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2026-05-29 - 17:55

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, slot #5

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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  Phytec
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 rackbslot5s.osadl.org (updated Fri May 29, 2026 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
133902995042,5cyclictest173442-21idleruntime-cro09:30:013
133885995038,9cyclictest133925-21latency_hist07:10:000
133902994738,5cyclictest208-21systemd-logind09:34:423
133885994739,5cyclictest230623-21missed_timers12:10:180
133885994739,4cyclictest135785-21munin-node07:15:010
133885994737,6cyclictest168701-21fschecks_count09:15:140
133896994516,26cyclictest208353-21if_eth111:10:152
133896994420,20cyclictest0-21swapper/209:50:152
133896994332,8cyclictest438-21cron12:00:012
13389699431,9cyclictest178919-21/usr/sbin/munin09:45:182
13389699431,9cyclictest178919-21/usr/sbin/munin09:45:182
133885994337,3cyclictest136971-21sendmail07:20:010
133885994332,6cyclictest0-21swapper/008:55:270
133902994233,6cyclictest202251-21unixbench_multi10:50:253
133902994233,6cyclictest202251-21unixbench_multi10:50:253
13389699429,5cyclictest215616-21/usr/sbin/munin11:30:232
13389699421,8cyclictest196957-21/usr/sbin/munin10:35:252
13389699421,8cyclictest164126-21/usr/sbin/munin09:00:222
13389699421,10cyclictest233578-21/usr/sbin/munin12:20:242
13389699421,10cyclictest168845-21/usr/sbin/munin09:15:162
133891994232,7cyclictest179816-21unixbench_multi09:45:291
133891994232,7cyclictest179816-21unixbench_multi09:45:281
133902994134,4cyclictest0-21swapper/309:00:013
13389699413,7cyclictest170508-21/usr/sbin/munin09:20:152
13389699411,9cyclictest210649-21/usr/sbin/munin11:15:212
133896994115,23cyclictest311ktimers/208:05:102
133896994114,23cyclictest0-21swapper/209:00:012
133891994132,5cyclictest0-21swapper/109:15:011
133885994132,6cyclictest198837-21unixbench_multi10:40:250
13389699409,7cyclictest146519-21seq07:59:422
13389699401,9cyclictest187444-21fschecks_count10:10:152
13389699401,8cyclictest222516-21/usr/sbin/munin11:45:242
13389699401,8cyclictest172092-21/usr/sbin/munin09:25:152
133896994010,4cyclictest191455-21meminfo10:20:192
13389699399,4cyclictest0-21swapper/208:25:232
13389699398,3cyclictest203068-21cut10:55:172
13389699392,9cyclictest238969-21/usr/sbin/munin12:35:192
13389699392,10cyclictest189172-21fschecks_count10:15:152
13389699391,9cyclictest204657-21/usr/sbin/munin11:00:142
13389699391,9cyclictest194709-21/usr/sbin/munin10:30:162
13389699391,8cyclictest235280-21/usr/sbin/munin12:25:242
13389699391,8cyclictest158851-21/usr/sbin/munin08:45:202
13389699391,8cyclictest156342-21/usr/sbin/munin08:35:222
13389699391,8cyclictest156342-21/usr/sbin/munin08:35:212
13389699391,10cyclictest238309-21grep12:30:262
133902993831,3cyclictest0-21swapper/311:50:013
133902993829,6cyclictest203070-21fschecks_count10:55:163
13389699388,3cyclictest137416-21fschecks_time07:20:172
13389699382,11cyclictest143995-21cron07:50:012
13389699381,9cyclictest226693-21/usr/sbin/munin12:00:152
13389699381,9cyclictest184354-21meminfo10:00:192
13389699381,9cyclictest175414-21/usr/sbin/munin09:35:132
13389699381,11cyclictest223712-21ntp_states11:50:222
13389699381,11cyclictest165707-21ntp_states09:05:222
13389699381,10cyclictest218370-21ntp_states11:35:202
13389699381,10cyclictest213951-21ntp_states11:25:212
13389699381,10cyclictest199978-21meminfo10:45:202
13389699381,10cyclictest160422-21ps08:50:212
133885993828,6cyclictest0-21swapper/008:15:230
133885993827,7cyclictest0-21swapper/009:00:250
133902993727,7cyclictest141655-21idleruntime-cro07:40:013
133902993727,6cyclictest0-21swapper/309:20:003
13389699378,3cyclictest233327-21cron12:20:002
13389699373,7cyclictest151159-21df_inode08:15:132
13389699371,9cyclictest228593-21/usr/sbin/munin12:05:172
13389699371,9cyclictest220308-21ntp_states11:40:202
13389699371,9cyclictest198307-21sed10:40:192
13389699371,9cyclictest192829-21diskstats10:25:172
13389699371,9cyclictest173660-21munin-node09:30:112
13389699371,9cyclictest167024-21fschecks_time09:10:162
13389699371,8cyclictest201904-21/usr/sbin/munin10:50:222
13389699371,8cyclictest201904-21/usr/sbin/munin10:50:222
13389699371,8cyclictest147239-21/usr/sbin/munin08:00:182
13389699371,8cyclictest141893-21/usr/sbin/munin07:40:112
13389699371,8cyclictest139753-21fschecks_time07:30:152
13389699371,8cyclictest136260-21munin-node07:15:042
133896993714,19cyclictest0-21swapper/211:05:242
133891993730,4cyclictest183664-21cut09:59:591
133891993729,5cyclictest204338-21kworker/u8:2+events_unbound11:40:131
133891993725,9cyclictest211412-21cron11:20:001
133902993628,4cyclictest0-21swapper/308:00:003
133902993627,6cyclictest0-21swapper/309:55:003
13389699362,7cyclictest230626-21missed_timers12:10:172
13389699362,5cyclictest183232-21unixbench_singl09:55:262
13389699361,9cyclictest144344-21df_inode07:50:112
13389699361,8cyclictest186663-21grep10:05:262
13389699361,8cyclictest178157-21/usr/sbin/munin09:40:262
133891993628,4cyclictest0-21swapper/112:05:151
133891993627,5cyclictest0-21swapper/107:40:001
133885993626,6cyclictest0-21swapper/011:30:270
133885993625,6cyclictest0-21swapper/008:25:250
133902993529,4cyclictest212779-21kworker/u8:1+events_unbound12:00:123
133902993526,5cyclictest219286-21idleruntime-cro11:40:003
133896993510,3cyclictest211676-21/usr/sbin/munin11:20:162
133896993510,3cyclictest134233-21/usr/sbin/munin07:10:142
133891993527,4cyclictest0-21swapper/112:00:241
133891993524,8cyclictest207801-21cron11:10:011
133891993520,11cyclictest231ktimers/107:10:091
133885993525,6cyclictest0-21swapper/008:10:020
133885993524,6cyclictest0-21swapper/011:20:260
133902993427,4cyclictest231639-21munin-plugin-st12:15:003
133902993425,5cyclictest0-21swapper/308:25:003
13389699341,5cyclictest153169-21cron08:25:002
133891993426,4cyclictest157218-21latency_hist08:40:001
133891993426,4cyclictest157218-21latency_hist08:40:001
133891993424,7cyclictest146548-21sh08:00:011
133891993423,6cyclictest0-21swapper/109:20:251
133885993425,5cyclictest138661-21cron07:25:000
133885993424,6cyclictest0-21swapper/012:35:230
133885993421,8cyclictest0-21swapper/008:35:250
133885993421,8cyclictest0-21swapper/008:35:240
133902993325,4cyclictest0-21swapper/309:45:293
133902993325,4cyclictest0-21swapper/309:45:283
13389699333,4cyclictest141644-21apt07:40:002
133891993325,5cyclictest240461-21idleruntime-cro12:40:011
133891993325,5cyclictest170006-21cron09:20:011
133891993321,9cyclictest213140-21cron11:25:001
133885993323,7cyclictest178145-21grep09:40:250
133902993221,7cyclictest0-21swapper/307:20:263
133902993221,6cyclictest0-21swapper/309:35:243
133902993221,6cyclictest0-21swapper/308:05:253
13389699321,12cyclictest155507-21cron08:35:002
133891993224,6cyclictest178361-21kworker/u8:0+events_unbound10:04:481
133891993224,5cyclictest0-21swapper/109:00:021
133891993222,6cyclictest0-21swapper/107:35:011
133885993225,3cyclictest0-21swapper/009:30:240
133885993222,7cyclictest0-21swapper/012:00:000
133885993222,6cyclictest0-21swapper/011:15:230
133902993124,3cyclictest0-21swapper/311:34:303
133902993123,5cyclictest140754-21kworker/u8:1+events_unbound07:44:243
133902993123,4cyclictest0-21swapper/310:45:273
133902993122,6cyclictest0-21swapper/312:30:013
133902993121,6cyclictest0-21swapper/307:30:253
133902993120,7cyclictest0-21swapper/312:10:003
133902993120,7cyclictest0-21swapper/309:55:263
13389699319,4cyclictest311ktimers/208:45:012
13389699311,10cyclictest138992-21sshd07:26:212
133885993122,6cyclictest0-21swapper/011:15:010
133885993121,6cyclictest0-21swapper/012:00:140
133885993120,8cyclictest166624-21ssh09:10:000
133902993022,4cyclictest0-21swapper/312:30:163
133902993022,4cyclictest0-21swapper/310:05:163
133902993021,6cyclictest0-21swapper/310:10:213
133902993021,5cyclictest0-21swapper/312:20:153
133902993020,6cyclictest0-21swapper/309:20:253
13389699309,4cyclictest311ktimers/208:10:052
133891993023,4cyclictest0-21swapper/108:00:251
133891993021,5cyclictest0-21swapper/108:05:241
133891993018,8cyclictest0-21swapper/107:55:011
133885993022,4cyclictest0-21swapper/008:50:000
133885993021,5cyclictest0-21swapper/010:00:240
133885993020,6cyclictest0-21swapper/008:35:010
133902992922,4cyclictest207813-21kthreadd11:10:003
133902992921,4cyclictest0-21swapper/311:20:263
133902992919,6cyclictest0-21swapper/310:35:003
133902992912,5cyclictest131rcu_preempt11:15:103
133891992919,7cyclictest209113-21grep11:10:241
133891992918,7cyclictest0-21swapper/112:15:151
133891992916,9cyclictest197593-21ls10:40:011
133885992919,6cyclictest0-21swapper/011:45:240
133902992820,4cyclictest0-21swapper/308:29:303
133891992820,4cyclictest0-21swapper/109:50:231
133891992819,6cyclictest231ktimers/111:45:101
133891992819,5cyclictest217479-21cron11:35:011
133891992817,7cyclictest231638-21grep12:15:011
133885992821,5cyclictest178361-21kworker/u8:0+events_unbound10:14:500
133885992820,6cyclictest224545-21kworker/u8:0+events_unbound12:25:190
133902992720,4cyclictest0-21swapper/311:10:153
133902992719,5cyclictest184919-21unixbench_multi10:00:233
133902992717,6cyclictest0-21swapper/312:15:253
133902992717,6cyclictest0-21swapper/310:20:013
133902992717,6cyclictest0-21swapper/309:00:253
133891992718,5cyclictest206120-21basename11:05:001
133891992717,6cyclictest0-21swapper/110:10:261
133885992721,3cyclictest0-21swapper/007:40:260
133885992718,6cyclictest229751-21sort12:10:000
133885992718,6cyclictest0-21swapper/007:55:000
133885992713,5cyclictest212779-21kworker/u8:1+events_unbound12:31:350
133902992621,3cyclictest194290-21latency_hist10:30:013
133902992619,3cyclictest0-21swapper/310:25:013
133902992617,6cyclictest0-21swapper/307:10:243
133902992617,5cyclictest0-21swapper/311:25:153
133902992616,6cyclictest0-21swapper/311:55:253
133902992615,7cyclictest0-21swapper/309:10:253
133902992613,7cyclictest0-21swapper/311:50:263
133891992620,4cyclictest189160-21fschecks_count10:15:161
133891992618,5cyclictest438-21cron12:00:001
133891992618,5cyclictest199305-21ls10:45:011
133891992616,6cyclictest438-21cron09:45:011
133891992614,8cyclictest0-21swapper/108:15:241
133885992618,5cyclictest0-21swapper/010:35:000
133885992617,5cyclictest0-21swapper/011:25:230
133885992616,6cyclictest235060-21munin-run12:25:000
133885992614,9cyclictest219362-21wc11:40:000
133891992519,3cyclictest0-21swapper/109:25:221
133891992518,5cyclictest158896-21kworker/u8:2+events_unbound08:49:361
133891992518,4cyclictest0-21swapper/109:05:251
133891992516,6cyclictest176038-21processes09:35:211
133891992515,6cyclictest187077-21auditctl10:10:011
133885992519,3cyclictest0-21swapper/010:25:180
133885992518,3cyclictest0-21swapper/009:59:590
133885992517,5cyclictest0-21swapper/008:50:160
133885992517,4cyclictest0-21swapper/008:25:010
133885992516,6cyclictest0-21swapper/010:35:160
13388599251,20cyclictest0-21swapper/011:07:020
13388599251,20cyclictest0-21swapper/010:06:310
133902992415,6cyclictest0-21swapper/308:45:183
133902992415,5cyclictest198850-21grep10:40:243
13389199245,5cyclictest131rcu_preempt10:45:121
133891992418,4cyclictest204338-21kworker/u8:2+events_unbound11:25:061
133891992418,3cyclictest0-21swapper/110:55:211
133891992417,4cyclictest0-21swapper/109:00:151
133891992417,3cyclictest0-21swapper/107:20:251
133891992417,3cyclictest0-21swapper/107:20:011
133891992416,5cyclictest212779-21kworker/u8:1+events_unbound12:29:531
133891992416,5cyclictest212779-21kworker/u8:1+events_unbound11:50:121
133891992415,5cyclictest438-21cron08:30:011
133885992418,3cyclictest0-21swapper/007:30:230
133885992417,5cyclictest178361-21kworker/u8:0+events_unbound10:55:010
133885992417,5cyclictest178361-21kworker/u8:0+events_unbound10:55:000
133885992417,3cyclictest0-21swapper/009:10:250
133885992416,5cyclictest0-21swapper/011:50:260
133885992416,5cyclictest0-21swapper/010:20:210
133885992416,5cyclictest0-21swapper/009:35:240
133885992416,4cyclictest0-21swapper/009:55:000
13388599241,19cyclictest0-21swapper/008:43:210
13388599241,19cyclictest0-21swapper/007:26:460
133902992317,3cyclictest0-21swapper/307:50:123
133902992316,4cyclictest178556-21auditctl09:45:003
133902992315,5cyclictest391ktimers/312:35:103
133891992317,3cyclictest0-21swapper/110:50:171
133891992317,3cyclictest0-21swapper/110:50:171
133891992317,3cyclictest0-21swapper/108:50:161
133891992316,5cyclictest178361-21kworker/u8:0+events_unbound10:32:051
133891992316,4cyclictest157860-21cron08:45:001
133891992313,6cyclictest0-21swapper/109:35:001
133891992312,7cyclictest235052-21cron12:24:591
133885992317,4cyclictest204338-21kworker/u8:2+events_unbound11:01:590
133885992315,5cyclictest0-21swapper/007:40:010
133885992313,6cyclictest219924-21fschecks_time11:40:150
133902992216,3cyclictest0-21swapper/308:35:153
133902992216,3cyclictest0-21swapper/308:35:153
133902992216,3cyclictest0-21swapper/308:15:153
133902992213,5cyclictest0-21swapper/309:05:263
133891992214,6cyclictest219463-21latency_hist11:40:011
133885992217,3cyclictest0-21swapper/008:00:200
133885992214,5cyclictest0-21swapper/008:00:010
133885992213,5cyclictest0-21swapper/012:20:010
13388599221,18cyclictest189869-21sed10:15:250
133885992210,8cyclictest204-21dbus-daemon09:24:410
13388599220,18cyclictest0-21swapper/010:49:560
133902992114,3cyclictest0-21swapper/308:00:153
133902992113,5cyclictest391ktimers/311:44:003
133902992112,5cyclictest0-21swapper/311:00:253
133891992114,5cyclictest231ktimers/110:29:511
133891992114,5cyclictest135333-21kworker/u8:0+events_unbound07:26:381
133891992114,4cyclictest144006-21idleruntime-cro07:50:011
133891992113,5cyclictest0-21swapper/107:45:001
13389199210,13cyclictest0-21swapper/108:32:241
133885992115,4cyclictest179507-21mailstats09:45:270
133885992115,4cyclictest179507-21mailstats09:45:270
133885992115,3cyclictest0-21swapper/009:25:180
13388599210,19cyclictest0-21swapper/008:11:320
13388599210,17cyclictest0-21swapper/007:45:210
13390299201,4cyclictest0-21swapper/308:31:213
133902992014,4cyclictest139306-21latency_hist07:30:013
133902992012,5cyclictest391ktimers/308:12:543
13389199203,5cyclictest131rcu_preempt10:20:111
133891992014,4cyclictest231ktimers/108:13:331
133902991912,5cyclictest391ktimers/310:35:133
133902991911,4cyclictest144000-21sh07:50:003
13389199180,10cyclictest645-21runrttasks08:21:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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