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2026-09-17 - 12:07
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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 Thu Sep 17, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
144768121710,2sleep30-21swapper/319:09:253
162909621530,1sleep11629095-21ssh21:18:131
195429821140,2sleep0241rcuc/000:20:000
19094342510,3sleep30-21swapper/323:54:303
18307432440,1sleep01830746-21munin-plugin-st23:10:010
19590982250,1sleep01959101-21cut00:24:130
16817012250,1sleep10-21swapper/121:47:161
1450604992512,8cyclictest1921629-21grep00:04:240
17422702240,2sleep30-21swapper/322:20:013
1450604992415,8cyclictest1938102-40updatedb.plocat00:12:280
14819472230,3sleep30-21swapper/319:34:223
145060699231,12cyclictest0-21swapper/223:39:042
1450605992310,4cyclictest0-21swapper/100:30:011
145060599225,9cyclictest1487461-21perf19:35:011
145060599221,1cyclictest1947743-21apt-get00:19:031
1450604992218,2cyclictest0-21swapper/000:39:020
1450604992211,7cyclictest0-21swapper/021:10:030
1450605992112,3cyclictest1902896-21runrttasks23:52:441
1450605992111,3cyclictest1757473-21kthreadcore22:29:261
145060499218,7cyclictest0-21swapper/023:55:020
1450604992110,5cyclictest0-21swapper/022:09:040
145060599204,11cyclictest1892535-21awk23:45:011
145060599204,11cyclictest1892535-21awk23:45:011
1450605992010,3cyclictest932-1atopacctd00:34:261
145060499208,8cyclictest1979232-21kthreadcore00:34:260
1450604992014,5cyclictest1638690-21sort21:24:200
1450604992012,5cyclictest1671508-21sh21:40:010
1450604992012,4cyclictest1618486-21diskmemload22:24:270
1450604992011,5cyclictest1900730-21ssh23:49:310
1450604992011,5cyclictest1817435-21kthreadcore23:04:260
2447398190,5rtkit-daemon798-21mta-sts-daemon21:02:141
145060699191,9cyclictest0-21swapper/222:34:042
145060699191,9cyclictest0-21swapper/221:44:012
1450606991915,2cyclictest0-21swapper/221:54:092
145060599198,2cyclictest82050irq/121-eno122:57:551
1450605991916,2cyclictest0-21swapper/121:55:021
145060499199,6cyclictest1496131-21irqrtprio19:44:250
145060499198,7cyclictest1867049-21ssh23:31:230
145060499198,7cyclictest1698331-21sh21:55:050
145060499197,7cyclictest0-21swapper/022:54:040
145060499195,6cyclictest0-21swapper/023:19:020
145060499191,8cyclictest1836013-21kthreadcore23:14:280
1450604991915,3cyclictest1889650-21kthreadcore23:44:270
1450604991915,3cyclictest1889650-21kthreadcore23:44:270
1450604991915,3cyclictest1806465-21aten_repower_fr22:59:090
1450604991915,3cyclictest1790918-21kthreadcore22:49:250
1450604991915,3cyclictest1685791-21kthreadcore21:49:250
1450604991915,3cyclictest1599773-21kthreadcore20:59:250
1450604991915,3cyclictest1595247-21kthreadcore20:54:280
1450604991915,3cyclictest1565326-21kthreadcore20:34:240
1450604991915,3cyclictest1509515-21gltestperf19:54:220
1450604991915,3cyclictest1453425-21kthreadcore19:14:260
1450604991911,7cyclictest1630948-21kthreadcore21:19:240
1450604991911,4cyclictest0-21swapper/022:12:160
1450604991910,5cyclictest1967747-21apt-get00:29:040
1450604991910,5cyclictest1735979-21tr22:19:200
1450604991910,5cyclictest1659365-21kthreadcore21:34:260
1450604991910,5cyclictest1646805-21ssh21:28:140
2447398180,13rtkit-daemon1206-21snmpd20:25:081
2213291180,2phc2sys0-21swapper/321:50:203
2213291180,13phc2sys0-21swapper/319:50:073
1450606991814,2cyclictest0-21swapper/223:19:252
145060599189,3cyclictest1786068-21/usr/sbin/munin22:44:321
145060599181,5cyclictest1647160-21ssh21:29:031
1450605991815,2cyclictest778-21dbus-daemon00:05:031
1450605991814,3cyclictest975-21in:imuxsock19:40:011
145060599181,3cyclictest1936648-21cat00:10:011
145060599181,3cyclictest1515024-21latency_hist19:55:031
1450605991813,3cyclictest1831965-21runrttasks23:12:091
145060499189,5cyclictest1929729-21sh00:08:310
145060499189,5cyclictest1779064-21sh22:42:140
145060499189,5cyclictest1734004-21kworker/u16:2+nfsiod23:24:200
145060499189,5cyclictest1673665-21apt-get21:44:020
145060499189,5cyclictest0-21swapper/019:49:270
145060499188,7cyclictest1752044-21sh22:26:100
1450604991815,2cyclictest1913794-21kthreadcore23:59:260
1450604991815,2cyclictest1609763-21kthreadcore21:04:290
1450604991815,2cyclictest1555278-21kthreadcore20:24:270
1450604991815,2cyclictest1538165-21kthreadcore20:14:280
1450604991815,2cyclictest1519743-21kthreadcore19:59:260
1450604991814,3cyclictest1879699-21kthreadcore23:39:260
1450604991814,3cyclictest1861362-21kthreadcore23:29:240
1450604991814,3cyclictest1775468-21kthreadcore22:39:260
1450604991814,3cyclictest1765145-21kthreadcore22:34:260
1450604991814,3cyclictest1714211-21kthreadcore22:04:270
1450604991814,3cyclictest1623304-21kthreadcore21:14:270
1450604991814,3cyclictest1587634-21kthreadcore20:49:270
1450604991814,3cyclictest1582611-21kthreadcore20:44:280
1450604991814,3cyclictest1571968-21irqcore20:39:230
1450604991814,3cyclictest1546085-21kthreadcore20:19:260
1450604991814,3cyclictest1532921-21kthreadcore20:09:260
1450604991814,3cyclictest1492872-21kthreadcore19:39:260
1450604991814,3cyclictest1476382-21kthreadcore19:29:260
1450604991812,5cyclictest1691747-21cpuspeed_turbos21:54:200
1450604991810,4cyclictest0-21swapper/019:19:270
145060499180,9cyclictest1483302-21cut19:34:250
2447398170,2rtkit-daemon0-21swapper/119:17:291
2213291170,4phc2sys0-21swapper/323:32:153
2213291170,2phc2sys0-21swapper/322:48:523
2213291170,2phc2sys0-21swapper/322:40:313
2213291170,2phc2sys0-21swapper/321:45:353
2213291170,2phc2sys0-21swapper/321:38:413
1450606991714,1cyclictest0-21swapper/223:09:052
145060599176,2cyclictest82050irq/121-eno119:30:021
145060599174,5cyclictest1738600-21grep22:19:261
1450605991713,3cyclictest1791935-21kthreadcore22:49:271
1450605991712,4cyclictest24617-21JS14:54:061
1450605991712,3cyclictest1857433-21systemd-run23:25:021
1450605991711,4cyclictest1502894-21sort19:49:251
145060499178,5cyclictest1563555-21munin-run20:30:020
1450604991714,2cyclictest1470556-21kthreadcore19:24:240
1450604991713,3cyclictest1523755-21irqrtprio20:04:240
2213291160,2phc2sys0-21swapper/323:01:553
2213291160,2phc2sys0-21swapper/300:26:383
145060699161,9cyclictest0-21swapper/220:19:042
145060699161,7cyclictest0-21swapper/223:34:042
1450606991613,1cyclictest0-21swapper/223:00:012
1450606991613,1cyclictest0-21swapper/221:23:242
1450606991613,1cyclictest0-21swapper/220:11:092
1450606991610,3cyclictest1958893-21chrt00:23:592
145060599168,1cyclictest82050irq/121-eno100:22:481
145060599166,3cyclictest0-21swapper/123:59:041
145060599163,5cyclictest0-21swapper/121:24:011
1450605991613,2cyclictest777-21avahi-daemon22:05:021
1450605991613,2cyclictest24616-21JS14:54:061
1450605991613,2cyclictest24610-21gmain00:38:171
1450605991613,2cyclictest1665737-21gltestperf21:39:241
1450605991612,3cyclictest1860082-21sh23:29:201
1450605991612,3cyclictest1825586-21kthreadcore23:09:271
1450605991612,3cyclictest1820399-21kthreadcore23:04:281
1450605991612,3cyclictest1745300-21gltestperf22:24:231
1450605991612,3cyclictest1701737-21kthreadcore21:59:241
1450605991612,3cyclictest1617475-21kthreadcore21:09:281
1450605991612,3cyclictest1546340-21kthreadcore20:19:261
1450605991611,3cyclictest1622437-21kthreadcore21:14:261
2213291151,6phc2sys0-21swapper/319:44:043
2213291150,3phc2sys0-21swapper/321:26:493
2213291150,2phc2sys0-21swapper/323:13:333
2213291150,2phc2sys0-21swapper/322:02:063
145060699155,4cyclictest0-21swapper/219:14:052
1450606991513,1cyclictest0-21swapper/221:05:022
1450606991512,1cyclictest0-21swapper/223:50:372
1450606991512,1cyclictest0-21swapper/222:02:562
1450606991512,1cyclictest0-21swapper/221:29:242
1450606991512,1cyclictest0-21swapper/220:51:442
1450606991512,1cyclictest0-21swapper/220:04:202
1450606991512,1cyclictest0-21swapper/219:24:182
1450606991512,1cyclictest0-21swapper/200:19:222
1450606991511,2cyclictest0-21swapper/222:09:302
1450606991511,2cyclictest0-21swapper/219:19:272
145060699151,11cyclictest0-21swapper/219:29:032
145060599155,3cyclictest1590908-21latency_hist20:50:021
145060599155,3cyclictest1521940-21latency_hist20:00:031
145060599155,2cyclictest1938102-40updatedb.plocat00:12:331
1450605991512,2cyclictest1726758-21acpi22:14:061
1450605991511,3cyclictest1674794-21irqcore21:44:221
1450605991511,3cyclictest1599978-21kthreadcore20:59:251
1450605991511,3cyclictest1572010-21irqrtprio20:39:231
1450605991511,3cyclictest1540159-21kthreadcore20:14:301
1450605991511,3cyclictest1532500-21kthreadcore20:09:261
1450605991511,3cyclictest1526803-21kthreadcore20:04:261
1450605991511,3cyclictest1451271-21aten_repower_fr19:14:111
145060599150,14cyclictest1724516-21ssh22:10:011
2213291140,2phc2sys0-21swapper/322:10:023
2213291140,1phc2sys0-21swapper/321:33:283
145060699141,6cyclictest0-21swapper/222:39:022
145060699141,6cyclictest0-21swapper/200:29:052
1450606991412,1cyclictest0-21swapper/221:49:242
1450606991411,1cyclictest0-21swapper/223:59:252
1450606991411,1cyclictest0-21swapper/223:24:252
1450606991411,1cyclictest0-21swapper/223:04:312
1450606991411,1cyclictest0-21swapper/222:24:282
1450606991411,1cyclictest0-21swapper/221:19:232
1450606991411,1cyclictest0-21swapper/221:13:542
1450606991411,1cyclictest0-21swapper/221:10:022
1450606991411,1cyclictest0-21swapper/220:29:272
1450606991411,1cyclictest0-21swapper/220:09:222
1450606991411,1cyclictest0-21swapper/219:59:202
1450606991411,1cyclictest0-21swapper/219:54:272
1450606991411,1cyclictest0-21swapper/219:40:022
1450606991411,1cyclictest0-21swapper/200:13:092
1450606991411,1cyclictest0-21swapper/200:04:302
1450606991410,2cyclictest0-21swapper/222:14:312
145060699140,12cyclictest0-21swapper/200:30:482
145060599146,2cyclictest82050irq/121-eno121:34:281
145060599144,2cyclictest82050irq/121-eno123:34:201
145060599144,2cyclictest0-21swapper/122:52:531
145060599142,4cyclictest0-21swapper/123:45:341
1450605991411,2cyclictest1842370-21sh23:19:191
1450605991410,3cyclictest1881476-21kthreadcore23:39:271
1450605991410,3cyclictest1773029-21kthreadcore22:39:241
1450605991410,3cyclictest1551526-21kthreadcore20:24:251
1450605991410,3cyclictest1499639-21kthreadcore19:44:281
145060599140,7cyclictest1583955-21users20:44:331
2213291135,2phc2sys0-21swapper/320:29:273
2213291131,2phc2sys0-21swapper/323:09:063
2213291130,5phc2sys0-21swapper/322:54:043
2213291130,4phc2sys0-21swapper/319:59:033
2213291130,4phc2sys0-21swapper/300:38:383
2213291130,2phc2sys0-21swapper/322:29:323
2213291130,2phc2sys0-21swapper/321:59:023
2213291130,2phc2sys0-21swapper/300:31:553
18613772130,2sleep30-21swapper/323:29:243
145060699131,9cyclictest0-21swapper/223:14:052
145060699131,6cyclictest0-21swapper/222:44:042
145060699131,5cyclictest0-21swapper/221:59:022
1450606991311,1cyclictest0-21swapper/223:45:022
1450606991311,1cyclictest0-21swapper/223:45:022
1450606991311,1cyclictest0-21swapper/219:44:282
1450606991310,1cyclictest0-21swapper/223:25:082
1450606991310,1cyclictest0-21swapper/222:54:272
1450606991310,1cyclictest0-21swapper/222:19:242
1450606991310,1cyclictest0-21swapper/221:39:262
1450606991310,1cyclictest0-21swapper/221:35:012
1450606991310,1cyclictest0-21swapper/220:59:262
1450606991310,1cyclictest0-21swapper/220:49:262
1450606991310,1cyclictest0-21swapper/220:41:092
1450606991310,1cyclictest0-21swapper/220:39:262
1450606991310,1cyclictest0-21swapper/220:34:262
1450606991310,1cyclictest0-21swapper/219:49:242
1450606991310,1cyclictest0-21swapper/219:34:252
145060699130,7cyclictest0-21swapper/223:49:032
145060699130,7cyclictest0-21swapper/222:29:032
145060599133,2cyclictest82050irq/121-eno122:32:491
1450605991310,2cyclictest1563849-21sshd-session20:32:251
2213291120,2phc2sys0-21swapper/323:21:363
2213291120,2phc2sys0-21swapper/323:17:113
2213291120,2phc2sys0-21swapper/321:22:543
2213291120,2phc2sys0-21swapper/320:55:253
2213291120,2phc2sys0-21swapper/319:45:223
2213291120,2phc2sys0-21swapper/300:01:093
145060699129,1cyclictest0-21swapper/222:49:022
145060699129,1cyclictest0-21swapper/200:35:092
145060699124,5cyclictest0-21swapper/200:09:032
145060599126,4cyclictest1-21systemd19:10:021
145060499121,9cyclictest1011-21gdbus19:10:010
2213291114,3phc2sys0-21swapper/321:14:273
2213291113,3phc2sys0-21swapper/322:13:363
2213291111,5phc2sys0-21swapper/320:09:033
2213291111,4phc2sys0-21swapper/320:34:033
2213291110,5phc2sys0-21swapper/320:14:063
2213291110,3phc2sys0-21swapper/322:24:033
2213291110,2phc2sys0-21swapper/323:59:043
2213291110,2phc2sys0-21swapper/323:40:043
2213291110,2phc2sys0-21swapper/323:40:043
2213291110,2phc2sys0-21swapper/322:36:143
2213291110,2phc2sys0-21swapper/300:17:123
2213291110,1phc2sys0-21swapper/322:34:293
2213291110,1phc2sys0-21swapper/321:05:143
2213291110,1phc2sys0-21swapper/320:24:373
145060699119,1cyclictest0-21swapper/220:20:322
145060699118,1cyclictest0-21swapper/219:10:012
2213291102,2phc2sys0-21swapper/300:10:433
2213291101,5phc2sys16283582sleep321:16:353
2213291101,2phc2sys0-21swapper/320:44:263
2213291101,2phc2sys0-21swapper/319:28:343
2213291100,2phc2sys0-21swapper/323:49:023
2213291100,2phc2sys0-21swapper/323:39:443
2213291100,2phc2sys0-21swapper/322:57:583
2213291100,2phc2sys0-21swapper/321:41:183
2213291100,2phc2sys0-21swapper/321:05:023
2213291100,2phc2sys0-21swapper/319:24:013
2213291100,2phc2sys0-21swapper/319:14:043
2213291100,2phc2sys0-21swapper/300:21:253
2213291100,2phc2sys0-21swapper/300:05:103
221329191,3phc2sys0-21swapper/319:39:023
221329190,6phc2sys1584446-21chrt20:46:213
221329190,2phc2sys0-21swapper/320:51:393
221329190,2phc2sys0-21swapper/320:39:563
221329190,2phc2sys0-21swapper/320:17:403
221329190,2phc2sys0-21swapper/319:15:043
221329180,3phc2sys0-21swapper/320:00:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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