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2026-04-29 - 06:28
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 all highest latencies:
System rackbslot6.osadl.org (updated Wed Apr 29, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2656421670,3sleep02846699cyclictest23:36:280
994321570,3sleep32848799cyclictest23:51:413
1068911200,8ptp4l22855-21kworker/3:320:25:303
106891850,1ptp4l401ktimersoftd/321:59:593
209052830,3sleep12847399cyclictest01:09:441
106891810,10ptp4l401ktimersoftd/323:11:343
106891770,1ptp4l401ktimersoftd/320:26:253
106891770,1ptp4l401ktimersoftd/320:26:253
106891720,1ptp4l401ktimersoftd/323:44:303
106891710,1ptp4l401ktimersoftd/323:28:133
106891700,1ptp4l401ktimersoftd/322:38:353
106891690,1ptp4l401ktimersoftd/301:51:043
106891680,1ptp4l401ktimersoftd/323:20:253
106891650,1ptp4l401ktimersoftd/323:34:553
106891640,1ptp4l401ktimersoftd/300:06:233
106891640,1ptp4l401ktimersoftd/300:06:233
75152630,4sleep3391rcuc/300:56:293
106891620,1ptp4l401ktimersoftd/323:39:503
262282614,10sleep10-21swapper/120:21:161
106891610,1ptp4l401ktimersoftd/300:35:553
282212604,10sleep20-21swapper/220:24:202
281152594,43sleep00-21swapper/020:22:560
5912570,2sleep00-21swapper/023:42:060
113342540,2sleep00-21swapper/001:31:430
106891530,2ptp4l2472-21kworker/3:201:52:543
106891530,1ptp4l401ktimersoftd/301:33:333
106891480,14ptp4l2472-21kworker/3:201:39:483
106891470,0ptp4l401ktimersoftd/300:13:323
2848199465,7cyclictest20627-21idleruntime00:36:282
28481994616,7cyclictest33-21ksoftirqd/200:31:352
28481994611,5cyclictest33-21ksoftirqd/220:33:372
28481994611,5cyclictest33-21ksoftirqd/220:33:372
106891460,2ptp4l23066-21kworker/3:122:11:473
106891460,1ptp4l401ktimersoftd/323:50:283
2848199447,33cyclictest25576-21cat21:26:092
106891440,1ptp4l401ktimersoftd/322:32:453
2848199430,12cyclictest13913-21ssh22:51:152
2848199427,5cyclictest33-21ksoftirqd/201:15:442
106891420,1ptp4l401ktimersoftd/301:05:173
28481994114,10cyclictest33-21ksoftirqd/201:31:532
106891410,1ptp4l401ktimersoftd/320:36:313
106891410,0ptp4l401ktimersoftd/300:42:333
2848199405,5cyclictest33-21ksoftirqd/221:41:542
2848199402,6cyclictest26474-21ssh23:02:352
2848199397,4cyclictest33-21ksoftirqd/222:49:232
2848199394,5cyclictest33-21ksoftirqd/200:42:042
2848199390,6cyclictest33-21ksoftirqd/200:00:232
106891390,2ptp4l23066-21kworker/3:100:18:283
106891390,1ptp4l401ktimersoftd/323:24:223
106891390,1ptp4l401ktimersoftd/301:15:483
106891390,0ptp4l401ktimersoftd/323:03:043
2848199384,5cyclictest33-21ksoftirqd/223:54:042
28481993817,9cyclictest33-21ksoftirqd/221:06:312
106891380,1ptp4l401ktimersoftd/323:08:003
106891380,1ptp4l401ktimersoftd/322:59:373
106891380,1ptp4l401ktimersoftd/322:28:143
106891380,1ptp4l401ktimersoftd/301:28:423
106891380,1ptp4l401ktimersoftd/301:22:073
106891380,1ptp4l401ktimersoftd/301:17:383
106891380,1ptp4l401ktimersoftd/301:06:273
2848199378,6cyclictest33-21ksoftirqd/221:16:252
2848199375,5cyclictest33-21ksoftirqd/222:28:342
2848199375,5cyclictest33-21ksoftirqd/200:26:582
2848199374,6cyclictest33-21ksoftirqd/223:37:482
2848199374,6cyclictest33-21ksoftirqd/200:59:062
28481993716,7cyclictest33-21ksoftirqd/222:56:122
28481993711,6cyclictest33-21ksoftirqd/200:21:212
28473993730,4cyclictest3773-21cron20:41:071
106891370,1ptp4l401ktimersoftd/322:51:313
106891370,1ptp4l401ktimersoftd/300:21:213
106891370,1ptp4l401ktimersoftd/300:03:273
106891370,1ptp4l401ktimersoftd/300:03:273
2848799365,19cyclictest4271-21ssh22:41:233
2848199367,6cyclictest33-21ksoftirqd/222:16:382
2848199365,5cyclictest33-21ksoftirqd/201:38:132
2848199365,5cyclictest33-21ksoftirqd/200:55:392
2848199365,5cyclictest33-21ksoftirqd/200:04:332
2848199365,5cyclictest33-21ksoftirqd/200:04:332
2848199364,6cyclictest33-21ksoftirqd/222:35:452
2848199364,5cyclictest33-21ksoftirqd/223:47:262
2848199364,5cyclictest33-21ksoftirqd/223:24:392
2848199364,5cyclictest33-21ksoftirqd/223:13:272
2848199364,5cyclictest33-21ksoftirqd/201:30:282
2848199364,5cyclictest33-21ksoftirqd/200:12:272
2848199363,5cyclictest33-21ksoftirqd/223:17:482
28481993617,10cyclictest33-21ksoftirqd/201:06:292
106891360,12ptp4l401ktimersoftd/301:42:503
106891360,0ptp4l401ktimersoftd/300:00:043
98392350,2sleep00-21swapper/000:26:110
2848199355,5cyclictest33-21ksoftirqd/223:31:162
2848199355,5cyclictest33-21ksoftirqd/223:28:032
2848199355,5cyclictest33-21ksoftirqd/201:24:012
2848199355,5cyclictest33-21ksoftirqd/201:20:432
2848199355,5cyclictest33-21ksoftirqd/200:07:082
2848199355,5cyclictest33-21ksoftirqd/200:07:082
2848199354,5cyclictest33-21ksoftirqd/201:52:022
2848199353,5cyclictest33-21ksoftirqd/222:38:542
28481993517,8cyclictest33-21ksoftirqd/222:41:252
144562350,2sleep00-21swapper/023:23:510
106891350,1ptp4l401ktimersoftd/322:16:253
106891350,1ptp4l401ktimersoftd/321:51:243
106891350,0ptp4l401ktimersoftd/322:47:393
106891350,0ptp4l401ktimersoftd/321:51:093
106891350,0ptp4l401ktimersoftd/320:31:183
106891350,0ptp4l401ktimersoftd/320:31:183
2848199346,6cyclictest33-21ksoftirqd/201:46:292
2848199346,5cyclictest33-21ksoftirqd/201:01:162
2848199345,5cyclictest33-21ksoftirqd/200:19:092
2848199344,5cyclictest33-21ksoftirqd/223:07:442
106891340,1ptp4l401ktimersoftd/300:53:593
2848199334,6cyclictest33-21ksoftirqd/201:44:562
2848199333,6cyclictest33-21ksoftirqd/200:47:362
28481993215,7cyclictest33-21ksoftirqd/221:38:092
28481993213,8cyclictest33-21ksoftirqd/223:42:192
106891320,0ptp4l401ktimersoftd/321:33:333
106891320,0ptp4l401ktimersoftd/320:49:523
28481993115,7cyclictest33-21ksoftirqd/220:30:452
28481993115,7cyclictest33-21ksoftirqd/220:30:452
28481993114,8cyclictest33-21ksoftirqd/222:11:302
28481993112,7cyclictest33-21ksoftirqd/221:46:372
106891310,1ptp4l401ktimersoftd/322:06:033
106891310,1ptp4l401ktimersoftd/321:40:363
106891310,1ptp4l401ktimersoftd/321:17:443
106891310,1ptp4l401ktimersoftd/321:06:253
106891310,1ptp4l401ktimersoftd/320:58:343
106891310,0ptp4l401ktimersoftd/300:36:393
28481993024,4cyclictest33-21ksoftirqd/220:56:082
28481993014,7cyclictest33-21ksoftirqd/220:41:092
106891300,8ptp4l401ktimersoftd/322:22:333
106891300,8ptp4l401ktimersoftd/322:22:333
106891300,1ptp4l401ktimersoftd/321:25:093
106891300,1ptp4l401ktimersoftd/300:28:163
28481992922,4cyclictest13257-21cron21:01:082
28481992910,7cyclictest33-21ksoftirqd/221:56:382
2847399295,13cyclictest26046-21ssh23:36:231
28466992924,3cyclictest9-21ksoftirqd/000:51:250
106891290,1ptp4l401ktimersoftd/322:09:253
106891290,1ptp4l401ktimersoftd/300:51:003
2848199283,6cyclictest33-21ksoftirqd/222:03:482
2848199282,5cyclictest33-21ksoftirqd/221:51:282
28481992810,9cyclictest33-21ksoftirqd/221:26:222
147012280,2sleep12847399cyclictest00:31:051
106891280,0ptp4l401ktimersoftd/321:29:453
2848199279,5cyclictest33-21ksoftirqd/221:32:342
28481992710,5cyclictest33-21ksoftirqd/221:01:252
2847399274,13cyclictest1484-21ssh23:11:231
106891270,1ptp4l401ktimersoftd/321:15:533
106891270,1ptp4l401ktimersoftd/320:54:063
2848199263,5cyclictest33-21ksoftirqd/220:50:002
2847399262,20cyclictest0-21swapper/123:56:251
28473992620,3cyclictest25-21ksoftirqd/122:44:381
28473992619,4cyclictest16474-21head01:36:441
28473992613,10cyclictest8263-21/usr/sbin/munin23:51:281
28466992620,3cyclictest9-21ksoftirqd/022:01:370
12482260,2sleep00-21swapper/001:55:560
106891260,1ptp4l401ktimersoftd/321:42:183
106891260,0ptp4l401ktimersoftd/320:45:303
2848199258,8cyclictest33-21ksoftirqd/220:36:222
2848199257,6cyclictest33-21ksoftirqd/221:13:332
2848199255,4cyclictest33-21ksoftirqd/222:08:352
2847399259,8cyclictest0-21swapper/122:56:231
2847399253,13cyclictest11340-21ssh23:21:241
28473992520,3cyclictest25-21ksoftirqd/100:46:131
28473992519,3cyclictest25-21ksoftirqd/100:32:061
28473992518,4cyclictest25-21ksoftirqd/122:18:361
28473992518,4cyclictest25-21ksoftirqd/121:41:201
28473992518,4cyclictest25-21ksoftirqd/120:58:511
28473992518,4cyclictest25-21ksoftirqd/120:35:551
28473992518,4cyclictest25-21ksoftirqd/120:35:551
28466992520,3cyclictest9-21ksoftirqd/022:36:270
28466992518,4cyclictest9-21ksoftirqd/021:28:450
106891250,1ptp4l401ktimersoftd/321:05:563
2848199245,5cyclictest33-21ksoftirqd/222:21:312
2848199245,5cyclictest33-21ksoftirqd/222:21:312
28473992419,3cyclictest25-21ksoftirqd/123:26:241
28473992419,3cyclictest25-21ksoftirqd/100:56:271
28473992419,3cyclictest25-21ksoftirqd/100:36:271
28473992418,4cyclictest10471-21ssh23:20:261
28473992418,3cyclictest25-21ksoftirqd/122:02:371
28473992417,3cyclictest25-21ksoftirqd/101:46:431
2847399241,20cyclictest8942-21snmp_o5powerctl21:56:351
28466992419,3cyclictest9-21ksoftirqd/023:33:270
28466992419,3cyclictest9-21ksoftirqd/000:29:480
28466992418,4cyclictest9-21ksoftirqd/021:57:150
28466992418,3cyclictest9-21ksoftirqd/022:19:050
28466992417,4cyclictest9-21ksoftirqd/021:47:200
28473992318,3cyclictest25-21ksoftirqd/123:31:261
28473992318,3cyclictest25-21ksoftirqd/122:50:301
28473992318,3cyclictest25-21ksoftirqd/122:21:241
28473992318,3cyclictest25-21ksoftirqd/122:21:241
28473992318,3cyclictest25-21ksoftirqd/121:46:251
28473992318,3cyclictest25-21ksoftirqd/101:01:411
28473992318,3cyclictest25-21ksoftirqd/100:16:351
28473992317,4cyclictest25-21ksoftirqd/121:21:271
28473992317,3cyclictest25-21ksoftirqd/122:34:141
28473992317,3cyclictest25-21ksoftirqd/121:54:311
28473992317,3cyclictest25-21ksoftirqd/121:04:171
28473992317,3cyclictest25-21ksoftirqd/120:28:161
28473992317,3cyclictest25-21ksoftirqd/120:28:161
28473992310,10cyclictest5962-21needreboot01:26:351
2847399230,3cyclictest121rcu_preempt21:37:361
28466992318,3cyclictest9-21ksoftirqd/001:47:410
28466992317,3cyclictest9-21ksoftirqd/023:14:240
28466992317,3cyclictest9-21ksoftirqd/023:09:380
28466992317,3cyclictest9-21ksoftirqd/021:19:220
28466992317,3cyclictest9-21ksoftirqd/020:54:230
28466992317,3cyclictest9-21ksoftirqd/020:40:480
28466992317,3cyclictest9-21ksoftirqd/020:27:290
28466992317,3cyclictest9-21ksoftirqd/020:27:290
2846699231,11cyclictest56792unixbench_multi20:41:380
2846699230,3cyclictest121rcu_preempt22:56:120
236652230,4sleep09-21ksoftirqd/021:21:220
176492230,19sleep00-21swapper/000:01:060
2847399222,17cyclictest30692-21grep23:06:411
2847399222,10cyclictest29898-21ssh00:46:251
28473992218,3cyclictest25-21ksoftirqd/101:11:401
28473992217,3cyclictest25-21ksoftirqd/123:46:291
28473992217,3cyclictest25-21ksoftirqd/100:01:251
28473992217,3cyclictest25-21ksoftirqd/100:01:251
2847399221,18cyclictest27273-21grep01:16:281
28466992217,3cyclictest9-21ksoftirqd/023:55:230
28466992216,3cyclictest9-21ksoftirqd/022:14:150
28466992216,3cyclictest9-21ksoftirqd/021:34:390
28466992216,3cyclictest9-21ksoftirqd/020:47:020
2846699221,3cyclictest21558-21snmp_o5powerctl00:36:370
2846699221,3cyclictest121rcu_preempt23:46:410
28473992116,3cyclictest25-21ksoftirqd/123:01:231
28473992116,3cyclictest25-21ksoftirqd/121:27:501
28473992116,3cyclictest25-21ksoftirqd/121:06:411
28473992116,3cyclictest25-21ksoftirqd/101:22:491
28473992115,3cyclictest25-21ksoftirqd/121:20:441
28473992115,3cyclictest25-21ksoftirqd/120:41:131
28473992114,4cyclictest20531-2110-uname21:14:501
2847399211,17cyclictest5501-21rm00:53:551
2846699213,12cyclictest26857-21ssh22:31:230
2846699212,11cyclictest16246-21ssh23:26:230
28466992116,3cyclictest9-21ksoftirqd/020:59:120
28466992115,3cyclictest9-21ksoftirqd/000:46:060
28466992114,4cyclictest4187-21/usr/sbin/munin22:41:410
28466992114,4cyclictest20860-21sed21:16:090
2846699210,4cyclictest31526-21timerwakeupswit00:46:420
28473992015,3cyclictest25-21ksoftirqd/122:36:391
28473992014,3cyclictest16383-21sh22:52:291
28473992013,4cyclictest6937-21idleruntime20:46:241
2847399201,16cyclictest31439-21tail23:41:291
28473992011,5cyclictest6450-21missed_timers00:21:331
2847399200,4cyclictest21523-21diskmemload01:51:321
2847399200,17cyclictest24055-21latency00:06:341
2847399200,17cyclictest24055-21latency00:06:341
2846699204,13cyclictest16596-21tail21:06:250
28466992015,3cyclictest9-21ksoftirqd/001:13:040
28466992015,3cyclictest9-21ksoftirqd/000:01:410
28466992015,3cyclictest9-21ksoftirqd/000:01:410
28466992014,4cyclictest19837-21sh01:07:550
28466992013,4cyclictest22138-21wc22:26:250
28466992013,4cyclictest21523-21diskmemload00:09:410
28466992013,4cyclictest21523-21diskmemload00:09:410
28466992013,4cyclictest12260-21/usr/sbin/munin22:06:250
28466992013,4cyclictest12040-21apt-config01:01:140
2846699201,12cyclictest46950irq/100-ens3-Tx01:16:270
50902190,5sleep05093-21latency_hist00:21:130
28473991914,3cyclictest25-21ksoftirqd/122:26:301
28473991913,4cyclictest25-21ksoftirqd/122:15:401
28473991913,3cyclictest29804-21sh00:11:421
28473991912,4cyclictest24271-21date01:46:151
28473991910,5cyclictest10883-21needreboot01:31:361
2846699192,10cyclictest14066-21ssh22:51:220
28466991913,4cyclictest5139-21/usr/sbin/munin21:51:400
28466991913,4cyclictest32176-21tr01:21:280
28466991913,4cyclictest12419-1kworker/u9:101:41:280
28466991913,3cyclictest30468-21/usr/sbin/munin21:36:250
28466991913,3cyclictest21523-21diskmemload01:29:160
28466991912,4cyclictest26897-21sh23:03:180
28466991912,4cyclictest21523-21diskmemload23:17:120
28466991912,4cyclictest21523-21diskmemload22:48:400
28466991912,4cyclictest21523-21diskmemload01:37:530
28466991912,4cyclictest21523-21diskmemload00:11:490
28466991912,4cyclictest12947-21if_enp1s001:01:310
28466991912,4cyclictest1136-21irqrtprio21:41:280
2847399184,8cyclictest8816-21apt-get20:51:221
28473991812,3cyclictest12588-21sh22:06:241
28473991811,4cyclictest28954-21sed21:31:261
2846699181,2cyclictest0-21swapper/000:31:290
28466991812,3cyclictest31981-21expr20:31:210
28466991812,3cyclictest31981-21expr20:31:210
28466991811,4cyclictest20670-21ptp4l22:21:330
28466991811,4cyclictest20670-21ptp4l22:21:330
28466991811,4cyclictest14314-21if_enp1s0.121:01:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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