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2026-08-25 - 01:57
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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 Tue Aug 25, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
124613526135,8sleep40-21swapper/419:03:374
124613526135,8sleep40-21swapper/419:03:374
124638725419,30sleep70-21swapper/719:07:097
124638725419,30sleep70-21swapper/719:07:097
18594292470,0sleep71859430-21rm23:49:077
1246693994539,5cyclictest1858132-21latency_hist23:47:177
123711424332,7sleep50-21swapper/519:02:265
123711424332,7sleep50-21swapper/519:02:265
1246693994236,5cyclictest1531146-21latency_hist21:27:177
1246684994038,2cyclictest1873128-21kworker/u16:4+flush-8:000:02:175
1246684993432,2cyclictest1518503-21kworker/u16:1+events_unbound22:18:285
1246684993431,2cyclictest1279473-21kworker/u16:3+events_unbound19:47:175
1246693993126,4cyclictest1897027-21latency_hist00:07:167
1246692993129,2cyclictest1923880-21kworker/u16:1+flush-8:000:32:176
1246684993129,2cyclictest1747220-21kworker/u16:0+events_unbound23:03:195
124613723121,7sleep60-21swapper/619:03:396
124613723121,7sleep60-21swapper/619:03:396
1246692993023,7cyclictest1853023-21kworker/u16:3+events_unbound23:51:026
19346552290,1chrt1934656-21ssh00:24:507
1246684992926,2cyclictest1347464-21kworker/u16:4+flush-8:020:22:345
1246682992927,2cyclictest1465769-21kworker/u16:2+flush-8:021:37:324
1246692992826,2cyclictest1600870-21kworker/u16:2+flush-8:022:42:446
1246684992825,2cyclictest1465769-21kworker/u16:2+flush-8:021:42:235
1246682992824,3cyclictest1600870-21kworker/u16:2+flush-8:022:27:324
1246684992725,2cyclictest1473597-21kworker/u16:3+events_unbound21:48:075
1246684992725,2cyclictest1256605-21kworker/u16:1+events_unbound19:22:475
1246682992725,2cyclictest1793517-21kworker/u16:2+events_unbound23:46:094
1246692992523,2cyclictest1612980-21kworker/u16:3+events_unbound22:01:426
1246692992523,2cyclictest1600870-21kworker/u16:2+events_unbound22:08:116
1246692992523,2cyclictest1454179-21kworker/u16:0+events_unbound20:54:546
1246684992522,2cyclictest1347464-21kworker/u16:4+flush-8:020:17:355
1246682992522,2cyclictest1279473-21kworker/u16:3+events_unbound20:07:364
1246693992423,0cyclictest0-21swapper/721:06:547
1246693992423,0cyclictest0-21swapper/720:20:397
1246692992422,2cyclictest1711248-21kworker/u16:1+flush-8:023:22:486
1246682992422,2cyclictest1908695-21kworker/u16:2+events_unbound00:12:154
1246682992422,2cyclictest1908695-21kworker/u16:2+events_unbound00:12:154
1246682992422,2cyclictest1405351-21kworker/u16:1+flush-8:020:27:334
14290312230,1chrt0-21swapper/520:37:365
1246693992322,0cyclictest0-21swapper/719:08:357
124669299238,15cyclictest1600870-21kworker/u16:2+events_unbound21:53:456
1246692992321,2cyclictest1853023-21kworker/u16:3+events_unbound23:46:056
1246684992321,2cyclictest1615128-21kworker/u16:4+flush-8:022:37:365
1246693992221,0cyclictest0-21swapper/722:34:087
1246693992221,0cyclictest0-21swapper/719:45:517
1246693992221,0cyclictest0-21swapper/719:13:117
1246693992221,0cyclictest0-21swapper/700:09:117
1246693992221,0cyclictest0-21swapper/700:09:117
1246693992220,1cyclictest0-21swapper/721:57:327
1246693992220,1cyclictest0-21swapper/721:08:587
1246693992220,1cyclictest0-21swapper/720:03:347
1246692992220,2cyclictest1853023-21kworker/u16:3+events_unbound00:06:486
1246692992220,2cyclictest1518503-21kworker/u16:1+events_unbound22:03:456
1246692992220,2cyclictest1454179-21kworker/u16:0+events_unbound21:06:226
1246692992220,2cyclictest1405351-21kworker/u16:1+events_unbound21:11:016
1246692992220,2cyclictest1347464-21kworker/u16:4+flush-8:020:17:176
1246692992220,2cyclictest1337814-21kworker/u16:2+events_unbound20:51:156
1246692992220,2cyclictest1279473-21kworker/u16:3+events_unbound20:11:566
1246684992220,2cyclictest1711248-21kworker/u16:1+flush-8:022:57:325
1246684992220,2cyclictest1615128-21kworker/u16:4+events_unbound23:12:425
1246682992220,2cyclictest1873128-21kworker/u16:4+events_unbound00:00:294
1246682992220,2cyclictest1711248-21kworker/u16:1+events_unbound23:27:314
1246682992220,2cyclictest1600870-21kworker/u16:2+flush-8:022:47:384
1246682992220,2cyclictest1405351-21kworker/u16:1+events_unbound20:59:354
1246682992220,2cyclictest1405351-21kworker/u16:1+events_unbound20:59:354
1246682992220,2cyclictest1279473-21kworker/u16:3+flush-8:019:55:554
1246693992120,0cyclictest0-21swapper/723:07:347
1246693992120,0cyclictest0-21swapper/722:17:047
1246693992120,0cyclictest0-21swapper/722:17:047
1246693992120,0cyclictest0-21swapper/722:06:187
1246693992120,0cyclictest0-21swapper/720:38:077
1246693992120,0cyclictest0-21swapper/719:29:517
1246693992115,5cyclictest1376609-21latency_hist20:12:177
1246692992119,2cyclictest1711248-21kworker/u16:1+flush-8:023:34:066
1246692992119,2cyclictest1711248-21kworker/u16:1+events_unbound23:01:576
1246692992119,2cyclictest1465769-21kworker/u16:2+flush-8:021:27:446
1246692992119,2cyclictest1465769-21kworker/u16:2+events_unbound21:37:086
1246692992119,2cyclictest1465769-21kworker/u16:2+events_unbound21:37:086
1246692992119,2cyclictest1337814-21kworker/u16:2+events_unbound20:37:596
1246692992119,2cyclictest1337814-21kworker/u16:2+events_unbound20:36:436
1246692992119,2cyclictest1337814-21kworker/u16:2+events_unbound20:30:466
1246692992119,2cyclictest1337814-21kworker/u16:2+events_unbound19:56:206
1246692992119,2cyclictest1279473-21kworker/u16:3+events_unbound19:35:236
1246684992119,2cyclictest1793517-21kworker/u16:2+flush-8:023:27:515
1246684992119,2cyclictest1615128-21kworker/u16:4+events_unbound22:27:125
1246684992119,2cyclictest1600870-21kworker/u16:2+flush-8:022:47:355
1246684992118,2cyclictest1600870-21kworker/u16:2+flush-8:022:27:415
1246684992118,2cyclictest1337814-21kworker/u16:2+flush-8:019:57:335
1246682992119,2cyclictest1793517-21kworker/u16:2+events_unbound23:32:544
1246682992119,2cyclictest1711248-21kworker/u16:1+events_unbound22:43:514
1246682992119,2cyclictest1518503-21kworker/u16:1+events_unbound22:18:114
1246682992119,2cyclictest1454179-21kworker/u16:0+events_unbound21:06:474
1246682992119,2cyclictest1337814-21kworker/u16:2+events_unbound20:18:054
1246682992119,2cyclictest1279473-21kworker/u16:3+events_unbound19:26:554
1246682992119,2cyclictest1206719-21kworker/u16:4+events_unbound19:33:554
1246682992118,2cyclictest1600870-21kworker/u16:2+events_unbound22:07:184
1246693992019,0cyclictest0-21swapper/720:57:597
1246693992019,0cyclictest0-21swapper/720:57:597
1246693992019,0cyclictest0-21swapper/719:57:327
1246693992019,0cyclictest0-21swapper/719:57:077
1246693992019,0cyclictest0-21swapper/719:40:037
1246692992018,2cyclictest1793517-21kworker/u16:2+events_unbound23:18:206
1246692992018,2cyclictest1473597-21kworker/u16:3+events_unbound21:22:586
1246692992018,2cyclictest1465769-21kworker/u16:2+events_unbound21:01:076
1246692992018,2cyclictest1465769-21kworker/u16:2+events_unbound21:01:076
1246692992018,2cyclictest1347464-21kworker/u16:4+flush-8:020:22:446
1246692992018,2cyclictest1226738-21kworker/u16:2+events_unbound19:13:596
1246692992018,2cyclictest1206719-21kworker/u16:4+flush-8:019:19:236
1246692992018,2cyclictest1206719-21kworker/u16:4+events_unbound19:11:546
1246684992018,2cyclictest1908695-21kworker/u16:2+flush-8:000:17:375
1246684992018,2cyclictest1853023-21kworker/u16:3+events_unbound00:02:405
1246684992018,2cyclictest1465769-21kworker/u16:2+events_unbound21:12:475
1246684992018,2cyclictest1206719-21kworker/u16:4+events_unbound19:07:425
1246682992018,2cyclictest1908695-21kworker/u16:2+events_unbound00:21:084
1246682992018,2cyclictest1711248-21kworker/u16:1+events_unbound22:59:334
1246682992018,2cyclictest1600870-21kworker/u16:2+events_unbound22:54:164
1246682992018,2cyclictest1600870-21kworker/u16:2+events_unbound22:54:164
1246682992018,2cyclictest1600870-21kworker/u16:2+events_unbound22:26:474
1246682992018,2cyclictest1405351-21kworker/u16:1+flush-8:020:42:334
1246682992018,2cyclictest1337814-21kworker/u16:2+flush-8:020:49:404
1246682992018,2cyclictest1279473-21kworker/u16:3+events_unbound19:50:344
1246682992017,2cyclictest1473597-21kworker/u16:3+events_unbound21:47:344
1246693991918,0cyclictest0-21swapper/723:03:397
1246693991918,0cyclictest0-21swapper/719:48:157
1246693991915,3cyclictest1302-21snmpd22:21:097
1246693991915,3cyclictest1302-21snmpd20:44:227
1246692991917,2cyclictest1600870-21kworker/u16:2+flush-8:022:32:586
1246692991917,2cyclictest1600870-21kworker/u16:2+events_unbound22:39:566
1246692991917,2cyclictest1337814-21kworker/u16:2+events_unbound20:17:486
1246692991917,2cyclictest1308976-21kworker/u16:0+events_unbound19:57:286
1246692991917,2cyclictest1308976-21kworker/u16:0+events_unbound19:49:146
1246692991916,2cyclictest1853023-21kworker/u16:3+flush-8:000:07:176
1246692991916,2cyclictest1853023-21kworker/u16:3+flush-8:000:07:176
124669299190,19cyclictest0-21swapper/622:19:176
1246684991917,2cyclictest1600870-21kworker/u16:2+events_unbound21:57:475
1246684991917,2cyclictest1206719-21kworker/u16:4+flush-8:019:37:375
1246682991917,2cyclictest1454179-21kworker/u16:0+events_unbound21:12:254
1246682991917,2cyclictest1279473-21kworker/u16:3+events_unbound19:46:344
1246682991916,2cyclictest1747220-21kworker/u16:0+flush-8:023:57:174
1246682991916,2cyclictest1226738-21kworker/u16:2+events_unbound19:17:174
1246693991817,0cyclictest0-21swapper/721:28:077
1246693991817,0cyclictest0-21swapper/720:33:227
1246693991816,1cyclictest1745143-21ssh22:53:117
1246693991816,1cyclictest1745143-21ssh22:53:117
1246692991816,2cyclictest1923880-21kworker/u16:1+events_unbound00:26:156
1246692991814,3cyclictest1760530-21cat23:02:326
1246684991816,2cyclictest1473597-21kworker/u16:3+flush-8:021:32:115
1246684991815,2cyclictest1873128-21kworker/u16:4+flush-8:000:07:225
1246684991815,2cyclictest1873128-21kworker/u16:4+flush-8:000:07:225
1246682991816,2cyclictest1793517-21kworker/u16:2+flush-8:023:37:464
1246682991816,2cyclictest1615128-21kworker/u16:4+events_unbound22:06:294
1246682991816,2cyclictest1473597-21kworker/u16:3+events_unbound21:22:484
1246682991816,2cyclictest1465769-21kworker/u16:2+events_unbound21:42:434
1246682991816,2cyclictest1454179-21kworker/u16:0+events_unbound21:07:204
1246682991816,2cyclictest1405351-21kworker/u16:1+events_unbound20:26:394
1246682991816,2cyclictest1337814-21kworker/u16:2+events_unbound20:33:044
1246682991816,2cyclictest1226738-21kworker/u16:2+events_unbound19:08:294
1246682991814,2cyclictest1711248-21kworker/u16:1+events_unbound23:19:194
1246693991716,0cyclictest0-21swapper/720:56:187
124669399170,16cyclictest1279386-21latency_hist19:22:177
1246692991715,2cyclictest1873128-21kworker/u16:4+events_unbound23:57:596
1246692991715,2cyclictest1793517-21kworker/u16:2+events_unbound23:28:096
1246692991715,2cyclictest1405351-21kworker/u16:1+events_unbound20:42:296
1246692991715,2cyclictest1279473-21kworker/u16:3+events_unbound19:25:436
1246684991715,2cyclictest1615128-21kworker/u16:4+flush-8:023:07:415
1246682991715,2cyclictest1853023-21kworker/u16:3+events_unbound23:49:234
1246682991715,2cyclictest1337814-21kworker/u16:2+events_unbound20:40:064
1246682991715,2cyclictest1308976-21kworker/u16:0+flush-8:019:58:234
1246682991715,2cyclictest1279473-21kworker/u16:3+events_unbound19:30:544
1246682991714,2cyclictest1405351-21kworker/u16:1+events_unbound20:52:214
1246693991615,0cyclictest0-21swapper/720:27:267
1246693991615,0cyclictest0-21swapper/720:25:047
1246693991615,0cyclictest0-21swapper/720:12:457
1246693991614,1cyclictest0-21swapper/719:32:427
1246692991614,2cyclictest1615128-21kworker/u16:4+flush-8:022:27:486
1246692991614,2cyclictest1600870-21kworker/u16:2+events_unbound22:55:076
1246692991614,2cyclictest1600870-21kworker/u16:2+events_unbound22:55:076
1246692991614,2cyclictest1206719-21kworker/u16:4+events_unbound19:29:146
1246692991613,2cyclictest1615128-21kworker/u16:4+events_unbound23:07:226
1246684991614,2cyclictest1923880-21kworker/u16:1+events_unbound00:32:445
1246684991614,2cyclictest1615128-21kworker/u16:4+events_unbound22:45:285
124668499160,1cyclictest0-21swapper/519:27:335
1246682991614,2cyclictest1747220-21kworker/u16:0+flush-8:023:02:324
1246682991614,2cyclictest1337814-21kworker/u16:2+flush-8:020:02:244
124668299160,2cyclictest1516041-21memory21:17:394
1246693991514,0cyclictest0-21swapper/723:23:287
1246693991513,1cyclictest1873395-21ssh23:57:187
1246693991512,2cyclictest0-21swapper/721:12:187
1246693991511,3cyclictest1302-21snmpd23:18:477
1246693991511,3cyclictest1302-21snmpd21:34:057
1246693991511,3cyclictest1302-21snmpd21:34:057
124669399150,14cyclictest0-21swapper/723:32:527
1246692991513,2cyclictest1615128-21kworker/u16:4+events_unbound22:12:276
1246692991513,2cyclictest1615128-21kworker/u16:4+events_unbound22:12:276
1246692991513,2cyclictest1577718-21kworker/u16:0+flush-8:021:47:556
1246692991513,2cyclictest1337814-21kworker/u16:2+flush-8:020:07:176
1246684991513,2cyclictest1853023-21kworker/u16:3+flush-8:023:47:225
1246684991513,2cyclictest1853023-21kworker/u16:3+events_unbound23:43:275
1246684991513,2cyclictest1747220-21kworker/u16:0+flush-8:000:17:115
1246684991513,2cyclictest1747220-21kworker/u16:0+events_unbound23:40:065
1246684991513,2cyclictest1711248-21kworker/u16:1+events_unbound23:22:195
1246684991513,2cyclictest1465769-21kworker/u16:2+events_unbound21:37:325
1246684991513,2cyclictest1454179-21kworker/u16:0+events_unbound20:57:445
1246684991513,2cyclictest1454179-21kworker/u16:0+events_unbound20:57:445
1246684991513,2cyclictest1405351-21kworker/u16:1+flush-8:021:07:175
1246682991513,2cyclictest1873128-21kworker/u16:4+events_unbound00:32:304
1246682991513,2cyclictest1793517-21kworker/u16:2+events_unbound23:22:324
1246682991513,2cyclictest1747220-21kworker/u16:0+events_unbound00:03:074
1246682991513,2cyclictest1473597-21kworker/u16:3+flush-8:021:30:174
1246682991513,2cyclictest1347464-21kworker/u16:4+flush-8:020:17:044
124669399149,4cyclictest1959878-21latency_hist00:37:177
1246693991412,1cyclictest1672115-21diskmemload22:22:407
1246693991412,1cyclictest1483256-21diskmemload22:48:037
1246693991412,1cyclictest1289476-21sed19:27:177
1246693991411,2cyclictest1712452-21ssh22:42:317
1246692991413,1cyclictest0-21swapper/621:43:306
1246692991413,1cyclictest0-21swapper/600:35:126
1246692991412,2cyclictest1206719-21kworker/u16:4+events_unbound19:37:326
1246684991413,1cyclictest0-21swapper/522:10:255
1246684991412,2cyclictest1793517-21kworker/u16:2+events_unbound23:34:555
1246684991412,2cyclictest1465769-21kworker/u16:2+flush-8:021:32:375
1246684991412,2cyclictest1465769-21kworker/u16:2+flush-8:021:32:375
1246684991412,2cyclictest1405351-21kworker/u16:1+flush-8:020:52:325
1246684991412,2cyclictest1337814-21kworker/u16:2+flush-8:020:32:375
124668499140,0cyclictest0-21swapper/521:54:015
124668299140,1cyclictest0-21swapper/400:25:544
124668299140,14cyclictest0-21swapper/422:32:424
124669399134,8cyclictest1518214-21ssh21:20:247
124669399130,11cyclictest1302-21snmpd21:52:597
1246692991312,1cyclictest0-21swapper/623:40:396
1246692991311,2cyclictest1747220-21kworker/u16:0+events_unbound23:16:396
124669299130,13cyclictest0-21swapper/621:17:396
124669299130,0cyclictest0-21swapper/621:12:556
1246684991312,1cyclictest0-21swapper/522:04:165
1246684991312,1cyclictest0-21swapper/500:30:445
1246684991311,2cyclictest1747220-21kworker/u16:0+events_unbound23:17:265
1246684991311,2cyclictest1600870-21kworker/u16:2+flush-8:022:32:295
1246684991311,2cyclictest1405351-21kworker/u16:1+events_unbound21:07:305
1246684991311,2cyclictest1226738-21kworker/u16:2+flush-8:019:12:385
1246684991310,2cyclictest1279473-21kworker/u16:3+flush-8:019:52:415
1246682991311,2cyclictest1615128-21kworker/u16:4+flush-8:022:12:554
1246682991311,2cyclictest1615128-21kworker/u16:4+flush-8:022:12:554
1246682991311,2cyclictest1465769-21kworker/u16:2+events_unbound21:32:454
1246682991311,2cyclictest1465769-21kworker/u16:2+events_unbound21:32:454
1246682991311,2cyclictest1226738-21kworker/u16:2+events_unbound19:13:264
124668299130,13cyclictest0-21swapper/400:15:024
124668299130,0cyclictest0-21swapper/423:07:424
124669399129,2cyclictest1302-21snmpd23:40:477
124669399129,2cyclictest1302-21snmpd22:41:227
124669399129,2cyclictest1302-21snmpd21:40:237
124669399128,3cyclictest1302-21snmpd22:09:277
124669399128,3cyclictest1302-21snmpd00:20:577
124669399126,5cyclictest6233-21gvfs-afc-volume23:00:567
124669399125,6cyclictest5965-21gmain23:54:307
124669399120,11cyclictest1302-21snmpd00:13:247
124669399120,11cyclictest0-21swapper/723:27:397
1246692991211,1cyclictest0-21swapper/622:23:526
1246692991211,1cyclictest0-21swapper/600:17:426
1246692991210,2cyclictest1473597-21kworker/u16:3+flush-8:021:38:136
1246692991210,2cyclictest1279473-21kworker/u16:3+events_unbound19:44:446
124669299120,11cyclictest1731761-21tr22:47:376
124668499129,2cyclictest1337814-21kworker/u16:2+flush-8:020:12:325
1246684991210,2cyclictest1923880-21kworker/u16:1+events_unbound00:26:275
1246684991210,2cyclictest1615128-21kworker/u16:4+events_unbound22:53:275
1246684991210,2cyclictest1615128-21kworker/u16:4+events_unbound22:53:275
1246684991210,2cyclictest1308976-21kworker/u16:0+events_unbound20:02:355
1246682991211,1cyclictest0-21swapper/421:57:144
1246682991210,2cyclictest1908695-21kworker/u16:2+flush-8:000:27:274
1246682991210,2cyclictest1600870-21kworker/u16:2+events_unbound21:57:344
1246682991210,2cyclictest1308976-21kworker/u16:0+events_unbound19:38:504
124669399118,2cyclictest1302-21snmpd22:32:097
124669399118,2cyclictest1302-21snmpd21:48:537
124669399117,3cyclictest1302-21snmpd00:31:017
124669399110,10cyclictest1302-21snmpd23:12:387
124669299114,6cyclictest0-21swapper/623:52:256
124668499119,2cyclictest1600870-21kworker/u16:2+events_unbound22:13:275
124668499119,2cyclictest1600870-21kworker/u16:2+events_unbound22:13:275
124668499119,2cyclictest1518503-21kworker/u16:1+events_unbound21:25:275
1246684991110,1cyclictest0-21swapper/520:43:525
124668499110,0cyclictest0-21swapper/520:08:145
124668499110,0cyclictest0-21swapper/519:18:345
1246682991110,1cyclictest0-21swapper/423:13:234
1246682991110,1cyclictest0-21swapper/422:38:514
124669399109,0cyclictest0-21swapper/720:47:327
124669399100,9cyclictest1576195-21ssh21:42:447
124669299109,1cyclictest0-21swapper/600:15:396
124668499109,1cyclictest0-21swapper/523:56:415
124668499109,1cyclictest0-21swapper/521:20:455
12466849998,1cyclictest0-21swapper/520:27:375
12466849998,1cyclictest0-21swapper/519:34:585
12466849986,2cyclictest1279473-21kworker/u16:3+flush-8:019:47:465
12466849973,3cyclictest1445342-21expr20:47:305
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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