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2025-06-19 - 00:29
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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 Wed Jun 18, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25603192324281,28sleep10-21swapper/107:06:111
25605552275233,27sleep00-21swapper/007:08:420
256079199136130,4cyclictest2591650-21kworker/u8:008:48:261
2560788996961,6cyclictest2601639-21fwupd08:48:250
256079199569,31cyclictest2649931-21diskmemload10:00:241
2560788995533,19cyclictest2649928-21grep10:00:240
125899520,6rtkit-daemon2760102-21memory12:25:210
125899510,4rtkit-daemon1257-21rtkit-daemon11:34:221
125899510,4rtkit-daemon1257-21rtkit-daemon07:48:151
26453002500,4sleep10-21swapper/109:55:171
256079199502,9cyclictest2680274-21apt-get10:40:151
256079199494,7cyclictest2661014-21apt-get10:15:151
256079199483,6cyclictest2672680-21apt-get10:30:151
256079199482,7cyclictest2641207-21apt-get09:50:161
125899470,4rtkit-daemon1257-21rtkit-daemon11:21:360
125899450,3rtkit-daemon0-21swapper/008:52:410
125899420,7rtkit-daemon1257-21rtkit-daemon12:30:131
2560791994011,6cyclictest26-21ksoftirqd/109:05:131
125899400,4rtkit-daemon1257-21rtkit-daemon10:18:190
256079199393,16cyclictest2718330-21latency_hist11:30:021
256079199393,15cyclictest2598105-21apt-get08:40:151
125899390,7rtkit-daemon287-20systemd-journal10:26:220
125899390,3rtkit-daemon0-21swapper/112:24:531
125899390,3rtkit-daemon0-21swapper/009:42:590
256079199382,9cyclictest2637263-21apt-get09:45:151
125899380,4rtkit-daemon1257-21rtkit-daemon10:57:301
125899380,3rtkit-daemon0-21swapper/109:30:101
256079199372,8cyclictest2613952-21apt-get09:15:151
125899370,4rtkit-daemon0-21swapper/112:05:331
125899370,3rtkit-daemon0-21swapper/012:38:290
125899370,3rtkit-daemon0-21swapper/011:47:511
256079199364,8cyclictest2633520-21apt-get09:40:151
256079199363,9cyclictest2703395-21apt-get11:10:161
256079199362,9cyclictest2687993-21apt-get10:50:141
256079199362,6cyclictest2722665-21apt-get11:35:151
125899360,4rtkit-daemon1257-21rtkit-daemon11:05:410
125899360,4rtkit-daemon1257-21rtkit-daemon11:05:410
125899360,4rtkit-daemon1257-21rtkit-daemon08:25:130
125899360,3rtkit-daemon0-21swapper/111:00:091
125899360,3rtkit-daemon0-21swapper/109:27:120
125899360,3rtkit-daemon0-21swapper/011:39:070
256079199359,8cyclictest2752652-21cat12:15:221
256079199359,6cyclictest2609637-21diskmemload10:27:441
256079199357,5cyclictest0-21swapper/112:11:081
256079199353,9cyclictest2596131-21apt-get08:35:151
256079199353,12cyclictest2676570-21apt-get10:35:161
256079199352,7cyclictest2733928-21apt-get11:50:151
256079199352,10cyclictest2602016-21apt-get08:50:121
2560791993510,5cyclictest2609637-21diskmemload11:58:021
125899350,4rtkit-daemon1257-21rtkit-daemon11:19:270
125899350,4rtkit-daemon1257-21rtkit-daemon11:12:040
125899350,4rtkit-daemon1257-21rtkit-daemon10:20:351
125899350,4rtkit-daemon1257-21rtkit-daemon08:08:110
125899350,3rtkit-daemon0-21swapper/011:19:461
125899350,3rtkit-daemon0-21swapper/008:32:391
125899350,31rtkit-daemon0-21swapper/012:12:210
256079199343,8cyclictest2621769-21apt-get09:25:141
256079199343,6cyclictest2653010-21apt-get10:05:221
125899340,4rtkit-daemon0-21swapper/109:32:050
125899340,3rtkit-daemon0-21swapper/107:56:170
125899340,3rtkit-daemon0-21swapper/009:21:161
125899340,3rtkit-daemon0-21swapper/008:18:020
125899340,2rtkit-daemon1257-21rtkit-daemon07:19:410
256079199332,6cyclictest2759453-21apt-get12:25:151
256079199331,12cyclictest2609893-21/usr/sbin/munin09:10:271
125899330,4rtkit-daemon1257-21rtkit-daemon11:25:370
125899330,4rtkit-daemon1257-21rtkit-daemon07:20:080
125899330,3rtkit-daemon0-21swapper/111:31:520
125899330,3rtkit-daemon0-21swapper/110:23:130
125899330,3rtkit-daemon0-21swapper/109:14:520
125899330,3rtkit-daemon0-21swapper/107:48:560
125899330,3rtkit-daemon0-21swapper/008:05:101
125899330,3rtkit-daemon0-21swapper/007:10:100
256079199329,5cyclictest2609637-21diskmemload11:40:221
256079199322,7cyclictest2741101-21apt-get12:00:131
256079199321,11cyclictest2565917-21/usr/sbin/munin07:20:291
125899320,4rtkit-daemon1257-21rtkit-daemon09:00:550
125899320,3rtkit-daemon1257-21rtkit-daemon08:10:380
125899320,3rtkit-daemon0-21swapper/110:49:490
125899320,3rtkit-daemon0-21swapper/107:43:400
125899320,3rtkit-daemon0-21swapper/007:17:181
256079199313,8cyclictest2710925-21apt-get11:20:141
256079199313,7cyclictest2605942-21apt-get09:00:181
125899310,4rtkit-daemon1257-21rtkit-daemon12:00:120
125899310,4rtkit-daemon1257-21rtkit-daemon11:45:170
125899310,4rtkit-daemon0-21swapper/112:22:020
125899310,3rtkit-daemon0-21swapper/112:07:180
125899310,3rtkit-daemon0-21swapper/109:07:480
125899310,3rtkit-daemon0-21swapper/012:35:261
125899310,3rtkit-daemon0-21swapper/007:37:491
125899300,3rtkit-daemon0-21swapper/107:51:360
125899300,3rtkit-daemon0-21swapper/009:38:531
256078899296,10cyclictest141rcu_preempt09:20:450
125899290,4rtkit-daemon1257-21rtkit-daemon08:16:261
125899290,3rtkit-daemon0-21swapper/110:35:080
125899290,3rtkit-daemon0-21swapper/007:27:061
2560788992813,9cyclictest2726422-21apt-get11:40:140
125899280,23rtkit-daemon2560781-21cyclictest10:13:201
125899280,1rtkit-daemon1257-21rtkit-daemon09:40:000
256078899272,17cyclictest2737416-21apt-get11:55:150
125899270,3rtkit-daemon0-21swapper/109:57:520
125899270,1rtkit-daemon1257-21rtkit-daemon11:52:000
256079199265,5cyclictest2581360-21unixbench_singl07:55:251
256079199261,7cyclictest2577501-21apt-get07:50:151
125899260,1rtkit-daemon1257-21rtkit-daemon07:31:090
256079199251,8cyclictest2603965-21apt-get08:55:121
256078899254,2cyclictest141rcu_preempt12:35:010
256078899251,12cyclictest2676283-21perf10:35:000
125899250,1rtkit-daemon1257-21rtkit-daemon10:48:441
256079199249,5cyclictest0-21swapper/111:05:581
256079199249,5cyclictest0-21swapper/111:05:581
256078899249,10cyclictest2682579-1kworker/u9:110:55:140
256078899242,15cyclictest2656888-21apt-get10:10:160
125899240,1rtkit-daemon1257-21rtkit-daemon08:35:060
125899240,1rtkit-daemon1257-21rtkit-daemon08:30:020
256078899237,11cyclictest2590280-21apt-get08:20:150
125899230,4rtkit-daemon1257-21rtkit-daemon10:44:050
2560791992217,3cyclictest2582663-21df08:00:191
256079199220,6cyclictest0-21swapper/108:10:381
256078899227,9cyclictest2649632-1kworker/u9:110:05:190
256078899212,14cyclictest2567882-21apt-get07:25:150
256078899212,13cyclictest2751972-21apt-get12:15:170
256079199200,18cyclictest2570147-21fschecks_time07:30:191
256078899202,13cyclictest2571784-21apt-get07:35:160
2560788992014,4cyclictest2614384-21grep09:15:180
256078899201,14cyclictest2582464-21apt-get08:00:170
125899200,12rtkit-daemon0-21swapper/107:40:031
2560791991910,7cyclictest2593008-21awk08:25:221
256078899199,8cyclictest2604564-21memory08:55:180
2560788991915,2cyclictest2640943-21turbostat09:50:000
2560788991912,5cyclictest2644231-21seq09:53:520
2560788991912,4cyclictest2688307-21fschecks_time10:50:180
2560791991813,3cyclictest2590260-21/usr/sbin/munin08:20:241
2560791991813,3cyclictest2561012-21cpuspeed07:10:171
256078899189,7cyclictest2598870-21ntp_states08:40:230
2560788991813,3cyclictest2697549-21rm11:01:430
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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