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2026-06-30 - 15:06

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 792 highest latencies:
System rackbslot5s.osadl.org (updated Tue Jun 30, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1469693995620,6cyclictest0-21swapper/008:10:140
146969399550,47cyclictest0-21swapper/011:30:140
1469693995122,5cyclictest0-21swapper/008:05:270
1469693995118,6cyclictest0-21swapper/009:35:270
1469693995020,8cyclictest1578974-21cron12:25:000
1469693995020,8cyclictest1578974-21cron12:25:000
1469701994841,4cyclictest1556593-21tr11:19:592
1469705994738,5cyclictest1504990-21munin-plugin-st08:50:013
1469705994533,9cyclictest391ktimers/309:35:143
1469693994539,3cyclictest1499661-21munin-plugin-st08:35:000
1469701994336,4cyclictest1523768-21idleruntime-cro09:45:012
1469693994336,4cyclictest1551460-21sshd11:05:000
1469701994216,9cyclictest1567506-21/usr/sbin/munin11:50:192
1469705994131,6cyclictest391ktimers/307:55:133
1469701994110,12cyclictest1548150-21latency_hist10:55:012
1469701994028,7cyclictest1551705-21apt-get11:05:122
1469701994028,7cyclictest1551705-21apt-get11:05:122
1469696994031,6cyclictest231ktimers/110:55:141
1469696994031,5cyclictest0-21swapper/110:05:001
1469696994029,8cyclictest1533732-21grep10:10:271
1469705993931,4cyclictest0-21swapper/308:25:013
1469705993931,4cyclictest0-21swapper/308:25:013
1469701993932,4cyclictest1535920-21sendmail10:20:012
1469701993929,6cyclictest1526918-21unixbench_multi09:50:272
1469696993932,4cyclictest1535927-21idleruntime-cro10:20:001
1469696993930,6cyclictest1529089-21sendmail10:00:011
1469696993929,6cyclictest1525541-21grep09:50:011
1469693993927,8cyclictest1549756-21cron11:00:000
1469705993813,9cyclictest1538061-21/usr/sbin/munin10:25:203
1469701993831,4cyclictest1518871-21apt-get09:30:112
1469696993829,5cyclictest0-21swapper/108:40:151
1469696993828,7cyclictest1490465-21unixbench_multi08:05:271
1469693993830,4cyclictest0-21swapper/010:35:000
1469701993726,7cyclictest1543184-21apt-get10:40:132
1469701993726,7cyclictest1524597-21/usr/sbin/munin09:45:232
1469701993723,11cyclictest1493435-21/usr/sbin/munin08:15:192
1469696993728,6cyclictest1542940-21idleruntime-cro10:40:011
1469696993726,7cyclictest0-21swapper/111:30:261
1469705993627,6cyclictest0-21swapper/307:40:003
1469705993626,7cyclictest1485312-21grep07:50:273
1469701993629,4cyclictest1553407-21apt-get11:10:142
1469701993629,4cyclictest1553407-21apt-get11:10:132
1469701993629,4cyclictest1482627-21apt-get07:45:132
1469701993627,4cyclictest0-21swapper/211:00:162
1469701993625,7cyclictest1570818-21/usr/sbin/munin12:00:182
1469701993625,7cyclictest0-21swapper/211:20:242
1469701993623,8cyclictest1487846-21/usr/sbin/munin08:00:142
1469701993623,10cyclictest1500227-21/usr/sbin/munin08:35:182
1469701993622,10cyclictest1479317-21/usr/sbin/munin07:35:182
1469701993619,14cyclictest1469686-21cyclictest07:40:132
1469701993619,12cyclictest1568879-21/usr/sbin/munin11:55:152
1469696993629,4cyclictest1577284-21sendmail12:20:011
1469696993627,4cyclictest0-21swapper/108:20:141
1469696993627,4cyclictest0-21swapper/108:20:141
1469696993626,5cyclictest1562928-21seq11:35:241
1469705993523,8cyclictest1499167-21grep08:30:243
1469705993522,9cyclictest0-21swapper/310:40:003
1469701993529,4cyclictest1484329-21apt-get07:50:132
1469701993529,3cyclictest1491356-21apt-get08:10:102
1469701993527,4cyclictest1575787-21apt-get12:15:092
1469701993525,7cyclictest1537120-21/usr/sbin/munin10:20:252
1469701993524,8cyclictest1518532-21sshd09:28:552
1469701993524,7cyclictest1504212-21/usr/sbin/munin08:45:242
1469701993521,11cyclictest1575230-21sshd12:11:102
1469701993518,12cyclictest1581965-21grep12:30:272
1469701993513,14cyclictest0-21swapper/207:55:112
1469696993527,6cyclictest231ktimers/109:10:131
1469705993423,7cyclictest1523756-21sh09:45:013
146970199348,14cyclictest0-21swapper/209:35:432
1469701993429,3cyclictest1513750-21apt-get09:15:122
1469701993428,3cyclictest1531029-21apt-get10:05:102
1469701993428,3cyclictest1475590-21apt-get07:25:122
1469701993427,4cyclictest1561933-21apt-get11:35:132
1469701993427,3cyclictest1565358-21apt-get11:45:132
1469701993424,7cyclictest1533569-21/usr/sbin/munin10:10:262
1469701993424,7cyclictest1528239-21/usr/sbin/munin09:55:242
1469701993424,7cyclictest1516406-21/usr/sbin/munin09:20:252
1469701993424,7cyclictest1516406-21/usr/sbin/munin09:20:252
1469701993424,7cyclictest1508973-21/usr/sbin/munin09:00:172
1469701993423,8cyclictest1539763-21apt-get10:30:122
1469701993422,9cyclictest1578078-21/usr/sbin/munin12:20:202
1469701993422,9cyclictest1578078-21/usr/sbin/munin12:20:202
1469701993422,9cyclictest1495693-21/usr/sbin/munin08:20:252
1469701993422,9cyclictest1495693-21/usr/sbin/munin08:20:252
1469701993422,7cyclictest1538326-21/usr/sbin/munin10:25:182
1469701993421,10cyclictest1507367-21/usr/sbin/munin08:55:222
1469701993420,11cyclictest1548622-21irqstats10:55:172
1469701993419,12cyclictest1472426-21/usr/sbin/munin07:15:172
1469701993419,11cyclictest1513314-21taskset09:12:462
1469701993418,11cyclictest1510457-21/usr/sbin/munin09:05:162
1469701993418,10cyclictest1579439-21fschecks_time12:25:172
1469696993425,5cyclictest0-21swapper/112:29:591
1469696993425,5cyclictest0-21swapper/111:30:001
1469693993427,4cyclictest1584112-21sendmail12:40:000
1469693993427,4cyclictest1478310-21unixbench_multi07:30:250
1469693993425,6cyclictest1513089-21unixbench_singl09:10:270
1469693993424,6cyclictest0-21swapper/010:30:010
1469693993423,6cyclictest0-21swapper/012:29:590
1469705993322,8cyclictest1473453-21cron07:18:003
1469705993320,10cyclictest1558114-21cron11:22:593
1469705993320,10cyclictest1555478-21/usr/sbin/munin11:15:173
1469701993328,3cyclictest1541462-21apt-get10:35:122
1469701993326,4cyclictest1489451-21apt-get08:05:132
1469701993325,5cyclictest311ktimers/211:25:122
1469701993323,7cyclictest1583643-21/usr/sbin/munin12:35:262
1469701993323,7cyclictest1573761-21cron12:09:012
1469701993323,7cyclictest1563995-21/usr/sbin/munin11:40:192
1469701993322,8cyclictest1474006-21/usr/sbin/munin07:20:152
1469701993317,13cyclictest1501602-21/usr/sbin/munin08:40:112
1469696993325,4cyclictest0-21swapper/109:30:251
1469693993325,5cyclictest1515225-21cut09:20:010
146969399331,29cyclictest0-21swapper/008:40:130
1469705993222,7cyclictest1571537-21unixbench_singl12:00:253
1469705993222,7cyclictest1514433-21/usr/sbin/munin09:15:253
1469705993221,8cyclictest1543393-21/usr/sbin/munin10:40:173
1469705993220,9cyclictest1473885-21munin-node07:20:123
1469705993218,9cyclictest0-21swapper/311:35:113
1469705993218,11cyclictest1577082-21cron12:17:593
1469705993213,14cyclictest1505402-21cut08:50:173
1469701993226,3cyclictest1496485-21apt-get08:25:132
1469701993222,7cyclictest1560570-21/usr/sbin/munin11:30:192
1469701993222,7cyclictest1505590-21/usr/sbin/munin08:50:192
1469701993222,7cyclictest1470304-21/usr/sbin/munin07:10:182
1469701993218,10cyclictest1471641-21munin-node07:30:122
1469696993224,4cyclictest0-21swapper/111:05:011
1469696993221,8cyclictest1484108-21kthreadd07:50:011
1469696993220,7cyclictest0-21swapper/111:20:011
1469693993225,4cyclictest0-21swapper/009:00:240
1469693993225,4cyclictest0-21swapper/007:30:000
1469693993217,12cyclictest0-21swapper/009:45:010
1469705993123,5cyclictest1513061-21unixbench_multi09:10:263
1469705993123,4cyclictest0-21swapper/309:50:263
1469705993121,7cyclictest1574204-21/usr/sbin/munin12:10:133
1469705993121,7cyclictest1535203-21/usr/sbin/munin10:15:253
1469705993121,7cyclictest1510342-21/usr/sbin/munin09:05:133
1469705993121,7cyclictest1497864-21sshd08:29:013
1469705993121,6cyclictest0-21swapper/312:35:263
1469705993119,9cyclictest53-21kcompactd011:52:523
1469701993121,7cyclictest1544997-21df_inode10:45:162
1469701993121,6cyclictest0-21swapper/208:30:252
1469701993117,11cyclictest1529867-21/usr/sbin/munin10:00:192
1469696993119,8cyclictest0-21swapper/111:50:251
1469693993125,3cyclictest1544653-21kthreadd10:45:010
1469693993124,3cyclictest0-21swapper/008:00:150
1469693993122,5cyclictest0-21swapper/007:50:270
1469693993121,6cyclictest0-21swapper/007:50:000
1469693993120,6cyclictest0-21swapper/012:20:000
146970599309,14cyclictest0-21swapper/311:05:503
146970599309,14cyclictest0-21swapper/311:05:503
1469705993025,3cyclictest1580920-21apt-get12:30:133
1469705993020,7cyclictest1539759-21munin-node10:30:113
1469705993020,7cyclictest1532938-21/usr/sbin/munin10:10:183
1469705993020,7cyclictest1530453-21sshd10:01:013
1469705993020,7cyclictest1481268-21/usr/sbin/munin07:40:193
1469705993019,8cyclictest1565354-21munin-node11:45:113
1469705993019,8cyclictest1527605-21munin-node09:55:133
1469705993019,8cyclictest1482968-21/usr/sbin/munin07:45:183
1469705993018,9cyclictest1580286-21/usr/sbin/munin12:25:253
1469705993018,9cyclictest1548827-21ntp_kernel_pll_10:55:203
1469705993018,9cyclictest1517225-21/usr/sbin/munin09:25:133
1469705993017,10cyclictest1516230-21/usr/sbin/munin09:20:233
1469705993017,10cyclictest1516230-21/usr/sbin/munin09:20:233
1469705993015,9cyclictest0-21swapper/308:40:253
1469705993012,14cyclictest1508384-21auditctl09:00:003
1469696993020,6cyclictest1539062-21grep10:25:271
1469696993020,6cyclictest0-21swapper/108:00:011
1469696993017,10cyclictest231ktimers/109:15:121
1469693993023,3cyclictest0-21swapper/008:20:260
1469693993023,3cyclictest0-21swapper/008:20:250
1469693993020,6cyclictest0-21swapper/012:00:250
1469693993019,6cyclictest0-21swapper/009:00:000
1469705992920,6cyclictest1544939-21/usr/sbin/munin10:45:153
1469705992920,6cyclictest1470258-21/usr/sbin/munin07:10:183
1469705992919,7cyclictest1560796-21/usr/sbin/munin11:30:223
1469705992919,7cyclictest1559162-21/usr/sbin/munin11:25:243
1469705992919,7cyclictest1489505-21/usr/sbin/munin08:05:143
1469705992918,8cyclictest1578197-21/usr/sbin/munin12:20:243
1469705992918,8cyclictest1578197-21/usr/sbin/munin12:20:233
1469705992918,8cyclictest1536883-21/usr/sbin/munin10:20:203
1469705992917,9cyclictest1518960-21/usr/sbin/munin09:30:133
1469705992917,9cyclictest1508721-21/usr/sbin/munin09:00:133
1469705992917,9cyclictest1477577-21/usr/sbin/munin07:30:173
1469696992922,5cyclictest231ktimers/110:45:131
1469696992919,6cyclictest0-21swapper/112:40:011
1469696992919,6cyclictest0-21swapper/112:20:151
1469696992919,6cyclictest0-21swapper/112:20:151
1469693992924,3cyclictest1542932-21latency_hist10:40:010
1469693992922,3cyclictest0-21swapper/010:54:100
1469693992921,5cyclictest0-21swapper/011:10:010
1469693992921,5cyclictest0-21swapper/011:10:000
1469693992921,4cyclictest13550irq/42-30be0000.ethernet07:40:000
146970599287,12cyclictest0-21swapper/312:08:303
1469705992819,6cyclictest0-21swapper/311:40:163
1469705992818,7cyclictest1547205-21/usr/sbin/munin10:50:213
1469705992817,8cyclictest1554128-21/usr/sbin/munin11:10:243
1469705992817,8cyclictest1554128-21/usr/sbin/munin11:10:243
1469705992816,9cyclictest1550268-21/usr/sbin/munin11:00:173
1469705992816,8cyclictest1568858-21/usr/sbin/munin11:55:153
1469705992815,10cyclictest1524976-21/usr/sbin/munin09:45:253
1469696992821,4cyclictest1473635-21kthreadd07:20:011
1469696992820,4cyclictest0-21swapper/108:00:201
1469696992819,5cyclictest1480460-21latency_hist07:40:001
1469696992818,6cyclictest1526923-21grep09:50:261
1469696992817,7cyclictest1481964-21grep07:40:271
1469693992818,6cyclictest0-21swapper/010:20:260
1469693992818,6cyclictest0-21swapper/010:15:000
1469693992817,6cyclictest1559528-21grep11:25:270
1469693992815,9cyclictest121ktimers/008:15:140
1469705992718,6cyclictest1475587-21/usr/sbin/munin07:25:153
1469705992717,7cyclictest1500000-21df_inode08:35:153
1469705992717,6cyclictest1487731-21sshd08:00:023
1469705992711,13cyclictest1493470-21wc08:15:193
1469696992720,5cyclictest1574537-21kworker/u8:0+events_unbound12:14:371
1469696992720,4cyclictest1547588-21tail10:50:241
1469696992719,4cyclictest0-21swapper/108:25:151
1469696992718,5cyclictest0-21swapper/111:40:171
1469696992717,6cyclictest1478768-21munin-plugin-st07:35:001
1469696992716,7cyclictest1470842-21grep07:10:261
1469693992720,4cyclictest13550irq/42-30be0000.ethernet09:50:010
1469693992719,4cyclictest13850irq/36-mmc110:20:000
1469693992718,6cyclictest1529272-21latency_hist10:00:010
146969399271,7cyclictest1471565-21munin-node07:15:010
1469693992716,6cyclictest0-21swapper/008:35:250
1469705992617,7cyclictest1491692-21/usr/sbin/munin08:10:153
1469705992617,6cyclictest1531148-21diskstats10:05:153
1469696992619,5cyclictest1506325-21kworker/u8:1+events_unbound09:44:001
1469696992618,4cyclictest0-21swapper/111:55:261
1469696992618,4cyclictest0-21swapper/107:50:211
1469696992615,7cyclictest1517330-21fschecks_count09:25:161
1469696992615,7cyclictest1-21systemd11:09:131
1469696992615,7cyclictest1-21systemd11:09:131
1469693992621,3cyclictest1496906-21latency08:25:180
1469693992619,3cyclictest0-21swapper/007:25:020
1469696992518,4cyclictest0-21swapper/108:10:251
1469696992516,5cyclictest1581057-21fschecks_count12:30:161
1469696992515,5cyclictest0-21swapper/107:28:441
146969399251,5cyclictest1505325-21df08:50:140
1469696992418,3cyclictest0-21swapper/112:05:001
1469696992416,4cyclictest0-21swapper/109:05:171
1469696992416,4cyclictest0-21swapper/107:25:001
1469696992415,5cyclictest0-21swapper/109:35:161
1469696992413,7cyclictest1506025-21grep08:50:251
1469693992417,3cyclictest0-21swapper/007:41:420
1469693992416,6cyclictest0-21swapper/008:45:070
1469693992416,4cyclictest1487078-21head07:55:250
1469693992414,6cyclictest204-21dbus-daemon11:49:230
1469693992413,6cyclictest1510535-21cut09:05:180
1469693992413,6cyclictest0-21swapper/011:15:240
146969399241,19cyclictest0-21swapper/012:08:400
146969699232,10cyclictest0-21swapper/108:18:461
1469696992317,3cyclictest0-21swapper/108:45:161
1469696992316,4cyclictest1516480-21tail09:20:251
1469696992316,4cyclictest1516480-21tail09:20:251
1469696992313,6cyclictest0-21swapper/109:00:211
1469693992318,2cyclictest0-21swapper/012:30:260
1469693992317,4cyclictest1567731-21rt-features11:50:240
1469693992316,3cyclictest0-21swapper/011:35:150
146969399231,18cyclictest0-21swapper/011:44:450
146969399230,19cyclictest0-21swapper/010:48:070
146969699222,13cyclictest1-21systemd10:09:041
1469696992215,4cyclictest0-21swapper/110:20:221
1469696992214,5cyclictest231ktimers/111:45:131
1469696992212,7cyclictest0-21swapper/110:40:131
1469696992211,7cyclictest1539874-21/usr/sbin/munin10:30:151
146969399221,9cyclictest1531028-21apt10:05:110
1469693992217,3cyclictest0-21swapper/010:00:490
1469693992216,3cyclictest0-21swapper/009:25:150
1469693992213,7cyclictest1574650-21ntpq12:10:200
1469693992212,7cyclictest1554319-21timerwakeupswit11:10:250
1469693992212,7cyclictest1554319-21timerwakeupswit11:10:250
146969399220,20cyclictest0-21swapper/011:21:090
146969699212,14cyclictest1499242-21unixbench_singl08:30:251
1469696992115,3cyclictest0-21swapper/108:35:251
1469696992114,4cyclictest0-21swapper/108:55:271
146969399211,3cyclictest0-21swapper/011:57:070
1469693992110,8cyclictest1518959-21awk09:30:120
1469696992010,7cyclictest1572269-21find12:05:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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