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2025-12-06 - 06:47
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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 all highest latencies:
System rack0slot2.osadl.org (updated Sat Dec 06, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142515825521,29sleep70-21swapper/703:19:367
1425686995148,2cyclictest1763614-21kworker/u16:2+flush-8:006:32:556
1425677995047,2cyclictest2014097-21kworker/u16:2+events_unbound08:42:554
142509825038,8sleep40-21swapper/403:18:454
1425686994947,2cyclictest1711901-21kworker/u16:0+events_unbound05:43:026
142569199480,46cyclictest1701616-21latency_hist05:37:377
1425686994846,2cyclictest1539500-21kworker/u16:0+events_unbound04:22:196
1425677994846,2cyclictest1882821-21kworker/u16:0+flush-8:007:23:064
1425677994846,2cyclictest1580532-21kworker/u16:4+events_unbound05:22:384
1425691994741,5cyclictest589235-21systemd-journal03:32:377
1425677994644,2cyclictest1580532-21kworker/u16:4+events_unbound05:53:064
1425686994543,2cyclictest1933089-21kworker/u16:4+events_unbound08:00:196
1425677994541,4cyclictest1782560-21kworker/u16:4+flush-8:007:08:074
1425686994340,2cyclictest1892797-21kworker/u16:1+events_unbound07:12:526
142510024332,7sleep60-21swapper/603:18:476
1425686994240,2cyclictest1782560-21kworker/u16:4+events_unbound06:43:026
1425686994240,2cyclictest1600644-21kworker/u16:0+flush-8:004:48:196
1425686994138,2cyclictest1922771-21kworker/u16:2+flush-8:007:28:056
1425677994139,2cyclictest1763614-21kworker/u16:2+events_unbound06:58:554
1425686994038,2cyclictest1932937-21kworker/u16:3+flush-8:007:33:096
1425686994038,2cyclictest1763614-21kworker/u16:2+flush-8:007:03:086
1425682994037,2cyclictest1782560-21kworker/u16:4+flush-8:006:57:505
1425691993934,4cyclictest2013700-21latency_hist08:12:377
1425686993937,2cyclictest2053061-21kworker/u16:4+events_unbound08:33:016
1425677993937,2cyclictest1580532-21kworker/u16:4+events_unbound05:57:554
142569199380,36cyclictest1963363-21latency_hist07:47:377
1425686993836,2cyclictest1580532-21kworker/u16:4+flush-8:004:59:186
1425686993835,2cyclictest1993527-21kworker/u16:3+events_unbound08:12:466
1425686993735,2cyclictest2053061-21kworker/u16:4+events_unbound08:41:476
1425686993735,2cyclictest1600644-21kworker/u16:0+events_unbound05:17:396
1425686993735,2cyclictest1339370-21kworker/u16:0+events_unbound03:30:186
1425686993634,2cyclictest1751703-21kworker/u16:3+events_unbound06:28:466
1425686993634,2cyclictest1650912-21kworker/u16:1+events_unbound05:22:526
1425686993634,2cyclictest1580532-21kworker/u16:4+events_unbound05:30:186
1425686993634,2cyclictest1425071-21kworker/u16:3+flush-8:003:48:076
1425686993634,2cyclictest1425071-21kworker/u16:3+events_unbound04:33:086
1425686993533,2cyclictest1782560-21kworker/u16:4+events_unbound06:55:506
1425686993533,2cyclictest1425071-21kworker/u16:3+events_unbound04:01:196
1425686993532,2cyclictest1782560-21kworker/u16:4+events_unbound06:22:546
1425686993432,2cyclictest1993527-21kworker/u16:3+events_unbound08:23:486
1425686993432,2cyclictest1953084-21kworker/u16:0+events_unbound08:08:186
1425686993432,2cyclictest1933089-21kworker/u16:4+events_unbound07:48:046
1425686993432,2cyclictest1520586-21kworker/u16:1+flush-8:004:29:396
1425686993432,2cyclictest1339370-21kworker/u16:0+events_unbound03:42:356
1425686993431,2cyclictest1953084-21kworker/u16:0+events_unbound07:42:466
1425677993431,3cyclictest1600644-21kworker/u16:0+flush-8:005:03:084
142522223424,7sleep50-21swapper/503:20:315
1425686993331,2cyclictest1872527-21kworker/u16:3+events_unbound07:11:266
1425686993331,2cyclictest1763614-21kworker/u16:2+flush-8:006:17:546
1425686993331,2cyclictest1580532-21kworker/u16:4+flush-8:005:13:046
1425686993331,2cyclictest1520586-21kworker/u16:1+events_unbound04:23:006
1425691993227,4cyclictest1435699-21latency_hist03:27:387
1425686993230,2cyclictest2043912-21kworker/u16:1+events_unbound08:27:546
1425686993230,2cyclictest1425071-21kworker/u16:3+events_unbound04:39:156
1425686993230,2cyclictest1369324-21kworker/u16:2+flush-8:003:33:096
1425686993230,2cyclictest1369324-21kworker/u16:2+events_unbound04:08:036
1425686993229,2cyclictest2014097-21kworker/u16:2+flush-8:008:47:386
1425686993128,2cyclictest2014097-21kworker/u16:2+flush-8:008:17:526
1425686993028,2cyclictest2014097-21kworker/u16:2+flush-8:008:46:116
1425686993028,2cyclictest1973545-21kworker/u16:2+events_unbound07:53:486
1425686993028,2cyclictest1933089-21kworker/u16:4+flush-8:008:04:186
1425686993028,2cyclictest1782560-21kworker/u16:4+flush-8:006:38:086
1425686993028,2cyclictest1782560-21kworker/u16:4+events_unbound07:00:276
1425686993028,2cyclictest1751638-21kworker/u16:1+events_unbound06:03:436
1425686993028,2cyclictest1500580-21kworker/u16:4+events_unbound04:06:396
1425686993028,2cyclictest1425299-21kworker/u16:4+events_unbound03:26:026
1425686993028,2cyclictest1369324-21kworker/u16:2+flush-8:003:57:116
1425677993028,2cyclictest1892797-21kworker/u16:1+flush-8:007:15:544
1425686992927,2cyclictest1892797-21kworker/u16:1+events_unbound07:20:116
1425686992927,2cyclictest1763614-21kworker/u16:2+flush-8:006:51:466
1425677992927,2cyclictest2043912-21kworker/u16:1+flush-8:008:27:544
1425691992822,5cyclictest1741874-21latency_hist05:57:377
1425686992826,2cyclictest1600644-21kworker/u16:0+flush-8:005:06:516
1425686992826,2cyclictest1580532-21kworker/u16:4+events_unbound05:12:316
1425686992826,2cyclictest1425071-21kworker/u16:3+events_unbound04:13:266
1425686992826,2cyclictest1339370-21kworker/u16:0+flush-8:003:42:436
1425686992825,2cyclictest1671040-21kworker/u16:2+flush-8:005:52:496
1425677992826,2cyclictest2033744-21kworker/u16:0+events_unbound08:24:194
1425677992826,2cyclictest1933089-21kworker/u16:4+events_unbound07:42:204
1425686992725,2cyclictest1882821-21kworker/u16:0+events_unbound07:24:396
1425677992725,2cyclictest2014097-21kworker/u16:2+flush-8:008:37:594
1425677992725,2cyclictest1610840-21kworker/u16:1+flush-8:004:57:374
1425691992621,4cyclictest1812415-21latency_hist06:32:377
1425691992621,4cyclictest1459885-21latency_hist03:37:387
142569199260,24cyclictest1892879-21latency_hist07:12:377
1425686992624,2cyclictest1711901-21kworker/u16:0+flush-8:006:13:516
1425686992624,2cyclictest1711901-21kworker/u16:0+events_unbound05:48:036
1425686992624,2cyclictest1671764-21kworker/u16:5+events_unbound05:38:526
1425686992624,2cyclictest1671040-21kworker/u16:2+flush-8:005:36:396
1425686992624,2cyclictest1580532-21kworker/u16:4+events_unbound06:00:236
1425686992624,2cyclictest1425071-21kworker/u16:3+events_unbound04:46:476
1425677992624,2cyclictest1369324-21kworker/u16:2+events_unbound03:37:534
1425677992623,2cyclictest1425071-21kworker/u16:3+flush-8:003:57:524
1425691992524,0cyclictest0-21swapper/708:38:517
1425691992518,5cyclictest2084251-21latency_hist08:47:377
1425686992523,2cyclictest1933089-21kworker/u16:4+events_unbound07:40:196
1425677992523,2cyclictest1953084-21kworker/u16:0+flush-8:008:03:064
1425691992423,0cyclictest0-21swapper/705:31:427
1425691992419,4cyclictest589235-21systemd-journal06:17:377
1425686992422,2cyclictest1610840-21kworker/u16:1+events_unbound04:55:076
1425677992422,2cyclictest1671764-21kworker/u16:5+flush-8:005:43:064
1425677992422,2cyclictest1600644-21kworker/u16:0+flush-8:004:48:034
1425677992422,2cyclictest1425071-21kworker/u16:3+events_unbound03:54:204
1425677992419,4cyclictest1963740-21kworker/u16:1+flush-8:007:56:504
1425691992322,0cyclictest0-21swapper/706:54:187
1425677992321,2cyclictest1933089-21kworker/u16:4+events_unbound07:46:194
1425677992321,2cyclictest1480156-21kworker/u16:1+events_unbound03:48:034
1425677992320,2cyclictest2014097-21kworker/u16:2+flush-8:008:34:504
1425677992320,2cyclictest1671764-21kworker/u16:5+events_unbound05:47:514
1425691992218,3cyclictest1872768-21latency_hist07:02:377
1425691992216,5cyclictest589235-21systemd-journal08:36:197
1425677992220,2cyclictest1369324-21kworker/u16:2+events_unbound03:43:084
1425677992220,2cyclictest1339370-21kworker/u16:0+flush-8:003:32:544
1425691992120,0cyclictest0-21swapper/704:30:307
142569199210,19cyclictest589235-21systemd-journal04:37:387
1425677992118,2cyclictest1600644-21kworker/u16:0+events_unbound05:27:374
1425691992019,0cyclictest0-21swapper/704:24:507
1425677992018,2cyclictest1933089-21kworker/u16:4+events_unbound07:32:584
1425691991918,0cyclictest0-21swapper/706:32:467
1425691991916,2cyclictest1499228-21ntpq03:53:037
1425691991914,4cyclictest589235-21systemd-journal03:49:177
1425677991917,2cyclictest1892797-21kworker/u16:1+flush-8:007:18:014
1425691991817,0cyclictest0-21swapper/708:18:467
1425691991817,0cyclictest0-21swapper/708:12:537
1425691991817,0cyclictest0-21swapper/706:49:097
1425691991817,0cyclictest0-21swapper/706:25:147
1425691991815,2cyclictest1993633-21chrt08:02:377
1425691991815,2cyclictest0-21swapper/706:17:377
1425677991816,2cyclictest1500580-21kworker/u16:4+flush-8:004:02:594
1425691991717,0cyclictest0-21swapper/705:07:267
1425677991715,2cyclictest1671764-21kworker/u16:5+flush-8:005:37:594
14463632160,0sleep50-21swapper/503:27:595
142569199162,12cyclictest1720760-21ntpq05:43:027
1425691991615,0cyclictest0-21swapper/707:03:207
1425691991615,0cyclictest0-21swapper/705:50:257
1425691991615,0cyclictest0-21swapper/705:18:537
1425691991611,4cyclictest1762018-21latency_hist06:07:387
1425691991610,5cyclictest2043968-21latency_hist08:27:377
142569199160,14cyclictest1711669-21latency_hist05:42:377
1425686991614,2cyclictest1711901-21kworker/u16:0+flush-8:006:12:226
1425677991614,2cyclictest1882821-21kworker/u16:0+flush-8:007:29:394
1425677991614,2cyclictest1763614-21kworker/u16:2+flush-8:006:32:534
1425677991613,3cyclictest1650912-21kworker/u16:1+flush-8:005:09:494
1425691991515,0cyclictest0-21swapper/706:47:067
1425691991514,0cyclictest0-21swapper/707:17:327
1425691991514,0cyclictest0-21swapper/704:37:487
1425691991513,1cyclictest0-21swapper/708:28:037
142569199150,13cyclictest1505204-21cut03:57:587
1425677991513,2cyclictest1993527-21kworker/u16:3+flush-8:008:18:024
1425677991513,2cyclictest1932937-21kworker/u16:3+flush-8:007:49:074
1425677991513,2cyclictest1763614-21kworker/u16:2+flush-8:006:48:084
1425677991513,2cyclictest1711901-21kworker/u16:0+flush-8:006:07:554
142569199142,11cyclictest1922113-21ntpq07:23:027
142569199142,10cyclictest1469161-21smart_sda03:38:067
1425691991413,0cyclictest0-21swapper/706:08:207
1425691991413,0cyclictest0-21swapper/705:10:447
1425682991411,2cyclictest2014097-21kworker/u16:2+flush-8:008:47:365
142568299140,14cyclictest0-21swapper/506:28:115
142568299140,14cyclictest0-21swapper/504:58:015
1425677991412,2cyclictest1953084-21kworker/u16:0+flush-8:008:08:034
1425677991412,2cyclictest1671764-21kworker/u16:5+flush-8:005:33:044
1425677991411,3cyclictest1763614-21kworker/u16:2+events_unbound06:23:024
142569199138,4cyclictest1906773-21cut07:17:567
142569199133,9cyclictest1942264-21ntpq07:33:057
142569199132,9cyclictest1972413-21ntpq07:48:037
1425691991313,0cyclictest0-21swapper/705:25:487
1425691991313,0cyclictest0-21swapper/704:17:247
142569199131,2cyclictest1549893-21find04:18:067
1425691991312,0cyclictest0-21swapper/705:12:477
142569199131,1cyclictest1750967-21ntpq05:58:027
1425691991310,2cyclictest1520741-21/usr/sbin/munin04:07:507
142569199130,4cyclictest1513002-21kthreadcore04:02:567
142569199130,3cyclictest1982511-21ntpq07:53:037
142569199130,3cyclictest1592488-21kthreadcore04:42:587
142568299130,13cyclictest0-21swapper/508:07:585
1425677991311,2cyclictest1993527-21kworker/u16:3+flush-8:008:12:564
1425677991311,2cyclictest1763614-21kworker/u16:2+flush-8:006:30:474
1425677991311,2cyclictest1500580-21kworker/u16:4+events_unbound04:12:374
1425677991310,3cyclictest1369324-21kworker/u16:2+flush-8:003:27:074
142569199123,8cyclictest1630140-21ntpq04:58:007
142569199123,8cyclictest1610013-21ntpq04:48:027
142569199122,9cyclictest1952316-21ntpq07:38:057
142569199122,9cyclictest1831728-21smart_sda06:38:107
142569199121,2cyclictest2085497-21sed08:47:547
142569199121,10cyclictest1932180-21ntpq07:28:047
142569199120,3cyclictest1613699-21grep04:52:587
142569199120,11cyclictest4175659-21snmpd03:45:007
142569199120,11cyclictest2002720-21ntpq08:03:027
1425682991211,1cyclictest0-21swapper/507:42:355
142568299120,1cyclictest0-21swapper/505:39:285
142568299120,1cyclictest0-21swapper/504:49:205
142568299120,1cyclictest0-21swapper/504:10:335
142568299120,12cyclictest0-21swapper/507:29:025
142568299120,12cyclictest0-21swapper/505:07:285
142568299120,12cyclictest0-21swapper/504:54:325
142567799129,2cyclictest1763614-21kworker/u16:2+events_unbound06:42:564
142567799129,2cyclictest1671040-21kworker/u16:2+flush-8:005:27:534
1425677991210,2cyclictest1751703-21kworker/u16:3+flush-8:006:07:374
1425677991210,2cyclictest1520586-21kworker/u16:1+events_unbound04:23:124
142567799120,12cyclictest0-21swapper/408:02:194
1425682991110,1cyclictest0-21swapper/507:44:195
1425682991110,1cyclictest0-21swapper/507:33:175
1425682991110,1cyclictest0-21swapper/507:13:355
1425682991110,1cyclictest0-21swapper/507:10:075
1425682991110,1cyclictest0-21swapper/507:03:115
1425682991110,1cyclictest0-21swapper/505:54:175
1425682991110,1cyclictest0-21swapper/505:24:015
1425682991110,1cyclictest0-21swapper/505:20:335
1425682991110,1cyclictest0-21swapper/504:24:075
142568299110,11cyclictest0-21swapper/507:48:355
142568299110,11cyclictest0-21swapper/506:41:165
142568299110,11cyclictest0-21swapper/504:22:235
142567799119,2cyclictest1782560-21kworker/u16:4+events_unbound06:37:394
142567799119,2cyclictest1425071-21kworker/u16:3+flush-8:004:37:564
142567799115,1cyclictest681rcuog/406:13:464
142567799110,11cyclictest0-21swapper/406:20:094
142568299109,1cyclictest0-21swapper/508:33:405
142568299109,1cyclictest0-21swapper/508:02:085
142568299109,1cyclictest0-21swapper/507:57:065
142568299109,1cyclictest0-21swapper/506:15:535
142568299109,1cyclictest0-21swapper/505:57:455
142568299109,1cyclictest0-21swapper/505:15:215
142568299109,1cyclictest0-21swapper/504:44:185
142568299109,1cyclictest0-21swapper/504:03:565
142568299100,0cyclictest0-21swapper/505:33:295
142567799109,1cyclictest0-21swapper/404:35:294
142567799109,1cyclictest0-21swapper/403:29:074
142567799108,2cyclictest1751638-21kworker/u16:1+events_unbound06:56:484
14256829998,1cyclictest0-21swapper/508:04:405
14256829998,1cyclictest0-21swapper/506:52:375
14256829998,1cyclictest0-21swapper/506:22:025
14256829998,1cyclictest0-21swapper/506:02:585
14256829998,1cyclictest0-21swapper/505:31:455
14256829998,1cyclictest0-21swapper/504:33:255
14256829998,1cyclictest0-21swapper/503:43:175
14256829998,1cyclictest0-21swapper/503:39:585
14256829998,1cyclictest0-21swapper/503:24:135
14256779998,1cyclictest0-21swapper/407:05:244
14256779998,1cyclictest0-21swapper/405:13:004
14256779998,1cyclictest0-21swapper/404:58:204
14256779998,1cyclictest0-21swapper/404:29:394
14256779998,1cyclictest0-21swapper/404:15:184
14256829987,1cyclictest0-21swapper/508:48:395
14256829987,1cyclictest0-21swapper/508:22:575
14256829987,1cyclictest0-21swapper/508:19:385
14256829987,1cyclictest0-21swapper/507:18:475
14256829987,1cyclictest0-21swapper/506:12:255
14256829987,1cyclictest0-21swapper/505:49:055
14256779982,5cyclictest984965-21wsdd04:21:284
14256829976,1cyclictest0-21swapper/508:30:215
14256829976,1cyclictest0-21swapper/506:34:205
14256829976,1cyclictest0-21swapper/505:08:255
14256829976,1cyclictest0-21swapper/504:41:465
14256829976,1cyclictest0-21swapper/503:58:065
14256829976,1cyclictest0-21swapper/503:36:405
14256829974,2cyclictest1802360-21turbostat06:27:375
14256779976,1cyclictest0-21swapper/404:43:504
14256829965,1cyclictest0-21swapper/508:16:205
14256829963,3cyclictest3169636-21dockerd08:37:475
14256829960,5cyclictest1921946-21taskset07:23:005
14256779962,3cyclictest0-21swapper/408:50:014
14256829950,5cyclictest0-21swapper/504:12:505
14256829950,4cyclictest1861593-21taskset06:53:045
14256829950,4cyclictest1832892-21chrt06:42:465
14256829950,4cyclictest1712834-21chrt05:42:525
14256829950,4cyclictest1561016-21taskset04:27:445
14256829950,4cyclictest1490526-21taskset03:52:435
14256829950,4cyclictest1489140-21chrt03:48:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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