599122,6cyclictest0-21swapper/210:49:332
1675935991210,1cyclictest0-21swapper/207:19:522
167593499127,5cyclictest1733421-21kworker/u16:3-xprtiod09:58:131
167593499126,4cyclictest82050irq/121-eno112:00:191
167593499121,6cyclictest1675752-21latency_hist07:10:031
2213291111,4phc2sys0-21swapper/309:09:333
2213291111,4phc2sys0-21swapper/308:04:323
2213291111,4phc2sys0-21swapper/308:04:323
2213291111,2phc2sys0-21swapper/307:24:093
2213291110,5phc2sys0-21swapper/311:24:313
2213291110,2phc2sys0-21swapper/312:32:553
2213291110,2phc2sys0-21swapper/310:01:173
2213291110,2phc2sys0-21swapper/309:38:043
2213291110,1phc2sys0-21swapper/310:42:543
2213291110,1phc2sys0-21swapper/308:51:033
2213291110,1phc2sys0-21swapper/308:35:393
167593599119,1cyclictest0-21swapper/212:25:082
167593599119,1cyclictest0-21swapper/208:54:552
167593599119,1cyclictest0-21swapper/208:47:012
167593599119,1cyclictest0-21swapper/208:10:102
167593599119,1cyclictest0-21swapper/207:57:522
167593599118,1cyclictest0-21swapper/211:20:392
167593599118,1cyclictest0-21swapper/209:31:032
167593399116,4cyclictest778-21dbus-daemon07:10:010
2213291101,4phc2sys0-21swapper/308:34:323
2213291100,3phc2sys0-21swapper/310:36:333
2213291100,3phc2sys0-21swapper/309:30:513
2213291100,3phc2sys0-21swapper/308:29:543
2213291100,2phc2sys0-21swapper/312:00:123
2213291100,2phc2sys0-21swapper/311:11:243
2213291100,2phc2sys0-21swapper/309:46:503
2213291100,2phc2sys0-21swapper/309:16:323
2213291100,2phc2sys0-21swapper/309:14:433
2213291100,2phc2sys0-21swapper/308:08:493
2213291100,2phc2sys0-21swapper/307:19:323
167593599108,1cyclictest0-21swapper/207:10:022
221329191,1phc2sys0-21swapper/308:20:363
221329190,2phc2sys0-21swapper/307:59:563
221329190,2phc2sys0-21swapper/307:12:023
221329180,2phc2sys0-21swapper/308:15:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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