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2026-03-21 - 16:21
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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 Sat Mar 21, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
461221670,4sleep11238899cyclictest13:20:381
1339621670,4sleep21239399cyclictest11:50:182
1068911190,8ptp4l9821-21kworker/3:008:02:243
106891730,1ptp4l401ktimersoftd/310:22:023
106891710,1ptp4l401ktimersoftd/313:32:223
106891680,1ptp4l401ktimersoftd/311:19:223
139422650,2sleep30-21swapper/308:05:123
34642640,2sleep20-21swapper/211:40:142
106891640,1ptp4l401ktimersoftd/312:25:583
106891640,1ptp4l401ktimersoftd/311:55:533
277332610,5sleep31240199cyclictest10:59:563
106891610,1ptp4l401ktimersoftd/310:49:503
82852600,2sleep00-21swapper/009:00:130
245512600,3sleep10-21swapper/113:09:221
228472600,2sleep00-21swapper/009:30:200
121792594,10sleep20-21swapper/208:03:392
15352580,2sleep10-21swapper/111:05:121
106891580,1ptp4l401ktimersoftd/311:10:543
121412574,42sleep00-21swapper/008:03:090
106891570,1ptp4l401ktimersoftd/310:57:363
12388995645,6cyclictest25-21ksoftirqd/111:20:081
27172540,2sleep00-21swapper/011:05:550
12381995419,7cyclictest9-21ksoftirqd/010:38:240
106891530,1ptp4l401ktimersoftd/310:24:563
12388995042,4cyclictest25-21ksoftirqd/112:05:071
1238199486,9cyclictest9-21ksoftirqd/013:14:560
1238199482,8cyclictest9-21ksoftirqd/013:34:570
12381994819,7cyclictest9-21ksoftirqd/010:07:230
106891480,1ptp4l401ktimersoftd/312:00:263
1238199475,9cyclictest9-21ksoftirqd/012:20:130
12381994722,5cyclictest9-21ksoftirqd/011:50:140
314792460,3sleep231477-21snmp_o5powerctl11:35:202
314792460,3sleep231477-21snmp_o5powerctl11:35:202
1238199466,8cyclictest21668-21ps13:05:180
1238199465,9cyclictest9-21ksoftirqd/011:40:110
1238199457,7cyclictest9-21ksoftirqd/009:20:120
1238199457,6cyclictest9-21ksoftirqd/009:55:130
1238199456,9cyclictest9-21ksoftirqd/013:29:570
1238199456,9cyclictest9-21ksoftirqd/012:40:240
1238199456,9cyclictest28229-21munin-run09:44:510
1238199456,9cyclictest28229-21munin-run09:44:510
1238199456,7cyclictest9-21ksoftirqd/011:35:110
1238199456,7cyclictest9-21ksoftirqd/011:35:110
1238199456,7cyclictest9-21ksoftirqd/008:25:140
1238199456,5cyclictest9-21ksoftirqd/012:15:130
1238199456,10cyclictest9-21ksoftirqd/011:15:100
1238199446,9cyclictest9-21ksoftirqd/012:05:110
1238199446,9cyclictest9-21ksoftirqd/008:24:500
1238199446,7cyclictest9-21ksoftirqd/013:20:190
1238199446,7cyclictest9-21ksoftirqd/008:35:100
1238199446,6cyclictest9-21ksoftirqd/010:32:230
1238199445,6cyclictest9-21ksoftirqd/010:25:090
1238199444,7cyclictest9-21ksoftirqd/010:19:530
1238199443,8cyclictest9-21ksoftirqd/012:54:560
1238199441,9cyclictest9-21ksoftirqd/013:04:560
12381994417,6cyclictest9-21ksoftirqd/012:35:160
1238199441,6cyclictest101ktimersoftd/010:45:080
1238199440,6cyclictest9-21ksoftirqd/008:40:080
106891440,1ptp4l2882-21kworker/3:009:57:193
1238199436,8cyclictest9-21ksoftirqd/008:09:510
1238199436,6cyclictest9-21ksoftirqd/012:45:360
1238199436,5cyclictest9-21ksoftirqd/008:05:120
1238199435,7cyclictest9-21ksoftirqd/013:15:350
1238199435,7cyclictest17168-21cpuspeed_turbos11:55:070
1238199435,4cyclictest5497-21diskmemload10:04:520
1238199434,7cyclictest9-21ksoftirqd/011:45:080
1238199432,6cyclictest9-21ksoftirqd/011:30:110
1238199432,6cyclictest9-21ksoftirqd/011:30:110
1238199431,6cyclictest101ktimersoftd/008:30:040
106891430,1ptp4l401ktimersoftd/310:13:293
1238199426,6cyclictest9-21ksoftirqd/009:35:080
1238199426,5cyclictest9-21ksoftirqd/012:00:120
1238199426,5cyclictest9-21ksoftirqd/011:04:390
1238199425,7cyclictest9-21ksoftirqd/009:50:210
1238199425,11cyclictest9-21ksoftirqd/008:50:200
1238199422,6cyclictest9-21ksoftirqd/010:13:150
1238199421,6cyclictest9-21ksoftirqd/010:44:430
1238199420,7cyclictest9-21ksoftirqd/012:29:560
1238199420,6cyclictest101ktimersoftd/011:10:220
106891420,1ptp4l401ktimersoftd/309:30:413
182212410,2sleep10-21swapper/111:55:141
1238199416,8cyclictest9-21ksoftirqd/010:50:380
1238199415,8cyclictest9-21ksoftirqd/012:30:150
1238199415,8cyclictest9-21ksoftirqd/008:55:040
1238199415,7cyclictest9491-21cpuspeed_turbos09:05:030
1238199415,7cyclictest9-21ksoftirqd/008:15:030
1238199414,5cyclictest9-21ksoftirqd/010:55:220
1238199413,7cyclictest9-21ksoftirqd/011:24:540
1238199413,6cyclictest9-21ksoftirqd/012:10:160
1238199412,11cyclictest9-21ksoftirqd/011:25:230
1238199411,6cyclictest0-21swapper/009:25:030
106891410,2ptp4l2882-21kworker/3:010:32:163
1238199403,9cyclictest9-21ksoftirqd/012:55:110
12381994016,7cyclictest9-21ksoftirqd/008:45:050
12381994015,7cyclictest9-21ksoftirqd/010:24:320
106891400,1ptp4l401ktimersoftd/311:26:283
106891400,0ptp4l401ktimersoftd/313:21:523
1238199394,8cyclictest9-21ksoftirqd/009:10:030
106891390,1ptp4l401ktimersoftd/313:27:413
106891390,1ptp4l401ktimersoftd/312:32:493
106891390,1ptp4l401ktimersoftd/312:20:173
12381993812,7cyclictest9-21ksoftirqd/009:45:080
12381993812,7cyclictest9-21ksoftirqd/009:45:080
106891380,1ptp4l401ktimersoftd/312:49:283
106891380,1ptp4l401ktimersoftd/312:42:003
106891380,1ptp4l401ktimersoftd/312:38:273
106891380,1ptp4l401ktimersoftd/311:22:053
106891380,1ptp4l401ktimersoftd/310:37:113
106891380,0ptp4l401ktimersoftd/311:34:563
106891380,0ptp4l401ktimersoftd/311:34:563
106891380,0ptp4l401ktimersoftd/309:10:083
1238199374,8cyclictest9-21ksoftirqd/009:15:060
106891370,1ptp4l401ktimersoftd/313:19:333
106891370,1ptp4l401ktimersoftd/313:12:383
106891370,1ptp4l401ktimersoftd/312:55:353
106891370,1ptp4l401ktimersoftd/312:53:303
106891370,1ptp4l401ktimersoftd/312:17:383
106891370,1ptp4l401ktimersoftd/312:14:383
106891370,1ptp4l401ktimersoftd/312:06:183
106891370,1ptp4l401ktimersoftd/310:15:343
106891370,0ptp4l401ktimersoftd/313:01:103
106891370,0ptp4l401ktimersoftd/311:45:323
106891370,0ptp4l401ktimersoftd/310:43:453
106891370,0ptp4l401ktimersoftd/310:06:433
106891360,13ptp4l401ktimersoftd/311:50:353
106891360,0ptp4l401ktimersoftd/311:09:253
106891360,0ptp4l401ktimersoftd/309:29:443
12393993528,3cyclictest33-21ksoftirqd/212:19:552
1239399351,3cyclictest121rcu_preempt13:05:082
12388993521,3cyclictest25-21ksoftirqd/110:24:531
106891350,2ptp4l6627-21kworker/3:209:00:363
106891350,1ptp4l401ktimersoftd/313:05:273
1238899345,7cyclictest25-21ksoftirqd/112:04:551
12388993429,3cyclictest25-21ksoftirqd/110:30:211
12388993428,4cyclictest0-21swapper/108:04:491
12388993428,3cyclictest25-21ksoftirqd/113:10:241
12388993428,3cyclictest25-21ksoftirqd/109:05:031
12388993423,9cyclictest25-21ksoftirqd/112:25:111
106891340,2ptp4l2882-21kworker/3:010:00:253
106891340,2ptp4l27718-21kworker/3:111:40:463
106891340,1ptp4l401ktimersoftd/308:55:123
257492330,1sleep30-21swapper/308:30:053
1238899339,4cyclictest25-21ksoftirqd/111:40:211
1238899335,6cyclictest25-21ksoftirqd/113:04:561
1238899335,6cyclictest121rcu_preempt08:45:071
1238899333,7cyclictest25-21ksoftirqd/109:25:181
12388993328,3cyclictest25-21ksoftirqd/113:19:561
12388993328,3cyclictest25-21ksoftirqd/112:49:561
12388993325,5cyclictest25-21ksoftirqd/110:35:041
12388993319,5cyclictest25-21ksoftirqd/110:25:051
106891330,0ptp4l401ktimersoftd/309:09:373
1238899325,6cyclictest25-21ksoftirqd/110:10:071
12388993227,3cyclictest25-21ksoftirqd/112:54:551
12388993227,3cyclictest25-21ksoftirqd/112:20:191
12388993227,3cyclictest25-21ksoftirqd/111:54:541
12388993227,3cyclictest25-21ksoftirqd/110:49:531
12388993227,3cyclictest25-21ksoftirqd/109:15:071
12388993227,2cyclictest25-21ksoftirqd/109:10:011
12388993226,3cyclictest25-21ksoftirqd/108:15:041
12388993221,8cyclictest25-21ksoftirqd/111:30:091
12388993221,8cyclictest25-21ksoftirqd/111:30:091
106891320,1ptp4l401ktimersoftd/310:50:403
106891320,1ptp4l401ktimersoftd/309:15:293
106891320,1ptp4l401ktimersoftd/308:43:133
106891320,1ptp4l401ktimersoftd/308:19:003
106891320,1ptp4l401ktimersoftd/308:11:493
1238899315,6cyclictest25-21ksoftirqd/112:30:071
1238899312,6cyclictest25-21ksoftirqd/108:30:161
1238899312,6cyclictest121rcu_preempt10:40:221
12388993126,3cyclictest25-21ksoftirqd/110:59:541
12388993126,3cyclictest25-21ksoftirqd/110:54:541
12388993126,3cyclictest25-21ksoftirqd/109:55:181
12388993126,3cyclictest25-21ksoftirqd/109:34:511
12388993125,3cyclictest25-21ksoftirqd/111:10:061
12388993125,3cyclictest25-21ksoftirqd/109:20:101
12388993112,3cyclictest25-21ksoftirqd/108:20:061
106891310,1ptp4l401ktimersoftd/311:30:373
106891310,1ptp4l401ktimersoftd/311:30:373
106891310,1ptp4l401ktimersoftd/309:35:593
106891310,0ptp4l401ktimersoftd/309:22:193
12393993025,3cyclictest33-21ksoftirqd/211:09:542
12393993023,4cyclictest33-21ksoftirqd/208:29:502
1238899306,4cyclictest25-21ksoftirqd/112:40:291
1238899305,4cyclictest25-21ksoftirqd/110:15:121
1238899304,6cyclictest25-21ksoftirqd/108:44:511
1238899303,6cyclictest25-21ksoftirqd/113:25:161
12388993025,3cyclictest25-21ksoftirqd/112:15:171
12388993025,3cyclictest25-21ksoftirqd/111:45:101
12388993024,3cyclictest25-21ksoftirqd/112:10:241
12388993024,3cyclictest25-21ksoftirqd/111:04:531
12388993024,3cyclictest25-21ksoftirqd/108:25:111
1238899300,3cyclictest121rcu_preempt10:04:531
106891300,1ptp4l401ktimersoftd/308:29:433
106891300,0ptp4l401ktimersoftd/309:43:033
106891300,0ptp4l401ktimersoftd/309:43:033
12401992922,4cyclictest41-21ksoftirqd/309:50:183
12393992922,4cyclictest33-21ksoftirqd/211:49:372
1238899294,6cyclictest25-21ksoftirqd/108:50:191
1238899293,6cyclictest25-21ksoftirqd/112:35:121
1238899292,7cyclictest25-21ksoftirqd/108:35:171
12388992924,3cyclictest25-21ksoftirqd/112:55:121
12388992924,3cyclictest25-21ksoftirqd/109:44:511
12388992924,3cyclictest25-21ksoftirqd/109:44:511
12388992923,3cyclictest25-21ksoftirqd/111:39:541
12388992923,3cyclictest25-21ksoftirqd/111:39:541
12388992923,3cyclictest25-21ksoftirqd/111:15:091
12388992922,4cyclictest25-21ksoftirqd/108:05:061
1238899291,6cyclictest25-21ksoftirqd/109:00:091
106891290,1ptp4l401ktimersoftd/308:35:203
12393992814,11cyclictest17861-21cut08:14:502
1238899284,3cyclictest121rcu_preempt11:25:121
1238899283,6cyclictest25-21ksoftirqd/108:09:501
1238899282,4cyclictest25-21ksoftirqd/108:55:061
1238899282,3cyclictest25-21ksoftirqd/109:35:081
12388992822,3cyclictest25-21ksoftirqd/110:04:521
12388992822,3cyclictest25-21ksoftirqd/109:50:071
12388992818,3cyclictest25-21ksoftirqd/113:30:091
12393992720,4cyclictest33-21ksoftirqd/209:33:392
12393992720,4cyclictest33-21ksoftirqd/208:59:332
1452912619,3phc2sys41-21ksoftirqd/308:50:043
12393992620,3cyclictest33-21ksoftirqd/210:35:102
12393992620,3cyclictest33-21ksoftirqd/209:54:222
12393992619,4cyclictest33-21ksoftirqd/211:08:582
12393992619,4cyclictest33-21ksoftirqd/209:58:522
12393992619,4cyclictest33-21ksoftirqd/208:40:322
1238899261,4cyclictest25-21ksoftirqd/109:44:521
1238899261,4cyclictest25-21ksoftirqd/109:44:521
106891260,0ptp4l401ktimersoftd/309:45:333
106891260,0ptp4l401ktimersoftd/309:45:333
106891260,0ptp4l401ktimersoftd/308:23:193
12393992520,3cyclictest33-21ksoftirqd/211:18:032
12393992519,3cyclictest33-21ksoftirqd/208:54:282
12393992518,4cyclictest33-21ksoftirqd/210:49:552
12393992518,4cyclictest33-21ksoftirqd/208:49:072
12393992518,4cyclictest25363-21sh13:10:082
12393992518,4cyclictest14189-21unixbench_singl13:30:252
12393992512,10cyclictest33-21ksoftirqd/208:05:082
318402240,2sleep20-21swapper/211:04:012
177112240,2sleep20-21swapper/211:55:112
12401992417,4cyclictest41-21ksoftirqd/308:47:443
12393992418,3cyclictest33-21ksoftirqd/213:22:162
12393992418,3cyclictest33-21ksoftirqd/209:17:012
12393992418,3cyclictest33-21ksoftirqd/209:09:162
12393992417,4cyclictest33-21ksoftirqd/209:26:212
12393992417,4cyclictest33-21ksoftirqd/209:21:072
12393992417,4cyclictest33-21ksoftirqd/208:16:072
1239399234,12cyclictest30819-21ssh10:30:042
1239399232,15cyclictest15556-21ssh13:00:072
12393992317,3cyclictest33-21ksoftirqd/213:19:472
12393992317,3cyclictest33-21ksoftirqd/212:53:572
12393992317,3cyclictest33-21ksoftirqd/210:25:122
12393992317,3cyclictest33-21ksoftirqd/208:21:152
12393992316,4cyclictest33-21ksoftirqd/212:44:542
12393992316,4cyclictest24893-21ptp4l12:35:172
12393992216,4cyclictest33-21ksoftirqd/213:29:382
12393992216,4cyclictest33-21ksoftirqd/209:45:242
12393992216,4cyclictest33-21ksoftirqd/209:45:242
12393992216,3cyclictest33-21ksoftirqd/210:02:482
12393992215,4cyclictest33-21ksoftirqd/209:11:592
12393992214,5cyclictest13616-21diskmemload10:45:082
1239399212,14cyclictest5914-21rm10:05:042
12393992116,3cyclictest33-21ksoftirqd/211:30:212
12393992116,3cyclictest33-21ksoftirqd/211:30:212
12393992115,4cyclictest33-21ksoftirqd/209:38:172
12393992115,3cyclictest27477-21sed12:05:142
12393992114,4cyclictest17401-21sh11:20:412
12393992114,4cyclictest12122-21sh12:22:442
12393992113,5cyclictest23211-21sh10:55:082
12393992014,3cyclictest33-21ksoftirqd/212:00:132
12393992014,3cyclictest26157-21missed_timers08:30:082
12393992014,3cyclictest20529-21sh11:25:082
12393992014,3cyclictest18610-21/usr/sbin/munin12:30:232
12393992014,3cyclictest12454-21sh10:10:192
12393992014,3cyclictest10607-21sh12:55:042
12393992014,3cyclictest1055-21runrttasks09:40:052
12393992014,3cyclictest1055-21runrttasks09:40:052
12393992013,4cyclictest33-21ksoftirqd/208:59:592
12393992013,4cyclictest17946-21sh10:15:292
12393992013,4cyclictest11258-21sh10:42:172
1239399201,16cyclictest28880-21snmp_o5powerctl08:35:142
12393991913,3cyclictest33-21ksoftirqd/212:10:192
12393991913,3cyclictest22590-21timerandwakeup10:20:222
1239399191,15cyclictest2236-21snmp_o5powerctl12:45:212
12393991812,3cyclictest13663-21sh12:24:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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