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2026-05-08 - 12:23
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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 all highest latencies:
System rackbslot6.osadl.org (updated Fri May 08, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
844521690,4sleep1756099cyclictest23:44:131
106891980,4ptp4l401ktimersoftd/320:29:493
106891720,1ptp4l401ktimersoftd/300:06:403
106891700,1ptp4l401ktimersoftd/323:35:163
106891660,1ptp4l401ktimersoftd/321:11:253
273792620,2sleep00-21swapper/023:31:070
106891600,1ptp4l401ktimersoftd/300:51:513
182772590,2sleep30-21swapper/321:56:353
91652580,2sleep20-21swapper/201:56:392
239482580,2sleep00-21swapper/001:39:310
106891580,1ptp4l401ktimersoftd/323:56:393
106891580,1ptp4l401ktimersoftd/322:42:573
106891570,1ptp4l401ktimersoftd/301:02:153
131852560,4sleep3757499cyclictest23:16:213
106891510,2ptp4l14087-21kworker/3:201:55:323
106891490,1ptp4l401ktimersoftd/301:42:053
106891480,1ptp4l401ktimersoftd/301:18:193
106891450,2ptp4l6683-21kworker/3:022:40:373
106891430,2ptp4l14087-21kworker/3:201:30:433
106891430,2ptp4l14087-21kworker/3:201:30:433
106891410,4ptp4l401ktimersoftd/323:07:133
106891410,1ptp4l401ktimersoftd/321:46:203
683824015,12sleep233-21ksoftirqd/220:26:362
106891400,1ptp4l401ktimersoftd/323:01:513
106891380,1ptp4l401ktimersoftd/323:40:103
106891380,1ptp4l401ktimersoftd/322:56:153
106891380,1ptp4l401ktimersoftd/301:06:263
106891380,1ptp4l401ktimersoftd/300:50:243
106891380,1ptp4l401ktimersoftd/300:33:483
106891380,1ptp4l401ktimersoftd/300:26:173
106891380,1ptp4l401ktimersoftd/300:16:263
106891380,0ptp4l401ktimersoftd/321:26:313
106891370,3ptp4l6683-21kworker/3:021:16:323
106891370,1ptp4l401ktimersoftd/323:54:113
106891370,1ptp4l401ktimersoftd/323:28:333
106891370,1ptp4l401ktimersoftd/323:25:573
106891370,1ptp4l401ktimersoftd/323:13:173
106891370,1ptp4l401ktimersoftd/321:41:473
106891370,1ptp4l401ktimersoftd/301:57:193
106891370,1ptp4l401ktimersoftd/301:33:023
106891370,1ptp4l401ktimersoftd/301:00:583
106891370,1ptp4l401ktimersoftd/300:41:203
106891370,1ptp4l401ktimersoftd/300:39:243
106891370,1ptp4l401ktimersoftd/300:03:283
7555993630,4cyclictest7566-21ls20:31:060
106891360,5ptp4l401ktimersoftd/322:51:183
106891360,1ptp4l401ktimersoftd/321:51:263
106891360,1ptp4l401ktimersoftd/301:25:313
106891360,1ptp4l401ktimersoftd/301:11:493
106891360,0ptp4l401ktimersoftd/300:12:103
106891350,2ptp4l6683-21kworker/3:023:46:503
106891350,2ptp4l6683-21kworker/3:023:46:503
106891350,2ptp4l6683-21kworker/3:023:45:453
106891350,2ptp4l6683-21kworker/3:021:33:353
106891350,1ptp4l401ktimersoftd/301:50:223
58202346,14sleep10-21swapper/120:26:231
106891340,1ptp4l401ktimersoftd/321:01:213
106891330,1ptp4l401ktimersoftd/322:03:293
106891330,1ptp4l401ktimersoftd/322:03:293
106891330,1ptp4l401ktimersoftd/321:40:583
7568993217,5cyclictest33-21ksoftirqd/222:39:222
106891320,1ptp4l401ktimersoftd/322:15:293
106891320,1ptp4l401ktimersoftd/321:06:193
106891320,1ptp4l401ktimersoftd/320:41:383
106891320,0ptp4l401ktimersoftd/321:21:343
106891320,0ptp4l401ktimersoftd/300:21:343
7560993113,15cyclictest20256-21basename23:56:291
106891310,0ptp4l401ktimersoftd/322:35:353
106891310,0ptp4l401ktimersoftd/322:06:453
106891310,0ptp4l401ktimersoftd/301:36:573
7568992922,4cyclictest33-21ksoftirqd/200:54:122
7568992912,14cyclictest11913-21sh00:21:192
7560992922,4cyclictest25-21ksoftirqd/101:21:351
7555992912,5cyclictest9-21ksoftirqd/000:25:110
7574992823,3cyclictest41-21ksoftirqd/320:36:083
7568992821,4cyclictest33-21ksoftirqd/221:19:042
7560992822,3cyclictest25-21ksoftirqd/121:01:071
7560992821,4cyclictest25-21ksoftirqd/121:32:571
755599289,8cyclictest9-21ksoftirqd/023:14:130
106891280,0ptp4l401ktimersoftd/322:24:523
7574992720,4cyclictest41-21ksoftirqd/320:50:473
7568992721,3cyclictest33-21ksoftirqd/220:47:262
7568992720,4cyclictest33-21ksoftirqd/222:03:532
7568992720,4cyclictest33-21ksoftirqd/222:03:532
756899270,3cyclictest121rcu_preempt23:14:132
7560992722,3cyclictest25-21ksoftirqd/100:30:261
7560992721,3cyclictest25-21ksoftirqd/123:51:281
7560992721,3cyclictest25-21ksoftirqd/100:56:311
7560992720,4cyclictest25-21ksoftirqd/101:41:391
755599271,4cyclictest2641-21apt-get01:51:240
106891270,1ptp4l401ktimersoftd/320:55:053
7568992620,4cyclictest33-21ksoftirqd/221:35:062
7568992620,4cyclictest33-21ksoftirqd/221:21:182
7568992620,3cyclictest33-21ksoftirqd/223:43:382
7568992620,3cyclictest33-21ksoftirqd/223:39:322
7568992620,3cyclictest33-21ksoftirqd/221:15:372
7568992619,4cyclictest33-21ksoftirqd/222:07:382
7568992619,4cyclictest33-21ksoftirqd/201:20:462
7560992621,3cyclictest25-21ksoftirqd/122:41:091
7560992619,4cyclictest25-21ksoftirqd/121:36:201
7560992619,4cyclictest25-21ksoftirqd/121:16:141
7560992619,4cyclictest25-21ksoftirqd/121:11:071
7560992618,6cyclictest25-21ksoftirqd/101:56:221
7555992621,3cyclictest9-21ksoftirqd/023:06:230
7555992621,3cyclictest9-21ksoftirqd/022:01:080
7555992620,3cyclictest9-21ksoftirqd/022:30:480
7555992610,7cyclictest9-21ksoftirqd/022:37:110
106891260,11ptp4l401ktimersoftd/320:56:473
7568992520,3cyclictest33-21ksoftirqd/223:31:492
7568992519,3cyclictest33-21ksoftirqd/223:29:322
7568992519,3cyclictest33-21ksoftirqd/222:54:402
7568992519,3cyclictest33-21ksoftirqd/222:47:252
7568992519,3cyclictest33-21ksoftirqd/201:03:432
7568992518,4cyclictest33-21ksoftirqd/222:16:132
7568992518,4cyclictest33-21ksoftirqd/201:28:012
7568992518,4cyclictest33-21ksoftirqd/201:28:012
7568992518,4cyclictest13831-21ssh23:50:072
7568992518,4cyclictest13831-21ssh23:50:072
756099252,16cyclictest26616-21ssh00:36:241
7560992519,3cyclictest25-21ksoftirqd/101:56:101
7560992519,3cyclictest25-21ksoftirqd/100:06:111
7560992518,4cyclictest25-21ksoftirqd/122:28:251
7560992518,4cyclictest25-21ksoftirqd/122:24:111
7560992512,6cyclictest241ktimersoftd/121:51:201
7555992518,4cyclictest9-21ksoftirqd/022:17:040
7555992518,4cyclictest9-21ksoftirqd/020:50:280
308972250,4sleep0755599cyclictest01:12:450
106891250,1ptp4l401ktimersoftd/322:46:303
7574992418,3cyclictest41-21ksoftirqd/322:29:523
7568992418,3cyclictest33-21ksoftirqd/223:54:262
7568992418,3cyclictest33-21ksoftirqd/221:44:042
7568992418,3cyclictest33-21ksoftirqd/221:08:452
7568992417,4cyclictest33-21ksoftirqd/222:28:502
7568992417,4cyclictest33-21ksoftirqd/221:29:362
7568992411,10cyclictest10023-21sh00:18:502
7560992419,3cyclictest25-21ksoftirqd/123:21:251
7560992418,4cyclictest25-21ksoftirqd/121:16:071
7560992418,3cyclictest25-21ksoftirqd/122:11:351
7560992417,4cyclictest25-21ksoftirqd/120:48:521
7560992417,4cyclictest25-21ksoftirqd/120:34:031
7560992416,5cyclictest47050irq/101-ens3-Tx00:06:151
106891240,1ptp4l401ktimersoftd/322:16:223
106891240,1ptp4l401ktimersoftd/320:31:243
7568992318,3cyclictest33-21ksoftirqd/200:41:282
7568992317,3cyclictest33-21ksoftirqd/221:38:362
7568992316,4cyclictest33-21ksoftirqd/221:54:132
756099233,3cyclictest121rcu_preempt23:19:111
7560992317,4cyclictest25-21ksoftirqd/101:36:261
7560992317,3cyclictest25-21ksoftirqd/121:23:311
7560992317,3cyclictest25-21ksoftirqd/101:11:391
7560992315,4cyclictest47050irq/101-ens3-Tx23:36:241
756099230,2cyclictest121rcu_preempt00:31:501
7555992318,3cyclictest9-21ksoftirqd/023:46:220
7555992318,3cyclictest9-21ksoftirqd/023:46:220
7555992318,3cyclictest9-21ksoftirqd/023:41:260
7555992318,3cyclictest9-21ksoftirqd/022:08:370
7555992318,3cyclictest9-21ksoftirqd/021:18:420
7555992317,3cyclictest9-21ksoftirqd/020:45:380
7555992316,4cyclictest9-21ksoftirqd/021:23:040
7555992316,4cyclictest2545-21ssh22:31:310
755599231,5cyclictest24744-21ssh00:33:400
327202232,8sleep233-21ksoftirqd/201:47:532
756899224,10cyclictest20494-21apt-get01:36:252
756899223,14cyclictest3500-21apt-get23:06:232
7568992216,3cyclictest33-21ksoftirqd/222:34:322
7568992216,3cyclictest33-21ksoftirqd/221:47:182
7568992215,4cyclictest33-21ksoftirqd/220:35:122
7568992215,4cyclictest17282-21grep21:56:232
7568992215,4cyclictest12806-21head22:41:382
7568992213,6cyclictest15604-21sed00:56:412
7560992217,3cyclictest25-21ksoftirqd/101:06:361
7560992217,3cyclictest25-21ksoftirqd/101:03:281
7560992216,3cyclictest2910-21kworker/1:000:51:131
7560992216,3cyclictest25-21ksoftirqd/123:04:421
7560992216,3cyclictest25-21ksoftirqd/121:28:071
7560992215,4cyclictest25-21ksoftirqd/121:57:011
7560992215,4cyclictest25-21ksoftirqd/101:47:391
7555992217,3cyclictest9-21ksoftirqd/021:02:200
7555992216,3cyclictest9-21ksoftirqd/023:40:590
7555992216,3cyclictest9-21ksoftirqd/022:04:070
7555992216,3cyclictest9-21ksoftirqd/022:04:070
7555992216,3cyclictest9-21ksoftirqd/000:17:240
755599221,4cyclictest3507-21snmp_o5powerctl00:11:360
755599221,4cyclictest25901-21ssh01:07:270
755599221,2cyclictest0-21swapper/022:50:220
162332220,2sleep20-21swapper/223:18:412
756899218,3cyclictest326122rm01:15:452
7568992115,3cyclictest33-21ksoftirqd/221:04:192
7568992114,4cyclictest506-21sh23:02:082
7568992114,4cyclictest4742-21sh01:52:092
7568992114,4cyclictest33-21ksoftirqd/220:42:392
7568992114,4cyclictest33-21ksoftirqd/220:36:252
7568992114,4cyclictest33-21ksoftirqd/200:49:582
7568992114,4cyclictest30572-21cut23:01:102
7568992114,4cyclictest27282-21sh00:03:112
7568992114,4cyclictest25578-21sh00:35:072
7568992110,5cyclictest0-21swapper/200:06:222
756099213,16cyclictest0-21swapper/122:51:401
7560992116,3cyclictest25-21ksoftirqd/123:27:571
7560992116,3cyclictest25-21ksoftirqd/122:46:281
7560992116,3cyclictest25-21ksoftirqd/122:31:241
7560992116,3cyclictest25-21ksoftirqd/120:41:061
7560992114,4cyclictest25-21ksoftirqd/120:44:391
7560992114,4cyclictest25-21ksoftirqd/100:53:191
7560992114,4cyclictest23645-21sh22:11:081
7560992114,4cyclictest2080-21sh00:11:241
7560992114,4cyclictest11840-21tail01:26:331
7560992114,4cyclictest11840-21tail01:26:331
7560992114,4cyclictest10200-21gltestperf21:41:231
7560992113,5cyclictest28863-21load23:31:311
7560992113,5cyclictest28377-21sendmail22:21:081
7555992116,3cyclictest9-21ksoftirqd/021:34:200
7555992115,4cyclictest3856-21/usr/sbin/munin00:46:310
7555992115,3cyclictest9-21ksoftirqd/022:14:390
7555992115,3cyclictest9-21ksoftirqd/021:54:310
7555992115,3cyclictest9-21ksoftirqd/021:47:370
7555992115,3cyclictest9-21ksoftirqd/021:40:340
7555992115,3cyclictest9-21ksoftirqd/020:35:220
7555992114,4cyclictest5686-21/usr/sbin/munin01:21:420
7555992114,4cyclictest32592-21unixbench_multi23:01:400
755599211,3cyclictest28029-21mailstats00:36:350
755599211,18cyclictest0-21swapper/021:11:470
755599211,14cyclictest9049-21sh00:51:250
7568992014,3cyclictest33-21ksoftirqd/223:24:022
7568992014,3cyclictest33-21ksoftirqd/201:32:482
7568992013,4cyclictest6491-21sh00:16:082
7568992013,4cyclictest30244-21sh00:39:472
7568992013,4cyclictest29310-21if_err_enp1s0.122:21:262
7568992013,4cyclictest26295-21sh01:08:112
7568992013,4cyclictest25313-21/usr/sbin/munin01:41:352
7568992013,4cyclictest21414-21irqstats20:56:252
7568992012,5cyclictest7249-21snmp_o5powerctl01:21:412
7568992012,5cyclictest19815-21cpuspeed_turbos23:56:252
7560992015,3cyclictest25-21ksoftirqd/123:46:241
7560992015,3cyclictest25-21ksoftirqd/123:46:241
7560992015,3cyclictest25-21ksoftirqd/123:11:341
7560992015,3cyclictest25-21ksoftirqd/100:41:321
7560992014,3cyclictest3685-21cat23:06:241
7560992014,3cyclictest25-21ksoftirqd/121:46:091
7560992014,3cyclictest20293-21cat01:36:131
7560992014,3cyclictest19147-21/usr/sbin/munin22:01:251
7560992014,3cyclictest19147-21/usr/sbin/munin22:01:251
7560992014,3cyclictest13031-21sh22:41:581
7560992013,4cyclictest11857-21sh00:21:141
756099201,16cyclictest5081-21rm01:20:471
7555992015,3cyclictest9-21ksoftirqd/020:56:060
7555992015,3cyclictest9-21ksoftirqd/001:58:140
7555992014,4cyclictest9-21ksoftirqd/021:08:020
7555992014,3cyclictest9-21ksoftirqd/021:26:550
7555992014,3cyclictest31424-21/usr/sbin/munin00:41:410
7555992014,3cyclictest20457-21/usr/sbin/munin20:56:240
755599201,3cyclictest26017-21snmp_o5powerctl00:01:350
7555992013,4cyclictest707-21diskmemload00:58:200
7555992013,4cyclictest46950irq/100-ens3-Tx23:51:240
7555992013,4cyclictest26511-21grep01:41:370
7555992013,4cyclictest18110-21cpu23:21:220
7555992013,4cyclictest15554-21/usr/sbin/munin01:31:430
7555992013,4cyclictest1055-21runrttasks00:27:430
755599201,2cyclictest0-21swapper/023:31:310
755599201,2cyclictest0-21swapper/021:45:400
755599201,17cyclictest0-21swapper/001:49:540
755599200,3cyclictest13082-21ssh22:42:040
7568991913,3cyclictest24974-21cat22:11:292
7568991913,3cyclictest18804-21cat20:51:252
7568991913,3cyclictest17978-21ls00:26:322
756099197,9cyclictest0-21swapper/100:19:561
7560991913,3cyclictest25965-21seq22:56:221
7560991913,3cyclictest25-21ksoftirqd/121:03:121
755599191,5cyclictest19700-21ssh01:01:310
7555991913,3cyclictest707-21diskmemload01:30:150
7555991913,3cyclictest707-21diskmemload01:30:150
7555991913,3cyclictest28624-21/usr/sbin/munin22:21:190
7555991913,3cyclictest26114-21ls22:56:230
7555991913,3cyclictest14521-21ptp4l23:16:320
7555991913,3cyclictest12085-21cat20:36:290
7555991913,3cyclictest1055-21runrttasks23:56:490
755599191,2cyclictest0-21swapper/001:16:290
7555991912,4cyclictest29702-21wc00:06:240
7560991811,4cyclictest18714-21if_enp1s0.120:51:241
7555991813,3cyclictest21314-21sh22:51:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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