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2026-08-28 - 19:48
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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 Fri Aug 28, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911830,5ptp4l401ktimersoftd/309:30:453
1068911830,5ptp4l401ktimersoftd/309:30:453
2626121620,5sleep1100799cyclictest11:28:401
2143421500,4sleep2101199cyclictest13:38:502
198792910,3sleep019870-21munin-run11:18:150
128462700,2sleep30-21swapper/313:30:353
21282650,2sleep30-21swapper/310:38:363
13082640,3sleep10-21swapper/110:38:301
167462620,4sleep125-21ksoftirqd/113:33:591
175182600,4sleep0100099cyclictest10:03:320
251902590,3sleep325189-21ps13:43:363
106891590,1ptp4l401ktimersoftd/312:20:073
243442580,2sleep00-21swapper/013:08:400
106891580,1ptp4l401ktimersoftd/312:02:193
33712560,4sleep2101199cyclictest13:20:592
324222560,4sleep332427-21cpuspeed_turbos11:38:303
273342540,6sleep227338-21latency12:38:392
1007995422,8cyclictest25-21ksoftirqd/109:58:431
143291520,3getstats102099cyclictest11:30:303
1007995222,10cyclictest25-21ksoftirqd/115:02:491
1007995222,10cyclictest25-21ksoftirqd/115:02:491
1007995221,9cyclictest25-21ksoftirqd/113:15:451
1007995221,9cyclictest25-21ksoftirqd/113:15:451
1007995122,9cyclictest25-21ksoftirqd/111:56:201
1007995121,9cyclictest25-21ksoftirqd/113:59:291
53832500,2sleep00-21swapper/011:43:330
1007995022,10cyclictest25-21ksoftirqd/114:20:221
1007995021,9cyclictest25-21ksoftirqd/113:41:481
1007995020,9cyclictest25-21ksoftirqd/114:57:321
1007995020,9cyclictest25-21ksoftirqd/114:48:131
1007995020,11cyclictest25-21ksoftirqd/111:41:461
1007994923,7cyclictest25-21ksoftirqd/111:58:411
1007994922,7cyclictest25-21ksoftirqd/110:28:431
1007994921,7cyclictest25-21ksoftirqd/111:48:171
1007994921,11cyclictest25-21ksoftirqd/113:05:461
1007994920,8cyclictest25-21ksoftirqd/114:31:471
1007994920,11cyclictest25-21ksoftirqd/112:16:151
143291480,5getstats102099cyclictest11:05:293
1007994823,9cyclictest25-21ksoftirqd/110:03:421
1007994822,7cyclictest25-21ksoftirqd/113:28:371
1007994822,7cyclictest25-21ksoftirqd/113:24:231
1007994822,7cyclictest25-21ksoftirqd/110:58:271
1007994821,11cyclictest25-21ksoftirqd/114:10:391
1007994820,4cyclictest25-21ksoftirqd/112:56:121
1007994819,9cyclictest25-21ksoftirqd/112:20:221
1007994817,9cyclictest25-21ksoftirqd/112:50:111
1007994720,10cyclictest25-21ksoftirqd/112:38:541
1007994718,9cyclictest25-21ksoftirqd/114:04:261
106891460,1ptp4l401ktimersoftd/314:12:233
100799466,6cyclictest25-21ksoftirqd/114:42:011
1007994623,10cyclictest25-21ksoftirqd/113:08:411
1007994620,7cyclictest25-21ksoftirqd/111:47:241
1007994620,10cyclictest25-21ksoftirqd/113:02:351
1007994619,10cyclictest25-21ksoftirqd/113:55:531
106891450,2ptp4l5903-21kworker/3:213:43:183
106891450,2ptp4l25040-21kworker/3:209:53:553
1007994522,8cyclictest25-21ksoftirqd/111:08:331
1007994522,10cyclictest25-21ksoftirqd/112:23:311
1007994521,4cyclictest25-21ksoftirqd/110:53:321
1007994521,10cyclictest25-21ksoftirqd/110:43:281
1007994520,7cyclictest25-21ksoftirqd/114:36:311
1007994519,7cyclictest25-21ksoftirqd/114:28:001
1007994518,10cyclictest25-21ksoftirqd/112:09:041
106891440,2ptp4l24333-21kworker/3:011:24:523
106891440,2ptp4l24333-21kworker/3:011:24:523
106891440,1ptp4l401ktimersoftd/314:03:363
100799444,7cyclictest25-21ksoftirqd/114:18:201
100799443,7cyclictest25-21ksoftirqd/111:33:271
100799443,7cyclictest25-21ksoftirqd/109:43:331
1007994423,9cyclictest25-21ksoftirqd/111:03:321
1007994422,10cyclictest25-21ksoftirqd/112:31:351
1007994317,11cyclictest25-21ksoftirqd/113:43:591
1007994317,10cyclictest25-21ksoftirqd/112:04:151
100799424,6cyclictest25-21ksoftirqd/110:33:431
1007994223,9cyclictest25-21ksoftirqd/111:28:161
1007994223,9cyclictest25-21ksoftirqd/111:28:161
1007994219,9cyclictest25-21ksoftirqd/110:48:351
1007994219,9cyclictest25-21ksoftirqd/109:33:231
100799413,7cyclictest25-21ksoftirqd/111:23:161
100799413,6cyclictest25-21ksoftirqd/110:23:331
1007994114,10cyclictest25-21ksoftirqd/112:46:051
106891400,1ptp4l401ktimersoftd/313:27:243
106891400,1ptp4l401ktimersoftd/311:08:453
106891400,0ptp4l401ktimersoftd/311:53:003
100799404,6cyclictest25-21ksoftirqd/112:33:401
100799401,7cyclictest25-21ksoftirqd/114:50:361
1007994015,9cyclictest25-21ksoftirqd/113:51:111
106891390,1ptp4l401ktimersoftd/314:53:183
106891390,1ptp4l401ktimersoftd/314:30:483
106891390,1ptp4l401ktimersoftd/314:22:503
106891390,16ptp4l401ktimersoftd/312:23:433
1007993921,7cyclictest25-21ksoftirqd/109:48:361
106891380,1ptp4l401ktimersoftd/315:00:013
106891380,1ptp4l401ktimersoftd/315:00:013
106891380,1ptp4l401ktimersoftd/314:57:323
106891380,1ptp4l401ktimersoftd/314:27:273
106891380,1ptp4l401ktimersoftd/314:14:563
106891380,1ptp4l401ktimersoftd/313:57:383
106891380,1ptp4l401ktimersoftd/313:18:493
106891380,1ptp4l401ktimersoftd/313:05:083
106891380,1ptp4l401ktimersoftd/312:42:143
106891380,1ptp4l401ktimersoftd/312:09:453
100799384,7cyclictest25-21ksoftirqd/111:18:161
100799383,6cyclictest25-21ksoftirqd/110:21:191
1007993825,3cyclictest25-21ksoftirqd/113:18:291
106891370,5ptp4l401ktimersoftd/311:58:013
106891370,2ptp4l24333-21kworker/3:012:28:393
106891370,1ptp4l401ktimersoftd/314:48:023
106891370,1ptp4l401ktimersoftd/313:15:013
106891370,1ptp4l401ktimersoftd/313:15:013
106891370,1ptp4l401ktimersoftd/312:49:313
106891370,1ptp4l401ktimersoftd/312:44:003
106891370,1ptp4l401ktimersoftd/312:34:323
106891370,1ptp4l401ktimersoftd/312:16:363
106891370,1ptp4l401ktimersoftd/312:07:383
106891370,1ptp4l401ktimersoftd/311:34:043
106891370,0ptp4l401ktimersoftd/313:48:513
100799372,6cyclictest25-21ksoftirqd/109:38:141
106891360,1ptp4l401ktimersoftd/314:40:363
106891360,1ptp4l401ktimersoftd/314:38:163
106891360,1ptp4l401ktimersoftd/313:12:023
106891360,1ptp4l401ktimersoftd/312:58:233
106891360,1ptp4l401ktimersoftd/310:53:433
1007993620,7cyclictest25-21ksoftirqd/109:53:421
1007993619,9cyclictest25-21ksoftirqd/110:08:361
6922354,20sleep20-21swapper/209:30:382
6922354,20sleep20-21swapper/209:30:382
209582350,5sleep020961-21latency_hist14:13:200
106891350,1ptp4l401ktimersoftd/312:56:113
106891350,0ptp4l401ktimersoftd/313:59:093
106891350,0ptp4l401ktimersoftd/313:36:043
106891330,1ptp4l401ktimersoftd/311:47:173
101199333,4cyclictest121rcu_preempt12:23:412
100799335,9cyclictest25-21ksoftirqd/110:13:251
318112327,12sleep10-21swapper/109:28:311
318112327,12sleep10-21swapper/109:28:311
106891320,1ptp4l401ktimersoftd/310:00:453
5642318,13sleep09-21ksoftirqd/009:29:100
5642318,13sleep09-21ksoftirqd/009:29:100
106891310,1ptp4l401ktimersoftd/310:27:223
106891310,1ptp4l401ktimersoftd/310:17:113
106891310,0ptp4l401ktimersoftd/310:05:343
101199303,3cyclictest121rcu_preempt14:38:332
1011993024,3cyclictest33-21ksoftirqd/210:43:152
313652290,2sleep00-21swapper/013:49:070
157382290,5sleep0100099cyclictest14:07:580
106891290,0ptp4l401ktimersoftd/310:35:093
1011992923,4cyclictest33-21ksoftirqd/213:13:382
1011992923,4cyclictest33-21ksoftirqd/213:13:382
101199288,6cyclictest0-21swapper/212:53:292
1011992821,5cyclictest33-21ksoftirqd/214:08:332
1000992823,3cyclictest9-21ksoftirqd/014:28:410
1000992823,3cyclictest9-21ksoftirqd/014:03:200
1000992823,3cyclictest9-21ksoftirqd/013:28:380
106891270,0ptp4l401ktimersoftd/310:32:323
106891270,0ptp4l401ktimersoftd/309:36:253
1020992720,4cyclictest41-21ksoftirqd/310:50:483
101199275,3cyclictest121rcu_preempt12:18:352
1011992722,3cyclictest33-21ksoftirqd/213:53:402
1011992720,4cyclictest33-21ksoftirqd/211:22:552
100099273,13cyclictest27861-21ssh13:13:310
100099273,13cyclictest27861-21ssh13:13:310
1000992720,4cyclictest9-21ksoftirqd/009:49:510
106891260,1ptp4l401ktimersoftd/311:01:123
106891260,1ptp4l401ktimersoftd/310:13:043
106891260,1ptp4l401ktimersoftd/309:47:593
106891260,0ptp4l401ktimersoftd/311:18:593
1020992619,4cyclictest41-21ksoftirqd/309:49:023
1011992621,3cyclictest33-21ksoftirqd/214:58:322
1011992621,3cyclictest33-21ksoftirqd/214:58:322
1011992621,3cyclictest33-21ksoftirqd/213:03:322
1011992621,3cyclictest33-21ksoftirqd/211:38:352
1011992620,4cyclictest33-21ksoftirqd/213:48:292
1011992619,4cyclictest33-21ksoftirqd/214:55:382
1011992619,4cyclictest33-21ksoftirqd/210:36:502
1000992621,3cyclictest9-21ksoftirqd/013:03:340
1000992621,3cyclictest9-21ksoftirqd/012:33:300
1000992621,3cyclictest9-21ksoftirqd/009:53:150
1000992620,3cyclictest9-21ksoftirqd/010:52:580
1000992619,4cyclictest9-21ksoftirqd/010:20:500
1000992613,10cyclictest28407-21fschecks_time14:53:360
172192250,5sleep233-21ksoftirqd/213:34:482
106891250,0ptp4l401ktimersoftd/310:21:333
1020992518,4cyclictest41-21ksoftirqd/311:15:533
1011992521,3cyclictest33-21ksoftirqd/213:28:372
1011992520,3cyclictest33-21ksoftirqd/209:48:412
1011992519,3cyclictest33-21ksoftirqd/213:01:402
1011992519,3cyclictest33-21ksoftirqd/212:11:292
1011992519,3cyclictest33-21ksoftirqd/211:23:542
1011992519,3cyclictest33-21ksoftirqd/211:23:542
1011992519,3cyclictest33-21ksoftirqd/210:59:562
1011992519,3cyclictest33-21ksoftirqd/210:55:012
1011992519,3cyclictest33-21ksoftirqd/210:46:272
1011992518,4cyclictest5582-21grep13:23:342
1011992518,4cyclictest33-21ksoftirqd/211:56:482
1011992518,4cyclictest33-21ksoftirqd/211:35:282
1011992518,4cyclictest33-21ksoftirqd/210:52:002
1011992518,4cyclictest33-21ksoftirqd/210:19:002
1011992518,4cyclictest33-21ksoftirqd/209:45:242
1011992512,10cyclictest18307-21acpi14:43:322
1000992520,3cyclictest9-21ksoftirqd/011:38:320
1000992518,4cyclictest9-21ksoftirqd/011:22:170
1000992514,8cyclictest6584-21sed12:18:180
6942241,3sleep0738-21diskstats14:58:340
6942241,3sleep0738-21diskstats14:58:340
136952240,1sleep00-21swapper/012:58:330
106891240,1ptp4l401ktimersoftd/310:48:153
106891240,1ptp4l401ktimersoftd/309:38:263
101199244,3cyclictest121rcu_preempt11:59:282
1011992419,3cyclictest33-21ksoftirqd/213:43:382
1011992417,4cyclictest33-21ksoftirqd/209:53:472
1011992416,5cyclictest13719-21irqrtprio11:03:332
1000992419,3cyclictest9-21ksoftirqd/014:48:390
1000992419,3cyclictest9-21ksoftirqd/014:43:360
1000992418,3cyclictest9-21ksoftirqd/010:40:540
1000992418,3cyclictest9-21ksoftirqd/010:37:530
1000992418,3cyclictest9-21ksoftirqd/010:08:320
1000992417,4cyclictest9-21ksoftirqd/009:35:340
1000992415,5cyclictest8447-21ssh12:53:290
101199233,3cyclictest121rcu_preempt12:31:392
1011992318,3cyclictest33-21ksoftirqd/211:48:312
1011992318,3cyclictest33-21ksoftirqd/211:08:322
1011992317,4cyclictest33-21ksoftirqd/213:58:332
1011992317,3cyclictest33-21ksoftirqd/214:19:002
1011992317,3cyclictest33-21ksoftirqd/210:08:152
101199231,6cyclictest26989-21munin-run11:33:162
1011992316,4cyclictest33-21ksoftirqd/211:16:332
1011992316,4cyclictest33-21ksoftirqd/210:28:592
100099232,12cyclictest3628-21ssh12:48:310
100099232,12cyclictest14759-21ssh11:53:260
1000992318,3cyclictest9-21ksoftirqd/011:33:390
1000992318,3cyclictest9-21ksoftirqd/010:13:290
1000992317,3cyclictest9-21ksoftirqd/014:18:390
1000992317,3cyclictest9-21ksoftirqd/013:43:190
1000992317,3cyclictest9-21ksoftirqd/012:08:300
1000992317,3cyclictest9-21ksoftirqd/011:03:520
1000992317,3cyclictest9-21ksoftirqd/010:01:270
1000992316,4cyclictest12462-21irqrtprio12:23:360
101199223,16cyclictest24202-21grep13:08:392
1011992217,3cyclictest33-21ksoftirqd/214:38:202
1011992216,3cyclictest33-21ksoftirqd/210:23:242
1011992215,4cyclictest4937-21ptp4l-jitter12:48:402
1011992213,5cyclictest22108-21interrupts12:33:322
100099224,16cyclictest16805-21wc11:08:440
1000992217,3cyclictest9-21ksoftirqd/010:23:410
1000992217,3cyclictest14340-1kworker/u9:112:31:260
1000992216,3cyclictest9-21ksoftirqd/012:44:510
1000992216,3cyclictest8667-21sed12:18:460
1000992216,3cyclictest26994-21diskmemload12:38:520
1000992216,3cyclictest21345-21/usr/sbin/munin14:13:340
1000992216,3cyclictest16684-21sh14:41:110
1000992215,4cyclictest22806-21df_inode11:23:310
1000992215,4cyclictest22806-21df_inode11:23:310
1000992215,4cyclictest10370-21cron11:03:100
1011992116,3cyclictest33-21ksoftirqd/214:04:482
1011992116,3cyclictest33-21ksoftirqd/209:38:142
1011992115,4cyclictest33-21ksoftirqd/209:33:272
1011992115,3cyclictest27655-21apt14:53:202
1011992114,4cyclictest7597-21sh11:45:262
1011992114,4cyclictest28790-21sh12:07:562
1011992114,4cyclictest1873-21sh12:13:182
1011992114,4cyclictest1230-21sh12:44:522
1011992113,4cyclictest21744-21fschecks_count14:13:382
100099214,10cyclictest0-21swapper/010:28:260
1000992116,3cyclictest9-21ksoftirqd/013:23:350
1000992116,3cyclictest9-21ksoftirqd/010:43:300
1000992116,3cyclictest26567-1kworker/u9:213:21:000
1000992116,3cyclictest1055-21runrttasks13:58:110
1000992115,3cyclictest9-21ksoftirqd/014:33:380
1000992115,3cyclictest9-21ksoftirqd/011:29:000
1000992115,3cyclictest10211-21grep11:48:310
1000992114,4cyclictest9-21ksoftirqd/010:55:510
1000992114,4cyclictest46950irq/100-ens3-Tx14:23:310
1000992113,5cyclictest7092-21expr09:43:270
1011992014,3cyclictest33-21ksoftirqd/214:25:482
1011992014,3cyclictest33-21ksoftirqd/209:59:592
1011992014,3cyclictest16519-21/usr/sbin/munin10:03:282
1011992012,4cyclictest33-21ksoftirqd/214:28:312
1000992015,3cyclictest9-21ksoftirqd/012:03:380
1000992014,3cyclictest9-21ksoftirqd/013:43:350
1000992014,3cyclictest9-21ksoftirqd/012:01:030
1000992014,3cyclictest9-21ksoftirqd/009:38:140
1000992013,4cyclictest15968-21awk13:33:390
1011991913,3cyclictest22784-21ptp4l-jitter10:13:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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