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2025-12-26 - 04:52
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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 Dec 26, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214965921110,2sleep12149644-21ssh00:38:361
184282521020,2sleep30-21swapper/321:53:263
1618090993128,2cyclictest0-21swapper/123:05:011
1618089992920,5cyclictest1912231-21munin-run22:30:000
1618091992421,1cyclictest0-21swapper/200:00:002
1618089992415,5cyclictest1805029-21/usr/sbin/munin21:33:280
1618090992320,2cyclictest1286-21avahi-daemon21:05:021
1618090992318,3cyclictest0-21swapper/122:43:181
1618091992220,1cyclictest0-21swapper/200:10:012
1618091992219,1cyclictest0-21swapper/220:25:002
1618089992219,2cyclictest1290-21dbus-daemon22:15:010
1618089992212,6cyclictest0-21swapper/023:40:020
1618091992118,1cyclictest0-21swapper/200:25:012
1618089992113,4cyclictest1814410-21aten_repower_fr21:38:200
1618091992018,1cyclictest0-21swapper/221:50:012
1618091992017,1cyclictest0-21swapper/222:28:222
1618091992017,1cyclictest0-21swapper/219:13:302
1618090992017,2cyclictest1958135-21systemd-run22:55:021
1618090992014,2cyclictest134050irq/121-eno121:53:271
1618091991916,1cyclictest0-21swapper/223:35:012
1618091991916,1cyclictest0-21swapper/223:05:022
1618091991916,1cyclictest0-21swapper/222:50:012
1618091991916,1cyclictest0-21swapper/221:40:012
1618091991916,1cyclictest0-21swapper/221:25:012
1618091991916,1cyclictest0-21swapper/221:15:572
1618091991916,1cyclictest0-21swapper/221:00:012
1618090991916,2cyclictest2122864-21cron00:25:011
1618090991916,2cyclictest1426-21gdbus23:10:001
1618090991911,3cyclictest1891171-21kthreadcore22:18:291
1618090991911,2cyclictest1618088-21cyclictest00:28:281
161808999199,5cyclictest0-21swapper/022:35:010
1618089991916,2cyclictest1632424-21latency_hist19:20:000
1618089991916,2cyclictest1326-21systemd-logind20:55:000
1618089991916,2cyclictest1-21systemd00:00:010
1618091991815,1cyclictest0-21swapper/222:15:012
1618091991815,1cyclictest0-21swapper/220:10:002
1618091991815,1cyclictest0-21swapper/200:15:012
1618090991814,3cyclictest1327-21in:imuxsock22:40:001
161808999188,5cyclictest0-21swapper/023:00:020
1618089991815,2cyclictest2031606-21apt-key23:35:010
1618089991815,2cyclictest1998013-21head23:18:240
1618089991815,2cyclictest1618088-21cyclictest22:10:010
1618089991815,2cyclictest1326-21systemd-logind23:10:000
1618089991812,5cyclictest1802763-21latency_hist21:30:020
2649091171,3phc2sys0-21swapper/323:58:203
2649091171,2phc2sys0-21swapper/321:25:143
2649091170,2phc2sys0-21swapper/323:36:513
2649091170,2phc2sys0-21swapper/300:32:453
1618091991715,1cyclictest0-21swapper/222:35:022
1618091991715,1cyclictest0-21swapper/221:35:012
1618091991715,1cyclictest0-21swapper/220:40:012
1618091991715,1cyclictest0-21swapper/200:28:272
1618091991714,1cyclictest0-21swapper/223:23:222
1618091991714,1cyclictest0-21swapper/222:57:132
1618091991714,1cyclictest0-21swapper/221:55:012
1618090991714,2cyclictest2109105-21kthreadcore00:18:271
1618090991714,2cyclictest2103618-21head00:13:351
1618090991714,2cyclictest1997863-21fschecks_count23:18:231
1618090991714,2cyclictest1994594-21grep23:15:001
1618090991714,2cyclictest1825563-21kthreadcore21:43:271
1618090991713,3cyclictest1761099-21gltestperf21:08:241
1618090991713,3cyclictest1326-21systemd-logind00:00:021
1618090991710,2cyclictest0-21swapper/122:35:021
161809099170,16cyclictest1594207-21kworker/u16:0+flush-8:019:30:091
161808999178,2cyclictest0-21swapper/021:13:360
1618089991714,2cyclictest1711343-21sh20:25:010
1618089991714,2cyclictest1668701-21dump-pmu-power19:50:010
1618089991714,2cyclictest1290-21dbus-daemon22:25:010
1618089991711,5cyclictest1850903-21aten2.4-expect21:58:210
1618089991710,3cyclictest1765786-21diskmemload00:38:150
2649091160,2phc2sys0-21swapper/323:08:043
2649091160,1phc2sys0-21swapper/321:22:023
1618091991614,1cyclictest0-21swapper/223:43:272
1618091991614,1cyclictest0-21swapper/223:15:022
1618091991614,1cyclictest0-21swapper/221:45:002
1618091991613,1cyclictest0-21swapper/222:03:282
1618091991613,1cyclictest0-21swapper/220:28:322
1618091991613,1cyclictest0-21swapper/219:53:262
1618091991613,1cyclictest0-21swapper/200:20:012
1618091991613,1cyclictest0-21swapper/200:03:272
161809199161,2cyclictest0-21swapper/223:28:212
161809099169,3cyclictest1800865-21/usr/sbin/munin21:28:321
1618090991613,2cyclictest2095843-21cut00:10:021
1618090991613,2cyclictest2047368-21kthreadcore23:43:281
1618090991613,2cyclictest1884659-21sh22:15:031
1618090991613,2cyclictest1872689-21cut22:08:291
1618090991613,2cyclictest1833971-21kthreadcore21:48:271
1618090991612,3cyclictest1704701-21unixbench_multi20:18:371
1618090991612,3cyclictest1634308-21kthreadcore19:23:261
1618090991612,2cyclictest0-21swapper/123:35:011
161808999169,3cyclictest1765786-21diskmemload22:40:180
161808999168,2cyclictest0-21swapper/023:23:240
161808999167,5cyclictest0-21swapper/022:48:300
161808999167,5cyclictest0-21swapper/021:18:270
161808999164,3cyclictest1765786-21diskmemload22:16:320
1618089991613,2cyclictest2126266-21uniq00:28:240
1618089991613,2cyclictest2043599-21cpuspeed_turbos23:43:220
1618089991613,2cyclictest1866503-21munin-plugin-st22:05:010
1618089991613,2cyclictest1288-1atopacctd00:21:190
1618089991613,2cyclictest0-21swapper/019:40:010
1618089991613,1cyclictest0-21swapper/020:30:010
1618089991610,3cyclictest1765786-21diskmemload23:26:110
1618089991610,3cyclictest1765786-21diskmemload21:21:540
1618089991610,2cyclictest1765786-21diskmemload23:14:430
2649091150,8phc2sys0-21swapper/323:11:343
1618091991513,1cyclictest0-21swapper/222:40:022
1618091991513,1cyclictest0-21swapper/222:20:012
1618091991512,1cyclictest0-21swapper/221:58:412
1618091991512,1cyclictest0-21swapper/221:10:012
1618091991512,1cyclictest0-21swapper/221:03:292
1618091991512,1cyclictest0-21swapper/220:53:222
1618091991512,1cyclictest0-21swapper/220:35:012
1618091991512,1cyclictest0-21swapper/220:18:312
1618091991512,1cyclictest0-21swapper/200:38:242
161809099159,2cyclictest2010291-21kthreadcore23:23:281
161809099158,3cyclictest1806299-21irqrtprio21:33:261
1618090991512,2cyclictest2064219-21kthreadcore23:53:291
1618090991512,2cyclictest2037506-21kthreadcore23:38:281
1618090991512,2cyclictest2016-21snmpd22:59:141
1618090991512,2cyclictest2016-21snmpd21:58:521
1618090991512,2cyclictest1944969-21kthreadcore22:48:291
1618090991512,2cyclictest1908615-21sed22:28:271
1618090991512,2cyclictest1901451-21grep22:23:301
1618090991512,2cyclictest1791945-21mailstats21:23:311
1618090991512,2cyclictest1753733-21apt-config21:00:011
1618090991512,2cyclictest1705290-21sshd20:20:541
1618090991512,2cyclictest1671210-21kthreadcore19:53:251
1618090991512,2cyclictest1662841-21latency_hist19:45:021
1618090991511,2cyclictest0-21swapper/123:50:021
1618090991510,4cyclictest1641930-21kthreadcore19:28:271
161808999158,3cyclictest1765786-21diskmemload23:54:160
161808999158,3cyclictest1765786-21diskmemload00:30:410
161808999157,2cyclictest0-21swapper/022:53:240
1618089991512,2cyclictest1765151-21head21:08:300
1618089991512,2cyclictest1751198-21kthreadcore20:58:300
1618089991512,2cyclictest1702201-21kthreadcore20:18:310
1618089991512,2cyclictest1645831-21gltestperf19:33:230
1618089991512,1cyclictest0-21swapper/019:30:010
1618089991511,3cyclictest1803765-21kworker/u16:3+nfsiod21:47:000
2649091140,2phc2sys0-21swapper/323:50:303
2649091140,2phc2sys0-21swapper/322:05:143
2649091140,2phc2sys0-21swapper/322:01:063
2649091140,2phc2sys0-21swapper/321:55:093
2649091140,1phc2sys0-21swapper/320:55:013
1618091991412,1cyclictest0-21swapper/223:40:022
1618091991412,1cyclictest0-21swapper/223:20:012
1618091991412,1cyclictest0-21swapper/222:20:122
1618091991412,1cyclictest0-21swapper/219:33:212
1618091991412,1cyclictest0-21swapper/219:30:012
1618091991411,1cyclictest0-21swapper/223:53:242
1618091991411,1cyclictest0-21swapper/223:08:282
1618091991411,1cyclictest0-21swapper/222:53:252
1618091991411,1cyclictest0-21swapper/221:28:022
1618091991411,1cyclictest0-21swapper/221:13:282
1618091991411,1cyclictest0-21swapper/220:50:012
1618091991411,1cyclictest0-21swapper/219:23:292
1618091991411,1cyclictest0-21swapper/200:33:252
161809099145,8cyclictest1-21systemd22:05:011
1618090991411,2cyclictest2136690-21kthreadcore00:33:261
1618090991411,2cyclictest2083700-21kthreadcore00:03:271
1618090991411,2cyclictest1768785-21cpuspeed21:13:231
1618090991411,2cyclictest1739297-21kthreadcore20:48:311
1618090991411,2cyclictest1712860-21irqrtprio20:28:261
1618090991411,2cyclictest1698602-21unixbench-2d20:13:341
1618090991411,2cyclictest1681621-21cpuspeed_turbos20:03:221
1618090991411,2cyclictest1663927-21gltestperf19:48:231
1618090991411,2cyclictest1625710-21latency_hist19:15:031
1618090991411,2cyclictest0-21swapper/123:30:011
1618090991410,3cyclictest1689769-21kthreadcore20:08:271
1618090991410,3cyclictest1625965-21kthreadcore19:15:031
1618090991410,3cyclictest0-21swapper/119:10:011
161808999147,3cyclictest1765786-21diskmemload21:50:230
161808999145,5cyclictest0-21swapper/022:38:430
161808999143,5cyclictest0-21swapper/020:08:200
1618089991411,2cyclictest2089319-21cpuspeed_turbos00:08:260
1618089991411,2cyclictest2077255-21kworker/u16:3-nfsiod00:17:450
1618089991411,2cyclictest1736578-21cut20:48:270
1618089991411,2cyclictest1731378-21kthreadcore20:43:270
1618089991411,2cyclictest1718948-21irqrtprio20:33:270
1618089991411,2cyclictest1674970-21systemd-run19:55:020
1618089991411,2cyclictest1635016-21kthreadcore19:23:260
1618089991410,3cyclictest1624337-21systemd-run19:15:020
2649091131,1phc2sys0-21swapper/321:11:073
2649091130,2phc2sys0-21swapper/323:17:433
2649091130,2phc2sys0-21swapper/322:56:433
2649091130,2phc2sys0-21swapper/322:35:273
2649091130,2phc2sys0-21swapper/300:20:543
161809199133,7cyclictest0-21swapper/219:48:192
1618091991311,1cyclictest0-21swapper/223:47:162
1618091991311,1cyclictest0-21swapper/222:43:232
1618091991311,1cyclictest0-21swapper/222:08:282
1618091991311,1cyclictest0-21swapper/220:43:312
1618091991311,1cyclictest0-21swapper/220:15:012
1618091991310,1cyclictest0-21swapper/219:58:222
1618091991310,1cyclictest0-21swapper/219:43:272
1618091991310,1cyclictest0-21swapper/219:38:252
161809099133,5cyclictest1729951-21aten2.4-expect20:43:211
161809099133,3cyclictest1594207-21kworker/u16:0-xprtiod21:16:191
1618090991310,2cyclictest1817035-21kthreadcore21:38:271
1618090991310,2cyclictest1746124-21kthreadcore20:53:281
1618090991310,2cyclictest1680482-21unixbench-2d19:58:311
1618090991310,2cyclictest1651814-21gltestperf19:38:251
161808999139,2cyclictest1661151-21grep19:43:290
161808999138,4cyclictest1949101-21kworker/u16:2-nfsiod00:13:160
161808999137,5cyclictest1949101-21kworker/u16:2-rpciod00:01:500
161808999135,3cyclictest0-21swapper/023:03:220
1618089991310,2cyclictest2055071-21kthreadcore23:48:270
1618089991310,2cyclictest1676585-21kthreadcore19:58:250
1618089991310,2cyclictest1288-1atopacctd21:40:060
1618089991310,2cyclictest0-21swapper/020:40:010
2649091126,2phc2sys0-21swapper/323:46:203
2649091121,1phc2sys0-21swapper/323:33:423
2649091120,5phc2sys0-21swapper/319:08:203
2649091120,2phc2sys0-21swapper/319:28:203
2649091120,1phc2sys0-21swapper/322:25:313
1618091991210,1cyclictest0-21swapper/220:03:282
1618091991210,1cyclictest0-21swapper/219:18:282
161809099129,2cyclictest1725001-21irqrtprio20:38:281
161809099121,4cyclictest2016-21snmpd20:32:041
161808999129,2cyclictest1697381-21kthreadcore20:13:290
161808999129,2cyclictest1296-21polkitd19:10:020
161808999123,4cyclictest1686786-21latency_hist20:05:010
1618089991210,1cyclictest1754380-21head21:03:210
2649091114,1phc2sys0-21swapper/300:01:043
2649091112,2phc2sys0-21swapper/322:43:213
2649091110,2phc2sys0-21swapper/321:33:283
2649091110,2phc2sys0-21swapper/300:25:053
2649091110,1phc2sys0-21swapper/323:00:243
2649091110,1phc2sys0-21swapper/320:33:043
2649091110,1phc2sys0-21swapper/320:25:423
2649091110,1phc2sys0-21swapper/320:12:083
2649091102,2phc2sys0-21swapper/320:18:253
2649091102,1phc2sys0-21swapper/322:21:213
2649091101,3phc2sys0-21swapper/322:49:063
2649091101,2phc2sys0-21swapper/321:03:303
2649091100,2phc2sys0-21swapper/323:25:573
2649091100,2phc2sys0-21swapper/323:25:013
2649091100,2phc2sys0-21swapper/322:13:273
2649091100,2phc2sys0-21swapper/321:49:513
2649091100,2phc2sys0-21swapper/320:40:013
2649091100,2phc2sys0-21swapper/320:08:193
2649091100,2phc2sys0-21swapper/320:00:023
2649091100,2phc2sys0-21swapper/319:23:193
2649091100,2phc2sys0-21swapper/300:36:393
2649091100,1phc2sys0-21swapper/319:51:323
20870922100,2sleep30-21swapper/300:05:403
161809199108,1cyclictest0-21swapper/219:10:022
264909191,3phc2sys0-21swapper/322:33:463
264909191,3phc2sys0-21swapper/319:38:213
264909191,2phc2sys0-21swapper/321:35:083
264909191,2phc2sys0-21swapper/321:10:023
264909191,2phc2sys0-21swapper/320:45:013
264909191,2phc2sys0-21swapper/319:48:203
264909191,2phc2sys0-21swapper/319:32:453
264909191,2phc2sys0-21swapper/300:16:353
264909191,1phc2sys0-21swapper/323:40:513
264909190,2phc2sys0-21swapper/322:53:273
264909190,2phc2sys0-21swapper/322:16:243
264909190,2phc2sys0-21swapper/321:41:093
264909190,2phc2sys0-21swapper/321:17:373
264909190,2phc2sys0-21swapper/320:48:263
264909190,2phc2sys0-21swapper/319:15:023
264909190,1phc2sys0-21swapper/320:58:373
264909190,1phc2sys0-21swapper/300:13:193
264909181,2phc2sys0-21swapper/320:21:063
264909180,2phc2sys0-21swapper/320:04:563
264909180,2phc2sys0-21swapper/319:43:273
264909180,2phc2sys0-21swapper/319:18:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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