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2024-06-17 - 15:01
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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 Mon Jun 17, 2024 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
288822780,2sleep72825599cyclictest11:41:297
172542700,1sleep6641ktimersoftd/611:09:016
2791426027,19sleep30-21swapper/307:04:263
284942580,0sleep20-21swapper/211:22:102
2777225428,9sleep40-21swapper/407:02:274
2805025226,21sleep50-21swapper/507:06:215
68252500,0sleep60-21swapper/611:34:486
2785325026,9sleep00-21swapper/007:03:350
35072470,0sleep7721ktimersoftd/712:21:427
157262470,1sleep215729-21kworker/u16:210:26:522
72582460,1sleep57259-21bash11:19:335
215272450,1sleep421525-21grepconf.sh10:15:574
31292440,0sleep00-21swapper/012:10:460
294012440,0sleep60-21swapper/609:25:066
294012440,0sleep60-21swapper/609:25:066
275222440,0sleep60-21swapper/612:06:276
78202430,0sleep40-21swapper/412:07:374
69222430,0sleep30-21swapper/309:47:373
312812430,0sleep00-21swapper/011:22:240
2795824332,8sleep20-21swapper/207:05:052
172232430,0sleep70-21swapper/712:15:497
312922420,0sleep60-21swapper/609:54:136
2780224229,9sleep70-21swapper/707:02:547
265052420,0sleep70-21swapper/709:38:447
110382420,0sleep611039-21systemd-cgroups10:07:026
9752410,0sleep40-21swapper/408:11:534
2789524129,8sleep60-21swapper/607:04:136
140682410,0sleep30-21swapper/311:31:403
111542410,0sleep70-21swapper/711:23:527
295512400,0sleep00-21swapper/010:28:190
2778724028,9sleep10-21swapper/107:02:401
235312400,0sleep40-21swapper/411:09:474
8012390,3sleep22823199cyclictest11:03:202
191952380,0sleep10-21swapper/111:21:131
273042370,0sleep00-21swapper/011:37:060
139992370,0sleep30-21swapper/312:30:273
17562350,0sleep20-21swapper/210:02:022
28246992014,1cyclictest12153-21httpd10:31:155
59602180,0sleep6641ktimersoftd/612:17:566
28242991712,3cyclictest49-21ksoftirqd/411:38:264
28242991611,3cyclictest49-21ksoftirqd/409:27:544
2824299160,1cyclictest131rcu_sched09:53:274
215492160,2sleep62825299cyclictest09:45:326
28246991510,4cyclictest1-21systemd11:02:325
28242991511,1cyclictest49-21ksoftirqd/410:28:394
28242991510,3cyclictest49-21ksoftirqd/410:47:324
2824299150,11cyclictest19931-21kworker/4:211:48:074
2824299150,11cyclictest19931-21kworker/4:211:48:074
2822699150,1cyclictest698-21dbus-daemon09:45:351
283902140,0sleep40-21swapper/411:52:004
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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