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2025-11-23 - 15:57
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackeslot4.osadl.org (updated Sun Nov 23, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1684232993530,4cyclictest2771399-21kworker/2:3+pm10:41:142
1684225993531,3cyclictest136-1kworker/0:1H+kblockd10:41:130
1684232993122,2cyclictest2054128-21kthreadcore12:25:162
168423299281,23cyclictest1826111-21latency_hist09:25:012
168422999281,21cyclictest191rcu_preempt12:28:191
168422999271,24cyclictest1901957-21gltestperf10:25:161
168423299261,22cyclictest1756277-21apt-get08:20:132
168423299261,22cyclictest1745744-21apt-get08:10:142
168423299261,21cyclictest0-21swapper/211:50:132
168423299260,22cyclictest220-21jbd2/nvme0n1p2-810:15:142
168422999261,3cyclictest1807521-21apt-get09:10:111
168422599260,3cyclictest1957505-21rm11:07:350
1684232992520,3cyclictest1876522-21apt-get10:05:112
168423299251,3cyclictest1710277-21apt-get07:35:122
168423299251,21cyclictest2040534-21diskstats12:15:142
168423299251,21cyclictest1750797-21apt-get08:15:132
168423299251,21cyclictest1740666-21apt-get08:05:122
168423299251,21cyclictest0-21swapper/208:45:132
168423299250,5cyclictest1707428-21/usr/sbin/munin07:30:172
168422999253,3cyclictest311ktimers/111:26:591
1684229992523,2cyclictest311ktimers/110:14:571
168422999251,22cyclictest2065945-21irqcore12:35:161
168422599252,21cyclictest1715333-21apt-get07:40:130
1684225992520,3cyclictest1756277-21apt-get08:20:140
168422599250,5cyclictest1864923-21grep09:55:170
168423499242,21cyclictest1695044-21apt-get07:20:113
168423499241,21cyclictest1926964-21fw_forwarded_lo10:45:133
1684232992420,2cyclictest1761328-21apt-get08:25:112
1684232992419,3cyclictest1813763-21ssh09:15:112
1684232992419,2cyclictest1964899-21ssh11:15:122
1684232992418,4cyclictest1905019-21tr10:25:202
168423299241,3cyclictest1958594-21apt-get11:10:142
168423299241,2cyclictest1807216-21diskmemload10:11:432
168423299241,21cyclictest1933009-21apt-get10:50:132
168423299241,21cyclictest1797308-21apt-get09:00:122
168423299241,20cyclictest1971146-21apt-get11:20:112
168423299241,20cyclictest1895343-21apt-get10:20:132
168423299241,20cyclictest0-21swapper/209:30:082
168423299241,20cyclictest0-21swapper/207:55:132
168423299240,21cyclictest0-21swapper/211:25:132
168423299240,20cyclictest2046620-21ssh12:20:122
168422999241,4cyclictest1814602-21irqcore09:15:161
168422999241,21cyclictest2008869-21apt-get11:50:131
168422999241,21cyclictest1826275-21apt-get09:25:141
168422999241,21cyclictest1807216-21diskmemload12:14:301
168422999241,20cyclictest1755590-21munin-run08:20:001
168422999240,3cyclictest2042977-21grep12:15:191
1684225992420,3cyclictest171ktimers/007:35:530
1684225992420,2cyclictest1735612-21apt-get08:00:110
1684225992420,2cyclictest1689543-21apt-get07:15:130
168422599241,2cyclictest1851452-21apt-get09:45:140
168422599241,21cyclictest1786710-21apt-get08:50:110
168422599241,20cyclictest1901609-21apt-get10:25:130
1684234992320,2cyclictest0-21swapper/308:55:163
1684234992319,2cyclictest1901955-21grep10:25:173
168423499231,20cyclictest1952323-21apt-get11:05:123
168423499231,20cyclictest1807216-21diskmemload11:42:133
168423499230,3cyclictest75-21kswapd011:05:003
168423499230,22cyclictest2019853-21ssh11:56:013
168423499230,22cyclictest1862459-21runrttasks09:51:103
168423499230,22cyclictest1824199-21/usr/sbin/munin09:20:233
1684232992320,2cyclictest1807216-21diskmemload09:45:522
1684232992320,2cyclictest1720385-21apt-get07:45:142
1684232992319,2cyclictest2059061-21ssh12:30:042
1684232992319,2cyclictest1807216-21diskmemload09:35:252
1684232992319,2cyclictest1791511-21ls08:55:002
1684232992319,2cyclictest0-21swapper/207:50:122
1684232992318,4cyclictest1989302-21ssh11:33:482
168423299231,2cyclictest2034074-21apt-get12:10:152
168423299231,2cyclictest2015335-21/usr/sbin/munin11:55:142
168423299231,2cyclictest2002628-21apt-get11:45:122
168423299231,2cyclictest1695044-21apt-get07:20:112
168423299231,2cyclictest0-21swapper/207:15:132
168423299231,21cyclictest0-21swapper/210:55:382
168423299231,20cyclictest0-21swapper/211:00:122
168423299230,3cyclictest1996265-21ssh11:40:102
168423299230,20cyclictest0-21swapper/210:35:152
168423299230,20cyclictest0-21swapper/209:50:172
168423299230,20cyclictest0-21swapper/208:35:122
1684229992320,2cyclictest1964892-21apt-get11:15:131
1684229992319,3cyclictest1807216-21diskmemload10:51:191
1684229992318,4cyclictest1870737-21cut10:00:151
168422999231,2cyclictest1952336-21ssh11:05:121
168422999231,2cyclictest0-21swapper/109:20:111
168422999231,21cyclictest1838865-21apt-get09:35:121
168422999231,21cyclictest1807216-21diskmemload11:42:081
168422999231,21cyclictest1807216-21diskmemload11:24:491
168422999231,21cyclictest1807216-21diskmemload10:41:581
168422999231,21cyclictest1807216-21diskmemload10:31:521
168422999231,21cyclictest1807216-21diskmemload09:49:231
168422999231,20cyclictest1939295-21apt-get10:55:151
168422999231,20cyclictest1802409-21apt-get09:05:131
1684229992311,2cyclictest191rcu_preempt10:09:401
168422999230,22cyclictest1845154-21rm09:40:111
168422999230,21cyclictest1893032-21ssh10:15:231
168422999230,21cyclictest1704929-21idleruntime-cro07:29:591
168422999230,1cyclictest2051972-21ssh12:23:101
168422599232,2cyclictest1771481-21apt-get08:35:120
1684225992320,2cyclictest1807216-21diskmemload11:36:300
1684225992318,4cyclictest1849636-21unixbench_singl09:40:250
1684225992313,2cyclictest2021163-21awk12:00:000
168422599231,2cyclictest686-21snmpd11:45:120
168422599231,2cyclictest0-21swapper/010:30:210
168422599231,21cyclictest1807216-21diskmemload11:52:360
168422599231,20cyclictest1807216-21diskmemload10:55:020
168422599231,20cyclictest1807216-21diskmemload10:19:230
168422599230,22cyclictest3471731-21systemd-journal10:25:000
168422599230,21cyclictest1807216-21diskmemload10:07:480
168422599230,21cyclictest1807216-21diskmemload09:53:540
168422599230,21cyclictest1750519-21ls08:15:000
1684234992221,1cyclictest0-21swapper/309:15:213
1684234992219,2cyclictest1893046-21ntpq10:15:233
1684234992219,2cyclictest1807216-21diskmemload12:21:313
1684234992219,2cyclictest1807216-21diskmemload11:45:453
1684234992219,2cyclictest1807216-21diskmemload09:57:453
1684234992219,1cyclictest1807216-21diskmemload10:30:233
1684234992218,3cyclictest1925194-21ssh10:41:163
1684234992218,3cyclictest1843632-21ssh09:36:073
1684234992217,4cyclictest2057593-21ssh12:26:043
168423499221,2cyclictest0-21swapper/309:10:113
168423499221,20cyclictest1807216-21diskmemload11:54:103
168423499221,20cyclictest1807216-21diskmemload11:32:023
168423499221,20cyclictest1807216-21diskmemload10:04:463
168423499221,20cyclictest0-21swapper/311:39:213
168423499221,20cyclictest0-21swapper/308:30:123
168423499221,1cyclictest1807216-21diskmemload10:58:453
168423499220,2cyclictest2034080-21ssh12:10:143
168423499220,21cyclictest1970693-21ssh11:19:313
168423499220,21cyclictest1887562-21ssh10:11:103
168423499220,21cyclictest1786713-21taskset08:50:113
168423499220,20cyclictest1959119-21grep11:10:183
168423499220,20cyclictest0-21swapper/310:52:053
168423499220,19cyclictest0-21swapper/309:25:143
1684232992219,2cyclictest1807216-21diskmemload12:38:312
1684232992219,2cyclictest1807216-21diskmemload10:30:542
1684232992219,2cyclictest0-21swapper/209:11:202
1684232992218,2cyclictest0-21swapper/208:40:112
168423299221,20cyclictest1807216-21diskmemload12:00:312
168423299221,20cyclictest0-21swapper/210:49:132
168423299221,20cyclictest0-21swapper/209:42:262
168423299220,2cyclictest0-21swapper/209:55:132
168423299220,21cyclictest1807216-21diskmemload10:00:412
168423299220,21cyclictest1807216-21diskmemload09:25:252
168423299220,20cyclictest1952332-21ssh11:05:112
168423299220,20cyclictest0-21swapper/211:35:452
168423299220,19cyclictest0-21swapper/212:05:022
1684229992219,2cyclictest1807216-21diskmemload09:55:581
168422999221,2cyclictest1807216-21diskmemload12:07:561
168422999221,20cyclictest0-21swapper/110:45:581
168422999221,20cyclictest0-21swapper/109:30:221
168422999221,20cyclictest0-21swapper/108:20:141
168422999221,1cyclictest0-21swapper/110:20:141
168422999220,3cyclictest1951618-21munin-run11:05:001
168422999220,2cyclictest1959114-21ps11:10:181
168422999220,21cyclictest2002636-21ssh11:45:111
168422999220,21cyclictest1989042-21ssh11:32:591
168422999220,21cyclictest1807216-21diskmemload12:02:501
168422999220,21cyclictest1792270-21irqcore08:55:161
168422999220,20cyclictest1807216-21diskmemload11:55:451
1684225992219,2cyclictest1807216-21diskmemload11:02:250
1684225992218,2cyclictest2021459-21apt-get12:00:130
168422599221,2cyclictest1700122-21apt-get07:25:100
168422599221,20cyclictest1807216-21diskmemload12:19:060
168422599221,20cyclictest1807216-21diskmemload12:12:380
168422599221,20cyclictest1807216-21diskmemload11:28:070
168422599221,20cyclictest1807216-21diskmemload10:48:150
168422599221,20cyclictest0-21swapper/012:05:120
168422599221,1cyclictest0-21swapper/009:31:190
168422599221,19cyclictest0-21swapper/007:30:120
168422599220,2cyclictest1988326-21ssh11:30:410
168422599220,2cyclictest1971323-21ssh11:20:130
168422599220,2cyclictest1807216-21diskmemload10:35:550
168422599220,21cyclictest1807216-21diskmemload10:10:150
168422599220,20cyclictest2046532-21sh12:20:010
168422599220,20cyclictest1807216-21diskmemload12:30:510
168422599220,20cyclictest1807216-21diskmemload10:52:220
168422599220,20cyclictest0-21swapper/012:25:090
168422599220,19cyclictest0-21swapper/011:40:020
1684234992119,1cyclictest2059144-21apt-get12:30:133
1684234992119,1cyclictest1807216-21diskmemload12:15:393
1684234992119,1cyclictest1807216-21diskmemload12:00:263
1684234992119,1cyclictest1807216-21diskmemload11:21:533
1684234992119,1cyclictest0-21swapper/309:05:133
1684234992119,1cyclictest0-21swapper/308:12:593
1684234992118,2cyclictest1700605-21ps07:25:153
1684234992117,3cyclictest1880506-21ssh10:05:203
1684234992117,3cyclictest1856190-21ssh09:46:163
168423499211,1cyclictest0-21swapper/312:35:123
168423499210,20cyclictest64-21kcompactd009:31:283
168423499210,1cyclictest1807216-21diskmemload10:35:403
168423499210,1cyclictest0-21swapper/308:45:133
1684232992116,2cyclictest1766383-21apt-get08:30:122
168423299210,20cyclictest0-21swapper/207:28:202
168423299210,20cyclictest0-21swapper/207:13:502
168423299210,1cyclictest0-21swapper/208:59:592
168423299210,1cyclictest0-21swapper/207:40:132
1684229992119,1cyclictest0-21swapper/108:40:131
1684229992118,2cyclictest1807216-21diskmemload12:32:211
1684229992118,2cyclictest1807216-21diskmemload10:36:441
1684229992117,2cyclictest1861738-21ssh09:50:261
168422999211,1cyclictest0-21swapper/108:25:521
168422999210,20cyclictest0-21swapper/108:50:111
168422999210,20cyclictest0-21swapper/107:35:111
168422999210,20cyclictest0-21swapper/107:30:121
168422999210,20cyclictest0-21swapper/107:20:111
168422999210,1cyclictest0-21swapper/111:38:141
1684225992119,1cyclictest1720385-21apt-get07:45:130
1684225992119,1cyclictest0-21swapper/009:35:120
1684225992119,1cyclictest0-21swapper/008:46:180
1684225992118,2cyclictest1871130-21ssh10:00:160
1684225992118,2cyclictest1807216-21diskmemload09:24:420
1684225992116,3cyclictest3471731-21systemd-journal09:10:000
168422599211,1cyclictest1813759-21apt-get09:15:120
168422599211,1cyclictest1807216-21diskmemload09:10:010
168422599210,20cyclictest1745462-21cron08:10:000
168422599210,20cyclictest0-21swapper/011:10:480
168422599210,20cyclictest0-21swapper/009:25:140
168422599210,1cyclictest0-21swapper/011:15:400
168422599210,18cyclictest0-21swapper/012:35:000
1684234992019,1cyclictest0-21swapper/310:21:223
1684234992019,0cyclictest0-21swapper/312:05:373
1684234992018,1cyclictest64-21kcompactd007:16:003
1684234992018,1cyclictest64-21kcompactd007:12:463
1684234992018,1cyclictest1845079-21ssh09:40:033
1684234992018,1cyclictest0-21swapper/308:25:533
1684234992018,1cyclictest0-21swapper/308:20:143
1684234992018,1cyclictest0-21swapper/308:08:413
1684234992018,1cyclictest0-21swapper/307:40:143
1684234992018,1cyclictest0-21swapper/307:35:113
168423499200,1cyclictest0-21swapper/308:35:123
168423499200,1cyclictest0-21swapper/308:16:123
168423299200,1cyclictest0-21swapper/209:05:132
1684229992018,1cyclictest64-21kcompactd007:54:421
1684229992018,1cyclictest0-21swapper/108:04:231
168422999200,1cyclictest64-21kcompactd009:01:541
168422999200,1cyclictest0-21swapper/108:45:141
168422999200,1cyclictest0-21swapper/108:10:121
168422999200,1cyclictest0-21swapper/108:05:121
168422999200,1cyclictest0-21swapper/107:40:131
168422999200,1cyclictest0-21swapper/107:12:451
1684225992018,1cyclictest0-21swapper/008:42:330
1684225992018,1cyclictest0-21swapper/008:15:140
1684225992018,1cyclictest0-21swapper/007:55:150
1684225992017,2cyclictest0-21swapper/007:10:120
168422599200,1cyclictest0-21swapper/007:20:110
168422599200,19cyclictest0-21swapper/009:04:350
168422599200,19cyclictest0-21swapper/008:34:290
168422599200,19cyclictest0-21swapper/007:50:170
168423499190,1cyclictest0-21swapper/308:40:123
1684229991917,1cyclictest0-21swapper/108:32:521
1684229991917,1cyclictest0-21swapper/107:56:501
1684229991917,1cyclictest0-21swapper/107:18:091
1684234991816,1cyclictest0-21swapper/307:55:153
1684234991816,1cyclictest0-21swapper/307:30:113
168423499180,0cyclictest0-21swapper/307:45:133
1684225991815,2cyclictest1792288-21irqcore08:55:160
1684234991712,3cyclictest1735902-21gltestperf08:00:143
1684229991715,1cyclictest0-21swapper/107:47:431
1684234991613,2cyclictest481rcuc/307:50:173
1684229991514,1cyclictest64-21kcompactd008:38:151
1684225991411,2cyclictest1765640-21unixbench_multi08:25:250
168423499130,1cyclictest191rcu_preempt09:00:203
168423299101,6cyclictest1684148-21latency_hist07:10:012
16842349990,1cyclictest191rcu_preempt07:10:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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