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2025-12-11 - 20:01
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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 376 highest latencies:
System rackeslot2.osadl.org (updated Thu Dec 11, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25143462870,4sleep00-21swapper/011:04:220
24623392630,2sleep02462321-21perf10:35:000
24001922460,2sleep20-21swapper/209:58:392
2169286993428,3cyclictest1-21systemd11:20:010
2169289992718,5cyclictest2663554-21basename12:30:001
216928699272,4cyclictest2314010-21apt-get09:10:000
2169289992623,2cyclictest2541372-21/usr/sbin/munin11:20:011
2169286992615,6cyclictest0-21swapper/009:30:000
2169294992421,1cyclictest0-21swapper/210:50:022
2169289992421,2cyclictest2593310-21cron11:50:001
2169289992414,3cyclictest2375573-21cstates09:45:041
2169286992421,2cyclictest2435905-21idleruntime-cro10:20:000
2169286992414,6cyclictest2667505-21kthreadcore12:30:070
2169286992414,5cyclictest0-21swapper/010:30:000
2169294992321,1cyclictest0-21swapper/208:15:012
2169294992320,1cyclictest0-21swapper/212:00:002
2169286992320,2cyclictest2489545-21cut10:50:030
2169286992320,2cyclictest1635-21dbus-daemon11:30:020
2169286992320,2cyclictest1635-21dbus-daemon11:30:020
2169289992219,2cyclictest2680937-21aten2.4-expect12:40:011
2169289992219,2cyclictest2178919-21cpu07:20:001
2169286992219,2cyclictest2302037-21grep09:00:000
2169286992211,6cyclictest0-21swapper/011:55:010
2169286992211,6cyclictest0-21swapper/009:25:010
2169294992119,1cyclictest0-21swapper/210:20:002
2169294992118,1cyclictest0-21swapper/209:50:002
2169294992118,1cyclictest0-21swapper/209:05:012
2169289992118,2cyclictest2619564-21cron12:05:001
2169289992118,2cyclictest0-21swapper/110:55:011
2169289992118,2cyclictest0-21swapper/110:55:011
2169289992111,4cyclictest0-21swapper/110:40:021
2169286992119,1cyclictest2357541-21cat09:35:000
2169286992113,7cyclictest0-21swapper/012:10:020
2169286992113,4cyclictest2675434-21kthreadcore12:35:090
835298200,3rtkit-daemon2025-21snmpd10:21:451
302487291200,2phc2sys0-21swapper/312:25:433
2169294992018,1cyclictest0-21swapper/211:05:022
2169294992017,1cyclictest0-21swapper/208:30:002
2169289992017,2cyclictest2277613-21aten_repower_en08:40:021
2169289992016,3cyclictest2176244-21tr07:15:021
216928999200,10cyclictest2549810-21perf11:25:001
216928699209,6cyclictest0-21swapper/011:40:100
216928699204,8cyclictest2375574-21cstates09:45:040
2169286992017,2cyclictest2191207-21cpuspeed_turbos07:30:010
2169286992017,2cyclictest1635-21dbus-daemon08:20:010
2169286992017,2cyclictest0-21swapper/007:45:020
2169286992013,6cyclictest2586295-21kthreadcore11:45:090
2169286992012,7cyclictest2474164-21kthreadcore10:40:070
2169294991917,1cyclictest0-21swapper/211:50:022
2169294991916,1cyclictest0-21swapper/212:26:352
2169294991916,1cyclictest0-21swapper/210:20:032
2169294991916,1cyclictest0-21swapper/207:25:002
2169289991916,2cyclictest2480001-21/usr/sbin/munin10:45:011
2169289991916,2cyclictest1635-21dbus-daemon11:15:001
2169289991915,2cyclictest0-21swapper/110:05:011
216928699199,6cyclictest0-21swapper/009:40:120
216928699199,1cyclictest2246730-21kworker/u16:1+xprtiod09:11:230
216928699198,6cyclictest0-21swapper/010:15:010
2169286991916,2cyclictest2637210-21aten2.4-expect12:15:000
2169286991916,2cyclictest2498105-21wc10:55:010
2169286991916,2cyclictest2498105-21wc10:55:010
2169286991916,2cyclictest2418987-21cstates10:10:010
2169286991915,3cyclictest0-21swapper/008:25:020
302487291180,2phc2sys0-21swapper/309:47:283
302487291180,2phc2sys0-21swapper/307:50:053
2169294991816,1cyclictest0-21swapper/211:45:012
2169294991816,1cyclictest0-21swapper/211:05:012
2169294991816,1cyclictest0-21swapper/209:40:022
2169294991816,1cyclictest0-21swapper/207:55:022
2169294991812,3cyclictest0-21swapper/212:35:022
2169289991815,2cyclictest2427458-21aten2.4-expect10:15:011
2169289991815,2cyclictest2340210-21systemd-run09:25:011
2169289991815,2cyclictest1635-21dbus-daemon09:20:001
2169289991815,2cyclictest1-21systemd07:40:011
2169289991815,2cyclictest0-21swapper/109:00:011
2169289991814,2cyclictest0-21swapper/112:00:021
2169286991815,2cyclictest2175367-21/usr/sbin/munin07:15:000
2169286991815,2cyclictest1652-1atopacctd11:10:020
2169286991811,1cyclictest601rcuop/311:39:440
2169286991811,1cyclictest2462375-21kworker/u16:3+rpciod10:35:330
2169286991810,7cyclictest2395453-21kthreadcore09:55:080
2169286991810,4cyclictest2528675-21kthreadcore11:10:090
216928699180,6cyclictest2655953-21sed12:25:090
302487291170,2phc2sys0-21swapper/310:23:543
216929499171,7cyclictest0-21swapper/211:20:012
2169294991715,1cyclictest0-21swapper/208:50:022
2169294991715,1cyclictest0-21swapper/208:20:012
2169294991715,1cyclictest0-21swapper/207:30:022
2169294991714,1cyclictest0-21swapper/212:05:022
2169294991714,1cyclictest0-21swapper/211:25:002
2169294991714,1cyclictest0-21swapper/210:45:002
2169294991714,1cyclictest0-21swapper/210:28:262
2169294991714,1cyclictest0-21swapper/210:10:012
2169294991714,1cyclictest0-21swapper/209:35:012
2169294991714,1cyclictest0-21swapper/209:20:002
2169294991714,1cyclictest0-21swapper/209:15:002
2169294991713,2cyclictest0-21swapper/212:20:062
216928999179,3cyclictest0-21swapper/107:35:001
2169289991714,2cyclictest2462668-21aten_repower_vo10:35:021
2169289991714,2cyclictest2241061-21cpuspeed_turbos08:10:051
2169289991714,2cyclictest2221944-21apt-get07:55:001
2169289991714,2cyclictest2209372-21aten_repower_vo07:45:011
2169289991714,2cyclictest1652-1atopacctd11:10:011
2169289991714,2cyclictest0-21swapper/107:25:011
2169289991713,3cyclictest2401509-21cpuspeed10:00:011
2169289991713,3cyclictest2237424-21kthreadcore08:05:061
216928699178,5cyclictest2436862-21cstates10:20:030
216928699176,6cyclictest0-21swapper/011:30:030
216928699176,6cyclictest0-21swapper/010:00:030
2169286991714,2cyclictest2638590-21kthreadcore12:15:060
2169286991714,2cyclictest2271183-21apt-key08:35:000
2169286991714,2cyclictest2265275-21tr08:30:010
2169286991714,2cyclictest2228264-21systemd-run08:00:010
2169286991714,2cyclictest2215950-21cpuspeed_turbos07:50:020
2169286991714,2cyclictest1700-21systemd-logind11:25:020
2169286991710,2cyclictest2277674-21kworker/u16:0-rpciod09:18:180
302487291167,2phc2sys0-21swapper/311:34:563
302487291160,2phc2sys0-21swapper/312:36:533
302487291160,2phc2sys0-21swapper/312:08:343
302487291160,2phc2sys0-21swapper/310:31:583
302487291160,2phc2sys0-21swapper/307:37:113
216929499161,7cyclictest0-21swapper/211:00:012
216929499161,6cyclictest0-21swapper/207:40:002
2169294991614,1cyclictest0-21swapper/208:10:022
2169294991614,1cyclictest0-21swapper/207:50:022
2169294991614,1cyclictest0-21swapper/207:40:032
2169294991613,1cyclictest0-21swapper/210:10:062
2169294991613,1cyclictest0-21swapper/207:15:002
216929499160,5cyclictest0-21swapper/209:10:012
216928999169,3cyclictest2369374-21kthreadcore09:40:081
216928999166,4cyclictest0-21swapper/111:30:001
216928999166,4cyclictest0-21swapper/111:30:001
2169289991613,2cyclictest8351-21rtkit-daemon10:17:491
2169289991613,2cyclictest2650693-21kthreadcore12:20:071
2169289991613,2cyclictest2628925-21latency_hist12:10:021
2169289991613,2cyclictest2584716-21acpi11:45:011
2169289991613,2cyclictest2449277-21kthreadcore10:25:141
2169289991613,2cyclictest2357859-21cpuspeed_turbos09:35:011
2169289991612,3cyclictest0-21swapper/108:05:011
2169289991611,4cyclictest2283617-21systemd-run08:45:011
216928699167,5cyclictest2606751-21kthreadcore11:55:090
216928699167,5cyclictest2386781-21kthreadcore09:50:070
2169286991613,2cyclictest2506551-21cpu11:00:020
2169286991613,2cyclictest2169280-21cyclictest09:05:020
2169286991613,2cyclictest1-21systemd08:50:020
2169286991613,2cyclictest1-21systemd08:45:010
2169286991610,5cyclictest2648805-21kthreadcore12:20:060
302487291150,2phc2sys0-21swapper/309:23:153
2169294991513,1cyclictest0-21swapper/212:40:022
2169294991513,1cyclictest0-21swapper/207:55:102
2169294991513,1cyclictest0-21swapper/207:35:002
2169294991512,2cyclictest0-21swapper/211:50:522
2169294991512,2cyclictest0-21swapper/211:10:092
2169294991512,1cyclictest0-21swapper/211:35:132
2169294991512,1cyclictest0-21swapper/209:40:122
2169294991512,1cyclictest0-21swapper/208:55:102
2169294991512,1cyclictest0-21swapper/208:35:152
2169294991512,1cyclictest0-21swapper/208:05:012
2169289991512,2cyclictest2665582-21kthreadcore12:30:061
2169289991512,2cyclictest2602274-21aten_repower_fr11:55:021
2169289991512,2cyclictest2506548-21cpu11:00:021
2169289991512,2cyclictest2411209-21irqrtprio10:05:061
2169289991512,2cyclictest2289755-21aten2.4-expect08:50:011
2169289991512,2cyclictest2253066-21latency_hist08:20:011
2169289991512,2cyclictest2191443-21cstates07:30:011
2169289991512,2cyclictest1629-21avahi-daemon12:16:061
2169289991512,2cyclictest0-21swapper/111:40:011
2169289991512,2cyclictest0-21swapper/109:55:001
2169289991511,3cyclictest2314098-21kworker/u16:3+nfsiod09:10:531
2169289991511,3cyclictest2289762-21kworker/u16:2+nfsiod09:38:381
216928999150,8cyclictest2271173-21apt-key08:35:001
216928699156,3cyclictest501rcuop/207:50:520
216928699155,2cyclictest191rcu_preempt08:04:570
216928699152,2cyclictest191rcu_preempt08:40:000
2169286991512,2cyclictest2611978-21fschecks_time12:00:050
2169286991512,2cyclictest2366558-21cpu09:40:010
2169286991512,2cyclictest2203528-21wc07:40:010
2169286991512,2cyclictest2197354-21cpu07:35:020
2169286991512,2cyclictest2178015-21grep07:15:040
2169286991511,3cyclictest2292736-21kthreadcore08:50:070
2169286991510,3cyclictest260-21systemd-journal07:24:550
302487291147,3phc2sys0-21swapper/311:58:243
302487291141,2phc2sys0-21swapper/308:59:163
302487291140,2phc2sys0-21swapper/310:58:533
302487291140,2phc2sys0-21swapper/310:44:433
302487291140,2phc2sys0-21swapper/309:29:073
216929499141,7cyclictest0-21swapper/207:19:592
216929499141,6cyclictest0-21swapper/209:30:012
2169294991412,1cyclictest0-21swapper/210:55:002
2169294991412,1cyclictest0-21swapper/210:55:002
2169294991412,1cyclictest0-21swapper/210:00:072
2169294991411,1cyclictest0-21swapper/212:18:162
2169294991411,1cyclictest0-21swapper/212:10:082
2169294991411,1cyclictest0-21swapper/211:30:072
2169294991411,1cyclictest0-21swapper/211:25:092
2169294991411,1cyclictest0-21swapper/211:25:092
2169294991411,1cyclictest0-21swapper/210:35:082
2169294991411,1cyclictest0-21swapper/208:30:062
2169289991411,2cyclictest2631441-21kthreadcore12:10:081
2169289991411,2cyclictest2349061-21aten_repower_po09:30:011
2169289991411,2cyclictest1652-1atopacctd10:45:071
2169289991410,3cyclictest2509750-21kthreadcore11:00:081
2169289991410,3cyclictest2304454-21kthreadcore09:00:061
2169289991410,3cyclictest2292621-21kthreadcore08:50:081
216928699146,3cyclictest2202912-21kworker/0:1+events08:05:050
2169286991411,2cyclictest2240880-21head08:10:040
302487291135,2phc2sys0-21swapper/310:48:553
302487291133,3phc2sys0-21swapper/307:50:013
302487291132,3phc2sys0-21swapper/311:47:303
302487291130,2phc2sys0-21swapper/312:17:013
302487291130,2phc2sys0-21swapper/311:53:083
302487291130,2phc2sys0-21swapper/310:14:163
302487291130,2phc2sys0-21swapper/309:30:453
302487291130,2phc2sys0-21swapper/309:13:003
302487291130,2phc2sys0-21swapper/308:50:003
302487291130,2phc2sys0-21swapper/307:56:063
2169294991311,1cyclictest0-21swapper/209:25:002
2169294991310,1cyclictest0-21swapper/210:30:072
216928999136,5cyclictest1803-21gdbus11:35:011
216928999134,4cyclictest2169392-21cat07:10:021
216928999131,6cyclictest2253628-21grep08:20:031
2169289991310,2cyclictest2309870-21kthreadcore09:05:111
2169289991310,2cyclictest2260324-21kthreadcore08:25:081
2169289991310,2cyclictest2226882-21missed_timers07:55:111
2169289991310,2cyclictest2210206-21idleruntime07:45:041
302487291124,2phc2sys0-21swapper/311:40:093
302487291123,2phc2sys0-21swapper/310:40:023
302487291122,2phc2sys0-21swapper/311:16:133
302487291120,5phc2sys0-21swapper/307:19:593
302487291120,3phc2sys0-21swapper/309:04:593
302487291120,2phc2sys0-21swapper/307:14:433
25231082120,3sleep30-21swapper/311:09:033
2169294991210,1cyclictest0-21swapper/209:50:082
2169294991210,1cyclictest0-21swapper/208:50:072
2169294991210,1cyclictest0-21swapper/208:40:092
2169294991210,1cyclictest0-21swapper/208:20:052
216928699129,2cyclictest0-21swapper/007:10:020
302487291114,3phc2sys0-21swapper/309:50:273
302487291112,2phc2sys0-21swapper/311:26:473
302487291112,2phc2sys0-21swapper/311:26:473
302487291111,2phc2sys0-21swapper/310:17:333
302487291110,3phc2sys0-21swapper/307:40:043
302487291110,2phc2sys0-21swapper/312:04:433
302487291110,2phc2sys0-21swapper/311:35:103
302487291110,2phc2sys0-21swapper/311:02:183
302487291110,2phc2sys0-21swapper/310:05:313
302487291110,2phc2sys0-21swapper/309:43:513
302487291110,1phc2sys0-21swapper/309:06:233
24535112110,1sleep30-21swapper/310:29:553
216929499119,1cyclictest0-21swapper/212:06:242
216929499119,1cyclictest0-21swapper/207:10:012
302487291101,3phc2sys0-21swapper/308:35:133
302487291101,2phc2sys0-21swapper/312:24:023
302487291101,2phc2sys0-21swapper/307:30:063
302487291101,2phc2sys0-21swapper/307:30:023
302487291100,3phc2sys0-21swapper/312:30:083
302487291100,3phc2sys0-21swapper/311:10:483
302487291100,3phc2sys0-21swapper/310:50:313
302487291100,3phc2sys0-21swapper/310:50:313
302487291100,3phc2sys0-21swapper/310:04:393
302487291100,3phc2sys0-21swapper/308:25:083
302487291100,3phc2sys0-21swapper/308:20:073
302487291100,2phc2sys0-21swapper/311:23:383
302487291100,2phc2sys0-21swapper/309:55:053
302487291100,2phc2sys0-21swapper/309:35:053
302487291100,2phc2sys0-21swapper/308:55:013
302487291100,2phc2sys0-21swapper/308:10:013
302487291100,2phc2sys0-21swapper/308:00:073
302487291100,2phc2sys0-21swapper/307:25:013
302487291100,2phc2sys0-21swapper/307:10:023
302487291100,1phc2sys0-21swapper/308:13:263
30248729191,2phc2sys0-21swapper/312:10:523
30248729190,2phc2sys0-21swapper/309:15:213
30248729190,2phc2sys0-21swapper/308:40:023
30248729190,2phc2sys0-21swapper/308:15:063
30248729180,3phc2sys0-21swapper/308:30:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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