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2026-04-12 - 01:57
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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 100 highest latencies:
System rackbslot6.osadl.org (updated Sat Apr 11, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
937821820,7sleep20-21swapper/208:11:472
746921680,4sleep01039099cyclictest09:16:270
106891990,3ptp4l401ktimersoftd/308:15:173
106891810,2ptp4l401ktimersoftd/313:01:323
81712750,2sleep30-21swapper/312:31:543
106891710,1ptp4l401ktimersoftd/310:45:553
219832660,5sleep321989-21needreboot11:06:513
219832660,5sleep321989-21needreboot11:06:513
272942640,1sleep00-21swapper/010:40:020
321682620,1sleep10-21swapper/110:06:461
33472610,2sleep10-21swapper/113:01:271
270992600,1sleep10-21swapper/110:39:431
106891580,1ptp4l401ktimersoftd/312:26:073
106891570,1ptp4l401ktimersoftd/313:38:193
106891570,1ptp4l401ktimersoftd/312:37:113
106891570,1ptp4l401ktimersoftd/312:15:173
106891570,1ptp4l401ktimersoftd/311:43:503
106891570,1ptp4l401ktimersoftd/311:33:473
100562574,10sleep10-21swapper/108:13:291
1039099552,8cyclictest23831-21gltestperf08:41:430
10390995320,6cyclictest9-21ksoftirqd/012:30:350
10390995319,5cyclictest9-21ksoftirqd/013:08:090
10390995317,8cyclictest9-21ksoftirqd/012:58:170
268592520,1sleep30-21swapper/313:24:343
1039599523,13cyclictest18180-21chrt11:02:431
10395995213,7cyclictest25-21ksoftirqd/112:52:401
10395995213,7cyclictest25-21ksoftirqd/112:52:401
10390995218,5cyclictest9-21ksoftirqd/008:38:410
1039599518,11cyclictest27878-21rm13:26:191
1039599517,7cyclictest9113-21/usr/sbin/munin09:16:521
1039599512,17cyclictest30490-21ssh11:16:311
1039599512,12cyclictest21477-21ssh10:33:301
10395995110,6cyclictest25-21ksoftirqd/112:14:501
1039599510,14cyclictest3698-21tune2fs11:21:461
10390995123,5cyclictest9-21ksoftirqd/010:16:450
10390995118,5cyclictest9-21ksoftirqd/008:25:080
106891500,2ptp4l12469-21kworker/3:013:06:183
1039599507,8cyclictest14250-21/usr/sbin/munin08:21:441
1039599503,11cyclictest594-21fschecks_count11:51:471
1039599502,13cyclictest1095-21ssh12:25:381
10395995012,6cyclictest25-21ksoftirqd/110:06:091
1039599501,16cyclictest16913-21ssh12:07:141
1039599501,13cyclictest16107-21ssh12:41:141
10395995010,6cyclictest25-21ksoftirqd/111:09:031
10395995010,6cyclictest25-21ksoftirqd/111:09:031
10390995020,6cyclictest9-21ksoftirqd/012:12:280
1039599493,12cyclictest20986-21ssh13:17:521
1039599493,12cyclictest20349-21taskset11:37:451
1039599492,13cyclictest17961-21chrt08:29:231
1039599492,13cyclictest16906-21ssh10:29:061
1039599492,13cyclictest16260-21ssh13:13:281
1039599491,17cyclictest12974-21ssh13:11:131
1039599491,13cyclictest5356-21ssh10:51:021
1039599491,13cyclictest15332-21chrt11:01:151
1039599491,11cyclictest24224-21chrt12:48:221
10390994937,3cyclictest9-21ksoftirqd/011:32:240
10390994922,4cyclictest9-21ksoftirqd/009:01:460
10390994921,6cyclictest9-21ksoftirqd/011:20:240
10390994921,4cyclictest9-21ksoftirqd/012:55:220
10390994921,4cyclictest9-21ksoftirqd/012:55:220
10390994921,4cyclictest9-21ksoftirqd/012:06:470
308292480,2sleep20-21swapper/212:56:222
308292480,2sleep20-21swapper/212:56:222
1039599487,8cyclictest25-21ksoftirqd/109:41:451
1039599485,8cyclictest8739-21sh11:26:461
1039599483,12cyclictest5778-21/usr/sbin/munin11:56:491
1039599482,12cyclictest9683-21ssh12:33:351
1039599482,12cyclictest27792-21ssh11:12:201
10395994811,6cyclictest25-21ksoftirqd/109:40:241
1039599481,13cyclictest5722-21ssh13:02:091
1039599481,12cyclictest32450-21ssh13:30:441
1039099486,10cyclictest9-21ksoftirqd/013:12:020
1039099485,9cyclictest9-21ksoftirqd/011:56:310
10390994837,3cyclictest9-21ksoftirqd/011:59:450
10390994821,4cyclictest9-21ksoftirqd/013:45:030
10390994821,4cyclictest9-21ksoftirqd/013:31:510
10390994820,4cyclictest9-21ksoftirqd/012:36:320
1039599472,17cyclictest26819-21ssh11:45:331
1039599472,13cyclictest4183-21ssh12:27:321
1039599472,13cyclictest26606-21ssh12:17:081
1039599471,19cyclictest13592-21ssh13:43:551
1039599471,13cyclictest10038-21ssh10:55:381
1039599471,12cyclictest28865-21ssh11:46:501
1039599471,12cyclictest20010-21ssh12:44:341
1039599471,12cyclictest12314-21ssh12:02:451
1039099475,9cyclictest9-21ksoftirqd/012:51:320
1039099475,9cyclictest9-21ksoftirqd/009:26:590
1039099475,9cyclictest9-21ksoftirqd/009:26:590
1039099474,9cyclictest9-21ksoftirqd/009:46:440
10390994737,3cyclictest9-21ksoftirqd/013:30:440
10390994736,3cyclictest9-21ksoftirqd/010:34:100
10390994719,9cyclictest9-21ksoftirqd/011:11:430
106891460,1ptp4l401ktimersoftd/313:18:053
1039599467,8cyclictest7238-21/usr/sbin/munin13:36:591
1039599467,7cyclictest26923-21ps08:46:481
1039599463,11cyclictest1055-21runrttasks09:53:331
1039599462,13cyclictest12859-21ssh10:25:361
1039599461,13cyclictest28638-21chrt09:59:201
1039599461,12cyclictest4972-21ssh13:35:521
1039599461,12cyclictest11795-21unixbench_singl09:21:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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