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2026-07-27 - 05:18
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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 highest latencies:
System rack0slot2.osadl.org (updated Mon Jul 27, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16783382990,1sleep465-21ksoftirqd/419:34:284
20506072960,1sleep40-21swapper/422:24:324
162276827463,8sleep40-21swapper/419:06:494
1623237995149,2cyclictest2275865-21kworker/u16:1+events_unbound00:09:425
1623233994846,2cyclictest1897765-21kworker/u16:5+events_unbound22:09:354
1623237994543,2cyclictest1970328-21kworker/u16:3+events_unbound00:14:245
1623237994542,2cyclictest1970328-21kworker/u16:3+events_unbound22:09:255
1623233994542,2cyclictest2165254-21kworker/u16:1+events_unbound23:39:114
162270224535,7sleep50-21swapper/519:05:545
1623242994442,2cyclictest1897765-21kworker/u16:5+flush-8:021:34:096
162281724410,29sleep70-21swapper/719:07:327
162324399430,41cyclictest2092266-21latency_hist22:44:087
1623242994340,3cyclictest1763266-21kworker/u16:2+flush-8:021:04:096
1623237994240,2cyclictest1897765-21kworker/u16:5+events_unbound23:09:335
1623233994240,2cyclictest1970328-21kworker/u16:3+events_unbound22:04:344
1623237994139,2cyclictest1970328-21kworker/u16:3+events_unbound23:39:255
1623237993836,2cyclictest1947998-21kworker/u16:0+events_unbound21:50:355
1623237993836,2cyclictest1897765-21kworker/u16:5+flush-8:023:14:385
1623233993835,2cyclictest1695102-21kworker/u16:3+events_unbound19:54:114
1623233993835,2cyclictest1695102-21kworker/u16:3+events_unbound19:54:114
1623237993735,2cyclictest1970328-21kworker/u16:3+events_unbound22:51:305
1623233993735,2cyclictest1970328-21kworker/u16:3+flush-8:023:19:254
1623233993735,2cyclictest1970328-21kworker/u16:3+flush-8:023:19:254
1623237993634,2cyclictest2165254-21kworker/u16:1+events_unbound23:33:115
1623237993634,2cyclictest1970328-21kworker/u16:3+flush-8:022:29:395
1623237993634,2cyclictest1970328-21kworker/u16:3+events_unbound23:04:065
1623233993634,2cyclictest2090176-21kworker/u16:0+events_unbound23:12:034
1623233993634,2cyclictest1970328-21kworker/u16:3+events_unbound22:14:284
1623233993634,2cyclictest1763266-21kworker/u16:2+events_unbound21:59:254
22552852350,1chrt0-21swapper/523:49:285
1623242993532,2cyclictest1970328-21kworker/u16:3+flush-8:000:14:266
1623233993534,1cyclictest1970328-21kworker/u16:3+events_unbound22:56:114
1623233993533,2cyclictest2225680-21kworker/u16:2+flush-8:023:44:414
1623233993533,2cyclictest2140903-21kworker/u16:4+events_unbound23:07:104
1623233993533,2cyclictest1970328-21kworker/u16:3+events_unbound23:01:424
1623233993533,2cyclictest1894201-21kworker/u16:1+events_unbound21:42:074
1623233993533,2cyclictest1894201-21kworker/u16:1+events_unbound21:25:274
1623237993432,2cyclictest2332702-21kworker/u16:1+events_unbound00:21:475
1623237993432,2cyclictest2140903-21kworker/u16:4+events_unbound23:06:115
1623237993432,2cyclictest1970328-21kworker/u16:3+events_unbound00:35:265
1623237993432,2cyclictest1970328-21kworker/u16:3+events_unbound00:32:265
1623237993432,2cyclictest1897765-21kworker/u16:5+events_unbound22:21:165
1623237993432,2cyclictest1897765-21kworker/u16:5+events_unbound21:24:595
1623233993432,2cyclictest2260233-21kworker/u16:4+events_unbound00:21:554
1623233993432,2cyclictest2260233-21kworker/u16:4+events_unbound00:13:154
1623233993432,2cyclictest2187247-21kworker/u16:0+events_unbound00:18:224
1623233993432,2cyclictest2187247-21kworker/u16:0+events_unbound00:07:554
1623233993432,2cyclictest1970328-21kworker/u16:3+events_unbound22:30:514
1623233993432,2cyclictest1897765-21kworker/u16:5+events_unbound22:44:224
1623233993432,2cyclictest1831220-21kworker/u16:4+flush-8:021:23:224
1623233993432,2cyclictest1831220-21kworker/u16:4+flush-8:021:23:224
1623233993432,2cyclictest1831220-21kworker/u16:4+events_unbound21:33:084
1623237993331,2cyclictest2275865-21kworker/u16:1+events_unbound00:05:115
1623237993331,2cyclictest2260233-21kworker/u16:4+flush-8:000:26:145
1623237993331,2cyclictest2187247-21kworker/u16:0+events_unbound23:25:325
1623237993331,2cyclictest1763266-21kworker/u16:2+events_unbound21:47:515
1623233993331,2cyclictest2187247-21kworker/u16:0+events_unbound23:32:114
1623233993331,2cyclictest2165254-21kworker/u16:1+events_unbound23:34:594
1623233993331,2cyclictest1970328-21kworker/u16:3+events_unbound22:36:024
1623233993331,2cyclictest1894201-21kworker/u16:1+events_unbound21:58:504
1623237993230,2cyclictest2054988-21kworker/u16:1+events_unbound22:34:285
1623237993230,2cyclictest1897765-21kworker/u16:5+events_unbound22:25:545
1623237993230,2cyclictest1753626-21kworker/u16:1+events_unbound20:49:105
1623233993230,2cyclictest2357999-21kworker/u16:2+flush-8:000:34:404
1623233993230,2cyclictest2357999-21kworker/u16:2+events_unbound00:30:274
1623233993230,2cyclictest2260233-21kworker/u16:4+events_unbound23:58:224
1623233993230,2cyclictest2054988-21kworker/u16:1+events_unbound22:42:114
1623233993230,2cyclictest1970328-21kworker/u16:3+events_unbound22:21:384
1623233993230,2cyclictest1947998-21kworker/u16:0+flush-8:021:53:144
1623233993230,2cyclictest1841531-21kworker/u16:3+flush-8:021:16:224
1623233993230,2cyclictest1763266-21kworker/u16:2+events_unbound21:46:234
1623233993230,2cyclictest1763266-21kworker/u16:2+events_unbound21:12:524
162292223222,7sleep60-21swapper/619:09:006
1623237993129,2cyclictest2275865-21kworker/u16:1+flush-8:023:59:435
1623237993129,2cyclictest2090176-21kworker/u16:0+flush-8:022:43:505
1623237993129,2cyclictest1897765-21kworker/u16:5+events_unbound22:16:025
1623237993129,2cyclictest1753626-21kworker/u16:1+events_unbound21:09:065
1623237993128,2cyclictest1970328-21kworker/u16:3+events_unbound23:34:245
1623237993128,2cyclictest1970328-21kworker/u16:3+events_unbound21:59:275
1623233993129,2cyclictest2260233-21kworker/u16:4+events_unbound23:50:234
1623233993129,2cyclictest2225680-21kworker/u16:2+events_unbound00:00:064
1623233993129,2cyclictest2140903-21kworker/u16:4+flush-8:023:24:324
1623233993128,2cyclictest2114398-21kworker/u16:2+events_unbound22:51:504
1623233993128,2cyclictest1970328-21kworker/u16:3+flush-8:000:29:084
1623237993028,2cyclictest2165254-21kworker/u16:1+events_unbound23:20:025
1623237993028,2cyclictest2165254-21kworker/u16:1+events_unbound23:20:025
1623237993028,2cyclictest1970328-21kworker/u16:3+events_unbound22:07:515
1623237993028,2cyclictest1695102-21kworker/u16:3+flush-8:020:40:425
1623237993028,2cyclictest1695102-21kworker/u16:3+flush-8:020:40:425
1623233993027,2cyclictest1351324-21kworker/u16:0+events_unbound19:09:124
1623237992927,2cyclictest2225680-21kworker/u16:2+events_unbound23:44:375
1623237992927,2cyclictest1970328-21kworker/u16:3+events_unbound22:54:365
1623233992927,2cyclictest1897765-21kworker/u16:5+flush-8:021:37:534
1623233992927,2cyclictest1646351-21kworker/u16:2+events_unbound19:25:194
1623237992826,2cyclictest1897765-21kworker/u16:5+flush-8:021:34:025
1623237992826,2cyclictest1897765-21kworker/u16:5+events_unbound21:58:095
1623237992826,2cyclictest1763266-21kworker/u16:2+events_unbound21:13:535
22138202270,1chrt2213821-21sh23:34:087
1623242992725,2cyclictest1351324-21kworker/u16:0+flush-8:019:19:286
1623237992725,2cyclictest1894201-21kworker/u16:1+flush-8:021:40:425
1623237992725,2cyclictest1873392-21kworker/u16:0+events_unbound21:18:015
1623237992725,2cyclictest1831220-21kworker/u16:4+events_unbound21:22:295
1623237992725,2cyclictest1831220-21kworker/u16:4+events_unbound21:22:295
1623237992725,2cyclictest1763266-21kworker/u16:2+events_unbound21:38:175
1623237992725,2cyclictest1646351-21kworker/u16:2+events_unbound19:41:445
1623237992725,2cyclictest1630336-21kworker/u16:1+events_unbound19:38:435
1623237992624,2cyclictest1351324-21kworker/u16:0+flush-8:019:21:525
1623233992624,2cyclictest1897765-21kworker/u16:5+events_unbound23:15:284
1623233992624,2cyclictest1714318-21kworker/u16:4+events_unbound20:18:194
1623233992624,2cyclictest1351324-21kworker/u16:0+events_unbound19:42:184
162324399250,23cyclictest1743933-21latency_hist20:09:097
1623237992523,2cyclictest1773523-21kworker/u16:0+events_unbound20:28:445
1623237992523,2cyclictest1753626-21kworker/u16:1+flush-8:020:48:235
1623237992523,2cyclictest1695102-21kworker/u16:3+events_unbound19:53:595
1623237992523,2cyclictest1646351-21kworker/u16:2+events_unbound19:48:525
1623237992422,2cyclictest1763266-21kworker/u16:2+events_unbound21:03:395
1623237992422,2cyclictest1704855-21kworker/u16:0+flush-8:020:08:275
1623237992422,2cyclictest1704855-21kworker/u16:0+events_unbound19:57:035
1623237992422,2cyclictest1704855-21kworker/u16:0+events_unbound19:57:035
1623237992421,2cyclictest2090176-21kworker/u16:0+events_unbound22:44:205
1623233992422,2cyclictest1773523-21kworker/u16:0+events_unbound20:55:194
1623242992320,2cyclictest1704855-21kworker/u16:0+flush-8:020:14:046
1623237992321,2cyclictest1773523-21kworker/u16:0+flush-8:020:55:235
1623237992321,2cyclictest1753626-21kworker/u16:1+events_unbound20:33:515
1623237992321,2cyclictest1695102-21kworker/u16:3+events_unbound20:24:035
1623237992320,2cyclictest2260233-21kworker/u16:4+flush-8:023:54:195
1623233992321,2cyclictest1646351-21kworker/u16:2+flush-8:019:47:484
1623242992220,2cyclictest1831220-21kworker/u16:4+flush-8:021:04:276
1623242992220,2cyclictest1351324-21kworker/u16:0+events_unbound19:14:276
1623242992219,3cyclictest1831220-21kworker/u16:4+flush-8:021:19:376
1623242992219,3cyclictest1831220-21kworker/u16:4+flush-8:021:19:376
1623237992220,2cyclictest1646351-21kworker/u16:2+events_unbound19:34:075
1623237992220,2cyclictest1351324-21kworker/u16:0+events_unbound19:12:475
1623233992221,1cyclictest1763266-21kworker/u16:2+events_unbound20:28:034
1623242992119,2cyclictest1970328-21kworker/u16:3+flush-8:022:09:156
1623237992119,2cyclictest1724786-21kworker/u16:5+flush-8:019:59:595
1623237992119,2cyclictest1695102-21kworker/u16:3+events_unbound20:35:435
1623237992119,2cyclictest1695102-21kworker/u16:3+events_unbound20:11:155
1623233992119,2cyclictest1763266-21kworker/u16:2+events_unbound20:30:424
22870382200,1chrt2287036-21ssh00:04:057
20702072200,0sleep72070210-21cut22:34:297
1623242992017,2cyclictest1695102-21kworker/u16:3+flush-8:020:19:336
1623237992018,2cyclictest1695102-21kworker/u16:3+events_unbound20:17:325
1623233992017,2cyclictest1613649-21kworker/u16:4+flush-8:019:19:104
1623242991916,3cyclictest1351324-21kworker/u16:0+events_unbound19:24:346
1623233991917,2cyclictest1753626-21kworker/u16:1+events_unbound20:48:194
1623233991917,2cyclictest1704855-21kworker/u16:0+events_unbound19:59:434
1623233991917,2cyclictest1695102-21kworker/u16:3+events_unbound20:49:314
1623242991816,2cyclictest2187247-21kworker/u16:0+flush-8:000:29:206
1623242991816,2cyclictest1753626-21kworker/u16:1+events_unbound20:34:326
1623237991816,2cyclictest1646351-21kworker/u16:2+events_unbound19:25:515
1623237991816,2cyclictest1613649-21kworker/u16:4+flush-8:019:17:565
1623243991712,4cyclictest648-21systemd-journal19:18:397
162324399170,15cyclictest1958435-21latency_hist21:49:097
1623242991715,2cyclictest1630336-21kworker/u16:1+events_unbound19:34:346
1623233991715,2cyclictest1646351-21kworker/u16:2+events_unbound19:33:404
1623243991612,3cyclictest1302-21snmpd20:58:127
162324399160,15cyclictest0-21swapper/721:39:347
1623242991614,2cyclictest2187247-21kworker/u16:0+flush-8:000:04:086
1623242991614,2cyclictest1897765-21kworker/u16:5+flush-8:021:49:396
1623242991612,3cyclictest1692078-21kthreadcore19:39:306
1623242991612,3cyclictest1630336-21kworker/u16:1+flush-8:019:44:416
1623233991614,2cyclictest1704855-21kworker/u16:0+flush-8:020:13:034
1623233991614,2cyclictest1630336-21kworker/u16:1+flush-8:019:14:144
1623233991613,2cyclictest1763266-21kworker/u16:2+events_unbound21:04:094
162324399155,8cyclictest5965-21gmain20:19:347
1623243991512,2cyclictest2299331-21ssh00:09:077
1623243991512,2cyclictest0-21swapper/720:29:097
1623243991512,2cyclictest0-21swapper/700:14:387
1623242991512,2cyclictest2140903-21kworker/u16:4+flush-8:023:09:096
162324299150,1cyclictest0-21swapper/621:24:306
1623233991513,2cyclictest1695102-21kworker/u16:3+flush-8:019:51:444
162324399149,4cyclictest2263921-21cat23:54:247
162324399148,5cyclictest1982821-21latency_hist21:59:097
162324399147,6cyclictest6050-21gmain23:25:467
162324399143,10cyclictest1302-21snmpd23:38:557
162324399142,10cyclictest2003211-21kthreadcore22:04:327
1623243991413,1cyclictest0-21swapper/720:44:327
1623243991412,1cyclictest0-21swapper/721:59:097
1623243991411,2cyclictest0-21swapper/719:54:097
1623243991411,2cyclictest0-21swapper/719:54:097
162324399140,1cyclictest0-21swapper/721:14:357
1623242991412,2cyclictest2165254-21kworker/u16:1+events_unbound23:49:216
1623242991412,2cyclictest1970328-21kworker/u16:3+flush-8:023:29:376
1623242991411,3cyclictest1773523-21kworker/u16:0+flush-8:020:39:276
1623242991411,3cyclictest1773523-21kworker/u16:0+flush-8:020:39:276
1623242991411,2cyclictest1773523-21kworker/u16:0+flush-8:020:24:256
1623242991410,3cyclictest1763266-21kworker/u16:2+flush-8:020:29:256
1623233991412,2cyclictest1763266-21kworker/u16:2+events_unbound21:05:394
1623233991412,2cyclictest1724786-21kworker/u16:5+flush-8:020:06:554
1623233991412,2cyclictest1695102-21kworker/u16:3+flush-8:020:22:274
162324399139,3cyclictest1302-21snmpd22:10:447
162324399138,4cyclictest2093551-21cat22:44:247
162324399136,6cyclictest6233-21gvfs-afc-volume19:29:297
162324399133,9cyclictest1302-21snmpd20:51:517
162324399133,9cyclictest1302-21snmpd19:11:277
1623243991311,1cyclictest0-21swapper/700:09:097
1623243991310,2cyclictest2026685-21kthreadcore22:14:327
1623242991312,1cyclictest0-21swapper/622:29:466
1623242991311,2cyclictest1970328-21kworker/u16:3+flush-8:023:34:186
1623242991311,2cyclictest1894201-21kworker/u16:1+flush-8:021:39:246
162324299130,13cyclictest0-21swapper/621:10:376
162324399129,2cyclictest1302-21snmpd21:19:107
162324399129,2cyclictest1302-21snmpd21:19:107
162324399129,2cyclictest0-21swapper/723:39:247
162324399129,2cyclictest0-21swapper/723:09:097
162324399128,3cyclictest6233-21gvfs-afc-volume20:59:337
162324399128,3cyclictest2325071-21cat00:19:257
162324399128,3cyclictest2032868-21cat22:19:247
162324399128,3cyclictest1812102-21munin-run20:44:097
162324399128,3cyclictest1812102-21munin-run20:44:097
162324399128,3cyclictest1302-21snmpd21:38:347
162324399128,3cyclictest1302-21snmpd20:14:027
162324399123,8cyclictest6530-21gmain19:39:307
162324399123,8cyclictest1302-21snmpd22:53:487
1623243991211,0cyclictest0-21swapper/719:28:427
1623243991210,1cyclictest0-21swapper/723:49:147
1623243991210,1cyclictest0-21swapper/723:06:167
1623243991210,1cyclictest0-21swapper/722:24:427
162324399120,11cyclictest1302-21snmpd00:35:417
162324299129,3cyclictest1714318-21kworker/u16:4+events_unbound20:04:236
162324299129,2cyclictest2275865-21kworker/u16:1+flush-8:000:09:086
162324299129,2cyclictest1758292-21kthreadcore20:14:306
162324299128,3cyclictest1704855-21kworker/u16:0+flush-8:019:59:356
1623242991211,1cyclictest0-21swapper/623:44:116
1623242991211,1cyclictest0-21swapper/622:54:126
1623242991211,1cyclictest0-21swapper/621:55:436
1623242991210,1cyclictest0-21swapper/622:18:256
162324299120,1cyclictest0-21swapper/600:10:126
162324299120,12cyclictest0-21swapper/623:43:436
162324299120,12cyclictest0-21swapper/623:14:146
162324299120,12cyclictest0-21swapper/622:51:136
162324299120,12cyclictest0-21swapper/622:36:426
1623233991210,2cyclictest1773523-21kworker/u16:0+flush-8:020:39:364
1623233991210,2cyclictest1773523-21kworker/u16:0+flush-8:020:39:364
162324399119,1cyclictest0-21swapper/722:31:287
162324399119,1cyclictest0-21swapper/721:29:287
162324399119,1cyclictest0-21swapper/719:59:277
162324399119,1cyclictest0-21swapper/719:34:237
162324399119,1cyclictest0-21swapper/700:31:157
162324399118,2cyclictest5841-21JS17:17:147
162324399118,2cyclictest2130111-21sed22:59:257
162324399118,2cyclictest1302-21snmpd23:45:437
162324399118,2cyclictest1302-21snmpd21:24:167
162324399118,2cyclictest1302-21snmpd00:27:177
162324399117,3cyclictest1861221-21taskset21:09:107
162324399117,3cyclictest1781945-21taskset20:24:327
162324399117,3cyclictest1302-21snmpd19:20:097
162324399115,5cyclictest6466-21gmain20:16:347
162324399115,5cyclictest6050-21gmain21:52:027
162324399114,6cyclictest5741-21ssh-agent19:49:327
162324399113,6cyclictest2178340-21cstates23:19:217
162324399113,6cyclictest2178340-21cstates23:19:217
162324399111,8cyclictest2166529-21cat23:14:247
162324399110,10cyclictest1302-21snmpd19:48:317
162324299119,2cyclictest1763266-21kworker/u16:2+events_unbound20:54:266
162324299119,2cyclictest1704855-21kworker/u16:0+events_unbound19:54:216
162324299119,2cyclictest1704855-21kworker/u16:0+events_unbound19:54:216
162324299119,2cyclictest1630336-21kworker/u16:1+flush-8:019:09:346
162324299118,2cyclictest991rcuop/721:14:386
162324299117,3cyclictest1897765-21kworker/u16:5+flush-8:021:44:276
1623242991110,1cyclictest0-21swapper/600:26:556
162324299110,3cyclictest1923251-21irqcore21:34:276
162324299110,3cyclictest1707237-21kthreadcore19:49:276
162324299110,11cyclictest0-21swapper/620:47:176
162324299110,11cyclictest0-21swapper/600:19:496
162324299110,0cyclictest0-21swapper/621:59:116
162324399109,0cyclictest0-21swapper/720:34:297
162324299105,4cyclictest2164204-21chrt23:12:116
162323399108,2cyclictest1695102-21kworker/u16:3+flush-8:020:35:124
16232439995,3cyclictest1302-21snmpd21:04:247
16232429998,1cyclictest0-21swapper/623:56:396
16232429998,1cyclictest0-21swapper/623:25:446
16232429998,1cyclictest0-21swapper/623:22:456
16232429998,1cyclictest0-21swapper/623:22:456
16232429998,1cyclictest0-21swapper/623:02:436
16232429998,1cyclictest0-21swapper/622:45:426
16232429998,1cyclictest0-21swapper/622:22:226
16232429987,1cyclictest0-21swapper/622:42:426
16232429983,4cyclictest1822694-21expr20:49:226
16232429980,7cyclictest0-21swapper/622:25:026
16232429980,1cyclictest0-21swapper/619:29:286
16232429976,1cyclictest0-21swapper/600:34:296
16232429970,7cyclictest0-21swapper/622:04:246
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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