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2026-07-06 - 01:48
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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 Sun Jul 05, 2026 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3071599225,11cyclictest0-21swapper/207:22:162
3071599212,12cyclictest3978-21H222:10:212
30715992117,3cyclictest3987-21H222:10:212
30715992114,3cyclictest0-21swapper/208:23:282
30715992112,5cyclictest0-21swapper/208:55:172
30715992018,1cyclictest0-21swapper/212:22:312
3071599200,17cyclictest3989-21H222:10:212
30710992018,1cyclictest13033-21ntp_kernel_pll_11:20:180
30710992015,4cyclictest13866-21fschecks_time12:20:140
30710992014,5cyclictest0-21swapper/009:20:170
30715991917,1cyclictest28-21ksoftirqd/207:34:522
30715991917,1cyclictest0-21swapper/207:40:192
3071599190,2cyclictest3979-21H222:10:212
3071599190,16cyclictest4035-21H222:10:212
3071599190,16cyclictest3991-21H222:10:212
3071599190,16cyclictest3985-21H222:10:212
3071599190,16cyclictest3981-21H222:10:212
30711991917,1cyclictest0-21swapper/108:52:481
3071199190,17cyclictest22620-21nvmesmart_nvme010:40:201
3071199190,16cyclictest3991-21H222:10:211
3071099193,15cyclictest0-21swapper/011:28:280
30710991917,1cyclictest0-21swapper/008:08:450
30710991916,2cyclictest3979-21H222:10:210
30710991915,3cyclictest4456-21cron09:15:000
30710991914,3cyclictest11069-21fschecks_time09:25:160
30710991914,1cyclictest0-21swapper/010:27:000
3071599182,15cyclictest3976-21H222:10:212
30715991816,1cyclictest0-21swapper/209:06:522
30715991815,2cyclictest5458-21seq08:17:142
30715991815,2cyclictest3985-21H222:10:212
3071599181,16cyclictest3976-21H222:10:212
3071599181,15cyclictest4099-21H222:10:212
3071599180,3cyclictest1829-21systemd-journal08:46:532
3071599180,2cyclictest3981-21H222:10:212
3071599180,17cyclictest4099-21H222:10:212
3071599180,17cyclictest4035-21H222:10:212
3071599180,17cyclictest3979-21H222:10:212
3071599180,17cyclictest3976-21H222:10:212
3071599180,16cyclictest3979-21H222:10:212
3071199182,15cyclictest29406-21nfsd411:50:171
3071199182,15cyclictest0-21swapper/111:37:581
30711991817,1cyclictest21-21ksoftirqd/107:47:381
30711991816,1cyclictest3981-21H222:10:211
30711991815,2cyclictest3976-21H222:10:211
30711991815,2cyclictest3976-21H222:10:211
30711991814,3cyclictest3985-21H222:10:211
30711991814,3cyclictest0-21swapper/110:21:251
3071199181,16cyclictest3979-21H222:10:211
3071199180,3cyclictest3991-21H222:10:211
3071199180,2cyclictest3989-21H222:10:211
3071199180,2cyclictest3987-21H222:10:211
3071199180,1cyclictest25926-21nfsd409:50:171
3071199180,17cyclictest9145-21/usr/sbin/munin08:25:211
3071199180,17cyclictest2007-21systemd-journal09:37:231
3071199180,17cyclictest10151-21lxd08:34:421
3071199180,17cyclictest0-21swapper/112:05:141
3071199180,15cyclictest3979-21H222:10:211
30710991816,1cyclictest3981-21H222:10:210
30710991816,1cyclictest0-21swapper/009:41:510
30710991815,2cyclictest3238-21nfsd412:00:170
30710991815,2cyclictest19688-21nfsd407:45:180
30710991814,2cyclictest25976-21cut09:50:170
3071099180,2cyclictest3989-21H222:10:210
3071099180,2cyclictest3989-21H222:10:210
3071099180,2cyclictest3987-21H222:10:210
3071099180,2cyclictest3979-21H222:10:210
3071099180,16cyclictest3991-21H222:10:210
3071099180,15cyclictest3976-21H222:10:210
30715991716,1cyclictest28-21ksoftirqd/207:35:442
30715991715,1cyclictest0-21swapper/209:38:012
30715991715,1cyclictest0-21swapper/209:30:152
30715991714,2cyclictest4099-21H222:10:212
30715991714,2cyclictest4035-21H222:10:212
30715991714,2cyclictest3987-21H222:10:212
30715991714,2cyclictest3979-21H222:10:212
30715991714,2cyclictest25323-21fschecks_count09:50:142
30715991714,2cyclictest22310-21/usr/sbin/munin12:35:152
30715991714,2cyclictest22209-21grep07:50:152
3071599171,1cyclictest0-21swapper/210:45:182
3071599171,15cyclictest28-21ksoftirqd/210:25:472
3071599170,2cyclictest530-21vmstat07:10:232
3071599170,2cyclictest4035-21H222:10:212
3071599170,2cyclictest3989-21H222:10:212
3071599170,2cyclictest3981-21H222:10:212
3071599170,2cyclictest28944-21missed_timers09:55:172
3071599170,2cyclictest19569-21grep10:35:182
3071599170,2cyclictest18992-21proc_pri08:40:212
3071599170,16cyclictest9263-21pzem_voltage12:10:232
3071599170,16cyclictest4035-21H222:10:212
3071599170,16cyclictest3981-21H222:10:212
3071599170,16cyclictest3976-21H222:10:212
3071599170,16cyclictest27204-21threads11:45:212
3071599170,16cyclictest22669-21fschecks_time09:45:142
3071599170,16cyclictest15899-21processes11:25:192
3071599170,16cyclictest1521-21lxd12:26:422
3071599170,16cyclictest14504-21snapd10:40:272
3071599170,16cyclictest11953-21processes12:15:192
30711991715,1cyclictest7168-21ls11:10:161
30711991714,2cyclictest3991-21H222:10:211
30711991714,2cyclictest3991-21H222:10:211
30711991714,2cyclictest3981-21H222:10:211
30711991714,2cyclictest3976-21H222:10:211
30711991714,2cyclictest3247-21sort07:15:211
30711991714,2cyclictest32039-21grep11:55:151
30711991714,2cyclictest31232-21/usr/sbin/munin09:05:161
30711991714,2cyclictest28033-21ntp_kernel_pll_10:50:201
30711991714,2cyclictest27688-21ls08:00:161
30711991714,2cyclictest2408-21fschecks_count12:00:141
30711991714,2cyclictest23277-21postgres07:53:581
30711991714,2cyclictest15604-21/usr/sbin/munin07:40:131
30711991713,3cyclictest3991-21H222:10:211
3071199170,2cyclictest4707-21nfsd408:15:181
3071199170,2cyclictest3985-21H222:10:211
3071199170,2cyclictest3981-21H222:10:211
3071199170,2cyclictest3981-21H222:10:211
3071199170,2cyclictest29364-21pzem_current09:55:201
3071199170,2cyclictest14802-21vmstat10:25:231
3071199170,2cyclictest1476-21needreboot08:10:181
3071199170,2cyclictest1085-21gdbus10:45:211
3071199170,1cyclictest0-21swapper/110:07:551
3071199170,1cyclictest0-21swapper/109:02:071
3071199170,1cyclictest0-21swapper/108:40:051
3071199170,16cyclictest5559-21fschecks_time09:15:151
3071199170,16cyclictest4035-21H222:10:211
3071199170,16cyclictest3991-21H222:10:211
3071199170,16cyclictest3991-21H222:10:211
3071199170,16cyclictest3985-21H222:10:211
3071199170,16cyclictest3981-21H222:10:211
3071199170,16cyclictest31149-21nvmesmart_nvme008:05:181
3071199170,16cyclictest2584-21apache_volume11:05:121
3071199170,16cyclictest22823-21latency_hist08:50:021
3071199170,16cyclictest1516-21lxd07:28:411
3071199170,16cyclictest14482-21timerandwakeup07:35:241
3071199170,16cyclictest1348-21lxd09:40:421
3071199170,16cyclictest12579-21kernelversion11:20:171
3071199170,16cyclictest10056-21tail11:15:171
30710991715,1cyclictest3989-21H222:10:210
30710991715,1cyclictest0-21swapper/007:30:050
30710991714,2cyclictest9053-21sed07:25:220
30710991714,2cyclictest5819-21expr07:20:190
30710991714,2cyclictest4772-21ls11:05:220
30710991714,2cyclictest4099-21H222:10:210
30710991714,2cyclictest3979-21H222:10:210
30710991714,2cyclictest3976-21H222:10:210
30710991714,2cyclictest3450-21gsd-color09:05:150
30710991714,2cyclictest23914-21awk09:45:220
30710991714,2cyclictest17795-21cat08:40:140
30710991714,2cyclictest17727-21cut11:30:140
30710991713,3cyclictest3979-21H222:10:210
30710991713,3cyclictest25598-21grep11:45:140
3071099171,15cyclictest0-21swapper/012:36:190
3071099171,15cyclictest0-21swapper/008:10:220
3071099170,2cyclictest5539-21smartctl12:05:140
3071099170,2cyclictest4035-21H222:10:210
3071099170,2cyclictest3991-21H222:10:210
3071099170,2cyclictest3989-21H222:10:210
3071099170,2cyclictest3985-21H222:10:210
3071099170,2cyclictest3979-21H222:10:210
3071099170,2cyclictest3979-21H222:10:210
3071099170,2cyclictest30604-21nfsd410:55:190
3071099170,2cyclictest24250-21nfsd408:50:190
3071099170,2cyclictest19824-21/usr/sbin/munin11:35:120
3071099170,2cyclictest17048-21fschecks_time09:35:140
3071099170,2cyclictest1377-21lxd08:38:420
3071099170,2cyclictest12011-21readlink12:15:190
3071099170,1cyclictest0-21swapper/009:33:460
3071099170,16cyclictest3991-21H222:10:210
3071099170,16cyclictest32634-21cat11:00:150
3071099170,16cyclictest27593-21tune2fs08:00:150
3071099170,16cyclictest27400-21awk08:55:200
3071099170,16cyclictest2007-21systemd-journal11:57:540
3071099170,16cyclictest19859-21wc10:35:220
3071099170,16cyclictest17142-21sendmail_mailst10:30:190
30715991614,1cyclictest0-21swapper/212:05:122
30715991614,1cyclictest0-21swapper/212:00:172
30715991614,1cyclictest0-21swapper/211:05:142
30715991614,1cyclictest0-21swapper/210:50:162
30715991614,1cyclictest0-21swapper/209:40:112
3071599160,15cyclictest1910-21expr07:15:132
3071599160,15cyclictest0-21swapper/210:05:152
3071599160,15cyclictest0-21swapper/208:10:142
3071599160,15cyclictest0-21swapper/208:05:162
30711991614,1cyclictest0-21swapper/111:00:051
30711991614,1cyclictest0-21swapper/110:35:141
30711991614,1cyclictest0-21swapper/108:55:211
3071199160,15cyclictest77222sleep112:10:141
3071199160,15cyclictest0-21swapper/110:55:171
3071199160,15cyclictest0-21swapper/109:45:131
30710991614,1cyclictest3981-21H222:10:210
30710991614,1cyclictest0-21swapper/010:15:550
30710991614,1cyclictest0-21swapper/007:15:170
3071099160,15cyclictest3989-21H222:10:210
3071099160,15cyclictest17402-21timerandwakeup07:40:240
3071099160,15cyclictest0-21swapper/012:30:130
3071099160,15cyclictest0-21swapper/008:20:130
3071099160,0cyclictest0-21swapper/007:50:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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