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2025-07-05 - 18:58
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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 highest latencies:
System rack5slot2.osadl.org (updated Sat Jul 05, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
144762199184,10sleep10-21swapper/107:07:391
145852184168,11sleep30-21swapper/307:09:073
143602182167,11sleep00-21swapper/007:06:100
145942179162,12sleep20-21swapper/207:09:132
91592680,0sleep361-21kswapd010:14:133
309222460,0sleep10-21swapper/110:57:321
284782430,0sleep00-21swapper/009:50:330
214922430,0sleep30-21swapper/308:25:163
227502420,0sleep00-21swapper/011:10:160
168112410,0sleep20-21swapper/210:01:042
84102400,0sleep00-21swapper/009:40:270
289312140,0sleep10-21swapper/109:50:491
191632130,0sleep10-21swapper/109:45:581
38042100,0sleep10-21swapper/109:55:131
319462100,0sleep20-21swapper/210:25:182
17195290,0sleep20-21swapper/211:06:522
148339991,4cyclictest5547-21perf07:55:000
148339960,5cyclictest0-21swapper/012:15:120
17081250,0sleep00-21swapper/009:45:170
148479952,2cyclictest61-21kswapd011:05:153
148479950,5cyclictest0-21swapper/309:30:213
148479950,5cyclictest0-21swapper/309:27:503
148479950,5cyclictest0-21swapper/308:55:223
148429955,0cyclictest0-21swapper/212:20:072
148429955,0cyclictest0-21swapper/211:30:132
148429952,2cyclictest11191-21ssh10:15:142
148429950,5cyclictest0-21swapper/212:19:252
148429950,5cyclictest0-21swapper/211:27:532
148429950,0cyclictest0-21swapper/210:39:442
148389950,5cyclictest0-21swapper/112:14:471
148389950,5cyclictest0-21swapper/111:04:311
148389950,5cyclictest0-21swapper/110:28:171
148389950,5cyclictest0-21swapper/110:03:151
148389950,0cyclictest0-21swapper/110:40:391
148339951,4cyclictest18974-21munin-run12:15:000
148339950,5cyclictest0-21swapper/009:24:590
148339950,4cyclictest20886-21apt-get07:20:150
148339950,0cyclictest0-21swapper/012:36:440
148339950,0cyclictest0-21swapper/011:06:150
24745240,0sleep00-21swapper/010:21:230
148479944,0cyclictest8255-21apt-get08:00:143
148479944,0cyclictest0-21swapper/311:35:093
148479944,0cyclictest0-21swapper/309:45:433
148479944,0cyclictest0-21swapper/308:17:233
148479943,1cyclictest57250irq/125-eth010:35:143
148479943,1cyclictest30774-21/usr/sbin/munin07:40:163
148479943,1cyclictest25780-21/usr/sbin/munin08:35:153
148479943,1cyclictest20263-21head11:25:153
148479942,1cyclictest5646-21ssh11:00:463
148479942,1cyclictest0-21swapper/307:15:133
148479941,3cyclictest509-21nscd09:11:243
148479941,2cyclictest0-21swapper/309:05:153
148479940,4cyclictest8438-21apt-get10:30:123
148479940,4cyclictest7612-21diskmemload11:19:043
148479940,4cyclictest28222-21users11:45:243
148479940,4cyclictest27540-21unixbench-2d07:30:213
148479940,4cyclictest16790-21df_inode12:30:183
148479940,4cyclictest11719-21ssh11:20:223
148479940,4cyclictest0-21swapper/312:36:593
148479940,4cyclictest0-21swapper/312:12:423
148479940,4cyclictest0-21swapper/312:05:183
148479940,4cyclictest0-21swapper/311:55:113
148479940,4cyclictest0-21swapper/311:32:483
148479940,4cyclictest0-21swapper/311:10:153
148479940,4cyclictest0-21swapper/310:53:223
148479940,4cyclictest0-21swapper/310:40:123
148479940,4cyclictest0-21swapper/309:55:143
148479940,4cyclictest0-21swapper/309:40:513
148479940,4cyclictest0-21swapper/309:20:143
148479940,4cyclictest0-21swapper/308:48:313
148479940,4cyclictest0-21swapper/308:40:223
148479940,3cyclictest8971-21sh12:25:403
148479940,3cyclictest31235-21ssh12:20:213
148479940,3cyclictest24619-21ntp_states07:25:193
148479940,3cyclictest21913-21hddtemp_smartct09:15:163
148479940,3cyclictest20033-21df12:15:133
148479940,3cyclictest18479-21sh11:40:233
148479940,3cyclictest16221-21ntp_states07:10:203
148479940,3cyclictest13196-21apt08:10:123
148479940,1cyclictest5623-21/usr/sbin/munin10:45:213
148479940,1cyclictest499-21dbus-daemon10:25:213
148479940,1cyclictest454-21munin-run10:10:003
148479940,1cyclictest4220-21perl11:50:163
148479940,1cyclictest28634-21/usr/sbin/munin09:35:143
148479940,1cyclictest23923-21irqstats12:00:173
148479940,1cyclictest21421-21cpuspeed_turbos10:20:153
148479940,0cyclictest0-21swapper/310:16:433
148479940,0cyclictest0-21swapper/309:00:543
148429944,0cyclictest0-21swapper/209:34:082
148429942,1cyclictest17135-21ssh12:30:182
148429940,4cyclictest8258-21ssh11:19:302
148429940,4cyclictest61-21kswapd011:50:152
148429940,4cyclictest573-21date08:50:002
148429940,4cyclictest31120-21ssh12:37:292
148429940,4cyclictest28731-21ssh12:02:522
148429940,4cyclictest21882-21ssh10:53:092
148429940,4cyclictest18775-21ssh11:24:592
148429940,4cyclictest18173-21apt-get08:20:132
148429940,4cyclictest0-21swapper/212:25:112
148429940,4cyclictest0-21swapper/212:09:592
148429940,4cyclictest0-21swapper/211:45:162
148429940,4cyclictest0-21swapper/211:40:132
148429940,4cyclictest0-21swapper/211:13:262
148429940,4cyclictest0-21swapper/210:55:122
148429940,4cyclictest0-21swapper/210:20:132
148429940,4cyclictest0-21swapper/210:10:132
148429940,4cyclictest0-21swapper/210:05:122
148429940,4cyclictest0-21swapper/209:55:142
148429940,4cyclictest0-21swapper/209:40:042
148429940,4cyclictest0-21swapper/209:35:142
148429940,4cyclictest0-21swapper/209:25:152
148429940,4cyclictest0-21swapper/209:16:432
148429940,4cyclictest0-21swapper/209:13:222
148429940,4cyclictest0-21swapper/209:05:152
148429940,4cyclictest0-21swapper/207:50:152
148429940,4cyclictest0-21swapper/207:38:412
148429940,3cyclictest738-21sed07:45:012
148429940,3cyclictest31631-21sh09:20:142
148429940,3cyclictest2952-21/usr/sbin/munin11:00:172
148429940,3cyclictest27957-21ssh10:40:012
148429940,3cyclictest17445-21df_inode07:15:012
148429940,3cyclictest0-21swapper/211:35:142
148429940,3cyclictest0-21swapper/209:45:132
148389944,0cyclictest0-21swapper/112:35:271
148389941,2cyclictest0-21swapper/111:30:021
148389941,2cyclictest0-21swapper/111:15:141
148389941,2cyclictest0-21swapper/110:30:121
148389941,2cyclictest0-21swapper/110:20:131
148389941,2cyclictest0-21swapper/110:15:011
148389941,2cyclictest0-21swapper/108:55:101
148389941,2cyclictest0-21swapper/107:55:141
148389940,4cyclictest0-21swapper/111:59:231
148389940,4cyclictest0-21swapper/110:46:021
148389940,4cyclictest0-21swapper/110:05:361
148389940,2cyclictest0-21swapper/112:20:131
148389940,0cyclictest0-21swapper/111:50:041
148389940,0cyclictest0-21swapper/108:12:221
148339943,1cyclictest29748-21df_inode12:20:130
148339941,3cyclictest17429-21kworker/0:211:44:100
148339940,4cyclictest26153-21apt-get11:45:150
148339940,4cyclictest25210-21apt-get10:55:010
148339940,4cyclictest0-21swapper/012:30:160
148339940,4cyclictest0-21swapper/012:08:360
148339940,4cyclictest0-21swapper/011:15:150
148339940,4cyclictest0-21swapper/010:45:130
148339940,4cyclictest0-21swapper/010:30:120
148339940,4cyclictest0-21swapper/010:11:370
148339940,4cyclictest0-21swapper/009:25:150
148339940,4cyclictest0-21swapper/009:00:470
148339940,3cyclictest6998-21diskstats12:25:140
148339940,3cyclictest4523-21ntp_states08:55:170
148339940,3cyclictest31566-21grep07:40:150
148339940,3cyclictest30101-21perl11:30:170
148339940,3cyclictest29671-21ntp_states10:40:200
148339940,3cyclictest23844-21ssh11:26:550
148339940,3cyclictest21187-21ssh10:35:500
148339940,3cyclictest16447-21hddtemp_smartct10:50:170
148339940,3cyclictest13199-21dpkg08:10:120
148339940,3cyclictest10690-21apt-config10:15:010
148339940,3cyclictest10450-21diskmemload09:36:370
148339940,2cyclictest0-21swapper/011:04:550
148339940,0cyclictest0-21swapper/012:03:080
148479930,3cyclictest3297-21apt-get07:50:143
148479930,3cyclictest26035-21df_inode10:55:133
148479930,3cyclictest23316-21taskset08:30:133
148479930,3cyclictest18694-21df_inode08:20:143
148479930,3cyclictest0-21swapper/310:00:143
148479930,3cyclictest0-21swapper/308:50:133
148479930,3cyclictest0-21swapper/307:55:013
148479930,3cyclictest0-21swapper/307:45:113
148479930,3cyclictest0-21swapper/307:35:043
148479930,3cyclictest0-21swapper/307:20:003
148479930,2cyclictest220-21systemd-journal08:05:013
148479930,1cyclictest26083-21ssh09:50:123
148429933,0cyclictest28513-21tr08:40:172
148429933,0cyclictest0-21swapper/209:00:382
148429932,1cyclictest30997-21snmpd08:55:052
148429932,1cyclictest25826-21ssh09:50:012
148429932,1cyclictest14155-21cat08:10:172
148429930,3cyclictest8753-21/usr/sbin/munin10:30:142
148429930,3cyclictest5392-21ssh10:45:022
148429930,3cyclictest16197-21df08:15:132
148429930,3cyclictest0-21swapper/212:10:042
148429930,3cyclictest0-21swapper/211:55:112
148429930,3cyclictest0-21swapper/208:50:032
148429930,3cyclictest0-21swapper/208:35:112
148429930,3cyclictest0-21swapper/208:30:122
148429930,3cyclictest0-21swapper/208:25:002
148429930,3cyclictest0-21swapper/208:05:012
148429930,3cyclictest0-21swapper/208:00:132
148429930,3cyclictest0-21swapper/207:55:262
148429930,3cyclictest0-21swapper/207:45:132
148429930,3cyclictest0-21swapper/207:30:132
148429930,3cyclictest0-21swapper/207:25:132
148429930,3cyclictest0-21swapper/207:20:162
148429930,3cyclictest0-21swapper/207:10:142
148389933,0cyclictest0-21swapper/109:43:111
148389933,0cyclictest0-21swapper/108:51:221
148389931,1cyclictest0-21swapper/112:25:111
148389931,1cyclictest0-21swapper/112:05:121
148389931,1cyclictest0-21swapper/111:20:111
148389931,1cyclictest0-21swapper/111:10:141
148389931,1cyclictest0-21swapper/111:05:161
148389931,1cyclictest0-21swapper/109:35:141
148389931,1cyclictest0-21swapper/109:30:131
148389931,1cyclictest0-21swapper/109:20:131
148389931,1cyclictest0-21swapper/109:10:141
148389931,1cyclictest0-21swapper/108:30:121
148389931,1cyclictest0-21swapper/108:25:131
148389931,1cyclictest0-21swapper/108:20:141
148389931,1cyclictest0-21swapper/107:50:151
148389931,1cyclictest0-21swapper/107:45:121
148389931,1cyclictest0-21swapper/107:15:131
148389931,1cyclictest0-21swapper/107:10:131
148389930,3cyclictest0-21swapper/107:39:461
148389930,2cyclictest5735-21chrt09:00:081
148389930,2cyclictest16250-21chrt09:28:511
148389930,1cyclictest0-21swapper/110:35:151
148339933,0cyclictest0-21swapper/008:35:110
148339932,1cyclictest30997-21snmpd08:30:090
148339932,1cyclictest15022-21basename07:10:140
148339932,1cyclictest12496-21grep08:05:220
148339931,2cyclictest18836-21grep08:20:160
148339931,1cyclictest0-21swapper/009:15:130
148339931,1cyclictest0-21swapper/008:00:140
148339931,1cyclictest0-21swapper/007:30:140
148339930,3cyclictest9458-21sh11:20:060
148339930,3cyclictest6389-21rm11:35:050
148339930,3cyclictest31832-21memory08:45:160
148339930,3cyclictest23330-21rm10:05:030
148339930,3cyclictest18378-21ssh09:30:040
148339930,3cyclictest17486-21if_eth407:15:000
148339930,3cyclictest12801-21ssh11:55:010
148339930,3cyclictest10893-21ssh09:10:100
148339930,3cyclictest10450-21diskmemload11:50:050
148339930,3cyclictest0-21swapper/010:25:140
148339930,3cyclictest0-21swapper/009:05:130
148339930,3cyclictest0-21swapper/008:50:150
148339930,3cyclictest0-21swapper/008:40:150
148339930,3cyclictest0-21swapper/008:25:010
148339930,3cyclictest0-21swapper/008:15:120
148339930,3cyclictest0-21swapper/007:55:140
148339930,3cyclictest0-21swapper/007:45:120
148339930,3cyclictest0-21swapper/007:35:120
148339930,3cyclictest0-21swapper/007:25:140
148339930,2cyclictest3644-21/usr/sbin/munin09:55:120
13312230,0sleep00-21swapper/010:00:010
148389921,1cyclictest190902chrt11:25:021
148389921,1cyclictest0-21swapper/112:15:131
148389921,1cyclictest0-21swapper/111:35:141
148389921,1cyclictest0-21swapper/110:10:141
148389921,1cyclictest0-21swapper/109:15:141
148389921,1cyclictest0-21swapper/108:05:121
148389921,0cyclictest0-21swapper/109:05:151
148389921,0cyclictest0-21swapper/108:40:161
148389920,1cyclictest32767-21chrt07:42:021
148389920,1cyclictest25820-21chrt07:30:141
148389920,1cyclictest22824-21taskset12:00:121
148389920,1cyclictest0-21swapper/112:30:151
148389920,1cyclictest0-21swapper/111:45:151
148389920,1cyclictest0-21swapper/111:40:131
148389920,1cyclictest0-21swapper/110:50:141
148389920,1cyclictest0-21swapper/108:45:121
148389920,1cyclictest0-21swapper/108:35:131
148389920,1cyclictest0-21swapper/108:15:131
148389920,1cyclictest0-21swapper/108:00:131
148389920,1cyclictest0-21swapper/107:25:151
148389920,1cyclictest0-21swapper/107:20:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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