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2026-05-04 - 18:48
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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 100 highest latencies:
System rack2slot0.osadl.org (updated Mon May 04, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13232980,2sleep32887699cyclictest12:10:523
11662770,1sleep32887699cyclictest11:20:213
12442740,0sleep30-21swapper/309:52:413
171882600,1sleep017183-21sshd11:35:480
300382590,9sleep375750irq/24-eno1-rx-10:24:003
250602550,0sleep325054-21lspci10:03:473
229052540,0sleep30-21swapper/311:36:193
22442540,1sleep02241-21sshd10:44:050
96942530,0sleep20-21swapper/209:43:232
274882530,0sleep10-21swapper/111:05:491
180132530,1sleep210415-21kworker/2:109:26:162
127532530,0sleep10-21swapper/112:31:311
181792520,1sleep118173-21sshd09:34:171
272992510,1sleep3391rcuc/310:57:263
14172500,0sleep2311rcuc/209:58:442
86532490,0sleep30-21swapper/312:31:103
121862490,0sleep00-21swapper/011:57:510
121862490,0sleep00-21swapper/011:57:500
9562480,0sleep20-21swapper/210:46:422
237092480,0sleep0111rcuc/012:24:060
181892480,0sleep10-21swapper/111:38:451
294702460,0sleep10-21swapper/107:10:131
284162460,0sleep20-21swapper/211:53:392
202332420,2sleep175850irq/25-eno1-tx-10:31:321
2863123934,3sleep20-21swapper/207:08:312
284972319,7sleep10-21swapper/107:06:501
315222300,0sleep30-21swapper/312:02:193
315222300,0sleep30-21swapper/312:02:183
284302298,7sleep30-21swapper/307:05:593
237042220,0sleep02885999cyclictest12:10:050
167932220,0sleep20-21swapper/211:35:462
2870822110,7sleep00-21swapper/007:09:300
242602210,1sleep3674-21dbus-daemon12:21:173
199902180,1sleep11026-21sshd09:54:321
28863991717,0cyclictest241ktimersoftd/108:00:081
28863991716,0cyclictest241ktimersoftd/109:47:031
28863991716,0cyclictest241ktimersoftd/109:47:021
250502170,1sleep0674-21dbus-daemon12:04:360
250502170,1sleep0674-21dbus-daemon12:04:350
21132170,1sleep0111rcuc/009:16:170
173942170,1sleep017376-21sshd12:06:400
173942170,1sleep017376-21sshd12:06:390
58852160,0sleep30-21swapper/311:26:253
32102160,1sleep13209-21sshd09:12:291
28876991615,0cyclictest5478-21lspci11:17:593
28863991615,0cyclictest23389-21kworker/1:109:44:481
199402160,0sleep10-21swapper/111:52:551
34382150,0sleep30-21swapper/310:16:003
28876991514,0cyclictest7272-21lspci09:36:173
28876991514,0cyclictest401ktimersoftd/309:46:133
28876991514,0cyclictest401ktimersoftd/309:46:123
28876991514,0cyclictest10960-21lspci10:42:003
2887699150,14cyclictest649-21polkitd11:49:383
28863991515,0cyclictest241ktimersoftd/110:47:071
28863991515,0cyclictest241ktimersoftd/107:58:391
28863991514,1cyclictest23335-21kworker/1:009:15:401
28863991514,0cyclictest241ktimersoftd/111:49:211
2887699143,1cyclictest41-21ksoftirqd/311:34:423
2886999140,1cyclictest0-21swapper/210:59:552
2886399144,1cyclictest25-21ksoftirqd/110:58:451
28863991414,0cyclictest15051-21kworker/1:309:38:111
28863991413,0cyclictest31654-21kworker/1:109:21:021
28863991413,0cyclictest27923-21kworker/1:411:23:561
2885999144,2cyclictest9-21ksoftirqd/009:39:470
224442140,0sleep10-21swapper/112:18:221
178432140,0sleep20-21swapper/210:22:552
50632130,0sleep00-21swapper/011:20:420
44062130,0sleep341-21ksoftirqd/308:45:173
323662130,0sleep232273-21sshd11:45:312
2887699135,3cyclictest41-21ksoftirqd/312:29:333
28876991312,0cyclictest23589-21lspci10:34:423
28876991312,0cyclictest21492-21lspci10:26:013
2887699130,1cyclictest710-21NetworkManager10:48:173
2887699130,11cyclictest0-21swapper/311:54:073
28869991311,1cyclictest0-21swapper/211:26:342
28863991313,0cyclictest19288-21kworker/1:310:14:451
28863991312,0cyclictest7174-21kworker/1:107:35:171
2885999135,1cyclictest9-21ksoftirqd/012:30:290
2885999134,3cyclictest9-21ksoftirqd/009:33:170
2885999134,2cyclictest9-21ksoftirqd/010:57:470
2885999133,1cyclictest9-21ksoftirqd/010:12:090
2885999132,1cyclictest9-21ksoftirqd/012:36:350
2885999130,12cyclictest649-21polkitd10:48:180
264442130,0sleep00-21swapper/009:23:220
20872130,0sleep00-21swapper/011:17:410
2887699123,3cyclictest41-21ksoftirqd/309:56:393
2887699120,11cyclictest29979-21gdbus12:37:183
2886999126,1cyclictest674-21dbus-daemon10:41:082
2886999125,2cyclictest660-21avahi-daemon12:33:142
28869991210,1cyclictest1580-21sshd10:04:352
2886999120,1cyclictest7885-21bash12:03:052
2886999120,1cyclictest7885-21bash12:03:042
2886999120,1cyclictest1435-21sshd11:00:442
2886999120,11cyclictest27929-21sshd09:19:352
28863991212,0cyclictest21472-21kworker/1:108:11:221
28863991211,0cyclictest1024-21kworker/1:207:30:061
28863991210,1cyclictest13879-21sshd12:20:211
28863991210,1cyclictest0-21swapper/110:07:011
2886399120,1cyclictest1-21systemd10:30:001
2886399120,1cyclictest0-21swapper/111:27:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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