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2026-08-25 - 01:34
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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 rackeslot2.osadl.org (updated Mon Aug 24, 2026 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
200562322300,2sleep30-21swapper/312:29:573
17114242980,2sleep11711430-21kthreadcore09:45:021
18873812720,1sleep00-21swapper/011:22:350
18971142370,1sleep01897116-21ssh11:29:120
20184082310,2sleep12018413-21sd-close12:35:041
1481766992217,1cyclictest82050irq/121-eno109:20:001
1481759992212,5cyclictest0-21swapper/011:39:400
148176699217,5cyclictest0-21swapper/111:29:381
1481759992114,2cyclictest1521689-21/usr/sbin/munin07:40:020
1481759992110,6cyclictest0-21swapper/009:10:020
1481766992017,2cyclictest1818463-21kthreadcore10:45:011
1481766992017,2cyclictest1818463-21kthreadcore10:45:011
148175999203,9cyclictest1816844-21cpuspeed_turbos10:44:550
148175999203,9cyclictest1816844-21cpuspeed_turbos10:44:550
18639052190,2sleep20-21swapper/211:10:022
1481772991911,2cyclictest0-21swapper/207:25:022
1481766991916,2cyclictest1674663-21ssh09:25:031
1481759991910,5cyclictest1930642-21timerandwakeup11:45:060
1481759991910,5cyclictest1773014-21irqrtprio10:19:590
2213291180,1phc2sys0-21swapper/310:23:063
16825112180,2sleep20-21swapper/209:29:482
15745942180,2sleep11572628-21appstreamcli08:15:031
148176699183,5cyclictest0-21swapper/110:04:381
1481766991815,2cyclictest1844824-21turbostat11:00:001
1481766991815,2cyclictest1657962-21grep09:15:011
1481766991814,3cyclictest1483578-21kthreadcore07:10:031
1481766991814,3cyclictest1481750-21cyclictest08:19:591
1481759991815,2cyclictest1952608-21kthreadcore12:00:030
1481759991815,2cyclictest1652973-21mailstats09:10:060
1481759991811,6cyclictest24617-21JS14:54:060
2213291170,2phc2sys0-21swapper/312:37:563
2213291170,2phc2sys0-21swapper/312:15:273
2213291170,2phc2sys0-21swapper/311:23:173
1481772991714,1cyclictest0-21swapper/210:34:572
1481772991713,2cyclictest0-21swapper/212:15:022
1481766991714,2cyclictest1952158-21irqcore12:00:011
1481766991714,2cyclictest1930982-21sh11:45:311
1481766991714,2cyclictest1803787-21latency_hist10:35:021
1481766991714,2cyclictest1586211-21idleruntime-cro08:25:011
1481766991713,3cyclictest797-21polkitd11:10:021
148175999178,5cyclictest1188-21runrttasks11:04:470
148175999176,6cyclictest0-21swapper/011:19:380
1481759991715,1cyclictest1837953-21/usr/sbin/munin10:55:010
1481759991713,3cyclictest1921256-21kthreadcore11:40:050
148175999170,4cyclictest1768498-21/usr/sbin/munin10:15:010
148175999170,4cyclictest1768498-21/usr/sbin/munin10:15:010
2213291160,1phc2sys0-21swapper/309:42:133
148177299169,3cyclictest0-21swapper/209:14:382
148177299168,5cyclictest1804837-21chrt10:35:062
148177299161,10cyclictest0-21swapper/211:05:032
1481766991613,2cyclictest778-21dbus-daemon11:20:021
1481766991613,2cyclictest1853893-21ssh11:05:011
1481766991613,2cyclictest1792808-21kthreadcore10:30:021
1481766991613,2cyclictest1783882-21kthreadcore10:25:021
1481766991613,2cyclictest1536995-21kthreadcore07:49:581
1481766991612,3cyclictest1967119-21kworker/u16:3+nfsiod12:20:181
1481766991612,3cyclictest1733466-21ptp4l-jitter09:55:081
1481766991612,3cyclictest1719586-21kthreadcore09:50:021
1481766991612,3cyclictest1647517-21cut09:09:561
1481766991612,3cyclictest1608870-21908:40:011
1481766991610,5cyclictest1554698-21tr08:00:041
1481766991610,2cyclictest82050irq/121-eno112:15:041
148175999168,7cyclictest0-21swapper/010:24:390
148175999167,5cyclictest2002612-21/usr/sbin/munin12:25:080
148175999165,7cyclictest1996369-21cpu12:24:540
148175999163,2cyclictest1701083-21awk09:39:590
148175999161,8cyclictest1843998-21ls10:59:570
1481759991613,2cyclictest778-21dbus-daemon09:45:030
1481759991613,2cyclictest1553359-21kthreadcore08:00:030
1481759991612,3cyclictest1955622-21kthreadcore12:00:040
1481759991612,3cyclictest1755657-21kthreadcore10:10:000
1481759991612,3cyclictest1713714-21kthreadcore09:45:040
1481759991612,3cyclictest1555214-21kthreadcore08:00:040
1481759991612,3cyclictest1488231-21kthreadcore07:14:590
1481759991610,5cyclictest932-1atopacctd10:28:350
1481759991610,4cyclictest1799515-21sort10:34:580
148175999160,1cyclictest0-21swapper/007:49:350
2213291150,3phc2sys0-21swapper/312:21:363
2213291150,2phc2sys0-21swapper/311:01:123
2213291150,2phc2sys0-21swapper/310:54:533
17540182152,6sleep30-21swapper/310:09:393
15010852150,2sleep30-21swapper/307:24:563
1481772991512,1cyclictest0-21swapper/212:10:012
1481772991512,1cyclictest0-21swapper/211:48:462
1481772991512,1cyclictest0-21swapper/210:15:062
1481772991512,1cyclictest0-21swapper/209:15:112
1481772991512,1cyclictest0-21swapper/209:10:012
148176699157,3cyclictest0-21swapper/112:35:071
148176699157,3cyclictest0-21swapper/109:25:071
148176699152,4cyclictest1906282-21ssh11:34:391
148176699152,4cyclictest1906282-21ssh11:34:391
148176699151,9cyclictest1754032-21ssh10:09:391
148176699151,7cyclictest1564777-21cat08:10:011
148176699151,3cyclictest491rcuog/210:50:521
148176699151,3cyclictest0-21swapper/111:24:381
1481766991512,2cyclictest778-21dbus-daemon08:00:021
1481766991512,2cyclictest777-21avahi-daemon07:30:051
1481766991512,2cyclictest24616-21JS14:54:061
1481766991512,2cyclictest1970946-21kthreadcore12:10:011
1481766991512,2cyclictest1921872-21timerwakeupswit11:40:091
1481766991512,2cyclictest1611142-21needreboot08:40:031
1481766991512,2cyclictest1602140-21kthreadcore08:35:021
1481766991512,2cyclictest1512423-21kthreadcore07:30:011
1481766991512,2cyclictest1481750-21cyclictest11:39:581
1481766991512,2cyclictest1-21systemd11:55:021
1481766991511,3cyclictest1991667-21kthreadcore12:20:031
1481766991511,3cyclictest1775054-21kthreadcore10:20:031
1481766991511,3cyclictest1727736-21fschecks_count09:54:581
1481766991511,3cyclictest1500169-21mailstats07:20:091
1481766991511,3cyclictest1481750-21cyclictest08:54:581
1481766991511,3cyclictest1481750-21cyclictest08:54:581
148175999156,2cyclictest0-21swapper/009:25:060
148175999154,6cyclictest1747406-21kthreadcore10:05:020
148175999153,7cyclictest0-21swapper/009:34:360
148175999153,7cyclictest0-21swapper/009:24:390
148175999152,2cyclictest0-21swapper/012:16:400
148175999151,5cyclictest1808011-21ssh10:39:570
1481759991512,2cyclictest24648-21gmain11:53:430
1481759991512,2cyclictest24615-21JS14:54:060
1481759991512,2cyclictest1979515-21kthreadcore12:15:000
1481759991512,2cyclictest1970906-21kthreadcore12:10:010
1481759991512,2cyclictest1604370-21sendmail_mailqu08:35:060
1481759991511,3cyclictest2024485-21kthreadcore12:40:000
1481759991511,3cyclictest1903553-21phc2sys11:30:050
1481759991511,3cyclictest1903553-21phc2sys11:30:050
1481759991511,3cyclictest1866486-21kthreadcore11:10:040
1481759991511,3cyclictest1866486-21kthreadcore11:10:040
1481759991511,3cyclictest1857948-21kthreadcore11:05:050
1481759991511,3cyclictest1826988-21kthreadcore10:49:590
1481759991511,3cyclictest1660818-21kworker/u16:3+nfsiod09:58:070
1481759991511,3cyclictest1643000-21kthreadcore09:05:010
1481759991511,3cyclictest1622201-21kthreadcore08:50:030
1481759991511,3cyclictest1622201-21kthreadcore08:50:030
1481759991511,3cyclictest1600404-21kthreadcore08:35:000
1481759991511,3cyclictest1570934-21sh08:14:570
1481759991511,3cyclictest1543798-21kthreadcore07:55:000
1481759991511,3cyclictest1530163-21kthreadcore07:45:010
1481759991511,3cyclictest1506115-21kthreadcore07:25:030
1481759991511,2cyclictest1502216-21apt07:25:000
148175999150,10cyclictest1670103-21kthreadcore09:20:020
2213291145,2phc2sys0-21swapper/312:14:113
2213291141,6phc2sys0-21swapper/307:19:393
2213291140,5phc2sys0-21swapper/309:16:053
2213291140,2phc2sys0-21swapper/311:56:403
2213291140,2phc2sys0-21swapper/311:07:293
2213291140,2phc2sys0-21swapper/310:41:223
2213291140,2phc2sys0-21swapper/310:41:223
2213291140,1phc2sys0-21swapper/311:17:563
148177299149,1cyclictest0-21swapper/207:39:572
148177299141,8cyclictest0-21swapper/212:04:392
148177299141,7cyclictest0-21swapper/212:39:382
1481772991412,1cyclictest0-21swapper/208:15:042
1481772991412,1cyclictest0-21swapper/208:05:032
1481772991412,1cyclictest0-21swapper/207:55:032
1481772991411,2cyclictest0-21swapper/207:30:042
1481772991411,1cyclictest0-21swapper/211:44:092
1481772991411,1cyclictest0-21swapper/211:30:032
1481772991411,1cyclictest0-21swapper/210:55:012
1481772991411,1cyclictest0-21swapper/210:29:362
1481772991411,1cyclictest0-21swapper/210:09:592
1481772991411,1cyclictest0-21swapper/209:55:592
1481772991411,1cyclictest0-21swapper/209:45:032
1481772991411,1cyclictest0-21swapper/208:49:402
1481772991411,1cyclictest0-21swapper/208:40:032
1481772991411,1cyclictest0-21swapper/208:25:022
1481772991411,1cyclictest0-21swapper/207:40:462
1481772991410,2cyclictest0-21swapper/210:55:072
1481772991410,2cyclictest0-21swapper/210:40:132
1481772991410,2cyclictest0-21swapper/210:40:132
1481772991410,2cyclictest0-21swapper/210:04:482
148177299140,6cyclictest0-21swapper/209:45:362
148176699145,7cyclictest1767502-21cut10:15:001
148176699145,7cyclictest1767502-21cut10:15:001
1481766991411,2cyclictest797-21polkitd08:30:021
1481766991411,2cyclictest1810929-21kthreadcore10:40:031
1481766991411,2cyclictest1481750-21cyclictest11:12:351
1481766991411,2cyclictest1481750-21cyclictest11:12:351
1481766991411,2cyclictest0-21swapper/107:55:011
1481766991411,1cyclictest0-21swapper/112:04:391
1481766991410,3cyclictest1633732-21gltestperf08:59:581
1481766991410,3cyclictest1529736-21irqrtprio07:45:001
1481766991410,3cyclictest1523605-21kthreadcore07:39:581
1481766991410,3cyclictest1492523-21kthreadcore07:15:041
148176699140,2cyclictest0-21swapper/109:04:381
148175999149,4cyclictest1721529-21kthreadcore09:50:040
148175999143,6cyclictest0-21swapper/012:32:160
1481759991411,2cyclictest1513819-21pmu-power07:30:040
1481759991410,3cyclictest1616841-21kthreadcore08:45:030
1481759991410,3cyclictest1591402-21aten_repower_cu08:29:390
1481759991410,3cyclictest1585539-21irqcore08:25:000
148175999140,10cyclictest0-21swapper/008:09:580
2213291131,5phc2sys0-21swapper/311:34:383
2213291131,5phc2sys0-21swapper/311:34:383
2213291130,3phc2sys0-21swapper/309:49:393
2213291130,2phc2sys0-21swapper/309:25:303
2213291130,2phc2sys0-21swapper/309:14:383
2213291130,2phc2sys0-21swapper/308:29:193
2213291130,2phc2sys0-21swapper/307:49:473
17438392130,2sleep30-21swapper/310:02:083
148177299132,6cyclictest0-21swapper/208:19:382
1481772991311,1cyclictest0-21swapper/212:35:042
1481772991311,1cyclictest0-21swapper/212:19:552
1481772991311,1cyclictest0-21swapper/208:45:012
1481772991311,1cyclictest0-21swapper/208:10:022
1481772991310,1cyclictest0-21swapper/212:20:072
1481772991310,1cyclictest0-21swapper/208:34:552
148176699139,3cyclictest1615442-21kthreadcore08:45:031
148176699138,3cyclictest82050irq/121-eno112:26:421
148176699137,2cyclictest1650666-21diskmemload09:30:471
1481766991310,2cyclictest1827210-21kthreadcore10:49:591
1481766991310,2cyclictest1701286-21irqcore09:40:001
1481759991311,1cyclictest1481750-21cyclictest08:55:050
1481759991310,2cyclictest1612522-21cstates08:44:560
1481759991310,2cyclictest1483355-21kthreadcore07:10:030
2213291122,2phc2sys0-21swapper/310:36:293
2213291120,2phc2sys0-21swapper/312:34:393
2213291120,2phc2sys0-21swapper/309:22:333
2213291120,2phc2sys0-21swapper/308:45:053
2213291120,2phc2sys0-21swapper/308:40:323
2213291120,2phc2sys0-21swapper/307:50:063
2213291120,1phc2sys0-21swapper/310:13:343
2213291120,1phc2sys0-21swapper/310:13:343
148177299129,1cyclictest0-21swapper/212:26:102
148177299129,1cyclictest0-21swapper/211:57:432
148177299129,1cyclictest0-21swapper/211:53:242
148177299129,1cyclictest0-21swapper/211:21:392
148177299129,1cyclictest0-21swapper/211:15:302
148177299129,1cyclictest0-21swapper/210:22:152
148177299129,1cyclictest0-21swapper/208:56:142
148177299129,1cyclictest0-21swapper/208:26:332
148177299129,1cyclictest0-21swapper/207:15:032
1481772991210,1cyclictest0-21swapper/211:31:172
1481772991210,1cyclictest0-21swapper/211:31:172
1481772991210,1cyclictest0-21swapper/211:10:052
1481772991210,1cyclictest0-21swapper/211:10:052
1481772991210,1cyclictest0-21swapper/209:50:072
1481772991210,1cyclictest0-21swapper/209:40:032
1481772991210,1cyclictest0-21swapper/209:04:572
1481772991210,1cyclictest0-21swapper/208:00:012
1481772991210,1cyclictest0-21swapper/207:29:592
2213291113,2phc2sys0-21swapper/311:13:493
2213291113,2phc2sys0-21swapper/311:13:493
2213291111,5phc2sys0-21swapper/311:29:383
2213291111,2phc2sys0-21swapper/307:10:023
2213291110,4phc2sys0-21swapper/311:37:583
2213291110,3phc2sys0-21swapper/310:34:563
2213291110,3phc2sys0-21swapper/310:25:233
2213291110,3phc2sys0-21swapper/309:56:243
2213291110,2phc2sys0-21swapper/312:01:323
2213291110,2phc2sys0-21swapper/311:54:573
2213291110,2phc2sys0-21swapper/309:09:373
2213291110,2phc2sys0-21swapper/308:24:173
2213291110,1phc2sys0-21swapper/310:48:153
2213291110,1phc2sys0-21swapper/307:39:483
148177299119,1cyclictest0-21swapper/211:35:072
148177299119,1cyclictest0-21swapper/209:33:062
148177299119,1cyclictest0-21swapper/208:50:062
148177299119,1cyclictest0-21swapper/208:50:062
148177299119,1cyclictest0-21swapper/207:49:582
148177299119,1cyclictest0-21swapper/207:16:552
148177299118,2cyclictest0-21swapper/210:14:002
148177299118,2cyclictest0-21swapper/210:14:002
148177299118,1cyclictest0-21swapper/210:45:392
148177299117,3cyclictest0-21swapper/209:24:042
2213291101,2phc2sys0-21swapper/310:55:093
2213291100,3phc2sys0-21swapper/309:34:443
2213291100,3phc2sys0-21swapper/308:37:053
2213291100,2phc2sys0-21swapper/311:46:123
2213291100,2phc2sys0-21swapper/311:44:443
2213291100,2phc2sys0-21swapper/310:19:013
2213291100,2phc2sys0-21swapper/309:37:123
2213291100,2phc2sys0-21swapper/309:00:403
2213291100,2phc2sys0-21swapper/308:54:383
2213291100,2phc2sys0-21swapper/308:54:383
2213291100,2phc2sys0-21swapper/308:32:103
2213291100,2phc2sys0-21swapper/307:30:063
2213291100,2phc2sys0-21swapper/307:28:303
221329191,2phc2sys0-21swapper/309:50:473
221329191,2phc2sys0-21swapper/308:15:113
221329190,3phc2sys0-21swapper/307:14:583
221329190,2phc2sys0-21swapper/312:05:093
221329190,2phc2sys0-21swapper/308:58:353
221329190,2phc2sys0-21swapper/308:10:103
221329190,2phc2sys0-21swapper/308:09:563
221329190,2phc2sys0-21swapper/307:55:073
221329190,2phc2sys0-21swapper/307:44:563
14817729997,1cyclictest0-21swapper/207:10:032
221329180,2phc2sys0-21swapper/308:00:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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