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2026-05-16 - 15:04
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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 rackbslot6.osadl.org (updated Sat May 16, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2567421620,3sleep01881299cyclictest12:27:220
956621530,4sleep01881299cyclictest13:51:130
1068911430,4ptp4l401ktimersoftd/308:33:583
66212700,4sleep01881299cyclictest11:36:030
181952660,1sleep30-21swapper/311:46:223
18827996115,22cyclictest24514-21sh10:47:092
1881699611,28cyclictest22121-21/usr/sbin/munin10:46:101
1881699610,31cyclictest26347-21ssh11:21:391
1881699610,25cyclictest7056-21ssh13:16:001
139712610,2sleep00-21swapper/012:16:100
18836996047,6cyclictest41-21ksoftirqd/309:21:033
1881699581,24cyclictest11728-21diskmemload11:07:361
1881699580,33cyclictest16625-21sh13:57:581
106891580,1ptp4l401ktimersoftd/313:34:383
18836995745,6cyclictest41-21ksoftirqd/310:06:023
106891570,1ptp4l401ktimersoftd/312:26:423
318572560,5sleep11881699cyclictest11:27:371
18836995646,5cyclictest41-21ksoftirqd/312:31:063
18836995646,5cyclictest41-21ksoftirqd/312:31:063
186112554,39sleep00-21swapper/008:34:370
18836995446,4cyclictest41-21ksoftirqd/310:40:553
18836995243,3cyclictest41-21ksoftirqd/308:46:013
1881699520,26cyclictest15459-21ssh11:44:531
106891520,1ptp4l401ktimersoftd/313:04:503
106891520,1ptp4l401ktimersoftd/311:14:493
1881699511,23cyclictest4983-21ssh12:40:411
1881699500,26cyclictest18663-21/usr/sbin/munin14:01:141
18836994939,5cyclictest41-21ksoftirqd/313:21:063
1881699480,33cyclictest24894-21ssh13:33:141
106891480,1ptp4l401ktimersoftd/311:00:073
106891480,1ptp4l401ktimersoftd/311:00:073
106891460,2ptp4l31948-21kworker/3:212:01:553
18836994521,4cyclictest41-21ksoftirqd/313:46:133
18836994520,4cyclictest41-21ksoftirqd/311:56:113
18836994414,8cyclictest41-21ksoftirqd/310:26:093
1881699440,23cyclictest115182sleep112:13:181
106891440,1ptp4l401ktimersoftd/311:31:353
1883699436,4cyclictest41-21ksoftirqd/313:06:103
18836994315,19cyclictest41-21ksoftirqd/310:51:063
1881699430,27cyclictest2969-21awk13:11:121
18836994236,3cyclictest41-21ksoftirqd/311:20:563
18836994215,9cyclictest41-21ksoftirqd/311:01:213
18836994212,8cyclictest41-21ksoftirqd/312:11:193
18836994211,8cyclictest41-21ksoftirqd/312:36:223
1881699421,25cyclictest25863-21ssh11:55:521
1881699420,25cyclictest11728-21diskmemload13:21:541
1881699420,21cyclictest0-21swapper/110:59:171
1881699420,21cyclictest0-21swapper/110:59:171
1881699420,21cyclictest0-21swapper/110:51:081
18836994131,5cyclictest41-21ksoftirqd/309:26:023
18836994130,6cyclictest41-21ksoftirqd/308:56:023
18836994127,5cyclictest41-21ksoftirqd/309:05:483
18827994123,9cyclictest15366-21ssh12:51:072
1881699412,32cyclictest14329-21apt-get11:11:051
1881699411,32cyclictest23262-21apt-get12:26:061
1881699411,24cyclictest16158-21perl09:36:061
1881699411,23cyclictest0-21swapper/113:09:211
1881699410,26cyclictest20575-21ssh10:43:491
1881699410,24cyclictest25315-21apt-config09:55:511
1881699410,24cyclictest15909-21/usr/sbin/munin12:51:111
1883699409,8cyclictest41-21ksoftirqd/310:01:093
18836994028,3cyclictest41-21ksoftirqd/311:20:523
18836994017,4cyclictest41-21ksoftirqd/311:44:273
18836994016,4cyclictest41-21ksoftirqd/309:36:043
18836994015,4cyclictest41-21ksoftirqd/312:17:493
18836994012,8cyclictest41-21ksoftirqd/308:51:163
18836994011,8cyclictest41-21ksoftirqd/312:51:103
18836994010,7cyclictest41-21ksoftirqd/310:46:143
18836994010,7cyclictest41-21ksoftirqd/310:11:123
106891400,1ptp4l401ktimersoftd/313:00:333
1883699399,7cyclictest41-21ksoftirqd/312:21:103
18836993926,10cyclictest41-21ksoftirqd/309:31:073
18836993915,4cyclictest41-21ksoftirqd/313:41:063
1883699391,3cyclictest11728-21diskmemload13:56:073
18836993910,7cyclictest41-21ksoftirqd/312:41:123
18836993910,7cyclictest41-21ksoftirqd/308:40:493
1882799390,4cyclictest7037-21tune2fs11:36:072
1881699391,23cyclictest20826-21cat12:56:111
1881699391,19cyclictest0-21swapper/113:46:141
1881699390,2cyclictest0-21swapper/112:02:041
1881699390,24cyclictest20457-21acpi09:46:001
1881699390,22cyclictest8313-21cat10:26:121
106891390,2ptp4l401ktimersoftd/312:07:563
106891390,1ptp4l401ktimersoftd/311:09:583
1883699384,4cyclictest41-21ksoftirqd/310:36:133
18836993832,3cyclictest41-21ksoftirqd/314:05:553
18836993832,3cyclictest41-21ksoftirqd/313:36:063
18836993814,4cyclictest41-21ksoftirqd/313:16:013
18836993811,9cyclictest41-21ksoftirqd/311:26:243
1883699380,3cyclictest41-21ksoftirqd/311:55:533
1882799383,27cyclictest25053-21apt-get13:01:072
1882799382,30cyclictest0-21swapper/211:06:042
1882799382,29cyclictest0-21swapper/211:46:042
18827993810,25cyclictest23993-21cat11:20:532
18827993810,17cyclictest1055-21runrttasks09:33:062
1882799380,5cyclictest3875-21/usr/sbin/munin10:16:142
1881699383,26cyclictest19068-21apt-get08:36:001
1881699382,30cyclictest18140-21apt-get09:41:041
1881699382,29cyclictest6282-21apt-get09:16:031
1881699381,21cyclictest28090-21ptp4l-jitter08:51:111
1881699380,2cyclictest0-21swapper/112:45:411
1881699380,23cyclictest18213-21missed_timers13:26:141
1881699380,22cyclictest26207-21/usr/sbin/munin11:56:101
1881699380,22cyclictest11728-21diskmemload13:37:191
1881699380,22cyclictest11728-21diskmemload12:50:141
185602385,21sleep10-21swapper/108:33:571
106891380,1ptp4l401ktimersoftd/313:53:453
106891380,1ptp4l401ktimersoftd/313:30:303
106891380,1ptp4l401ktimersoftd/312:48:173
18836993718,7cyclictest41-21ksoftirqd/311:36:143
18836993714,4cyclictest41-21ksoftirqd/310:16:113
1882799372,27cyclictest4178-21apt-get13:46:092
1882799371,4cyclictest23340-21/usr/sbin/munin13:31:182
18827993710,24cyclictest16280-21sshd09:36:082
1882799370,4cyclictest31813-21ls09:01:042
1882799370,4cyclictest24998-21ssh11:54:242
1882799370,4cyclictest18307-21/usr/sbin/munin09:41:052
1882799370,4cyclictest18076-21irqrtprio10:41:102
1882799370,4cyclictest10214-21ethtool10:31:102
1881699372,21cyclictest0-21swapper/110:11:121
1881699371,28cyclictest3918-21apt-get09:11:031
1881699371,28cyclictest3918-21apt-get09:11:031
1881699371,23cyclictest27770-21acpi10:01:021
1881699370,22cyclictest955-21cat13:41:241
1881699370,22cyclictest16999-21rm12:19:171
1881699370,21cyclictest8570-21/usr/sbin/munin09:21:131
106891370,1ptp4l401ktimersoftd/313:11:303
106891370,1ptp4l401ktimersoftd/310:32:473
106891370,1ptp4l401ktimersoftd/309:46:213
1882799369,23cyclictest30621-21irqrtprio13:06:132
1882799363,28cyclictest0-21swapper/213:21:072
1882799362,30cyclictest4004-21sort12:06:092
1882799362,28cyclictest0-21swapper/211:21:022
18827993615,18cyclictest1469-21/usr/sbin/munin09:06:172
18827993610,23cyclictest11835-21tr12:46:182
1882799360,4cyclictest18236-21missed_timers13:26:142
1881699362,28cyclictest1772-21apt-get11:31:071
1881699362,27cyclictest1547-21apt-get09:06:001
1881699361,21cyclictest31228-21rm12:33:281
1881699361,21cyclictest31228-21rm12:33:281
1881699361,20cyclictest16490-21kworker/u8:211:20:081
1881699360,2cyclictest0-21swapper/111:03:431
12582360,3sleep01881299cyclictest10:56:200
12582360,3sleep01881299cyclictest10:56:200
106891360,1ptp4l401ktimersoftd/309:06:053
51582350,4sleep31883699cyclictest09:11:133
51582350,4sleep31883699cyclictest09:11:133
18836993523,4cyclictest41-21ksoftirqd/309:56:033
18836993515,6cyclictest41-21ksoftirqd/309:41:103
18836993510,7cyclictest41-21ksoftirqd/308:36:063
1882799359,22cyclictest0-21swapper/209:21:062
18827993515,17cyclictest2780-21sh12:36:542
1882799351,30cyclictest3224-21snmp_o5powerctl11:31:192
1882799351,27cyclictest26842-21apt-get13:36:062
1882799350,5cyclictest13797-21/usr/sbin/munin13:56:192
1882799350,4cyclictest24637-21grep12:26:172
1882799350,4cyclictest20216-21snmp_o5powerctl14:01:232
1882799350,4cyclictest15328-21ssh11:44:402
1882799350,3cyclictest12958-21cut10:36:102
18816993514,18cyclictest26733-21sed13:01:241
18816993513,18cyclictest13766-21timerandwakeup10:36:201
18836993428,3cyclictest41-21ksoftirqd/309:51:133
18836993422,9cyclictest41-21ksoftirqd/310:21:143
1882799347,23cyclictest29993-21latency_hist10:05:512
1882799341,4cyclictest14226-21sh11:11:022
1882799341,27cyclictest0-21swapper/213:11:062
18827993411,19cyclictest10202-21cut12:45:542
18827993410,20cyclictest11034-21apt-get09:26:022
1882799340,3cyclictest29453-21expr08:56:042
1882799340,3cyclictest0-21swapper/212:56:092
1882799340,3cyclictest0-21swapper/208:40:352
1881699342,26cyclictest9021-21apt-get13:51:091
1881699342,25cyclictest13408-21apt-get09:31:041
1881699341,30cyclictest9081-21rm11:37:221
1881699341,30cyclictest23777-21/usr/sbin/munin09:51:091
1881699341,26cyclictest2543-21apt-get10:16:031
18836993311,4cyclictest41-21ksoftirqd/309:16:073
1882799337,23cyclictest29827-21timerwakeupswit12:31:232
1882799337,23cyclictest29827-21timerwakeupswit12:31:232
1882799336,23cyclictest6691-21grep09:16:062
1882799333,23cyclictest32595-21apt-get10:11:032
1882799332,7cyclictest9021-21apt-get13:51:082
18827993311,19cyclictest22577-21smartctl08:41:052
18827993310,19cyclictest31210-21sh10:55:122
1882799330,5cyclictest5259-21snmp_o5powerctl09:11:162
1882799330,5cyclictest5259-21snmp_o5powerctl09:11:162
18816993314,16cyclictest5177-21cat12:06:211
1881699330,2cyclictest0-21swapper/111:50:321
1882799322,7cyclictest24487-21apt-get08:46:012
1882799322,25cyclictest0-21swapper/211:56:062
18827993211,18cyclictest32289-21diskstats10:56:072
18827993211,18cyclictest32289-21diskstats10:56:072
18827993210,20cyclictest1894-1kworker/u9:213:44:572
1882799320,4cyclictest9271-21/usr/sbin/munin12:11:122
1882799320,4cyclictest30609-21fschecks_time10:06:052
1882799320,3cyclictest0-21swapper/211:03:472
1881699322,25cyclictest21573-21snmp_o5powerctl08:40:511
18816993212,17cyclictest30334-21grep10:06:031
1881299325,15cyclictest27078-21ssh10:51:020
1882799318,19cyclictest20875-21cut09:46:052
1882799317,21cyclictest23836-21sed09:51:102
1882799311,4cyclictest18655-21/usr/sbin/munin12:21:092
18827993110,18cyclictest31583-21fschecks_time12:01:102
1882799310,5cyclictest7477-21df_inode13:16:102
1882799310,5cyclictest14925-21snmp_o5powerctl12:16:202
1881699317,21cyclictest6538-21unixbench_multi10:21:201
18816993110,18cyclictest18647-21sh12:21:091
1882799301,6cyclictest27498-21ps08:51:072
1882799300,4cyclictest7554-21diskstats10:26:062
1882799300,4cyclictest30744-21snmp_o5powerctl11:26:192
1881699301,26cyclictest11446-21grep09:26:061
1881699300,26cyclictest459-21/usr/sbin/munin09:01:141
18812993024,3cyclictest9-21ksoftirqd/013:41:140
1882799291,5cyclictest6247-21snmp_o5powerctl10:21:162
1881699297,19cyclictest29684-21head08:56:061
1881699291,25cyclictest9999-21fschecks_time10:31:081
1881699291,25cyclictest24853-21uniq08:46:041
18812992920,5cyclictest9-21ksoftirqd/009:36:030
180912295,11sleep20-21swapper/208:31:202
2541022821,3sleep09-21ksoftirqd/010:48:420
201952280,3sleep00-21swapper/014:01:210
1882799281,6cyclictest25850-21fschecks_time09:56:062
18812992822,4cyclictest9-21ksoftirqd/013:06:070
18812992822,3cyclictest9-21ksoftirqd/013:25:550
18812992722,3cyclictest9-21ksoftirqd/012:31:120
18812992722,3cyclictest9-21ksoftirqd/012:31:120
18812992722,3cyclictest9-21ksoftirqd/010:40:510
18812992720,4cyclictest9-21ksoftirqd/010:23:120
1881299263,14cyclictest46950irq/100-ens3-Tx12:01:060
1881299262,21cyclictest26536-21cron08:50:480
18812992621,3cyclictest9-21ksoftirqd/011:25:520
18812992621,3cyclictest9-21ksoftirqd/010:06:060
18812992620,3cyclictest9-21ksoftirqd/008:36:370
18812992619,4cyclictest9-21ksoftirqd/009:27:440
18812992519,3cyclictest9-21ksoftirqd/009:49:480
18812992519,3cyclictest9-21ksoftirqd/009:07:160
18812992518,4cyclictest9-21ksoftirqd/011:41:050
18812992419,3cyclictest9-21ksoftirqd/012:11:060
18812992419,3cyclictest9-21ksoftirqd/012:07:260
18812992419,3cyclictest9-21ksoftirqd/011:56:140
18812992419,3cyclictest9-21ksoftirqd/011:20:520
18812992418,4cyclictest9-21ksoftirqd/008:57:210
18812992418,4cyclictest9-21ksoftirqd/008:42:030
18812992418,3cyclictest9-21ksoftirqd/010:12:560
18812992417,4cyclictest9-21ksoftirqd/010:03:090
18812992416,4cyclictest9-21ksoftirqd/013:26:060
18812992412,9cyclictest11097-21timedrift10:31:210
1881299234,10cyclictest14331-21ssh11:11:050
18812992318,3cyclictest9-21ksoftirqd/011:30:520
18812992318,3cyclictest9-21ksoftirqd/010:20:510
18812992318,3cyclictest9-21ksoftirqd/009:34:100
18812992318,3cyclictest9-21ksoftirqd/009:20:010
18812992317,3cyclictest9-21ksoftirqd/013:37:160
18812992317,3cyclictest9-21ksoftirqd/010:29:220
18812992317,3cyclictest1909-21tr11:31:080
113272230,2sleep00-21swapper/011:06:290
1881299222,11cyclictest5534-21ssh12:41:060
18812992217,3cyclictest9-21ksoftirqd/013:50:550
18812992217,3cyclictest9-21ksoftirqd/013:11:110
18812992217,3cyclictest9-21ksoftirqd/012:56:120
18812992217,3cyclictest9-21ksoftirqd/012:55:150
18812992217,3cyclictest9-21ksoftirqd/009:55:510
18812992215,4cyclictest9-21ksoftirqd/009:05:160
18812992215,4cyclictest21637-21sh11:51:070
18812992115,3cyclictest9-21ksoftirqd/009:58:350
18812992114,4cyclictest27297-21sed08:51:050
18812992110,8cyclictest19780-21unixbench_multi09:41:200
18812992016,3cyclictest9-21ksoftirqd/012:21:080
18812992015,3cyclictest9-21ksoftirqd/013:57:030
18812992015,3cyclictest9-21ksoftirqd/010:41:510
18812992014,3cyclictest20796-21sh11:50:350
18812992012,4cyclictest25333-21df_inode13:01:100
18812991914,3cyclictest9-21ksoftirqd/013:16:090
1881299191,3cyclictest0-21swapper/011:02:190
18812991913,3cyclictest9011-21fschecks_time09:21:060
18812991912,4cyclictest901-21sh12:36:070
18812991912,4cyclictest11728-21diskmemload13:34:560
18812991813,3cyclictest9-21ksoftirqd/012:46:090
18812991811,4cyclictest3829-21seq09:10:540
18812991811,4cyclictest3829-21seq09:10:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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