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2026-03-15 - 09:13
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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 rack4slot1.osadl.org (updated Sat Mar 14, 2026 21:06:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22367214320,6sleep20-21swapper/219:11:522
22367214320,6sleep20-21swapper/219:11:522
530821050,2sleep30-21swapper/319:51:483
530821050,2sleep30-21swapper/319:51:483
2266221010,4chrt0-21swapper/119:12:031
2266221010,4chrt0-21swapper/119:12:031
317982550,4chrt0-21swapper/321:01:423
317982550,4chrt0-21swapper/321:01:423
220632540,5sleep00-21swapper/019:11:460
220632540,5sleep00-21swapper/019:11:460
86642520,1sleep28777-21needreboot20:01:412
86642520,1sleep28777-21needreboot20:01:412
215362510,3chrt0-21swapper/020:36:310
215362510,3chrt0-21swapper/020:36:310
215042460,3sleep30-21swapper/320:36:313
215042460,3sleep30-21swapper/320:36:313
257992450,2sleep30-21swapper/320:46:393
257992450,2sleep30-21swapper/320:46:393
7022440,3sleep20-21swapper/219:41:382
7022440,3sleep20-21swapper/219:41:382
186492440,3sleep10-21swapper/120:26:471
186492440,3sleep10-21swapper/120:26:471
64162420,3chrt0-21swapper/219:56:382
64162420,3chrt0-21swapper/219:56:382
64162420,3chrt0-21swapper/219:56:382
6062390,3sleep10-21swapper/121:06:301
6062390,3sleep10-21swapper/121:06:301
247962380,4sleep10-21swapper/120:41:511
2270099381,11cyclictest23441-21cut19:16:390
2270099381,11cyclictest23441-21cut19:16:390
2270099372,13cyclictest26955-21wc19:26:280
2270099371,10cyclictest18022-21fschecks_count20:26:380
2270099371,10cyclictest18022-21fschecks_count20:26:380
2270099351,11cyclictest27328-21fschecks_count19:26:390
2270099351,11cyclictest27328-21fschecks_count19:26:390
2270099351,10cyclictest32028-21grep21:01:470
2270099351,10cyclictest32028-21grep21:01:470
2270099345,10cyclictest22027-21iwlist20:36:390
2270099345,10cyclictest22027-21iwlist20:36:390
2270099342,9cyclictest31599-21ntp_kernel_pll_19:36:430
2270099342,9cyclictest31599-21ntp_kernel_pll_19:36:430
2270099342,12cyclictest27574-21fschecks_count20:51:380
2270099342,10cyclictest4609-21fschecks_time19:51:380
2270099342,10cyclictest4609-21fschecks_time19:51:380
2270099341,9cyclictest29193-21fschecks_count19:31:390
2270099341,9cyclictest29193-21fschecks_count19:31:390
2270099341,12cyclictest27192-21grep20:51:260
2270099341,12cyclictest27192-21grep20:51:260
2270099341,11cyclictest15817-21latency_hist20:21:320
2270099341,11cyclictest15817-21latency_hist20:21:320
62142330,2sleep10-21swapper/119:56:321
62142330,2sleep10-21swapper/119:56:321
2270299339,8cyclictest0-21swapper/220:36:492
2270299339,8cyclictest0-21swapper/220:36:492
2270099331,10cyclictest2322-21grep19:46:320
2270099331,10cyclictest2322-21grep19:46:320
2270099331,10cyclictest10743-21needreboot20:06:410
2270099331,10cyclictest10743-21needreboot20:06:410
2270099321,11cyclictest8203-21/usr/sbin/munin20:01:440
2270099321,11cyclictest8203-21/usr/sbin/munin20:01:440
2270099321,11cyclictest31095-21wc21:01:290
2270099321,11cyclictest31095-21wc21:01:290
22702993119,10cyclictest3367-21find19:46:492
22702993119,10cyclictest3367-21find19:46:492
22702993116,11cyclictest695-21runrttasks19:51:482
22702993116,11cyclictest695-21runrttasks19:51:482
2270099310,11cyclictest8193-21date20:01:350
2270099310,11cyclictest8193-21date20:01:350
22702993025,3cyclictest73-21kswapd020:26:492
22702993025,3cyclictest73-21kswapd020:26:492
22702993017,10cyclictest13010-21find20:11:482
22702993017,10cyclictest11128-21find20:06:472
22702993017,10cyclictest11128-21find20:06:472
2270099301,9cyclictest23734-21uniq20:41:380
226592301,23sleep30-21swapper/319:12:023
226592301,23sleep30-21swapper/319:12:023
22702992816,9cyclictest73-21kswapd020:54:452
2270299276,9cyclictest32398-21chrt19:38:412
2270299276,9cyclictest32398-21chrt19:38:412
2270299276,19cyclictest0-21swapper/220:21:482
2270299276,19cyclictest0-21swapper/220:21:482
22702992712,13cyclictest0-21swapper/219:16:502
22702992712,13cyclictest0-21swapper/219:16:502
22701992514,9cyclictest7595-21sshd19:57:441
22701992514,9cyclictest7595-21sshd19:57:441
22701992514,9cyclictest7595-21sshd19:57:441
2270299242,2cyclictest131rcu_preempt19:21:492
22702992415,8cyclictest73-21kswapd020:48:022
22702992415,8cyclictest73-21kswapd020:48:022
22702992411,12cyclictest73-21kswapd020:31:502
22702992411,12cyclictest73-21kswapd020:31:502
2270199241,7cyclictest28076-21find19:26:501
2270199241,7cyclictest28076-21find19:26:501
2270099243,10cyclictest4061-21sh19:51:260
2270099243,10cyclictest4061-21sh19:51:260
22702992313,7cyclictest32015-1kworker/2:0H20:56:402
22702992313,7cyclictest32015-1kworker/2:0H20:56:402
22702992311,10cyclictest0-21swapper/220:21:262
22702992311,10cyclictest0-21swapper/220:21:262
22702992217,3cyclictest32195-21find21:01:492
22702992217,3cyclictest32195-21find21:01:492
22701992212,7cyclictest21-21ksoftirqd/119:21:381
2270199221,15cyclictest8543-21ls20:01:391
2270199221,15cyclictest8543-21ls20:01:391
22702992111,9cyclictest73-21kswapd019:26:502
22702992111,9cyclictest73-21kswapd019:26:502
2270199215,4cyclictest30017-21find19:31:491
2270199215,4cyclictest30017-21find19:31:491
2270199211,14cyclictest11070-21ls20:06:461
2270199211,14cyclictest11070-21ls20:06:461
2270099211,18cyclictest7238-21find19:56:490
22703992014,4cyclictest0-21swapper/319:46:383
22703992014,4cyclictest0-21swapper/319:46:383
2270299208,10cyclictest24131-21strings20:41:422
22702992012,6cyclictest29695-21ntp_kernel_pll_19:31:442
22702992012,6cyclictest29695-21ntp_kernel_pll_19:31:442
2270199209,8cyclictest2119-21latency_hist19:46:321
2270199209,8cyclictest2119-21latency_hist19:46:321
2270199208,9cyclictest27122-21ls20:51:251
2270199208,9cyclictest27122-21ls20:51:251
22701992012,6cyclictest31226-21fschecks_time19:36:381
22701992012,6cyclictest31226-21fschecks_time19:36:381
2270199201,15cyclictest28301-21find20:51:481
128632200,3sleep30-21swapper/320:11:463
2270199191,3cyclictest0-21swapper/120:21:471
2270199191,3cyclictest0-21swapper/120:21:471
22700991912,5cyclictest12238-21fschecks_count20:11:380
2270399181,13cyclictest0-21swapper/319:36:403
2270399181,13cyclictest0-21swapper/319:36:403
2270399181,12cyclictest0-21swapper/320:16:403
2270399181,12cyclictest0-21swapper/320:16:403
2270399181,12cyclictest0-21swapper/319:56:413
2270399181,12cyclictest0-21swapper/319:56:413
2270399181,12cyclictest0-21swapper/319:56:413
2270199187,9cyclictest21457-21latency_hist20:36:281
2270199187,9cyclictest21457-21latency_hist20:36:281
2270199184,12cyclictest14215-21grep20:16:391
2270199184,12cyclictest14215-21grep20:16:391
2270199182,4cyclictest131rcu_preempt20:36:491
2270199182,4cyclictest131rcu_preempt20:36:491
22701991810,6cyclictest13370-21sshd20:12:451
2270099181,14cyclictest16905-21timerandwakeup20:21:480
2270099181,14cyclictest16905-21timerandwakeup20:21:480
2270399178,7cyclictest33-21ksoftirqd/319:22:313
2270399171,13cyclictest21783-21chrt20:36:383
2270399171,13cyclictest21783-21chrt20:36:383
2270399171,13cyclictest0-21swapper/320:56:493
2270399171,13cyclictest0-21swapper/320:56:493
2270399171,13cyclictest0-21swapper/320:51:373
2270199176,9cyclictest2982-21uname19:46:431
2270199176,9cyclictest2982-21uname19:46:431
2270399161,9cyclictest0-21swapper/319:26:373
2270399161,9cyclictest0-21swapper/319:26:373
22703991611,4cyclictest33-21ksoftirqd/320:21:473
22703991611,4cyclictest33-21ksoftirqd/320:21:473
2270399161,13cyclictest0-21swapper/319:16:513
2270399161,13cyclictest0-21swapper/319:16:513
2270399161,12cyclictest0-21swapper/320:26:503
2270399161,12cyclictest0-21swapper/320:26:503
2270199161,12cyclictest29545-21fschecks_time20:56:381
2270199161,12cyclictest29545-21fschecks_time20:56:381
2270199161,12cyclictest23513-21grep19:16:401
2270199161,12cyclictest23513-21grep19:16:401
116302161,3sleep30-21swapper/320:09:263
116302161,3sleep30-21swapper/320:09:263
2270399159,4cyclictest33-21ksoftirqd/319:45:253
2270399159,4cyclictest33-21ksoftirqd/319:45:253
2270399151,9cyclictest0-21swapper/320:01:383
2270399151,9cyclictest0-21swapper/320:01:383
2270399151,11cyclictest30024-21chrt19:31:513
2270399151,11cyclictest30024-21chrt19:31:513
2270399149,4cyclictest33-21ksoftirqd/320:41:493
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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