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2026-08-02 - 20:40
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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 Sun Aug 02, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3244421720,2sleep3553899cyclictest14:04:223
1903321720,4sleep2553299cyclictest11:39:112
2652821610,4sleep3553899cyclictest13:24:513
753021440,3sleep1552299cyclictest11:27:181
1068911040,3ptp4l401ktimersoftd/309:14:193
106891790,1ptp4l401ktimersoftd/312:05:373
106891720,1ptp4l401ktimersoftd/314:31:443
106891710,1ptp4l401ktimersoftd/313:56:273
106891710,1ptp4l401ktimersoftd/313:56:273
106891680,1ptp4l401ktimersoftd/311:21:363
201542670,4sleep2321ktimersoftd/214:24:402
127152640,5sleep012706-21fschecks_count10:39:110
106891620,1ptp4l401ktimersoftd/310:44:203
251262600,2sleep00-21swapper/011:44:230
106891600,1ptp4l401ktimersoftd/314:34:133
51292594,10sleep10-21swapper/109:15:161
270522590,1sleep00-21swapper/012:19:240
202192580,1sleep00-21swapper/012:45:130
106891580,1ptp4l401ktimersoftd/311:04:433
158892570,3sleep3553899cyclictest11:34:463
106891570,1ptp4l401ktimersoftd/310:03:163
72162560,2sleep00-21swapper/013:05:050
231142550,1sleep00-21swapper/011:43:430
106891550,13ptp4l401ktimersoftd/314:17:153
106891540,1ptp4l401ktimersoftd/310:29:253
119562510,2sleep10-21swapper/113:09:521
177962500,2sleep20-21swapper/213:49:232
321212490,2sleep30-21swapper/313:31:053
106891490,2ptp4l32413-21kworker/3:011:44:133
32832484,31sleep20-21swapper/209:14:042
106891460,1ptp4l401ktimersoftd/314:41:183
5517994537,4cyclictest9-21ksoftirqd/014:24:130
106891450,1ptp4l401ktimersoftd/312:34:473
106891430,1ptp4l401ktimersoftd/313:13:453
106891410,1ptp4l401ktimersoftd/311:31:253
106891400,1ptp4l401ktimersoftd/312:39:233
5538993932,4cyclictest41-21ksoftirqd/312:14:073
106891390,1ptp4l401ktimersoftd/312:47:253
5517993829,5cyclictest9-21ksoftirqd/014:09:120
106891380,1ptp4l401ktimersoftd/314:28:463
106891380,1ptp4l401ktimersoftd/313:42:193
106891380,1ptp4l401ktimersoftd/313:15:073
106891380,1ptp4l401ktimersoftd/312:52:113
106891380,1ptp4l401ktimersoftd/312:33:573
106891380,1ptp4l401ktimersoftd/312:27:033
106891380,1ptp4l401ktimersoftd/312:02:273
106891380,1ptp4l401ktimersoftd/312:02:273
106891380,1ptp4l401ktimersoftd/311:28:093
106891380,0ptp4l401ktimersoftd/313:48:223
106891370,1ptp4l401ktimersoftd/314:44:333
106891370,1ptp4l401ktimersoftd/314:20:503
106891370,1ptp4l401ktimersoftd/314:10:413
106891370,1ptp4l401ktimersoftd/313:35:183
106891370,1ptp4l401ktimersoftd/313:05:193
106891370,1ptp4l401ktimersoftd/312:59:093
106891370,1ptp4l401ktimersoftd/312:22:033
106891370,1ptp4l401ktimersoftd/312:10:323
106891370,1ptp4l401ktimersoftd/312:10:323
106891370,1ptp4l401ktimersoftd/311:52:513
106891370,0ptp4l401ktimersoftd/313:52:463
106891360,0ptp4l401ktimersoftd/314:00:553
106891360,0ptp4l401ktimersoftd/311:43:403
106891360,0ptp4l401ktimersoftd/309:50:493
5522993528,4cyclictest28684-21cron11:13:551
5532993423,9cyclictest33-21ksoftirqd/213:14:142
5532993422,9cyclictest33-21ksoftirqd/212:14:152
553299340,31cyclictest15620-21sh09:38:532
106891340,2ptp4l7917-21kworker/3:109:57:083
106891340,1ptp4l401ktimersoftd/313:21:313
522023312,9sleep00-21swapper/009:16:280
124832330,2sleep20-21swapper/211:32:202
106891330,1ptp4l401ktimersoftd/310:24:223
106891330,1ptp4l401ktimersoftd/309:47:293
5517993226,3cyclictest9-21ksoftirqd/012:03:560
5517993226,3cyclictest9-21ksoftirqd/012:03:560
5517993219,6cyclictest9-21ksoftirqd/013:54:110
5517993219,6cyclictest9-21ksoftirqd/013:54:110
106891320,1ptp4l401ktimersoftd/310:40:003
5538993125,3cyclictest41-21ksoftirqd/312:54:163
5538993119,10cyclictest41-21ksoftirqd/309:39:213
5532993120,9cyclictest33-21ksoftirqd/213:11:482
145022310,2sleep20-21swapper/212:07:252
106891310,1ptp4l401ktimersoftd/310:49:473
106891310,1ptp4l401ktimersoftd/310:13:193
5538993024,3cyclictest41-21ksoftirqd/310:59:113
5532993019,9cyclictest33-21ksoftirqd/211:28:542
5517993017,7cyclictest9-21ksoftirqd/012:42:340
1797023023,3sleep125-21ksoftirqd/109:43:531
106891300,0ptp4l401ktimersoftd/311:16:513
5532992924,3cyclictest33-21ksoftirqd/212:59:122
5532992924,3cyclictest33-21ksoftirqd/211:54:162
5532992924,3cyclictest33-21ksoftirqd/211:19:152
5532992923,3cyclictest33-21ksoftirqd/212:49:162
551799293,16cyclictest3963-21ssh11:24:050
5517992923,3cyclictest9-21ksoftirqd/012:08:560
106891290,1ptp4l401ktimersoftd/309:28:103
5538992821,3cyclictest41-21ksoftirqd/310:23:543
5532992823,3cyclictest33-21ksoftirqd/213:29:172
5532992823,3cyclictest33-21ksoftirqd/210:08:532
5532992822,3cyclictest33-21ksoftirqd/213:04:282
5532992822,3cyclictest33-21ksoftirqd/211:44:092
5532992817,9cyclictest33-21ksoftirqd/214:29:142
5522992822,3cyclictest25-21ksoftirqd/112:23:591
5517992823,3cyclictest9-21ksoftirqd/013:43:580
5517992823,3cyclictest9-21ksoftirqd/009:54:100
551799282,15cyclictest28553-21ssh11:49:090
106891280,0ptp4l401ktimersoftd/310:14:103
5538992720,4cyclictest41-21ksoftirqd/310:08:073
5532992722,3cyclictest33-21ksoftirqd/214:04:182
5532992722,3cyclictest33-21ksoftirqd/212:44:272
5532992722,3cyclictest33-21ksoftirqd/211:59:112
5532992722,3cyclictest33-21ksoftirqd/211:59:112
5532992722,3cyclictest33-21ksoftirqd/210:33:542
5532992722,3cyclictest33-21ksoftirqd/209:43:532
5532992721,3cyclictest33-21ksoftirqd/214:09:202
5532992721,3cyclictest33-21ksoftirqd/212:34:172
5532992721,3cyclictest33-21ksoftirqd/210:48:542
5532992721,3cyclictest33-21ksoftirqd/210:24:132
5532992720,4cyclictest33-21ksoftirqd/209:53:322
5522992721,3cyclictest25-21ksoftirqd/113:27:061
551799277,9cyclictest17567-21gltestperf10:49:110
5517992722,3cyclictest9-21ksoftirqd/014:39:130
5517992722,3cyclictest9-21ksoftirqd/013:09:150
5517992722,3cyclictest1302-1kworker/u9:213:35:350
5517992721,3cyclictest9-21ksoftirqd/013:19:540
5517992721,3cyclictest9-21ksoftirqd/011:29:130
316322721,3sleep125-21ksoftirqd/111:55:011
5538992620,3cyclictest41-21ksoftirqd/311:09:143
5538992620,3cyclictest41-21ksoftirqd/310:54:043
5532992621,3cyclictest33-21ksoftirqd/214:44:172
5532992621,3cyclictest33-21ksoftirqd/213:39:172
5532992620,3cyclictest33-21ksoftirqd/214:44:002
5532992620,3cyclictest33-21ksoftirqd/213:24:132
5532992619,4cyclictest33-21ksoftirqd/210:55:392
5532992613,4cyclictest33-21ksoftirqd/212:54:082
5522992621,3cyclictest25-21ksoftirqd/109:38:531
5517992622,2cyclictest9-21ksoftirqd/013:33:580
5517992621,3cyclictest9-21ksoftirqd/014:04:180
5517992621,3cyclictest9-21ksoftirqd/012:24:160
5517992621,3cyclictest9-21ksoftirqd/011:08:550
5517992620,4cyclictest9-21ksoftirqd/009:23:530
5517992620,3cyclictest9-21ksoftirqd/012:14:180
5517992620,3cyclictest9-21ksoftirqd/010:54:040
5517992618,6cyclictest9-21ksoftirqd/009:23:560
106891260,1ptp4l401ktimersoftd/311:54:263
106891260,0ptp4l401ktimersoftd/310:20:163
5538992519,3cyclictest41-21ksoftirqd/309:29:103
553299259,3cyclictest33-21ksoftirqd/211:33:582
5532992520,3cyclictest33-21ksoftirqd/213:59:212
5532992519,3cyclictest33-21ksoftirqd/212:19:102
5532992519,3cyclictest33-21ksoftirqd/211:11:282
5522992520,3cyclictest25-21ksoftirqd/111:39:261
5522992519,3cyclictest25-21ksoftirqd/109:57:371
5522992518,4cyclictest844-21sed11:19:261
5522992518,4cyclictest25-21ksoftirqd/111:15:251
5522992518,4cyclictest25-21ksoftirqd/109:49:501
5522992518,4cyclictest25-21ksoftirqd/109:30:031
5522992518,4cyclictest25-21ksoftirqd/109:26:011
551799253,3cyclictest121rcu_preempt13:46:540
5517992519,3cyclictest9-21ksoftirqd/013:59:210
5517992519,3cyclictest9-21ksoftirqd/012:38:570
5517992519,3cyclictest9-21ksoftirqd/011:34:090
5517992519,3cyclictest9-21ksoftirqd/010:28:540
5517992519,3cyclictest9-21ksoftirqd/010:09:150
5517992518,4cyclictest9-21ksoftirqd/011:13:110
5538992418,3cyclictest41-21ksoftirqd/309:23:533
5532992419,3cyclictest33-21ksoftirqd/214:34:182
5532992419,3cyclictest33-21ksoftirqd/210:59:082
5532992419,3cyclictest33-21ksoftirqd/210:14:142
5532992419,3cyclictest33-21ksoftirqd/209:54:072
5532992418,3cyclictest33-21ksoftirqd/212:28:412
5532992418,3cyclictest33-21ksoftirqd/210:11:302
5532992412,10cyclictest17801-21apt14:23:592
5522992419,3cyclictest25-21ksoftirqd/114:29:001
5522992418,3cyclictest25-21ksoftirqd/110:48:031
5522992418,3cyclictest25-21ksoftirqd/110:02:021
5522992417,4cyclictest9246-21grep11:29:131
5522992417,4cyclictest25-21ksoftirqd/114:16:081
5522992417,4cyclictest25-21ksoftirqd/111:45:441
5522992417,4cyclictest25-21ksoftirqd/109:19:191
551799242,3cyclictest121rcu_preempt13:49:180
5517992419,3cyclictest9-21ksoftirqd/014:29:270
5517992419,3cyclictest9-21ksoftirqd/011:54:170
5517992418,3cyclictest9-21ksoftirqd/009:53:490
5517992417,4cyclictest9-21ksoftirqd/011:18:550
5517992416,5cyclictest9-21ksoftirqd/014:49:000
5517992411,7cyclictest9-21ksoftirqd/012:54:090
3156922417,3sleep0101ktimersoftd/014:37:360
106891240,1ptp4l401ktimersoftd/310:34:263
106891240,1ptp4l401ktimersoftd/309:34:053
5532992318,3cyclictest33-21ksoftirqd/214:14:292
5532992318,3cyclictest33-21ksoftirqd/212:40:442
5532992318,3cyclictest33-21ksoftirqd/209:59:112
5532992318,3cyclictest33-21ksoftirqd/209:23:572
5532992317,3cyclictest33-21ksoftirqd/210:19:122
5532992317,3cyclictest33-21ksoftirqd/210:19:122
5532992316,4cyclictest33-21ksoftirqd/210:42:342
5522992317,3cyclictest7858-21tail13:39:201
5522992317,3cyclictest25-21ksoftirqd/112:34:261
5522992317,3cyclictest25-21ksoftirqd/110:58:061
5522992317,3cyclictest25-21ksoftirqd/110:26:101
5522992317,3cyclictest25-21ksoftirqd/110:13:591
5522992316,4cyclictest850-21sed12:59:181
5522992316,4cyclictest25-21ksoftirqd/110:34:461
551799234,8cyclictest26246-21unixbench_singl13:24:280
5517992317,3cyclictest9-21ksoftirqd/012:49:100
5517992317,3cyclictest32184-21sh11:19:150
5517992316,4cyclictest9-21ksoftirqd/009:47:040
2447522316,3sleep125-21ksoftirqd/113:56:341
2447522316,3sleep125-21ksoftirqd/113:56:341
5532992217,3cyclictest33-21ksoftirqd/213:54:152
5532992217,3cyclictest33-21ksoftirqd/213:54:152
5532992217,3cyclictest33-21ksoftirqd/213:44:252
5532992217,3cyclictest33-21ksoftirqd/210:34:152
5532992216,3cyclictest33-21ksoftirqd/212:28:572
552299224,15cyclictest15135-21grep14:19:301
552299223,14cyclictest27950-21apt-get14:34:131
5522992217,3cyclictest25-21ksoftirqd/114:39:121
5522992217,3cyclictest25-21ksoftirqd/113:49:161
5522992217,3cyclictest25-21ksoftirqd/113:38:301
5522992217,3cyclictest25-21ksoftirqd/111:59:251
5522992217,3cyclictest25-21ksoftirqd/111:59:251
5522992216,3cyclictest25-21ksoftirqd/110:06:001
5522992215,4cyclictest25-21ksoftirqd/110:51:241
552299221,18cyclictest17784-21ssh13:16:341
5517992217,3cyclictest9-21ksoftirqd/013:14:200
5517992217,3cyclictest9-21ksoftirqd/010:47:340
5517992216,3cyclictest9-21ksoftirqd/013:01:480
5517992215,4cyclictest9-21ksoftirqd/011:00:550
5517992215,4cyclictest9-21ksoftirqd/010:04:300
5517992215,4cyclictest9-21ksoftirqd/009:43:530
551799221,3cyclictest121rcu_preempt14:14:590
5517992211,5cyclictest9-21ksoftirqd/012:09:090
5517992211,5cyclictest9-21ksoftirqd/012:09:090
5532992116,3cyclictest33-21ksoftirqd/213:38:352
5532992114,4cyclictest5695-21/usr/sbin/munin09:19:132
552299215,13cyclictest10862-21/usr/sbin/munin12:04:201
5522992116,3cyclictest25-21ksoftirqd/113:48:101
5522992116,3cyclictest25-21ksoftirqd/112:21:451
5522992116,3cyclictest25-21ksoftirqd/112:13:271
5522992116,3cyclictest25-21ksoftirqd/112:13:271
5522992116,3cyclictest25-21ksoftirqd/111:08:021
5522992115,3cyclictest25-21ksoftirqd/113:23:041
5522992115,3cyclictest25-21ksoftirqd/109:44:321
5522992114,4cyclictest25-21ksoftirqd/110:20:051
5522992114,4cyclictest25-21ksoftirqd/110:20:051
551799212,16cyclictest8989-21cut10:29:190
5517992116,3cyclictest9-21ksoftirqd/009:29:140
553299204,10cyclictest29000-21apt-get11:14:092
553299202,15cyclictest17508-21fschecks_time10:49:102
5532992014,3cyclictest28455-21/usr/sbin/munin11:49:132
5532992013,4cyclictest644-21dbus-daemon09:44:162
5532992013,4cyclictest21637-21sh13:19:482
5532992013,4cyclictest11628-21gltestperf09:29:112
5532992012,5cyclictest16319-21gltestperf12:09:142
5532992012,5cyclictest16319-21gltestperf12:09:142
552299202,15cyclictest18081-21ssh12:44:111
5522992016,3cyclictest25-21ksoftirqd/110:59:161
5522992014,3cyclictest5089-21ssh14:09:271
5522992014,3cyclictest29807-21tr13:29:151
5522992013,4cyclictest6815-21timerandwakeup14:44:271
5522992013,4cyclictest31065-21diskmemload12:54:241
5522992013,4cyclictest23178-21cut12:49:121
552299200,4cyclictest23595-21ssh12:16:161
552299200,17cyclictest2614-21rm14:08:001
5517992015,3cyclictest988-1kworker/u9:012:32:590
5517992015,3cyclictest9-21ksoftirqd/014:19:240
5517992015,3cyclictest9-21ksoftirqd/010:19:090
5517992015,3cyclictest9-21ksoftirqd/010:19:090
5517992015,3cyclictest9-21ksoftirqd/010:15:460
5517992014,3cyclictest9-21ksoftirqd/009:59:080
5517992014,3cyclictest13478-21/usr/sbin/munin09:34:110
5517992014,3cyclictest12292-21sed10:38:550
553299190,16cyclictest24672-21tail11:04:132
552299198,9cyclictest0-21swapper/113:04:141
5522991914,3cyclictest23492-21fschecks_time14:29:161
5522991914,3cyclictest14559-21latency_hist10:43:551
5522991913,3cyclictest31065-21diskmemload13:59:161
5522991913,3cyclictest29691-21nfs4_client11:49:171
5522991912,3cyclictest3922-21latency12:29:181
552299191,15cyclictest15194-21fgrep11:34:181
552299190,16cyclictest0-21swapper/112:42:581
5522991813,3cyclictest25-21ksoftirqd/110:10:091
5522991811,4cyclictest9165-21sed10:29:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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