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2026-07-06 - 17:07
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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 Mon Jul 06, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29007242255184,57sleep10-21swapper/107:09:031
28990562236192,28sleep00-21swapper/007:05:070
303150321540,4sleep1251rcuc/110:55:231
30134072660,3sleep00-21swapper/010:31:340
179699570,4rtkit-daemon1795-21rtkit-daemon10:16:551
29156132550,5sleep10-21swapper/107:45:151
179699520,4rtkit-daemon1795-21rtkit-daemon07:56:591
179699510,4rtkit-daemon1795-21rtkit-daemon09:30:411
179699490,4rtkit-daemon1795-21rtkit-daemon10:39:081
179699490,4rtkit-daemon1795-21rtkit-daemon09:11:500
179699460,5rtkit-daemon2984231-21apt-get09:55:130
179699430,3rtkit-daemon0-21swapper/110:10:111
179699430,3rtkit-daemon0-21swapper/110:10:111
179699390,3rtkit-daemon0-21swapper/110:34:011
179699380,5rtkit-daemon1795-21rtkit-daemon11:10:111
179699370,3rtkit-daemon0-21swapper/009:50:390
179699370,3rtkit-daemon0-21swapper/009:17:140
179699360,6rtkit-daemon3026140-21kworker/u8:010:54:241
179699360,4rtkit-daemon1795-21rtkit-daemon12:05:211
179699360,3rtkit-daemon0-21swapper/012:35:340
179699360,3rtkit-daemon0-21swapper/012:29:560
179699360,3rtkit-daemon0-21swapper/008:51:061
179699350,4rtkit-daemon1795-21rtkit-daemon11:19:501
179699350,4rtkit-daemon0-21swapper/009:55:211
179699350,3rtkit-daemon0-21swapper/011:49:391
30992682340,6sleep03099277-21ssh12:24:180
179699340,4rtkit-daemon1795-21rtkit-daemon09:23:031
179699340,4rtkit-daemon1795-21rtkit-daemon07:25:140
179699340,3rtkit-daemon1795-21rtkit-daemon08:55:160
179699340,3rtkit-daemon0-21swapper/110:17:040
179699340,3rtkit-daemon0-21swapper/110:08:570
179699340,3rtkit-daemon0-21swapper/107:57:200
179699340,3rtkit-daemon0-21swapper/012:29:281
30748132330,1sleep00-21swapper/011:51:110
2900973993330,2cyclictest17150irq/131-xhci_hc09:52:071
179699330,4rtkit-daemon1795-21rtkit-daemon07:39:351
179699330,3rtkit-daemon0-21swapper/109:30:160
179699330,3rtkit-daemon0-21swapper/011:56:271
179699330,3rtkit-daemon0-21swapper/011:46:330
179699330,3rtkit-daemon0-21swapper/009:02:560
179699330,29rtkit-daemon13-21ksoftirqd/012:05:000
179699320,5rtkit-daemon3094981-21ssh12:18:350
179699320,4rtkit-daemon1795-21rtkit-daemon10:23:561
179699320,3rtkit-daemon0-21swapper/112:06:250
179699320,3rtkit-daemon0-21swapper/008:19:101
179699320,1rtkit-daemon1795-21rtkit-daemon09:47:080
2900967993126,3cyclictest893-21snmpd11:24:470
2900967993115,10cyclictest2903620-21apt-get07:15:150
179699310,4rtkit-daemon1795-21rtkit-daemon11:15:140
179699310,4rtkit-daemon1795-21rtkit-daemon09:41:591
179699310,3rtkit-daemon1795-21rtkit-daemon11:07:041
179699310,3rtkit-daemon1795-21rtkit-daemon10:02:150
179699310,3rtkit-daemon1795-21rtkit-daemon08:50:500
179699310,3rtkit-daemon1795-21rtkit-daemon08:43:490
179699310,3rtkit-daemon0-21swapper/110:51:010
179699310,3rtkit-daemon0-21swapper/110:39:140
179699310,3rtkit-daemon0-21swapper/110:13:380
179699310,3rtkit-daemon0-21swapper/110:13:370
179699310,3rtkit-daemon0-21swapper/107:54:250
179699310,3rtkit-daemon0-21swapper/007:23:421
179699300,5rtkit-daemon1858-21sendmail-mta08:08:501
179699300,3rtkit-daemon1795-21rtkit-daemon10:29:321
179699300,3rtkit-daemon1795-21rtkit-daemon08:38:230
179699300,3rtkit-daemon0-21swapper/110:58:120
179699300,3rtkit-daemon0-21swapper/109:22:440
179699300,3rtkit-daemon0-21swapper/107:42:330
179699300,3rtkit-daemon0-21swapper/009:38:431
290097399296,4cyclictest3088861-1kworker/u9:112:13:381
179699290,4rtkit-daemon1795-21rtkit-daemon10:47:140
179699290,3rtkit-daemon1795-21rtkit-daemon08:48:510
179699290,3rtkit-daemon0-21swapper/112:10:470
179699290,3rtkit-daemon0-21swapper/111:07:250
179699290,3rtkit-daemon0-21swapper/009:14:111
179699290,3rtkit-daemon0-21swapper/009:01:151
179699280,3rtkit-daemon0-21swapper/108:22:370
179699280,3rtkit-daemon0-21swapper/107:34:360
290096799270,6cyclictest0-21swapper/011:33:320
179699270,3rtkit-daemon0-21swapper/109:25:540
179699270,3rtkit-daemon0-21swapper/107:36:360
179699270,22rtkit-daemon2900963-21cyclictest10:01:031
290097399261,7cyclictest3088861-1kworker/u9:112:15:141
290097399260,6cyclictest0-21swapper/108:48:201
179699260,1rtkit-daemon1795-21rtkit-daemon09:43:240
179699260,1rtkit-daemon1795-21rtkit-daemon09:08:520
290097399250,6cyclictest0-21swapper/107:51:361
179699250,21rtkit-daemon893-21snmpd07:27:141
179699250,20rtkit-daemon2900963-21cyclictest09:08:041
179699250,1rtkit-daemon1795-21rtkit-daemon08:24:101
290097399249,10cyclictest2960933-21apt-get09:25:111
290097399240,6cyclictest0-21swapper/108:26:371
290096799242,17cyclictest3053785-21apt-get11:25:130
179699240,1rtkit-daemon1795-21rtkit-daemon11:22:201
290097399239,2cyclictest141rcu_preempt12:24:141
2900973992311,8cyclictest2901303-21df_inode07:10:171
2900967992312,6cyclictest66950irq/132-enp2s011:55:160
179699230,4rtkit-daemon0-21swapper/108:04:571
179699230,1rtkit-daemon1795-21rtkit-daemon07:23:280
179699230,1rtkit-daemon1795-21rtkit-daemon07:12:550
290097399229,9cyclictest854-21ntpd11:30:211
290097399226,2cyclictest141rcu_preempt09:15:221
290097399225,16cyclictest3072802-21apt-config11:50:021
290097399222,14cyclictest2913471-21apt-get07:40:121
2900973992216,4cyclictest3054712-21wc11:25:231
290097399220,8cyclictest3024868-21ssh10:46:161
290097399220,5cyclictest3107844-21fschecks_time12:35:171
290096799222,14cyclictest3061265-21apt-get11:35:100
290096799222,13cyclictest3019194-21apt-get10:40:130
2900967992212,8cyclictest1378948-21snapd08:31:170
290096799221,15cyclictest2923237-21apt-get08:05:140
2900967992210,8cyclictest66950irq/132-enp2s011:00:130
179699220,3rtkit-daemon1795-21rtkit-daemon10:21:010
179699220,1rtkit-daemon1795-21rtkit-daemon08:16:580
179699220,14rtkit-daemon0-21swapper/111:04:011
290097399213,10cyclictest3103663-21apt-get12:30:131
290097399212,13cyclictest2933418-21apt-get08:30:121
290097399210,5cyclictest0-21swapper/112:00:061
290097399210,19cyclictest3019566-21ssh10:40:171
290096799213,10cyclictest2969045-21apt-get09:35:090
290097399203,9cyclictest2925598-21apt-get08:10:131
290097399202,2cyclictest26-21ksoftirqd/111:40:571
290097399202,17cyclictest2948858-21diskmemload11:35:331
290097399200,5cyclictest2992187-21ssh10:05:091
290096799203,10cyclictest2921288-21apt-get08:00:110
179699200,6rtkit-daemon3065205-21apt-get11:40:120
290097399197,10cyclictest2937136-21sendmail08:40:001
290097399192,1cyclictest0-21swapper/108:45:011
2900973991914,3cyclictest2979589-21sh09:48:191
290097399190,9cyclictest2903021-21munin-node07:15:021
290096799193,10cyclictest2915420-21apt-get07:45:140
290096799192,10cyclictest2925014-21python308:10:020
290096799191,13cyclictest3042231-21apt-get11:10:130
290096799190,9cyclictest3105193-21ssh12:30:480
290096799190,17cyclictest3007978-21ssh10:25:170
290097399188,7cyclictest2943178-21basename08:55:121
290097399187,10cyclictest26-21ksoftirqd/107:30:221
2900967991810,6cyclictest2931807-21tune2fs08:25:170
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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