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2026-03-23 - 23:10

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 Mon Mar 23, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2114323995342,6cyclictest2119508-21grep07:20:240
2114323995144,4cyclictest2197561-21munin-plugin-st11:10:010
2114332994941,4cyclictest2183490-21sh10:30:012
2114334994841,4cyclictest2188564-21unixbench_multi10:40:263
2114334994841,4cyclictest2188564-21unixbench_multi10:40:253
2114327994737,7cyclictest2129732-21grep07:50:251
2114332994639,4cyclictest2143840-21munin-plugin-st08:35:002
2114332994639,4cyclictest2143840-21munin-plugin-st08:35:002
2114332994635,6cyclictest2186658-21unixbench_multi10:35:272
2114327994436,4cyclictest0-21swapper/107:10:111
2114332994333,6cyclictest2225232-21fschecks_count12:30:152
2114332994332,8cyclictest2190742-21munin-plugin-st10:50:012
2114334994231,8cyclictest2187146-21latency_hist10:40:003
2114332994235,4cyclictest2203121-21fschecks_time11:25:162
2114332994235,4cyclictest2185184-21apt-get10:35:012
2114327994031,5cyclictest2212474-21grep11:50:271
2114327994030,6cyclictest2119511-21unixbench_multi07:20:241
2114334993931,4cyclictest0-21swapper/310:35:013
2114332993929,6cyclictest0-21swapper/210:45:002
2114332993929,6cyclictest0-21swapper/210:45:002
2114323993931,5cyclictest2130186-21auditctl07:55:010
2114334993830,4cyclictest0-21swapper/308:10:163
2114323993832,3cyclictest0-21swapper/010:45:000
2114323993832,3cyclictest0-21swapper/010:45:000
2114327993730,4cyclictest2187384-21latency_hist10:40:011
2114327993730,4cyclictest0-21swapper/112:20:241
2114327993730,4cyclictest0-21swapper/112:20:241
2114327993729,4cyclictest0-21swapper/112:05:141
2114327993728,6cyclictest164-21systemd-journal08:00:211
2114334993628,4cyclictest0-21swapper/312:20:143
2114334993628,4cyclictest0-21swapper/312:20:143
2114332993629,4cyclictest0-21swapper/209:20:002
2114332993626,6cyclictest0-21swapper/212:10:242
2114327993629,4cyclictest0-21swapper/112:20:001
2114327993629,4cyclictest0-21swapper/112:20:001
2114327993629,4cyclictest0-21swapper/107:45:191
2114323993630,3cyclictest0-21swapper/011:50:270
2114323993626,6cyclictest2210747-21grep11:45:250
2114334993527,4cyclictest0-21swapper/308:50:393
2114334993527,4cyclictest0-21swapper/307:20:013
2114334993525,5cyclictest438-21cron07:40:013
2114332993525,6cyclictest0-21swapper/212:05:002
2114332993525,6cyclictest0-21swapper/211:40:002
2114332993525,6cyclictest0-21swapper/209:50:002
2114327993525,7cyclictest2147460-21auditctl08:45:011
2114323993525,6cyclictest2169218-21grep09:45:250
2114323993525,6cyclictest0-21swapper/009:40:500
2114332993427,4cyclictest0-21swapper/209:55:002
2114332993427,4cyclictest0-21swapper/209:55:002
2114332993424,6cyclictest0-21swapper/207:45:262
2114332993423,6cyclictest0-21swapper/212:15:262
2114332993423,6cyclictest0-21swapper/212:15:262
2114327993428,4cyclictest2192207-21kworker/u8:1+events_unbound11:11:131
2114327993427,4cyclictest2138713-21latency_hist08:20:001
2114327993426,4cyclictest0-21swapper/110:25:011
2114327993426,4cyclictest0-21swapper/107:45:011
2114327993423,8cyclictest0-21swapper/110:15:001
2114323993426,4cyclictest0-21swapper/008:00:000
2114323993423,8cyclictest2203939-21grep11:25:250
2114332993326,4cyclictest2114315-21cyclictest08:10:152
2114332993323,6cyclictest0-21swapper/209:25:252
2114332993323,6cyclictest0-21swapper/207:40:012
2114332993321,8cyclictest2131926-21sendmail08:00:012
2114332993318,10cyclictest0-21swapper/211:20:002
2114327993326,4cyclictest2194141-21munin-plugin-st11:00:001
2114323993326,4cyclictest0-21swapper/012:10:150
2114323993325,5cyclictest2180291-21grep10:20:160
2114323993322,6cyclictest2126394-21grep07:40:260
2114332993225,3cyclictest0-21swapper/210:10:162
2114332993223,5cyclictest1-21systemd07:10:112
2114332993222,6cyclictest0-21swapper/211:50:272
2114332993222,6cyclictest0-21swapper/211:05:162
2114332993222,6cyclictest0-21swapper/210:00:252
2114332993222,6cyclictest0-21swapper/210:00:002
2114332993222,6cyclictest0-21swapper/210:00:002
2114332993221,6cyclictest0-21swapper/210:25:012
2114327993224,5cyclictest0-21swapper/108:45:261
2114327993222,7cyclictest2164030-21grep09:30:241
2114327993221,7cyclictest2219707-21cron12:15:001
2114327993218,10cyclictest204-21dbus-daemon08:10:241
2114323993223,7cyclictest121ktimers/009:30:110
2114323993223,5cyclictest0-21swapper/012:10:000
2114334993123,6cyclictest2144482-21fschecks_time08:35:173
2114334993121,7cyclictest2174319-21grep10:00:263
2114334993121,6cyclictest0-21swapper/309:20:003
2114332993123,4cyclictest0-21swapper/208:30:002
2114332993123,4cyclictest0-21swapper/208:30:002
2114332993122,4cyclictest0-21swapper/208:15:152
2114332993121,6cyclictest0-21swapper/212:35:262
2114332993121,6cyclictest0-21swapper/212:25:002
2114332993121,6cyclictest0-21swapper/212:25:002
2114332993121,6cyclictest0-21swapper/208:55:162
2114332993120,7cyclictest0-21swapper/207:20:012
2114332993113,11cyclictest131rcu_preempt09:00:132
2114327993124,5cyclictest2141255-21kworker/u8:3+events_unbound08:30:371
2114327993124,5cyclictest2141255-21kworker/u8:3+events_unbound08:30:371
2114327993124,4cyclictest0-21swapper/110:55:001
2114327993124,3cyclictest0-21swapper/110:00:001
2114327993124,3cyclictest0-21swapper/110:00:001
2114327993123,5cyclictest2195396-21grep11:00:241
2114327993123,4cyclictest0-21swapper/111:30:251
2114323993123,4cyclictest0-21swapper/008:15:000
2114334993024,4cyclictest1016800-21kworker/u8:2+events_unbound07:40:213
2114334993023,4cyclictest0-21swapper/311:15:253
2114334993023,3cyclictest0-21swapper/309:05:173
2114332993021,6cyclictest0-21swapper/211:20:252
2114332993021,5cyclictest0-21swapper/212:05:232
2114332993020,6cyclictest0-21swapper/211:10:252
2114332993020,6cyclictest0-21swapper/210:55:262
2114332993020,6cyclictest0-21swapper/208:35:282
2114332993020,6cyclictest0-21swapper/207:30:012
2114327993023,4cyclictest0-21swapper/109:10:251
2114327993022,4cyclictest0-21swapper/110:35:021
2114327993021,5cyclictest0-21swapper/110:25:231
2114327993021,4cyclictest0-21swapper/109:00:261
2114327993020,6cyclictest2117774-21grep07:15:251
2114327993020,6cyclictest0-21swapper/111:45:251
2114323993024,3cyclictest0-21swapper/011:55:240
2114323993024,3cyclictest0-21swapper/007:15:250
2114323993022,6cyclictest121ktimers/011:35:110
2114323993022,5cyclictest2131762-21kworker/u8:2+events_unbound08:05:240
2114323993022,4cyclictest2171720-21fschecks_count09:55:140
2114323993022,4cyclictest2171720-21fschecks_count09:55:140
211432399301,13cyclictest2228238-21auditctl12:40:000
2114334992923,4cyclictest2203909-21unixbench_multi11:25:253
2114334992921,4cyclictest0-21swapper/307:10:173
2114334992920,6cyclictest2207359-21grep11:35:263
2114334992920,6cyclictest2196288-21grep11:05:163
2114334992920,6cyclictest0-21swapper/309:45:253
2114332992921,5cyclictest0-21swapper/210:15:262
2114332992920,5cyclictest0-21swapper/209:35:242
2114327992923,3cyclictest0-21swapper/109:10:001
2114327992922,4cyclictest0-21swapper/108:25:171
2114327992922,4cyclictest0-21swapper/108:25:161
2114327992921,4cyclictest0-21swapper/110:15:161
2114327992920,5cyclictest2158974-21grep09:15:261
2114323992923,3cyclictest0-21swapper/012:25:010
2114323992923,3cyclictest0-21swapper/012:25:000
2114323992922,3cyclictest0-21swapper/010:35:010
2114323992921,5cyclictest13550irq/42-30be0000.ethernet07:40:010
2114323992921,4cyclictest2141710-21unixbench_singl08:25:250
2114323992921,4cyclictest2141710-21unixbench_singl08:25:250
2114323992919,8cyclictest2186186-21ntp_offset10:35:230
211433499287,18cyclictest2212480-21grep11:50:273
2114334992822,4cyclictest2145382-21kworker/u8:2+events_unbound10:25:593
2114334992821,4cyclictest0-21swapper/312:30:253
2114334992820,5cyclictest0-21swapper/308:35:013
2114334992820,5cyclictest0-21swapper/308:35:003
2114334992820,4cyclictest0-21swapper/312:35:263
2114334992816,8cyclictest1-21systemd10:05:533
2114332992821,5cyclictest2190413-21kworker/u8:2+events_unbound11:01:072
2114332992819,5cyclictest0-21swapper/209:35:002
211432799285,20cyclictest2215894-21grep12:00:261
2114327992819,7cyclictest231ktimers/110:05:141
2114327992819,5cyclictest2150406-21tail08:50:261
2114323992823,2cyclictest13550irq/42-30be0000.ethernet08:35:000
2114323992823,2cyclictest13550irq/42-30be0000.ethernet08:35:000
2114323992822,3cyclictest0-21swapper/011:00:240
2114323992820,4cyclictest0-21swapper/009:40:000
2114323992819,5cyclictest2183005-21grep10:25:260
2114323992818,7cyclictest2148692-21grep08:45:250
211433499272,3cyclictest131rcu_preempt12:05:113
2114334992721,3cyclictest0-21swapper/307:30:173
2114334992721,3cyclictest0-21swapper/307:25:173
2114334992719,5cyclictest0-21swapper/308:15:253
2114334992719,4cyclictest0-21swapper/307:55:013
2114332992720,3cyclictest0-21swapper/210:05:282
2114332992719,5cyclictest0-21swapper/209:10:252
2114332992719,5cyclictest0-21swapper/208:50:262
2114332992718,5cyclictest0-21swapper/208:45:252
2114332992718,5cyclictest0-21swapper/208:05:272
2114332992717,6cyclictest0-21swapper/208:00:282
2114327992720,4cyclictest0-21swapper/107:30:171
2114327992719,4cyclictest0-21swapper/111:35:251
2114327992717,6cyclictest0-21swapper/112:30:181
2114323992720,4cyclictest2161529-21grep09:25:160
211433499262,21cyclictest2166651-21fschecks_time09:40:153
2114334992621,3cyclictest2206075-21kthreadd11:35:003
2114334992620,3cyclictest0-21swapper/309:00:163
2114334992619,4cyclictest2152566-21cron09:00:013
2114334992617,4cyclictest0-21swapper/308:25:253
2114334992617,4cyclictest0-21swapper/308:25:253
211433499261,6cyclictest2156844-21grep09:10:223
2114332992620,4cyclictest2202425-21kworker/u8:3+events_unbound11:46:222
2114332992619,4cyclictest0-21swapper/208:20:252
2114332992618,5cyclictest0-21swapper/208:40:162
2114327992620,3cyclictest0-21swapper/108:55:241
2114327992618,5cyclictest0-21swapper/110:00:261
2114327992617,6cyclictest2120997-21ls07:25:251
2114327992616,7cyclictest2168326-21fschecks_count09:45:161
2114327992613,10cyclictest438-21cron11:30:001
2114327992613,10cyclictest2139161-21fschecks_time08:20:161
2114323992620,3cyclictest0-21swapper/012:30:250
2114323992619,4cyclictest2127577-21ntpq07:45:210
2114323992616,7cyclictest2145324-21grep08:35:270
2114323992614,7cyclictest2159384-21cron09:20:000
211432399261,3cyclictest2149392-21apt-get08:50:140
2114334992519,4cyclictest2169864-21/usr/sbin/munin09:50:143
2114334992519,4cyclictest2169864-21/usr/sbin/munin09:50:133
2114334992518,4cyclictest0-21swapper/311:00:243
2114334992517,6cyclictest2131762-21kworker/u8:2+events_unbound08:07:243
2114334992517,4cyclictest0-21swapper/312:15:263
2114334992517,4cyclictest0-21swapper/312:15:263
2114334992516,5cyclictest2198798-21unixbench_multi11:10:253
2114334992515,6cyclictest0-21swapper/312:25:233
2114332992517,5cyclictest0-21swapper/211:30:202
2114332992516,5cyclictest0-21swapper/207:30:272
2114332992515,6cyclictest0-21swapper/211:55:242
2114332992514,7cyclictest0-21swapper/207:25:012
2114327992518,4cyclictest2134394-21ntpq08:05:221
2114327992518,4cyclictest0-21swapper/108:35:271
2114327992516,6cyclictest0-21swapper/112:25:241
2114327992516,6cyclictest0-21swapper/110:45:141
211432799251,19cyclictest2227915-21seq12:36:141
211432399252,8cyclictest204-21dbus-daemon09:10:460
211432399252,6cyclictest131rcu_preempt09:05:130
211432399252,4cyclictest2220057-21df12:15:140
211432399252,4cyclictest2220057-21df12:15:140
211432399252,19cyclictest0-21swapper/010:46:220
2114323992520,3cyclictest0-21swapper/010:55:220
211432399251,7cyclictest2179856-21latency_hist10:20:010
2114323992517,5cyclictest121ktimers/007:30:230
2114323992516,6cyclictest0-21swapper/010:00:260
211432399251,5cyclictest2145993-21apt-get08:40:120
211432399251,20cyclictest0-21swapper/009:21:310
211432399251,20cyclictest0-21swapper/007:27:050
2114323992510,12cyclictest121ktimers/011:30:260
2114334992416,4cyclictest0-21swapper/310:45:143
2114334992416,4cyclictest0-21swapper/307:45:263
2114334992415,5cyclictest2210786-21grep11:45:263
2114334992412,8cyclictest2166227-21ls09:40:003
211432799243,17cyclictest2188562-21grep10:40:251
211432799243,17cyclictest2188562-21grep10:40:251
2114327992418,3cyclictest0-21swapper/109:50:261
2114327992418,3cyclictest0-21swapper/109:50:261
2114327992418,3cyclictest0-21swapper/107:55:231
2114327992415,6cyclictest2125114-21grep07:40:011
211432799241,4cyclictest131rcu_preempt11:55:111
2114327992414,7cyclictest2165170-21cat09:35:181
211432399242,3cyclictest2132247-21df08:00:150
2114323992417,5cyclictest2135242-21kworker/u8:1+events_unbound08:20:320
211432399241,3cyclictest2177246-21ntp_states10:10:220
211432399241,20cyclictest2152065-21cat08:55:260
211432399241,19cyclictest0-21swapper/009:50:340
211432399241,19cyclictest0-21swapper/009:50:330
211432399241,19cyclictest0-21swapper/009:02:060
211432399241,19cyclictest0-21swapper/007:13:590
2114334992317,3cyclictest0-21swapper/308:25:003
2114334992316,4cyclictest0-21swapper/310:50:243
2114334992315,4cyclictest0-21swapper/311:40:163
2114334992314,6cyclictest0-21swapper/307:55:263
2114334992313,6cyclictest2132280-21uniq08:00:163
2114332992317,3cyclictest0-21swapper/209:40:222
2114332992316,4cyclictest2215412-21kworker/u8:2+events_unbound12:26:322
2114332992315,5cyclictest0-21swapper/210:50:242
2114327992315,6cyclictest2192207-21kworker/u8:1+events_unbound11:15:121
2114327992313,7cyclictest1-21systemd11:41:191
2114327992313,6cyclictest0-21swapper/109:25:161
2114327992311,10cyclictest645-21runrttasks09:20:171
211432399232,10cyclictest2224371-21unixbench_multi12:25:240
2114323992316,5cyclictest2190413-21kworker/u8:2+events_unbound11:21:570
2114323992316,3cyclictest0-21swapper/012:03:430
211432399231,18cyclictest0-21swapper/011:15:430
211432399231,18cyclictest0-21swapper/010:05:030
211433499224,15cyclictest2215869-21grep12:00:263
211433499222,13cyclictest2219706-21cron12:15:003
2114334992216,3cyclictest0-21swapper/311:55:213
2114334992216,3cyclictest0-21swapper/311:25:013
2114334992216,3cyclictest0-21swapper/310:55:213
2114334992215,5cyclictest2162655-21kworker/u8:1+events_unbound09:30:493
2114334992210,9cyclictest2161907-21ntp_states09:25:223
2114332992216,3cyclictest0-21swapper/207:50:202
211433299221,12cyclictest2126779-21cron07:45:012
2114327992213,4cyclictest0-21swapper/111:20:161
2114323992215,3cyclictest0-21swapper/011:13:000
211433499212,14cyclictest2179011-21grep10:15:233
2114334992115,3cyclictest0-21swapper/308:40:263
2114334992115,3cyclictest0-21swapper/307:20:213
2114332992115,3cyclictest0-21swapper/211:41:192
2114332992115,3cyclictest0-21swapper/209:20:152
2114332992115,3cyclictest0-21swapper/209:10:022
2114327992115,3cyclictest0-21swapper/111:05:121
2114323992116,3cyclictest0-21swapper/011:41:380
211433499203,4cyclictest131rcu_preempt10:20:123
211433499203,11cyclictest204-21dbus-daemon08:45:383
211433499202,14cyclictest2161103-21cron09:25:003
2114327992013,5cyclictest231ktimers/109:40:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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