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2025-11-16 - 19:16
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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 792 highest latencies:
System rackdslot0.osadl.org (updated Sun Nov 16, 2025 12:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13588992219,2cyclictest32703-21if_lxdbr011:25:190
1358899220,4cyclictest0-21swapper/012:36:440
1358999210,20cyclictest823-21systemd-network07:50:361
1358899214,11cyclictest0-21swapper/009:45:500
1359099200,18cyclictest4526-21H212:26:332
1358899204,15cyclictest4523-21H212:26:330
13588992017,2cyclictest4593-21H212:26:330
13590991914,2cyclictest4523-21H212:26:332
1359099190,5cyclictest0-21swapper/211:07:552
1359099190,1cyclictest0-21swapper/210:40:052
1359099190,16cyclictest4581-21H212:26:332
1359099190,16cyclictest4534-21H212:26:332
1359099190,16cyclictest4526-21H212:26:332
13589991916,1cyclictest4534-21H212:26:331
1358999190,2cyclictest31408-21cat07:40:001
1358999190,16cyclictest4526-21H212:26:331
1358899192,2cyclictest31798-21ntp_offset08:35:210
1359099183,9cyclictest29697-21gpgv08:35:012
1359099182,1cyclictest28-21ksoftirqd/212:20:012
1359099182,1cyclictest28-21ksoftirqd/210:34:432
1359099182,15cyclictest0-21swapper/208:24:012
13590991816,1cyclictest4593-21H212:26:332
13590991816,1cyclictest28-21ksoftirqd/207:43:082
13590991816,1cyclictest25554-21taskset10:17:542
13590991815,2cyclictest28116-21taskset10:20:272
13590991814,3cyclictest4538-21H212:26:332
13590991814,3cyclictest4538-21H212:26:332
13590991814,3cyclictest4530-21H212:26:332
13590991814,3cyclictest4530-21H212:26:332
1359099181,16cyclictest5881-21nfsd412:30:192
1359099181,16cyclictest31083-21chrt11:20:502
1359099180,2cyclictest4526-21H212:26:332
1359099180,1cyclictest0-21swapper/207:45:162
1359099180,17cyclictest4528-21H212:26:332
1359099180,17cyclictest414-20systemd-journal10:04:552
1359099180,17cyclictest11018-21sed08:55:182
1359099180,16cyclictest4538-21H212:26:332
13589991815,2cyclictest8579-21grep07:55:161
13589991815,2cyclictest3640-21grep10:35:191
13589991814,3cyclictest0-21swapper/107:45:161
1358999181,16cyclictest21781-21smtpd12:04:211
1358999180,2cyclictest4593-21H212:26:331
1358999180,2cyclictest4593-21H212:26:331
1358999180,2cyclictest4528-21H212:26:331
1358999180,17cyclictest823-21systemd-network10:15:511
1358999180,17cyclictest4526-21H212:26:331
1358999180,17cyclictest0-21swapper/108:05:101
1358899182,2cyclictest22198-21date12:05:010
1358899182,15cyclictest12321-21cut09:00:010
13588991816,1cyclictest9-21ksoftirqd/009:05:110
13588991816,1cyclictest9-21ksoftirqd/008:18:520
13588991815,2cyclictest4526-21H212:26:330
1358899181,2cyclictest0-21swapper/007:45:210
1358899181,1cyclictest0-21swapper/008:49:200
1358899180,3cyclictest4536-21H212:26:330
1358899180,2cyclictest4530-21H212:26:330
1358899180,17cyclictest26524-21perf09:25:010
1358899180,17cyclictest0-21swapper/012:05:210
13590991715,1cyclictest0-21swapper/207:59:022
13590991714,2cyclictest8076-21if_err_lxdbr008:50:172
13590991714,2cyclictest4534-21H212:26:332
13590991714,2cyclictest4534-21H212:26:332
13590991714,2cyclictest4530-21H212:26:332
13590991714,2cyclictest4523-21H212:26:332
13590991714,2cyclictest4523-21H212:26:332
13590991714,2cyclictest27358-21ntpq07:30:202
13590991714,2cyclictest24802-21taskset07:25:262
13590991714,2cyclictest20461-21uname12:00:172
13590991714,2cyclictest16778-21/usr/sbin/munin11:55:162
13590991714,2cyclictest16709-21cron11:00:002
13590991714,2cyclictest11160-21expr08:00:182
13590991714,2cyclictest11160-21expr08:00:182
13590991714,2cyclictest10417-21chrt11:43:562
13590991713,3cyclictest4530-21H212:26:332
1359099171,15cyclictest0-21swapper/210:05:232
1359099170,2cyclictest4593-21H212:26:332
1359099170,2cyclictest4534-21H212:26:332
1359099170,2cyclictest4528-21H212:26:332
1359099170,2cyclictest24659-21cpuspeed_turbos08:25:162
1359099170,1cyclictest4523-21H212:26:332
1359099170,1cyclictest0-21swapper/208:40:202
1359099170,1cyclictest0-21swapper/207:53:332
1359099170,16cyclictest967-21thermald07:35:252
1359099170,16cyclictest781-21ntp_kernel_pll_11:25:212
1359099170,16cyclictest4538-21H212:26:332
1359099170,16cyclictest28326-21wc12:15:152
1359099170,16cyclictest23782-21expr11:10:142
1359099170,16cyclictest1603-21lxd11:54:482
1359099170,16cyclictest1603-21lxd11:54:482
1359099170,16cyclictest15965-21grep09:05:182
1359099170,16cyclictest13638-21threads09:55:232
1359099170,15cyclictest4526-21H212:26:332
1358999172,1cyclictest0-21swapper/110:46:011
1358999172,15cyclictest21-21ksoftirqd/109:04:221
13589991716,1cyclictest21-21ksoftirqd/108:55:211
13589991715,1cyclictest21-21ksoftirqd/112:25:181
13589991715,1cyclictest21-21ksoftirqd/107:41:241
13589991714,3cyclictest0-21swapper/110:40:211
13589991714,2cyclictest970-21dbus-daemon08:50:221
13589991714,2cyclictest5332-21mailstats09:40:221
13589991714,2cyclictest4581-21H212:26:331
13589991714,2cyclictest4534-21H212:26:331
13589991714,2cyclictest4528-21H212:26:331
13589991714,2cyclictest4413-21expr08:45:151
13589991714,2cyclictest414-20systemd-journal08:00:011
13589991714,2cyclictest414-20systemd-journal08:00:011
13589991714,2cyclictest3199-21chrt08:42:061
13589991714,2cyclictest29564-21cron08:35:011
13589991714,2cyclictest24730-21cpuspeed_turbos08:25:161
13589991714,2cyclictest2378-21cpuspeed_turbos11:30:151
13589991714,2cyclictest16167-21seq10:00:221
13589991714,2cyclictest10777-21cat11:45:001
13589991713,3cyclictest4523-21H212:26:331
1358999171,1cyclictest4530-21H212:26:331
1358999170,2cyclictest4593-21H212:26:331
1358999170,2cyclictest4593-21H212:26:331
1358999170,2cyclictest4538-21H212:26:331
1358999170,2cyclictest4534-21H212:26:331
1358999170,2cyclictest4526-21H212:26:331
1358999170,2cyclictest29336-21expr10:25:151
1358999170,2cyclictest25452-21sed11:10:221
1358999170,1cyclictest0-21swapper/110:25:011
1358999170,16cyclictest4581-21H212:26:331
1358999170,16cyclictest4536-21H212:26:331
1358999170,16cyclictest4530-21H212:26:331
1358999170,16cyclictest4528-21H212:26:331
1358999170,16cyclictest4526-21H212:26:331
1358999170,16cyclictest31731-21cut12:20:151
1358999170,16cyclictest28549-21proxymap11:18:531
1358999170,16cyclictest1603-21lxd09:15:061
1358999170,16cyclictest0-21swapper/107:11:421
1358999170,15cyclictest4581-21H212:26:331
1358899172,1cyclictest16063-21nvmesmart_nvme010:00:220
13588991715,1cyclictest6823-21missed_timers10:40:210
13588991715,1cyclictest0-21swapper/008:00:170
13588991715,1cyclictest0-21swapper/008:00:160
13588991715,1cyclictest0-21swapper/007:17:200
13588991714,2cyclictest4593-21H212:26:330
13588991714,2cyclictest4581-21H212:26:330
13588991714,2cyclictest4581-21H212:26:330
13588991714,2cyclictest4538-21H212:26:330
13588991714,2cyclictest4536-21H212:26:330
13588991714,2cyclictest4530-21H212:26:330
13588991714,2cyclictest27454-21ps07:30:220
13588991714,2cyclictest2182-21fschecks_time12:25:190
13588991714,2cyclictest17692-21apt-key10:05:010
13588991714,2cyclictest16366-21gpgv11:55:010
13588991714,2cyclictest16366-21gpgv11:55:010
13588991713,3cyclictest0-21swapper/009:25:260
1358899171,15cyclictest4526-21H212:26:330
1358899170,2cyclictest9278-21missed_timers11:40:190
1358899170,2cyclictest4593-21H212:26:330
1358899170,2cyclictest4536-21H212:26:330
1358899170,2cyclictest4530-21H212:26:330
1358899170,2cyclictest4530-21H212:26:330
1358899170,2cyclictest4526-21H212:26:330
1358899170,2cyclictest3005-21which11:30:160
1358899170,2cyclictest29390-21chrt08:32:440
1358899170,2cyclictest1404-21lxd09:41:060
1358899170,2cyclictest11366-21cat11:45:140
1358899170,1cyclictest0-21swapper/010:12:170
1358899170,16cyclictest9363-21cpuspeed_turbos09:50:140
1358899170,16cyclictest4581-21H212:26:330
1358899170,16cyclictest4538-21H212:26:330
1358899170,16cyclictest4526-21H212:26:330
1358899170,16cyclictest4523-21H212:26:330
1358899170,16cyclictest32009-21ls10:30:170
1358899170,16cyclictest21708-21nvmesmart_nvme011:05:200
1358899170,16cyclictest15010-21turbostat.cron09:05:010
1358899170,16cyclictest1079-21gdbus10:55:220
1358899170,16cyclictest10084-21chrt07:57:520
13590991614,1cyclictest17552-21/usr/sbin/munin11:00:122
13590991614,1cyclictest0-21swapper/209:30:132
13590991614,1cyclictest0-21swapper/207:20:222
1359099161,1cyclictest28-21ksoftirqd/209:45:162
1359099160,15cyclictest13989-21nfsd409:00:202
1359099160,15cyclictest0-21swapper/211:30:132
1359099160,15cyclictest0-21swapper/210:25:182
13589991614,1cyclictest21785-21acpi08:20:131
13589991614,1cyclictest21-21ksoftirqd/110:30:061
13589991614,1cyclictest0-21swapper/109:20:161
13589991614,1cyclictest0-21swapper/107:30:021
13589991614,1cyclictest0-21swapper/107:15:241
13589991611,2cyclictest4593-21H212:26:331
1358999160,15cyclictest17528-21http_loadtime11:55:161
1358999160,15cyclictest15828-21chrt11:53:161
1358999160,15cyclictest15828-21chrt11:53:161
1358999160,15cyclictest129632chrt11:46:281
1358999160,15cyclictest0-21swapper/112:35:181
1358999160,15cyclictest0-21swapper/111:20:051
1358999160,15cyclictest0-21swapper/108:10:121
1358999160,15cyclictest0-21swapper/107:20:121
13588991614,1cyclictest0-21swapper/012:10:010
13588991614,1cyclictest0-21swapper/010:35:190
13588991614,1cyclictest0-21swapper/010:15:160
13588991614,1cyclictest0-21swapper/009:10:180
13588991613,2cyclictest6754-21cupsd07:41:220
13588991613,2cyclictest4593-21H212:26:330
1358899160,2cyclictest29398-21expr10:25:150
1358899160,1cyclictest0-21swapper/009:15:140
1358899160,15cyclictest29843-21cpuspeed_turbos09:30:130
1358899160,15cyclictest29443-21grep07:35:190
1358899160,15cyclictest0-21swapper/011:57:330
1358899160,15cyclictest0-21swapper/008:40:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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