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2025-11-23 - 17:41
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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 rackfslot7.osadl.org (updated Sun Nov 23, 2025 12:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
209946899625,18cyclictest0-21swapper/710:20:177
209946499612,0cyclictest191rcu_preempt11:35:183
2099465996019,40cyclictest2209170-21mailstats10:20:234
2099465995939,19cyclictest878-21mta-sts-daemon08:45:284
2099465995939,19cyclictest878-21mta-sts-daemon08:45:274
209946599590,58cyclictest2148856-21ntpq08:35:194
2099465995818,39cyclictest1089-21snmpd09:05:124
2099465995738,18cyclictest601ktimers/412:39:114
2099465995715,40cyclictest1089-21snmpd08:01:514
209946599570,38cyclictest2230185-21/usr/sbin/munin11:00:014
2099465995637,19cyclictest601ktimers/407:10:124
2099465995636,19cyclictest877-21mta-sts-daemon12:30:164
2099465995636,19cyclictest2145857-21cat08:30:184
2099465995635,21cyclictest2152538-21taskset08:42:224
2099465995635,21cyclictest2152538-21taskset08:42:224
2099465995618,19cyclictest2279413-21ld12:25:174
2099465995617,39cyclictest2224206-21sshd10:49:114
2099465995616,39cyclictest2161853-21cat09:00:024
2099465995537,18cyclictest0-21swapper/407:45:484
2099465995535,19cyclictest2103870-21ntpq07:15:194
2099465995519,35cyclictest0-21swapper/409:58:254
2099465995519,35cyclictest0-21swapper/409:35:244
2099465995519,35cyclictest0-21swapper/407:54:034
2099465995514,39cyclictest2130738-21apt-get08:05:124
2099465995436,18cyclictest601ktimers/411:28:524
2099465995419,35cyclictest0-21swapper/411:36:304
2099465995419,34cyclictest0-21swapper/412:08:174
2099465995419,34cyclictest0-21swapper/409:16:484
2099465995419,15cyclictest0-21swapper/412:01:064
2099465995419,15cyclictest0-21swapper/409:11:024
2099465995419,15cyclictest0-21swapper/407:41:054
2099465995419,15cyclictest0-21swapper/407:21:264
2099465995416,19cyclictest2114344-21diskstats07:35:144
2099465995414,39cyclictest0-21swapper/411:08:294
2099465995414,39cyclictest0-21swapper/409:51:384
2099465995414,39cyclictest0-21swapper/408:54:134
2099465995414,39cyclictest0-21swapper/408:28:094
2099465995333,19cyclictest0-21swapper/412:19:474
2099465995333,19cyclictest0-21swapper/409:04:224
2099465995333,19cyclictest0-21swapper/407:58:044
2099465995333,19cyclictest0-21swapper/407:28:344
2099465995319,15cyclictest0-21swapper/411:52:024
2099465995319,15cyclictest0-21swapper/411:02:504
2099465995319,15cyclictest0-21swapper/410:37:184
2099465995319,15cyclictest0-21swapper/410:08:534
2099465995319,15cyclictest0-21swapper/409:25:204
2099465995313,39cyclictest0-21swapper/411:55:154
2099465995313,39cyclictest0-21swapper/410:15:204
2099464995314,39cyclictest0-21swapper/310:30:163
2099467995234,18cyclictest0-21swapper/607:40:186
2099465995233,19cyclictest0-21swapper/411:45:424
2099465995233,19cyclictest0-21swapper/411:33:054
2099465995233,19cyclictest0-21swapper/411:20:484
2099465995233,19cyclictest0-21swapper/411:13:464
2099465995233,19cyclictest0-21swapper/410:53:204
2099465995233,19cyclictest0-21swapper/410:26:124
2099465995233,19cyclictest0-21swapper/410:02:124
2099465995233,19cyclictest0-21swapper/409:43:484
2099465995233,19cyclictest0-21swapper/408:23:164
2099465995214,19cyclictest2190339-21munin-run09:50:024
2099465995214,19cyclictest0-21swapper/409:20:184
2099465995213,39cyclictest0-21swapper/411:16:344
2099465995213,39cyclictest0-21swapper/410:11:344
2099465995212,39cyclictest0-21swapper/410:33:134
2099463995233,19cyclictest0-21swapper/211:25:152
2099465995133,18cyclictest0-21swapper/408:14:014
2099465995132,19cyclictest0-21swapper/412:20:124
2099465995132,19cyclictest0-21swapper/410:41:204
2099465995132,19cyclictest0-21swapper/409:33:494
2099465995131,19cyclictest0-21swapper/412:11:484
2099465995112,39cyclictest0-21swapper/411:40:104
2099463995113,19cyclictest0-21swapper/212:15:172
2099465995031,19cyclictest0-21swapper/408:59:464
2099465995012,38cyclictest0-21swapper/408:15:044
2099465994929,19cyclictest0-21swapper/407:32:284
2099463994949,0cyclictest421ktimers/209:15:162
2099463994931,18cyclictest411rcuc/208:35:172
2099464994810,38cyclictest0-21swapper/308:20:183
209946899479,19cyclictest0-21swapper/711:55:157
209946499457,19cyclictest0-21swapper/311:30:173
209946499457,19cyclictest0-21swapper/308:55:363
209946499457,19cyclictest0-21swapper/308:55:353
209946399457,19cyclictest0-21swapper/211:50:162
209946499435,38cyclictest0-21swapper/311:00:193
2099463994122,19cyclictest0-21swapper/208:20:172
209946799390,19cyclictest0-21swapper/610:25:166
2099464993920,19cyclictest0-21swapper/310:15:193
2099468993819,0cyclictest0-21swapper/707:55:197
2099464993819,19cyclictest0-21swapper/309:50:213
209946499380,19cyclictest0-21swapper/311:50:173
209946399380,19cyclictest0-21swapper/207:15:172
209946399380,18cyclictest0-21swapper/208:15:192
2099468993719,18cyclictest0-21swapper/711:40:187
2099461993718,19cyclictest171ktimers/008:20:180
2099463993617,0cyclictest0-21swapper/209:40:192
209946199360,17cyclictest0-21swapper/009:55:160
209946799350,15cyclictest0-21swapper/612:15:176
209946799350,15cyclictest0-21swapper/609:55:176
2099464993516,19cyclictest501rcuc/312:00:173
209946499350,35cyclictest0-21swapper/307:55:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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