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2026-06-30 - 06:59
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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 Jun 30, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21347012570,1sleep02134699-21ssh23:43:140
21457692510,1sleep02145768-21cut23:50:000
1765284993128,2cyclictest765-1atopacctd00:15:010
1765284993121,8cyclictest0-21swapper/021:20:020
1765284992910,14cyclictest2071439-21kthreadcore22:59:580
176528499276,16cyclictest0-21swapper/022:42:200
1765284992718,8cyclictest1944250-21aten2.4-expect21:34:520
1765284992717,8cyclictest0-21swapper/021:55:010
1765293992623,1cyclictest0-21swapper/221:05:012
1765284992622,2cyclictest1985799-21grep22:00:030
1765284992618,5cyclictest2029648-21apt-config22:30:010
1765284992616,9cyclictest2110326-21kthreadcore23:25:010
1765293992421,1cyclictest0-21swapper/200:15:012
1765289992421,2cyclictest660-21dbus-daemon23:30:011
1765289992419,1cyclictest67250irq/126-eno122:15:031
1765289992416,3cyclictest2205277-21kthreadcore00:30:001
176528499244,1cyclictest67250irq/126-eno122:15:000
1765284992415,8cyclictest2158202-21sed23:59:540
1765284992415,8cyclictest1863858-21missed_timers20:30:000
1765284992414,8cyclictest2111139-21pmu-power23:25:040
176528499241,19cyclictest0-21swapper/021:48:210
492398230,3rtkit-daemon2098355-21ssh23:19:051
176528499239,9cyclictest0-21swapper/000:01:540
1765284992320,2cyclictest2067267-21sort22:55:030
1765284992314,8cyclictest3937-21cron22:10:010
1765284992313,8cyclictest0-21swapper/022:20:030
1765284992313,6cyclictest2032817-21cstates22:34:540
1765284992313,5cyclictest0-21swapper/000:10:020
1765293992219,1cyclictest0-21swapper/221:10:012
1765289992212,4cyclictest0-21swapper/100:05:021
176528499224,6cyclictest0-21swapper/022:48:200
1765284992219,2cyclictest2221674-21latency00:40:030
1765284992213,8cyclictest1856197-21kthreadcore20:25:010
1765284992212,9cyclictest1935199-21unixbench_singl21:25:090
1765284992212,9cyclictest1805412-21gltestperf19:44:550
1765293992118,1cyclictest0-21swapper/223:45:012
1765289992119,1cyclictest1833869-21munin-plugin-st20:05:021
1765289992118,2cyclictest2074331-21/usr/sbin/munin23:00:011
1765289992118,2cyclictest1815692-21open_files19:50:011
1765289992118,2cyclictest1771362-21kthreadcore19:15:011
1765289992117,3cyclictest2219563-21kthreadcore00:40:011
1765289992117,2cyclictest1839871-21head20:10:021
1765289992113,3cyclictest0-21swapper/100:00:031
176528499218,5cyclictest2162486-21kworker/u16:1-events_unbound00:29:310
176528499215,7cyclictest2153747-21tr23:54:580
1765284992119,1cyclictest2190000-21ssh00:20:020
1765284992118,2cyclictest1882275-21ptp4l-jitter20:45:020
1765284992117,3cyclictest1778096-21systemd-run19:20:010
1765284992112,8cyclictest2130953-21kthreadcore23:39:590
1765284992112,8cyclictest1917414-21kthreadcore21:15:010
1765284992112,7cyclictest0-21swapper/019:35:020
1765284992111,9cyclictest2091351-21apt-get23:14:520
1765284992111,9cyclictest2087845-21kthreadcore23:10:000
1765284992111,9cyclictest2042769-21kthreadcore22:40:000
1765284992111,8cyclictest1993128-21missed_timers22:05:020
176528499210,5cyclictest2015745-21tail22:20:050
21947302200,1sleep10-21swapper/100:24:531
1765293992017,1cyclictest0-21swapper/221:15:022
1765293992017,1cyclictest0-21swapper/200:30:012
1765289992017,2cyclictest1976276-21kthreadcore21:55:021
1765289992017,2cyclictest1855934-21sed20:25:011
1765289992017,2cyclictest1-21systemd21:15:011
1765289992014,2cyclictest67250irq/126-eno123:10:021
176528499209,2cyclictest2099204-21df23:19:540
176528499209,2cyclictest1900415-21pmu-power21:00:030
176528499209,2cyclictest0-21swapper/019:24:570
176528499207,12cyclictest0-21swapper/000:20:230
1765284992017,2cyclictest1912235-21open_inodes21:10:030
176528499201,6cyclictest0-21swapper/021:20:520
176528499201,2cyclictest0-21swapper/019:54:530
1765284992012,7cyclictest1-21systemd20:16:200
1765284992012,4cyclictest2113263-21/usr/sbin/munin23:30:030
1765284992011,8cyclictest781-21gmain20:35:020
1765284992011,8cyclictest1959501-21gltestperf21:44:560
1765284992011,8cyclictest0-21swapper/020:50:010
1765284992010,9cyclictest1765873-21kthreadcore19:10:020
1765284992010,8cyclictest0-21swapper/020:05:020
176528499200,8cyclictest1872379-21irqrtprio20:39:580
1765293991916,1cyclictest0-21swapper/222:25:022
1765293991916,1cyclictest0-21swapper/220:00:012
1765289991916,2cyclictest2188606-21kthreadcore00:20:001
1765289991916,2cyclictest2055570-21cron22:50:001
1765289991916,2cyclictest1992824-21systemd22:05:011
1765289991916,2cyclictest1869988-21open_files20:35:011
1765289991916,2cyclictest1809922-21sh19:45:021
1765289991912,3cyclictest1940124-21kthreadcore21:29:591
176528499197,4cyclictest1935433-21kworker/u16:2-rpciod21:37:110
176528499193,2cyclictest0-21swapper/020:50:070
176528499191,6cyclictest1828911-21/usr/sbin/munin20:05:040
176528499191,6cyclictest0-21swapper/023:00:520
176528499191,6cyclictest0-21swapper/000:33:520
176528499191,2cyclictest660-21dbus-daemon19:40:030
1765284991910,8cyclictest1901511-21aten2.4-expect21:04:530
1765284991910,8cyclictest1813885-21kthreadcore19:49:590
3153791180,2phc2sys0-21swapper/322:45:243
3153791180,2phc2sys0-21swapper/322:44:573
3153791180,2phc2sys0-21swapper/300:11:523
3153791180,1phc2sys0-21swapper/321:36:253
1765293991816,1cyclictest0-21swapper/220:30:012
1765293991815,1cyclictest0-21swapper/223:19:592
1765293991815,1cyclictest0-21swapper/223:05:002
1765293991815,1cyclictest0-21swapper/221:50:032
1765293991815,1cyclictest0-21swapper/200:40:022
1765289991815,2cyclictest2095273-21sh23:15:011
1765289991815,2cyclictest1933755-21cat21:25:021
1765289991815,2cyclictest1-21systemd20:45:021
1765289991815,2cyclictest0-21swapper/122:25:021
1765289991814,3cyclictest1871925-21tail20:39:571
1765289991811,3cyclictest2010173-21aten_repower_en22:19:511
176528499186,5cyclictest1785983-21mailstats19:25:050
176528499184,5cyclictest1842079-21cut20:14:560
176528499184,5cyclictest1769304-21cut19:15:000
1765284991815,2cyclictest1827179-21grep20:00:010
1765293991714,1cyclictest0-21swapper/219:20:002
1765293991714,1cyclictest0-21swapper/200:00:022
1765293991712,2cyclictest0-21swapper/200:30:192
1765289991715,1cyclictest0-21swapper/121:35:011
1765289991714,2cyclictest571-21rpcbind22:44:091
1765289991714,2cyclictest2133034-21grep23:40:021
1765289991714,2cyclictest2103894-21wc23:20:041
1765289991714,2cyclictest2029918-21ssh22:30:021
1765289991714,2cyclictest1970924-21latency21:50:011
1765289991714,2cyclictest1962787-21kthreadcore21:45:011
1765289991714,2cyclictest1885905-21kthreadcore20:50:011
1765289991714,2cyclictest1849855-21kthreadcore20:20:021
1765289991714,2cyclictest1765555-21kthreadcore19:10:011
1765289991713,2cyclictest0-21swapper/119:25:021
1765289991711,2cyclictest1985714-21latency_hist22:00:021
3153791161,3phc2sys0-21swapper/321:23:143
3153791160,3phc2sys0-21swapper/322:19:213
3153791160,3phc2sys0-21swapper/321:18:533
1765293991614,1cyclictest0-21swapper/223:10:022
1765293991614,1cyclictest0-21swapper/221:55:012
1765293991614,1cyclictest0-21swapper/221:45:022
1765293991614,1cyclictest0-21swapper/221:35:022
1765293991613,1cyclictest0-21swapper/222:55:032
1765293991613,1cyclictest0-21swapper/222:50:022
1765293991613,1cyclictest0-21swapper/222:40:012
1765293991613,1cyclictest0-21swapper/222:20:022
1765293991613,1cyclictest0-21swapper/222:09:532
1765293991613,1cyclictest0-21swapper/221:59:562
1765293991613,1cyclictest0-21swapper/221:20:012
1765293991613,1cyclictest0-21swapper/220:50:012
1765293991613,1cyclictest0-21swapper/219:39:542
1765293991613,1cyclictest0-21swapper/219:30:012
1765293991613,1cyclictest0-21swapper/219:15:012
1765293991613,1cyclictest0-21swapper/200:10:012
176528999167,3cyclictest0-21swapper/100:11:401
1765289991614,1cyclictest1949500-21ssh21:35:051
1765289991613,2cyclictest2125661-21pmu-power23:35:021
1765289991613,2cyclictest2080290-21kthreadcore23:05:001
1765289991613,2cyclictest2044325-21kthreadcore22:40:011
1765289991613,2cyclictest1775452-21gltestperf19:19:571
1765289991612,3cyclictest4922-21rtkit-daemon22:31:161
3153791151,3phc2sys0-21swapper/323:14:533
3153791151,3phc2sys0-21swapper/321:30:043
3153791150,3phc2sys0-21swapper/321:44:513
3153791150,2phc2sys0-21swapper/322:00:143
3153791150,2phc2sys0-21swapper/321:29:003
3153791150,2phc2sys0-21swapper/300:04:583
1765293991513,1cyclictest0-21swapper/222:11:102
1765293991513,1cyclictest0-21swapper/220:05:002
1765293991513,1cyclictest0-21swapper/219:10:022
1765293991513,1cyclictest0-21swapper/200:20:032
1765293991513,1cyclictest0-21swapper/200:00:042
1765293991512,1cyclictest0-21swapper/222:02:042
1765293991512,1cyclictest0-21swapper/221:28:242
1765293991512,1cyclictest0-21swapper/220:19:562
1765293991512,1cyclictest0-21swapper/219:45:012
1765293991512,1cyclictest0-21swapper/200:25:022
1765293991511,2cyclictest0-21swapper/223:25:402
1765293991511,2cyclictest0-21swapper/221:35:382
1765293991511,2cyclictest0-21swapper/219:49:542
1765289991512,2cyclictest2174383-21kthreadcore00:10:021
1765289991512,2cyclictest2066953-21missed_timers22:55:011
1765289991512,2cyclictest0-21swapper/100:35:011
1765289991511,3cyclictest1956597-21kworker/u16:0+nfsiod23:53:271
1765289991511,3cyclictest1839957-21kworker/u16:3+nfsiod23:47:031
1765289991511,3cyclictest1803654-21phc2sys19:40:021
1765289991511,3cyclictest1247-21mta-sts-daemon22:06:111
3153791141,5phc2sys0-21swapper/319:09:533
3153791141,4phc2sys0-21swapper/323:59:503
3153791140,2phc2sys0-21swapper/323:40:183
1765293991412,1cyclictest0-21swapper/223:25:022
1765293991412,1cyclictest0-21swapper/223:14:592
1765293991412,1cyclictest0-21swapper/222:50:082
1765293991412,1cyclictest0-21swapper/222:44:552
1765293991412,1cyclictest0-21swapper/222:30:022
1765293991412,1cyclictest0-21swapper/221:20:062
1765293991412,1cyclictest0-21swapper/220:34:532
1765293991412,1cyclictest0-21swapper/220:25:012
1765293991412,1cyclictest0-21swapper/219:35:022
1765293991411,1cyclictest0-21swapper/223:35:042
1765293991411,1cyclictest0-21swapper/223:34:542
1765293991411,1cyclictest0-21swapper/220:10:212
1765293991411,1cyclictest0-21swapper/220:05:022
1765293991411,1cyclictest0-21swapper/219:21:382
1765293991410,2cyclictest0-21swapper/223:55:012
1765289991412,1cyclictest1843587-21kthreadcore20:14:571
1765289991411,2cyclictest1893183-21kthreadcore20:55:011
1765289991411,2cyclictest1785995-21mailstats19:25:051
1765289991411,2cyclictest1242-21mta-sts-daemon19:59:561
1765289991411,2cyclictest1237-21mta-sts-daemon21:06:571
1765289991411,2cyclictest0-21swapper/121:00:011
1765289991411,2cyclictest0-21swapper/119:35:031
3153791139,2phc2sys0-21swapper/319:34:593
3153791131,4phc2sys0-21swapper/321:14:533
3153791130,2phc2sys0-21swapper/323:32:573
3153791130,2phc2sys0-21swapper/323:20:553
3153791130,2phc2sys0-21swapper/323:02:583
3153791130,2phc2sys0-21swapper/322:56:583
3153791130,2phc2sys0-21swapper/321:57:363
3153791130,2phc2sys0-21swapper/320:54:533
3153791130,2phc2sys0-21swapper/300:23:153
3153791130,1phc2sys0-21swapper/321:51:143
3153791130,1phc2sys0-21swapper/320:34:303
3153791130,1phc2sys0-21swapper/319:19:363
1765293991311,1cyclictest0-21swapper/222:35:022
1765293991311,1cyclictest0-21swapper/221:00:012
1765293991311,1cyclictest0-21swapper/220:40:012
1765293991310,1cyclictest0-21swapper/223:46:152
1765293991310,1cyclictest0-21swapper/220:40:062
176528999139,3cyclictest1859362-21aten_repower_po20:29:531
176528999138,1cyclictest492398rtkit-daemon19:51:541
1765289991311,1cyclictest1901321-21/usr/sbin/munin21:04:541
1765289991311,1cyclictest1771922-21munin-node23:40:271
1765289991310,2cyclictest1237-21mta-sts-daemon21:15:051
3153791121,4phc2sys0-21swapper/320:29:523
3153791121,2phc2sys0-21swapper/322:39:573
3153791120,2phc2sys0-21swapper/322:54:533
3153791120,2phc2sys0-21swapper/322:07:033
3153791120,2phc2sys0-21swapper/320:57:183
3153791120,2phc2sys0-21swapper/300:34:083
3153791120,1phc2sys0-21swapper/322:28:393
3153791120,1phc2sys0-21swapper/320:46:563
3153791120,1phc2sys0-21swapper/319:27:373
3153791120,1phc2sys0-21swapper/300:06:333
176529399129,1cyclictest0-21swapper/219:54:572
1765293991210,1cyclictest0-21swapper/220:55:022
3153791112,2phc2sys0-21swapper/321:10:003
3153791110,2phc2sys0-21swapper/323:37:103
3153791110,2phc2sys0-21swapper/323:07:363
3153791110,2phc2sys0-21swapper/322:33:053
3153791110,2phc2sys0-21swapper/320:10:413
3153791110,2phc2sys0-21swapper/319:52:063
3153791110,2phc2sys0-21swapper/300:17:443
3153791110,1phc2sys0-21swapper/322:21:383
3153791110,1phc2sys0-21swapper/322:10:563
3153791110,1phc2sys0-21swapper/320:15:353
3153791110,1phc2sys0-21swapper/320:07:363
3153791110,1phc2sys0-21swapper/320:04:173
3153791110,1phc2sys0-21swapper/319:35:143
3153791101,3phc2sys0-21swapper/320:44:563
3153791101,2phc2sys0-21swapper/321:46:033
3153791101,2phc2sys0-21swapper/319:24:533
3153791101,2phc2sys0-21swapper/300:28:443
3153791100,3phc2sys0-21swapper/321:00:043
3153791100,2phc2sys0-21swapper/323:50:123
3153791100,2phc2sys0-21swapper/323:45:473
3153791100,2phc2sys0-21swapper/323:29:443
3153791100,2phc2sys0-21swapper/323:17:383
3153791100,2phc2sys0-21swapper/300:35:053
3153791100,1phc2sys0-21swapper/319:48:563
315379190,2phc2sys0-21swapper/320:36:483
315379190,2phc2sys0-21swapper/320:20:033
315379190,2phc2sys0-21swapper/319:40:033
315379190,2phc2sys0-21swapper/319:14:233
315379180,3phc2sys0-21swapper/319:55:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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