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2026-09-09 - 12:51

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 all highest latencies:
System rackbslot5s.osadl.org (updated Wed Sep 09, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
495324995540,11cyclictest311ktimers/222:30:122
495320995442,7cyclictest545709-21grep21:30:291
495324995136,11cyclictest311ktimers/221:50:152
495320994935,10cyclictest231ktimers/123:45:121
495320994838,5cyclictest548087-21sendmail21:40:001
495320994838,5cyclictest548087-21sendmail21:39:591
495324994736,7cyclictest570245-21grep22:40:272
495320994734,10cyclictest231ktimers/120:30:141
495324994636,6cyclictest499258-21munin-plugin-st19:20:002
495324994538,4cyclictest575787-21sendmail23:00:012
495320994438,4cyclictest516503-21kworker/u8:0+events_unbound20:11:431
495320994437,5cyclictest533742-21kworker/u8:1+events_unbound21:11:531
495315994437,4cyclictest520147-21munin-plugin-st20:20:010
495327994336,4cyclictest565561-21idleruntime-cro22:30:003
495327994336,4cyclictest565561-21idleruntime-cro22:30:003
495320994235,5cyclictest556538-21kworker/u8:2+events_unbound22:42:121
495327994031,6cyclictest562133-21cron22:20:003
495320994034,4cyclictest537435-21kworker/u8:3+events_unbound21:26:571
495327993931,5cyclictest513112-21sendmail20:00:013
495327993930,6cyclictest558096-21unixbench_singl22:05:253
495320993927,4cyclictest131rcu_preempt21:15:241
495327993828,6cyclictest0-21swapper/323:25:003
495327993827,7cyclictest531603-21unixbench_multi20:50:253
495320993831,5cyclictest594495-21kworker/u8:1+events_unbound00:09:411
495320993818,3cyclictest0-21swapper/123:24:471
495315993828,8cyclictest121ktimers/021:35:150
495315993828,8cyclictest121ktimers/021:35:150
495327993728,6cyclictest560439-21munin-plugin-st22:15:003
495327993728,5cyclictest0-21swapper/323:25:163
495320993725,4cyclictest131rcu_preempt23:35:511
495320993725,4cyclictest131rcu_preempt23:35:511
495320993714,6cyclictest131rcu_preempt23:10:241
495327993627,6cyclictest607949-21unixbench_multi00:30:243
495327993627,6cyclictest607949-21unixbench_multi00:30:243
495320993628,4cyclictest0-21swapper/121:25:011
495320993626,7cyclictest520940-21ntpq20:20:201
495320993618,10cyclictest131rcu_preempt22:10:151
495320993616,4cyclictest131rcu_preempt00:35:551
495315993628,5cyclictest204-21dbus-daemon00:38:050
495327993520,11cyclictest391ktimers/322:40:153
49532499353,4cyclictest0-21swapper/221:25:122
495324993525,6cyclictest0-21swapper/220:30:272
495320993526,5cyclictest0-21swapper/119:15:051
495320993526,5cyclictest0-21swapper/100:20:001
495320993518,10cyclictest131rcu_preempt22:35:001
495315993524,7cyclictest551074-21grep21:45:250
495327993422,7cyclictest0-21swapper/319:40:273
495324993427,4cyclictest540618-21munin-run21:20:012
495324993426,4cyclictest0-21swapper/219:45:142
495320993420,5cyclictest131rcu_preempt00:33:401
495320993420,5cyclictest131rcu_preempt00:33:391
495320993420,4cyclictest131rcu_preempt23:05:591
495320993417,4cyclictest131rcu_preempt23:41:541
495320993417,4cyclictest131rcu_preempt23:41:531
495320993416,4cyclictest131rcu_preempt19:12:091
495320993415,4cyclictest131rcu_preempt00:01:531
495320993415,4cyclictest0-21swapper/121:59:291
495315993427,3cyclictest0-21swapper/021:00:010
495315993426,5cyclictest553607-21fschecks_time21:55:180
495315993423,7cyclictest543997-21grep21:25:250
495327993323,6cyclictest0-21swapper/321:35:273
495327993323,6cyclictest0-21swapper/321:35:273
495320993325,5cyclictest515220-21fschecks_count20:05:161
495320993322,8cyclictest438-21cron20:40:001
495320993322,8cyclictest438-21cron20:40:001
495320993316,10cyclictest131rcu_preempt22:45:151
495320993315,4cyclictest131rcu_preempt23:52:141
495320993315,10cyclictest131rcu_preempt00:14:531
495320993314,5cyclictest131rcu_preempt22:52:361
495315993325,4cyclictest0-21swapper/022:35:250
495315993325,4cyclictest0-21swapper/020:35:160
495315993325,4cyclictest0-21swapper/020:35:160
495315993325,3cyclictest0-21swapper/023:45:260
495327993225,4cyclictest0-21swapper/322:25:003
495327993224,4cyclictest0-21swapper/323:30:253
495327993224,4cyclictest0-21swapper/319:45:213
495327993223,6cyclictest500518-21unixbench_multi19:20:253
495327993223,6cyclictest500518-21unixbench_multi19:20:253
495327993222,7cyclictest0-21swapper/322:35:253
495327993221,8cyclictest571949-21grep22:45:233
495327993221,7cyclictest0-21swapper/323:55:253
495324993225,4cyclictest606704-21munin-plugin-st00:30:002
495324993225,4cyclictest0-21swapper/220:45:002
495324993224,4cyclictest0-21swapper/200:00:262
495324993223,4cyclictest0-21swapper/200:20:002
495320993224,5cyclictest231ktimers/120:00:151
495320993222,7cyclictest0-21swapper/119:40:011
495320993221,4cyclictest131rcu_preempt23:25:161
495320993221,4cyclictest131rcu_preempt22:55:161
495320993219,4cyclictest131rcu_preempt20:16:011
495320993214,3cyclictest131rcu_preempt22:35:221
495320993210,14cyclictest24-21ksoftirqd/122:15:181
495320993210,13cyclictest131rcu_preempt20:40:201
495315993225,3cyclictest0-21swapper/019:50:270
495315993224,4cyclictest0-21swapper/020:50:250
495315993222,6cyclictest529975-21grep20:45:270
495327993121,6cyclictest0-21swapper/321:35:013
495327993121,6cyclictest0-21swapper/319:10:273
495327993120,6cyclictest0-21swapper/323:15:253
495324993122,5cyclictest0-21swapper/220:25:002
49532499310,6cyclictest131rcu_preempt22:25:122
49532499310,6cyclictest131rcu_preempt22:25:122
49532099319,5cyclictest131rcu_preempt23:55:161
495320993118,5cyclictest131rcu_preempt21:45:401
495320993115,9cyclictest131rcu_preempt19:45:131
495320993115,9cyclictest131rcu_preempt00:25:171
495320993115,4cyclictest131rcu_preempt19:21:211
495320993115,4cyclictest131rcu_preempt19:21:211
495320993114,4cyclictest131rcu_preempt19:29:531
495320993114,4cyclictest131rcu_preempt19:29:531
495320993113,10cyclictest131rcu_preempt22:20:141
495315993123,4cyclictest0-21swapper/022:17:070
495315993121,6cyclictest0-21swapper/019:55:170
495315993120,7cyclictest578789-21grep23:05:250
495327993023,4cyclictest540647-21kworker/u8:321:20:013
495327993022,5cyclictest391ktimers/320:45:133
495327993022,4cyclictest0-21swapper/320:10:273
495327993021,4cyclictest0-21swapper/321:20:243
495327993021,4cyclictest0-21swapper/300:27:343
495327993020,6cyclictest0-21swapper/323:10:003
495324993024,4cyclictest546128-21kworker/u8:1+events_unbound21:44:422
495324993024,4cyclictest516503-21kworker/u8:0+events_unbound20:12:412
495324993023,4cyclictest0-21swapper/221:20:272
495324993022,5cyclictest53-21kcompactd020:10:012
495324993022,4cyclictest0-21swapper/219:40:162
495324993021,6cyclictest0-21swapper/219:30:162
495324993021,5cyclictest593207-21runrttasks23:50:152
495324993020,6cyclictest0-21swapper/220:00:012
49532099309,5cyclictest131rcu_preempt22:05:231
49532099309,14cyclictest24-21ksoftirqd/121:05:171
49532099308,5cyclictest131rcu_preempt19:30:021
495320993019,4cyclictest131rcu_preempt21:05:001
495320993018,4cyclictest131rcu_preempt19:51:141
495320993017,5cyclictest131rcu_preempt23:00:181
495320993017,5cyclictest131rcu_preempt21:40:171
495320993017,5cyclictest131rcu_preempt20:55:181
495320993014,4cyclictest131rcu_preempt22:27:051
495320993014,4cyclictest131rcu_preempt22:27:051
495320993014,4cyclictest131rcu_preempt22:00:511
495320993013,3cyclictest131rcu_preempt20:45:221
49532099301,14cyclictest507409-21/usr/sbin/munin19:40:261
495320993011,4cyclictest131rcu_preempt23:15:231
495315993022,4cyclictest13550irq/42-30be0000.ethernet00:00:010
495327992922,4cyclictest552732-21unixbench_multi21:50:273
495327992921,4cyclictest0-21swapper/300:05:263
495327992919,6cyclictest0-21swapper/323:35:273
495327992919,6cyclictest0-21swapper/323:35:273
49532499299,3cyclictest131rcu_preempt22:10:152
495324992922,4cyclictest645-21runrttasks21:05:122
495324992922,4cyclictest577043-21grep23:00:252
495324992922,4cyclictest0-21swapper/221:10:262
495324992916,4cyclictest546597-21apt-get21:35:132
495324992916,4cyclictest546597-21apt-get21:35:132
49532499291,4cyclictest131rcu_preempt23:30:132
49532099299,12cyclictest24-21ksoftirqd/121:50:221
49532099299,11cyclictest24-21ksoftirqd/119:55:191
495320992917,9cyclictest231ktimers/120:50:141
495320992917,4cyclictest131rcu_preempt00:20:211
495320992911,4cyclictest131rcu_preempt23:30:201
495315992922,4cyclictest0-21swapper/000:15:000
495327992822,4cyclictest515336-21sshd20:05:183
495327992818,6cyclictest0-21swapper/300:35:173
495324992821,5cyclictest544392-21kworker/u8:0+events_unbound21:31:562
495324992821,4cyclictest0-21swapper/200:30:242
495324992821,4cyclictest0-21swapper/200:30:242
495324992820,4cyclictest0-21swapper/223:05:162
495324992820,4cyclictest0-21swapper/221:00:172
495324992820,4cyclictest0-21swapper/220:50:002
495324992820,4cyclictest0-21swapper/200:35:262
495315992821,4cyclictest0-21swapper/023:35:270
495315992821,4cyclictest0-21swapper/023:35:270
49531599281,8cyclictest5843922date23:25:010
495315992818,6cyclictest0-21swapper/023:30:000
495327992720,3cyclictest0-21swapper/319:15:183
495327992719,4cyclictest0-21swapper/300:00:263
49532499272,4cyclictest131rcu_preempt20:25:142
495324992719,4cyclictest0-21swapper/223:20:002
495324992716,5cyclictest597768-21kworker/u8:2+events_unbound00:05:162
495315992721,4cyclictest590869-21kworker/u8:0+events_unbound00:07:320
495315992720,3cyclictest0-21swapper/019:30:010
495315992720,3cyclictest0-21swapper/019:30:010
495315992715,8cyclictest204-21dbus-daemon21:31:560
495327992619,4cyclictest0-21swapper/320:25:273
495327992618,4cyclictest0-21swapper/323:40:263
495327992618,4cyclictest0-21swapper/323:40:263
495327992616,7cyclictest579608-21uniq23:10:153
49532499262,4cyclictest5316202unixbench_multi20:50:252
495324992620,4cyclictest584246-21kworker/u8:0+events_unbound23:29:022
495324992618,5cyclictest0-21swapper/222:20:002
495324992618,4cyclictest0-21swapper/222:50:192
495324992616,7cyclictest601477-21apt-config00:15:012
495324992613,4cyclictest131rcu_preempt23:11:392
49531599267,4cyclictest523561-21auditctl20:30:000
495327992519,4cyclictest499287-21kworker/u8:1+events_unbound19:30:423
495327992518,4cyclictest526996-21idleruntime-cro20:40:003
495327992518,4cyclictest526996-21idleruntime-cro20:40:003
495327992517,4cyclictest0-21swapper/321:10:013
495327992517,4cyclictest0-21swapper/300:10:263
495327992516,6cyclictest506281-21sh19:40:013
495327992516,6cyclictest0-21swapper/321:00:183
495327992516,5cyclictest0-21swapper/321:00:013
495327992516,5cyclictest0-21swapper/300:20:253
495324992519,4cyclictest532026-21kworker/u8:0+events_unbound20:59:142
495324992519,3cyclictest0-21swapper/223:55:202
495324992519,3cyclictest0-21swapper/223:40:002
495324992519,3cyclictest0-21swapper/223:40:002
495324992517,6cyclictest516503-21kworker/u8:0+events_unbound20:17:162
495324992517,4cyclictest0-21swapper/222:00:012
495324992517,4cyclictest0-21swapper/219:20:162
495324992517,4cyclictest0-21swapper/219:20:162
495315992518,3cyclictest0-21swapper/021:20:180
495315992517,5cyclictest0-21swapper/000:20:250
495315992516,5cyclictest0-21swapper/021:51:460
495315992516,5cyclictest0-21swapper/020:40:260
49531599251,3cyclictest5387062sleep021:12:380
49531599251,22cyclictest0-21swapper/019:45:110
49531599251,20cyclictest0-21swapper/020:12:260
49531599251,20cyclictest0-21swapper/019:38:150
495327992417,3cyclictest0-21swapper/323:50:233
495327992414,6cyclictest0-21swapper/321:10:263
49532499249,5cyclictest590869-21kworker/u8:0+events_unbound23:49:142
495324992418,4cyclictest582991-21fschecks_count23:20:172
495324992418,3cyclictest0-21swapper/219:25:242
495324992418,3cyclictest0-21swapper/219:25:242
495324992417,5cyclictest145-21jbd2/mmcblk1p2-822:45:152
495324992417,4cyclictest509578-21kworker/u8:3+events_unbound19:50:222
495324992417,4cyclictest0-21swapper/222:20:192
495324992417,3cyclictest0-21swapper/222:05:022
495324992416,4cyclictest0-21swapper/221:45:252
495324992415,7cyclictest568957-21sendmail22:40:002
495315992420,2cyclictest13550irq/42-30be0000.ethernet23:40:130
495315992420,2cyclictest13550irq/42-30be0000.ethernet23:40:130
495315992420,2cyclictest13550irq/42-30be0000.ethernet19:30:050
495315992420,2cyclictest13550irq/42-30be0000.ethernet00:15:120
495315992419,2cyclictest13550irq/42-30be0000.ethernet22:10:190
495315992418,4cyclictest496527-21grep19:10:270
495315992418,3cyclictest0-21swapper/022:55:210
495315992417,4cyclictest0-21swapper/020:30:180
495315992417,3cyclictest0-21swapper/022:40:180
495315992417,3cyclictest0-21swapper/022:25:220
495315992417,3cyclictest0-21swapper/022:25:220
495315992416,5cyclictest577555-21grep23:05:000
495315992416,5cyclictest0-21swapper/020:20:250
49531599241,5cyclictest581689-21ntp_states23:15:210
49531599241,20cyclictest5875262sleep023:32:470
49531599241,19cyclictest0-21swapper/023:14:040
49531599241,19cyclictest0-21swapper/022:34:300
49531599241,19cyclictest0-21swapper/022:06:140
49531599241,19cyclictest0-21swapper/022:02:330
49531599241,19cyclictest0-21swapper/020:02:430
49531599241,19cyclictest0-21swapper/019:44:430
495327992317,3cyclictest0-21swapper/322:50:293
495327992317,3cyclictest0-21swapper/321:25:233
495327992317,3cyclictest0-21swapper/320:20:143
495327992316,3cyclictest0-21swapper/323:05:013
49532799231,18cyclictest629-21snmpd20:15:143
495324992317,3cyclictest0-21swapper/223:40:142
495324992317,3cyclictest0-21swapper/223:40:142
495324992317,3cyclictest0-21swapper/219:35:172
495324992313,7cyclictest32-21ksoftirqd/219:10:172
495315992317,3cyclictest0-21swapper/019:15:540
495315992316,4cyclictest500508-21grep19:20:250
495315992316,4cyclictest500508-21grep19:20:250
495315992315,5cyclictest0-21swapper/020:05:180
49531599231,20cyclictest0-21swapper/022:24:560
49531599231,18cyclictest0-21swapper/022:49:270
49531599231,18cyclictest0-21swapper/021:17:220
495327992215,3cyclictest0-21swapper/323:45:163
495327992214,5cyclictest0-21swapper/322:55:253
495324992216,3cyclictest0-21swapper/200:20:212
495315992213,6cyclictest573499-21sed22:50:280
49531599221,19cyclictest0-21swapper/000:31:020
49531599221,19cyclictest0-21swapper/000:31:020
49531599221,18cyclictest535853-21diskstats21:05:150
49531599221,18cyclictest0-21swapper/000:00:510
49531599221,17cyclictest0-21swapper/021:41:470
495327992114,5cyclictest0-21swapper/322:00:213
495327992111,7cyclictest603371-21date00:20:003
49532499216,7cyclictest131rcu_preempt22:05:182
495315992112,6cyclictest0-21swapper/021:00:170
49532799208,9cyclictest523907-21df_inode20:30:163
495327992015,3cyclictest0-21swapper/322:30:123
495327992015,3cyclictest0-21swapper/321:40:203
495327992013,5cyclictest391ktimers/320:00:163
495327992013,4cyclictest527424-21fschecks_time20:40:173
495327992011,6cyclictest0-21swapper/319:50:183
49532499207,3cyclictest131rcu_preempt20:35:252
49532499207,3cyclictest131rcu_preempt20:35:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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