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2025-12-26 - 22:52
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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 highest latencies:
System rackcslot2.osadl.org (updated Fri Dec 26, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
51112690,0sleep00-21swapper/011:21:320
212482690,1sleep00-21swapper/011:41:570
1211626956,9sleep10-21swapper/107:05:051
1360026754,8sleep00-21swapper/007:07:130
125982640,1sleep10-21swapper/108:29:561
14043993838,0cyclictest0-21swapper/007:47:230
14043993110,13cyclictest0-21swapper/010:31:310
14044992928,1cyclictest231ktimersoftd/108:45:051
14043992825,2cyclictest32057-21ssh11:55:150
14043992817,3cyclictest0-21swapper/010:55:170
1404499270,3cyclictest0-21swapper/111:51:361
14043992720,6cyclictest947-21sendmail-mta12:17:310
1404399270,3cyclictest0-21swapper/009:58:530
1404399260,20cyclictest0-21swapper/010:22:430
14044992510,14cyclictest23898-21kworker/1:008:18:491
14043992522,1cyclictest0-21swapper/010:19:030
14044992410,11cyclictest0-21swapper/110:30:071
14043992424,0cyclictest0-21swapper/008:09:560
14043992421,2cyclictest19360-21/usr/sbin/munin12:20:140
1404399241,1cyclictest2793-21ssh09:17:350
14043992410,7cyclictest0-21swapper/012:10:240
14043992410,7cyclictest0-21swapper/012:10:240
14043992410,6cyclictest0-21swapper/010:35:440
1404499234,9cyclictest27916-21diskmemload09:20:081
1404499231,3cyclictest0-21swapper/111:13:061
14044992312,7cyclictest23898-21kworker/1:011:40:451
14044992310,8cyclictest0-21swapper/108:55:091
14044992310,5cyclictest0-21swapper/111:37:481
14044992310,4cyclictest0-21swapper/112:05:111
1404499230,8cyclictest0-21swapper/110:40:171
14043992310,8cyclictest0-21swapper/008:20:140
14043992310,3cyclictest0-21swapper/011:25:140
1404399230,21cyclictest0-21swapper/011:15:570
1404399230,19cyclictest32089-21ssh09:54:350
1404399230,14cyclictest0-21swapper/007:35:170
1404399230,14cyclictest0-21swapper/007:15:150
14044992214,5cyclictest23883-21apache211:34:521
1404499221,20cyclictest23898-21kworker/1:012:22:411
14044992210,6cyclictest0-21swapper/109:52:481
14044992210,4cyclictest0-21swapper/107:20:151
1404499220,21cyclictest23898-21kworker/1:011:15:571
1404399226,9cyclictest0-21swapper/010:10:090
1404399225,9cyclictest0-21swapper/007:40:160
14043992216,5cyclictest23883-21apache208:40:120
14043992210,7cyclictest0-21swapper/010:40:090
14043992210,12cyclictest0-21swapper/008:52:470
1404399220,18cyclictest0-21swapper/011:07:480
774522110,0sleep00-21swapper/010:04:350
2296522110,0sleep00-21swapper/011:45:050
1404499218,9cyclictest0-21swapper/108:21:241
1404499211,9cyclictest0-21swapper/111:00:171
14044992118,2cyclictest0-21swapper/112:25:071
14044992117,3cyclictest636-21nscd10:56:591
14044992117,3cyclictest23886-21apache209:42:061
14044992114,3cyclictest0-21swapper/109:58:571
1404399214,13cyclictest0-21swapper/011:00:120
14043992111,3cyclictest0-21swapper/009:27:190
14043992110,4cyclictest0-21swapper/012:25:080
14043992110,4cyclictest0-21swapper/007:55:120
14043992110,10cyclictest0-21swapper/008:45:120
1404399210,4cyclictest0-21swapper/012:34:200
1404499205,11cyclictest0-21swapper/108:05:071
1404499204,9cyclictest0-21swapper/108:30:111
1404499204,12cyclictest13396-21sh12:13:141
1404499204,12cyclictest13396-21sh12:13:141
14044992018,1cyclictest23886-21apache211:20:071
1404499201,14cyclictest0-21swapper/112:04:271
14044992010,6cyclictest0-21swapper/109:00:111
14044992010,3cyclictest0-21swapper/109:30:071
14044992010,3cyclictest0-21swapper/108:10:071
1404399204,8cyclictest0-21swapper/010:25:070
14043992017,3cyclictest14041-21cyclictest10:53:060
14043992017,1cyclictest0-21swapper/009:30:120
14043992016,2cyclictest744-21snmpd11:54:370
14043992010,4cyclictest0-21swapper/007:30:060
1404499195,8cyclictest0-21swapper/111:45:061
1404499193,7cyclictest0-21swapper/110:00:081
14044991916,3cyclictest23898-21kworker/1:008:01:111
14044991914,4cyclictest0-21swapper/111:07:081
14044991914,1cyclictest0-21swapper/111:25:081
14044991910,5cyclictest0-21swapper/107:15:071
14044991910,4cyclictest0-21swapper/107:55:171
14044991910,3cyclictest0-21swapper/112:35:061
14044991910,0cyclictest0-21swapper/109:15:241
1404499190,14cyclictest0-21swapper/110:36:551
1404399198,6cyclictest27714-21ssh11:10:060
1404399194,11cyclictest0-21swapper/012:35:050
1404399194,10cyclictest2945-21perf08:04:560
1404399193,10cyclictest0-21swapper/007:50:080
1404399191,12cyclictest0-21swapper/009:49:560
14043991910,7cyclictest0-21swapper/010:47:130
14043991910,7cyclictest0-21swapper/009:12:500
14043991910,5cyclictest0-21swapper/010:05:080
14043991910,4cyclictest0-21swapper/009:40:090
1404399190,11cyclictest0-21swapper/009:20:050
935921810,0sleep00-21swapper/012:08:160
1839221810,0sleep00-21swapper/009:36:200
1404499188,8cyclictest0-21swapper/110:05:121
1404499186,8cyclictest0-21swapper/110:10:071
1404499184,10cyclictest7508-21kworker/u4:209:25:121
1404499183,8cyclictest0-21swapper/112:18:411
1404499183,12cyclictest0-21swapper/110:17:221
1404499183,10cyclictest0-21swapper/111:55:101
14044991816,1cyclictest20705-21ls10:20:131
14044991810,7cyclictest0-21swapper/110:50:071
14044991810,5cyclictest0-21swapper/109:37:111
14044991810,0cyclictest0-21swapper/109:10:591
1404399182,8cyclictest0-21swapper/008:31:330
1404399181,9cyclictest0-21swapper/011:35:150
14043991810,5cyclictest0-21swapper/008:15:180
14043991810,4cyclictest0-21swapper/012:04:560
14043991810,4cyclictest0-21swapper/008:35:080
14043991810,2cyclictest0-21swapper/008:55:000
14043991810,2cyclictest0-21swapper/008:05:150
1404499176,8cyclictest0-21swapper/108:50:071
1404499174,9cyclictest0-21swapper/107:48:131
1404499173,9cyclictest24579-21ls07:35:131
14044991717,0cyclictest0-21swapper/110:45:271
14044991716,0cyclictest24-21ksoftirqd/109:45:131
1404499171,15cyclictest23898-21kworker/1:007:43:231
14044991711,2cyclictest23886-21apache208:40:561
14044991711,1cyclictest0-21swapper/107:30:101
14044991710,5cyclictest0-21swapper/112:32:291
14044991710,3cyclictest0-21swapper/109:05:091
14044991710,2cyclictest0-21swapper/107:25:071
1404499170,9cyclictest0-21swapper/108:35:101
1404399175,8cyclictest0-21swapper/007:20:120
1404399174,9cyclictest0-21swapper/011:30:140
1404399174,10cyclictest0-21swapper/007:25:090
1404399173,5cyclictest0-21swapper/008:25:120
14043991710,7cyclictest0-21swapper/009:02:430
1404499164,7cyclictest29710-21apache_accesses07:50:081
14043991612,4cyclictest0-21swapper/009:06:490
1404399160,8cyclictest0-21swapper/007:10:060
14044991514,1cyclictest25532-21ssh10:25:361
1404499151,10cyclictest0-21swapper/107:14:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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