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2026-06-23 - 19:59
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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 highest latencies:
System rackcslot4.osadl.org (updated Tue Jun 23, 2026 12:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21122612263202,46sleep00-21swapper/007:06:430
21122562254182,19sleep10-21swapper/107:06:401
214245121530,6sleep12141662-21/usr/sbin/munin08:20:201
21807072740,3chrt0-21swapper/009:35:220
179699600,5rtkit-daemon2161029-21diskmemload11:28:290
179699590,3rtkit-daemon0-21swapper/009:25:170
179699580,4rtkit-daemon0-21swapper/010:04:000
179699570,3rtkit-daemon0-21swapper/009:32:020
179699570,3rtkit-daemon0-21swapper/007:50:290
179699560,3rtkit-daemon0-21swapper/010:10:590
179699550,3rtkit-daemon0-21swapper/011:02:100
179699550,3rtkit-daemon0-21swapper/011:02:090
179699550,3rtkit-daemon0-21swapper/008:09:520
179699540,4rtkit-daemon2296615-21ssh12:15:040
179699540,3rtkit-daemon0-21swapper/010:58:210
179699540,3rtkit-daemon0-21swapper/010:42:240
179699540,3rtkit-daemon0-21swapper/010:39:590
179699530,4rtkit-daemon2236552-21ssh10:51:490
179699530,3rtkit-daemon0-21swapper/011:42:140
179699530,3rtkit-daemon0-21swapper/011:18:290
179699530,3rtkit-daemon0-21swapper/009:58:290
179699530,3rtkit-daemon0-21swapper/007:57:520
179699520,4rtkit-daemon1795-21rtkit-daemon12:35:380
179699520,3rtkit-daemon0-21swapper/012:07:250
179699520,3rtkit-daemon0-21swapper/011:36:300
179699520,3rtkit-daemon0-21swapper/008:40:430
179699520,3rtkit-daemon0-21swapper/008:22:030
179699510,4rtkit-daemon1795-21rtkit-daemon08:35:320
179699510,3rtkit-daemon1795-21rtkit-daemon09:20:230
179699510,3rtkit-daemon0-21swapper/010:32:360
179699510,3rtkit-daemon0-21swapper/009:54:050
179699510,1rtkit-daemon1795-21rtkit-daemon07:14:040
179699500,4rtkit-daemon1795-21rtkit-daemon11:52:360
179699500,3rtkit-daemon0-21swapper/007:31:160
179699490,4rtkit-daemon1795-21rtkit-daemon10:27:530
179699490,4rtkit-daemon1795-21rtkit-daemon10:20:200
179699490,3rtkit-daemon1795-21rtkit-daemon10:21:241
179699490,1rtkit-daemon1795-21rtkit-daemon09:00:090
179699480,4rtkit-daemon1795-21rtkit-daemon07:17:330
179699480,3rtkit-daemon1795-21rtkit-daemon08:58:240
179699480,3rtkit-daemon0-21swapper/010:45:120
179699480,19rtkit-daemon26-21ksoftirqd/108:03:010
179699470,4rtkit-daemon1795-21rtkit-daemon07:22:000
179699470,3rtkit-daemon1795-21rtkit-daemon07:44:140
179699470,20rtkit-daemon2112710-21cyclictest10:08:310
179699460,4rtkit-daemon1795-21rtkit-daemon08:26:350
179699460,3rtkit-daemon1795-21rtkit-daemon12:03:140
179699460,1rtkit-daemon1795-21rtkit-daemon08:30:300
179699460,1rtkit-daemon1795-21rtkit-daemon08:30:300
22112592450,1sleep00-21swapper/010:18:010
179699440,1rtkit-daemon1795-21rtkit-daemon12:31:080
179699440,1rtkit-daemon1795-21rtkit-daemon11:57:070
179699440,18rtkit-daemon2112710-21cyclictest11:22:420
179699440,18rtkit-daemon2112710-21cyclictest11:22:420
179699410,5rtkit-daemon763-21dbus-daemon10:44:391
179699410,3rtkit-daemon0-21swapper/110:16:361
179699410,14rtkit-daemon0-21swapper/107:35:070
179699400,3rtkit-daemon0-21swapper/011:59:221
179699390,3rtkit-daemon0-21swapper/011:50:261
179699390,3rtkit-daemon0-21swapper/009:32:361
179699390,12rtkit-daemon0-21swapper/112:28:340
179699380,4rtkit-daemon2253442-21apt-get11:15:121
179699380,3rtkit-daemon0-21swapper/011:42:581
179699380,3rtkit-daemon0-21swapper/011:32:280
179699380,12rtkit-daemon0-21swapper/107:46:200
2112717993633,1cyclictest0-21swapper/111:37:511
179699350,3rtkit-daemon0-21swapper/008:54:360
179699330,5rtkit-daemon893-21snmpd11:47:581
179699330,3rtkit-daemon0-21swapper/011:10:081
211271799320,18cyclictest2139288-21cut08:15:011
179699320,4rtkit-daemon1795-21rtkit-daemon09:13:140
179699320,3rtkit-daemon0-21swapper/010:30:311
179699310,4rtkit-daemon1795-21rtkit-daemon11:14:520
179699310,3rtkit-daemon0-21swapper/011:25:011
179699310,3rtkit-daemon0-21swapper/010:39:241
179699310,3rtkit-daemon0-21swapper/009:24:441
179699310,3rtkit-daemon0-21swapper/008:55:071
179699310,3rtkit-daemon0-21swapper/007:59:181
21136162300,4chrt0-21swapper/107:10:211
2112717993027,2cyclictest66950irq/132-enp2s012:38:091
179699300,3rtkit-daemon0-21swapper/011:31:281
179699300,3rtkit-daemon0-21swapper/009:45:401
2112717992913,10cyclictest2139709-21apt-get08:15:141
179699290,4rtkit-daemon2237410-21ssh10:53:371
179699290,3rtkit-daemon0-21swapper/109:17:410
179699290,3rtkit-daemon0-21swapper/009:44:541
211271799274,11cyclictest26-21ksoftirqd/111:20:211
211271799274,11cyclictest26-21ksoftirqd/111:20:201
2112717992711,6cyclictest26-21ksoftirqd/108:06:001
179699270,3rtkit-daemon1795-21rtkit-daemon08:53:471
179699270,3rtkit-daemon0-21swapper/010:46:491
179699270,3rtkit-daemon0-21swapper/009:15:361
22455972260,4sleep02245574-21apt-key11:05:020
211271799263,17cyclictest2123604-21apt-get07:35:141
211271799262,12cyclictest26-21ksoftirqd/110:00:241
211271799260,4cyclictest2162090-21/usr/sbin/munin09:10:211
179699260,3rtkit-daemon1795-21rtkit-daemon09:52:191
211271799258,13cyclictest26-21ksoftirqd/112:00:131
211271799252,15cyclictest2151457-21apt-get08:45:131
2112717992512,11cyclictest26-21ksoftirqd/108:05:001
211271799251,13cyclictest26-21ksoftirqd/110:10:241
2112717992510,10cyclictest2159272-21apt-get09:05:111
211271799250,7cyclictest0-21swapper/112:25:271
211271599252,16cyclictest2293028-21apt-get12:10:140
179699250,4rtkit-daemon1795-21rtkit-daemon10:57:091
22962492240,4sleep10-21swapper/112:14:401
211271799243,14cyclictest2127586-21apt-get07:45:141
211271799241,5cyclictest2245165-21python311:05:021
211271799241,5cyclictest2245165-21python311:05:011
211271799241,11cyclictest2300090-21munin-run12:20:001
211271799236,13cyclictest26-21ksoftirqd/112:05:141
211271799232,15cyclictest2147536-21apt-get08:35:151
211271799232,14cyclictest2300368-21apt-get12:20:161
211271799232,14cyclictest2129536-21apt-get07:50:121
2112717992312,7cyclictest66950irq/132-enp2s009:25:131
211271799231,11cyclictest26-21ksoftirqd/108:30:221
211271799231,11cyclictest26-21ksoftirqd/108:30:221
211271599235,4cyclictest13-21ksoftirqd/012:21:190
211271799228,3cyclictest141rcu_preempt12:30:541
211271799228,10cyclictest2179819-21kworker/u8:309:55:111
211271799223,17cyclictest2117127-21latency_hist07:20:011
211271799222,14cyclictest2117343-21apt-get07:20:131
211271799221,9cyclictest2243647-1kworker/u9:011:06:321
211271799220,6cyclictest0-21swapper/110:06:541
211271799220,5cyclictest284-20systemd-journal09:39:541
179699220,1rtkit-daemon1795-21rtkit-daemon08:25:531
211271799216,3cyclictest141rcu_preempt10:27:231
211271799213,10cyclictest2157325-21apt-get09:00:101
211271799212,14cyclictest2125638-21apt-get07:40:131
211271799212,13cyclictest2119087-21apt-get07:25:061
211271799210,6cyclictest0-21swapper/108:44:331
211271599212,4cyclictest0-21swapper/011:48:030
211271599212,13cyclictest2187075-21apt-get09:45:140
211271799201,13cyclictest2121657-21apt-get07:30:131
211271599202,12cyclictest2139094-21apt-get08:15:070
211271599201,4cyclictest141rcu_preempt09:40:080
2112715992012,6cyclictest763-21dbus-daemon08:50:010
2112715992012,6cyclictest2121167-21seq07:27:080
2112715991913,4cyclictest2137870-21kernelversion08:10:180
2112715991813,3cyclictest2159998-21awk09:05:170
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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