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2026-05-18 - 18:47
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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 Mon May 18, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1977621750,4sleep3819699cyclictest10:54:343
3229521690,5sleep1817999cyclictest11:07:171
959721510,4sleep1817999cyclictest08:37:181
106891980,3ptp4l401ktimersoftd/308:36:113
31322660,2sleep10-21swapper/110:37:221
22422660,5sleep1817999cyclictest11:42:181
69642630,4sleep00-21swapper/008:32:160
163932610,1sleep20-21swapper/211:23:162
134522560,2sleep10-21swapper/114:02:581
59312494,32sleep20-21swapper/208:31:592
8196994819,8cyclictest41-21ksoftirqd/310:39:013
8196994617,8cyclictest41-21ksoftirqd/311:35:333
61762444,25sleep16273-21/usr/sbin/munin08:32:101
819699433,7cyclictest13325-21kworker/3:211:50:103
8196994320,9cyclictest41-21ksoftirqd/311:26:593
8196994318,8cyclictest41-21ksoftirqd/312:02:283
8196994312,7cyclictest41-21ksoftirqd/312:47:153
8196994220,9cyclictest41-21ksoftirqd/311:07:273
819699416,6cyclictest41-21ksoftirqd/311:30:253
819699414,6cyclictest41-21ksoftirqd/313:48:233
819699413,5cyclictest0-21swapper/313:25:523
819699412,5cyclictest41-21ksoftirqd/311:56:443
8196994122,8cyclictest41-21ksoftirqd/311:02:043
8196994120,8cyclictest41-21ksoftirqd/312:12:033
819699408,5cyclictest41-21ksoftirqd/309:07:463
819699407,6cyclictest41-21ksoftirqd/313:42:113
8196994036,2cyclictest391rcuc/310:46:053
8196994020,9cyclictest41-21ksoftirqd/310:57:153
8196994017,9cyclictest41-21ksoftirqd/312:22:273
819699394,6cyclictest41-21ksoftirqd/312:10:213
819699394,5cyclictest0-21swapper/313:29:533
819699393,5cyclictest41-21ksoftirqd/311:42:123
819699392,6cyclictest0-21swapper/311:16:593
8196993918,9cyclictest41-21ksoftirqd/311:12:273
8196993918,9cyclictest41-21ksoftirqd/311:12:273
8196993917,9cyclictest41-21ksoftirqd/310:49:263
819099393,6cyclictest0-21swapper/211:57:112
706423910,5sleep09-21ksoftirqd/012:19:440
55902390,2sleep00-21swapper/010:40:500
106891390,1ptp4l401ktimersoftd/313:34:463
106891390,1ptp4l401ktimersoftd/313:13:023
106891390,0ptp4l401ktimersoftd/313:02:163
819699382,5cyclictest41-21ksoftirqd/313:53:423
8196993817,9cyclictest41-21ksoftirqd/312:37:183
8196993817,9cyclictest41-21ksoftirqd/312:37:183
106891380,1ptp4l401ktimersoftd/313:59:503
106891380,1ptp4l401ktimersoftd/313:00:133
106891380,1ptp4l401ktimersoftd/312:46:343
106891380,1ptp4l401ktimersoftd/312:46:343
106891380,1ptp4l401ktimersoftd/311:39:493
819699371,5cyclictest41-21ksoftirqd/309:51:023
819099372,5cyclictest24023-21apt-get11:32:112
8190993714,19cyclictest20453-21switchtime13:37:302
8190993711,3cyclictest27895-21cut10:22:202
106891370,1ptp4l401ktimersoftd/313:39:173
106891370,1ptp4l401ktimersoftd/312:29:043
106891370,0ptp4l401ktimersoftd/313:17:133
106891370,0ptp4l401ktimersoftd/312:18:033
819699365,9cyclictest41-21ksoftirqd/311:59:443
819099363,6cyclictest0-21swapper/208:52:072
819099363,5cyclictest0-21swapper/209:17:072
819099361,5cyclictest0-21swapper/210:17:062
8190993610,3cyclictest12373-21ls14:02:232
106891360,1ptp4l401ktimersoftd/312:33:533
106891360,1ptp4l401ktimersoftd/308:41:063
106891360,0ptp4l401ktimersoftd/312:52:433
819699355,7cyclictest41-21ksoftirqd/313:09:143
819699355,5cyclictest41-21ksoftirqd/310:30:323
819699354,5cyclictest0-21swapper/309:06:283
8196993515,3cyclictest41-21ksoftirqd/310:22:263
819099359,4cyclictest1627-21expr12:47:132
819099351,4cyclictest16482-21/usr/sbin/munin09:57:262
8190993513,19cyclictest2750-21sh11:10:232
8190993513,19cyclictest27005-21sh13:44:402
8190993513,18cyclictest8600-21sh13:58:092
8190993511,3cyclictest14071-21grep09:52:252
8190993510,4cyclictest6989-21fschecks_count12:52:152
8190993510,4cyclictest3666-21date13:22:022
106891350,1ptp4l401ktimersoftd/309:44:543
819699344,6cyclictest41-21ksoftirqd/309:37:263
819699342,5cyclictest41-21ksoftirqd/314:05:533
819099349,4cyclictest24163-21irqrtprio09:07:162
819099344,5cyclictest28879-21apt-get13:47:162
819099342,6cyclictest1717-21apt-get10:37:102
819099342,5cyclictest0-21swapper/210:42:102
819099341,5cyclictest8772-21latency_hist13:27:022
8190993413,18cyclictest11124-21sh11:17:452
8190993413,17cyclictest12056-21sh12:24:462
8190993410,5cyclictest2978-21apt-get09:32:092
8190993410,5cyclictest2978-21apt-get09:32:092
817999342,2cyclictest121rcu_preempt11:40:121
106891340,1ptp4l401ktimersoftd/308:50:423
819699336,8cyclictest41-21ksoftirqd/308:56:443
8196993329,2cyclictest391rcuc/309:01:263
8196993313,8cyclictest41-21ksoftirqd/309:26:563
8196993310,9cyclictest41-21ksoftirqd/309:12:093
819099337,3cyclictest23029-21awk09:06:552
819099333,7cyclictest11459-21apt-get08:42:072
819099333,6cyclictest26485-21apt-get13:12:122
819099333,5cyclictest21619-21apt-get10:57:082
8190993326,4cyclictest7400-21cron09:41:562
819099332,4cyclictest16572-21apt-get13:02:132
8190993311,4cyclictest21444-21sh12:33:512
8190993310,4cyclictest20127-21cat08:57:242
819699325,5cyclictest41-21ksoftirqd/310:12:253
8196993225,4cyclictest41-21ksoftirqd/310:36:583
819099329,4cyclictest26287-21/usr/sbin/munin12:07:142
819099329,4cyclictest22207-21if_err_ens313:07:172
819099329,3cyclictest16601-21bc10:52:082
819099329,3cyclictest14239-21expr13:32:172
819099327,4cyclictest640-21cpuspeed_turbos09:27:092
819099327,4cyclictest640-21cpuspeed_turbos09:27:092
819099327,4cyclictest11787-21cat12:57:142
819099326,5cyclictest24199-21gltestperf12:37:162
819099326,5cyclictest24199-21gltestperf12:37:162
819099323,5cyclictest13825-21apt-get12:27:122
819099322,4cyclictest0-21swapper/210:27:092
819099321,9cyclictest4232-21cpuspeed_turbos11:12:122
819099321,9cyclictest4232-21cpuspeed_turbos11:12:122
8190993210,3cyclictest6929-21sh12:19:292
8190993210,3cyclictest4929-21sh13:55:202
819699314,8cyclictest41-21ksoftirqd/309:52:373
819099317,4cyclictest5947-21sh11:46:472
819099317,3cyclictest14529-21irqrtprio08:47:142
819099313,6cyclictest12904-21snmp_o5powerctl11:52:232
819099312,7cyclictest8430-21apt-get08:37:072
819099311,4cyclictest8917-21chrt11:48:252
8190993111,4cyclictest24808-21sh12:05:072
116202310,3sleep111605-21apt-get12:57:131
819699302,6cyclictest41-21ksoftirqd/310:17:163
8196993025,3cyclictest41-21ksoftirqd/309:17:173
819099308,3cyclictest19732-21sh11:27:172
819099308,3cyclictest1092-21diskmemload11:38:102
819099307,3cyclictest30591-21acpi09:22:072
819099302,7cyclictest23294-21snmp_o5powerctl10:12:222
819099301,7cyclictest11595-21/usr/sbin/munin10:47:182
8190993010,3cyclictest19981-21gltestperf10:07:132
321782300,1sleep00-21swapper/011:39:440
819699295,6cyclictest41-21ksoftirqd/308:42:113
8196992924,3cyclictest41-21ksoftirqd/310:02:173
8196992922,5cyclictest41-21ksoftirqd/309:31:563
8196992922,5cyclictest41-21ksoftirqd/309:31:563
819099299,3cyclictest3461-21ssh12:16:592
819099299,3cyclictest10493-21switchtime13:27:292
819099296,4cyclictest31461-21cpu10:32:112
819099293,5cyclictest30366-21snmp_o5powerctl12:42:272
819099293,5cyclictest30366-21snmp_o5powerctl12:42:272
8190992911,2cyclictest321ktimersoftd/211:06:582
8179992820,6cyclictest25-21ksoftirqd/112:22:311
8196992722,3cyclictest41-21ksoftirqd/309:57:083
819699271,7cyclictest41-21ksoftirqd/310:09:463
8174992722,3cyclictest9-21ksoftirqd/013:12:290
8174992721,3cyclictest9-21ksoftirqd/009:17:430
8196992621,3cyclictest41-21ksoftirqd/309:32:113
8196992621,3cyclictest41-21ksoftirqd/309:32:113
8190992620,3cyclictest33-21ksoftirqd/209:16:072
819099260,13cyclictest0-21swapper/209:47:092
8179992621,3cyclictest25-21ksoftirqd/110:42:281
8179992619,4cyclictest25-21ksoftirqd/108:46:451
817499264,18cyclictest29331-21tr12:42:160
817499264,18cyclictest29331-21tr12:42:160
8174992620,3cyclictest1092-21diskmemload13:00:290
819099259,3cyclictest47150irq/102-ens3-Tx09:45:492
817999252,5cyclictest1055-21runrttasks10:48:461
8179992520,3cyclictest25-21ksoftirqd/112:32:001
8179992519,3cyclictest25-21ksoftirqd/112:32:171
8179992519,3cyclictest25-21ksoftirqd/109:19:411
8179992518,5cyclictest25-21ksoftirqd/113:37:181
8179992518,4cyclictest25-21ksoftirqd/113:18:131
8179992518,4cyclictest25-21ksoftirqd/108:59:301
8174992520,3cyclictest9-21ksoftirqd/012:39:070
8174992520,3cyclictest9-21ksoftirqd/012:39:070
8174992519,4cyclictest9-21ksoftirqd/009:04:080
8174992519,3cyclictest9-21ksoftirqd/010:26:350
8174992518,4cyclictest9-21ksoftirqd/009:57:300
254322250,2sleep00-21swapper/012:06:110
8179992418,3cyclictest25-21ksoftirqd/112:11:201
8179992418,3cyclictest25-21ksoftirqd/110:23:291
8179992417,4cyclictest25-21ksoftirqd/109:11:501
8179992417,4cyclictest18421-21tail10:52:261
8179992416,5cyclictest1074-21gltestperf09:27:131
8179992416,5cyclictest1074-21gltestperf09:27:131
8174992419,3cyclictest9-21ksoftirqd/011:22:190
8174992419,3cyclictest9-21ksoftirqd/010:14:500
8174992419,3cyclictest9-21ksoftirqd/009:46:220
8174992418,4cyclictest9-21ksoftirqd/009:41:080
8174992418,3cyclictest9-21ksoftirqd/010:33:490
8174992418,3cyclictest9-21ksoftirqd/010:19:050
817999237,9cyclictest21393-21ssh12:02:111
8179992318,3cyclictest25-21ksoftirqd/113:32:171
8179992318,3cyclictest25-21ksoftirqd/111:22:171
8179992318,3cyclictest25-21ksoftirqd/111:17:511
8179992317,3cyclictest25-21ksoftirqd/113:27:011
8179992317,3cyclictest25-21ksoftirqd/111:34:121
8179992316,4cyclictest25-21ksoftirqd/113:04:441
8179992316,4cyclictest25-21ksoftirqd/110:34:161
817999231,5cyclictest5047-21cron09:36:561
817999231,5cyclictest5047-21cron09:36:561
8179992315,6cyclictest25-21ksoftirqd/111:27:261
8179992310,3cyclictest4039-21sh11:12:091
8179992310,3cyclictest4039-21sh11:12:091
8174992318,3cyclictest9-21ksoftirqd/011:57:140
8174992316,4cyclictest14289-21ssh14:04:220
817499231,4cyclictest8790-21perl08:37:110
817499231,4cyclictest446-21snmp_o5powerctl13:17:260
817999222,17cyclictest26983-21tune2fs11:02:161
817999222,17cyclictest17562-21grep10:02:141
8179992217,3cyclictest25-21ksoftirqd/113:53:581
8179992216,4cyclictest25-21ksoftirqd/109:40:451
8179992215,5cyclictest25-21ksoftirqd/112:43:381
8179992215,5cyclictest25-21ksoftirqd/112:43:381
8179992215,4cyclictest9704-21sed13:27:201
8179992215,4cyclictest25-21ksoftirqd/109:22:061
8179992215,4cyclictest14922-21nfs4_client08:47:161
8179992215,4cyclictest13551-21nfs4_client09:52:171
8179992214,5cyclictest8856-21sh13:58:351
817999221,18cyclictest24258-21grep13:42:171
817999220,10cyclictest251872sh11:00:191
817499229,3cyclictest9-21ksoftirqd/010:48:460
8174992217,3cyclictest9-21ksoftirqd/013:27:370
8174992217,2cyclictest9-21ksoftirqd/011:35:120
8174992216,3cyclictest9-21ksoftirqd/013:41:410
8174992216,3cyclictest9-21ksoftirqd/011:12:380
8174992216,3cyclictest9-21ksoftirqd/011:12:380
8174992216,3cyclictest9-21ksoftirqd/010:09:420
8174992216,3cyclictest9-21ksoftirqd/009:53:070
8174992216,3cyclictest9-21ksoftirqd/008:51:260
8174992216,3cyclictest19537-21sed11:27:150
8174992216,3cyclictest11725-21sed09:47:260
8174992214,4cyclictest508-21wc12:12:300
819099210,18cyclictest18885-21/usr/sbin/munin10:02:272
817999212,16cyclictest16793-21grep11:57:151
8179992116,3cyclictest25-21ksoftirqd/113:14:161
8179992116,3cyclictest25-21ksoftirqd/112:47:181
8179992115,3cyclictest25259-21grep12:37:271
8179992115,3cyclictest25259-21grep12:37:271
8179992115,3cyclictest25-21ksoftirqd/109:11:591
8179992114,5cyclictest25-21ksoftirqd/113:47:281
8179992114,4cyclictest25-21ksoftirqd/110:18:151
8179992114,4cyclictest23029-21nfs4_client10:12:181
8179992114,4cyclictest14766-21/usr/sbin/munin09:57:131
8179992114,4cyclictest13044-21timerandwakeup11:52:271
8179992113,4cyclictest21445-21/usr/sbin/munin13:07:141
817999211,17cyclictest29205-21cut10:27:101
8174992116,3cyclictest9-21ksoftirqd/012:28:540
8174992116,3cyclictest9-21ksoftirqd/011:01:580
8174992116,3cyclictest19509-21grep12:32:190
8174992115,3cyclictest9-21ksoftirqd/008:53:470
8174992115,3cyclictest23255-21/usr/sbin/munin09:07:110
817499211,4cyclictest12805-21snmp_o5powerctl08:42:220
8174992114,4cyclictest18660-21sh10:52:430
8174992114,4cyclictest10472-21timerandwakeup12:22:330
817499211,2cyclictest0-21swapper/011:44:280
817499211,18cyclictest0-21swapper/009:14:200
817499210,19cyclictest0-21swapper/009:27:400
817499210,19cyclictest0-21swapper/009:27:400
817499210,18cyclictest28889-21ssh13:47:160
817999203,11cyclictest7712-21apt-get09:42:081
8179992015,3cyclictest25-21ksoftirqd/111:49:121
8179992014,3cyclictest3785-21sh12:17:081
8179992014,3cyclictest22202-21sendmail_mailqu09:02:181
8179992013,4cyclictest31525-21cat12:12:141
817999201,16cyclictest16647-21grep08:52:111
8174992015,3cyclictest9-21ksoftirqd/012:52:110
8174992014,3cyclictest9014-21/usr/sbin/munin11:17:260
8174992014,3cyclictest31297-21irqrtprio09:22:140
8174992014,3cyclictest23266-21unixbench_multi13:07:280
8174992014,3cyclictest18881-21grep10:02:270
8174992014,3cyclictest1092-21diskmemload12:07:110
8174992014,3cyclictest1092-21diskmemload11:07:100
817499201,3cyclictest7000-21ssh13:24:270
817499201,17cyclictest0-21swapper/010:44:440
817499200,18cyclictest0-21swapper/010:29:380
8179991912,4cyclictest19964-21cut10:07:121
8179991911,4cyclictest7430-21irqrtprio12:52:181
8174991914,3cyclictest9-21ksoftirqd/011:54:370
8174991913,3cyclictest13902-21/usr/sbin/munin13:32:190
817499191,2cyclictest0-21swapper/013:56:230
817499191,2cyclictest0-21swapper/012:48:450
8174991912,4cyclictest6740-21expr11:47:130
8174991912,4cyclictest24047-21cstates13:42:150
8174991912,4cyclictest1092-21diskmemload13:02:110
817499191,16cyclictest0-21swapper/014:01:110
817499190,2cyclictest0-21swapper/008:58:240
817999182,10cyclictest10110-21apt-get09:47:081
8174991812,4cyclictest26656-21cpu11:02:130
817499180,16cyclictest0-21swapper/009:33:130
817499180,16cyclictest0-21swapper/009:33:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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