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2025-11-21 - 18:58
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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 Nov 21, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3179321840,4sleep22941999cyclictest10:27:182
2150321740,3sleep22941999cyclictest12:51:192
3154021590,1sleep20-21swapper/212:23:002
903021570,5sleep12941499cyclictest13:12:341
1372121570,4sleep12941499cyclictest13:17:361
1773911220,9ptp4l1294-21kworker/3:108:13:383
57982830,5sleep0101ktimersoftd/011:12:450
177391670,1ptp4l401ktimersoftd/311:42:143
177391670,10ptp4l401ktimersoftd/311:08:493
268922650,3sleep32942699cyclictest10:22:133
177391620,1ptp4l401ktimersoftd/310:20:423
19882610,5sleep22941999cyclictest13:42:062
29405995836,3cyclictest9-21ksoftirqd/011:07:010
216002580,2sleep30-21swapper/310:53:533
166812580,4sleep02940599cyclictest11:27:180
29405995751,3cyclictest9-21ksoftirqd/012:12:160
29405995750,3cyclictest9-21ksoftirqd/009:07:120
29405995750,3cyclictest9-21ksoftirqd/008:57:120
290542574,42sleep00-21swapper/008:13:510
29405995549,3cyclictest9-21ksoftirqd/010:07:120
206732540,2sleep30-21swapper/311:32:153
177391540,1ptp4l401ktimersoftd/312:17:393
29405995347,3cyclictest9-21ksoftirqd/009:32:110
29405995347,3cyclictest9-21ksoftirqd/009:32:110
29405995229,7cyclictest9-21ksoftirqd/013:37:300
29405995125,4cyclictest9-21ksoftirqd/013:17:240
177391510,1ptp4l401ktimersoftd/311:21:203
29405995043,4cyclictest9-21ksoftirqd/009:02:100
29405995025,3cyclictest9-21ksoftirqd/011:39:490
29405995024,4cyclictest9-21ksoftirqd/013:43:030
29405995019,7cyclictest9-21ksoftirqd/009:22:190
29405995019,7cyclictest9-21ksoftirqd/009:22:190
134632490,1sleep00-21swapper/012:02:150
29405994835,3cyclictest9-21ksoftirqd/010:47:350
29405994722,4cyclictest9-21ksoftirqd/011:24:210
29405994722,4cyclictest9-21ksoftirqd/008:27:150
29405994634,4cyclictest9-21ksoftirqd/012:52:190
29405994633,3cyclictest9-21ksoftirqd/011:07:170
29405994621,4cyclictest9-21ksoftirqd/013:22:330
29405994621,4cyclictest9-21ksoftirqd/012:29:100
29405994620,4cyclictest9-21ksoftirqd/013:07:430
2904124626,9sleep20-21swapper/208:13:412
29405994535,3cyclictest9-21ksoftirqd/010:52:210
29405994521,4cyclictest9-21ksoftirqd/013:04:050
29405994521,4cyclictest9-21ksoftirqd/013:04:050
29405994520,4cyclictest9-21ksoftirqd/011:53:250
177391450,2ptp4l23591-21kworker/3:213:18:543
29405994439,3cyclictest9-21ksoftirqd/010:57:050
29405994435,3cyclictest9-21ksoftirqd/009:52:000
29405994421,7cyclictest9-21ksoftirqd/011:45:330
29405994420,4cyclictest9-21ksoftirqd/012:44:320
29405994419,4cyclictest9-21ksoftirqd/012:40:250
29405994419,4cyclictest9-21ksoftirqd/012:07:450
29405994338,3cyclictest9-21ksoftirqd/009:27:030
29405994333,3cyclictest9-21ksoftirqd/010:39:380
29405994329,3cyclictest9-21ksoftirqd/011:17:160
29405994317,4cyclictest9-21ksoftirqd/010:42:170
2940599430,5cyclictest6544-21ps12:32:220
29405994218,3cyclictest9-21ksoftirqd/012:57:330
29405994211,6cyclictest9-21ksoftirqd/013:27:290
285942425,22sleep128598-21/usr/sbin/munin08:12:271
177391420,1ptp4l401ktimersoftd/310:47:033
2940599417,6cyclictest9-21ksoftirqd/008:17:290
2940599414,3cyclictest9-21ksoftirqd/008:42:280
29405994136,3cyclictest9-21ksoftirqd/011:47:180
29405994131,3cyclictest9-21ksoftirqd/008:22:170
29405994116,4cyclictest9-21ksoftirqd/013:14:550
2940599404,8cyclictest9-21ksoftirqd/008:32:170
2940599404,4cyclictest9-21ksoftirqd/012:47:180
29405994035,3cyclictest9-21ksoftirqd/011:37:020
2940599403,3cyclictest121rcu_preempt08:47:150
29405994026,6cyclictest9-21ksoftirqd/010:17:260
2940599402,3cyclictest9-21ksoftirqd/010:33:440
29405994017,3cyclictest9-21ksoftirqd/012:22:500
29405994015,4cyclictest9-21ksoftirqd/010:23:530
2940599399,9cyclictest9-21ksoftirqd/009:52:280
2940599395,3cyclictest9-21ksoftirqd/009:57:160
29405993934,3cyclictest9-21ksoftirqd/010:17:010
29405993928,8cyclictest9-21ksoftirqd/010:27:160
29405993927,3cyclictest9-21ksoftirqd/012:17:320
29405993916,4cyclictest9-21ksoftirqd/011:58:210
177391390,1ptp4l401ktimersoftd/313:07:173
177391390,1ptp4l401ktimersoftd/312:57:243
177391390,1ptp4l401ktimersoftd/311:52:043
2940599383,3cyclictest121rcu_preempt09:17:130
2940599382,7cyclictest9-21ksoftirqd/013:32:190
177391380,1ptp4l401ktimersoftd/313:24:023
177391380,1ptp4l401ktimersoftd/312:52:123
177391380,1ptp4l401ktimersoftd/312:47:073
177391380,1ptp4l401ktimersoftd/312:39:503
177391380,1ptp4l401ktimersoftd/312:25:453
177391380,1ptp4l401ktimersoftd/312:11:483
177391380,1ptp4l401ktimersoftd/311:06:023
177391380,1ptp4l401ktimersoftd/311:00:003
177391380,1ptp4l401ktimersoftd/310:44:213
177391380,1ptp4l401ktimersoftd/310:28:173
177391380,1ptp4l401ktimersoftd/309:38:183
177391380,1ptp4l401ktimersoftd/308:57:083
2940599378,4cyclictest9-21ksoftirqd/009:42:220
29405993732,3cyclictest9-21ksoftirqd/009:37:300
29405993731,3cyclictest9-21ksoftirqd/008:52:180
177391370,1ptp4l401ktimersoftd/312:46:253
177391370,1ptp4l401ktimersoftd/312:30:473
177391370,1ptp4l401ktimersoftd/311:57:363
177391370,1ptp4l401ktimersoftd/311:12:473
177391370,1ptp4l401ktimersoftd/309:32:153
177391370,1ptp4l401ktimersoftd/309:32:153
177391370,0ptp4l401ktimersoftd/312:34:593
177391370,0ptp4l401ktimersoftd/311:48:343
29414993630,3cyclictest25-21ksoftirqd/111:52:071
29405993630,3cyclictest9-21ksoftirqd/009:12:180
177391360,1ptp4l401ktimersoftd/311:37:553
177391360,1ptp4l401ktimersoftd/308:52:243
177391360,0ptp4l401ktimersoftd/308:18:133
152222360,2sleep30-21swapper/311:25:043
29405993530,3cyclictest9-21ksoftirqd/008:37:150
177391350,2ptp4l1294-21kworker/3:108:28:113
177391350,1ptp4l401ktimersoftd/313:28:133
177391350,1ptp4l401ktimersoftd/312:06:553
177391350,1ptp4l401ktimersoftd/309:07:303
177391350,0ptp4l401ktimersoftd/313:05:183
177391350,0ptp4l401ktimersoftd/313:05:183
29405993429,3cyclictest9-21ksoftirqd/010:02:160
177391340,1ptp4l401ktimersoftd/310:39:123
177391340,1ptp4l401ktimersoftd/309:47:273
177391340,1ptp4l401ktimersoftd/309:42:013
177391340,1ptp4l401ktimersoftd/308:42:243
177391340,0ptp4l401ktimersoftd/313:33:453
29414993327,3cyclictest25-21ksoftirqd/108:46:581
177391330,1ptp4l401ktimersoftd/313:12:373
177391330,1ptp4l401ktimersoftd/310:09:413
29414993225,5cyclictest25-21ksoftirqd/110:22:291
177391320,2ptp4l23591-21kworker/3:212:14:253
177391320,1ptp4l401ktimersoftd/313:39:253
177391320,1ptp4l401ktimersoftd/311:31:193
167622320,2sleep20-21swapper/212:06:142
29414993126,3cyclictest25-21ksoftirqd/110:52:191
29414993126,3cyclictest25-21ksoftirqd/109:21:591
29414993124,4cyclictest25-21ksoftirqd/109:26:591
29414993124,4cyclictest25-21ksoftirqd/109:26:591
177391310,1ptp4l401ktimersoftd/310:14:203
29419993019,4cyclictest33-21ksoftirqd/211:21:182
29414993025,3cyclictest25-21ksoftirqd/109:57:191
29414993024,3cyclictest25-21ksoftirqd/111:22:201
177391300,1ptp4l401ktimersoftd/308:36:213
177391300,0ptp4l401ktimersoftd/309:18:503
177391300,0ptp4l401ktimersoftd/308:25:273
43702290,1sleep10-21swapper/109:37:191
29419992923,4cyclictest33-21ksoftirqd/211:37:282
29419992923,3cyclictest33-21ksoftirqd/208:47:222
29414992924,3cyclictest25-21ksoftirqd/111:27:321
29414992923,3cyclictest25-21ksoftirqd/110:47:011
29414992923,3cyclictest25-21ksoftirqd/110:27:181
29414992922,5cyclictest25-21ksoftirqd/111:02:311
212962293,8sleep233-21ksoftirqd/210:12:252
29426992822,3cyclictest41-21ksoftirqd/309:59:103
29419992823,3cyclictest33-21ksoftirqd/211:24:152
29419992822,3cyclictest33-21ksoftirqd/211:12:152
29419992822,3cyclictest33-21ksoftirqd/208:42:042
29414992823,3cyclictest25-21ksoftirqd/113:27:051
29414992823,3cyclictest25-21ksoftirqd/112:47:031
29414992823,3cyclictest25-21ksoftirqd/112:32:331
29414992823,3cyclictest25-21ksoftirqd/111:42:301
29414992823,3cyclictest25-21ksoftirqd/110:47:221
29414992823,3cyclictest25-21ksoftirqd/108:26:581
29414992822,3cyclictest25-21ksoftirqd/112:52:241
29414992822,3cyclictest25-21ksoftirqd/112:50:511
29414992822,3cyclictest25-21ksoftirqd/112:27:241
29414992822,3cyclictest25-21ksoftirqd/109:47:191
29414992821,4cyclictest25-21ksoftirqd/109:07:441
2941499280,5cyclictest31733-21sh13:37:371
177391280,1ptp4l401ktimersoftd/308:49:553
29426992721,3cyclictest41-21ksoftirqd/310:32:273
29419992722,3cyclictest33-21ksoftirqd/210:01:412
29419992722,3cyclictest33-21ksoftirqd/208:57:452
29419992721,3cyclictest33-21ksoftirqd/209:12:062
29419992721,3cyclictest33-21ksoftirqd/208:53:502
29419992720,4cyclictest14478-21ssh12:42:202
29414992722,3cyclictest25-21ksoftirqd/113:32:171
29414992722,3cyclictest25-21ksoftirqd/112:22:141
29414992722,3cyclictest25-21ksoftirqd/112:07:031
29414992722,3cyclictest25-21ksoftirqd/111:37:231
29414992722,3cyclictest25-21ksoftirqd/111:35:121
29414992722,3cyclictest25-21ksoftirqd/110:37:181
29414992722,3cyclictest25-21ksoftirqd/110:17:001
29414992722,3cyclictest25-21ksoftirqd/109:42:181
29414992722,3cyclictest25-21ksoftirqd/108:47:131
29414992721,3cyclictest25-21ksoftirqd/109:52:191
29414992721,3cyclictest25-21ksoftirqd/108:37:151
29414992721,3cyclictest25-21ksoftirqd/108:29:211
29414992720,4cyclictest25-21ksoftirqd/113:02:211
29414992720,4cyclictest25-21ksoftirqd/113:02:211
177391270,1ptp4l401ktimersoftd/309:14:103
177391270,1ptp4l401ktimersoftd/309:02:253
70262260,2sleep10-21swapper/113:11:451
29419992620,4cyclictest33-21ksoftirqd/210:35:492
29419992620,4cyclictest33-21ksoftirqd/209:03:152
29419992620,3cyclictest33-21ksoftirqd/208:35:522
29419992619,4cyclictest33-21ksoftirqd/211:30:252
29419992618,5cyclictest21445-21gltestperf13:27:222
29414992621,3cyclictest25-21ksoftirqd/110:32:121
29414992621,3cyclictest25-21ksoftirqd/110:18:381
29414992621,3cyclictest25-21ksoftirqd/109:02:161
29414992620,4cyclictest25-21ksoftirqd/113:43:371
29414992620,3cyclictest25-21ksoftirqd/112:02:031
29414992620,3cyclictest25-21ksoftirqd/110:57:141
29414992620,3cyclictest25-21ksoftirqd/109:27:421
29414992620,3cyclictest25-21ksoftirqd/108:57:181
29414992620,3cyclictest25-21ksoftirqd/108:17:101
29414992619,4cyclictest25-21ksoftirqd/112:21:031
177391260,1ptp4l401ktimersoftd/309:54:063
29419992519,4cyclictest33-21ksoftirqd/213:05:362
29419992519,4cyclictest33-21ksoftirqd/213:05:362
29419992519,3cyclictest33-21ksoftirqd/209:52:032
29419992519,3cyclictest33-21ksoftirqd/209:37:122
29419992518,4cyclictest33-21ksoftirqd/210:04:422
29419992518,4cyclictest33-21ksoftirqd/209:25:562
29419992518,4cyclictest33-21ksoftirqd/209:25:562
29419992518,4cyclictest33-21ksoftirqd/208:41:482
29419992518,4cyclictest33-21ksoftirqd/208:28:152
29414992520,3cyclictest25-21ksoftirqd/111:12:221
29414992520,3cyclictest25-21ksoftirqd/111:07:171
29414992519,4cyclictest25-21ksoftirqd/109:34:341
29414992519,4cyclictest25-21ksoftirqd/109:34:341
29414992519,3cyclictest25-21ksoftirqd/112:07:141
29414992514,4cyclictest25-21ksoftirqd/113:27:251
29419992419,3cyclictest33-21ksoftirqd/211:04:442
29419992418,4cyclictest33-21ksoftirqd/213:13:512
29419992418,4cyclictest33-21ksoftirqd/209:08:412
29419992418,3cyclictest33-21ksoftirqd/208:26:572
29419992418,3cyclictest2692-21grep13:42:202
29419992417,4cyclictest33-21ksoftirqd/209:35:512
29419992417,4cyclictest33-21ksoftirqd/209:35:512
29414992420,2cyclictest25-21ksoftirqd/111:17:021
29414992419,3cyclictest25-21ksoftirqd/112:17:031
29414992419,3cyclictest25-21ksoftirqd/110:02:191
29414992419,3cyclictest25-21ksoftirqd/109:16:591
29414992418,4cyclictest25-21ksoftirqd/110:12:001
29414992417,5cyclictest25-21ksoftirqd/112:57:341
177391240,1ptp4l401ktimersoftd/313:42:173
177391240,1ptp4l401ktimersoftd/310:02:123
177391240,1ptp4l401ktimersoftd/309:27:033
177391240,1ptp4l401ktimersoftd/309:22:133
177391240,1ptp4l401ktimersoftd/309:22:133
177391240,1ptp4l401ktimersoftd/308:37:093
29419992317,4cyclictest33-21ksoftirqd/210:08:032
29419992316,4cyclictest33-21ksoftirqd/211:44:022
29419992315,5cyclictest27183-21cut10:22:162
2941999231,4cyclictest7651-21users12:32:332
2941999231,3cyclictest0-21swapper/209:46:592
2941999230,20cyclictest7113-21tail10:37:162
29414992317,3cyclictest25-21ksoftirqd/108:32:141
62652220,3sleep2321ktimersoftd/213:10:182
29419992217,3cyclictest33-21ksoftirqd/212:12:562
29419992217,3cyclictest33-21ksoftirqd/211:35:432
29419992217,3cyclictest33-21ksoftirqd/211:01:312
29419992215,4cyclictest33-21ksoftirqd/213:25:522
29419992215,4cyclictest32607-21idleruntime11:07:182
29414992217,3cyclictest25-21ksoftirqd/111:47:191
29414992216,3cyclictest25-21ksoftirqd/108:52:101
29414992214,5cyclictest1760-21runrttasks12:39:141
29419992116,3cyclictest33-21ksoftirqd/210:18:032
29419992114,4cyclictest12068-21sh11:59:332
2941999211,3cyclictest18873-21snmp_o5powerctl12:07:352
2941999210,4cyclictest27385-21sh13:32:502
2941999210,19cyclictest0-21swapper/209:20:312
258602211,3sleep225869-21ssh12:56:382
227482210,2sleep20-21swapper/210:56:252
29419992015,3cyclictest33-21ksoftirqd/212:27:282
29419992015,3cyclictest33-21ksoftirqd/210:42:282
29419992015,3cyclictest33-21ksoftirqd/208:21:362
2941999201,4cyclictest6583-21snmp_o5powerctl11:52:282
29419992013,4cyclictest28402-21sh12:57:412
29419992013,4cyclictest25791-21fschecks_count12:17:172
2941999201,17cyclictest0-21swapper/209:29:292
2941999200,4cyclictest17243-21ssh10:48:312
29419991914,3cyclictest33-21ksoftirqd/209:51:532
29419991913,3cyclictest2622-21sh11:47:382
29419991913,3cyclictest13480-21ssh13:17:342
29419991912,4cyclictest12138-21sh12:38:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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