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2025-11-17 - 07:08
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot6.osadl.org (updated Mon Nov 17, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1263521530,4sleep0210799cyclictest23:09:580
1145221480,5sleep3212599cyclictest22:31:513
177391890,3ptp4l401ktimersoftd/320:11:293
324292830,3sleep00-21swapper/020:09:420
177391690,1ptp4l401ktimersoftd/301:12:073
35332640,3sleep33535-21proc_pri20:14:543
177391640,1ptp4l401ktimersoftd/323:19:233
137472640,2sleep10-21swapper/122:34:501
177391600,2ptp4l401ktimersoftd/300:07:293
177391580,1ptp4l401ktimersoftd/323:03:453
269272570,2sleep10-21swapper/121:04:291
177391570,1ptp4l401ktimersoftd/300:20:053
177391550,1ptp4l401ktimersoftd/323:50:323
177391540,1ptp4l401ktimersoftd/322:38:113
138472540,4sleep341-21ksoftirqd/300:25:133
177391530,1ptp4l401ktimersoftd/320:19:543
177391520,1ptp4l401ktimersoftd/323:08:383
155112520,1sleep10-21swapper/120:39:441
1853915125,4phc2sys41-21ksoftirqd/322:42:113
177391500,0ptp4l401ktimersoftd/301:25:533
211399461,17cyclictest25509-21/usr/sbin/munin22:09:531
211399461,16cyclictest31051-21timerwakeupswit21:10:021
177391450,1ptp4l401ktimersoftd/322:16:523
211399442,17cyclictest4845-21if_ens321:24:491
211399420,17cyclictest17385-21sh01:07:061
211399412,9cyclictest6745-21snmp_o5powerctl20:19:551
211399412,8cyclictest9339-21snmp_o5powerctl20:24:531
177391410,1ptp4l401ktimersoftd/322:06:443
177391410,1ptp4l401ktimersoftd/322:06:443
211399407,5cyclictest25-21ksoftirqd/121:49:541
177391400,1ptp4l401ktimersoftd/323:34:583
177391400,1ptp4l401ktimersoftd/320:29:473
177391400,1ptp4l401ktimersoftd/300:43:163
177391390,2ptp4l32530-21kworker/3:020:50:003
177391390,1ptp4l401ktimersoftd/322:48:493
177391390,1ptp4l401ktimersoftd/320:59:593
177391390,0ptp4l401ktimersoftd/321:06:203
211399381,8cyclictest30848-21snmp_o5powerctl00:45:001
2107993832,3cyclictest10052-21cron20:29:280
177391380,1ptp4l401ktimersoftd/322:50:073
177391380,1ptp4l401ktimersoftd/322:24:503
177391370,1ptp4l401ktimersoftd/323:55:173
177391370,1ptp4l401ktimersoftd/323:55:173
177391370,1ptp4l401ktimersoftd/323:41:053
177391370,1ptp4l401ktimersoftd/323:26:283
177391370,1ptp4l401ktimersoftd/320:45:023
177391370,1ptp4l401ktimersoftd/301:44:263
177391370,1ptp4l401ktimersoftd/301:44:263
177391370,1ptp4l401ktimersoftd/301:29:583
177391370,1ptp4l401ktimersoftd/301:23:213
177391370,1ptp4l401ktimersoftd/301:00:163
177391370,1ptp4l401ktimersoftd/300:46:323
211399368,5cyclictest25-21ksoftirqd/123:54:381
211399368,5cyclictest25-21ksoftirqd/123:54:381
177391360,2ptp4l29214-21kworker/3:200:51:103
177391360,1ptp4l401ktimersoftd/323:11:013
177391360,1ptp4l401ktimersoftd/301:15:003
177391360,1ptp4l401ktimersoftd/301:07:083
177391360,1ptp4l401ktimersoftd/300:10:283
177391360,0ptp4l401ktimersoftd/322:23:483
177391360,0ptp4l401ktimersoftd/300:39:053
177391360,0ptp4l401ktimersoftd/300:16:593
87392350,2sleep20-21swapper/223:44:092
177391350,1ptp4l401ktimersoftd/323:24:223
211399346,13cyclictest19944-21apt-get23:19:441
2107993429,3cyclictest9-21ksoftirqd/023:39:330
2107993429,3cyclictest9-21ksoftirqd/000:09:330
2107993428,3cyclictest9-21ksoftirqd/001:34:530
177391340,1ptp4l401ktimersoftd/322:10:513
177391340,1ptp4l401ktimersoftd/300:33:433
326332336,9sleep20-21swapper/220:09:452
211399337,5cyclictest25-21ksoftirqd/122:43:231
2107993328,3cyclictest9-21ksoftirqd/022:59:320
2107993328,3cyclictest9-21ksoftirqd/000:24:340
177391330,1ptp4l401ktimersoftd/323:47:133
177391330,1ptp4l401ktimersoftd/323:33:483
177391330,1ptp4l401ktimersoftd/300:02:043
177391330,11ptp4l401ktimersoftd/321:34:373
177391330,10ptp4l401ktimersoftd/322:02:343
211399323,15cyclictest14254-21ssh23:12:321
2113993225,4cyclictest14992-21cron20:39:281
211399320,11cyclictest0-21swapper/100:19:571
2107993227,3cyclictest9-21ksoftirqd/023:54:480
2107993227,3cyclictest9-21ksoftirqd/023:54:480
2107993226,3cyclictest25280-1kworker/u9:100:45:020
177391320,1ptp4l401ktimersoftd/321:09:553
177391320,10ptp4l401ktimersoftd/300:55:193
177391320,0ptp4l401ktimersoftd/321:43:213
177391320,0ptp4l401ktimersoftd/320:54:563
286462310,2sleep10-21swapper/100:05:071
2117993124,4cyclictest33-21ksoftirqd/223:21:402
211399319,19cyclictest24954-21ps23:24:511
211399316,4cyclictest25-21ksoftirqd/122:52:251
211399312,16cyclictest27656-21diskmemload00:43:071
2113993118,6cyclictest6978-21apt-get23:04:471
2113993117,7cyclictest13674-21apt-get23:49:461
177391310,0ptp4l401ktimersoftd/301:36:083
2117993024,3cyclictest33-21ksoftirqd/200:07:442
2117993023,4cyclictest33-21ksoftirqd/222:26:042
2117993020,7cyclictest33-21ksoftirqd/220:40:182
211399303,15cyclictest27656-21diskmemload01:09:491
211399303,14cyclictest12821-21ssh01:01:451
211399302,6cyclictest25-21ksoftirqd/100:11:311
2107993025,3cyclictest9-21ksoftirqd/023:05:050
2107993025,3cyclictest9-21ksoftirqd/020:44:290
177391300,7ptp4l401ktimersoftd/321:50:423
2692522922,3sleep09-21ksoftirqd/022:09:570
2117992922,4cyclictest33-21ksoftirqd/222:34:352
2113992921,4cyclictest25-21ksoftirqd/123:31:071
2113992917,6cyclictest32305-21apt-get01:24:521
2107992925,3cyclictest9-21ksoftirqd/023:54:330
2107992924,3cyclictest9-21ksoftirqd/022:14:520
2107992924,3cyclictest9-21ksoftirqd/021:14:300
2107992924,3cyclictest9-21ksoftirqd/020:19:280
2107992924,3cyclictest9-21ksoftirqd/001:39:580
2107992924,3cyclictest9-21ksoftirqd/001:39:580
2107992924,3cyclictest9-21ksoftirqd/001:29:490
2107992924,3cyclictest9-21ksoftirqd/000:59:500
2107992924,3cyclictest9-21ksoftirqd/000:14:330
177391290,1ptp4l401ktimersoftd/322:56:533
177391290,1ptp4l401ktimersoftd/321:17:153
139902290,3sleep2121rcu_preempt01:40:042
139902290,3sleep2121rcu_preempt01:40:042
2125992821,4cyclictest41-21ksoftirqd/320:40:513
2117992823,3cyclictest33-21ksoftirqd/221:39:292
2117992823,3cyclictest33-21ksoftirqd/220:14:482
2117992823,3cyclictest33-21ksoftirqd/200:50:212
2117992822,4cyclictest33-21ksoftirqd/221:48:222
2117992822,3cyclictest33-21ksoftirqd/223:04:332
2117992822,3cyclictest33-21ksoftirqd/201:31:362
2117992821,4cyclictest33-21ksoftirqd/200:40:012
211399287,5cyclictest25-21ksoftirqd/100:15:271
2113992822,4cyclictest25-21ksoftirqd/123:04:321
2107992822,3cyclictest9-21ksoftirqd/000:19:330
177391280,1ptp4l401ktimersoftd/321:54:433
2117992722,3cyclictest33-21ksoftirqd/223:25:502
2117992722,3cyclictest33-21ksoftirqd/221:56:522
2117992722,3cyclictest33-21ksoftirqd/221:43:432
2117992721,4cyclictest33-21ksoftirqd/220:55:592
2117992721,4cyclictest33-21ksoftirqd/220:51:582
2117992721,4cyclictest33-21ksoftirqd/201:36:342
2117992721,3cyclictest33-21ksoftirqd/201:07:132
2117992720,4cyclictest33-21ksoftirqd/222:04:282
211399273,8cyclictest6541-21ssh22:25:331
211399272,9cyclictest2600-21ssh23:35:471
2113992716,5cyclictest27841-21apt-get01:19:491
211399270,13cyclictest0-21swapper/121:19:471
2107992722,3cyclictest9-21ksoftirqd/021:14:500
2107992722,3cyclictest9-21ksoftirqd/000:54:540
2107992722,3cyclictest9-21ksoftirqd/000:29:340
2107992721,4cyclictest9-21ksoftirqd/021:05:490
2107992721,3cyclictest9-21ksoftirqd/023:44:520
2107992721,3cyclictest9-21ksoftirqd/021:20:040
2107992720,4cyclictest9-21ksoftirqd/022:07:430
2107992720,4cyclictest9-21ksoftirqd/022:07:430
177391270,0ptp4l401ktimersoftd/321:24:233
17462275,10sleep10-21swapper/120:11:131
2117992621,3cyclictest33-21ksoftirqd/221:15:552
2117992621,3cyclictest33-21ksoftirqd/220:37:482
2117992620,3cyclictest33-21ksoftirqd/223:59:502
2117992620,3cyclictest33-21ksoftirqd/220:29:302
2117992620,3cyclictest33-21ksoftirqd/220:23:082
2117992620,3cyclictest33-21ksoftirqd/200:34:492
211399267,5cyclictest25-21ksoftirqd/100:26:021
211399267,4cyclictest12936-21ssh23:48:501
211399266,17cyclictest21605-21runrttasks20:49:591
211399262,8cyclictest18948-21ssh23:18:171
211399262,8cyclictest12848-21diskstats01:39:541
211399262,8cyclictest12848-21diskstats01:39:541
2113992621,3cyclictest25-21ksoftirqd/121:46:401
2113992621,3cyclictest25-21ksoftirqd/101:30:231
2113992621,3cyclictest25-21ksoftirqd/101:15:091
211399261,8cyclictest5610-21ssh00:54:371
2113992615,6cyclictest32475-21apt-get22:19:471
2113992614,6cyclictest2373-21apt-get20:14:431
2107992621,3cyclictest9-21ksoftirqd/023:29:510
2107992621,3cyclictest9-21ksoftirqd/022:49:530
2107992621,3cyclictest9-21ksoftirqd/020:34:280
2107992620,4cyclictest9-21ksoftirqd/020:35:220
2107992620,3cyclictest9-21ksoftirqd/021:00:350
2125992520,3cyclictest41-21ksoftirqd/321:26:033
2117992520,3cyclictest33-21ksoftirqd/222:20:182
2117992519,4cyclictest33-21ksoftirqd/221:01:452
2117992519,3cyclictest33-21ksoftirqd/221:06:052
2117992518,4cyclictest33-21ksoftirqd/222:10:502
2117992518,4cyclictest33-21ksoftirqd/221:10:172
211399258,6cyclictest25-21ksoftirqd/122:46:211
211399257,5cyclictest25-21ksoftirqd/123:42:171
211399253,9cyclictest9888-21rt-features01:35:031
211399252,6cyclictest0-21swapper/121:59:491
2113992519,3cyclictest25-21ksoftirqd/122:55:381
2113992519,3cyclictest25-21ksoftirqd/121:56:041
2107992520,3cyclictest9-21ksoftirqd/023:44:320
2107992520,3cyclictest9-21ksoftirqd/022:40:050
2107992520,3cyclictest9-21ksoftirqd/021:49:300
2107992520,3cyclictest9-21ksoftirqd/021:29:510
2107992520,3cyclictest9-21ksoftirqd/020:46:550
2107992520,3cyclictest9-21ksoftirqd/001:19:530
2107992520,3cyclictest9-21ksoftirqd/000:39:530
2107992520,3cyclictest1702-21tune2fs00:49:540
2107992519,3cyclictest9-21ksoftirqd/023:14:470
2107992519,3cyclictest9-21ksoftirqd/020:57:380
2107992518,4cyclictest9-21ksoftirqd/023:25:560
2107992518,4cyclictest9-21ksoftirqd/020:52:560
177391250,1ptp4l401ktimersoftd/321:44:453
2117992419,3cyclictest33-21ksoftirqd/221:23:212
2117992418,4cyclictest33-21ksoftirqd/223:31:562
2117992418,4cyclictest33-21ksoftirqd/222:53:502
2117992417,4cyclictest33-21ksoftirqd/221:30:162
2117992417,4cyclictest33-21ksoftirqd/201:14:462
2113992419,3cyclictest25-21ksoftirqd/122:19:311
2107992419,3cyclictest9-21ksoftirqd/023:22:020
2107992419,3cyclictest9-21ksoftirqd/022:29:500
2107992419,3cyclictest9-21ksoftirqd/022:24:540
2107992418,3cyclictest9-21ksoftirqd/001:14:500
2107992418,3cyclictest9-21ksoftirqd/001:14:340
177391240,1ptp4l401ktimersoftd/321:29:453
177391240,1ptp4l401ktimersoftd/320:35:013
177391240,1ptp4l401ktimersoftd/320:24:293
2117992317,4cyclictest33-21ksoftirqd/222:42:582
2113992318,3cyclictest25-21ksoftirqd/120:45:581
2113992318,3cyclictest25-21ksoftirqd/100:37:441
2113992311,8cyclictest17746-21sh00:29:591
2113992311,8cyclictest11704-21snmp_o5powerctl20:29:541
211399230,8cyclictest11229-21ssh22:31:231
2107992319,3cyclictest9-21ksoftirqd/022:34:530
2107992318,3cyclictest9-21ksoftirqd/022:59:590
2107992317,3cyclictest9-21ksoftirqd/021:59:490
2107992317,3cyclictest9-21ksoftirqd/021:54:180
211799221,8cyclictest7190-21snmp_o5powerctl00:55:012
2117992216,4cyclictest33-21ksoftirqd/222:14:442
2117992215,5cyclictest227-21systemd-journal01:29:352
2117992214,5cyclictest7999-21cut00:19:522
2117992214,3cyclictest33-21ksoftirqd/222:31:062
211799221,17cyclictest30550-21ssh22:54:462
211399228,10cyclictest0-21swapper/121:39:441
211399225,7cyclictest2995-21sed00:50:081
2113992215,4cyclictest25-21ksoftirqd/120:57:351
2107992217,3cyclictest9-21ksoftirqd/020:24:280
2107992216,4cyclictest9-21ksoftirqd/021:24:500
2107992216,4cyclictest9-21ksoftirqd/001:24:580
2107992216,3cyclictest9-21ksoftirqd/023:59:540
2107992216,3cyclictest9-21ksoftirqd/022:44:520
2117992116,3cyclictest33-21ksoftirqd/223:02:252
2117992116,3cyclictest33-21ksoftirqd/220:26:512
2117992116,3cyclictest33-21ksoftirqd/200:45:022
211799211,4cyclictest1897-21snmp_o5powerctl23:35:022
2117992114,4cyclictest24579-21switchtime22:05:002
2117992114,4cyclictest24579-21switchtime22:05:002
2117992114,4cyclictest14257-21date01:04:352
211799210,8cyclictest0-21swapper/200:31:002
211399218,9cyclictest0-21swapper/121:14:431
211399216,6cyclictest25-21ksoftirqd/121:36:031
2113992115,4cyclictest25-21ksoftirqd/121:08:431
210799212,16cyclictest11804-21head21:39:490
2107992116,3cyclictest9-21ksoftirqd/021:34:450
2107992116,3cyclictest9-21ksoftirqd/001:05:070
2107992115,3cyclictest9-21ksoftirqd/022:19:530
2117992014,3cyclictest24480-21sh22:46:392
2117992014,3cyclictest16983-21irqstats21:49:502
2117992014,3cyclictest13764-21cpuspeed_turbos23:49:462
2117992014,3cyclictest13238-21sh23:49:272
2117992013,4cyclictest5588-21sh00:16:122
2117992013,4cyclictest31469-21sh01:23:492
2117992013,4cyclictest20447-21sh23:56:132
2117992013,4cyclictest20447-21sh23:56:132
2117992012,5cyclictest47050irq/102-ens3-Tx23:10:032
2113992014,4cyclictest25-21ksoftirqd/121:34:291
2107992014,3cyclictest16381-21sh00:29:480
2117991913,4cyclictest15393-21sh00:28:282
2117991913,3cyclictest21272-21sh01:11:062
2117991913,3cyclictest1869-21sh00:12:292
211399197,9cyclictest23379-21ls22:04:461
211399197,9cyclictest23379-21ls22:04:461
2113991912,4cyclictest22404-21/usr/sbin/munin23:59:511
2107991913,3cyclictest20580-21sed21:59:300
2117991811,4cyclictest15895-21df_inode23:14:482
211799180,6cyclictest190-21jbd2/sda1-821:24:352
210799189,7cyclictest21167-21gltestperf00:34:540
2117991710,4cyclictest18632-21latency20:44:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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