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2025-12-18 - 16:25
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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 all highest latencies:
System rackcslot4.osadl.org (updated Thu Dec 18, 2025 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19094342282219,49sleep00-21swapper/007:08:550
19092712264193,27sleep10-21swapper/107:07:081
19630252760,10sleep126-21ksoftirqd/109:20:201
179699570,5rtkit-daemon1979148-21strings10:00:190
179699570,4rtkit-daemon0-21swapper/012:15:350
179699560,4rtkit-daemon1795-21rtkit-daemon10:41:331
179699550,4rtkit-daemon1795-21rtkit-daemon09:53:520
179699550,4rtkit-daemon0-21swapper/010:36:410
179699550,3rtkit-daemon0-21swapper/011:12:090
179699550,3rtkit-daemon0-21swapper/008:05:050
179699540,3rtkit-daemon0-21swapper/010:34:430
179699540,3rtkit-daemon0-21swapper/010:05:370
179699540,3rtkit-daemon0-21swapper/009:30:170
179699530,4rtkit-daemon1795-21rtkit-daemon10:50:530
179699530,4rtkit-daemon1795-21rtkit-daemon10:14:130
179699520,3rtkit-daemon1795-21rtkit-daemon10:45:510
179699520,3rtkit-daemon1795-21rtkit-daemon09:48:100
179699520,3rtkit-daemon0-21swapper/011:15:580
179699520,3rtkit-daemon0-21swapper/007:32:030
179699510,4rtkit-daemon1795-21rtkit-daemon07:45:010
179699510,3rtkit-daemon0-21swapper/007:40:330
179699500,4rtkit-daemon1795-21rtkit-daemon07:11:360
179699500,3rtkit-daemon0-21swapper/009:02:550
179699500,3rtkit-daemon0-21swapper/008:04:360
179699500,20rtkit-daemon1909712-21cyclictest11:31:380
179699490,3rtkit-daemon0-21swapper/008:26:530
179699480,21rtkit-daemon893-21snmpd11:59:160
179699470,3rtkit-daemon0-21swapper/009:57:500
179699470,3rtkit-daemon0-21swapper/009:06:550
179699460,19rtkit-daemon1795-21rtkit-daemon08:15:430
179699460,17rtkit-daemon0-21swapper/110:21:240
179699450,20rtkit-daemon1909712-21cyclictest10:26:480
179699420,4rtkit-daemon2004203-21apt-get11:05:140
179699410,13rtkit-daemon0-21swapper/110:16:330
179699410,13rtkit-daemon0-21swapper/109:44:120
179699410,13rtkit-daemon0-21swapper/108:57:340
179699380,4rtkit-daemon1795-21rtkit-daemon12:07:030
179699370,3rtkit-daemon0-21swapper/012:27:170
179699370,3rtkit-daemon0-21swapper/010:24:331
179699370,12rtkit-daemon0-21swapper/107:29:250
179699350,3rtkit-daemon0-21swapper/008:22:070
179699350,3rtkit-daemon0-21swapper/008:22:070
179699350,3rtkit-daemon0-21swapper/007:47:151
19295562340,4sleep00-21swapper/007:55:210
179699340,3rtkit-daemon0-21swapper/012:08:381
179699340,3rtkit-daemon0-21swapper/010:31:391
179699340,3rtkit-daemon0-21swapper/008:17:091
179699330,3rtkit-daemon0-21swapper/011:21:291
179699330,3rtkit-daemon0-21swapper/009:33:001
179699330,3rtkit-daemon0-21swapper/007:31:071
179699320,3rtkit-daemon1795-21rtkit-daemon09:12:110
179699320,3rtkit-daemon0-21swapper/011:56:091
179699320,3rtkit-daemon0-21swapper/010:05:231
179699310,4rtkit-daemon1795-21rtkit-daemon11:48:170
179699310,3rtkit-daemon0-21swapper/011:28:241
179699310,3rtkit-daemon0-21swapper/011:12:451
179699310,3rtkit-daemon0-21swapper/010:35:051
179699310,3rtkit-daemon0-21swapper/009:58:191
179699310,3rtkit-daemon0-21swapper/009:16:201
179699310,3rtkit-daemon0-21swapper/009:03:591
179699310,3rtkit-daemon0-21swapper/008:48:401
179699310,3rtkit-daemon0-21swapper/007:52:461
1909721993020,6cyclictest1910195-21apt-get07:10:161
1909721993014,10cyclictest2008493-21apt-get11:15:151
179699300,3rtkit-daemon0-21swapper/011:48:241
179699300,3rtkit-daemon0-21swapper/010:56:461
179699300,3rtkit-daemon0-21swapper/010:27:371
179699300,3rtkit-daemon0-21swapper/007:40:401
179699290,4rtkit-daemon1795-21rtkit-daemon10:52:041
179699290,3rtkit-daemon0-21swapper/012:14:461
179699290,3rtkit-daemon0-21swapper/012:00:421
179699290,3rtkit-daemon0-21swapper/011:31:591
179699290,3rtkit-daemon0-21swapper/011:08:051
179699290,3rtkit-daemon0-21swapper/011:02:511
179699290,3rtkit-daemon0-21swapper/009:12:241
179699290,3rtkit-daemon0-21swapper/008:27:001
1909720992812,11cyclictest1950669-21apt-get08:50:130
179699280,3rtkit-daemon0-21swapper/107:17:350
1909720992713,11cyclictest2026059-21apt-get12:00:130
179699270,3rtkit-daemon0-21swapper/007:36:581
190972199262,16cyclictest2022151-21apt-get11:50:131
190972199260,5cyclictest0-21swapper/109:07:131
179699260,3rtkit-daemon0-21swapper/011:35:231
1909721992514,10cyclictest2033673-21grep12:20:001
190972099252,17cyclictest1999878-21apt-get10:55:120
179699250,3rtkit-daemon1795-21rtkit-daemon11:36:350
179699250,1rtkit-daemon1795-21rtkit-daemon08:58:251
179699250,1rtkit-daemon1795-21rtkit-daemon08:38:301
190972199242,16cyclictest2033861-21apt-get12:20:151
1909721992411,9cyclictest1970432-21df09:40:151
190972199240,6cyclictest0-21swapper/110:19:131
179699240,4rtkit-daemon1795-21rtkit-daemon11:42:250
179699240,1rtkit-daemon1795-21rtkit-daemon08:53:551
190972199232,14cyclictest1973917-21apt-get09:50:161
190972099232,15cyclictest1968267-21apt-get09:35:130
179699230,3rtkit-daemon1795-21rtkit-daemon09:26:071
179699230,1rtkit-daemon1795-21rtkit-daemon11:41:191
179699230,1rtkit-daemon1795-21rtkit-daemon10:46:461
179699230,1rtkit-daemon1795-21rtkit-daemon08:31:341
1909721992212,5cyclictest2037746-21apt-get12:30:121
190972199221,18cyclictest2035798-21apt-get12:25:101
190972099229,9cyclictest1962387-21apt-get09:20:130
190972099223,11cyclictest2029946-21apt-get12:10:150
190972099223,11cyclictest1948723-21apt-get08:45:110
190972099222,15cyclictest1942446-21apt-get08:30:120
190972099222,14cyclictest2010459-21apt-get11:20:140
190972099222,14cyclictest1944399-21apt-get08:35:150
190972099222,13cyclictest1934646-21apt-get08:10:140
190972099221,15cyclictest1920982-21apt-get07:35:120
190972199219,9cyclictest1912203-21df07:15:031
190972199212,14cyclictest2039689-21apt-get12:35:121
190972199212,13cyclictest1916635-21apt-get07:25:111
190972199210,19cyclictest1929639-21awk07:55:221
190972099214,10cyclictest1946776-21apt-get08:40:130
190972099213,14cyclictest1914690-21apt-get07:20:130
190972099212,13cyclictest2001852-21apt-get11:00:140
19393772200,4sleep10-21swapper/108:20:201
19393772200,4sleep10-21swapper/108:20:201
1909721992014,4cyclictest1983458-21timerwakeupswit10:10:241
190972199201,3cyclictest1932518-1kworker/1:0H08:10:011
1909721992011,7cyclictest1973110-21find09:45:231
190972199201,14cyclictest1914690-21apt-get07:20:111
190972199200,2cyclictest1946684-21apt-config08:40:031
190972099202,13cyclictest2012407-21apt-get11:25:140
190972099202,13cyclictest1926827-21/usr/sbin/munin07:50:270
1909720992011,7cyclictest2035625-21systemd-run12:25:000
190972099201,12cyclictest1994033-21/usr/sbin/munin10:40:270
179699200,3rtkit-daemon0-21swapper/011:52:040
1909720991914,3cyclictest2038423-21head12:30:190
1909720991910,7cyclictest1961175-21ntpq09:15:220
190972199189,7cyclictest1934797-21cat08:10:151
1909721991813,3cyclictest1970010-21turbostat09:40:001
1909721991813,3cyclictest1931669-21processes08:00:211
1909721991811,5cyclictest1979938-21seq10:02:231
190972099178,7cyclictest1964466-21expr09:25:140
1909720991713,3cyclictest2039741-21cpu12:35:120
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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