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2026-09-20 - 11:33
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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 rack9slot4.osadl.org (updated Sun Sep 20, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
275251290251sleep0-21swapper/122:44:191
27430113468sleep0-21swapper/022:44:120
27613991257cyclictest0-21swapper/001:29:560
27613991193cyclictest9021-21missed_timers02:54:590
27613991117cyclictest0-21swapper/002:09:280
27613991117cyclictest0-21swapper/001:59:570
27613991104cyclictest14155-21latency_hist01:29:260
27613991104cyclictest14155-21latency_hist01:29:260
27613991103cyclictest9810-21/usr/sbin/munin02:59:590
27613991097cyclictest0-21swapper/023:24:460
27613991097cyclictest0-21swapper/023:04:420
27613991093cyclictest28510-21/usr/sbin/munin04:00:000
27613991093cyclictest23174-21crond00:14:240
27613991087cyclictest0-21swapper/003:44:300
27613991083cyclictest316-21runrttasks01:04:260
27613991078cyclictest0-21swapper/023:39:230
27613991078cyclictest0-21swapper/001:54:510
27613991077cyclictest0-21swapper/023:14:520
27613991077cyclictest0-21swapper/001:14:550
27613991074cyclictest21946-21latency_hist01:54:270
27613991073cyclictest13882-21latency_hist23:44:230
27613991063cyclictest5098-21latency_hist02:44:290
27613991063cyclictest29007-21kworker/u4:102:49:590
27613991063cyclictest26290-21latency_hist00:24:240
27613991063cyclictest17334-21/usr/sbin/munin01:39:570
27613991054cyclictest317-21/usr/sbin/munin04:10:110
27613991054cyclictest31050-21latency_hist00:39:250
27613991047cyclictest0-21swapper/003:14:290
27613991047cyclictest0-21swapper/002:29:580
27613991047cyclictest0-21swapper/002:19:570
27613991043cyclictest4754-21latency_hist00:59:260
27613991043cyclictest32193-21ntp_kernel_err02:24:590
27613991043cyclictest24733-21latency_hist00:19:240
27613991043cyclictest24733-21latency_hist00:19:240
27613991043cyclictest19040-21latency_hist03:29:300
27613991043cyclictest11065-21latency_hist01:19:270
27613991036cyclictest25272-21latency_hist03:49:310
27613991033cyclictest29397-21/usr/sbin/munin02:15:070
27613991033cyclictest16943-21latency_hist23:54:240
27613991033cyclictest15386-21latency_hist23:49:240
27613991014cyclictest12519-21/usr/sbin/munin03:05:100
27613991013cyclictest1717-21latency_hist00:49:250
27613991004cyclictest74-21mmcqd/023:29:530
27613991004cyclictest6913-21load23:19:530
27613991004cyclictest17809-21cat23:54:540
27613991003cyclictest20086-21latency_hist00:04:240
27613999913cyclictest0-21swapper/022:54:150
2761399988cyclictest0-21swapper/022:54:510
2761399988cyclictest0-21swapper/001:09:260
2761399967cyclictest0-21swapper/002:09:500
2761399963cyclictest20988-21needreboot00:04:540
2761399947cyclictest0-21swapper/000:24:420
2761399933cyclictest2849-21nfs4_client02:34:580
2762699903cyclictest16675-21/usr/sbin/munin01:34:591
27626999011cyclictest0-21swapper/100:14:401
27626999011cyclictest0-21swapper/100:14:401
2761399903cyclictest28851-21/usr/sbin/munin22:45:000
2762699893cyclictest16913-21/usr/sbin/munin03:20:031
2761399894cyclictest3040-21/usr/sbin/munin23:09:530
27613998912cyclictest0-21swapper/001:34:560
27626998834cyclictest4130-21unixbench_multi23:10:001
2761399888cyclictest0-21swapper/004:07:190
2761399888cyclictest0-21swapper/003:52:180
27613998860cyclictest0-21swapper/003:55:010
27613998860cyclictest0-21swapper/003:55:010
27613998854cyclictest74-21mmcqd/000:54:250
27613998850cyclictest33350irq/43-eth003:14:530
2762699874cyclictest18324-21runrttasks23:56:381
2762699869cyclictest0-21swapper/104:09:541
27626998628cyclictest2151-21uname23:04:481
2761399867cyclictest0-21swapper/000:30:000
27613998644cyclictest33350irq/43-eth003:35:100
6950850irq/18-mmc02762699cyclictest23:14:571
2762699859cyclictest0-21swapper/103:26:481
2762699859cyclictest0-21swapper/102:59:421
2762699858cyclictest0-21swapper/103:54:541
2762699858cyclictest0-21swapper/103:54:541
2762699858cyclictest0-21swapper/101:29:391
2762699853cyclictest28720-21/usr/sbin/munin03:59:461
2761399858cyclictest0-21swapper/001:48:440
27613998510cyclictest1385-21latency_hist23:04:220
2762699849cyclictest0-21swapper/100:19:441
2762699848cyclictest0-21swapper/103:15:061
2762699848cyclictest0-21swapper/100:59:401
2762699848cyclictest0-21swapper/100:09:451
2762699847cyclictest18616-21/usr/sbin/munin23:59:431
2762699844cyclictest32034-21runrttasks22:55:491
2762699844cyclictest29120-21open_files02:15:021
2762699843cyclictest32380-21/usr/sbin/munin22:59:351
2762699843cyclictest20815-21/usr/sbin/munin00:04:491
27626998411cyclictest0-21swapper/101:49:471
27626998410cyclictest0-21swapper/103:34:521
2761399848cyclictest0-21swapper/003:30:030
2761399847cyclictest0-21swapper/002:44:540
2761399847cyclictest0-21swapper/001:10:410
22950840irq/18-spi_topc2762699cyclictest03:52:531
2762699839cyclictest0-21swapper/102:13:501
2762699839cyclictest0-21swapper/100:24:481
2762699838cyclictest0-21swapper/122:49:191
2762699838cyclictest0-21swapper/102:34:361
2762699838cyclictest0-21swapper/101:47:521
2762699838cyclictest0-21swapper/101:39:501
27626998310cyclictest0-21swapper/104:05:011
27626998310cyclictest0-21swapper/103:29:581
2761399838cyclictest0-21swapper/003:20:080
2762699829cyclictest0-21swapper/100:29:391
2762699828cyclictest0-21swapper/123:30:001
2762699828cyclictest0-21swapper/103:44:541
2762699828cyclictest0-21swapper/102:55:021
2762699828cyclictest0-21swapper/101:54:381
2762699828cyclictest0-21swapper/101:26:101
2762699828cyclictest0-21swapper/101:26:101
2762699828cyclictest0-21swapper/101:15:001
2762699828cyclictest0-21swapper/101:09:411
2762699828cyclictest0-21swapper/100:52:131
2762699824cyclictest24885-21runrttasks02:02:341
2762699824cyclictest22339-21/usr/sbin/munin03:39:431
27626998225cyclictest0-21swapper/100:34:381
27626998224cyclictest0-21swapper/102:24:541
27626998220cyclictest0-21swapper/102:39:561
27626998218cyclictest7286-21ntp_offset01:04:581
27626998214cyclictest15148-21systemd-cgroups23:45:411
27626998210cyclictest0-21swapper/123:24:351
27626998210cyclictest0-21swapper/102:20:061
2762699819cyclictest0-21swapper/123:20:021
2762699819cyclictest0-21swapper/102:30:521
2762699818cyclictest0-21swapper/123:49:461
2762699818cyclictest0-21swapper/122:49:331
2762699818cyclictest0-21swapper/102:51:391
27626998110cyclictest0-21swapper/100:39:371
2762699808cyclictest0-21swapper/102:04:411
2761399808cyclictest0-21swapper/000:34:400
2762699798cyclictest0-21swapper/102:45:151
2762699798cyclictest0-21swapper/101:19:551
2762699798cyclictest0-21swapper/100:54:441
2762699788cyclictest0-21swapper/103:09:521
2762699788cyclictest0-21swapper/103:04:461
2762699787cyclictest0-21swapper/123:34:241
2762699778cyclictest0-21swapper/123:40:131
2762699759cyclictest0-21swapper/100:44:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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