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2026-04-19 - 21:43
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 Sun Apr 19, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3115822730,4sleep30-21swapper/308:16:073
2303221680,5sleep344799cyclictest11:56:103
2870621620,4sleep143499cyclictest13:41:191
324522684,10sleep00-21swapper/008:16:330
122902640,2sleep20-21swapper/212:17:292
106891630,1ptp4l401ktimersoftd/308:41:053
317102610,5sleep233-21ksoftirqd/212:05:132
179252600,5sleep243999cyclictest11:51:072
59302590,2sleep20-21swapper/213:17:552
273442590,3sleep143499cyclictest13:40:591
205512570,3sleep2321ktimersoftd/213:32:412
106891570,1ptp4l401ktimersoftd/313:44:393
19882560,1sleep00-21swapper/011:34:310
325072556,37sleep20-21swapper/208:17:162
106891550,1ptp4l401ktimersoftd/311:29:283
106891540,1ptp4l401ktimersoftd/311:20:503
101072540,2sleep00-21swapper/013:21:470
96022530,3sleep39579-21ssh12:15:583
136032490,3sleep00-21swapper/010:40:550
106891480,2ptp4l18582-21kworker/3:113:40:203
106891480,1ptp4l401ktimersoftd/311:53:483
42899471,7cyclictest4552-21ssh10:31:100
42899453,7cyclictest9-21ksoftirqd/013:14:240
106891450,1ptp4l401ktimersoftd/310:53:033
42899444,6cyclictest9-21ksoftirqd/012:48:190
42899443,6cyclictest0-21swapper/011:03:490
265532440,1sleep20-21swapper/210:52:462
42899433,7cyclictest9-21ksoftirqd/011:59:450
42899416,7cyclictest9-21ksoftirqd/011:10:310
42899416,7cyclictest9-21ksoftirqd/010:21:160
42899415,6cyclictest0-21swapper/012:41:000
42899415,6cyclictest0-21swapper/012:40:570
42899415,6cyclictest0-21swapper/012:20:190
42899413,7cyclictest9-21ksoftirqd/012:51:530
42899412,7cyclictest9-21ksoftirqd/011:46:250
42899412,6cyclictest9-21ksoftirqd/010:49:490
42899406,7cyclictest9-21ksoftirqd/012:30:510
42899406,7cyclictest9-21ksoftirqd/011:55:080
42899406,7cyclictest9-21ksoftirqd/010:30:550
42899404,7cyclictest9-21ksoftirqd/013:01:450
42899404,7cyclictest9-21ksoftirqd/013:01:450
42899404,6cyclictest0-21swapper/013:46:120
42899403,6cyclictest9-21ksoftirqd/013:18:470
42899403,6cyclictest0-21swapper/013:45:380
42899403,5cyclictest9-21ksoftirqd/011:22:090
42899402,6cyclictest9-21ksoftirqd/011:26:240
106891400,2ptp4l18582-21kworker/3:113:01:133
106891400,2ptp4l18582-21kworker/3:113:01:133
106891400,1ptp4l401ktimersoftd/312:23:043
106891400,1ptp4l401ktimersoftd/312:19:363
42899397,9cyclictest9-21ksoftirqd/010:57:370
42899396,8cyclictest9-21ksoftirqd/013:32:120
42899395,6cyclictest0-21swapper/010:11:080
42899393,6cyclictest9-21ksoftirqd/012:56:560
42899393,6cyclictest9-21ksoftirqd/012:10:290
42899393,6cyclictest9-21ksoftirqd/011:14:070
42899393,5cyclictest9-21ksoftirqd/012:34:140
42899392,6cyclictest9-21ksoftirqd/013:26:170
42899392,6cyclictest9-21ksoftirqd/011:17:240
42899392,5cyclictest9-21ksoftirqd/012:03:460
40152390,2sleep10-21swapper/111:02:521
106891390,1ptp4l401ktimersoftd/313:18:333
106891390,1ptp4l401ktimersoftd/312:33:593
106891390,1ptp4l401ktimersoftd/310:31:053
439993813,21cyclictest28747-21/usr/sbin/munin10:56:112
42899387,7cyclictest9-21ksoftirqd/011:35:570
42899386,7cyclictest9-21ksoftirqd/009:31:050
42899385,8cyclictest9-21ksoftirqd/010:41:080
42899384,6cyclictest9-21ksoftirqd/012:13:150
42899383,6cyclictest9-21ksoftirqd/012:24:580
42899383,4cyclictest9-21ksoftirqd/013:36:220
42899382,6cyclictest9-21ksoftirqd/010:20:550
42899382,6cyclictest9-21ksoftirqd/008:51:220
42899382,5cyclictest9-21ksoftirqd/010:52:000
106891380,1ptp4l401ktimersoftd/312:08:323
106891380,1ptp4l401ktimersoftd/311:22:123
106891380,1ptp4l401ktimersoftd/311:02:423
106891380,1ptp4l401ktimersoftd/310:42:453
106891380,1ptp4l401ktimersoftd/310:28:213
106891380,1ptp4l401ktimersoftd/309:06:113
439993710,24cyclictest12513-21sh13:25:582
42899376,7cyclictest9-21ksoftirqd/009:16:160
42899375,7cyclictest9-21ksoftirqd/013:10:560
42899373,5cyclictest9-21ksoftirqd/011:41:050
106891370,1ptp4l401ktimersoftd/313:50:323
106891370,1ptp4l401ktimersoftd/313:33:253
106891370,1ptp4l401ktimersoftd/313:21:533
106891370,1ptp4l401ktimersoftd/313:10:013
106891370,1ptp4l401ktimersoftd/312:57:563
106891370,1ptp4l401ktimersoftd/312:52:503
106891370,1ptp4l401ktimersoftd/312:50:113
106891370,1ptp4l401ktimersoftd/312:40:323
106891370,1ptp4l401ktimersoftd/312:01:423
106891370,1ptp4l401ktimersoftd/311:41:393
106891370,1ptp4l401ktimersoftd/311:38:063
106891370,1ptp4l401ktimersoftd/311:32:053
106891370,1ptp4l401ktimersoftd/311:14:523
106891370,1ptp4l401ktimersoftd/311:09:003
106891370,1ptp4l401ktimersoftd/310:56:293
439993612,20cyclictest24358-21ls10:16:072
42899366,8cyclictest9-21ksoftirqd/009:26:160
42899365,7cyclictest9-21ksoftirqd/009:51:210
42899364,7cyclictest9-21ksoftirqd/010:05:540
106891360,2ptp4l18582-21kworker/3:112:45:083
106891360,1ptp4l401ktimersoftd/313:26:533
106891360,1ptp4l401ktimersoftd/312:27:243
106891360,1ptp4l401ktimersoftd/310:24:533
43999354,4cyclictest0-21swapper/210:01:052
42899355,8cyclictest9-21ksoftirqd/009:21:150
42899354,7cyclictest9-21ksoftirqd/009:01:140
313612353,19sleep131613-21irqstats08:16:101
203192350,2sleep20-21swapper/212:26:162
106891350,2ptp4l18582-21kworker/3:109:42:223
106891350,2ptp4l18582-21kworker/3:109:42:223
106891350,1ptp4l401ktimersoftd/308:21:213
447993419,8cyclictest401ktimersoftd/311:46:093
43999349,4cyclictest955-21irqrtprio12:06:142
43999349,3cyclictest8004-21sed11:06:252
43999348,9cyclictest8226-21irqrtprio09:41:142
43999348,9cyclictest8226-21irqrtprio09:41:142
43999348,5cyclictest15682-21wc10:41:232
43999341,5cyclictest0-21swapper/210:31:052
439993414,17cyclictest9559-21sh10:36:122
439993411,20cyclictest21477-21cut13:01:142
439993411,20cyclictest21477-21cut13:01:142
439993410,4cyclictest26262-21sh13:39:112
42899345,7cyclictest9-21ksoftirqd/009:41:090
42899345,7cyclictest9-21ksoftirqd/009:41:090
43999339,3cyclictest6453-21fschecks_count08:31:072
43999331,29cyclictest20753-21snmp_o5powerctl10:06:192
439993312,18cyclictest4077-21sh13:50:052
439993312,18cyclictest15768-21sh11:47:492
43999331,10cyclictest0-21swapper/210:26:072
439993310,4cyclictest7016-21gltestperf12:46:152
43499333,17cyclictest8987-21taskset10:36:071
106891330,1ptp4l401ktimersoftd/309:22:533
106891330,0ptp4l401ktimersoftd/309:30:533
43999328,4cyclictest8679-21cstates08:36:042
43999327,4cyclictest4005-21expr08:26:052
43999327,3cyclictest20717-21sed11:20:562
43999326,4cyclictest8878-21if_enp1s0.111:41:152
43999325,5cyclictest13155-21irqrtprio09:51:112
439993217,12cyclictest33-21ksoftirqd/209:10:082
439993212,17cyclictest7790-21sh12:13:052
439993212,17cyclictest20286-21/usr/sbin/munin09:01:152
439993212,16cyclictest23236-21timerandwakeup10:11:222
439993211,3cyclictest30604-21sh13:10:592
439993211,3cyclictest15276-21seq08:50:392
439993210,3cyclictest15168-21which09:56:132
42899324,8cyclictest9-21ksoftirqd/009:46:110
21332320,3sleep2311rcuc/208:21:182
106891320,1ptp4l401ktimersoftd/310:14:283
106891320,1ptp4l401ktimersoftd/309:58:243
106891320,1ptp4l401ktimersoftd/309:04:443
106891320,1ptp4l401ktimersoftd/308:51:133
106891320,1ptp4l401ktimersoftd/308:37:133
44799312,3cyclictest121rcu_preempt10:16:243
43999318,3cyclictest4635-21phc2sys11:36:182
43999318,3cyclictest27921-21ptp4l10:21:152
43999318,3cyclictest27087-21open_inodes13:06:202
43999318,3cyclictest25305-21sh11:25:462
43999317,3cyclictest11217-21cut08:41:072
43999316,4cyclictest11423-21cat09:46:222
43999313,8cyclictest27252-21snmp_o5powerctl11:26:212
439993110,5cyclictest23900-21missed_timers11:56:172
439993110,4cyclictest25276-21cat09:11:062
43999310,12cyclictest14616-21acpi12:21:082
42899316,7cyclictest9-21ksoftirqd/010:10:540
42899314,8cyclictest9-21ksoftirqd/009:36:090
42899314,8cyclictest9-21ksoftirqd/009:36:090
42899314,7cyclictest9-21ksoftirqd/008:30:520
42899314,6cyclictest9-21ksoftirqd/008:41:050
42899314,6cyclictest9-21ksoftirqd/008:21:090
42899312,6cyclictest9-21ksoftirqd/008:46:090
106891310,1ptp4l401ktimersoftd/310:50:003
106891310,1ptp4l401ktimersoftd/309:36:273
106891310,1ptp4l401ktimersoftd/309:36:273
106891310,1ptp4l401ktimersoftd/309:19:423
106891310,0ptp4l401ktimersoftd/313:12:133
43999309,3cyclictest26225-21diskmemload13:41:312
43999306,3cyclictest16299-21cpuspeed_turbos12:56:122
43999306,3cyclictest0-21swapper/211:31:172
43999302,7cyclictest1673-21apt-get12:41:122
439993010,3cyclictest136112sleep213:26:202
106891300,9ptp4l401ktimersoftd/309:54:103
106891300,1ptp4l401ktimersoftd/310:06:153
106891300,1ptp4l401ktimersoftd/309:15:223
106891300,1ptp4l401ktimersoftd/308:59:443
43999298,3cyclictest12942-21timerandwakeup12:51:272
43999297,3cyclictest28768-21mailstats09:16:172
43999296,3cyclictest30916-21uname09:21:132
43999296,3cyclictest19210-21cat10:46:082
43999292,6cyclictest6327-21snmp_o5powerctl09:36:182
43999292,6cyclictest6327-21snmp_o5powerctl09:36:182
43999291,12cyclictest2755-21snmp_o5powerctl11:01:202
434992922,4cyclictest8204-21cron08:35:521
42899294,9cyclictest9-21ksoftirqd/009:11:110
42899293,7cyclictest9-21ksoftirqd/009:56:240
42899291,6cyclictest7551-21sed08:31:180
3302290,5sleep143499cyclictest11:00:031
43999288,3cyclictest321ktimersoftd/212:31:132
43999286,3cyclictest0-21swapper/212:37:202
43999282,5cyclictest1359-21snmp_o5powerctl09:26:192
43999281,13cyclictest11622-21hddtemp_smartct11:11:092
42899281,6cyclictest9-21ksoftirqd/008:56:200
106891270,11ptp4l401ktimersoftd/308:48:273
447992620,3cyclictest41-21ksoftirqd/310:36:133
434992613,10cyclictest23905-21apt10:51:061
434992612,11cyclictest13155-21awk12:51:271
42899265,7cyclictest9-21ksoftirqd/009:06:190
43499255,13cyclictest47050irq/101-ens3-Tx10:21:051
43499253,12cyclictest47050irq/101-ens3-Tx11:26:081
434992519,3cyclictest25-21ksoftirqd/112:06:401
43499250,23cyclictest0-21swapper/113:22:351
428992518,4cyclictest10765-21latency_hist08:40:530
43499242,12cyclictest31534-21ssh10:26:061
434992419,3cyclictest25-21ksoftirqd/110:42:401
434992418,3cyclictest25-21ksoftirqd/109:51:421
434992418,3cyclictest10235-21grep09:46:101
434992417,4cyclictest25-21ksoftirqd/108:27:161
106891240,1ptp4l401ktimersoftd/310:01:063
106891240,1ptp4l401ktimersoftd/309:46:183
106891240,1ptp4l401ktimersoftd/309:34:473
106891240,1ptp4l401ktimersoftd/308:25:563
106891240,0ptp4l401ktimersoftd/308:31:383
439992318,3cyclictest33-21ksoftirqd/209:33:142
439992316,4cyclictest33-21ksoftirqd/208:58:322
439992314,6cyclictest15911-21grep08:51:082
434992317,3cyclictest25-21ksoftirqd/111:21:081
43499231,20cyclictest0-21swapper/112:29:101
43499231,19cyclictest9756-21snmp_o5powerctl11:41:231
43499231,19cyclictest8809-21ssh12:14:521
43499223,10cyclictest29246-21ssh12:36:101
434992217,3cyclictest25-21ksoftirqd/109:22:471
434992217,3cyclictest25-21ksoftirqd/109:13:111
434992217,3cyclictest0-21swapper/110:02:141
434992216,3cyclictest25-21ksoftirqd/110:00:121
434992215,5cyclictest25-21ksoftirqd/110:47:271
434992215,4cyclictest25-21ksoftirqd/110:08:531
43499221,4cyclictest24087-21/usr/sbin/munin10:16:151
43499221,4cyclictest13117-21ssh12:18:551
43499220,3cyclictest121rcu_preempt11:56:151
43499212,16cyclictest27945-21sed09:16:111
434992116,3cyclictest25-21ksoftirqd/111:12:381
434992116,3cyclictest25-21ksoftirqd/108:37:101
434992115,3cyclictest25-21ksoftirqd/113:01:201
434992115,3cyclictest25-21ksoftirqd/113:01:201
434992114,4cyclictest25-21ksoftirqd/108:52:451
434992114,4cyclictest22648-21/usr/sbin/munin09:06:211
434992114,4cyclictest18080-21ls11:51:091
43499211,3cyclictest19914-21ssh13:31:351
434992113,5cyclictest7671-21cron13:20:581
43499211,17cyclictest0-21swapper/109:01:051
434992016,2cyclictest0-21swapper/110:13:591
434992016,2cyclictest0-21swapper/108:24:081
434992015,3cyclictest25-21ksoftirqd/111:08:101
434992014,4cyclictest25-21ksoftirqd/109:28:021
434992014,3cyclictest3287-21sh11:36:001
434992014,3cyclictest24320-21/usr/sbin/munin12:31:151
434992014,3cyclictest16352-21cpuspeed_turbos12:56:121
434992014,3cyclictest14446-21processes08:46:131
43499201,3cyclictest6061-21ssh10:31:381
43499201,3cyclictest30793-21apt-get13:11:101
43499201,3cyclictest28749-21memory12:01:161
43499201,3cyclictest0-21swapper/112:43:021
434992013,4cyclictest6692-21cstates12:46:121
434992013,4cyclictest25-21ksoftirqd/109:43:351
434992013,4cyclictest25-21ksoftirqd/109:43:351
434992013,4cyclictest17501-21sh11:16:221
434992013,4cyclictest15263-21sh12:21:141
43499201,17cyclictest0-21swapper/113:07:071
43499201,17cyclictest0-21swapper/111:35:411
43499201,17cyclictest0-21swapper/109:31:101
434992011,5cyclictest12931-21apt-get13:26:131
434991913,3cyclictest854-21irqrtprio13:46:191
434991913,3cyclictest18614-21if_err_enp1s0.108:56:111
434991912,4cyclictest14532-21mailstats11:46:201
43499190,17cyclictest0-21swapper/108:43:331
434991814,2cyclictest0-21swapper/109:39:581
434991814,2cyclictest0-21swapper/109:39:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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