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2025-11-28 - 05:38
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackcslot4.osadl.org (updated Fri Nov 28, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32469482259187,27sleep00-21swapper/019:09:580
32469142259189,52sleep10-21swapper/119:09:381
324710599632,41cyclictest3303087-21apt-get21:20:111
324710599592,31cyclictest3324886-21apt-get21:50:161
324710599582,36cyclictest3377622-21apt-get23:05:121
324710599580,25cyclictest3401807-21munin-run23:40:001
324710599553,33cyclictest3391592-21apt-get23:25:151
125899550,4rtkit-daemon1257-21rtkit-daemon22:48:311
324710599543,32cyclictest3328517-21apt-get21:55:151
324710599542,34cyclictest3370766-21apt-get22:55:151
324710599542,33cyclictest3419927-21apt-get00:05:131
324710599542,27cyclictest3416475-21apt-get00:00:161
324710599542,26cyclictest3339151-21apt-get22:10:151
324710599540,24cyclictest3370536-21unin-run22:55:001
324710599531,33cyclictest3306614-21apt-get21:25:171
125899530,4rtkit-daemon1257-21rtkit-daemon21:04:531
324710599529,23cyclictest3314283-21cat21:35:201
324710599522,32cyclictest3295634-21apt-get21:10:151
324710599521,36cyclictest3414488-21ssh23:55:411
324710599510,21cyclictest3269152-21mailstats20:00:241
125899510,4rtkit-daemon1257-21rtkit-daemon19:15:341
324710599501,32cyclictest3283838-21apt-get20:40:141
3247105995010,27cyclictest3375909-21sh23:01:241
3247105995010,19cyclictest3438798-21sh00:32:021
324710599497,30cyclictest3302858-21systemd-run21:20:001
324710599491,33cyclictest3295359-21diskmemload22:30:321
324710599491,33cyclictest3295359-21diskmemload00:19:401
3247105994911,19cyclictest3348201-21sh22:22:081
324710599490,36cyclictest3351099-21ssh22:25:491
125899490,4rtkit-daemon1257-21rtkit-daemon00:11:480
324710599488,23cyclictest3386514-21seq23:16:371
324710599481,32cyclictest3295359-21diskmemload22:35:531
324710599481,28cyclictest3265590-21apt-get19:55:071
324710599480,36cyclictest3424478-21ssh00:11:211
324710599480,35cyclictest3333248-21ssh22:00:251
324710599480,32cyclictest3395150-21apt-get23:30:121
324710599480,32cyclictest3287740-21apt-get20:50:141
324710599480,31cyclictest3360252-21apt-get22:40:141
125899480,4rtkit-daemon1257-21rtkit-daemon20:19:570
32986152470,3sleep00-21swapper/021:13:560
324710599479,18cyclictest3383690-21sh23:13:091
324710599470,35cyclictest3388204-21grep23:20:141
324710599470,31cyclictest3440262-21apt-get00:35:131
324710599470,31cyclictest3429712-21apt-get00:20:141
324710599470,31cyclictest3405574-21apt-get23:45:131
324710599470,31cyclictest3342724-21apt-get22:15:131
324710599469,25cyclictest3270905-21ntpq20:05:231
324710599461,30cyclictest3409129-21apt-get23:50:151
324710599460,30cyclictest3310113-21apt-get21:30:151
324710599460,30cyclictest3281863-21apt-get20:35:121
324710599460,29cyclictest3335569-21apt-get22:05:161
324710599451,32cyclictest3290687-21mailstats20:55:241
324710599451,23cyclictest3322047-21find21:45:251
324710599450,31cyclictest3293614-21apt-get21:05:131
324710599450,24cyclictest3405339-21pluginstate23:45:001
324710599441,31cyclictest3272282-21df20:10:161
324710599441,27cyclictest3320023-21seq21:43:251
324710599440,32cyclictest3255034-21mailstats19:25:231
324710599440,30cyclictest3433223-21apt-get00:25:131
324710599440,30cyclictest3276010-21apt-get20:20:131
324710599440,29cyclictest3279459-21sshd20:27:321
324710599440,1cyclictest0-21swapper/119:45:171
324710599432,24cyclictest849-21snmpd19:50:271
324710599430,2cyclictest3253927-21latency_hist19:25:001
324710599420,31cyclictest3260720-21ntpq19:40:211
324710599420,30cyclictest3286123-21perl20:45:181
324710599420,27cyclictest3247778-21expr19:10:151
324710599420,24cyclictest3256589-21sed19:30:191
324710599411,28cyclictest3274631-21memory20:15:201
324710599410,29cyclictest3280686-21ntpq20:30:221
324710599410,29cyclictest3259773-21systemd-run19:40:011
125899370,3rtkit-daemon0-21swapper/119:24:440
125899360,3rtkit-daemon0-21swapper/120:38:480
125899350,3rtkit-daemon0-21swapper/119:11:380
33878862340,4chrt3387887-21idleruntime-cro23:20:000
3247102993229,2cyclictest63750irq/132-enp2s022:15:320
125899320,3rtkit-daemon0-21swapper/121:07:200
125899310,3rtkit-daemon0-21swapper/121:29:380
125899310,3rtkit-daemon0-21swapper/120:31:380
125899310,3rtkit-daemon0-21swapper/119:18:490
125899300,3rtkit-daemon1257-21rtkit-daemon19:55:010
125899300,3rtkit-daemon0-21swapper/121:41:070
125899300,3rtkit-daemon0-21swapper/121:39:380
125899300,3rtkit-daemon0-21swapper/119:36:010
3247102992911,4cyclictest13-21ksoftirqd/023:40:250
125899290,4rtkit-daemon1257-21rtkit-daemon19:50:120
125899290,3rtkit-daemon0-21swapper/119:27:570
324710299289,16cyclictest13-21ksoftirqd/023:10:000
3247102992815,11cyclictest13-21ksoftirqd/023:25:000
125899280,3rtkit-daemon0-21swapper/119:46:420
125899280,23rtkit-daemon817-21lldpd21:33:460
125899270,4rtkit-daemon0-21swapper/122:46:320
125899270,21rtkit-daemon3247100-21cyclictest20:27:200
3247102992613,11cyclictest13-21ksoftirqd/023:00:000
324710299253,16cyclictest3374178-21apt-get23:00:140
3247102992522,2cyclictest63750irq/132-enp2s000:38:520
3247102992522,2cyclictest3349294-21kworker/0:222:29:590
324710299250,8cyclictest3400248-21ssh23:36:030
324710299249,2cyclictest0-21swapper/022:30:560
324710299242,14cyclictest3412941-40apt-check23:55:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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