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2026-06-12 - 12:45
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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 Jun 12, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20371092990,3sleep02037107-21sed23:30:330
19659722670,1sleep11965971-21ssh22:45:251
20318932310,2sleep30-21swapper/323:30:203
1675852992517,7cyclictest2113102-21acpi00:25:180
1675852992413,6cyclictest0-21swapper/021:50:030
1675852992315,7cyclictest1748128-21kthreadcore20:05:280
1675852992314,5cyclictest2020657-21kthreadcore23:20:300
1675852992314,5cyclictest2020657-21kthreadcore23:20:300
1675853992219,2cyclictest1-21systemd19:20:011
1675853992216,2cyclictest1675850-21cyclictest23:55:021
1675853992213,4cyclictest2127241-21runrttasks00:34:251
1675852992219,2cyclictest2105032-21idleruntime-cro00:20:010
492398210,5rtkit-daemon1237-21mta-sts-daemon22:40:111
1675852992118,2cyclictest2127471-21latency_hist00:35:010
1675852992118,2cyclictest2009201-21cron23:15:010
1675852992118,2cyclictest1957390-21/usr/sbin/munin22:40:010
1675852992110,6cyclictest0-21swapper/021:10:280
3153791200,2phc2sys0-21swapper/322:38:193
1675853992013,2cyclictest0-21swapper/121:35:031
167585299209,6cyclictest0-21swapper/021:30:020
167585299208,7cyclictest0-21swapper/022:20:260
1675852992017,2cyclictest1942580-21gpgconf22:30:010
1675852992017,2cyclictest1942580-21gpgconf22:30:010
1675852992017,2cyclictest1681980-21systemd19:15:010
492398190,4rtkit-daemon1174-21ntpd19:48:441
3153791192,7phc2sys0-21swapper/319:05:203
167585399199,4cyclictest0-21swapper/123:55:201
1675853991916,2cyclictest1942705-21latency_hist22:30:011
1675853991916,2cyclictest1942705-21latency_hist22:30:011
167585399191,2cyclictest1890834-21cron21:55:011
167585399191,2cyclictest1890834-21cron21:55:011
167585299198,6cyclictest0-21swapper/021:58:290
167585299198,6cyclictest0-21swapper/000:10:290
1675852991916,2cyclictest2001830-21idleruntime-cro23:10:010
1675852991916,2cyclictest1690281-21grep19:20:010
1675852991911,7cyclictest0-21swapper/021:15:210
167585299191,14cyclictest0-21swapper/023:49:550
1675854991815,1cyclictest0-21swapper/223:08:582
1675854991815,1cyclictest0-21swapper/221:15:202
1675853991815,2cyclictest765-1atopacctd22:15:001
1675853991814,3cyclictest1788156-21kworker/u16:0+nfsiod21:13:261
1675853991813,3cyclictest1905967-21apt-get22:05:201
1675853991810,3cyclictest0-21swapper/123:05:021
167585299187,6cyclictest0-21swapper/021:35:270
1675852991815,2cyclictest274-21systemd-journal20:40:010
1675852991815,2cyclictest2074007-21head23:55:340
1675852991815,2cyclictest0-21swapper/023:05:030
167585299180,3cyclictest0-21swapper/019:35:200
492398170,2rtkit-daemon1247-21mta-sts-daemon19:59:321
3153791170,1phc2sys0-21swapper/322:11:023
3153791170,1phc2sys0-21swapper/321:11:433
167585499175,5cyclictest0-21swapper/219:40:192
167585499173,2cyclictest0-21swapper/223:38:342
1675854991714,1cyclictest0-21swapper/220:59:032
1675854991714,1cyclictest0-21swapper/200:20:342
1675854991713,2cyclictest0-21swapper/223:45:232
167585499171,2cyclictest0-21swapper/220:03:122
1675854991712,2cyclictest0-21swapper/222:40:222
1675853991716,1cyclictest0-21swapper/120:15:141
1675853991715,1cyclictest1020-21runrttasks23:46:121
1675853991714,2cyclictest2044448-21timerwakeupswit23:35:331
1675853991714,2cyclictest2023728-21sh23:24:191
1675853991714,2cyclictest2023728-21sh23:24:191
1675853991714,2cyclictest0-21swapper/121:10:011
167585299179,4cyclictest0-21swapper/021:20:270
1675852991714,2cyclictest660-21dbus-daemon19:25:020
1675852991714,2cyclictest1889231-21grep21:50:330
1675852991714,2cyclictest1889231-21grep21:50:330
1675852991714,2cyclictest1812672-21cut21:00:020
1675852991714,2cyclictest1-21systemd20:10:310
1675852991713,2cyclictest1739154-21systemd-run20:00:020
3153791160,4phc2sys0-21swapper/323:20:193
3153791160,4phc2sys0-21swapper/323:20:193
3153791160,3phc2sys0-21swapper/322:51:013
3153791160,3phc2sys0-21swapper/300:32:583
3153791160,2phc2sys0-21swapper/323:01:033
3153791160,2phc2sys0-21swapper/322:24:443
3153791160,2phc2sys0-21swapper/321:45:083
167585499166,4cyclictest0-21swapper/221:50:002
167585499166,3cyclictest0-21swapper/200:00:022
167585499165,2cyclictest21197682sleep200:29:122
167585499164,10cyclictest1776244-21taskset20:30:042
1675854991614,1cyclictest0-21swapper/221:35:012
1675854991613,1cyclictest0-21swapper/222:11:362
1675854991613,1cyclictest0-21swapper/219:55:022
1675854991612,2cyclictest0-21swapper/223:20:022
1675854991612,2cyclictest0-21swapper/220:35:302
1675854991612,2cyclictest0-21swapper/219:15:002
1675854991612,2cyclictest0-21swapper/200:15:012
167585499161,12cyclictest1890801-21chrt21:54:562
167585499161,12cyclictest1890801-21chrt21:54:562
1675853991614,1cyclictest1020-21runrttasks21:45:311
1675853991613,2cyclictest671-21polkitd23:15:011
1675853991613,2cyclictest2113834-21grep00:25:221
1675853991613,2cyclictest2097690-21turbostat.cron00:15:011
1675853991613,2cyclictest1848145-21cut21:25:261
1675853991613,2cyclictest1841366-21kthreadcore21:20:271
1675853991613,2cyclictest1682011-21open_files19:15:011
1675853991613,2cyclictest0-21swapper/123:35:001
1675853991613,2cyclictest0-21swapper/122:55:021
1675853991613,2cyclictest0-21swapper/121:45:021
1675853991612,3cyclictest1927807-21kworker/u16:0+nfsiod00:01:381
1675853991610,4cyclictest1703977-21sed19:30:251
1675853991610,2cyclictest67250irq/126-eno100:06:061
167585399160,11cyclictest1896792-21ssh21:55:501
167585299169,6cyclictest0-21swapper/022:31:340
1675852991613,2cyclictest765-1atopacctd22:59:340
1675852991613,2cyclictest698-21in:imuxsock19:45:030
1675852991613,2cyclictest2106850-21irqrtprio00:20:260
1675852991613,2cyclictest1913655-21cstates22:10:210
1675852991613,2cyclictest1910985-21sendmail_mailqu22:05:320
1675852991613,2cyclictest1869934-21gltestperf21:40:240
1675852991613,2cyclictest1824840-21systemd-run21:10:020
1675852991613,2cyclictest1770052-21systemd-run20:25:020
1675852991613,2cyclictest1675850-21cyclictest22:55:020
1675852991613,2cyclictest1247-21mta-sts-daemon22:48:530
1675852991613,2cyclictest1-21systemd00:05:320
1675852991612,3cyclictest2038911-21kworker/u16:3+nfsiod23:41:390
1675852991610,5cyclictest1242-21mta-sts-daemon23:53:270
167585299160,4cyclictest1861426-21perf21:35:010
3153791151,2phc2sys0-21swapper/319:40:223
3153791150,3phc2sys0-21swapper/323:55:193
3153791150,2phc2sys0-21swapper/322:03:103
3153791150,2phc2sys0-21swapper/321:53:043
3153791150,2phc2sys0-21swapper/321:53:043
3153791150,2phc2sys0-21swapper/300:15:303
167585499159,1cyclictest0-21swapper/223:25:232
167585499153,4cyclictest0-21swapper/221:14:292
167585499153,1cyclictest0-21swapper/200:01:552
1675854991513,1cyclictest0-21swapper/223:45:022
1675854991513,1cyclictest0-21swapper/223:00:242
1675854991513,1cyclictest0-21swapper/220:25:002
1675854991513,1cyclictest0-21swapper/219:35:032
1675854991513,1cyclictest0-21swapper/200:40:022
1675854991513,1cyclictest0-21swapper/200:05:222
1675854991512,1cyclictest0-21swapper/222:50:272
1675854991512,1cyclictest0-21swapper/222:35:022
1675854991512,1cyclictest0-21swapper/222:24:422
1675854991512,1cyclictest0-21swapper/222:05:232
1675854991512,1cyclictest0-21swapper/221:55:272
1675854991512,1cyclictest0-21swapper/220:50:012
1675854991512,1cyclictest0-21swapper/200:15:282
1675854991511,2cyclictest0-21swapper/221:40:272
1675854991511,2cyclictest0-21swapper/219:55:262
167585499150,5cyclictest19706612sleep222:45:482
167585399159,5cyclictest1242-21mta-sts-daemon23:40:101
167585399158,3cyclictest2110416-21kthreadcore00:20:281
167585399154,5cyclictest2014329-21expr23:15:291
1675853991513,1cyclictest1935177-21/usr/sbin/munin22:25:021
1675853991513,1cyclictest1863138-21irqstats21:35:271
1675853991512,2cyclictest1794424-21systemd-run20:45:021
1675853991512,2cyclictest1751402-21sh20:10:021
1675853991512,2cyclictest1691328-21gltestperf19:20:241
1675853991512,2cyclictest1246-21mta-sts-daemon22:31:441
1675853991512,2cyclictest1242-21mta-sts-daemon22:56:301
1675853991512,2cyclictest1237-21mta-sts-daemon20:56:501
1675853991512,2cyclictest1237-21mta-sts-daemon20:28:421
1675853991511,3cyclictest1899288-21gltestperf22:00:251
167585299158,5cyclictest1905503-21turbostat.cron22:04:550
167585299152,12cyclictest1782064-21idleruntime-cro20:35:000
167585299151,9cyclictest2134901-21date00:40:010
167585299151,2cyclictest0-21swapper/022:43:120
1675852991512,2cyclictest4922-21rtkit-daemon22:17:140
1675852991512,2cyclictest1763599-21munin-plugin-st20:20:020
1675852991512,2cyclictest1237-21mta-sts-daemon00:03:030
1675852991512,2cyclictest1-21systemd19:45:290
1675852991511,3cyclictest1729912-21kthreadcore19:50:260
1675852991510,1cyclictest492398rtkit-daemon20:28:320
3153791140,4phc2sys0-21swapper/320:35:193
3153791140,2phc2sys0-21swapper/321:44:493
3153791140,2phc2sys0-21swapper/300:26:323
3153791140,1phc2sys0-21swapper/320:25:233
167585499146,6cyclictest1694718-21chrt19:20:282
167585499143,6cyclictest0-21swapper/222:00:212
167585499142,9cyclictest2120363-21chrt00:30:032
1675854991412,1cyclictest0-21swapper/223:50:212
1675854991412,1cyclictest0-21swapper/222:57:172
1675854991412,1cyclictest0-21swapper/222:25:332
1675854991412,1cyclictest0-21swapper/222:25:332
1675854991412,1cyclictest0-21swapper/222:15:442
1675854991412,1cyclictest0-21swapper/221:35:192
1675854991411,1cyclictest0-21swapper/223:20:332
1675854991411,1cyclictest0-21swapper/223:20:332
1675854991411,1cyclictest0-21swapper/223:10:182
1675854991411,1cyclictest0-21swapper/221:22:462
1675854991410,2cyclictest0-21swapper/221:06:192
1675854991410,2cyclictest0-21swapper/220:40:272
1675854991410,2cyclictest0-21swapper/220:15:342
167585399144,4cyclictest1777376-21irqrtprio20:30:261
167585399143,5cyclictest2133467-21sh00:35:591
167585399141,9cyclictest1727903-21idleruntime19:50:231
1675853991411,2cyclictest1950527-21aten2.4-expect22:35:211
1675853991411,2cyclictest1832470-21aten2.4-expect21:15:221
1675853991411,2cyclictest1818512-21ls21:05:011
1675853991411,2cyclictest1799398-21pmu-power20:45:301
1675853991411,2cyclictest1714596-21cron19:40:011
1675853991411,2cyclictest1247-21mta-sts-daemon23:25:261
1675853991411,2cyclictest0-21swapper/100:15:331
1675853991410,3cyclictest1765796-21kthreadcore20:20:261
167585299149,4cyclictest1247-21mta-sts-daemon23:25:090
167585299148,5cyclictest1987325-21kworker/u16:3-xprtiod23:15:210
1675852991412,1cyclictest2039075-21/usr/sbin/munin23:35:200
1675852991412,1cyclictest1246-21mta-sts-daemon20:40:240
1675852991411,2cyclictest1797339-21kthreadcore20:45:270
1675852991411,2cyclictest1741021-21kthreadcore20:00:260
1675852991411,2cyclictest1703749-21sed19:30:250
1675852991411,2cyclictest1701509-21phc2sys19:25:290
3153791131,3phc2sys0-21swapper/300:00:203
3153791130,4phc2sys0-21swapper/300:23:263
3153791130,2phc2sys0-21swapper/323:28:053
3153791130,2phc2sys0-21swapper/323:10:303
3153791130,2phc2sys0-21swapper/323:05:533
3153791130,2phc2sys0-21swapper/322:31:383
3153791130,2phc2sys0-21swapper/322:25:253
3153791130,2phc2sys0-21swapper/322:25:253
3153791130,2phc2sys0-21swapper/321:57:443
3153791130,2phc2sys0-21swapper/320:03:063
3153791130,2phc2sys0-21swapper/300:39:403
167585499139,2cyclictest0-21swapper/221:25:202
167585499138,3cyclictest0-21swapper/219:35:322
167585499134,6cyclictest1675963-21chrt19:10:022
167585499132,9cyclictest1770150-21chrt20:25:032
167585499131,6cyclictest0-21swapper/220:50:192
167585499131,2cyclictest0-21swapper/220:05:202
1675854991311,1cyclictest0-21swapper/223:30:322
1675854991311,1cyclictest0-21swapper/222:35:322
1675854991311,1cyclictest0-21swapper/219:20:022
1675854991310,1cyclictest0-21swapper/219:45:212
167585399138,4cyclictest1675850-21cyclictest19:27:241
167585399135,6cyclictest1800625-21aten_repower_cu20:50:191
1675853991310,2cyclictest1922028-21kthreadcore22:15:271
1675853991310,2cyclictest1787166-21phc2sys-jitter20:35:291
1675853991310,2cyclictest1740943-21kthreadcore20:00:261
1675853991310,2cyclictest1247-21mta-sts-daemon20:12:391
1675853991310,2cyclictest0-21swapper/123:08:551
167585299137,5cyclictest660-21dbus-daemon19:10:010
1675852991310,2cyclictest1813514-21head21:00:230
1675852991310,2cyclictest1805404-21pmu-power20:50:290
3153791120,2phc2sys0-21swapper/321:25:353
3153791120,1phc2sys0-21swapper/323:42:253
167585499129,1cyclictest0-21swapper/221:00:272
167585499123,6cyclictest0-21swapper/220:10:202
1675854991210,1cyclictest0-21swapper/219:25:182
1675853991210,1cyclictest1237-21mta-sts-daemon19:40:251
3153791112,2phc2sys0-21swapper/322:48:093
3153791111,4phc2sys0-21swapper/319:35:203
3153791111,2phc2sys0-21swapper/319:20:263
3153791110,5phc2sys0-21swapper/319:15:203
3153791110,4phc2sys0-21swapper/319:55:193
3153791110,3phc2sys0-21swapper/321:20:203
3153791110,2phc2sys0-21swapper/322:56:153
3153791110,2phc2sys0-21swapper/321:38:113
3153791110,2phc2sys0-21swapper/321:33:333
3153791110,2phc2sys0-21swapper/320:15:283
3153791110,2phc2sys0-21swapper/300:11:383
3153791110,1phc2sys0-21swapper/321:17:003
492398100,5rtkit-daemon1050-21snmpd19:05:201
3153791102,2phc2sys0-21swapper/322:09:263
3153791101,4phc2sys0-21swapper/320:05:203
3153791100,3phc2sys0-21swapper/321:05:263
3153791100,2phc2sys0-21swapper/323:51:473
3153791100,2phc2sys0-21swapper/323:45:253
3153791100,2phc2sys0-21swapper/323:38:083
3153791100,2phc2sys0-21swapper/323:17:553
3153791100,2phc2sys0-21swapper/320:34:553
3153791100,2phc2sys0-21swapper/320:10:193
3153791100,2phc2sys0-21swapper/319:30:243
3153791100,2phc2sys0-21swapper/319:25:033
3153791100,2phc2sys0-21swapper/300:06:053
3153791100,1phc2sys0-21swapper/320:21:093
315379191,2phc2sys0-21swapper/319:50:033
315379190,3phc2sys0-21swapper/322:40:353
315379190,2phc2sys0-21swapper/322:15:113
315379190,2phc2sys0-21swapper/321:00:213
315379190,2phc2sys0-21swapper/320:55:353
315379190,2phc2sys0-21swapper/320:50:223
315379190,2phc2sys0-21swapper/320:49:553
315379190,2phc2sys0-21swapper/320:40:203
315379190,2phc2sys0-21swapper/319:45:513
315379190,2phc2sys0-21swapper/319:13:293
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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