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2025-08-29 - 02:06
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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 50 highest latencies:
System rack3slot0.osadl.org (updated Fri Aug 29, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55712810,0sleep30-21swapper/323:55:323
103312800,0sleep7721ktimersoftd/700:21:157
162432580,0sleep10-21swapper/123:53:291
3064125530,9sleep30-21swapper/318:52:533
3079824825,9sleep60-21swapper/618:54:576
151312480,2sleep63121899cyclictest00:21:466
37382470,0sleep20-21swapper/223:25:112
154742470,1sleep015470-21sshd22:09:570
29052460,0sleep20-21swapper/221:33:312
58632450,1sleep65408-21sshd22:52:486
108392450,0sleep20-21swapper/200:21:182
46862440,0sleep20-21swapper/222:38:582
178802440,0sleep70-21swapper/721:59:157
254672430,0sleep70-21swapper/723:08:027
187212430,0sleep20-21swapper/223:59:552
37742420,0sleep30-21swapper/322:41:473
318952420,0sleep50-21swapper/522:05:535
3068624229,9sleep70-21swapper/718:53:297
300112420,0sleep70-21swapper/700:26:517
288822420,0sleep20-21swapper/223:46:182
254512420,0sleep70-21swapper/722:18:457
163542420,0sleep20-21swapper/223:18:062
160532420,0sleep20-21swapper/221:45:402
38642410,0sleep30-21swapper/322:11:443
3083724129,8sleep50-21swapper/518:55:285
3064924129,8sleep20-21swapper/218:53:002
240142410,0sleep724013-21systemd-cgroups00:09:217
188792410,0sleep10-21swapper/122:53:551
131432410,0sleep50-21swapper/522:45:185
95772400,0sleep10-21swapper/122:09:261
79142400,0sleep10-21swapper/121:42:191
3075124027,9sleep40-21swapper/418:54:224
3070624027,9sleep00-21swapper/018:53:460
258792390,0sleep30-21swapper/321:38:123
255502390,0sleep20-21swapper/221:54:292
3063923825,9sleep10-21swapper/118:52:511
265022380,0sleep00-21swapper/000:09:380
170112380,2sleep63121899cyclictest21:56:336
45382370,0sleep30-21swapper/321:25:393
6612330,2sleep73122099cyclictest23:58:087
3119899220,5cyclictest711-21dbus-daemon22:46:074
3119899213,5cyclictest711-21dbus-daemon00:14:084
31220992014,5cyclictest25906-21sshd23:32:307
3122099200,16cyclictest3388-21sshd00:17:047
3119899204,3cyclictest18345-21sshd22:53:524
3119899203,5cyclictest13497-21sshd00:24:554
3119899203,2cyclictest10111-21sshd22:47:454
3119899202,2cyclictest32208-21bash23:54:594
3121899190,17cyclictest711-21dbus-daemon21:23:126
3119899194,5cyclictest8029-21sshd21:20:304
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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