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2022-08-13 - 01:39

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 
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  Phytec

ARM Freescale i.MX8M Plus @1600 MHz, Linux 5.17.0-rt15 (Profile)

Latency plot of shadow in rack #b, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q done
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 (updated Fri Aug 12, 2022 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2102049995644,8cyclictest2187494-21grep11:15:283
2102041995043,4cyclictest2148721-21munin-plugin-st09:25:001
2102038994941,5cyclictest2187963-21sh11:20:010
2102041994839,5cyclictest2190906-21grep11:25:261
210204199480,38cyclictest0-21swapper/108:05:141
2102049994740,5cyclictest2109357-21kworker/u8:1+events_unbound09:00:143
2102041994720,23cyclictest288-21systemd-logind11:40:471
2102041994720,23cyclictest288-21systemd-logind11:40:471
2102049994638,5cyclictest2205001-21grep12:10:013
2102044994636,7cyclictest2168690-21grep10:20:312
2102041994533,8cyclictest2138008-21grep08:50:261
210204199452,37cyclictest2119919-21apt-get08:00:141
2102041994517,24cyclictest0-21swapper/109:00:001
210204199451,39cyclictest2142367-21/usr/sbin/munin09:05:181
2102044994437,5cyclictest2132952-21kworker/u8:0+events_unbound08:55:132
2102044994436,4cyclictest2132029-21seq08:35:172
2102041994426,15cyclictest0-21swapper/111:45:331
210204199441,40cyclictest2185729-21/usr/sbin/munin11:10:321
210204199441,38cyclictest2167690-21/usr/sbin/munin10:20:151
210204199441,37cyclictest2140426-21apt-get09:00:131
210204199441,35cyclictest2164274-21apt-get10:10:151
2102049994335,4cyclictest2162346-21ls10:05:003
2102041994326,13cyclictest0-21swapper/108:15:261
210204199431,39cyclictest2144286-21/usr/sbin/munin09:10:221
210204199431,37cyclictest2200329-21/usr/sbin/munin11:55:251
210204199431,37cyclictest2166417-21memory10:15:201
210204199431,37cyclictest2135319-21apt-get08:45:121
2102044994236,3cyclictest2161883-21unixbench_multi10:00:312
2102041994227,11cyclictest231ktimers/107:10:141
210204199421,38cyclictest2150710-21/usr/sbin/munin09:30:211
210204199421,38cyclictest2149585-21/usr/sbin/munin09:25:261
210204199421,36cyclictest2176392-21diskstats10:45:161
210204199421,36cyclictest2107917-21/usr/sbin/munin07:25:121
210204199421,36cyclictest2106233-21/usr/sbin/munin07:20:181
210204199421,35cyclictest2198687-21/usr/sbin/munin11:50:181
210204199420,34cyclictest0-21swapper/111:05:141
2102038994231,7cyclictest2136365-21grep08:45:260
2102044994130,6cyclictest0-21swapper/211:45:342
2102041994134,4cyclictest2193078-21idleruntime-cro11:35:011
210204199411,37cyclictest2211043-21/usr/sbin/munin12:25:281
210204199411,37cyclictest2174578-21/usr/sbin/munin10:40:131
210204199411,37cyclictest2171996-21/usr/sbin/munin10:30:291
210204199411,37cyclictest2153024-21/usr/sbin/munin09:35:271
210204199411,35cyclictest2205227-21/usr/sbin/munin12:10:141
210204199411,34cyclictest2177972-21apt-get10:50:141
210204199411,34cyclictest2118328-21/usr/sbin/munin07:55:151
210204199410,36cyclictest2213738-21apt-get12:35:131
2102038994134,4cyclictest2148820-21runrttasks09:25:010
2102038994132,5cyclictest2128201-21ls08:25:000
2102038994128,9cyclictest2209686-21grep12:20:260
2102049994030,7cyclictest2213513-21munin-plugin-st12:35:013
2102041994033,4cyclictest2124777-21auditctl08:15:011
210204199401,36cyclictest2203840-21/usr/sbin/munin12:05:261
210204199401,36cyclictest2193589-21/usr/sbin/munin11:35:201
210204199401,36cyclictest2161327-21/usr/sbin/munin10:00:251
210204199401,36cyclictest2134462-21/usr/sbin/munin08:40:261
210204199401,34cyclictest2186490-21/usr/sbin/munin11:15:151
210204199401,34cyclictest2169500-21/usr/sbin/munin10:25:171
210204199401,34cyclictest2126833-21/usr/sbin/munin08:20:151
210204199401,33cyclictest2154062-21apt-get09:40:151
2102044993929,6cyclictest0-21swapper/207:45:252
210204199393,32cyclictest2160367-21cron09:57:001
210204199392,31cyclictest2130130-21apt-get08:30:131
210204199391,35cyclictest2207004-21/usr/sbin/munin12:15:131
210204199391,35cyclictest2188547-21/usr/sbin/munin11:20:201
210204199391,35cyclictest2173308-21/usr/sbin/munin10:35:221
210204199391,35cyclictest2145666-21df_inode09:15:301
210204199391,35cyclictest2110743-21cron07:31:001
210204199391,33cyclictest2208853-21/usr/sbin/munin12:20:171
210204199391,33cyclictest2202281-21/usr/sbin/munin12:00:231
210204199391,33cyclictest2181530-21/usr/sbin/munin11:00:241
210204199391,33cyclictest2162576-21apt-get10:05:181
210204199391,33cyclictest2155814-21/usr/sbin/munin09:45:151
210204199391,33cyclictest2155814-21/usr/sbin/munin09:45:151
2102049993831,4cyclictest2107688-21sh07:25:023
2102049993830,5cyclictest2172127-21unixbench_singl10:30:293
2102049993829,6cyclictest2103768-21munin-plugin-st07:15:013
2102044993827,7cyclictest2149968-21grep09:25:302
210204199381,34cyclictest2212665-21/usr/sbin/munin12:30:271
210204199381,34cyclictest2114924-21/usr/sbin/munin07:45:151
210204199381,34cyclictest2113341-21/usr/sbin/munin07:40:171
210204199381,34cyclictest2111393-21/usr/sbin/munin07:35:141
210204199381,33cyclictest2128773-21/usr/sbin/munin08:25:181
2102038993825,9cyclictest121ktimers/011:00:200
2102049993731,4cyclictest2192876-21kworker/u8:1+events_unbound11:50:493
2102049993730,3cyclictest0-21swapper/311:15:003
2102049993729,6cyclictest2160416-21kworker/u8:0+events_unbound10:40:363
2102049993727,7cyclictest2181154-21sendmail11:00:003
2102044993730,4cyclictest2215202-21apt-get12:40:012
2102044993729,4cyclictest0-21swapper/208:50:162
2102044993729,3cyclictest0-21swapper/209:35:182
2102044993722,11cyclictest311ktimers/209:00:142
210204199372,32cyclictest2180506-21/usr/sbin/munin10:55:231
210204199371,33cyclictest2157989-21/usr/sbin/munin09:50:281
210204199371,33cyclictest2132272-21/usr/sbin/munin08:35:211
210204199371,33cyclictest2116843-21irqstats07:50:181
210204199371,33cyclictest2104948-21/usr/sbin/munin07:15:201
2102038993728,6cyclictest2119655-21cron08:00:010
2102038993725,7cyclictest0-21swapper/009:15:000
2102049993629,4cyclictest2131599-21munin-plugin-st08:35:003
2102049993625,7cyclictest2129433-21grep08:25:253
2102044993627,6cyclictest2180714-21unixbench_singl10:55:252
2102038993628,4cyclictest0-21swapper/010:20:000
2102038993626,6cyclictest0-21swapper/008:00:270
2102038993625,8cyclictest2196485-21idleruntime-cro11:45:000
2102038993625,8cyclictest2196485-21idleruntime-cro11:44:590
2102038993623,9cyclictest2111221-21latency_hist07:35:010
2102049993529,4cyclictest2100202-21kworker/u8:3+events_unbound09:10:143
2102049993527,4cyclictest0-21swapper/312:00:003
2102044993524,7cyclictest0-21swapper/210:40:252
2102044993523,7cyclictest0-21swapper/211:20:272
210204499352,15cyclictest32-21ksoftirqd/208:05:132
2102049993421,8cyclictest2214795-21grep12:35:283
2102044993423,7cyclictest2135074-21cron08:45:002
2102044993423,6cyclictest0-21swapper/209:20:342
2102044993423,6cyclictest0-21swapper/208:15:262
2102038993426,4cyclictest0-21swapper/011:54:590
2102038993424,6cyclictest0-21swapper/009:35:280
2102049993324,4cyclictest0-21swapper/311:35:283
2102049993319,4cyclictest2109357-21kworker/u8:1+events_unbound08:06:273
2102044993325,4cyclictest2170353-21timerwakeupswit10:25:302
2102044993323,6cyclictest0-21swapper/211:55:332
2102044993322,6cyclictest2172124-21grep10:30:292
2102038993325,4cyclictest2103908-21latency_hist07:15:010
2102038993324,6cyclictest0-21swapper/008:30:000
2102038993323,6cyclictest0-21swapper/011:25:170
2102038993314,16cyclictest2116719-21fschecks_time07:50:170
210204999326,4cyclictest21342512proc_pri08:40:233
2102049993227,3cyclictest2140179-21cron09:00:003
2102049993226,3cyclictest2167452-21sendmail10:20:013
2102049993224,4cyclictest0-21swapper/312:20:553
2102049993224,4cyclictest0-21swapper/310:10:003
2102049993223,6cyclictest0-21swapper/308:40:003
2102044993226,4cyclictest2177368-21kworker/u8:3+events_unbound12:00:512
2102044993224,4cyclictest0-21swapper/210:50:182
2102044993224,4cyclictest0-21swapper/210:10:192
2102044993223,7cyclictest2112825-21apt-key07:40:012
2102044993223,6cyclictest0-21swapper/209:05:282
2102044993223,4cyclictest0-21swapper/212:25:192
2102038993224,4cyclictest0-21swapper/012:10:280
2102038993220,7cyclictest2108924-21grep07:25:260
2102049993124,4cyclictest2112818-21apt-get07:40:013
2102049993123,5cyclictest2179447-21munin-plugin-st10:55:003
2102049993123,4cyclictest0-21swapper/312:10:293
2102049993120,7cyclictest2198189-21basename11:49:593
2102044993125,4cyclictest2100202-21kworker/u8:3+events_unbound07:41:102
2102044993124,3cyclictest0-21swapper/210:00:012
2102044993123,5cyclictest2189546-21kworker/u8:0+events_unbound11:26:502
2102044993122,7cyclictest2126944-21fschecks_time08:20:172
2102044993121,6cyclictest0-21swapper/211:05:002
2102038993123,4cyclictest0-21swapper/012:05:360
2102049993023,5cyclictest2160416-21kworker/u8:0+events_unbound11:08:223
2102049993023,4cyclictest2116266-21sh07:50:003
2102049993022,5cyclictest2100202-21kworker/u8:3+events_unbound09:50:223
2102049993021,5cyclictest2173888-21grep10:35:273
2102049993020,6cyclictest0-21swapper/310:45:273
2102049993020,6cyclictest0-21swapper/309:45:283
2102049993020,6cyclictest0-21swapper/309:45:273
2102049993018,9cyclictest391ktimers/308:20:143
2102044993024,3cyclictest2136783-21idleruntime-cro08:50:002
2102044993024,3cyclictest0-21swapper/209:10:172
2102044993021,5cyclictest0-21swapper/210:45:262
2102044993019,7cyclictest2163647-21grep10:05:302
210204499301,6cyclictest131rcu_preempt10:15:132
210203899301,13cyclictest2133323-21idleruntime-cro08:40:000
2102049992921,4cyclictest0-21swapper/309:20:353
2102049992919,7cyclictest2160630-21sendmail10:00:003
2102044992921,6cyclictest2186178-21kworker/u8:1+events_unbound11:15:222
2102044992921,6cyclictest2100202-21kworker/u8:3+events_unbound09:30:232
2102044992921,4cyclictest0-21swapper/209:45:212
2102044992921,4cyclictest0-21swapper/209:45:212
2102044992919,6cyclictest0-21swapper/209:50:332
2102044992917,7cyclictest0-21swapper/208:30:272
2102038992924,3cyclictest0-21swapper/010:35:130
2102038992920,6cyclictest0-21swapper/011:45:230
2102049992821,5cyclictest2204708-21kworker/u8:1+events_unbound12:16:043
2102049992821,5cyclictest2141774-21kworker/u8:2+events_unbound09:35:103
2102044992820,4cyclictest0-21swapper/208:00:282
2102038992824,2cyclictest13550irq/42-30be0000.ethernet10:40:200
2102038992819,5cyclictest2133758-21grep08:40:170
210204999279,4cyclictest131rcu_preempt09:20:013
2102049992718,6cyclictest2165732-21sh10:15:013
2102049992717,8cyclictest391ktimers/307:25:123
2102049992717,6cyclictest0-21swapper/312:25:303
2102044992722,3cyclictest2104794-21if_eth007:15:172
2102044992721,3cyclictest0-21swapper/207:50:252
210204499271,5cyclictest0-21swapper/211:05:132
2102038992720,3cyclictest2165740-21kthreadd10:15:010
2102038992719,4cyclictest0-21swapper/008:20:010
2102038992717,6cyclictest2202208-21latency12:00:230
2102049992619,5cyclictest2177368-21kworker/u8:3+events_unbound12:00:223
2102049992619,5cyclictest2141774-21kworker/u8:2+events_unbound11:20:473
2102049992619,5cyclictest2100202-21kworker/u8:3+events_unbound08:51:263
2102049992619,4cyclictest2126485-21sendmail08:20:013
2102049992616,7cyclictest2123845-21sshd08:10:203
2102049992616,7cyclictest0-21swapper/309:45:003
2102044992616,7cyclictest0-21swapper/207:10:252
210204499261,13cyclictest0-21swapper/207:30:262
2102038992619,4cyclictest13850irq/36-mmc107:40:010
2102038992615,8cyclictest2160640-21sendmail10:00:000
210203899261,20cyclictest2124769-21cron08:15:000
2102049992519,4cyclictest2160416-21kworker/u8:0+events_unbound11:00:073
2102049992519,3cyclictest0-21swapper/308:50:013
2102049992518,3cyclictest0-21swapper/310:25:183
2102049992514,6cyclictest0-21swapper/311:40:273
2102049992514,6cyclictest0-21swapper/311:40:273
2102049992511,5cyclictest2169005-21kworker/u8:1+events_unbound10:23:473
210204499255,3cyclictest131rcu_preempt09:15:192
2102044992519,3cyclictest0-21swapper/212:20:242
2102044992517,5cyclictest311ktimers/207:30:022
2102044992517,5cyclictest0-21swapper/212:10:282
2102044992517,5cyclictest0-21swapper/207:55:172
2102044992517,4cyclictest0-21swapper/208:30:012
2102044992516,6cyclictest0-21swapper/212:30:302
2102044992515,7cyclictest2185367-21ntpq11:10:282
2102044992515,4cyclictest2081872-21kworker/u8:0+events_unbound07:23:542
210203899252,4cyclictest2104838-21irqstats07:15:190
2102038992517,4cyclictest0-21swapper/012:20:000
2102038992517,4cyclictest0-21swapper/011:30:340
2102038992516,6cyclictest2100202-21kworker/u8:3+events_unbound10:05:250
2102049992418,4cyclictest2189546-21kworker/u8:0+events_unbound11:28:273
2102049992418,4cyclictest2141774-21kworker/u8:2+events_unbound09:32:293
2102049992418,3cyclictest0-21swapper/307:50:243
2102049992414,7cyclictest0-21swapper/307:40:153
2102049992414,5cyclictest0-21swapper/308:00:273
2102044992415,6cyclictest2204989-21sh12:10:002
2102044992413,7cyclictest2196057-21grep11:40:272
2102044992413,7cyclictest2196057-21grep11:40:272
2102038992418,3cyclictest0-21swapper/010:35:010
2102038992417,3cyclictest0-21swapper/009:45:190
2102038992417,3cyclictest0-21swapper/009:45:190
2102038992416,4cyclictest0-21swapper/011:10:000
2102038992415,5cyclictest2143592-21latency_hist09:10:000
2102038992414,7cyclictest2139628-21grep08:55:250
210203899241,21cyclictest0-21swapper/007:49:250
210203899241,19cyclictest0-21swapper/012:27:570
210203899241,19cyclictest0-21swapper/011:12:170
210203899241,19cyclictest0-21swapper/010:03:100
210204999233,4cyclictest131rcu_preempt11:30:193
2102049992312,8cyclictest2105998-21basename07:20:023
2102044992315,5cyclictest0-21swapper/211:30:342
2102044992313,7cyclictest2173410-21ntpq10:35:222
2102038992316,5cyclictest0-21swapper/010:52:180
2102038992314,5cyclictest1-21systemd09:25:160
210203899231,20cyclictest0-21swapper/010:46:580
210203899231,20cyclictest0-21swapper/009:54:530
210203899231,18cyclictest0-21swapper/012:36:340
210203899231,18cyclictest0-21swapper/009:03:290
210203899231,18cyclictest0-21swapper/007:22:220
210203899230,20cyclictest0-21swapper/009:17:220
210204999226,4cyclictest131rcu_preempt09:25:143
2102049992213,4cyclictest0-21swapper/309:05:133
210204499227,5cyclictest2155074-21unixbench_multi09:40:302
210204499221,5cyclictest2199397-21tail11:50:252
2102044992213,6cyclictest0-21swapper/211:35:212
2102044992213,5cyclictest0-21swapper/208:10:142
2102038992217,2cyclictest0-21swapper/009:40:210
2102038992215,3cyclictest0-21swapper/011:55:210
2102038992215,3cyclictest0-21swapper/010:57:250
2102038992214,5cyclictest121ktimers/011:20:200
210203899221,19cyclictest0-21swapper/008:32:090
2102038992210,8cyclictest2170349-21cat10:25:290
2102049992115,3cyclictest0-21swapper/307:55:233
2102044992113,6cyclictest2204708-21kworker/u8:1+events_unbound12:15:222
2102038992110,8cyclictest2168421-21which10:20:280
210203899210,18cyclictest0-21swapper/008:05:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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