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2026-06-24 - 12:11
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack0slot2.osadl.org (updated Wed Jun 24, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127534525948,8sleep40-21swapper/419:07:294
1275765994745,2cyclictest1865779-21kworker/u16:3+events_unbound00:09:334
1275765994442,2cyclictest1806918-21kworker/u16:0+events_unbound23:09:324
12752922436,31sleep70-21swapper/719:06:437
1275765994139,2cyclictest536606-21kworker/u16:1+flush-8:021:24:334
1275765994037,2cyclictest1237065-21kworker/u16:2+events_unbound19:14:374
127536424030,7sleep50-21swapper/519:07:465
1275766993432,2cyclictest1525513-21kworker/u16:4+flush-8:021:49:485
1275766993432,2cyclictest1525513-21kworker/u16:4+flush-8:021:49:485
1275765993432,2cyclictest536606-21kworker/u16:1+events_unbound22:05:494
1275765993432,2cyclictest1721466-21kworker/u16:3+events_unbound22:49:124
12751952349,8sleep60-21swapper/619:05:226
1275765993331,2cyclictest1807325-21kworker/u16:4+events_unbound23:56:324
1275765993331,2cyclictest1709300-21kworker/u16:2+flush-8:022:40:174
1275765993331,2cyclictest1660382-21kworker/u16:0+events_unbound22:59:244
1275765993230,2cyclictest1525514-21kworker/u16:5+events_unbound22:25:294
1275765993129,2cyclictest536606-21kworker/u16:1+events_unbound21:46:484
1275765993129,2cyclictest1929921-21kworker/u16:0+events_unbound00:18:174
1275765993129,2cyclictest1865779-21kworker/u16:3+events_unbound00:04:284
1275765993129,2cyclictest1792448-21kworker/u16:1+events_unbound23:29:164
1275765993129,2cyclictest1525513-21kworker/u16:4+events_unbound22:18:534
1275765993129,2cyclictest1517412-21kworker/u16:3+events_unbound21:13:304
16087562300,0chrt1608754-21ssh21:45:327
1275765993028,2cyclictest1525513-21kworker/u16:4+events_unbound22:01:294
1275765993028,2cyclictest1405199-21kworker/u16:3+events_unbound20:20:094
127577599290,27cyclictest1721232-21latency_hist22:34:337
127577599290,27cyclictest1721232-21latency_hist22:34:337
1275765992927,2cyclictest536606-21kworker/u16:1+flush-8:021:30:094
1275765992927,2cyclictest1721466-21kworker/u16:3+events_unbound23:15:374
1275775992827,0cyclictest0-21swapper/721:42:107
1275765992827,1cyclictest1865779-21kworker/u16:3+events_unbound23:39:084
1275765992826,2cyclictest2003056-21kworker/u16:1+events_unbound00:33:204
1275765992826,2cyclictest1929921-21kworker/u16:0+events_unbound00:28:214
1275765992826,2cyclictest1807325-21kworker/u16:4+events_unbound23:41:254
1275765992826,2cyclictest1792448-21kworker/u16:1+events_unbound23:31:174
1275765992826,2cyclictest1525513-21kworker/u16:4+flush-8:021:58:414
1275765992826,2cyclictest1525513-21kworker/u16:4+events_unbound21:27:334
1275775992722,4cyclictest650-21systemd-journal19:14:397
1275765992725,2cyclictest1865779-21kworker/u16:3+events_unbound00:35:294
1275765992725,2cyclictest1721466-21kworker/u16:3+events_unbound23:12:084
1275765992725,2cyclictest1709300-21kworker/u16:2+events_unbound22:51:334
1275765992725,2cyclictest1660382-21kworker/u16:0+events_unbound22:11:044
1275765992724,2cyclictest1328354-21kworker/u16:0+events_unbound21:14:414
1275775992625,0cyclictest0-21swapper/723:20:207
1275770992624,2cyclictest536606-21kworker/u16:1+events_unbound19:29:486
1275766992624,2cyclictest1525514-21kworker/u16:5+events_unbound22:19:495
1275765992624,2cyclictest1929921-21kworker/u16:0+events_unbound00:21:444
1275765992624,2cyclictest1792448-21kworker/u16:1+flush-8:023:20:214
1275765992624,2cyclictest1721466-21kworker/u16:3+events_unbound23:02:084
1275765992624,2cyclictest1525513-21kworker/u16:4+events_unbound21:50:074
1275765992624,2cyclictest1525513-21kworker/u16:4+events_unbound21:50:074
1275765992623,2cyclictest1880648-21kworker/u16:5+events_unbound23:49:374
1275765992623,2cyclictest1265933-21kworker/u16:4+events_unbound19:09:364
1275775992524,0cyclictest0-21swapper/721:53:507
1275775992524,0cyclictest0-21swapper/721:53:507
1275766992523,2cyclictest536606-21kworker/u16:1+flush-8:020:44:495
1275766992523,2cyclictest1660382-21kworker/u16:0+flush-8:022:34:385
1275765992523,2cyclictest536606-21kworker/u16:1+events_unbound21:38:334
1275765992523,2cyclictest1792448-21kworker/u16:1+events_unbound23:46:534
1275765992523,2cyclictest1721466-21kworker/u16:3+events_unbound22:35:254
1275765992523,2cyclictest1660382-21kworker/u16:0+events_unbound22:22:534
1275765992523,2cyclictest1525514-21kworker/u16:5+flush-8:022:32:324
1275765992523,2cyclictest1525514-21kworker/u16:5+flush-8:022:32:324
1275775992423,0cyclictest0-21swapper/723:48:197
1275775992423,0cyclictest0-21swapper/719:59:227
1275766992422,2cyclictest536606-21kworker/u16:1+flush-8:022:29:485
1275766992422,2cyclictest536606-21kworker/u16:1+flush-8:022:29:485
1275766992422,2cyclictest1347684-21kworker/u16:4+events_unbound20:09:485
1275765992422,2cyclictest536606-21kworker/u16:1+flush-8:021:41:574
1275775992322,0cyclictest0-21swapper/723:39:417
1275770992321,2cyclictest2003056-21kworker/u16:1+events_unbound00:34:486
1275766992321,2cyclictest1880648-21kworker/u16:5+flush-8:023:44:575
1275766992321,2cyclictest1721466-21kworker/u16:3+flush-8:022:39:525
1275766992320,2cyclictest1328354-21kworker/u16:0+flush-8:021:14:565
1275765992321,2cyclictest1929973-21kworker/u16:1+events_unbound00:12:124
1275765992321,2cyclictest1347684-21kworker/u16:4+flush-8:019:49:544
1275765992320,3cyclictest1328354-21kworker/u16:0+events_unbound19:44:574
1275775992221,0cyclictest0-21swapper/721:05:537
1275775992221,0cyclictest0-21swapper/721:05:537
1275775992220,1cyclictest1721708-21ssh22:34:447
1275766992220,2cyclictest1347684-21kworker/u16:4+events_unbound19:54:535
1275775992120,0cyclictest0-21swapper/722:25:227
1275775992120,0cyclictest0-21swapper/720:18:537
1275775992120,0cyclictest0-21swapper/719:41:027
1275775992120,0cyclictest0-21swapper/719:39:097
1275775992120,0cyclictest0-21swapper/719:39:097
1275775992115,5cyclictest1285357-21latency_hist19:14:347
1275766992119,2cyclictest536606-21kworker/u16:1+flush-8:021:34:495
1275766992119,2cyclictest1598050-21kworker/u16:0+flush-8:021:45:025
1275775992019,0cyclictest0-21swapper/721:02:067
1275775992019,0cyclictest0-21swapper/720:22:017
1275775992019,0cyclictest0-21swapper/719:33:097
1275775992019,0cyclictest0-21swapper/700:29:457
1275775992018,1cyclictest0-21swapper/720:29:527
1275766992018,2cyclictest536606-21kworker/u16:1+events_unbound20:39:485
1275766992018,2cyclictest1464633-21kworker/u16:2+flush-8:020:54:495
1275766992018,2cyclictest1347684-21kworker/u16:4+flush-8:020:04:495
1275765992018,2cyclictest536606-21kworker/u16:1+flush-8:019:35:074
1275765992018,2cyclictest536606-21kworker/u16:1+flush-8:019:35:074
1275775991918,0cyclictest0-21swapper/720:34:417
1275775991916,2cyclictest0-21swapper/723:50:107
1275770991917,2cyclictest536606-21kworker/u16:1+flush-8:021:24:496
1275766991917,2cyclictest1792448-21kworker/u16:1+flush-8:023:44:285
1275766991917,2cyclictest1721466-21kworker/u16:3+events_unbound23:00:305
1275766991917,2cyclictest1525513-21kworker/u16:4+flush-8:021:19:565
1275775991817,0cyclictest0-21swapper/720:40:427
1275775991817,0cyclictest0-21swapper/720:07:047
1275775991817,0cyclictest0-21swapper/719:47:377
1275775991817,0cyclictest0-21swapper/719:25:537
1275775991817,0cyclictest0-21swapper/700:15:177
1275775991815,2cyclictest1929525-21idleruntime-cro23:59:337
1275766991816,2cyclictest1929921-21kworker/u16:0+flush-8:000:09:285
1275766991816,2cyclictest1347684-21kworker/u16:4+events_unbound20:16:545
1275766991816,2cyclictest1328354-21kworker/u16:0+events_unbound21:08:105
1275766991816,2cyclictest1328354-21kworker/u16:0+events_unbound21:08:105
1275775991716,0cyclictest0-21swapper/719:22:097
127577599171,14cyclictest1669089-21ssh22:09:567
127577599170,1cyclictest0-21swapper/721:59:577
1275766991715,2cyclictest536606-21kworker/u16:1+events_unbound20:20:015
1275766991715,2cyclictest536606-21kworker/u16:1+events_unbound19:15:555
1275766991715,2cyclictest1978582-21kworker/u16:2+events_unbound00:24:485
1275766991715,2cyclictest1709300-21kworker/u16:2+flush-8:022:45:245
1275766991715,2cyclictest1525513-21kworker/u16:4+flush-8:022:15:205
1275766991715,2cyclictest1347684-21kworker/u16:4+flush-8:020:00:045
1275775991615,0cyclictest0-21swapper/720:53:507
1275775991613,2cyclictest0-21swapper/700:34:337
1275775991612,3cyclictest1278-21snmpd22:52:327
1275775991611,3cyclictest1278-21snmpd23:19:027
1275770991615,1cyclictest1525514-21kworker/u16:5+events_unbound22:04:586
1275770991612,3cyclictest536606-21kworker/u16:1+flush-8:020:29:596
1275766991614,2cyclictest1929921-21kworker/u16:0+events_unbound00:19:475
1275766991614,2cyclictest1807325-21kworker/u16:4+events_unbound23:59:335
1275766991614,2cyclictest1807325-21kworker/u16:4+events_unbound23:23:425
1275766991614,2cyclictest1806918-21kworker/u16:0+flush-8:023:09:545
1275766991614,2cyclictest1792448-21kworker/u16:1+flush-8:023:35:255
1275766991614,2cyclictest1660382-21kworker/u16:0+events_unbound22:25:005
1275765991614,2cyclictest536606-21kworker/u16:1+flush-8:021:05:034
1275765991614,2cyclictest536606-21kworker/u16:1+flush-8:021:05:034
1275775991514,0cyclictest0-21swapper/721:56:487
1275775991514,0cyclictest0-21swapper/720:54:477
1275775991514,0cyclictest0-21swapper/720:11:007
1275775991513,1cyclictest1756968-21ssh22:47:427
1275775991512,2cyclictest0-21swapper/721:29:347
127577599150,14cyclictest0-21swapper/722:04:577
1275770991513,2cyclictest536606-21kworker/u16:1+flush-8:019:35:046
1275770991513,2cyclictest536606-21kworker/u16:1+flush-8:019:35:046
1275770991513,2cyclictest536606-21kworker/u16:1+events_unbound21:29:486
1275770991513,2cyclictest1721466-21kworker/u16:3+flush-8:022:55:046
127577099150,1cyclictest0-21swapper/623:41:396
1275766991513,2cyclictest1880648-21kworker/u16:5+flush-8:023:49:495
1275766991513,2cyclictest1660382-21kworker/u16:0+flush-8:022:54:285
1275766991513,2cyclictest1525513-21kworker/u16:4+events_unbound21:43:175
1275766991513,2cyclictest1347684-21kworker/u16:4+events_unbound19:52:115
1275766991513,2cyclictest1347684-21kworker/u16:4+events_unbound19:45:325
1275766991513,2cyclictest1328354-21kworker/u16:0+flush-8:020:34:535
1275766991513,2cyclictest1285394-21kworker/u16:3+events_unbound19:23:355
1275766991513,2cyclictest1237065-21kworker/u16:2+events_unbound19:12:285
1275766991512,2cyclictest1405199-21kworker/u16:3+flush-8:020:24:395
1275766991512,2cyclictest1405199-21kworker/u16:3+flush-8:020:24:395
1275765991513,2cyclictest1347684-21kworker/u16:4+flush-8:019:55:074
1275775991413,0cyclictest0-21swapper/723:05:197
127577599140,13cyclictest0-21swapper/722:19:577
1275770991413,1cyclictest0-21swapper/623:24:466
1275770991413,1cyclictest0-21swapper/622:30:046
1275770991413,1cyclictest0-21swapper/622:30:046
1275770991413,1cyclictest0-21swapper/621:19:556
127577099140,1cyclictest0-21swapper/622:04:326
127577099140,14cyclictest86-21ksoftirqd/623:08:046
127577099140,14cyclictest0-21swapper/623:50:006
127577099140,14cyclictest0-21swapper/623:16:256
127577099140,14cyclictest0-21swapper/600:01:026
1275766991412,2cyclictest536606-21kworker/u16:1+flush-8:020:30:035
1275766991412,2cyclictest1525514-21kworker/u16:5+events_unbound21:58:215
1275766991412,2cyclictest1525513-21kworker/u16:4+flush-8:021:59:585
1275766991412,2cyclictest1337000-21kworker/u16:2+events_unbound19:43:075
1275766991412,2cyclictest1328354-21kworker/u16:0+flush-8:021:10:035
1275766991412,2cyclictest1265933-21kworker/u16:4+events_unbound19:24:495
1275765991412,2cyclictest536606-21kworker/u16:1+events_unbound20:32:184
1275765991412,2cyclictest536606-21kworker/u16:1+events_unbound19:30:414
1275765991412,2cyclictest1347684-21kworker/u16:4+events_unbound20:14:574
1275765991412,2cyclictest1328354-21kworker/u16:0+flush-8:020:49:504
127577599139,3cyclictest1278-21snmpd22:58:177
127577599139,3cyclictest1278-21snmpd21:10:327
1275775991311,1cyclictest1930741-21ssh23:59:487
1275775991311,1cyclictest0-21swapper/721:35:037
127577099138,4cyclictest1869522-21cat23:34:476
1275770991312,1cyclictest0-21swapper/622:49:476
1275770991311,2cyclictest1929921-21kworker/u16:0+flush-8:000:19:486
127577099130,13cyclictest0-21swapper/621:17:146
1275766991312,1cyclictest0-21swapper/500:14:435
1275766991311,2cyclictest536606-21kworker/u16:1+events_unbound19:37:275
1275766991311,2cyclictest536606-21kworker/u16:1+events_unbound19:37:275
1275766991311,2cyclictest1929973-21kworker/u16:1+flush-8:000:09:485
1275766991311,2cyclictest1721466-21kworker/u16:3+events_unbound22:54:445
1275766991311,2cyclictest1525514-21kworker/u16:5+events_unbound22:08:435
1275766991311,2cyclictest1285394-21kworker/u16:3+events_unbound19:30:315
127576699130,1cyclictest0-21swapper/523:27:065
1275765991311,2cyclictest1328354-21kworker/u16:0+events_unbound20:29:184
1275765991311,2cyclictest1328354-21kworker/u16:0+events_unbound20:29:184
1275765991311,2cyclictest1285394-21kworker/u16:3+flush-8:019:24:544
127577599129,2cyclictest1278-21snmpd20:49:227
127577599128,3cyclictest6247-21gmain22:39:557
127577599128,3cyclictest1278-21snmpd23:34:487
127577599128,3cyclictest1278-21snmpd00:28:197
127577599125,6cyclictest6169-21evolution-alarm00:20:017
1275775991211,0cyclictest0-21swapper/719:49:487
127577599120,11cyclictest650-21systemd-journal23:29:287
127577599120,11cyclictest1549876-21turbostat21:24:337
127577599120,11cyclictest1278-21snmpd00:12:377
127577099128,3cyclictest1967196-21cstates00:14:456
127577099128,3cyclictest1458401-21kthreadcore20:39:526
127577099123,8cyclictest1810322-21tr23:09:526
1275770991211,1cyclictest0-21swapper/621:41:596
1275770991210,2cyclictest1929921-21kworker/u16:0+events_unbound00:30:016
1275770991210,2cyclictest1792448-21kworker/u16:1+flush-8:023:19:486
1275770991210,2cyclictest1328354-21kworker/u16:0+flush-8:019:40:046
127577099120,11cyclictest1362121-21cut19:49:526
1275766991211,1cyclictest0-21swapper/523:18:265
1275766991210,2cyclictest536606-21kworker/u16:1+flush-8:021:30:005
1275766991210,2cyclictest1929921-21kworker/u16:0+events_unbound00:02:495
1275766991210,2cyclictest1792448-21kworker/u16:1+events_unbound23:31:335
1275766991210,2cyclictest1709300-21kworker/u16:2+events_unbound23:06:345
1275766991210,2cyclictest1464633-21kworker/u16:2+flush-8:021:00:025
1275766991210,2cyclictest1328354-21kworker/u16:0+events_unbound20:53:155
127576699120,1cyclictest0-21swapper/522:13:005
1275765991210,2cyclictest1337000-21kworker/u16:2+events_unbound19:42:444
1275765991210,2cyclictest1328354-21kworker/u16:0+events_unbound20:46:444
127577599118,2cyclictest1278-21snmpd23:09:597
127577599117,3cyclictest1278-21snmpd21:27:267
127577599116,4cyclictest6341-21gvfs-afc-volume22:17:147
127577599116,4cyclictest1868250-21latency_hist23:34:337
1275775991110,0cyclictest0-21swapper/721:15:167
127577099119,2cyclictest536606-21kworker/u16:1+flush-8:019:55:376
127577099118,2cyclictest1279289-21cut19:09:516
127577099117,3cyclictest1516091-21cut21:09:536
127577099117,3cyclictest1381170-21grep20:00:016
127577099113,7cyclictest1946669-21kthreadcore00:04:566
1275770991110,1cyclictest0-21swapper/622:45:316
1275770991110,1cyclictest0-21swapper/622:17:276
1275770991110,1cyclictest0-21swapper/620:12:456
127577099110,1cyclictest0-21swapper/620:38:556
127577099110,11cyclictest0-21swapper/621:06:026
127577099110,11cyclictest0-21swapper/621:06:026
127577099110,11cyclictest0-21swapper/621:03:036
127577099110,11cyclictest0-21swapper/620:47:546
127577099110,10cyclictest1893376-21cat23:44:456
127576699119,2cyclictest2003056-21kworker/u16:1+flush-8:000:35:165
127576699119,2cyclictest1929921-21kworker/u16:0+events_unbound00:33:415
127576599118,2cyclictest1347684-21kworker/u16:4+events_unbound20:09:344
1275765991110,1cyclictest1285394-21kworker/u16:3+events_unbound19:19:364
127576599110,1cyclictest0-21swapper/420:37:184
127577599108,1cyclictest1946286-21ssh00:04:567
127577599104,5cyclictest1386567-21latency_hist20:04:347
127577599101,8cyclictest1791515-21ssh22:59:567
127577099109,1cyclictest0-21swapper/620:58:286
127577099109,1cyclictest0-21swapper/619:14:346
127577099107,2cyclictest536606-21kworker/u16:1+flush-8:020:24:596
127577099107,2cyclictest536606-21kworker/u16:1+flush-8:020:24:596
127577099106,3cyclictest1857272-21cat23:29:466
127577099106,3cyclictest1685122-21cpuspeed_turbos22:19:466
127577099105,4cyclictest1784781-21cut22:59:506
127577099104,5cyclictest0-21swapper/623:54:556
127577099100,9cyclictest1416702-21diskstats20:19:486
127577099100,9cyclictest1392656-21kthreadcore20:04:536
127577099100,9cyclictest0-21swapper/620:14:506
127577099100,3cyclictest1994607-21kthreadcore00:24:516
127577099100,3cyclictest1736465-21cat22:39:506
127577099100,3cyclictest1579097-21cut21:34:576
127577099100,3cyclictest1475798-21kernelversion20:49:516
127577099100,3cyclictest1352796-21kthreadcore19:44:526
127577099100,10cyclictest0-21swapper/619:19:376
127576599106,1cyclictest0-21swapper/420:00:124
12757759990,2cyclictest1433521-21kthreadcore20:24:547
12757759990,2cyclictest1433521-21kthreadcore20:24:547
12757709996,2cyclictest1721714-21/usr/sbin/munin22:34:486
12757709994,4cyclictest1600938-21grep21:44:516
12757709993,5cyclictest0-21swapper/600:09:446
12757709990,8cyclictest1625666-21tr21:54:546
12757709990,8cyclictest1309115-21/usr/sbin/munin19:24:566
12757709990,4cyclictest1615805-21kthreadcore21:50:076
12757709990,4cyclictest1615805-21kthreadcore21:50:076
12757709990,3cyclictest1701731-21kthreadcore22:24:556
12757709990,3cyclictest1660939-21expr22:09:456
12757669997,2cyclictest1525513-21kworker/u16:4+events_unbound21:26:485
12757659997,2cyclictest536606-21kworker/u16:1+events_unbound20:43:444
12757659997,2cyclictest1328354-21kworker/u16:0+flush-8:020:54:544
12757659983,4cyclictest1392256-21cut20:04:534
12757659980,7cyclictest1499657-21kthreadcore20:59:534
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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