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2026-03-21 - 11:46
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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 Sat Mar 21, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22637752262180,19sleep10-21swapper/119:08:251
22626172260193,52sleep00-21swapper/019:05:210
23815342740,4sleep00-21swapper/022:45:000
179699620,4rtkit-daemon1795-21rtkit-daemon21:40:021
179699560,4rtkit-daemon1795-21rtkit-daemon22:35:001
24508762550,4sleep00-21swapper/000:24:180
179699540,4rtkit-daemon1795-21rtkit-daemon19:47:241
179699540,4rtkit-daemon1795-21rtkit-daemon00:33:181
179699530,4rtkit-daemon1795-21rtkit-daemon00:13:060
179699510,4rtkit-daemon1795-21rtkit-daemon19:38:071
179699510,3rtkit-daemon0-21swapper/020:26:160
179699500,3rtkit-daemon1795-21rtkit-daemon19:17:100
179699500,1rtkit-daemon1795-21rtkit-daemon00:29:510
179699490,3rtkit-daemon1795-21rtkit-daemon00:00:530
179699480,4rtkit-daemon1795-21rtkit-daemon21:08:220
179699460,6rtkit-daemon2297163-21/usr/sbin/munin20:30:201
179699460,3rtkit-daemon1795-21rtkit-daemon22:58:110
179699440,4rtkit-daemon1795-21rtkit-daemon22:24:251
179699440,3rtkit-daemon1795-21rtkit-daemon19:29:190
179699440,3rtkit-daemon0-21swapper/119:56:011
179699430,1rtkit-daemon1795-21rtkit-daemon21:36:210
24345942420,2sleep00-21swapper/000:00:000
179699420,5rtkit-daemon2451431-21apt-get00:25:121
179699410,4rtkit-daemon1795-21rtkit-daemon19:52:171
179699410,4rtkit-daemon0-21swapper/022:57:141
179699410,3rtkit-daemon1795-21rtkit-daemon22:15:291
179699410,3rtkit-daemon0-21swapper/000:12:591
179699400,3rtkit-daemon0-21swapper/023:18:550
179699400,3rtkit-daemon0-21swapper/023:09:251
179699400,3rtkit-daemon0-21swapper/019:28:041
179699400,3rtkit-daemon0-21swapper/000:20:181
179699390,4rtkit-daemon1795-21rtkit-daemon22:09:441
179699390,4rtkit-daemon1795-21rtkit-daemon19:42:461
179699380,4rtkit-daemon2377283-21ssh22:38:241
179699380,4rtkit-daemon1795-21rtkit-daemon21:33:541
179699380,4rtkit-daemon1795-21rtkit-daemon21:26:211
179699380,4rtkit-daemon1795-21rtkit-daemon21:16:381
179699380,3rtkit-daemon1795-21rtkit-daemon21:14:211
179699380,3rtkit-daemon0-21swapper/023:23:531
179699380,3rtkit-daemon0-21swapper/021:52:221
179699380,3rtkit-daemon0-21swapper/020:24:301
179699380,3rtkit-daemon0-21swapper/020:07:431
179699380,3rtkit-daemon0-21swapper/000:34:510
179699370,3rtkit-daemon0-21swapper/019:24:130
179699360,5rtkit-daemon2285251-21irqstats20:00:181
179699360,4rtkit-daemon1795-21rtkit-daemon20:15:560
179699360,4rtkit-daemon13-21ksoftirqd/021:46:060
179699360,3rtkit-daemon0-21swapper/023:05:350
179699360,3rtkit-daemon0-21swapper/020:58:481
179699360,3rtkit-daemon0-21swapper/019:24:341
179699350,3rtkit-daemon0-21swapper/020:46:541
179699350,3rtkit-daemon0-21swapper/019:18:071
179699350,3rtkit-daemon0-21swapper/000:04:371
179699350,1rtkit-daemon1795-21rtkit-daemon21:36:531
179699340,1rtkit-daemon1795-21rtkit-daemon19:11:271
179699330,3rtkit-daemon0-21swapper/020:07:070
23733652320,4sleep00-21swapper/022:32:420
179699320,4rtkit-daemon1795-21rtkit-daemon20:51:470
179699320,3rtkit-daemon0-21swapper/119:12:010
179699320,1rtkit-daemon1795-21rtkit-daemon22:47:251
179699310,3rtkit-daemon1795-21rtkit-daemon23:28:320
179699310,3rtkit-daemon1795-21rtkit-daemon21:02:110
179699310,3rtkit-daemon1795-21rtkit-daemon20:47:020
179699310,3rtkit-daemon1795-21rtkit-daemon00:17:210
179699310,1rtkit-daemon1795-21rtkit-daemon19:30:591
226404399301,15cyclictest2312426-21diskmemload23:50:491
226404399301,14cyclictest2312426-21diskmemload00:35:171
179699300,3rtkit-daemon0-21swapper/023:22:000
226404399298,14cyclictest2298410-21apt-get20:35:141
226404399295,8cyclictest0-21swapper/121:00:201
2264043992924,3cyclictest2369958-21chrt22:29:001
226404399291,14cyclictest2312426-21diskmemload23:37:391
226404399291,14cyclictest2312426-21diskmemload23:02:091
226404399291,14cyclictest2312426-21diskmemload21:20:431
226404399281,14cyclictest2312426-21diskmemload21:45:321
226403999280,6cyclictest0-21swapper/021:33:300
23952632270,7sleep00-21swapper/023:04:150
226404399275,12cyclictest26-21ksoftirqd/100:05:431
226404399270,9cyclictest2312426-21diskmemload23:12:361
2264039992724,2cyclictest66950irq/132-enp2s023:54:510
179699270,4rtkit-daemon1795-21rtkit-daemon22:05:240
179699270,1rtkit-daemon1795-21rtkit-daemon21:50:280
226404399261,8cyclictest2312426-21diskmemload23:18:001
226404399261,7cyclictest2312426-21diskmemload23:55:221
226404399261,7cyclictest2312426-21diskmemload22:42:301
226403999261,12cyclictest2417125-21taskset23:35:130
23583292250,4sleep00-21swapper/022:11:230
226404399251,6cyclictest2312426-21diskmemload23:40:181
2264043992511,8cyclictest2424305-21apt-get23:45:141
226403999252,16cyclictest2439147-21apt-get00:05:140
2264039992513,6cyclictest66950irq/132-enp2s022:25:120
24150822240,4sleep10-21swapper/123:30:371
226404399242,16cyclictest2304277-21apt-get20:50:121
226404399241,6cyclictest2312426-21diskmemload22:00:081
226404399241,5cyclictest2312426-21diskmemload21:59:091
2264039992418,3cyclictest2424052-21grep23:45:000
2264039992411,7cyclictest66950irq/132-enp2s022:45:120
226404399232,14cyclictest2290584-21apt-get20:15:131
226404399231,5cyclictest2312426-21diskmemload23:25:101
226404399230,3cyclictest141rcu_preempt20:44:031
2264039992311,7cyclictest66950irq/132-enp2s022:35:130
2264043992215,5cyclictest26-21ksoftirqd/122:10:021
226404399220,2cyclictest141rcu_preempt22:50:201
226403999229,8cyclictest2349025-21apt-get22:00:140
226403999227,5cyclictest0-21swapper/022:54:040
226403999227,5cyclictest0-21swapper/022:16:020
226403999227,13cyclictest13-21ksoftirqd/023:12:260
226403999223,11cyclictest2334787-21apt-get21:40:120
226403999222,14cyclictest2458943-21apt-get00:35:120
226403999222,14cyclictest2320214-21apt-get21:20:120
2264039992216,4cyclictest2290386-21ls20:15:010
179699220,1rtkit-daemon1795-21rtkit-daemon20:56:480
226404399214,10cyclictest2288634-21apt-get20:10:121
226404399213,11cyclictest2294506-21apt-get20:25:141
226403999217,8cyclictest2323601-21apt-get21:25:110
226403999213,4cyclictest2316456-21apt-get21:15:110
226403999213,11cyclictest2424305-21apt-get23:45:140
226403999213,11cyclictest2345508-21apt-get21:55:110
226403999211,14cyclictest2280796-21/usr/sbin/munin19:50:250
179699210,14rtkit-daemon0-21swapper/020:20:260
2264043992013,5cyclictest763-21dbus-daemon21:10:001
226403999209,7cyclictest66950irq/132-enp2s022:20:120
226403999202,13cyclictest2298390-21/usr/sbin/munin20:35:260
2264039992010,6cyclictest0-21swapper/021:10:140
226403999200,18cyclictest2276691-21sh19:39:590
2264043991910,5cyclictest2312426-21diskmemload00:18:571
226403999199,8cyclictest2286293-21seq20:03:070
226403999192,12cyclictest2272385-21apt-get19:30:070
2264039991914,3cyclictest2276901-21acpi19:40:110
226403999190,9cyclictest2413579-21ssh23:30:020
226403999190,17cyclictest13-21ksoftirqd/020:40:240
226403999186,10cyclictest2283084-21fschecks_time19:55:170
2264039991811,5cyclictest781-21gdbus20:35:010
226403999177,8cyclictest2279041-21expr19:45:140
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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