You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-08-26 - 18:50
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 792 highest latencies:
System rackdslot0.osadl.org (updated Tue Aug 26, 2025 12:46:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20821993121,9cyclictest28-21ksoftirqd/210:18:012
20818992416,4cyclictest0-21swapper/007:15:010
2082199230,19cyclictest0-21swapper/209:28:582
2081999234,13cyclictest1195-21munin-run09:25:001
20819992322,1cyclictest0-21swapper/109:00:131
20819992317,3cyclictest31110-21nfsd407:25:191
2081999220,18cyclictest0-21swapper/112:24:371
2081899222,14cyclictest0-21swapper/009:11:020
2081899210,4cyclictest0-21swapper/009:35:010
2082199203,16cyclictest0-21swapper/208:22:332
2081999204,1cyclictest0-21swapper/112:34:301
2081999204,1cyclictest0-21swapper/112:34:291
20821991916,2cyclictest4593-21H212:26:332
2082199190,16cyclictest4523-21H212:26:332
20819991917,1cyclictest0-21swapper/110:49:531
20819991914,1cyclictest0-21swapper/109:39:071
20818991916,2cyclictest0-21swapper/011:52:070
20821991816,1cyclictest7156-21kernelversion07:40:182
20821991816,1cyclictest23662-21chrt11:56:472
20821991816,1cyclictest0-21swapper/208:32:592
20821991815,2cyclictest8301-21taskset10:32:452
2082199180,2cyclictest4536-21H212:26:332
2082199180,2cyclictest13702-21perf08:50:012
2082199180,2cyclictest11926-21nvmesmart_nvme011:35:212
2082199180,18cyclictest0-21swapper/208:40:182
2082199180,17cyclictest1603-21lxd11:45:032
2082199180,16cyclictest10887-21cpuspeed_turbos09:40:152
20819991815,2cyclictest4538-21H212:26:331
20819991815,2cyclictest4534-21H212:26:331
20819991815,2cyclictest15475-21taskset11:41:391
20819991814,3cyclictest28660-21ps10:10:221
2081999180,3cyclictest16638-21find08:55:011
2081999180,2cyclictest4534-21H212:26:331
2081999180,2cyclictest4534-21H212:26:331
2081999180,2cyclictest4528-21H212:26:331
2081999180,1cyclictest4528-21H212:26:331
2081999180,1cyclictest4528-21H212:26:331
2081999180,15cyclictest4528-21H212:26:331
20818991816,1cyclictest0-21swapper/010:45:440
20818991815,2cyclictest13068-21ntp_offset07:50:190
2081899181,16cyclictest7274-21missed_timers10:30:240
2081899180,3cyclictest16463-21date08:55:000
20821991715,1cyclictest0-21swapper/207:10:192
20821991714,2cyclictest9422-21cat07:45:152
20821991714,2cyclictest9422-21cat07:45:142
20821991714,2cyclictest8544-21munin-run12:29:592
20821991714,2cyclictest4593-21H212:26:332
20821991714,2cyclictest4593-21H212:26:332
20821991714,2cyclictest454-21plymouthd09:35:152
20821991714,2cyclictest27961-21cat09:15:012
20821991714,2cyclictest23091-21processes10:00:222
20821991714,2cyclictest22420-21python308:10:012
20821991714,2cyclictest20842-21taskset11:50:292
20821991714,2cyclictest14247-21latency_hist12:40:002
20821991713,3cyclictest4534-21H212:26:332
2082199171,15cyclictest26465-21chrt10:08:102
2082199170,2cyclictest970-21dbus-daemon11:25:222
2082199170,2cyclictest7209-21proc_pri08:35:212
2082199170,2cyclictest4538-21H212:26:332
2082199170,2cyclictest27536-21lxd11:11:022
2082199170,2cyclictest25198-21grep07:15:212
2082199170,2cyclictest24777-21systemctl08:10:232
2082199170,2cyclictest24769-21expr12:00:142
2082199170,2cyclictest15919-21processes07:55:222
2082199170,1cyclictest4593-21H212:26:332
2082199170,1cyclictest4593-21H212:26:332
2082199170,1cyclictest4534-21H212:26:332
2082199170,1cyclictest0-21swapper/211:15:192
2082199170,16cyclictest32352-21latency_hist07:30:012
2082199170,16cyclictest29709-21cut07:25:022
2082199170,16cyclictest26333-21expr08:15:172
2082199170,16cyclictest22786-21acpi11:00:142
2082199170,16cyclictest17617-21pzem_current09:50:192
2082199170,16cyclictest17602-21expr10:50:142
2082199170,16cyclictest1702-21cpuspeed_turbos11:20:142
2082199170,16cyclictest13852-21expr09:45:142
2082199170,16cyclictest12432-21fschecks_count10:40:152
2082199170,16cyclictest1048-21apt-get09:25:012
2082199170,16cyclictest0-21swapper/212:19:192
2082199170,16cyclictest0-21swapper/211:06:592
2082199170,16cyclictest0-21swapper/208:25:162
2082199170,15cyclictest31830-21cat12:10:252
20819991715,1cyclictest0-21swapper/111:48:531
20819991714,2cyclictest4593-21H212:26:331
20819991714,2cyclictest4538-21H212:26:331
20819991714,2cyclictest31017-21lxd10:03:031
20819991714,2cyclictest25111-21perf11:05:001
20819991714,2cyclictest15334-21kernelversion07:55:191
20819991714,2cyclictest11130-21cat09:40:151
20819991713,3cyclictest7605-21apt-config11:30:021
2081999171,1cyclictest156712chrt09:49:591
2081999171,15cyclictest21-21ksoftirqd/111:36:321
2081999171,15cyclictest0-21swapper/109:15:191
2081999170,2cyclictest4536-21H212:26:331
2081999170,2cyclictest4528-21H212:26:331
2081999170,2cyclictest4523-21H212:26:331
2081999170,2cyclictest4344-21missed_timers07:35:181
2081999170,2cyclictest32636-21processes11:15:211
2081999170,2cyclictest23368-21fschecks_count09:05:191
2081999170,1cyclictest4536-21H212:26:331
2081999170,16cyclictest7208-21ps08:35:211
2081999170,16cyclictest7022-21if_eno112:25:151
2081999170,16cyclictest4534-21H212:26:331
2081999170,16cyclictest4528-21H212:26:331
2081999170,16cyclictest4523-21H212:26:331
2081999170,16cyclictest2815-21gmain11:51:521
2081999170,16cyclictest2669-21/usr/sbin/munin08:30:131
2081999170,16cyclictest26159-21fschecks_count11:05:151
2081999170,16cyclictest2498-21cron12:17:001
2081999170,16cyclictest22411-21nfsd407:10:181
2081999170,16cyclictest19958-21chrt10:55:031
2081999170,16cyclictest19321-21anacron08:03:171
2081999170,16cyclictest17247-21/usr/sbin/munin10:50:161
2081999170,16cyclictest13148-21wc12:35:201
2081999170,16cyclictest12764-21cat07:50:171
2081999170,16cyclictest11794-21/usr/sbin/munin10:40:131
2081999170,15cyclictest4523-21H212:26:331
2081899172,1cyclictest0-21swapper/011:22:130
20818991715,1cyclictest0-21swapper/007:26:480
20818991714,2cyclictest6849-21ls08:35:190
20818991714,2cyclictest6533-21ls12:25:130
20818991714,2cyclictest32674-21cpuspeed_turbos07:30:140
20818991714,2cyclictest32331-21perf12:15:010
20818991714,2cyclictest28589-21expr09:15:150
20818991714,2cyclictest14976-21plymouth09:45:210
20818991714,2cyclictest1104-21lldpd10:42:480
20818991714,2cyclictest10210-21grep12:30:230
20818991714,2cyclictest10210-21grep12:30:220
20818991714,2cyclictest0-21swapper/011:35:190
20818991714,1cyclictest0-21swapper/010:20:160
20818991714,1cyclictest0-21swapper/010:20:150
20818991714,1cyclictest0-21swapper/007:45:230
20818991714,1cyclictest0-21swapper/007:45:230
2081899171,15cyclictest28251-21chrt08:19:470
2081899170,2cyclictest995-21irqbalance07:59:520
2081899170,2cyclictest8474-21fschecks_time11:30:170
2081899170,2cyclictest4538-21H212:26:330
2081899170,2cyclictest4536-21H212:26:330
2081899170,2cyclictest4523-21H212:26:330
2081899170,1cyclictest4523-21H212:26:330
2081899170,16cyclictest7910-21switchtime07:40:210
2081899170,16cyclictest4538-21H212:26:330
2081899170,16cyclictest32667-21sendmail_mailqu09:20:230
2081899170,16cyclictest29490-21cron10:15:000
2081899170,16cyclictest21087-21missed_timers10:55:180
2081899170,16cyclictest20617-21/usr/sbin/munin08:05:190
2081899170,16cyclictest19361-21seq08:57:440
2081899170,16cyclictest0-21swapper/012:20:200
2081899170,15cyclictest4534-21H212:26:330
2081899170,15cyclictest4523-21H212:26:330
20821991614,1cyclictest3766-21expr10:25:132
20821991614,1cyclictest10370-21ps10:35:252
20821991614,1cyclictest0-21swapper/210:20:132
20821991614,1cyclictest0-21swapper/210:20:122
20821991614,1cyclictest0-21swapper/209:55:202
20821991614,1cyclictest0-21swapper/209:00:172
20821991614,1cyclictest0-21swapper/208:55:162
20821991614,1cyclictest0-21swapper/207:35:192
20821991613,2cyclictest14155-21sed11:40:162
2082199160,1cyclictest0-21swapper/212:30:262
2082199160,1cyclictest0-21swapper/212:30:262
2082199160,1cyclictest0-21swapper/209:05:252
2082199160,15cyclictest13094-21nvmesmart_nvme007:50:202
2082199160,15cyclictest0-21swapper/212:20:212
2082199160,15cyclictest0-21swapper/210:10:152
20819991614,1cyclictest0-21swapper/111:25:141
20819991614,1cyclictest0-21swapper/110:08:061
20819991614,1cyclictest0-21swapper/107:45:141
20819991614,1cyclictest0-21swapper/107:45:131
20819991614,1cyclictest0-21swapper/107:40:121
20819991614,1cyclictest0-21swapper/107:30:111
20819991613,2cyclictest2783-21cut11:20:171
2081999160,2cyclictest16181-21grep09:50:141
2081999160,1cyclictest0-21swapper/112:10:221
2081999160,1cyclictest0-21swapper/109:10:161
2081999160,1cyclictest0-21swapper/108:05:201
2081999160,15cyclictest18807-21/usr/sbin/munin09:55:201
2081999160,15cyclictest0-21swapper/110:15:211
2081999160,15cyclictest0-21swapper/109:25:151
2081999160,0cyclictest0-21swapper/107:20:091
20818991614,1cyclictest3441-21gsd-color10:26:040
20818991614,1cyclictest0-21swapper/012:15:180
20818991614,1cyclictest0-21swapper/011:45:220
20818991614,1cyclictest0-21swapper/011:25:220
20818991614,1cyclictest0-21swapper/010:15:180
20818991614,1cyclictest0-21swapper/008:45:170
20818991614,1cyclictest0-21swapper/008:25:170
20818991614,1cyclictest0-21swapper/008:10:180
20818991614,1cyclictest0-21swapper/007:35:250
20818991614,1cyclictest0-21swapper/007:20:020
20818991613,2cyclictest4534-21H212:26:330
20818991613,2cyclictest23292-21switchtime10:00:220
2081899160,1cyclictest8818-21missed_timers09:35:180
2081899160,1cyclictest26149-21fschecks_count11:05:150
2081899160,1cyclictest0-21swapper/009:55:210
2081899160,1cyclictest0-21swapper/008:20:150
2081899160,15cyclictest4593-21H212:26:330
2081899160,15cyclictest27958-21if_err_lxdbr012:05:160
2081899160,15cyclictest27958-21if_err_lxdbr012:05:160
2081899160,15cyclictest23483-21fschecks_time11:00:190
2081899160,15cyclictest21460-21cut09:00:210
2081899160,15cyclictest17718-21expr08:00:160
2081899160,15cyclictest14642-21nfsd411:40:190
2081899160,15cyclictest13576-21timerwakeupswit12:35:220
2081899160,15cyclictest1059-21cups-browsed10:36:210
2081899160,15cyclictest0-21swapper/011:15:190
2081899160,15cyclictest0-21swapper/011:10:160
2081899160,15cyclictest0-21swapper/010:05:220
2081899160,15cyclictest0-21swapper/009:40:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional