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2025-11-08 - 07:43
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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 rack1slot1.osadl.org (updated Sat Nov 08, 2025 00:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
82222203164,26sleep10-21swapper/119:05:381
82072200162,25sleep30-21swapper/319:05:263
84202199122,21sleep00-21swapper/019:08:090
82912198158,26sleep20-21swapper/219:06:302
251012620,0sleep10-21swapper/122:25:201
239772190,0sleep10-21swapper/123:10:121
865199188,6cyclictest9-21ksoftirqd/023:13:020
8651991616,0cyclictest9-21ksoftirqd/022:46:040
8664991412,1cyclictest28-21ksoftirqd/223:55:012
865199148,1cyclictest9-21ksoftirqd/023:25:050
8651991414,0cyclictest9-21ksoftirqd/023:49:310
8651991414,0cyclictest9-21ksoftirqd/023:22:160
8651991414,0cyclictest9-21ksoftirqd/022:41:140
8651991414,0cyclictest9-21ksoftirqd/000:03:560
8651991313,0cyclictest9-21ksoftirqd/022:58:340
8664991211,1cyclictest28-21ksoftirqd/221:40:222
8664991211,1cyclictest28-21ksoftirqd/220:15:012
8664991210,1cyclictest28-21ksoftirqd/220:49:592
8651991212,0cyclictest9-21ksoftirqd/023:17:050
8651991212,0cyclictest9-21ksoftirqd/023:07:230
8651991212,0cyclictest9-21ksoftirqd/021:46:100
8651991212,0cyclictest9-21ksoftirqd/021:26:130
8651991212,0cyclictest9-21ksoftirqd/021:16:350
8651991212,0cyclictest9-21ksoftirqd/021:16:350
8651991212,0cyclictest9-21ksoftirqd/000:34:070
194202120,1sleep019394-21sendmail20:40:010
110992120,0sleep211100-21cat19:15:002
866499119,1cyclictest28-21ksoftirqd/223:20:152
866499119,1cyclictest28-21ksoftirqd/222:25:132
866499119,1cyclictest28-21ksoftirqd/222:00:152
866499119,1cyclictest28-21ksoftirqd/220:25:012
866499119,1cyclictest28-21ksoftirqd/200:35:142
8664991110,1cyclictest28-21ksoftirqd/221:35:012
8664991110,1cyclictest28-21ksoftirqd/220:55:002
8664991110,1cyclictest28-21ksoftirqd/220:05:012
865199119,1cyclictest1358-21chrt22:38:240
865199118,2cyclictest16499-21apt-get23:00:100
8651991111,0cyclictest9-21ksoftirqd/021:50:290
8651991111,0cyclictest9-21ksoftirqd/021:21:530
8651991110,1cyclictest9-21ksoftirqd/023:42:590
8651991110,1cyclictest9-21ksoftirqd/000:27:010
866999100,4cyclictest11899-21apt-get19:15:133
866499109,1cyclictest28-21ksoftirqd/223:00:102
866499109,1cyclictest28-21ksoftirqd/221:55:222
866499109,1cyclictest28-21ksoftirqd/221:10:002
866499109,1cyclictest28-21ksoftirqd/220:30:002
866499109,1cyclictest28-21ksoftirqd/219:20:002
866499108,1cyclictest28-21ksoftirqd/223:40:002
866499108,1cyclictest28-21ksoftirqd/221:25:132
866499108,1cyclictest28-21ksoftirqd/219:25:012
866499108,1cyclictest28-21ksoftirqd/200:05:012
865199109,1cyclictest9-21ksoftirqd/023:31:170
865199109,1cyclictest9-21ksoftirqd/022:51:310
865199102,8cyclictest9-21ksoftirqd/021:08:520
865199102,8cyclictest9-21ksoftirqd/020:47:030
865199102,8cyclictest9-21ksoftirqd/019:45:130
865199102,8cyclictest9-21ksoftirqd/019:34:050
865199102,8cyclictest9-21ksoftirqd/019:10:020
865199102,8cyclictest9-21ksoftirqd/000:10:110
865199102,7cyclictest101rcuc/022:26:230
8651991010,0cyclictest9-21ksoftirqd/023:56:340
8651991010,0cyclictest9-21ksoftirqd/023:53:500
8651991010,0cyclictest9-21ksoftirqd/023:35:020
8651991010,0cyclictest9-21ksoftirqd/022:21:160
8651991010,0cyclictest9-21ksoftirqd/022:13:370
8651991010,0cyclictest9-21ksoftirqd/021:56:390
8651991010,0cyclictest9-21ksoftirqd/021:39:390
8651991010,0cyclictest9-21ksoftirqd/021:30:280
8651991010,0cyclictest9-21ksoftirqd/021:14:100
8651991010,0cyclictest9-21ksoftirqd/000:38:590
8651991010,0cyclictest9-21ksoftirqd/000:15:590
8651991010,0cyclictest9-21ksoftirqd/000:07:530
865199101,3cyclictest19854-21/usr/sbin/munin20:40:210
86699997,1cyclictest35-21ksoftirqd/321:10:013
86699997,1cyclictest1771-21diskmemload22:21:023
86699990,4cyclictest12911-21apt-get22:55:113
86649998,1cyclictest28-21ksoftirqd/223:45:132
86649998,1cyclictest28-21ksoftirqd/222:55:202
86649998,1cyclictest28-21ksoftirqd/222:45:162
86649998,1cyclictest28-21ksoftirqd/222:30:242
86649998,1cyclictest28-21ksoftirqd/220:40:012
86649998,1cyclictest28-21ksoftirqd/220:10:002
86649998,1cyclictest28-21ksoftirqd/200:14:472
86649998,0cyclictest28-21ksoftirqd/223:10:202
86649997,1cyclictest28-21ksoftirqd/223:05:142
86649997,1cyclictest28-21ksoftirqd/220:20:002
86649994,4cyclictest19110-21snmpd00:19:382
86649994,4cyclictest12008-21sh22:53:072
86649990,5cyclictest742-21runrttasks00:06:212
86519999,0cyclictest9-21ksoftirqd/022:16:110
86519999,0cyclictest9-21ksoftirqd/021:40:410
86519998,1cyclictest0-21swapper/020:15:130
86519998,1cyclictest0-21swapper/019:15:000
86519992,7cyclictest9-21ksoftirqd/022:30:350
86519992,7cyclictest9-21ksoftirqd/019:59:210
86519991,8cyclictest9-21ksoftirqd/022:00:370
86519991,8cyclictest9-21ksoftirqd/021:01:310
86519991,8cyclictest9-21ksoftirqd/020:56:350
86519991,8cyclictest9-21ksoftirqd/020:51:350
86519991,8cyclictest9-21ksoftirqd/020:32:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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