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2026-08-12 - 17:33
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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 Wed Aug 12, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
873721700,5sleep12979899cyclictest09:44:431
2848021660,4sleep12979899cyclictest13:43:021
1068911600,5ptp4l401ktimersoftd/309:22:173
1068911600,5ptp4l401ktimersoftd/309:22:173
1415121570,3sleep12979899cyclictest11:04:441
2041721370,5sleep02979299cyclictest11:54:410
106891690,1ptp4l401ktimersoftd/313:50:003
251032640,2sleep32981799cyclictest13:05:103
106891600,1ptp4l401ktimersoftd/312:43:093
106891590,1ptp4l401ktimersoftd/314:01:573
106891590,1ptp4l401ktimersoftd/310:19:423
106891580,1ptp4l401ktimersoftd/314:48:473
106891580,1ptp4l401ktimersoftd/314:48:473
106891580,1ptp4l401ktimersoftd/314:04:483
29798995622,9cyclictest25-21ksoftirqd/114:35:011
226002560,2sleep20-21swapper/211:56:042
106891560,1ptp4l401ktimersoftd/313:32:043
47042540,2sleep10-21swapper/112:11:001
186362540,2sleep20-21swapper/211:14:402
186362540,2sleep20-21swapper/211:14:402
323602530,2sleep30-21swapper/313:46:223
106891530,1ptp4l401ktimersoftd/311:58:203
29798995141,5cyclictest25-21ksoftirqd/110:09:361
29798994923,4cyclictest25-21ksoftirqd/112:44:421
29798994919,7cyclictest25-21ksoftirqd/111:39:421
29798994841,4cyclictest25-21ksoftirqd/111:44:391
29798994828,3cyclictest25-21ksoftirqd/109:54:391
29798994823,4cyclictest25-21ksoftirqd/113:26:391
29798994817,11cyclictest25-21ksoftirqd/112:34:511
295972484,32sleep20-21swapper/209:23:242
295972484,32sleep20-21swapper/209:23:242
2979899476,3cyclictest25-21ksoftirqd/113:09:401
2979899474,3cyclictest121rcu_preempt11:29:311
29798994722,4cyclictest25-21ksoftirqd/112:14:431
29798994634,3cyclictest25-21ksoftirqd/114:19:501
29798994622,3cyclictest25-21ksoftirqd/114:18:541
106891460,2ptp4l10149-21kworker/3:212:44:433
106891460,1ptp4l401ktimersoftd/312:58:223
29798994520,4cyclictest25-21ksoftirqd/111:34:551
29798994518,8cyclictest25-21ksoftirqd/113:54:301
252492450,4sleep325248-21df_inode11:59:423
2979899449,3cyclictest25-21ksoftirqd/114:29:491
29798994422,7cyclictest25-21ksoftirqd/110:29:471
29798994420,4cyclictest25-21ksoftirqd/112:39:461
29798994419,4cyclictest25-21ksoftirqd/111:58:221
29798994418,8cyclictest25-21ksoftirqd/114:44:581
29798994418,8cyclictest25-21ksoftirqd/114:44:581
29798994418,4cyclictest25-21ksoftirqd/112:20:331
29798994415,7cyclictest25-21ksoftirqd/111:59:431
2979899436,7cyclictest25-21ksoftirqd/114:24:551
2979899434,4cyclictest25-21ksoftirqd/109:29:241
29798994319,7cyclictest25-21ksoftirqd/111:24:491
29798994319,4cyclictest25-21ksoftirqd/109:24:241
29798994316,4cyclictest25-21ksoftirqd/114:04:311
2979899430,9cyclictest25-21ksoftirqd/113:14:471
2979899426,4cyclictest25-21ksoftirqd/113:39:301
2979899423,3cyclictest25-21ksoftirqd/113:09:281
29798994219,4cyclictest25-21ksoftirqd/113:31:371
29798994218,4cyclictest25-21ksoftirqd/114:07:061
29798994217,4cyclictest25-21ksoftirqd/114:39:431
29798994215,9cyclictest25-21ksoftirqd/112:04:461
29798994215,9cyclictest25-21ksoftirqd/109:59:551
106891420,1ptp4l401ktimersoftd/309:44:373
2979899417,7cyclictest25-21ksoftirqd/110:24:251
2979899414,4cyclictest25-21ksoftirqd/112:49:471
29798994134,4cyclictest25-21ksoftirqd/109:24:281
29798994119,7cyclictest25-21ksoftirqd/113:54:461
2979899411,8cyclictest25-21ksoftirqd/109:34:431
29798994118,4cyclictest25-21ksoftirqd/111:10:451
2979899411,7cyclictest25-21ksoftirqd/114:09:331
29798994116,4cyclictest25-21ksoftirqd/114:49:481
29798994113,5cyclictest25-21ksoftirqd/110:14:421
29798994113,4cyclictest25-21ksoftirqd/109:54:241
29798994112,10cyclictest25-21ksoftirqd/112:24:551
2979899408,6cyclictest25-21ksoftirqd/110:04:381
2979899404,9cyclictest25-21ksoftirqd/112:59:471
2979899404,9cyclictest25-21ksoftirqd/112:59:471
2979899403,3cyclictest25-21ksoftirqd/110:29:251
29798994016,4cyclictest25-21ksoftirqd/110:44:491
29798994015,4cyclictest25-21ksoftirqd/109:24:231
29798994012,5cyclictest25-21ksoftirqd/110:59:531
106891400,1ptp4l401ktimersoftd/313:38:553
2979899396,7cyclictest25-21ksoftirqd/113:44:411
29798993916,4cyclictest25-21ksoftirqd/111:19:391
106891390,1ptp4l401ktimersoftd/313:16:343
2979899385,7cyclictest25-21ksoftirqd/113:19:441
2979899385,7cyclictest25-21ksoftirqd/112:34:281
2979899385,6cyclictest25-21ksoftirqd/110:44:251
29798993817,3cyclictest25-21ksoftirqd/111:51:581
29798993815,4cyclictest25-21ksoftirqd/110:54:401
29798993814,8cyclictest25-21ksoftirqd/110:39:261
106891380,1ptp4l401ktimersoftd/314:50:253
106891380,1ptp4l401ktimersoftd/314:26:253
106891380,1ptp4l401ktimersoftd/314:19:463
106891380,1ptp4l401ktimersoftd/313:56:553
106891380,1ptp4l401ktimersoftd/312:34:453
106891380,1ptp4l401ktimersoftd/312:27:323
106891380,1ptp4l401ktimersoftd/311:30:153
106891380,1ptp4l401ktimersoftd/310:25:243
55672372,18sleep329782-21cyclictest13:19:453
29798993723,11cyclictest25-21ksoftirqd/112:54:571
29798993714,4cyclictest25-21ksoftirqd/111:19:261
29798993714,4cyclictest25-21ksoftirqd/111:19:261
106891370,1ptp4l401ktimersoftd/313:42:543
106891370,1ptp4l401ktimersoftd/312:12:493
106891370,1ptp4l401ktimersoftd/312:07:163
106891370,1ptp4l401ktimersoftd/311:46:203
106891370,1ptp4l401ktimersoftd/311:42:023
106891370,1ptp4l401ktimersoftd/311:25:503
106891370,0ptp4l401ktimersoftd/314:32:523
106891370,0ptp4l401ktimersoftd/313:25:423
106891370,0ptp4l401ktimersoftd/312:32:173
106891370,0ptp4l401ktimersoftd/312:17:483
106891370,0ptp4l401ktimersoftd/309:54:473
2979899365,3cyclictest25-21ksoftirqd/110:49:381
29798993612,8cyclictest25-21ksoftirqd/109:39:441
106891360,1ptp4l401ktimersoftd/314:42:323
106891360,1ptp4l401ktimersoftd/314:35:403
106891360,1ptp4l401ktimersoftd/314:12:243
106891360,1ptp4l401ktimersoftd/313:10:493
106891360,1ptp4l401ktimersoftd/313:03:183
106891360,1ptp4l401ktimersoftd/313:03:183
106891360,1ptp4l401ktimersoftd/311:37:123
106891360,13ptp4l401ktimersoftd/310:04:353
2967323419,8sleep029718-21dirname09:24:230
2967323419,8sleep029718-21dirname09:24:230
106891340,2ptp4l10149-21kworker/3:212:22:223
106891340,1ptp4l401ktimersoftd/311:53:553
29817993320,6cyclictest41-21ksoftirqd/311:09:373
106891330,1ptp4l401ktimersoftd/314:16:023
305182310,2sleep00-21swapper/012:38:410
106891310,1ptp4l401ktimersoftd/309:37:513
106891310,0ptp4l401ktimersoftd/310:45:163
106891300,0ptp4l401ktimersoftd/311:15:013
106891300,0ptp4l401ktimersoftd/311:15:013
2981799294,20cyclictest0-21swapper/309:39:383
29817992924,3cyclictest41-21ksoftirqd/311:19:443
2980799292,21cyclictest0-21swapper/213:19:402
106891290,1ptp4l401ktimersoftd/312:53:423
106891290,1ptp4l401ktimersoftd/311:04:453
2980799283,3cyclictest121rcu_preempt14:15:162
29807992822,3cyclictest33-21ksoftirqd/213:26:252
29817992720,4cyclictest41-21ksoftirqd/309:24:493
29807992721,3cyclictest33-21ksoftirqd/210:39:442
29807992720,4cyclictest33-21ksoftirqd/211:21:512
29807992720,4cyclictest33-21ksoftirqd/210:08:442
29792992720,4cyclictest9-21ksoftirqd/010:28:340
106891270,1ptp4l401ktimersoftd/310:31:403
106891270,0ptp4l401ktimersoftd/310:38:263
29817992620,3cyclictest41-21ksoftirqd/310:09:373
2980799265,14cyclictest10396-21ssh11:44:402
2980799262,3cyclictest121rcu_preempt13:00:302
2980799262,3cyclictest121rcu_preempt13:00:302
29807992621,3cyclictest33-21ksoftirqd/214:39:302
29807992619,4cyclictest33-21ksoftirqd/214:52:492
29807992619,4cyclictest33-21ksoftirqd/214:49:202
29807992619,4cyclictest33-21ksoftirqd/214:49:202
29792992620,3cyclictest9-21ksoftirqd/010:43:060
106891260,1ptp4l401ktimersoftd/310:14:503
106891260,11ptp4l401ktimersoftd/310:40:063
106891260,10ptp4l401ktimersoftd/311:01:233
29817992518,4cyclictest41-21ksoftirqd/309:51:073
29807992519,3cyclictest33-21ksoftirqd/212:52:372
29807992519,3cyclictest33-21ksoftirqd/209:58:212
29807992518,4cyclictest33-21ksoftirqd/210:56:262
29807992518,4cyclictest33-21ksoftirqd/210:35:142
29807992518,4cyclictest33-21ksoftirqd/210:20:082
29792992519,3cyclictest9-21ksoftirqd/010:56:510
29792992518,4cyclictest9-21ksoftirqd/014:11:120
29792992518,4cyclictest9-21ksoftirqd/011:16:590
29792992518,4cyclictest9-21ksoftirqd/011:16:590
29792992518,4cyclictest9-21ksoftirqd/010:50:180
29792992518,4cyclictest9-21ksoftirqd/009:45:220
2979299251,3cyclictest121rcu_preempt11:36:480
106891250,1ptp4l401ktimersoftd/310:56:113
305652240,5sleep230569-21ptp4l-jitter10:29:482
29817992418,3cyclictest41-21ksoftirqd/310:49:363
2980799243,18cyclictest26014-21ssh13:39:502
29807992418,3cyclictest33-21ksoftirqd/213:04:532
29807992418,3cyclictest33-21ksoftirqd/212:40:442
29807992418,3cyclictest33-21ksoftirqd/212:07:392
29807992418,3cyclictest33-21ksoftirqd/209:38:372
29807992418,3cyclictest33-21ksoftirqd/209:25:412
29807992417,4cyclictest33-21ksoftirqd/214:29:162
29807992417,4cyclictest33-21ksoftirqd/211:11:432
29807992417,4cyclictest33-21ksoftirqd/210:25:022
29807992417,4cyclictest33-21ksoftirqd/210:11:332
29792992420,2cyclictest9-21ksoftirqd/013:04:410
29792992418,3cyclictest9-21ksoftirqd/010:23:270
29792992417,4cyclictest9-21ksoftirqd/013:44:380
29792992417,4cyclictest9-21ksoftirqd/010:10:510
106891240,1ptp4l401ktimersoftd/309:29:473
326082230,4sleep02979299cyclictest09:29:240
2980799233,6cyclictest121rcu_preempt14:40:552
29807992318,3cyclictest33-21ksoftirqd/211:24:512
29807992317,3cyclictest33-21ksoftirqd/214:22:062
29807992316,4cyclictest33-21ksoftirqd/211:06:332
29807992316,4cyclictest33-21ksoftirqd/210:46:542
29807992316,4cyclictest33-21ksoftirqd/209:52:512
29807992316,4cyclictest30230-21cut13:44:462
2979299233,11cyclictest3785-21ssh12:44:380
29792992318,3cyclictest9-21ksoftirqd/009:37:270
29792992317,3cyclictest9-21ksoftirqd/011:19:280
29792992317,3cyclictest9-21ksoftirqd/010:30:340
29792992317,3cyclictest9-21ksoftirqd/010:06:250
29792992317,3cyclictest9-21ksoftirqd/009:57:260
29792992316,4cyclictest2539-21sh14:22:340
201992230,2sleep00-21swapper/013:34:420
106891230,1ptp4l401ktimersoftd/309:59:433
2980799229,10cyclictest3633-21sh12:44:312
29807992216,3cyclictest5251-21latency_hist11:39:272
29807992216,3cyclictest33-21ksoftirqd/214:11:122
29807992216,3cyclictest33-21ksoftirqd/211:50:562
29807992214,4cyclictest13729-21sh12:54:422
2980799221,16cyclictest5612-21apt-get09:39:382
2979299224,15cyclictest29709-21needreboot14:49:510
29792992217,3cyclictest9-21ksoftirqd/013:14:430
29792992216,3cyclictest9-21ksoftirqd/010:35:120
29792992216,3cyclictest9-21ksoftirqd/010:00:390
29792992216,3cyclictest9-21ksoftirqd/009:40:320
29792992215,4cyclictest9-21ksoftirqd/011:13:100
29792992215,4cyclictest22950-21processes12:29:500
29792992215,4cyclictest22727-21diskmemload13:32:090
29792992215,4cyclictest11542-21sh13:24:530
29792992215,4cyclictest10961-21cat11:44:450
76772210,3sleep20-21swapper/213:54:482
305872210,17sleep00-21swapper/014:18:270
2980799217,11cyclictest21138-21needreboot13:34:492
2980799212,16cyclictest11577-21sh12:19:282
29807992115,3cyclictest33-21ksoftirqd/211:01:312
29807992115,3cyclictest33-21ksoftirqd/209:32:112
29807992115,3cyclictest22507-21fschecks_count10:14:422
29807992114,4cyclictest33-21ksoftirqd/209:46:202
29807992114,4cyclictest28902-21sh12:35:542
29807992114,4cyclictest28773-21sh11:29:432
29807992114,4cyclictest1055-21runrttasks11:39:382
29807992113,5cyclictest22051-21cut12:29:442
2980799211,17cyclictest7768-21snmp_o5powerctl10:49:502
2980799210,18cyclictest13585-21rm14:34:302
29792992116,3cyclictest9-21ksoftirqd/009:52:020
29792992115,4cyclictest2174-21/usr/sbin/munin12:09:460
29792992115,3cyclictest9-21ksoftirqd/013:58:070
29792992115,3cyclictest22727-21diskmemload11:32:110
29792992115,3cyclictest18697-21/usr/sbin/munin14:39:520
29792992115,3cyclictest13900-21sh14:00:230
29792992114,4cyclictest4791-21interrupts14:24:500
29792992114,4cyclictest22727-21diskmemload12:23:160
29792992114,4cyclictest1055-21runrttasks12:14:300
178372210,2sleep20-21swapper/212:24:462
29807992014,3cyclictest2589-21sh13:15:322
29807992013,4cyclictest6404-21sh12:13:582
29807992013,4cyclictest5756-21sh13:53:042
2979299203,10cyclictest8973-21ssh14:29:430
29792992015,3cyclictest13738-21sh12:54:420
29792992014,3cyclictest9-21ksoftirqd/014:04:320
29792992014,3cyclictest9-21ksoftirqd/011:02:400
29792992014,3cyclictest9-21ksoftirqd/010:45:350
29792992014,3cyclictest29996-21tr12:04:400
29792992014,3cyclictest22727-21diskmemload13:50:540
29792992014,3cyclictest22727-21diskmemload13:03:200
29792992014,3cyclictest22727-21diskmemload13:03:200
29792992014,3cyclictest22727-21diskmemload11:42:050
29792992014,3cyclictest22727-21diskmemload11:27:450
29792992013,4cyclictest31452-21ls12:39:420
29792992013,4cyclictest18158-21sendmail_mailst12:24:490
29792992013,4cyclictest15058-21open_files14:34:520
29792992012,5cyclictest16321-21missed_timers11:49:470
2979299201,17cyclictest29128-21ssh13:44:100
2980799192,14cyclictest15724-21iwlist13:29:462
29807991913,4cyclictest17935-21sh14:04:532
29807991913,3cyclictest28131-21sh12:02:132
29807991913,3cyclictest15090-21bc09:59:362
29807991913,3cyclictest11672-21sh13:59:332
29807991912,4cyclictest14559-21sh12:21:152
29792991914,3cyclictest9-21ksoftirqd/012:01:120
29792991914,3cyclictest9-21ksoftirqd/010:15:450
29792991913,3cyclictest9-21ksoftirqd/011:06:110
29792991913,3cyclictest32189-21seq09:27:590
29792991913,3cyclictest22727-21diskmemload14:44:380
29792991913,3cyclictest22727-21diskmemload14:44:380
29792991913,3cyclictest22727-21diskmemload12:51:580
29792991912,4cyclictest31788-21sh13:13:240
2979299191,15cyclictest6963-21grep13:19:570
29807991812,3cyclictest29408-21sh13:09:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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