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2025-05-02 - 12:39
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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 rackaslot0.osadl.org (updated Fri May 02, 2025 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2965021330,0sleep321197-21diskmemload21:35:383
3192990,1sleep31722-21runrttasks21:55:293
158582870,0sleep315857-21sshd21:34:343
2839425923,32sleep10-21swapper/119:09:221
84962580,0sleep08494-21bash22:15:410
199562580,5sleep339-21ksoftirqd/322:14:003
199562580,5sleep339-21ksoftirqd/322:14:003
271112570,0sleep30-21swapper/323:02:083
255572570,0sleep20-21swapper/223:30:042
214122560,0sleep021405-21sshd21:43:210
140582550,1sleep314029-21sshd23:29:033
31642540,0sleep230-21ksoftirqd/221:11:062
174952540,1sleep117474-21sshd21:29:071
145242530,0sleep20-21swapper/200:03:052
311872520,1sleep331184-21sshd22:23:183
260012520,0sleep20-21swapper/221:32:372
20452520,1sleep02044-21sshd23:47:430
298102510,0sleep20-21swapper/222:14:522
298102510,0sleep20-21swapper/222:14:522
2827425125,9sleep20-21swapper/219:07:502
2810425125,8sleep00-21swapper/019:05:400
18202510,0sleep01817-21bash23:08:260
158132510,0sleep10-21swapper/100:03:121
82582500,1sleep221197-21diskmemload00:13:542
183752500,0sleep00-21swapper/023:26:370
120612500,0sleep10-21swapper/122:35:291
2814224924,8sleep30-21swapper/319:06:123
151672490,1sleep119-21rcuc/121:31:401
60342480,1sleep31722-21runrttasks22:43:263
226042480,0sleep20-21swapper/223:18:382
158732480,0sleep30-21swapper/323:40:223
128222480,0sleep20-21swapper/221:37:012
120242480,0sleep00-21swapper/021:50:540
98142470,1sleep30-21swapper/300:11:073
200542470,0sleep10-21swapper/121:05:201
66542460,0sleep121-21ksoftirqd/100:16:381
120712430,0sleep00-21swapper/021:23:060
294862360,0sleep00-21swapper/021:32:560
259892300,0sleep025988-21bash00:24:500
28687992321,1cyclictest6538-21sshd22:12:490
28687992321,1cyclictest6538-21sshd22:12:490
28691992019,1cyclictest1365-21sshd22:34:411
145802200,1sleep114571-21sshd23:45:571
40962190,1sleep10-21swapper/121:16:451
29892190,1sleep12964-21sshd22:04:141
226632190,0sleep022653-21sshd23:43:550
115212190,1sleep20-21swapper/221:28:362
28691991816,1cyclictest13725-21sshd00:08:421
213732180,0sleep30-21swapper/321:18:203
4802170,0sleep3477-21sshd22:06:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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