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2025-06-16 - 15:15
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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 Jun 16, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32813642273190,20sleep10-21swapper/119:06:101
32816872258190,53sleep00-21swapper/019:09:380
328182399111106,3cyclictest3422315-21kworker/u8:023:38:430
3281827998880,6cyclictest3440766-21fwupd23:38:431
33339492700,4sleep10-21swapper/121:14:471
328182399653,41cyclictest3310454-21apt-get20:20:130
328182399642,43cyclictest3298557-21appstreamcli19:50:050
328182399642,42cyclictest3452535-21apt-get23:55:180
328182399632,42cyclictest3408630-21apt-get22:55:180
328182399623,41cyclictest3401402-21apt-get22:45:150
328182399612,36cyclictest3349149-21apt-get21:35:160
328182399592,40cyclictest3281982-21apt-get19:10:170
328182399551,34cyclictest3302109-21sshd19:56:560
3281823995513,26cyclictest3366830-21sh21:57:540
3281823995512,24cyclictest3385319-21sh22:23:190
328182399550,8cyclictest3444955-21ssh23:44:530
328182399540,5cyclictest3330215-21diskmemload00:02:330
328182399540,3cyclictest3369080-21sensors_temp22:00:250
328182399531,5cyclictest3428052-21/usr/sbin/munin23:20:300
3281823995311,23cyclictest3330222-21latency_hist21:10:000
328182399522,9cyclictest3407759-1kworker/u9:223:10:170
3281823995211,29cyclictest3461503-21sh00:06:210
328182399518,24cyclictest3449471-21latency23:50:230
3281823995110,30cyclictest3423289-21/usr/sbin/munin23:15:240
328182399510,9cyclictest3323615-21taskset20:51:560
328182399510,8cyclictest3392374-21ssh22:31:370
125899510,4rtkit-daemon1257-21rtkit-daemon21:27:530
125899510,4rtkit-daemon1257-21rtkit-daemon20:24:211
125899510,4rtkit-daemon1257-21rtkit-daemon20:00:111
328182399509,27cyclictest3295652-21seq19:40:570
328182399501,9cyclictest3308079-21seq20:13:020
328182399501,4cyclictest3379087-21apt-get22:15:110
328182399500,7cyclictest3415645-21ssh23:04:410
125899500,4rtkit-daemon1257-21rtkit-daemon19:28:361
33940252490,6sleep10-21swapper/122:35:061
328182399495,31cyclictest0-21swapper/000:21:130
328182399491,7cyclictest3467274-21expr00:15:170
328182399491,6cyclictest3484428-21ssh00:37:200
328182399491,4cyclictest3348639-21ssh21:34:290
328182399490,8cyclictest3314521-21ls20:30:150
328182399490,8cyclictest3306101-21taskset20:07:420
125899490,4rtkit-daemon1257-21rtkit-daemon22:27:270
328182399481,6cyclictest3374666-21ssh22:09:130
328182399480,9cyclictest3417940-21ssh23:06:340
328182399480,9cyclictest3399788-21ssh22:42:110
328182399480,9cyclictest3328090-21seq21:03:210
328182399480,8cyclictest3477034-21chrt00:28:200
328182399480,6cyclictest3436662-21ssh23:32:510
125899480,4rtkit-daemon1257-21rtkit-daemon23:45:350
125899480,4rtkit-daemon1257-21rtkit-daemon22:36:040
328182399471,4cyclictest3352963-21apt-get21:40:150
328182399470,8cyclictest3465300-21ssh00:11:530
328182399470,8cyclictest3336692-21ssh21:17:300
328182399470,7cyclictest3433756-21ssh23:29:300
328182399470,7cyclictest3405087-21ssh22:50:100
328182399470,5cyclictest3377986-21ssh22:13:130
328182399470,3cyclictest3360404-21df21:50:180
328182399470,2cyclictest3477980-21ssh00:30:030
125899470,4rtkit-daemon1257-21rtkit-daemon23:43:551
328182399467,23cyclictest0-21swapper/019:26:010
328182399466,25cyclictest3330215-21diskmemload21:12:320
328182399460,8cyclictest3316496-21cat20:35:170
328182399460,7cyclictest3309618-21cat20:15:260
328182399453,3cyclictest3287045-21sed19:20:200
328182399450,8cyclictest3324445-40apt-check20:55:030
328182399450,6cyclictest3356413-21ssh21:45:020
328182399450,6cyclictest3320221-21/usr/sbin/munin20:45:180
328182399450,4cyclictest3339753-21ssh21:20:590
328182399450,4cyclictest3292329-21apt-get19:35:130
125899450,29rtkit-daemon33586882sleep121:47:201
328182399440,4cyclictest3296249-21apt-get19:45:130
328182399440,3cyclictest3285268-21ntp_states19:15:220
328182399431,3cyclictest3313720-21taskset20:25:360
328182399430,3cyclictest3318592-21perl20:40:190
328182399420,3cyclictest3303146-21irqstats20:00:190
328182399400,3cyclictest3290434-21cpuspeed19:30:150
125899390,3rtkit-daemon0-21swapper/123:27:431
125899380,4rtkit-daemon1257-21rtkit-daemon20:05:191
125899370,3rtkit-daemon0-21swapper/022:57:581
125899360,3rtkit-daemon0-21swapper/021:36:361
125899350,3rtkit-daemon0-21swapper/021:26:551
125899340,4rtkit-daemon3369557-21ssh22:00:541
125899340,3rtkit-daemon0-21swapper/022:29:131
125899340,3rtkit-daemon0-21swapper/020:33:111
125899330,3rtkit-daemon0-21swapper/022:48:531
125899330,3rtkit-daemon0-21swapper/021:21:231
125899330,3rtkit-daemon0-21swapper/020:55:311
125899330,3rtkit-daemon0-21swapper/020:49:391
125899330,3rtkit-daemon0-21swapper/019:44:511
125899330,3rtkit-daemon0-21swapper/019:10:111
125899330,3rtkit-daemon0-21swapper/000:21:191
125899320,3rtkit-daemon0-21swapper/023:56:381
125899320,3rtkit-daemon0-21swapper/023:05:531
125899320,3rtkit-daemon0-21swapper/021:01:001
125899320,3rtkit-daemon0-21swapper/000:14:161
125899310,3rtkit-daemon0-21swapper/022:20:231
125899310,3rtkit-daemon0-21swapper/019:22:401
125899310,3rtkit-daemon0-21swapper/000:33:351
3281827993010,15cyclictest26-21ksoftirqd/100:35:111
125899300,3rtkit-daemon0-21swapper/023:19:531
125899300,3rtkit-daemon0-21swapper/000:17:551
328182799299,15cyclictest26-21ksoftirqd/100:25:191
328182799291,23cyclictest3298702-21apt-get19:50:201
125899290,4rtkit-daemon1257-21rtkit-daemon23:21:531
125899290,3rtkit-daemon0-21swapper/019:47:211
125899290,3rtkit-daemon0-21swapper/000:08:081
125899290,23rtkit-daemon3281817-21cyclictest21:18:201
125899280,3rtkit-daemon0-21swapper/021:56:091
125899270,3rtkit-daemon1257-21rtkit-daemon21:42:571
125899270,1rtkit-daemon1257-21rtkit-daemon19:31:561
3281827992617,5cyclictest26-21ksoftirqd/122:30:021
125899260,21rtkit-daemon849-21snmpd21:53:531
125899260,1rtkit-daemon1257-21rtkit-daemon20:18:341
328182799252,16cyclictest3405155-21apt-get22:50:211
328182799252,15cyclictest3312405-21apt-get20:25:151
3281827992513,7cyclictest63750irq/132-enp2s022:10:151
3281827992512,8cyclictest3456275-21apt-get00:00:181
328182799250,7cyclictest63750irq/132-enp2s021:30:221
3281827992412,7cyclictest63750irq/132-enp2s023:00:161
328182799240,14cyclictest828-21runrttasks20:50:131
328182799232,6cyclictest3371602-21apt-get22:05:141
3281827992311,7cyclictest63750irq/132-enp2s023:45:181
328182799230,6cyclictest0-21swapper/121:08:531
328182799230,5cyclictest0-21swapper/120:38:171
125899230,14rtkit-daemon0-21swapper/123:31:101
328182799229,9cyclictest3300862-21df19:55:151
328182799227,5cyclictest0-21swapper/123:14:191
328182799224,2cyclictest141rcu_preempt19:20:011
3281827992216,4cyclictest3294073-21turbostat19:40:001
3281827992210,10cyclictest26-21ksoftirqd/123:50:281
328182799220,5cyclictest0-21swapper/122:42:571
328182799220,20cyclictest3308292-21munin-run20:15:001
3281827992015,3cyclictest3380347-21unixbench_multi22:15:231
328182799190,2cyclictest3320037-21perf20:45:001
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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