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2026-07-04 - 02:29

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 Fri Jul 03, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1076911996231,27cyclictest1106244-21unixbench_singl08:30:292
1076911995730,24cyclictest311ktimers/207:15:122
1076911995325,4cyclictest0-21swapper/211:50:252
1076906994839,6cyclictest1171406-21grep11:40:261
1076911994635,7cyclictest1095965-21grep08:00:282
1076906994638,5cyclictest1165062-21cron11:25:011
1076911994537,5cyclictest1153360-21fschecks_time10:50:152
107690299451,8cyclictest1115977-21ntp_states09:00:230
1076906994435,6cyclictest1149888-21fschecks_count10:40:191
107690299442,38cyclictest1118666-21latency_hist09:10:020
1076915994334,5cyclictest1151225-21munin-plugin-st10:45:003
1076902994333,6cyclictest1188479-21grep12:30:240
1076906994236,3cyclictest1173598-21idleruntime-cro11:50:011
107690299422,8cyclictest1139605-21df10:10:150
107690299422,8cyclictest1139605-21df10:10:150
107690299421,9cyclictest1174898-21/usr/sbin/munin11:50:260
107690299421,9cyclictest1159030-21/usr/sbin/munin11:05:250
107690299421,9cyclictest1146322-21/usr/sbin/munin10:30:120
107690299421,9cyclictest1077622-21/usr/sbin/munin07:10:230
107690299421,6cyclictest1155165-21if_eth110:55:220
107690299421,5cyclictest1104941-21latency_hist08:30:030
107690299421,3cyclictest1168704-21apt-get11:35:120
107690299421,3cyclictest1088687-21ntp_states07:40:220
107690299421,11cyclictest1090895-21users07:45:280
107690299412,6cyclictest1087769-21cron07:39:000
107690299411,9cyclictest1189492-21/usr/sbin/munin12:35:170
107690299411,9cyclictest1178116-21/usr/sbin/munin12:00:240
107690299411,9cyclictest1136729-21/usr/sbin/munin10:00:230
107690299411,9cyclictest1112689-21/usr/sbin/munin08:50:250
1076902994118,20cyclictest13550irq/42-30be0000.ethernet09:20:270
1076915994033,4cyclictest1129037-21sh09:40:003
1076911994028,7cyclictest0-21swapper/209:40:242
1076911994028,6cyclictest0-21swapper/209:20:272
1076906994030,6cyclictest0-21swapper/108:15:011
107690299406,31cyclictest1152882-21sshd10:49:470
107690299403,5cyclictest1111375-21users08:45:320
107690299403,5cyclictest1111375-21users08:45:320
107690299403,34cyclictest0-21swapper/009:15:200
107690299401,8cyclictest1162790-21/usr/sbin/munin11:15:280
107690299401,8cyclictest1143490-21/usr/sbin/munin10:20:220
107690299401,4cyclictest1095508-21/usr/sbin/munin08:00:220
107690299401,13cyclictest1092522-21tail07:50:280
1076915993931,4cyclictest0-21swapper/311:25:163
1076911993927,7cyclictest0-21swapper/207:45:272
1076906993927,4cyclictest1104901-21kworker/u8:1+events_unbound08:34:281
107690299393,5cyclictest1129724-21meminfo09:40:190
107690299391,8cyclictest1160614-21/usr/sbin/munin11:10:190
107690299391,8cyclictest1128333-21/usr/sbin/munin09:35:270
107690299391,8cyclictest1081878-21/usr/sbin/munin07:20:250
107690299391,7cyclictest1105257-21/usr/sbin/munin08:30:140
107690299391,5cyclictest1124272-21diskstats09:25:130
107690299391,4cyclictest1138670-21/usr/sbin/munin10:05:260
107690299391,4cyclictest1079179-21df07:15:050
107690299391,11cyclictest1097317-21ps08:05:230
107690299391,10cyclictest1093562-21/usr/sbin/munin07:55:190
1076911993827,7cyclictest0-21swapper/207:55:002
1076906993831,4cyclictest1094698-21kthreadd08:00:001
1076906993827,7cyclictest0-21swapper/111:50:251
107690299383,32cyclictest1186106-21/usr/sbin/munin12:25:150
107690299382,9cyclictest1144625-21apt-get10:25:130
1076902993829,6cyclictest1182487-21fschecks_count12:15:160
107690299382,5cyclictest1166377-21users11:25:260
107690299382,4cyclictest1179045-21/usr/sbin/munin12:05:140
107690299381,8cyclictest1154214-21/usr/sbin/munin10:50:260
107690299381,7cyclictest1150431-21/usr/sbin/munin10:40:260
107690299381,7cyclictest1132675-21munin-node09:50:120
107690299381,7cyclictest1119667-21/usr/sbin/munin09:10:280
107690299381,5cyclictest1163706-21df11:20:140
107690299381,5cyclictest1134511-21/usr/sbin/munin09:55:140
107690299381,4cyclictest1171028-21/usr/sbin/munin11:40:230
107690299381,4cyclictest1100046-21apt-get08:15:150
107690299381,34cyclictest1176992-21munin-run12:00:010
107690299381,11cyclictest1098916-21ntp_states08:10:220
107690299381,10cyclictest1148141-21df_inode10:35:150
1076915993729,6cyclictest391ktimers/309:05:123
1076915993729,5cyclictest1177000-21sendmail12:00:013
1076915993726,7cyclictest0-21swapper/310:45:253
1076911993729,5cyclictest1094226-21unixbench_multi07:55:282
1076911993727,6cyclictest1149887-21cut10:40:192
1076906993729,4cyclictest0-21swapper/109:54:361
1076906993729,4cyclictest0-21swapper/109:10:011
1076906993726,6cyclictest0-21swapper/109:45:271
107690299373,5cyclictest1126421-21ntp_states09:30:220
107690299371,9cyclictest1101882-21df_inode08:20:140
107690299371,7cyclictest1108932-21/usr/sbin/munin08:40:200
107690299371,6cyclictest1173199-21users11:45:270
107690299371,6cyclictest1156671-21df11:00:140
107690299371,6cyclictest1131032-21/usr/sbin/munin09:45:140
107690299371,4cyclictest1141308-21/usr/sbin/munin10:15:150
107690299371,4cyclictest1141308-21/usr/sbin/munin10:15:150
107690299371,4cyclictest1108079-21cron08:37:000
107690299371,4cyclictest1083115-21diskstats07:25:160
107690299371,10cyclictest1114265-21ntp_states08:55:230
1076911993630,4cyclictest145-21jbd2/mmcblk1p2-812:20:062
1076911993630,4cyclictest145-21jbd2/mmcblk1p2-812:20:052
1076911993627,4cyclictest0-21swapper/210:40:012
1076911993625,4cyclictest11188742cat09:10:012
1076906993626,5cyclictest0-21swapper/109:25:241
1076906993625,7cyclictest0-21swapper/107:20:011
107690299361,8cyclictest1166998-21apt11:30:100
107690299361,5cyclictest1110861-1kworker/0:1H+kblockd12:20:200
107690299361,5cyclictest1110861-1kworker/0:1H+kblockd12:20:200
107690299361,11cyclictest1181393-21mailstats12:10:240
1076915993526,4cyclictest0-21swapper/310:50:263
1076915993524,6cyclictest0-21swapper/307:50:283
1076911993526,6cyclictest0-21swapper/212:35:002
1076911993525,6cyclictest0-21swapper/212:35:232
1076911993525,6cyclictest0-21swapper/209:20:002
1076911993525,5cyclictest0-21swapper/210:49:492
1076906993527,4cyclictest0-21swapper/110:55:211
1076906993527,4cyclictest0-21swapper/108:20:251
1076906993526,4cyclictest0-21swapper/108:00:151
1076906993522,8cyclictest1112978-21grep08:50:261
107690299351,8cyclictest1084697-21dpkg07:30:110
1076915993425,7cyclictest391ktimers/310:25:153
1076915993425,5cyclictest0-21swapper/310:05:263
1076915993423,8cyclictest1142211-21grep10:15:283
1076915993423,8cyclictest1142211-21grep10:15:273
1076911993426,5cyclictest1159936-21latency_hist11:10:012
1076906993426,5cyclictest1089126-21unixbench_multi07:40:261
1076906993426,4cyclictest0-21swapper/108:05:271
1076906993423,6cyclictest0-21swapper/107:20:271
1076915993326,5cyclictest391ktimers/307:10:133
1076915993325,4cyclictest0-21swapper/307:35:273
1076915993324,6cyclictest391ktimers/308:40:143
1076911993325,4cyclictest0-21swapper/210:10:162
1076911993325,4cyclictest0-21swapper/210:10:162
1076911993324,6cyclictest1143986-21unixbench_singl10:20:252
1076906993325,4cyclictest1180410-21kthreadd12:10:001
1076906993325,4cyclictest0-21swapper/110:00:271
1076906993322,7cyclictest1087248-21cat07:35:271
1076915993221,7cyclictest1121798-21grep09:15:273
1076911993225,4cyclictest1177001-21sendmail12:00:012
1076911993224,5cyclictest0-21swapper/212:05:282
1076911993224,4cyclictest0-21swapper/209:45:272
1076906993226,3cyclictest0-21swapper/110:25:141
1076906993225,4cyclictest1187231-21sh12:30:001
1076906993225,3cyclictest0-21swapper/112:20:251
1076906993225,3cyclictest0-21swapper/112:20:251
1076906993223,6cyclictest0-21swapper/110:15:181
1076906993223,6cyclictest0-21swapper/110:15:171
1076906993223,4cyclictest0-21swapper/111:10:001
1076915993123,4cyclictest0-21swapper/310:00:013
1076915993123,4cyclictest0-21swapper/309:40:253
1076915993123,4cyclictest0-21swapper/308:20:003
1076915993122,6cyclictest1120023-21unixbench_multi09:10:303
1076915993121,6cyclictest0-21swapper/307:55:283
1076915993115,5cyclictest1139216-21kworker/u8:0+events_unbound10:56:373
1076911993123,4cyclictest0-21swapper/212:30:002
1076911993123,4cyclictest0-21swapper/211:25:252
1076911993123,4cyclictest0-21swapper/209:50:272
1076911993122,6cyclictest1086159-21cron07:35:012
1076911993122,5cyclictest2-21kthreadd10:05:012
1076906993123,5cyclictest0-21swapper/109:40:011
1076906993123,4cyclictest0-21swapper/109:55:141
1076906993122,6cyclictest0-21swapper/109:40:161
1076906993120,7cyclictest0-21swapper/107:15:021
1076915993022,4cyclictest0-21swapper/312:35:243
1076915993021,4cyclictest0-21swapper/311:45:003
1076911993023,4cyclictest0-21swapper/212:19:592
1076911993022,4cyclictest0-21swapper/209:30:282
1076911993020,6cyclictest0-21swapper/209:55:252
1076911993020,6cyclictest0-21swapper/207:25:282
1076906993022,4cyclictest0-21swapper/109:20:261
1076906993021,6cyclictest0-21swapper/111:30:251
1076906993019,6cyclictest0-21swapper/112:35:241
1076906993018,8cyclictest0-21swapper/107:30:261
1076915992922,5cyclictest1168408-21kworker/u8:1+events_unbound11:39:573
1076915992919,6cyclictest1095956-21grep08:00:283
1076915992919,6cyclictest0-21swapper/310:35:273
1076915992919,6cyclictest0-21swapper/310:24:593
1076911992923,3cyclictest0-21swapper/211:00:002
1076911992921,4cyclictest0-21swapper/210:30:162
1076911992921,4cyclictest0-21swapper/208:35:272
1076911992919,6cyclictest0-21swapper/212:10:252
1076911992919,6cyclictest0-21swapper/208:05:172
1076911992919,5cyclictest0-21swapper/208:10:262
1076906992921,4cyclictest0-21swapper/109:00:251
1076915992819,4cyclictest0-21swapper/307:30:273
1076915992816,8cyclictest0-21swapper/311:30:263
1076915992813,9cyclictest204-21dbus-daemon12:15:033
1076911992821,4cyclictest0-21swapper/207:15:002
1076911992821,3cyclictest0-21swapper/211:20:242
1076911992820,5cyclictest0-21swapper/211:19:592
1076906992820,4cyclictest0-21swapper/110:05:261
1076915992721,3cyclictest0-21swapper/310:10:273
1076915992721,3cyclictest0-21swapper/310:10:273
1076915992716,7cyclictest1172301-21grep11:45:163
1076911992718,6cyclictest1171417-21unixbench_multi11:40:252
1076911992717,5cyclictest0-21swapper/209:00:282
1076911992716,8cyclictest0-21swapper/207:40:162
1076911992716,7cyclictest0-21swapper/211:45:262
1076906992719,5cyclictest0-21swapper/108:55:271
107690699271,21cyclictest204-21dbus-daemon12:30:071
107691599262,19cyclictest1178248-21tail12:00:263
1076915992620,3cyclictest0-21swapper/309:50:263
1076915992620,3cyclictest0-21swapper/307:25:153
1076915992619,5cyclictest1161405-21kworker/u8:1+events_unbound11:14:533
1076915992619,4cyclictest0-21swapper/309:00:273
1076915992619,3cyclictest0-21swapper/308:50:013
1076915992619,3cyclictest0-21swapper/308:50:013
1076915992618,4cyclictest0-21swapper/307:40:253
1076915992617,6cyclictest1103240-21audit_send_reply08:25:013
1076915992617,5cyclictest1180856-21fschecks_time12:10:163
1076915992615,7cyclictest0-21swapper/307:20:283
1076911992617,6cyclictest0-21swapper/211:10:212
1076911992616,6cyclictest1178293-21grep12:00:262
1076911992616,6cyclictest0-21swapper/209:25:252
1076906992618,4cyclictest1161647-21sh11:15:001
1076906992616,6cyclictest1126922-21grep09:30:281
1076915992519,3cyclictest0-21swapper/311:50:243
1076915992519,3cyclictest0-21swapper/311:25:023
1076915992519,3cyclictest0-21swapper/309:25:253
1076915992519,3cyclictest0-21swapper/307:45:253
1076915992517,4cyclictest0-21swapper/312:25:233
1076915992515,5cyclictest0-21swapper/312:30:063
1076911992519,3cyclictest0-21swapper/211:35:012
1076911992518,5cyclictest1103182-21kworker/u8:3+events_unbound08:29:272
1076911992517,4cyclictest0-21swapper/208:55:182
1076911992517,4cyclictest0-21swapper/208:20:242
1076911992515,6cyclictest0-21swapper/208:40:272
1076906992519,4cyclictest231ktimers/111:15:271
1076906992518,5cyclictest231ktimers/112:00:161
1076906992518,3cyclictest0-21swapper/111:35:261
1076906992517,4cyclictest0-21swapper/108:40:191
1076906992515,7cyclictest1120074-21grep09:10:301
107691599243,11cyclictest1080835-21apt-get07:20:013
1076915992418,3cyclictest0-21swapper/309:30:163
1076915992417,4cyclictest1107875-21grep08:35:263
1076915992415,5cyclictest0-21swapper/311:00:253
1076911992416,5cyclictest0-21swapper/209:40:002
1076906992418,3cyclictest0-21swapper/108:35:181
1076906992416,5cyclictest1147938-21grep10:35:011
1076906992416,5cyclictest0-21swapper/107:45:181
1076906992416,5cyclictest0-21swapper/107:30:011
1076906992416,4cyclictest0-21swapper/111:55:151
107690699241,5cyclictest0-21swapper/109:18:031
1076906992415,5cyclictest0-21swapper/110:40:001
1076906992415,4cyclictest0-21swapper/111:29:551
1076906992413,7cyclictest1100103-21sort08:15:151
1076915992317,3cyclictest0-21swapper/308:55:163
1076915992317,3cyclictest0-21swapper/308:50:143
1076915992316,3cyclictest0-21swapper/311:10:013
1076915992315,4cyclictest0-21swapper/310:30:293
107691599231,15cyclictest1099386-21unixbench_singl08:10:253
1076911992316,3cyclictest0-21swapper/211:05:012
1076911992313,6cyclictest0-21swapper/210:10:002
1076911992311,8cyclictest204-21dbus-daemon08:19:252
1076906992312,8cyclictest1182547-21cut12:15:171
107691599222,15cyclictest1132039-21head09:45:283
107691599222,13cyclictest1185536-21awk12:25:003
107691599222,13cyclictest1185536-21awk12:25:003
1076915992216,3cyclictest0-21swapper/308:30:133
1076915992215,4cyclictest1162899-21grep11:15:273
1076915992215,4cyclictest0-21swapper/308:25:183
1076911992216,3cyclictest0-21swapper/208:50:162
1076906992216,3cyclictest0-21swapper/111:00:241
1076906992216,3cyclictest0-21swapper/108:45:171
1076906992216,3cyclictest0-21swapper/108:45:161
1076906992215,4cyclictest0-21swapper/110:55:011
1076906992214,4cyclictest0-21swapper/108:25:291
1076906992213,6cyclictest0-21swapper/110:20:251
107691599212,13cyclictest1-21systemd12:05:003
1076915992115,3cyclictest0-21swapper/310:04:383
1076911992115,3cyclictest0-21swapper/211:35:232
1076911992115,3cyclictest0-21swapper/210:25:192
1076911992110,8cyclictest1110424-21forks08:45:152
1076911992110,8cyclictest1110424-21forks08:45:152
1076906992114,4cyclictest0-21swapper/110:50:011
1076906992112,6cyclictest1139908-21sort10:10:201
1076906992112,6cyclictest1139908-21sort10:10:191
107691599202,12cyclictest1096809-21fschecks_count08:05:163
107691199201,16cyclictest204-21dbus-daemon09:14:312
1076906992013,4cyclictest0-21swapper/112:10:261
1076911991913,3cyclictest1141750-21ntpq10:15:242
1076911991913,3cyclictest1141750-21ntpq10:15:242
107691199180,16cyclictest311ktimers/207:20:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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