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2025-11-25 - 20:27
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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 all highest latencies:
System rack9slot4.osadl.org (updated Tue Nov 25, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31678113771sleep0-21swapper/000:29:150
70501330irq/18-mmc13181199cyclictest03:59:581
317989912444cyclictest12900-21/usr/sbin/munin05:30:070
31473112375sleep0-21swapper/100:29:001
317989911935cyclictest9980-21tail05:24:370
317989911238cyclictest28923-21latency_hist02:04:210
317989911233cyclictest7708-21ssh02:34:410
317989911134cyclictest22655-21runrttasks01:43:540
317989910836cyclictest26757-21ntp_kernel_err01:54:520
317989910832cyclictest27427-21latency_hist05:54:280
317989910636cyclictest3588-21sshd02:24:510
317989910632cyclictest304-21snmpd04:56:350
317989910632cyclictest0-21swapper/004:14:240
317989910631cyclictest21787-21latency_hist03:54:240
317989910537cyclictest23195-21awk03:00:020
317989910536cyclictest10790-21/usr/sbin/munin02:39:520
317989910535cyclictest2993-21runrttasks03:20:560
317989910534cyclictest19653-21latency_hist01:34:210
317989910439cyclictest21548-21latency_hist05:44:270
317989910435cyclictest30529-21cat05:04:260
317989910432cyclictest9982-21latency_hist04:29:260
317989910236cyclictest10046-21latency_hist03:34:240
317989910134cyclictest0-21swapper/002:44:520
317989910033cyclictest9786-21latency_hist05:24:270
317989910031cyclictest25291-21processes01:49:560
317989910029cyclictest7190-21latency_hist00:54:190
317989910025cyclictest0-21swapper/001:24:340
31798999935cyclictest31142-21perl02:09:500
31798999934cyclictest0-21swapper/000:29:520
31798999929cyclictest74-21mmcqd/003:14:420
31798999831cyclictest0-21swapper/005:49:280
31798999638cyclictest4797-21idleruntime04:19:510
31798999610cyclictest0-21swapper/004:44:570
31798999610cyclictest0-21swapper/003:13:310
3179899958cyclictest0-21swapper/004:34:510
31798999532cyclictest5554-21latency_hist00:49:190
31798999531cyclictest304-21snmpd04:44:000
31798999430cyclictest16176-21runrttasks02:49:260
31798999377cyclictest0-21swapper/001:24:200
31798999345cyclictest25316-21ssh03:04:390
31798999327cyclictest0-21swapper/001:34:200
31798999322cyclictest0-21swapper/002:56:210
31798999322cyclictest0-21swapper/002:56:210
31798999244cyclictest2015-21/usr/sbin/munin04:14:540
31798999233cyclictest7110-21latency_hist00:54:190
31798999210cyclictest0-21swapper/003:59:580
31798999125cyclictest0-21swapper/004:29:260
31798999044cyclictest6773-21chrt02:33:040
31798999037cyclictest5283-21unixbench_multi05:15:080
3179899898cyclictest0-21swapper/001:15:530
3179899898cyclictest0-21swapper/000:59:330
3179899898cyclictest0-21swapper/000:59:330
31798998942cyclictest29106-21unixbench_singl04:05:130
31798998942cyclictest29106-21unixbench_singl04:05:130
31798998942cyclictest17044-21unixbench_multi05:35:090
31798998942cyclictest14086-21grep03:39:560
3181199888cyclictest0-21swapper/104:37:491
31811998810cyclictest0-21swapper/102:54:541
31811998810cyclictest0-21swapper/102:54:541
31811998810cyclictest0-21swapper/102:14:401
31811998810cyclictest0-21swapper/102:14:401
31798998842cyclictest2023-21date05:09:580
31798998841cyclictest32599-21fschecks_time02:14:420
31798998841cyclictest32599-21fschecks_time02:14:420
31798998838cyclictest22643-21sshd04:49:550
31798998819cyclictest12183-21diskstats01:09:370
3181199879cyclictest0-21swapper/102:24:421
3181199878cyclictest0-21swapper/103:34:341
31811998710cyclictest0-21swapper/105:30:091
3179899878cyclictest0-21swapper/003:44:580
3179899878cyclictest0-21swapper/003:37:590
3179899878cyclictest0-21swapper/001:44:430
3179899877cyclictest0-21swapper/002:23:200
31798998715cyclictest0-21swapper/003:54:440
6950860irq/18-mmc03181199cyclictest05:09:471
3181199869cyclictest0-21swapper/103:29:391
3181199868cyclictest0-21swapper/101:29:331
3181199868cyclictest0-21swapper/101:20:041
31811998629cyclictest22806-21/usr/sbin/munin01:44:581
31811998610cyclictest0-21swapper/102:49:221
3179899868cyclictest0-21swapper/005:56:430
3181199859cyclictest0-21swapper/100:29:461
3181199858cyclictest0-21swapper/102:59:591
31811998510cyclictest0-21swapper/104:09:371
6950840irq/18-mmc03181199cyclictest00:54:191
3181199849cyclictest0-21swapper/104:31:261
3181199848cyclictest0-21swapper/105:52:531
3181199848cyclictest0-21swapper/105:21:421
3181199848cyclictest0-21swapper/104:04:571
3181199848cyclictest0-21swapper/104:04:571
3181199848cyclictest0-21swapper/102:19:431
3181199848cyclictest0-21swapper/101:09:431
31811998436cyclictest22965-21awk03:55:031
3179899848cyclictest0-21swapper/003:28:280
31798998422cyclictest2438-21latency_hist00:39:190
6950830irq/18-mmc03181199cyclictest00:39:191
3181199839cyclictest0-21swapper/105:39:551
3181199839cyclictest0-21swapper/103:22:391
3181199838cyclictest0-21swapper/105:47:001
3181199838cyclictest0-21swapper/104:43:571
3181199838cyclictest0-21swapper/104:29:261
3181199838cyclictest0-21swapper/103:45:401
3181199838cyclictest0-21swapper/102:39:221
3181199838cyclictest0-21swapper/102:10:021
3181199838cyclictest0-21swapper/101:59:571
3181199838cyclictest0-21swapper/101:49:391
31811998329cyclictest16477-21cat02:49:371
31811998311cyclictest0-21swapper/101:57:311
31798998336cyclictest31796-21wc05:05:100
31798998336cyclictest31796-21wc05:05:100
3181199829cyclictest0-21swapper/104:45:071
3181199829cyclictest0-21swapper/102:04:371
3181199828cyclictest0-21swapper/105:54:411
3181199828cyclictest0-21swapper/105:25:301
3181199828cyclictest0-21swapper/105:02:311
3181199828cyclictest0-21swapper/103:24:441
3181199828cyclictest0-21swapper/103:05:011
3181199828cyclictest0-21swapper/100:59:571
3181199828cyclictest0-21swapper/100:59:571
3181199828cyclictest0-21swapper/100:54:551
31811998218cyclictest0-21swapper/104:50:041
31811998211cyclictest0-21swapper/101:24:451
31811998210cyclictest0-21swapper/103:49:431
31798998260cyclictest0-21swapper/002:04:550
31798998229cyclictest0-21swapper/000:44:190
3181199819cyclictest0-21swapper/104:24:111
3181199819cyclictest0-21swapper/103:09:431
3181199819cyclictest0-21swapper/100:44:421
3181199818cyclictest0-21swapper/105:16:531
3181199818cyclictest0-21swapper/105:08:091
3181199818cyclictest0-21swapper/105:08:091
3181199818cyclictest0-21swapper/101:39:521
3181199818cyclictest0-21swapper/100:39:361
31811998112cyclictest0-21swapper/103:40:031
3181199808cyclictest0-21swapper/102:29:371
3181199808cyclictest0-21swapper/101:04:541
31811998031cyclictest0-21swapper/105:34:451
31811998018cyclictest14023-21if_can001:14:441
31811998010cyclictest0-21swapper/102:39:451
3181199789cyclictest0-21swapper/101:34:411
3181199788cyclictest0-21swapper/104:58:511
31811997810cyclictest0-21swapper/103:14:511
31811997712cyclictest0-21swapper/104:17:481
31798997632cyclictest0-21swapper/001:04:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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