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2025-06-16 - 20:08
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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 rack2slot7.osadl.org (updated Mon Jun 16, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
311133599523,35cyclictest3232507-21basename11:01:410
3111335994821,8cyclictest0-21swapper/010:21:460
311133599441,40cyclictest3217233-21grep10:41:390
311133599441,24cyclictest3249998-21ntpq11:26:450
311133599433,30cyclictest3300568-21awk12:23:410
3111335994025,3cyclictest3246276-21ld11:21:460
311133599402,11cyclictest3275270-21gltestperf11:56:420
311133599392,27cyclictest3230041-21ssh10:57:410
311133599361,30cyclictest0-21swapper/012:41:420
311133599360,28cyclictest0-21swapper/009:26:470
3111335993525,1cyclictest0-21swapper/011:41:440
311133599351,32cyclictest3207942-21latency_hist10:28:400
311133599351,26cyclictest0-21swapper/009:43:390
311133599343,24cyclictest3238969-21/usr/sbin/munin11:11:430
3111335993421,12cyclictest3288625-21cut12:11:420
3111336993322,10cyclictest1125-21rtkit-daemon07:26:481
311133599330,30cyclictest0-21swapper/009:38:400
311133599330,2cyclictest0-21swapper/009:31:470
311133599320,4cyclictest3192726-21cat10:08:400
311133599315,18cyclictest1006-21mta-sts-daemon09:56:380
311133599311,25cyclictest3194571-21grep10:11:400
311133599311,24cyclictest0-21swapper/010:16:460
311133799304,20cyclictest3238636-21/usr/sbin/munin11:11:502
311133799300,2cyclictest3253912-21ntpq11:31:452
311133599304,23cyclictest3146760-21fschecks_count09:01:430
311133599302,16cyclictest0-21swapper/012:36:430
3111335993018,7cyclictest3292868-21sed12:16:430
311133599301,29cyclictest0-21swapper/012:08:400
3111335993012,15cyclictest3179153-21fschecks_time09:51:410
3111337992923,3cyclictest3300510-21apt-key12:23:412
311133699294,20cyclictest111788-21systemd-journal12:24:131
311133599292,12cyclictest0-21swapper/012:21:350
3111335992916,2cyclictest3142128-21grep08:46:440
311133799288,16cyclictest633-21gpm11:58:422
311133599283,21cyclictest3128110-21munin-run08:03:400
311133599282,23cyclictest3133624-21fschecks_time08:21:550
3111335992819,2cyclictest0-21swapper/010:01:380
311133599280,5cyclictest3264076-21sendmail-msp11:44:270
311133599280,27cyclictest3120759-21find07:41:440
311133599280,25cyclictest3118440-21fschecks_count07:36:370
311133599280,1cyclictest3225591-21ntpq10:51:460
311133599280,1cyclictest0-21swapper/008:41:380
311133699275,4cyclictest0-21swapper/110:57:411
311133599274,19cyclictest3131714-21aten_r2power_en08:16:350
311133599273,22cyclictest3209763-21sed10:31:410
311133599271,25cyclictest0-21swapper/012:01:380
311133599271,24cyclictest3138292-21tail08:36:390
311133599271,21cyclictest3148141-21/usr/sbin/munin09:06:420
311133599270,1cyclictest0-21swapper/007:31:360
311133799264,19cyclictest3168458-21ntpq09:36:452
311133599264,20cyclictest3213634-21head10:36:440
311133599263,22cyclictest3270786-21tune2fs11:51:440
311133599262,22cyclictest3257795-21ntpq11:36:430
311133599262,22cyclictest3253344-21tune2fs11:31:410
311133599262,20cyclictest3113377-21aten_r2power_vo07:21:380
3111335992619,1cyclictest0-21swapper/009:23:070
3111335992613,9cyclictest191rcuc/007:13:390
311133599261,20cyclictest0-21swapper/009:15:020
311133599261,16cyclictest1458209-1kworker/0:1H+kblockd10:44:080
311133599260,21cyclictest3130393-21grep08:11:410
311133799252,20cyclictest3260040-21ssh11:38:532
311133599251,20cyclictest3145145-21fschecks_time08:56:400
311133599251,20cyclictest3143464-21grep08:51:420
311133599251,20cyclictest0-21swapper/012:33:080
3111335992511,13cyclictest0-21swapper/007:56:350
311133599250,24cyclictest3115168-21tune2fs07:26:380
311133599250,23cyclictest3150066-21cut09:11:410
311133599250,22cyclictest3123113-21head07:51:370
311133599250,19cyclictest3121484-21aten_r2power_en07:46:360
311133699242,19cyclictest3111287-21munin-run07:13:391
311133599243,18cyclictest3243858-21apt11:18:390
311133599242,20cyclictest3111888-21fschecks_count07:16:390
311133599241,18cyclictest3135257-21fschecks_count08:26:380
311133899234,10cyclictest0-21swapper/311:11:503
311133699233,16cyclictest3236618-21sed11:06:501
311133699232,3cyclictest171rcu_preempt10:16:441
311133599232,20cyclictest3128472-21aten2.4-expect08:06:370
311133599231,13cyclictest0-21swapper/009:47:100
3111337992217,4cyclictest605-21avahi-daemon11:06:492
311133699221,16cyclictest3167496-21/usr/sbin/munin09:36:441
311133599222,17cyclictest3137034-21sed08:31:390
311133599221,19cyclictest3237534-21grep11:08:400
112699220,3rtkit-daemon1006-21mta-sts-daemon11:53:332
3111337992114,4cyclictest3119474-21grep07:36:472
311133699214,12cyclictest1008-21mta-sts-daemon12:37:511
311133699213,1cyclictest0-21swapper/109:58:541
3111336992117,3cyclictest3289615-21grep12:11:521
3111336992111,7cyclictest3278005-21ssh11:58:421
3111336992111,7cyclictest3140996-21cat08:41:491
311133699211,16cyclictest3133662-21cut08:21:551
311133699210,18cyclictest3277393-21apt-get11:58:401
311133799209,8cyclictest3179334-21if_end009:51:412
311133799204,14cyclictest3288450-21/usr/sbin/munin12:11:412
311133799201,17cyclictest3258327-21sed11:36:502
311133799201,16cyclictest3140217-21grep08:41:402
311133699202,15cyclictest3308298-21tail12:31:411
3111336992014,5cyclictest3144523-21grep08:51:521
311133699201,13cyclictest3131280-21sed08:11:501
112699200,4rtkit-daemon1005-21mta-sts-daemon09:24:351
311133799193,10cyclictest3216899-21/usr/sbin/munin10:41:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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