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2025-11-28 - 18:43
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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 rackdslot0.osadl.org (updated Fri Nov 28, 2025 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15935992726,0cyclictest0-21swapper/109:05:011
1593799240,23cyclictest0-21swapper/208:28:372
1593799240,1cyclictest271rcuc/208:05:142
1593599230,5cyclictest0-21swapper/107:48:471
15937992216,5cyclictest271rcuc/209:40:212
1593599220,21cyclictest0-21swapper/108:32:521
15934992216,5cyclictest0-21swapper/010:20:000
1593799203,2cyclictest23166-21nfsd410:10:192
15937992018,1cyclictest0-21swapper/211:13:282
1593799200,19cyclictest0-21swapper/210:30:032
1593599204,15cyclictest0-21swapper/111:36:411
1593499200,19cyclictest0-21swapper/008:25:080
1593799193,1cyclictest28-21ksoftirqd/212:30:182
1593799192,16cyclictest0-21swapper/212:27:372
1593799190,1cyclictest0-21swapper/211:17:522
15934991916,2cyclictest7986-21sed11:40:010
1593499190,1cyclictest0-21swapper/007:49:580
1593499190,18cyclictest0-21swapper/011:54:260
1593499190,18cyclictest0-21swapper/009:05:030
1593799189,5cyclictest0-21swapper/209:04:492
1593799182,1cyclictest0-21swapper/212:23:282
1593799182,15cyclictest28-21ksoftirqd/210:50:012
1593799182,15cyclictest0-21swapper/211:59:572
1593799182,15cyclictest0-21swapper/209:35:152
1593799182,15cyclictest0-21swapper/208:15:132
1593799181,1cyclictest0-21swapper/212:15:012
15937991811,5cyclictest0-21swapper/207:37:432
1593799180,3cyclictest2896-21cron08:39:012
1593799180,17cyclictest9822-21sort11:40:222
1593799180,17cyclictest26681-21apt-config08:25:002
1593799180,17cyclictest0-21swapper/211:34:022
1593799180,16cyclictest4532-21H212:26:332
15935991815,2cyclictest0-21swapper/110:05:191
1593599181,1cyclictest0-21swapper/107:14:261
1593499182,1cyclictest1171-21cat07:40:010
15934991815,2cyclictest29997-21snapd08:12:140
1593499181,1cyclictest0-21swapper/010:56:460
1593499180,3cyclictest998-21gmain12:17:000
1593499180,16cyclictest2049-21systemd-journal10:42:280
1593499180,14cyclictest0-21swapper/010:01:170
1593799172,1cyclictest271rcuc/211:52:522
1593799172,0cyclictest0-21swapper/208:49:032
15937991715,1cyclictest29134-21grep12:15:172
15937991715,1cyclictest28-21ksoftirqd/211:00:182
15937991715,1cyclictest271rcuc/211:05:142
15937991715,1cyclictest271rcuc/207:55:152
15937991715,1cyclictest0-21swapper/209:20:012
15937991715,1cyclictest0-21swapper/208:50:182
15937991714,2cyclictest22808-21latency_hist09:15:012
15937991714,2cyclictest10833-21chrt09:50:102
15937991714,2cyclictest10833-21chrt09:50:102
15937991714,2cyclictest1022-21sed11:25:232
15937991713,3cyclictest3350-21master10:10:002
15937991713,2cyclictest28899-21proc_pri10:20:172
1593799171,1cyclictest28-21ksoftirqd/207:40:152
1593799171,15cyclictest28-21ksoftirqd/210:50:152
1593799171,15cyclictest18489-21sed07:10:242
1593799171,15cyclictest0-21swapper/210:25:152
1593799170,2cyclictest23536-21nvmesmart_nvme007:20:212
1593799170,2cyclictest22687-21expr12:05:152
1593799170,16cyclictest9835-21perf07:55:012
1593799170,16cyclictest6662-21sed07:45:222
1593799170,16cyclictest4528-21H212:26:332
1593799170,16cyclictest3662-21/usr/sbin/munin08:40:182
1593799170,16cyclictest30007-21snapd10:39:492
1593799170,16cyclictest29554-21sed07:30:232
1593799170,16cyclictest26723-21expr07:25:202
1593799170,16cyclictest19457-21/usr/sbin/munin12:00:202
1593799170,16cyclictest1555-21lxd08:13:042
1593799170,16cyclictest12387-21pzem_energy11:45:222
15935991715,1cyclictest0-21swapper/107:26:371
15935991714,2cyclictest6872-21grep12:35:151
15935991714,2cyclictest5342-21latency_hist09:40:011
15935991714,2cyclictest4776-21lxd08:01:041
15935991714,2cyclictest30425-21wc12:20:011
15935991714,2cyclictest21526-21nfsd409:10:161
15935991714,2cyclictest2147-21/usr/sbin/munin11:30:181
15935991714,2cyclictest1845-21systemd-journal12:21:191
15935991714,2cyclictest14334-21perf10:55:011
15935991714,2cyclictest1374-21munin-node12:05:131
15935991714,2cyclictest1299-21lxd10:43:041
1593599170,2cyclictest519-21nfsd409:30:181
1593599170,2cyclictest4776-21lxd09:55:041
1593599170,2cyclictest4593-21H212:26:331
1593599170,2cyclictest28649-21nfsd410:20:151
1593599170,2cyclictest22965-21latency_hist11:10:001
1593599170,2cyclictest21718-21expr08:15:141
1593599170,2cyclictest18656-21munin-plugin-st12:00:001
1593599170,2cyclictest13202-21grep08:55:181
1593599170,2cyclictest12861-21chrt09:51:131
1593599170,2cyclictest12861-21chrt09:51:131
1593599170,16cyclictest8904-21nvmesmart_nvme007:50:201
1593599170,16cyclictest8599-21expr11:40:151
1593599170,16cyclictest8091-21mailstats08:45:201
1593599170,16cyclictest6085-21perf08:45:011
1593599170,16cyclictest5988-21timerwakeupswit12:30:241
1593599170,16cyclictest5875-21smtp10:38:591
1593599170,16cyclictest29849-21cut11:20:171
1593599170,16cyclictest2837-21cron08:39:001
1593599170,16cyclictest27649-21tr09:20:181
1593599170,16cyclictest27070-21cut11:15:171
1593599170,16cyclictest23194-21grep11:10:131
1593599170,16cyclictest21946-21find10:10:121
1593599170,16cyclictest21128-21cat08:15:011
1593599170,16cyclictest2049-21systemd-journal07:39:021
1593599170,16cyclictest18216-21basename08:10:011
1593599170,16cyclictest18086-21grep09:05:161
1593599170,16cyclictest15959-21nfsd410:55:171
1593599170,16cyclictest13739-21tr11:50:141
1593599170,16cyclictest11406-21expr11:45:161
1593599170,16cyclictest10589-21ntpq08:50:181
1593599170,16cyclictest0-21swapper/109:25:131
1593499172,1cyclictest0-21swapper/008:09:280
15934991715,1cyclictest29811-21nfsd411:20:170
15934991714,2cyclictest9344-21cpu10:45:150
15934991714,2cyclictest4492-21Reference12:26:330
15934991714,2cyclictest43732chrt11:30:280
15934991714,2cyclictest30345-21cpuspeed_turbos08:30:120
15934991714,2cyclictest24813-21sed11:10:210
15934991714,2cyclictest16440-21cat07:10:010
15934991714,2cyclictest12721-21fschecks_time10:50:160
15934991714,2cyclictest11627-21munin-plugin-st08:55:000
15934991713,3cyclictest2707-21lxd09:17:040
1593499171,1cyclictest0-21swapper/008:25:010
1593499170,2cyclictest27441-21apache_volume10:20:100
1593499170,16cyclictest4593-21H212:26:330
1593499170,16cyclictest3710-21cat07:40:230
1593499170,16cyclictest22124-21cut12:05:000
1593499170,16cyclictest21728-21smartctl09:10:170
1593499170,16cyclictest20932-21hddtemp_smartct11:05:150
1593499170,16cyclictest18541-21smtp11:59:030
1593499170,16cyclictest1403-21lxd11:19:040
1593499170,16cyclictest12556-21perf08:00:000
1593499170,16cyclictest1120-21/usr/sbin/munin11:25:230
15937991614,1cyclictest9340-21nfsd409:45:192
15937991614,1cyclictest29042-21cpu09:25:132
15937991614,1cyclictest0-21swapper/207:15:152
15937991613,2cyclictest15312-21cat10:55:132
1593799160,1cyclictest4526-21H212:26:332
1593799160,1cyclictest0-21swapper/212:35:152
1593799160,1cyclictest0-21swapper/209:30:162
1593799160,1cyclictest0-21swapper/209:15:152
1593799160,15cyclictest29028-21cat11:20:132
1593799160,15cyclictest13472-21expr08:00:142
1593799160,15cyclictest0-21swapper/211:35:142
1593799160,15cyclictest0-21swapper/210:40:142
1593799160,15cyclictest0-21swapper/210:15:172
1593799160,15cyclictest0-21swapper/210:00:182
1593799160,15cyclictest0-21swapper/209:55:152
15935991614,1cyclictest31732-21/usr/sbin/munin11:25:161
15935991614,1cyclictest0-21swapper/112:00:131
15935991614,1cyclictest0-21swapper/110:45:171
15935991614,1cyclictest0-21swapper/110:35:011
15935991614,1cyclictest0-21swapper/109:15:151
15935991614,1cyclictest0-21swapper/108:25:131
15935991614,1cyclictest0-21swapper/108:20:151
15935991614,1cyclictest0-21swapper/107:55:071
15935991614,1cyclictest0-21swapper/107:42:201
15935991614,1cyclictest0-21swapper/107:30:141
15935991614,1cyclictest0-21swapper/107:24:091
15935991614,1cyclictest0-21swapper/107:15:171
15935991613,2cyclictest30539-21cat10:25:151
15935991613,2cyclictest27073-21chrt12:10:411
1593599160,15cyclictest9058-21kernelversion09:45:181
1593599160,15cyclictest1521-21expr12:25:121
1593599160,15cyclictest0-21swapper/110:20:011
1593599160,15cyclictest0-21swapper/109:40:131
15934991614,1cyclictest7878-21ntpq08:45:180
15934991614,1cyclictest6810-21egrep12:35:150
15934991614,1cyclictest0-21swapper/012:20:140
15934991614,1cyclictest0-21swapper/010:25:150
15934991614,1cyclictest0-21swapper/010:05:220
15934991614,1cyclictest0-21swapper/009:55:120
15934991614,1cyclictest0-21swapper/009:43:380
15934991614,1cyclictest0-21swapper/009:25:170
15934991614,1cyclictest0-21swapper/009:20:010
15934991614,1cyclictest0-21swapper/008:55:190
15934991614,1cyclictest0-21swapper/008:40:010
15934991614,1cyclictest0-21swapper/008:00:110
1593499160,1cyclictest4593-21H212:26:330
1593499160,1cyclictest23736-21awk08:20:010
1593499160,1cyclictest1403-21lxd08:41:040
1593499160,1cyclictest1059-21cups-browsed09:30:210
1593499160,1cyclictest0-21swapper/010:10:170
1593499160,1cyclictest0-21swapper/009:50:160
1593499160,1cyclictest0-21swapper/009:50:160
1593499160,1cyclictest0-21swapper/007:15:170
1593499160,15cyclictest9859-21grep09:45:220
1593499160,15cyclictest656-21cpuspeed_turbos10:30:150
1593499160,15cyclictest5070-21cat12:30:190
1593499160,15cyclictest4500-21VM12:26:330
1593499160,15cyclictest2490-21expr09:35:150
1593499160,15cyclictest2234-21grep12:25:150
1593499160,15cyclictest22270-21ls12:05:150
1593499160,15cyclictest19732-21chrt11:04:170
1593499160,15cyclictest0-21swapper/009:05:010
1593499160,15cyclictest0-21swapper/007:30:140
1593499160,15cyclictest0-21swapper/007:25:210
15935991513,1cyclictest0-21swapper/110:00:141
15934991514,1cyclictest0-21swapper/011:40:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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