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2026-05-12 - 08:02
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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 376 highest latencies:
System rackbslot6.osadl.org (updated Tue May 12, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1178721630,4sleep11220699cyclictest21:38:351
1930121530,4sleep31221999cyclictest01:01:483
72421510,4sleep11220699cyclictest01:15:511
1068911060,4ptp4l401ktimersoftd/320:28:503
130692790,2sleep00-21swapper/022:39:520
106891650,1ptp4l401ktimersoftd/301:23:253
120102644,10sleep20-21swapper/220:32:122
12219996154,4cyclictest41-21ksoftirqd/323:13:323
208642600,2sleep20-21swapper/220:48:382
12219996054,3cyclictest41-21ksoftirqd/323:08:353
12219996054,3cyclictest41-21ksoftirqd/323:08:353
262722590,1sleep10-21swapper/101:43:011
12219995953,3cyclictest41-21ksoftirqd/300:48:383
12219995850,4cyclictest41-21ksoftirqd/322:18:333
12219995849,4cyclictest41-21ksoftirqd/321:33:333
12206995842,4cyclictest25-21ksoftirqd/122:58:341
106891580,1ptp4l401ktimersoftd/323:44:323
106891580,1ptp4l401ktimersoftd/323:41:023
84292570,3sleep01220199cyclictest22:35:180
8212570,4sleep3391rcuc/323:01:233
171072560,2sleep20-21swapper/223:52:212
106891550,1ptp4l401ktimersoftd/301:48:363
106891530,0ptp4l401ktimersoftd/322:43:333
106891510,13ptp4l401ktimersoftd/301:06:053
12219995044,3cyclictest41-21ksoftirqd/301:28:383
12219994840,4cyclictest41-21ksoftirqd/322:28:343
12219994839,5cyclictest41-21ksoftirqd/300:08:363
12219994739,5cyclictest41-21ksoftirqd/321:23:323
12219994739,5cyclictest41-21ksoftirqd/321:23:323
12219994739,5cyclictest41-21ksoftirqd/300:33:363
12206994740,3cyclictest25-21ksoftirqd/123:28:341
106891470,2ptp4l14261-21kworker/3:101:44:553
219062450,1sleep10-21swapper/120:48:491
12219994538,4cyclictest41-21ksoftirqd/323:58:283
12219994536,5cyclictest41-21ksoftirqd/300:38:363
106891450,2ptp4l14261-21kworker/3:100:21:123
106891440,1ptp4l401ktimersoftd/322:55:553
12219994234,5cyclictest41-21ksoftirqd/320:33:303
12219994230,6cyclictest41-21ksoftirqd/321:18:323
276902410,2sleep10-21swapper/122:55:031
12219994126,6cyclictest41-21ksoftirqd/300:13:553
106891410,7ptp4l401ktimersoftd/322:40:583
106891410,3ptp4l6689-21kworker/3:022:03:343
106891410,1ptp4l401ktimersoftd/320:38:413
12219994034,3cyclictest41-21ksoftirqd/301:53:513
12219994029,3cyclictest41-21ksoftirqd/300:25:003
12201994033,4cyclictest20927-21cron21:58:210
106891400,1ptp4l401ktimersoftd/322:35:283
12219993927,6cyclictest41-21ksoftirqd/321:13:323
106891390,1ptp4l401ktimersoftd/323:30:373
106891390,1ptp4l401ktimersoftd/301:59:403
12219993828,5cyclictest41-21ksoftirqd/300:03:363
12219993820,9cyclictest41-21ksoftirqd/300:43:503
12219993814,4cyclictest41-21ksoftirqd/301:33:383
106891380,1ptp4l401ktimersoftd/323:54:253
106891380,1ptp4l401ktimersoftd/323:19:383
106891380,1ptp4l401ktimersoftd/323:06:213
106891380,1ptp4l401ktimersoftd/323:06:213
106891380,1ptp4l401ktimersoftd/322:49:413
106891380,1ptp4l401ktimersoftd/301:12:333
106891380,1ptp4l401ktimersoftd/300:32:143
12219993714,4cyclictest41-21ksoftirqd/323:33:373
106891370,1ptp4l401ktimersoftd/323:50:083
106891370,1ptp4l401ktimersoftd/323:24:503
106891370,1ptp4l401ktimersoftd/321:38:493
106891370,1ptp4l401ktimersoftd/301:26:083
106891370,1ptp4l401ktimersoftd/300:56:123
106891370,1ptp4l401ktimersoftd/300:56:123
12219993629,4cyclictest41-21ksoftirqd/322:18:223
12219993614,7cyclictest41-21ksoftirqd/301:38:473
12206993627,4cyclictest25-21ksoftirqd/100:28:371
106891360,1ptp4l401ktimersoftd/301:16:583
12219993513,4cyclictest41-21ksoftirqd/321:08:393
12219993428,3cyclictest41-21ksoftirqd/320:58:193
12219993411,3cyclictest41-21ksoftirqd/321:58:453
1221999330,6cyclictest121rcu_preempt21:08:193
12206993326,4cyclictest25-21ksoftirqd/122:38:351
106891330,1ptp4l401ktimersoftd/321:30:493
106891330,1ptp4l401ktimersoftd/321:30:493
74362320,2sleep20-21swapper/221:28:362
74362320,2sleep20-21swapper/221:28:362
12210993227,3cyclictest33-21ksoftirqd/201:43:402
12210993227,3cyclictest33-21ksoftirqd/200:23:232
12210993225,4cyclictest33-21ksoftirqd/201:33:362
106891320,1ptp4l401ktimersoftd/322:08:413
106891320,1ptp4l401ktimersoftd/321:01:123
106891320,0ptp4l401ktimersoftd/321:48:573
291252310,4sleep229128-21processes00:03:452
12219993126,3cyclictest41-21ksoftirqd/321:58:213
12219993126,3cyclictest41-21ksoftirqd/321:48:203
12219993126,3cyclictest41-21ksoftirqd/320:43:293
12206993126,3cyclictest25-21ksoftirqd/120:48:191
12206993124,4cyclictest25-21ksoftirqd/101:48:441
1220699310,29cyclictest241ktimersoftd/123:05:281
1220699310,29cyclictest241ktimersoftd/123:05:281
112652316,11sleep10-21swapper/120:28:441
106891310,1ptp4l401ktimersoftd/322:24:583
106891310,0ptp4l401ktimersoftd/320:52:503
243852300,2sleep01220199cyclictest22:52:410
12206993025,3cyclictest25-21ksoftirqd/100:23:231
12206993024,3cyclictest25-21ksoftirqd/120:38:201
12206993023,3cyclictest25-21ksoftirqd/101:03:251
12206993020,6cyclictest25-21ksoftirqd/123:33:351
12210992924,3cyclictest33-21ksoftirqd/201:23:262
12210992923,3cyclictest33-21ksoftirqd/221:03:192
12210992922,4cyclictest33-21ksoftirqd/222:38:412
12206992919,5cyclictest25-21ksoftirqd/101:33:371
299992280,2sleep00-21swapper/023:31:510
12210992821,4cyclictest33-21ksoftirqd/223:08:232
12210992821,4cyclictest33-21ksoftirqd/223:08:232
12210992821,4cyclictest33-21ksoftirqd/200:59:202
12210992818,8cyclictest33-21ksoftirqd/222:43:412
12206992822,4cyclictest25-21ksoftirqd/123:57:571
12206992819,3cyclictest25-21ksoftirqd/122:33:491
12206992816,10cyclictest25-21ksoftirqd/100:23:431
12201992823,3cyclictest9-21ksoftirqd/021:03:190
1221099279,16cyclictest33-21ksoftirqd/223:26:052
12210992722,3cyclictest33-21ksoftirqd/200:43:362
12210992721,4cyclictest33-21ksoftirqd/222:33:532
12206992722,3cyclictest25-21ksoftirqd/123:48:451
12206992722,3cyclictest25-21ksoftirqd/122:43:441
12206992722,3cyclictest25-21ksoftirqd/100:53:551
12206992722,3cyclictest25-21ksoftirqd/100:53:551
12206992722,3cyclictest25-21ksoftirqd/100:38:241
12206992721,3cyclictest25-21ksoftirqd/101:43:551
12206992721,3cyclictest25-21ksoftirqd/100:48:441
12206992720,4cyclictest25-21ksoftirqd/121:08:281
12201992721,3cyclictest9-21ksoftirqd/021:13:390
120632275,10sleep00-21swapper/020:32:550
2362722619,3sleep233-21ksoftirqd/200:33:012
12210992621,3cyclictest33-21ksoftirqd/223:28:422
12210992621,3cyclictest33-21ksoftirqd/222:03:392
12210992621,3cyclictest33-21ksoftirqd/201:38:372
12210992620,3cyclictest33-21ksoftirqd/223:36:232
12210992620,3cyclictest33-21ksoftirqd/222:14:432
12210992619,4cyclictest33-21ksoftirqd/220:55:522
12206992621,3cyclictest25-21ksoftirqd/122:18:221
12206992621,3cyclictest25-21ksoftirqd/120:38:201
12206992621,3cyclictest25-21ksoftirqd/101:08:531
12206992621,3cyclictest25-21ksoftirqd/100:13:391
12206992620,3cyclictest25-21ksoftirqd/122:28:411
12206992620,3cyclictest25-21ksoftirqd/100:00:351
1220199265,5cyclictest1055-21runrttasks21:03:470
12201992621,3cyclictest9-21ksoftirqd/020:58:190
12201992620,3cyclictest9-21ksoftirqd/022:15:270
12201992620,3cyclictest9-21ksoftirqd/021:52:310
12201992620,3cyclictest9-21ksoftirqd/020:33:380
12201992619,4cyclictest9-21ksoftirqd/022:06:520
105362260,1sleep20-21swapper/201:26:042
12210992519,4cyclictest33-21ksoftirqd/201:58:262
12210992519,3cyclictest33-21ksoftirqd/221:43:392
12210992518,4cyclictest33-21ksoftirqd/222:53:552
1221099250,4cyclictest0-21swapper/222:52:112
12206992520,3cyclictest25-21ksoftirqd/123:08:441
12206992520,3cyclictest25-21ksoftirqd/123:08:441
12206992520,3cyclictest25-21ksoftirqd/121:28:351
12206992520,3cyclictest25-21ksoftirqd/121:28:351
12206992519,4cyclictest4002-21fschecks_count23:38:381
12206992519,4cyclictest25-21ksoftirqd/121:47:301
12206992519,3cyclictest25-21ksoftirqd/101:33:261
12206992518,4cyclictest558-21munin-run22:23:211
12206992518,4cyclictest25-21ksoftirqd/121:06:351
12201992520,3cyclictest9-21ksoftirqd/023:11:000
12201992520,3cyclictest9-21ksoftirqd/023:11:000
12201992520,3cyclictest9-21ksoftirqd/001:32:030
12201992519,4cyclictest9-21ksoftirqd/000:23:430
12201992519,4cyclictest16196-21cron21:48:200
1221099242,3cyclictest121rcu_preempt23:23:032
12210992419,3cyclictest33-21ksoftirqd/221:23:382
12210992419,3cyclictest33-21ksoftirqd/221:23:382
12210992419,3cyclictest33-21ksoftirqd/200:33:402
12210992418,4cyclictest33-21ksoftirqd/223:58:522
12210992418,3cyclictest33-21ksoftirqd/222:24:322
12210992418,3cyclictest33-21ksoftirqd/221:58:572
12210992418,3cyclictest33-21ksoftirqd/221:08:392
12210992418,3cyclictest33-21ksoftirqd/220:41:572
12210992417,4cyclictest33-21ksoftirqd/222:22:442
12210992412,6cyclictest321ktimersoftd/200:13:392
1220699248,14cyclictest12260-21kworker/1:121:13:421
12206992419,3cyclictest25-21ksoftirqd/122:08:401
12206992419,3cyclictest25-21ksoftirqd/120:58:431
12206992419,3cyclictest25-21ksoftirqd/101:23:441
12206992419,3cyclictest25-21ksoftirqd/101:03:441
12206992419,3cyclictest25-21ksoftirqd/100:38:431
12206992418,3cyclictest614-21fschecks_time00:08:391
12206992418,3cyclictest4587-21fschecks_count01:53:431
12206992418,3cyclictest25-21ksoftirqd/123:23:471
12206992418,3cyclictest25-21ksoftirqd/102:03:261
12206992417,4cyclictest25-21ksoftirqd/122:03:281
12206992417,4cyclictest12434-21grep23:13:361
12201992419,3cyclictest9-21ksoftirqd/023:38:230
12201992419,3cyclictest9-21ksoftirqd/023:18:480
12201992418,3cyclictest9-21ksoftirqd/022:23:300
12201992418,3cyclictest9-21ksoftirqd/022:01:050
12201992417,4cyclictest9-21ksoftirqd/000:39:120
1287922316,3sleep09-21ksoftirqd/023:48:230
1221099237,3cyclictest33-21ksoftirqd/201:49:372
12210992318,3cyclictest33-21ksoftirqd/200:23:432
12210992317,4cyclictest33-21ksoftirqd/221:40:492
12210992317,3cyclictest33-21ksoftirqd/221:35:252
12210992317,3cyclictest33-21ksoftirqd/220:44:552
12210992317,3cyclictest33-21ksoftirqd/220:37:372
12210992316,4cyclictest33-21ksoftirqd/201:12:312
12210992314,5cyclictest16589-21latency_hist23:18:232
1221099231,10cyclictest4152if_enp1s0.121:13:382
12206992317,3cyclictest32277-21sh00:08:241
12206992317,3cyclictest25-21ksoftirqd/121:23:191
12206992316,4cyclictest25-21ksoftirqd/121:49:591
12206992316,4cyclictest25-21ksoftirqd/121:34:171
1220199233,13cyclictest32677-21ssh00:08:350
12201992318,3cyclictest9-21ksoftirqd/022:28:420
12201992318,3cyclictest9-21ksoftirqd/021:25:490
12201992318,3cyclictest9-21ksoftirqd/021:25:490
12201992318,3cyclictest9-21ksoftirqd/000:48:530
12201992317,3cyclictest9-21ksoftirqd/021:22:200
12201992317,3cyclictest9-21ksoftirqd/020:43:090
12201992316,4cyclictest9-21ksoftirqd/022:13:060
12201992316,4cyclictest15911-21grep22:43:390
12210992216,3cyclictest33-21ksoftirqd/221:05:452
12210992215,4cyclictest4313-21sendmail21:23:192
12210992215,4cyclictest30763-21sh00:38:532
12210992214,5cyclictest12395-21ptp4l-jitter00:53:482
12210992214,5cyclictest12395-21ptp4l-jitter00:53:482
12210992214,4cyclictest30053-21cpu22:58:352
12206992217,3cyclictest25-21ksoftirqd/123:20:421
12206992217,3cyclictest25-21ksoftirqd/122:48:411
12206992217,3cyclictest25-21ksoftirqd/122:28:221
12206992216,3cyclictest25-21ksoftirqd/122:01:301
12206992216,3cyclictest25-21ksoftirqd/121:53:391
12206992215,4cyclictest25-21ksoftirqd/121:27:391
12206992215,4cyclictest25-21ksoftirqd/121:27:391
1220199228,11cyclictest4714-21sed01:53:430
12201992217,3cyclictest9-21ksoftirqd/020:49:550
12201992217,3cyclictest9-21ksoftirqd/002:03:260
12201992217,3cyclictest9-21ksoftirqd/001:27:100
12201992217,3cyclictest9-21ksoftirqd/000:30:490
12201992216,4cyclictest9-21ksoftirqd/021:30:430
12201992216,4cyclictest9-21ksoftirqd/021:30:430
12201992216,4cyclictest9-21ksoftirqd/021:09:070
12201992215,4cyclictest9-21ksoftirqd/020:43:580
12201992215,4cyclictest9-21ksoftirqd/001:50:510
1221099214,14cyclictest7116-21ssh23:41:422
12210992116,3cyclictest33-21ksoftirqd/201:03:442
12210992115,3cyclictest33-21ksoftirqd/221:52:432
12210992115,3cyclictest33-21ksoftirqd/201:32:042
12210992113,4cyclictest2073-21uptime00:08:532
12206992116,3cyclictest25-21ksoftirqd/123:43:391
12206992116,3cyclictest25-21ksoftirqd/120:53:361
12206992115,4cyclictest25-21ksoftirqd/101:21:341
12206992114,4cyclictest5910-21latency_hist00:48:241
12201992116,3cyclictest9-21ksoftirqd/023:58:250
12201992116,3cyclictest10659-1kworker/u9:201:03:350
12201992115,3cyclictest9-21ksoftirqd/000:48:240
12201992115,3cyclictest25354-21/usr/sbin/munin01:08:500
12201992114,4cyclictest9-21ksoftirqd/023:13:250
12201992114,4cyclictest5146-21sh23:05:270
12201992114,4cyclictest5146-21sh23:05:270
12201992114,4cyclictest1993-21sh01:18:050
12201992114,4cyclictest11811-21sh00:19:070
12210992014,3cyclictest1760-21sh01:17:412
12210992013,4cyclictest8862-21sh00:50:172
12210992013,4cyclictest47150irq/102-ens3-Tx23:55:032
12210992013,4cyclictest2684-21df23:03:382
12210992013,4cyclictest2684-21df23:03:382
12210992013,4cyclictest19332-21sed21:53:372
12201992015,3cyclictest9-21ksoftirqd/023:48:420
12201992015,3cyclictest9-21ksoftirqd/022:58:410
12201992015,3cyclictest9-21ksoftirqd/001:38:370
12201992015,3cyclictest9-21ksoftirqd/001:38:260
12201992014,3cyclictest9-21ksoftirqd/021:37:440
12201992014,3cyclictest3572-21/usr/sbin/munin23:38:330
12201992014,3cyclictest16066-21sh00:58:380
12201992013,4cyclictest5328-21diskmemload00:34:520
12201992013,4cyclictest11433-21tune2fs00:53:410
12201992013,4cyclictest11433-21tune2fs00:53:410
12210991914,3cyclictest33-21ksoftirqd/222:08:402
1221099191,3cyclictest4606-21snmp_o5powerctl22:28:462
12210991913,3cyclictest8998-21/usr/sbin/munin01:58:442
12210991913,3cyclictest10566-21sh23:44:172
1220199193,3cyclictest9-21ksoftirqd/021:38:510
12201991914,3cyclictest9-21ksoftirqd/001:19:110
12201991914,3cyclictest9-21ksoftirqd/000:03:440
12201991914,3cyclictest18010-21/usr/sbin/munin23:53:440
12201991913,3cyclictest5328-21diskmemload22:58:010
12201991913,3cyclictest5328-21diskmemload01:44:480
12201991913,3cyclictest387-21seq22:21:410
1220199191,16cyclictest21539-21ssh23:23:290
12201991811,4cyclictest6575-21switchtime00:13:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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