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2025-11-06 - 21:13
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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 highest latencies:
System rackeslot4.osadl.org (updated Thu Nov 06, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1381419993320,1cyclictest191rcu_preempt11:05:190
138142599300,1cyclictest0-21swapper/211:11:442
138141999285,2cyclictest191rcu_preempt10:36:360
1381425992724,2cyclictest0-21swapper/209:30:152
138142199275,20cyclictest0-21swapper/107:15:011
138141999271,24cyclictest683-21runrttasks07:50:100
138142599261,21cyclictest1428457-21apt-get07:55:102
1381421992617,1cyclictest191rcu_preempt11:16:151
138142199261,24cyclictest1423087-21sleep07:50:001
138141999262,3cyclictest1752508-21apt-get12:25:110
138141999262,21cyclictest1758777-21apt-get12:30:120
1381419992619,2cyclictest191rcu_preempt09:59:190
138141999261,4cyclictest1670026-21apt-get11:20:140
138141999261,22cyclictest1644818-21apt-get11:00:100
138141999261,1cyclictest191rcu_preempt10:23:510
138141999261,1cyclictest191rcu_preempt10:03:230
138141999260,24cyclictest1580637-21runrttasks10:06:280
138143199251,20cyclictest1607095-21apt-get10:30:103
138142599252,21cyclictest1695189-21apt-get11:40:122
1381421992521,3cyclictest311ktimers/109:25:381
138141999252,3cyclictest1418248-21apt-get07:45:130
138141999252,22cyclictest1524818-21apt-get09:25:130
1381419992520,3cyclictest1682546-21apt-get11:30:120
1381419992519,5cyclictest1718410-21ntp_11:55:200
1381419992518,2cyclictest191rcu_preempt09:42:540
1381419992517,5cyclictest1454461-21grep08:20:150
138141999251,23cyclictest1505615-21diskmemload12:00:410
138141999251,22cyclictest1505615-21diskmemload11:26:580
138141999251,22cyclictest1505615-21diskmemload10:26:010
138141999251,20cyclictest1505615-21diskmemload12:39:170
138141999250,5cyclictest1593286-21ssh10:16:440
138141999250,1cyclictest0-21swapper/010:50:120
138143199241,20cyclictest1651122-21apt-get11:05:143
138143199240,22cyclictest1746201-21ssh12:20:123
138143199240,21cyclictest1720750-21runrttasks12:00:113
138142599243,20cyclictest401ktimers/210:07:172
1381425992420,2cyclictest0-21swapper/208:05:182
1381425992416,2cyclictest0-21swapper/209:25:002
138142599241,21cyclictest1413155-21apt-get07:40:122
138142599240,23cyclictest1739988-21grep12:15:142
138142599240,22cyclictest1551252-21kthreadcore09:45:172
138142199244,1cyclictest0-21swapper/110:32:331
138142199242,2cyclictest1423340-21apt-get07:50:101
1381421992422,1cyclictest0-21swapper/110:22:061
138142199242,20cyclictest1518532-21apt-get09:20:121
1381419992420,3cyclictest1739942-21apt-get12:15:150
1381419992420,2cyclictest1505923-21apt-get09:10:120
138141999241,3cyclictest64-21kcompactd007:25:080
138141999241,3cyclictest1505615-21diskmemload09:19:010
138141999241,3cyclictest1500812-21apt-get09:05:150
138141999241,22cyclictest1662439-21ssh11:11:510
138141999241,22cyclictest1505615-21diskmemload10:10:250
138141999241,21cyclictest1746226-21apt-get12:20:120
138141999241,21cyclictest1505615-21diskmemload12:10:160
138141999241,21cyclictest1505615-21diskmemload11:40:440
138141999241,21cyclictest1464612-21apt-get08:30:030
138141999241,21cyclictest1392701-21apt-get07:20:140
138141999241,21cyclictest0-21swapper/012:05:110
138141999241,21cyclictest0-21swapper/011:35:140
1381431992320,2cyclictest1600874-21apt-get10:25:133
1381431992319,2cyclictest1638599-21ssh10:55:133
1381431992319,2cyclictest1537763-21apt-get09:35:133
1381431992319,2cyclictest1505615-21diskmemload12:25:103
1381431992318,4cyclictest1663139-21ssh11:14:103
138143199231,2cyclictest1574030-21seq10:00:303
138143199231,19cyclictest0-21swapper/307:40:113
138143199230,22cyclictest1732421-21ssh12:08:243
138143199230,20cyclictest1505615-21diskmemload09:50:143
138143199230,20cyclictest1505615-21diskmemload09:40:143
138142599232,20cyclictest1443758-21apt-get08:10:132
138142599232,19cyclictest1648877-21seq11:00:182
1381425992321,1cyclictest0-21swapper/211:15:182
1381425992319,2cyclictest1765074-21apt-get12:35:142
1381425992319,2cyclictest1676289-21apt-get11:25:122
138142599231,2cyclictest1505615-21diskmemload11:39:172
138142599231,21cyclictest1739430-21ssh12:14:222
138142599230,3cyclictest1530159-21ssh09:28:032
138142599230,22cyclictest1484572-21/usr/sbin/munin08:45:242
1381421992319,3cyclictest0-21swapper/111:20:141
138142199231,2cyclictest1651122-21apt-get11:05:121
138142199231,2cyclictest0-21swapper/111:00:091
138142199231,21cyclictest1505615-21diskmemload11:26:331
138142199231,20cyclictest1739942-21apt-get12:15:151
138142199231,20cyclictest1505615-21diskmemload09:59:511
138142199230,4cyclictest1693528-21ssh11:35:451
138142199230,3cyclictest1505615-21diskmemload10:55:411
138142199230,21cyclictest1657413-21ssh11:10:131
138142199230,20cyclictest1505615-21diskmemload12:00:041
1381419992320,2cyclictest211rcuc/007:10:200
1381419992319,2cyclictest1505615-21diskmemload09:54:190
138141999231,3cyclictest1491036-21irqcore08:55:150
138141999231,2cyclictest1663749-21apt-get11:15:140
138141999231,2cyclictest1505615-21diskmemload10:45:390
138141999231,2cyclictest1505615-21diskmemload09:32:370
138141999231,2cyclictest0-21swapper/009:01:220
138141999231,2cyclictest0-21swapper/009:01:210
138141999231,21cyclictest0-21swapper/011:45:070
138141999231,20cyclictest1505615-21diskmemload10:33:040
138141999231,20cyclictest0-21swapper/011:50:150
138141999230,21cyclictest1505615-21diskmemload10:59:010
138141999230,21cyclictest1505615-21diskmemload09:24:190
138141999230,21cyclictest0-21swapper/009:35:120
138141999230,21cyclictest0-21swapper/007:55:100
1381431992219,2cyclictest1769089-21ntpq12:35:223
1381431992219,2cyclictest1706325-21ssh11:46:253
1381431992219,2cyclictest1505615-21diskmemload12:34:463
1381431992219,2cyclictest1505615-21diskmemload10:06:573
1381431992219,2cyclictest1505615-21diskmemload09:11:393
138143199221,20cyclictest1505615-21diskmemload11:23:533
138143199221,20cyclictest1505615-21diskmemload09:16:393
138143199221,1cyclictest1475262-21apt-get08:40:133
138143199220,3cyclictest1718990-21ssh11:55:273
138143199220,3cyclictest1668945-21ssh11:17:333
138143199220,21cyclictest1687463-21ssh11:31:343
138143199220,21cyclictest1525340-21sed09:25:173
138143199220,21cyclictest1505615-21diskmemload10:41:333
138143199220,20cyclictest1505615-21diskmemload09:55:173
138143199220,20cyclictest0-21swapper/310:10:033
138143199220,19cyclictest0-21swapper/309:30:063
138143199220,19cyclictest0-21swapper/309:00:133
138143199220,19cyclictest0-21swapper/309:00:133
138143199220,19cyclictest0-21swapper/308:05:143
1381425992219,2cyclictest1509911-21ssh09:10:202
1381425992219,2cyclictest1505615-21diskmemload11:20:272
1381425992219,2cyclictest1505615-21diskmemload10:43:522
1381425992219,2cyclictest0-21swapper/212:30:172
1381425992219,2cyclictest0-21swapper/210:46:282
1381425992218,3cyclictest1543227-21ssh09:38:312
138142599221,20cyclictest1505615-21diskmemload10:38:462
138142599221,20cyclictest1505615-21diskmemload10:16:312
138142599221,1cyclictest1505615-21diskmemload11:52:322
138142599221,1cyclictest1505615-21diskmemload10:54:082
138142599220,2cyclictest1505615-21diskmemload11:57:222
138142599220,2cyclictest1505615-21diskmemload10:10:322
138142599220,21cyclictest391rcuc/208:15:102
138142599220,21cyclictest1758156-21ssh12:29:002
138142599220,21cyclictest1517113-21ssh09:16:252
138142599220,20cyclictest1724626-21grep12:00:182
138142599220,20cyclictest1505615-21diskmemload10:34:332
138142599220,19cyclictest0-21swapper/209:00:132
138142599220,19cyclictest0-21swapper/209:00:132
1381421992220,1cyclictest1327312-21kworker/u8:4+xprtiod12:20:151
1381421992219,2cyclictest1700424-21ssh11:42:431
1381421992219,2cyclictest1505615-21diskmemload09:30:131
1381421992219,2cyclictest1505615-21diskmemload09:12:551
1381421992218,2cyclictest1544021-21apt-get09:40:151
1381421992217,4cyclictest1449336-21grep08:15:151
1381421992213,1cyclictest191rcu_preempt09:19:071
138142199221,2cyclictest1505615-21diskmemload12:36:181
138142199221,2cyclictest1505615-21diskmemload10:44:191
138142199221,20cyclictest1505615-21diskmemload11:53:121
138142199221,20cyclictest1505615-21diskmemload11:47:021
138142199221,20cyclictest1505615-21diskmemload11:32:531
138142199221,20cyclictest1505615-21diskmemload10:47:011
138142199221,20cyclictest1505615-21diskmemload10:18:491
138142199220,2cyclictest1505615-21diskmemload10:25:211
138142199220,21cyclictest1739135-21ssh12:13:221
138142199220,21cyclictest1732375-21ssh12:08:151
138142199220,21cyclictest1561930-21ssh09:53:181
138142199220,21cyclictest1505615-21diskmemload10:53:071
138142199220,21cyclictest1505615-21diskmemload09:39:071
138142199220,20cyclictest1505615-21diskmemload10:36:431
138142199220,20cyclictest1505615-21diskmemload10:00:441
1381419992220,1cyclictest683-21runrttasks08:45:130
1381419992218,2cyclictest1408086-21apt-get07:35:120
138141999221,20cyclictest0-21swapper/008:40:120
138141999220,20cyclictest1505615-21diskmemload10:42:060
138141999220,20cyclictest0-21swapper/008:15:100
138141999220,20cyclictest0-21swapper/008:10:130
1381431992119,1cyclictest0-21swapper/312:16:593
1381431992119,1cyclictest0-21swapper/311:37:023
1381431992119,1cyclictest0-21swapper/311:00:403
1381431992119,1cyclictest0-21swapper/310:39:563
1381431992119,1cyclictest0-21swapper/310:24:333
1381431992119,1cyclictest0-21swapper/308:12:583
1381431992119,1cyclictest0-21swapper/307:50:093
1381431992118,2cyclictest1711792-21ntpq11:50:223
1381431992117,2cyclictest1676565-21fschecks_time11:25:153
138143199211,1cyclictest0-21swapper/309:05:163
138143199211,19cyclictest1630581-21ssh10:45:343
138143199210,2cyclictest1505615-21diskmemload12:10:183
138143199210,20cyclictest1480850-21irqcore08:45:163
138143199210,20cyclictest0-21swapper/310:15:463
138143199210,20cyclictest0-21swapper/308:56:003
138143199210,1cyclictest1505615-21diskmemload09:24:553
138143199210,1cyclictest0-21swapper/309:46:103
138143199210,19cyclictest0-21swapper/311:40:123
138143199210,19cyclictest0-21swapper/310:50:143
138143199210,19cyclictest0-21swapper/307:25:103
1381425992119,1cyclictest1505615-21diskmemload12:22:062
1381425992119,1cyclictest0-21swapper/209:57:062
1381425992118,2cyclictest1544837-21irqcore09:40:192
1381425992118,2cyclictest1505615-21diskmemload10:57:212
1381425992117,3cyclictest1730926-21ntpq12:05:202
138142599210,2cyclictest391rcuc/210:25:192
138142599210,20cyclictest1687314-21ssh11:31:062
138142599210,20cyclictest0-21swapper/207:20:132
138142599210,1cyclictest0-21swapper/209:50:282
138142599210,19cyclictest1651060-21ssh11:05:032
138142599210,19cyclictest1505615-21diskmemload11:46:072
138142599210,19cyclictest0-21swapper/207:50:102
1381421992119,1cyclictest1505615-21diskmemload09:46:031
1381421992119,1cyclictest1463054-21ntpq08:25:201
1381421992119,1cyclictest0-21swapper/108:45:251
1381421992118,2cyclictest1505615-21diskmemload10:10:021
1381421992118,2cyclictest1447671-21ntpq08:10:211
138142199211,19cyclictest0-21swapper/110:07:261
138142199211,19cyclictest0-21swapper/107:25:141
138142199210,2cyclictest1505615-21diskmemload12:30:101
138142199210,20cyclictest1752516-21ssh12:25:111
138142199210,20cyclictest1465135-21ps08:30:171
138142199210,20cyclictest0-21swapper/108:40:121
138142199210,1cyclictest0-21swapper/107:30:121
1381419992118,2cyclictest0-21swapper/007:40:120
1381419992118,2cyclictest0-21swapper/007:17:040
1381419992114,1cyclictest1407821-21turbostat07:35:010
138141999210,20cyclictest211rcuc/008:35:130
138141999210,20cyclictest0-21swapper/008:51:080
138141999210,20cyclictest0-21swapper/008:09:590
1381431992018,1cyclictest64-21kcompactd007:57:233
1381431992018,1cyclictest0-21swapper/308:50:103
1381431992017,2cyclictest1453970-21apt-get08:20:113
1381431992016,3cyclictest1386831-21latency_hist07:15:003
138143199200,1cyclictest1469521-21apt-config08:35:003
138143199200,1cyclictest1381269-21latency_hist07:10:013
138143199200,1cyclictest0-21swapper/308:35:013
138143199200,1cyclictest0-21swapper/307:35:123
138143199200,1cyclictest0-21swapper/307:20:143
138143199200,19cyclictest0-21swapper/307:15:133
1381425992018,1cyclictest1505615-21diskmemload10:01:342
1381425992018,1cyclictest0-21swapper/207:15:132
1381425992017,2cyclictest1386917-21cut07:15:012
1381425992017,2cyclictest0-21swapper/208:30:002
1381425992015,3cyclictest1423088-21idleruntime-cro07:49:592
138142599200,1cyclictest64-21kcompactd008:32:522
138142599200,1cyclictest0-21swapper/208:40:122
138142599200,1cyclictest0-21swapper/207:25:102
138142599200,19cyclictest64-21kcompactd008:21:342
1381421992018,1cyclictest0-21swapper/107:20:131
1381421992017,2cyclictest0-21swapper/109:05:141
138142199200,19cyclictest0-21swapper/111:56:541
138142199200,19cyclictest0-21swapper/108:35:131
1381419992017,2cyclictest171ktimers/008:25:120
1381425991917,1cyclictest0-21swapper/207:35:132
1381425991916,2cyclictest0-21swapper/209:05:152
1381425991915,3cyclictest1403472-21irqcore07:30:152
1381421991917,1cyclictest0-21swapper/107:15:131
1381421991916,2cyclictest1415216-21cut07:40:171
138142199190,1cyclictest0-21swapper/108:51:411
138142199190,1cyclictest0-21swapper/108:20:111
138142199190,19cyclictest0-21swapper/108:55:111
1381419991915,3cyclictest1433579-21apt-get08:00:160
1381431991816,1cyclictest0-21swapper/308:00:153
138142599180,17cyclictest0-21swapper/208:35:222
1381421991817,1cyclictest0-21swapper/107:35:121
1381421991816,1cyclictest0-21swapper/109:00:141
1381421991816,1cyclictest0-21swapper/109:00:131
138142599170,7cyclictest1-21systemd09:00:002
1381421991715,1cyclictest0-21swapper/108:05:131
1381425991614,1cyclictest64-21kcompactd008:51:412
1381425991613,2cyclictest0-21swapper/207:10:012
1381421991613,2cyclictest1434247-21irqcore08:00:201
1381431991513,1cyclictest0-21swapper/308:15:103
138142599130,3cyclictest1433672-21grep08:00:152
138142199139,3cyclictest1428524-21cpuspeed_turbos07:55:111
138141999131,10cyclictest1381269-21latency_hist07:10:010
138143199128,2cyclictest1422248-21ntpq07:45:213
138143199120,4cyclictest683-21runrttasks07:30:213
138142199129,2cyclictest0-21swapper/107:10:011
138143199102,2cyclictest191rcu_preempt08:25:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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