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2025-05-02 - 12:57
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot3.osadl.org (updated Fri May 02, 2025 00:50:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1951329287,2sleep00-21swapper/019:05:170
1940028555,25sleep70-21swapper/719:05:167
2127828147,30sleep60-21swapper/619:09:326
2109827944,30sleep20-21swapper/219:06:552
2122227843,30sleep40-21swapper/419:08:424
2117427540,30sleep30-21swapper/319:08:003
2100927540,30sleep50-21swapper/519:05:385
2113427339,29sleep10-21swapper/119:07:261
266202610,0sleep30-21swapper/323:32:133
42792490,0sleep20-21swapper/223:05:142
42792490,0sleep20-21swapper/223:05:142
280092460,0sleep40-21swapper/423:33:104
131922460,0sleep20-21swapper/221:16:572
107052440,0sleep20-21swapper/200:13:122
169912430,0sleep00-21swapper/000:00:130
21746993333,0cyclictest0-21swapper/022:02:350
21746993332,0cyclictest0-21swapper/022:18:140
21749993131,0cyclictest0-21swapper/323:39:333
21747993110,0cyclictest0-21swapper/122:45:011
21753992423,0cyclictest0-21swapper/721:05:137
21748992220,2cyclictest1706-21sendmail-mta22:51:092
21747992222,0cyclictest0-21swapper/122:06:361
21746992121,0cyclictest0-21swapper/022:33:540
1647922110,1sleep40-21swapper/421:35:014
21751992020,0cyclictest0-21swapper/521:05:135
21751992016,2cyclictest14757-21nscd23:01:425
21749992018,2cyclictest1559-21snmpd23:24:423
21749992017,3cyclictest0-21swapper/323:52:113
21748992018,2cyclictest13645-21kworker/2:121:06:112
21746992019,1cyclictest0-21swapper/023:15:590
21746992013,3cyclictest0-21swapper/021:05:000
21746991919,0cyclictest0-21swapper/022:59:540
21750991818,0cyclictest69450irq/124-eth000:08:254
21750991812,4cyclictest21744-21cyclictest00:16:434
21748991818,0cyclictest321ktimersoftd/221:35:152
21748991815,3cyclictest734-21gmain00:32:452
21747991812,6cyclictest1559-21snmpd21:19:281
21747991810,5cyclictest0-21swapper/123:15:031
21746991817,0cyclictest0-21swapper/021:05:130
21746991810,0cyclictest0-21swapper/022:45:190
21752991717,0cyclictest641ktimersoftd/600:36:046
21752991710,3cyclictest0-21swapper/623:23:596
21752991710,0cyclictest0-21swapper/622:36:476
21751991717,0cyclictest0-21swapper/523:52:165
21750991717,0cyclictest69450irq/124-eth022:56:414
21750991710,3cyclictest0-21swapper/421:57:044
21750991710,3cyclictest0-21swapper/421:57:044
21750991710,0cyclictest0-21swapper/421:23:114
21748991710,3cyclictest0-21swapper/223:56:242
21748991710,3cyclictest0-21swapper/221:34:492
21748991710,2cyclictest0-21swapper/222:44:512
21747991716,0cyclictest1170-1kworker/u17:123:27:411
21747991710,7cyclictest0-21swapper/123:49:281
21747991710,0cyclictest0-21swapper/123:59:091
21747991710,0cyclictest0-21swapper/122:53:141
21747991710,0cyclictest0-21swapper/122:37:101
21747991710,0cyclictest0-21swapper/122:28:081
21747991710,0cyclictest0-21swapper/100:37:581
21747991710,0cyclictest0-21swapper/100:07:001
21746991716,1cyclictest662-21ptp4l00:17:040
21752991615,1cyclictest948-21ssh22:30:486
21752991615,1cyclictest4062-21ssh23:53:466
21752991615,1cyclictest26798-21ssh21:40:096
21752991615,0cyclictest29943-21diskmemload23:02:486
21751991610,6cyclictest0-21swapper/523:22:505
21751991610,6cyclictest0-21swapper/522:44:135
21751991610,6cyclictest0-21swapper/500:09:345
21751991610,4cyclictest0-21swapper/500:10:175
21750991610,0cyclictest0-21swapper/422:38:584
21749991615,1cyclictest10040-21kworker/u16:222:11:343
21749991610,4cyclictest0-21swapper/300:35:413
21749991610,0cyclictest0-21swapper/300:28:593
21748991613,1cyclictest16702-21nscd23:24:492
21748991610,4cyclictest0-21swapper/223:37:472
21748991610,4cyclictest0-21swapper/222:31:192
21748991610,4cyclictest0-21swapper/221:24:002
21748991610,4cyclictest0-21swapper/200:26:052
21748991610,4cyclictest0-21swapper/200:15:412
21748991610,3cyclictest0-21swapper/222:23:032
21748991610,3cyclictest0-21swapper/222:23:032
21748991610,1cyclictest0-21swapper/223:40:522
21747991610,0cyclictest0-21swapper/123:54:031
21747991610,0cyclictest0-21swapper/123:12:501
21747991610,0cyclictest0-21swapper/121:54:011
21747991610,0cyclictest0-21swapper/100:26:171
21746991613,3cyclictest641-21nscd23:32:530
21746991611,5cyclictest0-21swapper/022:15:000
160272160,0sleep30-21swapper/300:15:213
2881321510,1sleep50-21swapper/522:29:315
2175399152,12cyclictest24647-21munin-node22:55:527
21753991510,5cyclictest0-21swapper/723:37:097
21753991510,3cyclictest0-21swapper/723:30:147
21753991510,3cyclictest0-21swapper/700:35:487
21753991510,0cyclictest0-21swapper/722:35:127
21753991510,0cyclictest0-21swapper/700:09:417
21752991514,1cyclictest14604-21ssh23:59:096
21752991514,1cyclictest13879-21ls00:30:216
21752991513,1cyclictest29943-21diskmemload22:21:166
21752991513,1cyclictest29943-21diskmemload22:21:166
21752991510,3cyclictest0-21swapper/623:17:446
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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