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2026-06-16 - 12:13
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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 376 highest latencies:
System rackfslot7.osadl.org (updated Tue Jun 16, 2026 00:46:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3260973991079,19cyclictest0-21swapper/220:25:162
3260974998124,38cyclictest776-21dbus-daemon20:45:023
326097799790,19cyclictest0-21swapper/620:25:166
3260974997314,39cyclictest3424344-21ls00:05:143
3260974997233,39cyclictest5150ktimers/323:53:083
3260974997233,39cyclictest5150ktimers/323:53:083
3260974997033,1cyclictest0-21swapper/300:23:043
3260974997032,38cyclictest870-21mta-sts-daemon22:22:063
326097499668,39cyclictest3379823-21grep22:45:003
3260974996526,19cyclictest0-21swapper/322:55:303
326097499613,39cyclictest3408323-21awk23:35:173
326097499612,40cyclictest3421181-21latency_hist00:00:023
326097499610,59cyclictest3432074-21latency_hist00:20:023
326097499610,40cyclictest3422411-21gcc00:00:203
3260974996020,19cyclictest0-21swapper/321:35:043
3260974995919,19cyclictest0-21swapper/320:50:043
3260974995819,18cyclictest0-21swapper/300:36:203
3260974995818,19cyclictest3260970-21cyclictest00:28:483
3260974995816,40cyclictest236199-21snmpd23:06:163
326097499580,39cyclictest3394410-21df23:10:143
326097499580,39cyclictest3377122-21grep22:40:013
3260974995719,35cyclictest0-21swapper/323:34:163
3260974995719,35cyclictest0-21swapper/323:34:163
3260974995717,19cyclictest5150ktimers/319:16:323
3260974995715,19cyclictest1086-21runrttasks00:13:163
3260974995633,19cyclictest0-21swapper/322:26:503
3260974995619,35cyclictest0-21swapper/319:20:323
3260974995619,16cyclictest0-21swapper/321:06:203
3260974995617,20cyclictest3352397-21/usr/sbin/munin21:55:163
3260974995617,18cyclictest3260970-21cyclictest23:22:453
326097499560,37cyclictest3281227-21fschecks_count19:45:143
3260974995536,19cyclictest236199-21snmpd23:19:143
3260974995533,19cyclictest0-21swapper/321:17:183
3260974995533,19cyclictest0-21swapper/319:32:233
3260974995519,15cyclictest0-21swapper/322:12:573
3260974995519,15cyclictest0-21swapper/321:20:283
3260974995514,19cyclictest0-21swapper/320:48:243
3260977995435,19cyclictest0-21swapper/620:00:166
3260977995414,20cyclictest0-21swapper/623:00:166
3260974995435,18cyclictest0-21swapper/321:40:223
3260974995433,19cyclictest0-21swapper/322:05:423
3260974995433,19cyclictest0-21swapper/321:26:423
3260974995433,18cyclictest0-21swapper/322:52:543
3260974995433,18cyclictest0-21swapper/320:56:343
3260974995433,18cyclictest0-21swapper/319:27:143
3260974995432,19cyclictest0-21swapper/322:18:023
3260974995432,19cyclictest0-21swapper/319:38:023
3260974995419,14cyclictest0-21swapper/320:16:243
3260974995414,39cyclictest3414313-21ntp_states23:45:203
3260974995414,39cyclictest3414313-21ntp_states23:45:203
3260974995414,19cyclictest0-21swapper/323:02:523
3260974995414,19cyclictest0-21swapper/322:00:323
3260974995414,19cyclictest0-21swapper/320:10:083
3260974995332,19cyclictest0-21swapper/322:33:023
3260974995332,19cyclictest0-21swapper/319:41:423
3260974995332,18cyclictest3260970-21cyclictest20:09:463
3260974995330,19cyclictest0-21swapper/320:35:243
3260974995313,19cyclictest0-21swapper/321:02:243
3260973995319,14cyclictest0-21swapper/223:10:162
3260978995213,20cyclictest0-21swapper/721:55:147
3260974995231,18cyclictest0-21swapper/300:34:583
3260974995214,19cyclictest3306793-21ntp_states20:30:203
3260977995113,19cyclictest0-21swapper/622:35:176
3260977995112,19cyclictest0-21swapper/621:35:176
3260974995132,19cyclictest3289631-21df20:00:143
3260974995131,18cyclictest0-21swapper/323:41:583
3260974995131,18cyclictest0-21swapper/323:41:583
3260978995012,19cyclictest0-21swapper/719:20:157
3260974995011,39cyclictest0-21swapper/319:11:103
3260974994931,18cyclictest0-21swapper/320:24:363
3260974994910,39cyclictest0-21swapper/321:53:543
3260977994810,19cyclictest0-21swapper/600:35:156
3260974994830,18cyclictest0-21swapper/320:28:483
326097899478,38cyclictest0-21swapper/722:00:147
326097799468,19cyclictest0-21swapper/623:15:166
326097799457,19cyclictest0-21swapper/621:00:156
326097499457,19cyclictest3330202-21latency_hist21:15:023
3260974994526,0cyclictest0-21swapper/323:25:183
326097899445,39cyclictest0-21swapper/700:25:147
3260978994325,18cyclictest871ktimers/723:25:177
3260974994325,18cyclictest0-21swapper/319:53:503
326097499423,39cyclictest3348188-21ntpq21:45:203
326097799413,19cyclictest0-21swapper/621:45:166
326097799413,19cyclictest0-21swapper/620:15:176
326097499412,39cyclictest0-21swapper/319:58:503
3260978994021,19cyclictest0-21swapper/721:45:167
3260977994021,19cyclictest771rcuc/621:55:146
3260977993920,19cyclictest79-21ksoftirqd/620:20:166
326097799390,39cyclictest79-21ksoftirqd/619:50:156
326097499391,19cyclictest0-21swapper/322:46:383
326097399390,20cyclictest0-21swapper/200:10:162
3260977993819,19cyclictest771rcuc/621:50:166
3260974993820,18cyclictest0-21swapper/321:30:283
326097899370,18cyclictest0-21swapper/719:25:167
3260978993636,0cyclictest0-21swapper/722:05:167
326097899360,36cyclictest0-21swapper/719:55:167
326097799360,17cyclictest0-21swapper/622:55:166
3260978993516,19cyclictest0-21swapper/722:50:157
326097899350,15cyclictest0-21swapper/721:50:167
326097899350,15cyclictest0-21swapper/720:40:167
326097799350,35cyclictest0-21swapper/622:20:166
326097799350,15cyclictest0-21swapper/620:35:186
326097399350,35cyclictest0-21swapper/220:35:182
3260978993415,19cyclictest0-21swapper/719:34:457
326097899340,34cyclictest0-21swapper/722:45:167
326097899340,15cyclictest0-21swapper/720:20:167
326097399340,34cyclictest0-21swapper/222:45:162
326097399340,34cyclictest0-21swapper/221:40:162
326097399340,15cyclictest0-21swapper/223:45:152
326097399340,15cyclictest0-21swapper/223:45:152
326097399340,15cyclictest0-21swapper/222:40:172
3260978993314,19cyclictest0-21swapper/723:40:147
3260978993314,19cyclictest0-21swapper/723:40:147
3260978993314,19cyclictest0-21swapper/721:05:027
3260978993314,19cyclictest0-21swapper/719:50:157
3260978993314,19cyclictest0-21swapper/719:40:147
3260978993314,19cyclictest0-21swapper/700:10:167
3260977993314,19cyclictest0-21swapper/623:25:176
3260977993314,19cyclictest0-21swapper/622:50:156
3260977993314,19cyclictest0-21swapper/620:50:166
3260977993314,19cyclictest0-21swapper/600:00:176
326097799330,14cyclictest0-21swapper/623:40:146
326097799330,14cyclictest0-21swapper/623:40:146
3260973993314,19cyclictest0-21swapper/223:05:242
3260973993314,19cyclictest0-21swapper/220:30:152
3260973993314,19cyclictest0-21swapper/220:15:162
3260978993213,19cyclictest0-21swapper/723:35:167
3260978993213,19cyclictest0-21swapper/723:20:157
3260978993213,19cyclictest0-21swapper/722:40:177
3260978993213,19cyclictest0-21swapper/721:35:167
3260978993213,19cyclictest0-21swapper/721:20:157
3260978993213,19cyclictest0-21swapper/720:05:187
3260978993213,19cyclictest0-21swapper/700:05:167
3260977993214,18cyclictest0-21swapper/622:45:166
3260977993213,19cyclictest0-21swapper/622:15:156
3260977993213,19cyclictest0-21swapper/621:15:166
3260977993212,20cyclictest0-21swapper/622:30:156
3260973993214,18cyclictest0-21swapper/223:55:152
3260973993213,19cyclictest0-21swapper/219:30:152
3260973993213,19cyclictest0-21swapper/219:15:162
3260978993112,19cyclictest0-21swapper/722:20:167
3260977993112,19cyclictest0-21swapper/623:35:166
3260977993112,19cyclictest0-21swapper/621:25:166
3260973993112,19cyclictest0-21swapper/223:15:152
3260973993112,19cyclictest0-21swapper/222:35:162
3260973993112,19cyclictest0-21swapper/222:20:162
3260973993112,19cyclictest0-21swapper/222:15:152
3260973993112,0cyclictest0-21swapper/222:55:162
3260978993011,19cyclictest0-21swapper/720:50:007
3260977993011,19cyclictest0-21swapper/623:45:156
3260977993011,19cyclictest0-21swapper/623:45:156
3260977993011,19cyclictest0-21swapper/600:25:146
3260978992910,19cyclictest0-21swapper/722:30:157
3260977992910,19cyclictest0-21swapper/619:35:166
326097899289,19cyclictest0-21swapper/723:30:247
326097899289,19cyclictest0-21swapper/723:30:247
326097799289,19cyclictest0-21swapper/620:40:226
326097899278,19cyclictest0-21swapper/722:25:167
326097899278,19cyclictest0-21swapper/720:55:167
326097899278,19cyclictest0-21swapper/700:00:177
3260978992727,0cyclictest3254810-21kworker/7:0+events23:19:307
326097799278,19cyclictest0-21swapper/600:30:146
3260975992726,1cyclictest3295375-21mii-tool20:10:174
326097899267,19cyclictest0-21swapper/720:34:587
326097799268,18cyclictest0-21swapper/619:25:226
326097399267,19cyclictest0-21swapper/219:35:162
326097899256,19cyclictest0-21swapper/722:55:167
326097399256,19cyclictest0-21swapper/223:40:142
326097399256,19cyclictest0-21swapper/223:40:142
326097899245,19cyclictest0-21swapper/723:10:167
326097599245,19cyclictest0-21swapper/422:40:174
326097599245,19cyclictest0-21swapper/420:00:164
326097599234,19cyclictest0-21swapper/423:55:154
326097599234,19cyclictest0-21swapper/423:05:184
326097599234,19cyclictest0-21swapper/421:15:164
326097599234,19cyclictest0-21swapper/420:35:184
326097599234,19cyclictest0-21swapper/420:20:164
326097599234,19cyclictest0-21swapper/419:55:174
326097599234,19cyclictest0-21swapper/419:30:214
326097599234,19cyclictest0-21swapper/400:20:154
326097599233,19cyclictest0-21swapper/423:30:184
326097599233,19cyclictest0-21swapper/423:30:184
3260975992322,1cyclictest0-21swapper/422:10:164
326097899223,19cyclictest0-21swapper/723:45:157
326097899223,19cyclictest0-21swapper/723:45:157
326097599223,19cyclictest0-21swapper/423:20:154
326097599223,19cyclictest0-21swapper/422:15:154
326097599223,19cyclictest0-21swapper/421:40:164
326097599223,19cyclictest0-21swapper/421:25:164
326097599223,19cyclictest0-21swapper/421:10:164
326097599223,19cyclictest0-21swapper/421:05:164
326097599223,19cyclictest0-21swapper/421:00:154
326097599223,19cyclictest0-21swapper/420:45:144
326097599223,19cyclictest0-21swapper/419:45:154
326097599223,19cyclictest0-21swapper/419:40:144
326097599223,19cyclictest0-21swapper/400:30:144
326097599223,19cyclictest0-21swapper/400:15:154
326097599223,0cyclictest0-21swapper/423:25:174
326097599222,19cyclictest0-21swapper/420:30:154
326097299223,19cyclictest0-21swapper/123:05:171
3260978992118,3cyclictest3254810-21kworker/7:0+events23:03:427
326097799212,19cyclictest0-21swapper/620:05:246
3260976992120,1cyclictest3370083-21mii-tool22:25:155
3260976992120,1cyclictest3358642-21ethtool22:05:165
326097599212,19cyclictest0-21swapper/423:50:154
326097599212,19cyclictest0-21swapper/423:50:144
326097599212,19cyclictest0-21swapper/423:00:164
326097599212,19cyclictest0-21swapper/422:25:164
326097599212,19cyclictest0-21swapper/420:55:164
326097599212,19cyclictest0-21swapper/420:05:184
326097599212,19cyclictest0-21swapper/419:20:154
326097599212,19cyclictest0-21swapper/419:15:164
326097599212,19cyclictest0-21swapper/419:10:154
326097599212,19cyclictest0-21swapper/400:05:164
3260973992120,1cyclictest3389240-21mii-tool23:00:172
326097299212,19cyclictest0-21swapper/122:25:151
326097299212,19cyclictest0-21swapper/122:00:141
326097299212,19cyclictest0-21swapper/121:20:151
326097299211,19cyclictest0-21swapper/123:55:151
326097299211,19cyclictest0-21swapper/119:50:151
326097299210,20cyclictest0-21swapper/122:20:361
3260978992020,0cyclictest3254810-21kworker/7:0+events23:55:027
3260978992020,0cyclictest3254810-21kworker/7:0+events23:50:427
3260978992020,0cyclictest3254810-21kworker/7:0+events23:50:427
3260978992020,0cyclictest3254810-21kworker/7:0+events23:05:137
3260978992020,0cyclictest3254810-21kworker/7:0+events22:35:067
3260978992020,0cyclictest3254810-21kworker/7:0+events22:15:507
3260978992020,0cyclictest3254810-21kworker/7:0+events22:11:067
3260978992020,0cyclictest3254810-21kworker/7:0+events21:40:107
3260978992020,0cyclictest3254810-21kworker/7:0+events21:30:067
3260978992020,0cyclictest3254810-21kworker/7:0+events21:15:127
3260978992020,0cyclictest3254810-21kworker/7:0+events21:10:367
3260978992020,0cyclictest3254810-21kworker/7:0+events21:01:007
3260978992020,0cyclictest3254810-21kworker/7:0+events20:51:187
3260978992020,0cyclictest3254810-21kworker/7:0+events20:35:187
3260978992020,0cyclictest3254810-21kworker/7:0+events20:26:067
3260978992020,0cyclictest3254810-21kworker/7:0+events20:16:107
3260978992020,0cyclictest3254810-21kworker/7:0+events20:10:347
3260978992020,0cyclictest3254810-21kworker/7:0+events20:00:107
3260978992020,0cyclictest3254810-21kworker/7:0+events19:45:467
3260978992020,0cyclictest3254810-21kworker/7:0+events19:35:127
3260978992020,0cyclictest3254810-21kworker/7:0+events19:15:377
3260978992020,0cyclictest3254810-21kworker/7:0+events19:10:187
3260978992020,0cyclictest3254810-21kworker/7:0+events00:35:067
3260978992020,0cyclictest3254810-21kworker/7:0+events00:30:147
3260978992020,0cyclictest3254810-21kworker/7:0+events00:20:067
3260978992020,0cyclictest3254810-21kworker/7:0+events00:15:107
326097799200,20cyclictest0-21swapper/622:02:536
326097799200,20cyclictest0-21swapper/621:07:436
326097799200,20cyclictest0-21swapper/619:34:586
3260976992020,0cyclictest3391982-21mii-tool23:05:175
3260976992020,0cyclictest3267838-21mii-tool19:20:165
3260976992019,1cyclictest3397420-21ethtool23:15:165
3260976992019,1cyclictest3284437-21mii-tool19:50:155
3260976992019,1cyclictest236199-21snmpd20:58:525
326097599201,19cyclictest0-21swapper/423:35:164
326097599201,19cyclictest0-21swapper/420:50:154
326097599201,19cyclictest0-21swapper/420:15:164
326097599200,20cyclictest0-21swapper/421:37:294
326097599200,20cyclictest0-21swapper/419:27:044
326097599200,20cyclictest0-21swapper/400:14:094
3260973992020,0cyclictest3441356-21ethtool00:35:152
3260973992020,0cyclictest3422025-21mii-tool00:00:172
3260973992020,0cyclictest3353176-21mii-tool21:55:142
3260973992020,0cyclictest3336572-21mii-tool21:25:162
3260973992020,0cyclictest3289928-21mii-tool20:00:162
3260973992019,1cyclictest236199-21snmpd22:03:142
3260973992019,1cyclictest236199-21snmpd19:48:322
3260972992020,0cyclictest3328363-21mii-tool21:10:161
3260972992020,0cyclictest236199-21snmpd22:48:521
3260972992019,1cyclictest236199-21snmpd20:04:051
3260972992019,1cyclictest236199-21snmpd19:14:571
3260972992019,0cyclictest236199-21snmpd23:54:171
3260972992019,0cyclictest236199-21snmpd23:54:171
326097299201,19cyclictest0-21swapper/123:15:171
326097299201,19cyclictest0-21swapper/121:30:171
326097299201,19cyclictest0-21swapper/120:40:161
326097299200,20cyclictest0-21swapper/122:34:521
326097299200,20cyclictest0-21swapper/121:05:161
3260971992020,0cyclictest3402873-21ethtool23:25:170
3260971992020,0cyclictest3391963-21mii-tool23:05:170
3260971992020,0cyclictest3378324-21ethtool22:40:170
3260971992020,0cyclictest3331085-21mii-tool21:15:160
3260971992020,0cyclictest3322653-21mii-tool21:00:150
3260971992020,0cyclictest3289909-21mii-tool20:00:160
3260971992020,0cyclictest3262797-21sensors19:10:210
3260971992020,0cyclictest236199-21snmpd22:05:030
3260971992019,1cyclictest3364351-21mii-tool22:15:150
3260971992019,1cyclictest3361644-21ethtool22:10:160
3260971992019,1cyclictest3287181-21ethtool19:55:170
3260971992019,1cyclictest3273977-21sensors19:30:210
3260971992019,1cyclictest236199-21snmpd00:29:250
326097199200,20cyclictest0-21swapper/022:02:590
326097199200,20cyclictest0-21swapper/021:14:190
326097199200,19cyclictest3284453-21awk19:50:150
326097199200,19cyclictest0-21swapper/023:40:200
326097199200,19cyclictest0-21swapper/023:40:200
326097199200,0cyclictest191rcu_preempt20:10:170
326097199200,0cyclictest0-21swapper/000:00:390
3260977991919,0cyclictest3427450-21mii-tool00:10:166
3260977991919,0cyclictest3345013-21mii-tool21:40:166
3260977991919,0cyclictest3306289-21mii-tool20:30:156
3260977991919,0cyclictest236199-21snmpd00:22:066
326097799190,19cyclictest0-21swapper/623:54:386
326097799190,19cyclictest0-21swapper/623:54:386
326097799190,19cyclictest0-21swapper/619:57:446
3260976991919,0cyclictest3355919-21mii-tool22:00:145
3260976991919,0cyclictest3333851-21mii-tool21:20:155
3260976991919,0cyclictest3328363-21mii-tool21:10:165
3260976991919,0cyclictest3311741-21mii-tool20:40:165
3260976991919,0cyclictest3270542-21mii-tool19:25:165
3260976991919,0cyclictest236199-21snmpd19:58:385
3260976991918,1cyclictest3325377-21mii-tool21:05:165
3260976991918,1cyclictest3292649-21ethtool20:05:185
3260976991918,1cyclictest236199-21snmpd23:50:205
3260976991918,1cyclictest236199-21snmpd23:50:205
3260976991918,1cyclictest236199-21snmpd23:32:025
3260976991918,1cyclictest236199-21snmpd23:32:025
3260976991918,1cyclictest236199-21snmpd19:35:435
3260975991919,0cyclictest3276007-21mii-tool19:35:164
3260975991918,1cyclictest236199-21snmpd23:40:384
3260975991918,1cyclictest236199-21snmpd23:40:384
3260975991918,1cyclictest236199-21snmpd23:12:194
3260975991918,1cyclictest236199-21snmpd19:52:504
326097599190,19cyclictest0-21swapper/423:15:224
326097599190,19cyclictest0-21swapper/422:50:154
326097599190,19cyclictest0-21swapper/421:20:164
326097599190,19cyclictest0-21swapper/420:40:244
326097599190,0cyclictest0-21swapper/400:25:374
3260973991919,0cyclictest3350453-21mii-tool21:50:162
3260973991919,0cyclictest3331104-21mii-tool21:15:172
3260973991919,0cyclictest3317205-21mii-tool20:50:152
3260973991919,0cyclictest236199-21snmpd23:31:292
3260973991919,0cyclictest236199-21snmpd23:31:292
3260973991919,0cyclictest236199-21snmpd22:08:152
3260973991919,0cyclictest236199-21snmpd20:41:182
3260973991919,0cyclictest236199-21snmpd20:14:502
3260973991918,1cyclictest3438630-21ethtool00:30:142
3260973991918,1cyclictest3347734-21mii-tool21:45:162
3260973991918,1cyclictest3284452-21ethtool19:50:152
3260973991918,1cyclictest236199-21snmpd20:45:422
326097399190,19cyclictest0-21swapper/222:14:302
326097399190,19cyclictest0-21swapper/221:39:082
326097399190,19cyclictest0-21swapper/220:58:192
326097399190,19cyclictest0-21swapper/220:05:412
3260972991919,0cyclictest3394702-21mii-tool23:10:161
3260972991919,0cyclictest3298076-21mii-tool20:15:161
3260972991919,0cyclictest236199-21snmpd23:42:291
3260972991919,0cyclictest236199-21snmpd23:42:291
3260972991919,0cyclictest236199-21snmpd21:15:221
3260972991918,1cyclictest236199-21snmpd20:52:001
3260972991918,1cyclictest236199-21snmpd20:29:541
326097299190,19cyclictest0-21swapper/123:32:021
326097299190,19cyclictest0-21swapper/123:32:021
326097299190,19cyclictest0-21swapper/123:28:471
326097299190,19cyclictest0-21swapper/123:04:521
326097299190,19cyclictest0-21swapper/122:11:001
326097299190,19cyclictest0-21swapper/121:41:211
326097299190,19cyclictest0-21swapper/120:05:181
326097299190,19cyclictest0-21swapper/119:40:141
326097299190,19cyclictest0-21swapper/100:35:221
326097299190,19cyclictest0-21swapper/100:27:331
326097299190,19cyclictest0-21swapper/100:02:551
326097299190,18cyclictest0-21swapper/121:25:161
326097299190,18cyclictest0-21swapper/120:10:171
326097299190,0cyclictest0-21swapper/122:55:161
326097299190,0cyclictest0-21swapper/121:54:261
326097299190,0cyclictest0-21swapper/119:35:431
3260971991919,0cyclictest3430191-21mii-tool00:15:150
3260971991919,0cyclictest3419258-21mii-tool23:55:150
3260971991919,0cyclictest3389260-21mii-tool23:00:160
3260971991919,0cyclictest3325373-21ethtool21:05:160
3260971991919,0cyclictest3308997-21mii-tool20:35:170
3260971991919,0cyclictest3300824-21mii-tool20:20:160
3260971991919,0cyclictest236199-21snmpd19:46:280
3260971991918,1cyclictest3432937-21mii-tool00:20:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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