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2026-05-25 - 05:04
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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 May 25, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2262221330,4sleep1962199cyclictest01:45:521
1068911040,3ptp4l401ktimersoftd/320:35:423
106891700,1ptp4l401ktimersoftd/301:20:423
53832660,3sleep00-21swapper/000:55:360
92192634,10sleep00-21swapper/020:36:400
211562630,2sleep10-21swapper/123:30:541
106891590,1ptp4l401ktimersoftd/300:53:313
962699588,18cyclictest6576-21ssh22:43:432
962699588,18cyclictest6576-21ssh22:43:432
106891580,1ptp4l401ktimersoftd/323:42:303
106891580,1ptp4l401ktimersoftd/320:50:133
53712570,4sleep125-21ksoftirqd/121:35:521
127902570,5sleep3963599cyclictest23:55:533
106891560,1ptp4l401ktimersoftd/320:40:463
106891560,1ptp4l401ktimersoftd/301:32:073
106891560,1ptp4l401ktimersoftd/300:44:503
962699535,13cyclictest20218-21/usr/sbin/munin23:30:472
167092530,2sleep30-21swapper/301:40:003
962699526,12cyclictest17775-21ssh23:27:242
962699525,13cyclictest18666-21/usr/sbin/munin00:35:472
309722520,2sleep00-21swapper/022:30:470
962699515,12cyclictest4302-21sed02:00:382
962699515,12cyclictest15443-21ssh23:58:482
94282514,36sleep10-21swapper/120:39:241
106891510,15ptp4l24290-21kworker/3:201:10:513
310222500,4sleep3963599cyclictest01:54:253
962699495,18cyclictest12678-21cstates20:45:342
962699489,8cyclictest8981-21sendmail_mailst01:31:022
962699478,12cyclictest2747-21diskmemload01:50:562
106891470,1ptp4l24290-21kworker/3:200:37:453
962699464,11cyclictest2747-21diskmemload01:19:152
962699455,9cyclictest17530-21users01:06:092
962699444,9cyclictest23365-21diskstats23:00:482
962699444,18cyclictest6475-21taskset02:01:122
106891440,2ptp4l15399-21kworker/3:023:25:043
963599433,10cyclictest24934-21ssh23:35:473
962699423,8cyclictest16935-21ssh00:33:242
92212402,23sleep26051-21snmpd20:36:422
106891400,1ptp4l401ktimersoftd/300:48:573
106891390,1ptp4l401ktimersoftd/322:30:583
106891390,1ptp4l401ktimersoftd/321:40:573
106891380,1ptp4l401ktimersoftd/302:02:533
106891380,1ptp4l401ktimersoftd/301:47:233
962699378,13cyclictest25737-21ssh00:09:452
962699378,13cyclictest13559-21missed_timers01:36:012
106891370,1ptp4l401ktimersoftd/323:34:023
106891370,1ptp4l401ktimersoftd/323:16:573
106891370,1ptp4l401ktimersoftd/323:10:163
106891370,1ptp4l401ktimersoftd/322:51:043
106891370,1ptp4l401ktimersoftd/302:06:243
106891370,1ptp4l401ktimersoftd/301:56:283
106891370,1ptp4l401ktimersoftd/301:44:593
106891370,1ptp4l401ktimersoftd/301:29:263
106891370,1ptp4l401ktimersoftd/301:18:503
106891370,1ptp4l401ktimersoftd/301:05:203
106891370,1ptp4l401ktimersoftd/300:34:013
106891370,1ptp4l401ktimersoftd/300:27:363
106891370,1ptp4l401ktimersoftd/300:23:293
962699368,12cyclictest19896-21ssh00:03:042
106891360,1ptp4l401ktimersoftd/320:55:313
106891360,1ptp4l401ktimersoftd/320:55:313
106891360,1ptp4l401ktimersoftd/300:11:083
106891360,1ptp4l401ktimersoftd/300:07:023
106891360,0ptp4l401ktimersoftd/323:13:253
106891360,0ptp4l401ktimersoftd/323:04:213
106891360,0ptp4l401ktimersoftd/322:57:143
106891360,0ptp4l401ktimersoftd/322:43:143
106891360,0ptp4l401ktimersoftd/322:43:143
106891360,0ptp4l401ktimersoftd/322:10:523
106891360,0ptp4l401ktimersoftd/301:10:083
106891360,0ptp4l401ktimersoftd/300:19:033
106891350,2ptp4l15399-21kworker/3:021:27:043
106891350,1ptp4l401ktimersoftd/323:45:513
106891350,1ptp4l401ktimersoftd/300:59:023
962699345,18cyclictest10615-21/usr/sbin/munin23:20:492
9626993413,17cyclictest23880-21/usr/sbin/munin22:15:482
74072340,4sleep05618-21/usr/sbin/munin00:56:050
962699336,5cyclictest0-21swapper/221:05:522
962699336,16cyclictest29600-21ssh23:06:012
9626993320,11cyclictest33-21ksoftirqd/201:05:372
106891330,1ptp4l401ktimersoftd/323:50:573
106891330,1ptp4l401ktimersoftd/322:49:303
106891330,1ptp4l401ktimersoftd/300:00:473
962699325,11cyclictest0-21swapper/201:25:112
9626993226,3cyclictest33-21ksoftirqd/222:10:332
106891320,1ptp4l401ktimersoftd/323:30:193
106891320,1ptp4l401ktimersoftd/322:05:093
106891320,0ptp4l401ktimersoftd/321:02:093
962699315,16cyclictest4938-21irqstats00:20:562
9626993119,6cyclictest16504-21apt-get22:00:452
106891310,1ptp4l401ktimersoftd/321:56:373
106891310,1ptp4l401ktimersoftd/321:34:213
106891310,1ptp4l401ktimersoftd/321:13:573
106891310,0ptp4l401ktimersoftd/322:09:173
962699308,9cyclictest32059-21ssh00:15:532
9626993015,11cyclictest0-21swapper/222:55:452
99712290,4sleep1231rcuc/123:20:341
962699295,8cyclictest14645-21sed22:51:022
9626992922,4cyclictest33-21ksoftirqd/201:30:152
962699292,11cyclictest0-21swapper/221:45:532
9614992924,3cyclictest9-21ksoftirqd/022:30:320
962699287,18cyclictest28161-21sed00:11:022
962699286,18cyclictest0-21swapper/202:05:522
9621992824,3cyclictest25-21ksoftirqd/123:25:341
9621992823,3cyclictest25-21ksoftirqd/122:00:331
9621992822,3cyclictest25-21ksoftirqd/101:55:481
9621992822,3cyclictest25-21ksoftirqd/100:39:041
9614992823,3cyclictest9-21ksoftirqd/022:40:480
9614992823,3cyclictest9-21ksoftirqd/022:40:480
9614992823,3cyclictest9-21ksoftirqd/002:05:580
9614992821,5cyclictest9-21ksoftirqd/000:45:470
1518722821,3sleep125-21ksoftirqd/100:31:011
106891280,10ptp4l401ktimersoftd/321:20:313
962699279,15cyclictest4495-21grep21:35:462
962699272,10cyclictest0-21swapper/221:50:432
9626992716,5cyclictest30739-21apt-get22:30:452
9614992722,3cyclictest9-21ksoftirqd/021:10:310
9614992722,3cyclictest9-21ksoftirqd/020:45:310
9614992722,3cyclictest9-21ksoftirqd/001:55:540
9614992721,3cyclictest9-21ksoftirqd/000:45:360
106891270,1ptp4l401ktimersoftd/322:39:583
106891270,1ptp4l401ktimersoftd/321:23:203
962699268,15cyclictest1861-21memory00:50:552
962699266,17cyclictest32532-21sed21:25:492
962699265,18cyclictest24450-21ssh01:14:392
962699262,9cyclictest20755-21ssh01:43:352
9626992621,3cyclictest33-21ksoftirqd/223:45:512
9626992619,4cyclictest33-21ksoftirqd/221:10:522
9626992615,6cyclictest24931-21apt-get23:35:472
9626992615,5cyclictest9877-21apt-get20:40:432
962699261,11cyclictest0-21swapper/223:40:522
9626992611,11cyclictest0-21swapper/221:00:432
9626992610,11cyclictest0-21swapper/223:50:462
9621992621,3cyclictest25-21ksoftirqd/101:24:031
962199260,2cyclictest0-21swapper/122:30:381
9614992621,3cyclictest9-21ksoftirqd/023:35:560
9614992621,3cyclictest9-21ksoftirqd/022:50:460
9614992621,3cyclictest9-21ksoftirqd/000:35:540
9614992620,3cyclictest9-21ksoftirqd/023:05:530
9614992620,3cyclictest9-21ksoftirqd/000:20:560
9614992619,4cyclictest9-21ksoftirqd/021:55:220
106891260,1ptp4l401ktimersoftd/321:52:303
106891260,0ptp4l401ktimersoftd/322:25:463
9635992519,3cyclictest41-21ksoftirqd/321:06:203
962699259,13cyclictest28681-21fschecks_count00:45:512
962699258,13cyclictest5334-21ssh23:15:402
962699255,17cyclictest0-21swapper/221:20:462
9626992520,3cyclictest33-21ksoftirqd/200:30:352
9626992519,3cyclictest33-21ksoftirqd/200:41:572
9626992518,4cyclictest33-21ksoftirqd/220:52:452
9626992511,10cyclictest8124-21/usr/sbin/munin21:40:542
9626992510,12cyclictest2631-21/usr/sbin/munin21:30:482
9621992521,3cyclictest25-21ksoftirqd/101:30:581
9621992519,3cyclictest25-21ksoftirqd/121:34:511
9614992520,3cyclictest9-21ksoftirqd/023:10:490
9614992520,3cyclictest9-21ksoftirqd/022:00:340
9614992520,3cyclictest9-21ksoftirqd/021:15:440
9614992520,3cyclictest9-21ksoftirqd/001:09:530
9614992520,3cyclictest9-21ksoftirqd/000:11:030
9614992520,3cyclictest22566-21latency_hist23:00:340
9614992519,4cyclictest9-21ksoftirqd/000:05:490
9614992519,3cyclictest9-21ksoftirqd/021:47:430
9614992519,3cyclictest9-21ksoftirqd/021:44:100
9614992518,4cyclictest9-21ksoftirqd/001:35:510
106891250,1ptp4l401ktimersoftd/321:46:493
106891250,1ptp4l401ktimersoftd/321:38:123
9635992417,4cyclictest41-21ksoftirqd/322:25:243
962699246,5cyclictest0-21swapper/222:25:482
962699246,16cyclictest0-21swapper/223:10:512
962699245,6cyclictest0-21swapper/201:48:282
9626992410,10cyclictest9032-21/usr/sbin/munin22:45:532
9621992419,3cyclictest25-21ksoftirqd/123:26:011
9621992419,3cyclictest25-21ksoftirqd/121:15:411
9621992419,3cyclictest25-21ksoftirqd/102:00:571
9621992418,3cyclictest25-21ksoftirqd/121:44:401
9621992418,3cyclictest25-21ksoftirqd/121:06:191
9621992417,4cyclictest25-21ksoftirqd/123:37:451
9621992417,4cyclictest25-21ksoftirqd/122:21:161
9621992417,4cyclictest25-21ksoftirqd/122:18:271
9614992419,3cyclictest9-21ksoftirqd/023:45:480
9614992419,3cyclictest9-21ksoftirqd/021:12:290
9614992419,3cyclictest9-21ksoftirqd/000:30:360
9614992419,3cyclictest9-21ksoftirqd/000:15:490
9614992418,3cyclictest9-21ksoftirqd/020:57:570
9614992418,3cyclictest9-21ksoftirqd/020:57:570
9614992417,4cyclictest5067-21sed02:00:540
255312240,2sleep10-21swapper/100:41:291
1907922417,3sleep09-21ksoftirqd/001:41:060
106891240,1ptp4l401ktimersoftd/322:16:133
106891240,1ptp4l401ktimersoftd/320:50:423
962699239,11cyclictest1161-21/usr/sbin/munin22:35:502
962699239,11cyclictest1055-21runrttasks22:20:552
962699237,13cyclictest8934-21ssh00:58:292
962699234,17cyclictest0-21swapper/222:10:492
9626992317,4cyclictest33-21ksoftirqd/220:55:472
9626992317,4cyclictest33-21ksoftirqd/220:55:472
9626992316,4cyclictest33-21ksoftirqd/221:57:252
9621992318,3cyclictest25-21ksoftirqd/122:50:521
9621992318,3cyclictest25-21ksoftirqd/101:30:371
9621992317,3cyclictest25-21ksoftirqd/101:01:531
9621992316,5cyclictest25-21ksoftirqd/122:45:571
9621992316,4cyclictest25-21ksoftirqd/122:08:521
962199230,11cyclictest167982sed01:05:591
9614992318,3cyclictest9-21ksoftirqd/023:31:020
9614992318,3cyclictest9-21ksoftirqd/023:25:490
9614992318,3cyclictest9-21ksoftirqd/001:28:010
9614992317,3cyclictest9-21ksoftirqd/021:59:430
9614992317,3cyclictest30203-21sed21:20:490
9614992316,4cyclictest9-21ksoftirqd/022:17:300
9614992316,4cyclictest9-21ksoftirqd/022:09:470
9614992315,5cyclictest5613-21grep23:15:450
9614992315,4cyclictest21625-21unixbench_multi21:00:590
210822230,3sleep0961499cyclictest00:05:060
962699229,10cyclictest27796-21grep21:15:462
962199226,3cyclictest47050irq/101-ens3-Tx00:00:261
9621992217,3cyclictest25-21ksoftirqd/100:05:481
9621992216,3cyclictest25-21ksoftirqd/121:24:471
9621992215,4cyclictest25-21ksoftirqd/121:11:071
9621992215,4cyclictest25-21ksoftirqd/120:42:281
962199221,4cyclictest1009-21snmp_o5powerctl21:25:591
9614992217,3cyclictest9-21ksoftirqd/001:51:040
9614992217,3cyclictest9-21ksoftirqd/001:20:550
9614992216,3cyclictest9-21ksoftirqd/020:45:460
9614992215,4cyclictest9-21ksoftirqd/022:39:540
9614992215,4cyclictest25894-21sed01:15:530
9614992211,9cyclictest9-21ksoftirqd/001:05:370
962199219,10cyclictest27786-21idleruntime01:50:541
9621992116,3cyclictest25-21ksoftirqd/123:13:121
9621992115,3cyclictest3106-21/usr/sbin/munin22:40:511
9621992115,3cyclictest3106-21/usr/sbin/munin22:40:511
9621992115,3cyclictest25-21ksoftirqd/122:35:451
9621992115,3cyclictest25-21ksoftirqd/120:54:541
9621992115,3cyclictest25-21ksoftirqd/120:49:331
9621992114,4cyclictest27956-21cut00:10:561
9621992114,4cyclictest11803-21df21:50:451
962199211,17cyclictest18537-21if_enp1s0.122:55:511
962199210,18cyclictest7091-21ssh00:23:161
961499213,10cyclictest4428-21apt-get21:35:450
9614992116,3cyclictest9-21ksoftirqd/023:43:540
9614992116,3cyclictest9-21ksoftirqd/001:33:560
9614992116,3cyclictest9-21ksoftirqd/000:35:360
9614992114,5cyclictest26379-21grep22:20:490
9614992114,4cyclictest9-21ksoftirqd/021:28:400
9621992015,3cyclictest30292-21sh23:06:371
9621992015,3cyclictest25-21ksoftirqd/121:50:211
9621992015,3cyclictest25-21ksoftirqd/101:40:541
9621992015,3cyclictest25-21ksoftirqd/100:55:541
9621992014,3cyclictest28602-21df22:25:461
9621992014,3cyclictest25-21ksoftirqd/102:05:511
9621992014,3cyclictest14958-21logrotate01:37:041
9621992013,4cyclictest30416-21if_enp1s0.123:40:521
9621992013,4cyclictest2977-21sh00:19:351
9621992013,4cyclictest23327-21idleruntime-cro22:15:321
9621992013,4cyclictest18719-21uptime00:01:041
962199201,16cyclictest22993-21/usr/sbin/munin23:00:531
962199201,16cyclictest18257-21seq22:01:441
9614992015,3cyclictest9-21ksoftirqd/023:55:500
9614992015,3cyclictest9-21ksoftirqd/020:52:090
9614992014,3cyclictest7051-21/usr/sbin/munin23:50:530
9614992013,4cyclictest2747-21diskmemload01:13:410
9614992013,4cyclictest22397-21proc_pri22:10:540
9614992013,4cyclictest1055-21runrttasks22:50:020
9614992011,4cyclictest2747-21diskmemload01:50:380
9621991913,4cyclictest9017-21cstates00:25:481
9621991913,3cyclictest7409-21sh23:50:491
9621991913,3cyclictest29061-21cut00:45:541
9621991912,4cyclictest25-21ksoftirqd/121:03:561
9621991912,4cyclictest2166-21/usr/sbin/munin23:45:461
9621991912,4cyclictest1677-21sed00:50:541
9621991911,4cyclictest18540-21irqrtprio20:55:491
9621991911,4cyclictest18540-21irqrtprio20:55:491
962199190,18cyclictest0-21swapper/101:14:331
9614991914,3cyclictest9-21ksoftirqd/023:04:400
9614991913,3cyclictest9-21ksoftirqd/023:23:060
9621991811,4cyclictest26460-21load01:15:561
9614991810,4cyclictest2043-21acpi21:30:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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