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2025-12-05 - 04:06
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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 376 highest latencies:
System rack9slot4.osadl.org (updated Fri Dec 05, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11703112493sleep0-21swapper/101:11:451
119129912247cyclictest14100-21latency_hist04:56:570
119129912247cyclictest14100-21latency_hist04:56:570
119129911946cyclictest2421-21latency_hist05:31:590
119129911846cyclictest6887-21ssh03:48:270
119129911645cyclictest31726-21ssh06:21:310
119129911440cyclictest3801-21timerandwakeup06:27:530
119129911043cyclictest29755-21kernelversion04:27:290
119129910740cyclictest23458-21cat06:07:150
119129910740cyclictest23458-21cat06:07:150
119129910740cyclictest11756-21unixbench_multi02:52:350
119129910645cyclictest20613-21if_can003:17:210
119129910635cyclictest8457-21ntp_states02:42:290
119129910446cyclictest16102-21/usr/sbin/munin01:22:270
119129910435cyclictest32703-21kernelversion04:32:290
119129910432cyclictest31792-21sh03:37:000
119129910432cyclictest31792-21sh03:37:000
119129910432cyclictest17081-21latency_hist05:01:570
11569110471sleep0-21swapper/001:11:400
119129910336cyclictest74-21mmcqd/006:37:240
119129910042cyclictest23261-21diskstats03:22:150
11912999939cyclictest30975-21diskstats02:12:130
11912999739cyclictest11160-21cat04:51:570
11912999738cyclictest27025-21nfs4_client05:17:300
11912999738cyclictest18847-21kworker/u4:106:05:270
11912999416cyclictest0-21swapper/005:52:310
11912999326cyclictest0-21swapper/005:41:300
11912999240cyclictest10168-21ssh03:54:240
11912999231cyclictest16966-21latency_hist04:06:560
11912999130cyclictest12617-21unixbench_singl05:47:410
11912998946cyclictest32044-21aten_r9power_en05:27:100
1191299888cyclictest0-21swapper/002:02:100
1191299879cyclictest0-21swapper/005:03:540
1191299878cyclictest0-21swapper/006:33:580
11912998734cyclictest74-21mmcqd/004:07:230
11912998710cyclictest0-21swapper/003:59:250
11912998655cyclictest4665-21chrt03:45:350
11912998630cyclictest5096-21if_eth002:32:240
11912998628cyclictest2461-21latency_hist06:27:010
11912998550cyclictest26719-21perl06:12:250
11912998452cyclictest27093-21rt-features04:22:350
11912998436cyclictest74-21mmcqd/002:47:250
11912998411cyclictest0-21swapper/001:43:530
11912998410cyclictest0-21swapper/003:15:010
1191299839cyclictest0-21swapper/001:52:230
1191299838cyclictest0-21swapper/001:21:510
11912998311cyclictest0-21swapper/005:24:400
1191299829cyclictest0-21swapper/004:17:280
1191299829cyclictest0-21swapper/001:12:220
11912998244cyclictest20829-21if_eth104:12:240
11912998243cyclictest28993-21aten2.4-expect03:32:130
11912998239cyclictest74-21mmcqd/005:46:310
11912998230cyclictest20892-21/usr/sbin/munin05:07:260
11912998161cyclictest0-21swapper/004:42:290
11912998149cyclictest18052-21irqstats05:57:290
11912998133cyclictest14105-21/usr/sbin/munin03:02:150
11912998132cyclictest74-21mmcqd/003:31:270
11912998110cyclictest0-21swapper/002:38:060
1191299809cyclictest0-21swapper/001:46:530
1191299808cyclictest0-21swapper/002:07:290
1191299808cyclictest0-21swapper/001:32:220
11912998068cyclictest2912-21/usr/sbin/munin02:27:300
11912998068cyclictest2912-21/usr/sbin/munin02:27:300
11912998051cyclictest2210-21/usr/sbin/munin02:22:240
11912998050cyclictest699-21/usr/sbin/munin02:17:270
11912998049cyclictest20455-21/usr/sbin/munin01:37:180
11912998048cyclictest17347-21/usr/sbin/munin01:27:170
1191299798cyclictest0-21swapper/004:41:530
11912997948cyclictest26295-21/usr/sbin/munin01:57:100
11912997846cyclictest15556-21cpu03:07:110
11912997844cyclictest304-21snmpd05:15:220
11912997444cyclictest12936-21/usr/sbin/munin02:57:210
1192299708cyclictest0-21swapper/102:47:261
1192299657cyclictest0-21swapper/102:37:091
22150640irq/18-spi_topc0-21swapper/104:39:291
1192299648cyclictest0-21swapper/103:55:301
1192299648cyclictest0-21swapper/103:23:261
1192299628cyclictest0-21swapper/102:02:201
1192299628cyclictest0-21swapper/101:17:111
22150610irq/18-spi_topc0-21swapper/106:35:581
1192299617cyclictest0-21swapper/102:12:271
11922996125cyclictest0-21swapper/103:42:001
1799600migration/122607-21sh06:05:491
1192299607cyclictest0-21swapper/105:53:361
1192299607cyclictest0-21swapper/105:12:371
1192299607cyclictest0-21swapper/104:36:471
11922996015cyclictest0-21swapper/102:57:141
1192299598cyclictest0-21swapper/104:52:581
1192299598cyclictest0-21swapper/104:52:581
1192299598cyclictest0-21swapper/103:41:361
1192299598cyclictest0-21swapper/103:41:361
1192299598cyclictest0-21swapper/101:42:211
1192299597cyclictest0-21swapper/104:13:501
1192299597cyclictest0-21swapper/104:11:051
1192299596cyclictest0-21swapper/105:01:221
1192299587cyclictest0-21swapper/106:30:561
1192299587cyclictest0-21swapper/106:12:001
1192299587cyclictest0-21swapper/106:08:051
1192299587cyclictest0-21swapper/106:08:051
1192299587cyclictest0-21swapper/105:05:291
1192299587cyclictest0-21swapper/104:21:121
1192299586cyclictest0-21swapper/105:36:241
1192299586cyclictest0-21swapper/105:30:161
11922995814cyclictest191ksoftirqd/103:29:101
1192299578cyclictest0-21swapper/105:22:141
1192299578cyclictest0-21swapper/103:12:331
1192299577cyclictest0-21swapper/106:18:581
1192299577cyclictest0-21swapper/106:00:241
1192299577cyclictest0-21swapper/105:48:511
1192299577cyclictest0-21swapper/104:49:511
1192299577cyclictest0-21swapper/102:46:331
1192299577cyclictest0-21swapper/101:51:121
1192299577cyclictest0-21swapper/101:22:071
1192299576cyclictest0-21swapper/105:18:441
1192299576cyclictest0-21swapper/103:49:101
1192299576cyclictest0-21swapper/102:25:211
1192299569cyclictest0-21swapper/101:27:201
1192299568cyclictest0-21swapper/102:27:381
1192299568cyclictest0-21swapper/102:27:381
1192299568cyclictest0-21swapper/101:12:291
1192299567cyclictest0-21swapper/104:02:061
1192299567cyclictest0-21swapper/103:21:051
1192299567cyclictest0-21swapper/103:06:591
1192299567cyclictest0-21swapper/102:55:251
1192299567cyclictest0-21swapper/102:33:171
1192299566cyclictest0-21swapper/101:33:491
1192299559cyclictest0-21swapper/101:52:261
1192299558cyclictest0-21swapper/106:23:071
1192299558cyclictest0-21swapper/102:07:311
1192299558cyclictest0-21swapper/102:00:141
1192299557cyclictest0-21swapper/106:37:241
1192299557cyclictest0-21swapper/105:38:341
1192299557cyclictest0-21swapper/105:10:021
1192299557cyclictest0-21swapper/104:30:291
1192299557cyclictest0-21swapper/104:23:091
1192299557cyclictest0-21swapper/103:33:311
1192299557cyclictest0-21swapper/103:04:161
1192299556cyclictest0-21swapper/102:20:471
1192299548cyclictest0-21swapper/101:37:261
1192299547cyclictest0-21swapper/104:44:471
1192299546cyclictest0-21swapper/105:43:271
1192299536cyclictest0-21swapper/103:59:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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