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2026-06-23 - 14:01
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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 Tue Jun 23, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
145652221630,2sleep20-21swapper/221:40:102
143767321460,1sleep11437675-21pmu-power21:25:141
166577921310,2sleep30-21swapper/300:00:113
15410162680,2sleep20-21swapper/222:35:132
16088472410,0sleep11608848-21sh23:20:131
16871112280,2sleep30-21swapper/300:15:103
1261437992718,8cyclictest0-21swapper/023:10:030
1261439992523,1cyclictest0-21swapper/221:35:032
1261437992415,8cyclictest0-21swapper/022:40:030
1261438992321,1cyclictest1469735-21ls21:50:001
1261437992318,4cyclictest0-21swapper/023:55:030
1261437992317,2cyclictest67250irq/126-eno121:25:030
1261439992219,1cyclictest0-21swapper/223:20:012
1261438992217,3cyclictest274-21systemd-journal20:20:001
1261438992211,2cyclictest67250irq/126-eno123:50:021
126143799223,11cyclictest738-21gdbus19:15:010
1261437992214,7cyclictest0-21swapper/021:20:010
3153791210,2phc2sys0-21swapper/322:05:133
1261438992115,2cyclictest67250irq/126-eno100:25:141
1261437992116,2cyclictest1663966-21aten2.4-expect00:00:030
126143799211,5cyclictest1613014-21cat23:25:110
1261437992115,5cyclictest1659860-21kthreadcore23:55:120
126143799210,7cyclictest1479721-21kthreadcore21:55:100
126143799210,4cyclictest1287431-21taskset19:25:150
1261439992016,2cyclictest0-21swapper/221:05:052
1261439992010,3cyclictest0-21swapper/200:03:532
126143899209,3cyclictest0-21swapper/121:50:251
1261438992017,2cyclictest1633790-21latency_hist23:40:031
1261438992017,2cyclictest0-21swapper/119:20:021
126143799208,8cyclictest1469889-21/usr/sbin/munin21:50:010
126143799201,9cyclictest1507204-21ssh22:15:040
1261437992015,4cyclictest1672346-21irqcore00:05:090
1261437992015,3cyclictest0-21swapper/000:30:010
1261437992015,1cyclictest191rcu_preempt21:52:140
1261437992013,1cyclictest0-21swapper/023:15:030
3153791190,3phc2sys0-21swapper/321:20:153
1261439991915,2cyclictest0-21swapper/223:40:012
126143899194,2cyclictest1492074-21awk22:05:001
126143799194,6cyclictest0-21swapper/023:45:030
1261437991916,2cyclictest698-21in:imuxsock20:46:250
1261437991916,2cyclictest1515205-21fschecks_count22:20:060
1261437991916,2cyclictest1415860-21grep21:10:190
1261437991916,2cyclictest0-21swapper/023:10:030
1261437991915,3cyclictest1681502-21kthreadcore00:10:110
1261437991915,3cyclictest0-21swapper/020:45:010
1261437991915,3cyclictest0-21swapper/019:25:010
1261437991912,6cyclictest765-1atopacctd20:56:570
1261437991911,1cyclictest67250irq/126-eno121:42:460
3153791180,2phc2sys0-21swapper/323:36:193
3153791180,2phc2sys0-21swapper/320:45:183
3153791180,2phc2sys0-21swapper/319:28:243
15046592180,0sleep11504662-21grep22:10:151
1261439991816,1cyclictest0-21swapper/200:20:032
1261439991815,1cyclictest0-21swapper/223:01:262
1261439991815,1cyclictest0-21swapper/200:00:012
126143899189,2cyclictest67250irq/126-eno100:23:251
1261438991817,1cyclictest0-21swapper/119:23:161
1261438991815,2cyclictest1685907-21systemd-run00:15:021
1261438991815,2cyclictest1670986-21dump-pmu-power00:05:011
1261438991815,2cyclictest1663858-21cut00:00:031
1261438991815,2cyclictest1432774-21latency_hist21:25:031
1261438991815,2cyclictest1409835-21diskmemload22:45:421
1261438991815,2cyclictest1318398-21munin-plugin-st19:55:011
1261438991814,3cyclictest1338245-21kthreadcore20:10:111
1261438991814,3cyclictest1338245-21kthreadcore20:10:111
1261437991816,1cyclictest1432846-21aten_repower_po21:25:040
1261437991815,2cyclictest1574205-21munin-run23:00:030
1261437991815,2cyclictest1574205-21munin-run23:00:030
1261437991815,2cyclictest1373276-21systemd-run20:40:010
1261437991815,2cyclictest1355899-21gltestperf20:25:080
126143799181,4cyclictest1619224-21aten_repower_po23:30:050
1261437991813,4cyclictest0-21swapper/023:45:010
1261437991813,1cyclictest67250irq/126-eno121:37:500
1261437991813,1cyclictest491rcuog/222:29:120
1261437991812,5cyclictest1409835-21diskmemload23:01:190
3153791171,6phc2sys0-21swapper/319:20:033
3153791171,2phc2sys0-21swapper/323:44:493
3153791170,2phc2sys0-21swapper/321:49:493
3153791170,2phc2sys0-21swapper/300:20:233
1261439991715,1cyclictest0-21swapper/200:20:112
1261439991714,1cyclictest0-21swapper/222:15:012
1261439991714,1cyclictest0-21swapper/219:55:072
1261439991714,1cyclictest0-21swapper/219:35:142
1261439991714,1cyclictest0-21swapper/200:10:012
1261438991715,1cyclictest1409835-21diskmemload21:36:541
1261438991715,1cyclictest0-21swapper/123:25:151
1261438991714,2cyclictest1541828-21sh22:35:161
1261438991714,2cyclictest1507333-21sh22:15:051
1261438991714,2cyclictest1423349-21grep21:15:171
1261438991714,2cyclictest1267713-21fschecks_time19:15:011
1261438991714,2cyclictest0-21swapper/122:00:011
1261438991713,3cyclictest1723199-21latency_hist00:40:021
126143799179,1cyclictest1708323-21/usr/sbin/munin00:30:050
126143799178,6cyclictest1606188-21kthreadcore23:20:100
126143799173,5cyclictest16-21ksoftirqd/019:45:110
126143799172,10cyclictest1715942-21aten2.4-expect00:35:050
1261437991714,2cyclictest781-21gmain20:55:010
1261437991714,2cyclictest1500078-21cpuspeed_turbos22:10:060
1261437991714,2cyclictest1499587-21latency_hist22:10:020
1261437991714,2cyclictest0-21swapper/023:35:060
1261437991714,2cyclictest0-21swapper/021:10:020
1261437991714,2cyclictest0-21swapper/019:30:030
1261437991711,5cyclictest1409835-21diskmemload22:45:410
1261437991711,5cyclictest1409835-21diskmemload00:17:510
1261437991711,1cyclictest13391061kthreadcore20:10:110
1261437991711,1cyclictest13391061kthreadcore20:10:110
3153791161,4phc2sys0-21swapper/323:12:303
3153791160,2phc2sys0-21swapper/323:23:053
3153791160,2phc2sys0-21swapper/321:50:343
1261439991614,1cyclictest0-21swapper/223:45:022
1261439991614,1cyclictest0-21swapper/221:40:022
1261439991614,1cyclictest0-21swapper/221:25:032
1261439991614,1cyclictest0-21swapper/220:45:022
1261439991613,1cyclictest0-21swapper/222:55:052
1261439991613,1cyclictest0-21swapper/222:55:052
1261439991613,1cyclictest0-21swapper/220:40:022
1261439991612,2cyclictest0-21swapper/221:20:012
1261438991613,2cyclictest1577139-21sort23:00:121
1261438991613,2cyclictest1571782-21head22:55:141
1261438991613,2cyclictest1571782-21head22:55:141
1261438991613,2cyclictest1566537-21latency_hist22:55:011
1261438991613,2cyclictest1515238-21fschecks_time22:20:061
1261438991613,2cyclictest1499635-21systemd22:10:021
1261438991613,2cyclictest1411219-21head21:10:081
1261438991613,2cyclictest1294416-21/usr/sbin/munin19:35:111
1261438991613,2cyclictest1-21systemd23:50:151
1261438991613,2cyclictest0-21swapper/119:45:031
1261438991612,3cyclictest1367343-21apt-get20:35:021
126143799168,4cyclictest1559486-21aten2.4-expect22:50:030
126143799168,4cyclictest1349304-21aten2.4-expect20:20:050
126143799164,11cyclictest0-21swapper/022:40:030
126143799163,8cyclictest1485084-21tail22:00:050
126143799162,9cyclictest1330904-21aten2.4-expect20:05:040
126143799162,4cyclictest491rcuog/200:21:440
1261437991613,2cyclictest1-21systemd21:03:560
1261437991613,2cyclictest0-21swapper/019:20:010
1261437991612,3cyclictest1315411-21kthreadcore19:50:110
3153791151,4phc2sys0-21swapper/321:15:033
3153791150,3phc2sys0-21swapper/322:26:583
1261439991513,1cyclictest0-21swapper/223:55:022
1261439991513,1cyclictest0-21swapper/223:46:192
1261439991513,1cyclictest0-21swapper/222:20:022
1261439991513,1cyclictest0-21swapper/221:25:162
1261439991513,1cyclictest0-21swapper/221:14:322
1261439991512,1cyclictest0-21swapper/223:27:092
1261439991512,1cyclictest0-21swapper/223:10:042
1261439991512,1cyclictest0-21swapper/223:09:162
1261439991512,1cyclictest0-21swapper/222:49:162
1261439991512,1cyclictest0-21swapper/222:42:412
1261439991512,1cyclictest0-21swapper/222:29:242
1261439991512,1cyclictest0-21swapper/222:00:012
1261439991512,1cyclictest0-21swapper/219:45:052
1261439991512,1cyclictest0-21swapper/219:20:112
1261439991512,1cyclictest0-21swapper/200:30:222
1261439991512,1cyclictest0-21swapper/200:10:062
1261439991511,2cyclictest0-21swapper/221:55:012
1261439991510,3cyclictest0-21swapper/220:55:182
1261438991513,1cyclictest1634626-21sh23:40:081
1261438991513,1cyclictest1294044-21runrttasks19:34:141
1261438991512,2cyclictest700-21rs:main1
1261438991512,2cyclictest1688804-21kthreadcore00:15:111
1261438991512,2cyclictest1522619-21fschecks_count22:25:051
1261438991512,2cyclictest1443333-21kthreadcore21:30:111
1261438991512,2cyclictest1409995-21latency_hist21:10:011
1261438991512,2cyclictest1287546-21unixbench-2d19:25:151
1261438991512,2cyclictest1261275-21latency_hist19:10:011
1261438991512,2cyclictest1255266-21kworker/u16:1-events_power_efficient20:00:011
1261438991512,2cyclictest1246-21mta-sts-daemon23:15:161
1261438991512,2cyclictest1246-21mta-sts-daemon20:08:321
1261438991511,3cyclictest1484821-21kworker/u16:3+nfsiod00:06:161
1261438991511,3cyclictest1394977-21kthreadcore20:55:131
1261438991510,2cyclictest1246-21mta-sts-daemon23:05:591
126143899150,4cyclictest0-21swapper/100:30:051
126143799159,5cyclictest0-21swapper/020:30:070
126143799157,4cyclictest67250irq/126-eno120:15:030
126143799156,5cyclictest0-21swapper/022:30:100
1261437991511,3cyclictest1326095-21kthreadcore20:00:110
1261437991511,3cyclictest1301818-21kthreadcore19:40:100
1261437991511,3cyclictest1295743-21kthreadcore19:35:110
3153791143,2phc2sys0-21swapper/323:04:253
3153791140,4phc2sys0-21swapper/323:25:163
3153791140,3phc2sys0-21swapper/319:05:033
3153791140,2phc2sys0-21swapper/323:56:003
3153791140,2phc2sys0-21swapper/322:31:133
3153791140,2phc2sys0-21swapper/321:12:393
3153791140,2phc2sys0-21swapper/320:21:543
3153791140,2phc2sys0-21swapper/300:37:453
3153791140,2phc2sys0-21swapper/300:05:283
126143999141,6cyclictest0-21swapper/220:30:012
1261439991412,1cyclictest0-21swapper/222:30:032
1261439991412,1cyclictest0-21swapper/222:25:012
1261439991412,1cyclictest0-21swapper/221:45:042
1261439991412,1cyclictest0-21swapper/221:05:022
1261439991412,1cyclictest0-21swapper/219:50:102
1261439991412,1cyclictest0-21swapper/219:25:082
1261439991411,1cyclictest0-21swapper/222:10:002
1261439991411,1cyclictest0-21swapper/222:01:242
1261439991411,1cyclictest0-21swapper/220:25:002
1261439991411,1cyclictest0-21swapper/219:30:132
1261439991411,1cyclictest0-21swapper/219:15:102
1261439991411,1cyclictest0-21swapper/200:35:402
126143899145,3cyclictest501rcuop/222:40:591
126143899142,4cyclictest4922-21rtkit-daemon20:02:101
1261438991412,1cyclictest0-21swapper/120:20:031
1261438991411,2cyclictest1530182-21sed22:30:081
1261438991411,2cyclictest1358502-21kthreadcore20:25:121
1261438991411,2cyclictest1307164-21fschecks_count19:45:061
1261438991410,3cyclictest1591712-21kthreadcore23:10:111
1261438991410,3cyclictest1377879-21kthreadcore20:40:111
1261438991410,3cyclictest1371232-21kthreadcore20:35:101
1261438991410,3cyclictest1194785-21kworker/u16:3+nfsiod21:40:511
126143799144,4cyclictest1324310-21sshd19:58:240
1261437991411,2cyclictest0-21swapper/021:30:110
3153791130,2phc2sys0-21swapper/323:05:383
3153791130,2phc2sys0-21swapper/322:49:223
3153791130,2phc2sys0-21swapper/322:04:493
3153791130,2phc2sys0-21swapper/321:55:113
3153791130,2phc2sys0-21swapper/321:40:083
3153791130,2phc2sys0-21swapper/321:00:163
1261439991311,1cyclictest0-21swapper/223:20:022
1261439991311,1cyclictest0-21swapper/220:50:102
1261439991311,1cyclictest0-21swapper/220:16:132
1261439991310,1cyclictest0-21swapper/222:50:412
1261439991310,1cyclictest0-21swapper/220:15:022
1261439991310,1cyclictest0-21swapper/220:15:022
1261439991310,1cyclictest0-21swapper/220:05:102
1261439991310,1cyclictest0-21swapper/219:40:142
1261439991310,1cyclictest0-21swapper/200:25:262
126143999130,6cyclictest0-21swapper/220:30:042
1261438991310,2cyclictest1624492-21grep23:30:181
1261438991310,2cyclictest1398627-21fschecks_time21:00:071
1261438991310,2cyclictest1387385-21kthreadcore20:50:091
3153791124,3phc2sys0-21swapper/320:55:023
3153791124,2phc2sys0-21swapper/320:19:293
3153791122,2phc2sys0-21swapper/300:12:503
3153791120,3phc2sys0-21swapper/321:05:053
3153791120,2phc2sys0-21swapper/322:38:403
3153791120,2phc2sys0-21swapper/321:32:523
3153791120,2phc2sys0-21swapper/321:30:023
3153791120,2phc2sys0-21swapper/300:29:203
126143999123,4cyclictest0-21swapper/220:00:042
126143999121,6cyclictest0-21swapper/219:10:042
126143999121,4cyclictest0-21swapper/220:45:042
1261439991210,1cyclictest0-21swapper/223:30:122
492398110,6rtkit-daemon1237-21mta-sts-daemon19:09:540
3153791111,2phc2sys0-21swapper/319:33:303
3153791111,1phc2sys0-21swapper/320:03:223
3153791110,2phc2sys0-21swapper/323:45:373
3153791110,2phc2sys0-21swapper/322:57:123
3153791110,2phc2sys0-21swapper/322:57:123
3153791110,2phc2sys0-21swapper/319:51:433
3153791105,2phc2sys0-21swapper/322:40:093
3153791102,2phc2sys0-21swapper/319:35:053
3153791101,2phc2sys0-21swapper/323:50:423
3153791101,2phc2sys0-21swapper/322:10:113
3153791101,2phc2sys0-21swapper/320:30:113
3153791101,2phc2sys0-21swapper/319:40:103
3153791100,3phc2sys0-21swapper/320:40:013
3153791100,2phc2sys0-21swapper/323:31:263
3153791100,2phc2sys0-21swapper/323:15:033
3153791100,2phc2sys0-21swapper/322:51:273
3153791100,2phc2sys0-21swapper/322:21:533
3153791100,2phc2sys0-21swapper/322:15:043
3153791100,2phc2sys0-21swapper/321:35:273
3153791100,2phc2sys0-21swapper/320:45:023
3153791100,1phc2sys0-21swapper/320:27:433
315379191,2phc2sys0-21swapper/320:10:113
315379191,2phc2sys0-21swapper/320:10:113
315379191,2phc2sys0-21swapper/319:45:113
315379190,3phc2sys0-21swapper/319:10:043
315379190,2phc2sys0-21swapper/320:55:073
315379190,2phc2sys0-21swapper/320:07:553
315379190,2phc2sys0-21swapper/319:55:053
315379190,2phc2sys0-21swapper/300:30:063
315379180,3phc2sys0-21swapper/319:20:063
1256535281,3sleep20-21swapper/219:05:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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