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2026-03-13 - 17:16

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #6

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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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.
Unexpectedly long latencies may be caused by SMIs
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 rack8slot6s.osadl.org (updated Fri Mar 13, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30588991817,1cyclictest65850irq/126-lan11:40:192
30588991817,1cyclictest65850irq/126-lan09:35:102
30588991817,1cyclictest65850irq/126-lan08:35:172
30588991817,1cyclictest65850irq/126-lan08:30:162
30588991817,1cyclictest65850irq/126-lan07:25:182
30584991818,0cyclictest743-21snmpd11:28:411
30584991818,0cyclictest743-21snmpd10:28:311
30584991818,0cyclictest743-21snmpd08:32:391
30588991717,0cyclictest65850irq/126-lan12:35:202
30588991717,0cyclictest65850irq/126-lan10:00:002
30588991717,0cyclictest65850irq/126-lan08:20:092
30588991716,1cyclictest65850irq/126-lan12:10:162
30588991716,1cyclictest65850irq/126-lan11:55:192
30588991716,1cyclictest65850irq/126-lan09:55:152
30588991716,1cyclictest65850irq/126-lan08:00:052
30584991717,0cyclictest743-21snmpd12:31:591
30584991717,0cyclictest743-21snmpd10:36:281
30584991717,0cyclictest743-21snmpd09:55:091
30584991717,0cyclictest25561-21cat08:15:141
30588991616,0cyclictest65850irq/126-lan10:50:112
30588991616,0cyclictest65850irq/126-lan10:15:132
30588991616,0cyclictest65850irq/126-lan10:05:202
30588991616,0cyclictest65850irq/126-lan09:40:182
30588991616,0cyclictest65850irq/126-lan07:55:172
30588991615,1cyclictest65850irq/126-lan12:20:102
30588991615,1cyclictest65850irq/126-lan10:35:102
30588991615,1cyclictest65850irq/126-lan09:30:142
30588991615,1cyclictest65850irq/126-lan09:10:212
30588991615,1cyclictest65850irq/126-lan08:40:172
30588991615,1cyclictest65850irq/126-lan08:40:172
30588991615,1cyclictest65850irq/126-lan08:05:212
30588991615,1cyclictest65850irq/126-lan07:14:012
30588991515,0cyclictest65850irq/126-lan12:00:102
30588991515,0cyclictest65850irq/126-lan11:30:162
30588991515,0cyclictest65850irq/126-lan11:20:102
30588991515,0cyclictest65850irq/126-lan10:28:212
30588991515,0cyclictest65850irq/126-lan09:01:212
30588991514,1cyclictest65850irq/126-lan12:05:162
30588991514,1cyclictest65850irq/126-lan11:35:172
30588991514,1cyclictest65850irq/126-lan11:25:152
30588991514,1cyclictest65850irq/126-lan11:10:172
30588991514,1cyclictest65850irq/126-lan10:20:122
30588991514,1cyclictest65850irq/126-lan09:45:232
30588991514,1cyclictest65850irq/126-lan08:55:132
30588991514,1cyclictest65850irq/126-lan07:35:172
30588991414,0cyclictest65850irq/126-lan11:15:122
30588991414,0cyclictest65850irq/126-lan07:40:212
30588991413,1cyclictest65850irq/126-lan12:15:202
30588991413,1cyclictest65850irq/126-lan11:00:112
30588991413,1cyclictest65850irq/126-lan10:55:122
30588991413,1cyclictest65850irq/126-lan10:40:122
30588991413,1cyclictest65850irq/126-lan09:05:112
30588991413,1cyclictest65850irq/126-lan08:50:172
30588991413,1cyclictest65850irq/126-lan08:45:212
30588991413,1cyclictest65850irq/126-lan07:30:152
30584991413,1cyclictest2645-21kworker/1:1+events07:53:001
30588991313,0cyclictest65850irq/126-lan12:25:212
30588991313,0cyclictest65850irq/126-lan11:09:382
30588991312,1cyclictest65850irq/126-lan11:50:162
30588991312,1cyclictest65850irq/126-lan08:15:142
30588991312,1cyclictest65850irq/126-lan08:10:122
30588991312,1cyclictest65850irq/126-lan07:45:132
30588991212,0cyclictest65850irq/126-lan12:30:202
30588991212,0cyclictest65850irq/126-lan07:20:122
30588991212,0cyclictest65850irq/126-lan07:15:152
30588991211,1cyclictest65850irq/126-lan11:45:152
30588991211,1cyclictest65850irq/126-lan10:45:162
30584991211,1cyclictest2645-21kworker/1:1+events09:37:161
30588991111,0cyclictest65850irq/126-lan08:25:142
30588991110,1cyclictest65850irq/126-lan09:15:122
30584991111,0cyclictest18582-21fwupd07:57:421
30584991110,1cyclictest2645-21kworker/1:1+events07:15:211
3058899109,1cyclictest65850irq/126-lan10:10:142
305939998,1cyclictest743-21snmpd12:27:143
305939998,1cyclictest743-21snmpd10:06:513
305939998,1cyclictest743-21snmpd09:48:353
305939998,1cyclictest743-21snmpd08:30:273
305939998,1cyclictest743-21snmpd07:47:163
305939996,3cyclictest743-21snmpd11:39:173
305889999,0cyclictest65850irq/126-lan09:28:212
305889998,1cyclictest65850irq/126-lan09:50:172
305889998,1cyclictest65850irq/126-lan09:20:122
305889998,1cyclictest65850irq/126-lan07:50:092
305849998,1cyclictest743-21snmpd10:50:251
305799998,1cyclictest743-21snmpd12:04:160
305799998,1cyclictest743-21snmpd11:50:450
305799998,1cyclictest743-21snmpd11:46:060
305799998,1cyclictest743-21snmpd09:32:530
305799998,1cyclictest743-21snmpd07:16:430
305939988,0cyclictest743-21snmpd12:38:113
305939988,0cyclictest743-21snmpd11:57:573
305939988,0cyclictest743-21snmpd08:29:183
305939988,0cyclictest741-21lldpd10:58:003
305939988,0cyclictest741-21lldpd09:02:523
305939987,1cyclictest743-21snmpd11:26:383
305939987,1cyclictest743-21snmpd10:35:093
305939987,1cyclictest743-21snmpd10:34:523
305939987,1cyclictest743-21snmpd10:02:273
305939987,1cyclictest743-21snmpd07:37:463
305939986,2cyclictest743-21snmpd11:23:103
305939986,2cyclictest743-21snmpd08:38:353
305939986,2cyclictest743-21snmpd08:13:453
305889988,0cyclictest65850irq/126-lan10:30:212
305849988,0cyclictest743-21snmpd11:07:411
305849988,0cyclictest741-21lldpd12:05:451
305849988,0cyclictest741-21lldpd10:45:361
305849988,0cyclictest741-21lldpd09:53:221
305849988,0cyclictest506-21systemd-resolve10:00:081
305849988,0cyclictest21457-21smartctl12:00:161
305849987,1cyclictest743-21snmpd09:12:401
305849986,2cyclictest743-21snmpd07:41:581
305849986,1cyclictest2645-21kworker/1:1+events09:25:111
305799988,0cyclictest743-21snmpd10:26:130
305799988,0cyclictest743-21snmpd09:52:440
305799988,0cyclictest741-21lldpd12:23:100
305799988,0cyclictest741-21lldpd08:51:010
305799988,0cyclictest741-21lldpd08:00:340
305799988,0cyclictest741-21lldpd07:35:140
305799988,0cyclictest741-21lldpd07:30:530
305799987,1cyclictest743-21snmpd12:36:110
305799987,1cyclictest743-21snmpd11:16:260
305799987,1cyclictest743-21snmpd10:23:490
305799987,1cyclictest743-21snmpd09:42:050
305799987,1cyclictest743-21snmpd09:17:520
305799987,1cyclictest743-21snmpd08:49:250
305799987,1cyclictest741-21lldpd11:22:150
305799987,1cyclictest741-21lldpd10:16:520
305799987,1cyclictest24159-21gltestperf10:50:120
305799986,2cyclictest743-21snmpd11:25:350
305799986,2cyclictest743-21snmpd08:34:330
305799986,2cyclictest717-21ntpd12:19:520
305939977,0cyclictest743-21snmpd09:17:093
305939977,0cyclictest741-21lldpd09:56:513
305939977,0cyclictest741-21lldpd09:34:413
305939977,0cyclictest741-21lldpd09:23:033
305939977,0cyclictest741-21lldpd08:40:283
305939977,0cyclictest741-21lldpd08:40:283
305939977,0cyclictest741-21lldpd08:09:183
305939976,1cyclictest743-21snmpd07:55:383
305939976,1cyclictest522-21avahi-daemon11:53:223
305939976,1cyclictest522-21avahi-daemon11:33:103
305939976,1cyclictest23041-21cat12:05:133
305939975,2cyclictest743-21snmpd10:20:193
305939975,2cyclictest743-21snmpd08:55:523
305939975,2cyclictest743-21snmpd07:10:583
305939975,2cyclictest6900-21cat07:30:123
305849977,0cyclictest743-21snmpd10:15:121
305849977,0cyclictest741-21lldpd12:20:081
305849977,0cyclictest741-21lldpd12:19:481
305849977,0cyclictest741-21lldpd11:18:131
305849977,0cyclictest741-21lldpd08:20:191
305849977,0cyclictest506-21systemd-resolve10:55:311
305849976,1cyclictest743-21snmpd11:45:121
305849976,1cyclictest2645-21kworker/1:1+events12:35:151
305849976,1cyclictest2645-21kworker/1:1+events12:10:171
305849976,1cyclictest2645-21kworker/1:1+events11:55:051
305849976,1cyclictest2645-21kworker/1:1+events11:40:171
305849976,1cyclictest2645-21kworker/1:1+events11:24:431
305849976,1cyclictest2645-21kworker/1:1+events11:14:131
305849976,1cyclictest2645-21kworker/1:1+events11:03:491
305849976,1cyclictest2645-21kworker/1:1+events10:43:171
305849976,1cyclictest2645-21kworker/1:1+events10:30:131
305849976,1cyclictest2645-21kworker/1:1+events10:05:101
305849976,1cyclictest2645-21kworker/1:1+events09:45:231
305849976,1cyclictest2645-21kworker/1:1+events09:40:151
305849976,1cyclictest2645-21kworker/1:1+events09:20:461
305849976,1cyclictest2645-21kworker/1:1+events09:15:171
305849976,1cyclictest2645-21kworker/1:1+events09:05:061
305849976,1cyclictest2645-21kworker/1:1+events09:00:171
305849976,1cyclictest2645-21kworker/1:1+events08:58:451
305849976,1cyclictest2645-21kworker/1:1+events08:53:491
305849976,1cyclictest2645-21kworker/1:1+events08:40:111
305849976,1cyclictest2645-21kworker/1:1+events08:40:111
305849976,1cyclictest2645-21kworker/1:1+events08:00:211
305849976,1cyclictest2645-21kworker/1:1+events07:35:141
305849976,1cyclictest2645-21kworker/1:1+events07:30:111
305849976,1cyclictest2645-21kworker/1:1+events07:25:131
305849975,2cyclictest743-21snmpd11:34:181
305849975,2cyclictest743-21snmpd10:14:421
305849975,2cyclictest23531-21cat08:10:131
305799977,0cyclictest743-21snmpd10:37:100
305799977,0cyclictest743-21snmpd07:50:250
305799977,0cyclictest741-21lldpd09:07:320
305799977,0cyclictest741-21lldpd07:21:340
305799977,0cyclictest741-21lldpd07:12:290
305799976,1cyclictest743-21snmpd11:01:320
305799976,1cyclictest743-21snmpd09:57:300
305799976,1cyclictest717-21ntpd10:30:240
305799976,1cyclictest522-21avahi-daemon11:57:450
305799975,2cyclictest743-21snmpd12:05:580
305799975,2cyclictest743-21snmpd11:08:350
305799975,2cyclictest717-21ntpd12:10:220
305799975,2cyclictest717-21ntpd08:40:230
305799975,2cyclictest717-21ntpd08:40:230
305799975,2cyclictest717-21ntpd08:20:020
305799975,2cyclictest717-21ntpd08:18:220
305799975,2cyclictest717-21ntpd07:55:220
305939966,0cyclictest741-21lldpd11:02:483
305939966,0cyclictest741-21lldpd10:28:023
305939966,0cyclictest741-21lldpd09:12:413
305939965,1cyclictest743-21snmpd09:36:503
305939964,2cyclictest743-21snmpd10:16:513
305939964,2cyclictest743-21snmpd07:25:103
305939963,3cyclictest21198-21diskstats09:25:123
305939962,3cyclictest244-20systemd-journal10:53:063
305849965,1cyclictest2645-21kworker/1:1+events12:25:171
305849965,1cyclictest2645-21kworker/1:1+events11:50:211
305849965,1cyclictest2645-21kworker/1:1+events11:35:151
305849965,1cyclictest2645-21kworker/1:1+events10:20:301
305849965,1cyclictest2645-21kworker/1:1+events09:30:171
305849965,1cyclictest2645-21kworker/1:1+events08:45:131
305849965,1cyclictest2645-21kworker/1:1+events08:35:101
305849965,1cyclictest2645-21kworker/1:1+events08:25:131
305849965,1cyclictest2645-21kworker/1:1+events08:05:001
305849965,1cyclictest2645-21kworker/1:1+events07:45:171
305849965,1cyclictest2645-21kworker/1:1+events07:20:081
305849965,1cyclictest2645-21kworker/1:1+events07:10:131
305799966,0cyclictest743-21snmpd09:11:310
305799966,0cyclictest741-21lldpd11:32:470
305799965,1cyclictest743-21snmpd12:30:110
305799965,1cyclictest743-21snmpd11:43:540
305799965,1cyclictest743-21snmpd10:57:370
305799965,1cyclictest743-21snmpd08:39:060
305799965,1cyclictest717-21ntpd10:10:220
305799965,1cyclictest6190-21sh07:30:010
305799964,2cyclictest743-21snmpd09:00:340
305799964,2cyclictest717-21ntpd10:09:290
305799964,2cyclictest717-21ntpd09:49:260
305799963,2cyclictest1883-21sed11:15:000
305799962,3cyclictest11209-21ntpq11:35:160
305799961,5cyclictest557-21NetworkManager09:24:250
305939955,0cyclictest743-21snmpd08:04:263
305939955,0cyclictest741-21lldpd09:50:593
305939955,0cyclictest522-21avahi-daemon11:49:383
305939955,0cyclictest522-21avahi-daemon11:06:023
305939955,0cyclictest522-21avahi-daemon08:24:123
305939955,0cyclictest27872-21gltestperf09:40:133
305939953,2cyclictest743-21snmpd07:19:153
305939952,2cyclictest865-21missed_timers12:30:143
305939952,2cyclictest575-21rs:main3
305939952,2cyclictest29450-21ntpq12:20:153
305939952,2cyclictest25354-21cut08:15:133
305939952,2cyclictest244-20systemd-journal07:40:423
305939952,2cyclictest2390-21awk11:15:133
305939951,3cyclictest13178-21netstat11:40:153
305939950,4cyclictest675-21ntpq11:10:163
305799955,0cyclictest743-21snmpd08:08:250
305799955,0cyclictest741-21lldpd07:43:330
305799953,0cyclictest0-21swapper/009:25:110
305799952,3cyclictest25925-21cat09:35:110
305799952,2cyclictest4004-21grep10:00:100
305799952,2cyclictest31111-21cat08:30:010
305799952,2cyclictest244-20systemd-journal12:27:230
305799952,2cyclictest22866-21sed10:45:200
305799950,4cyclictest9754-21ntpq08:55:170
305939943,1cyclictest7887-21fschecks_time10:10:113
305939943,1cyclictest3179-21ntpq07:20:143
305939942,2cyclictest20586-21https12:00:113
305939942,2cyclictest13083-21cpuspeed_turbos09:05:113
305939941,3cyclictest557-21NetworkManager08:52:563
305939941,3cyclictest27362-21ntpq12:15:163
305939941,2cyclictest5663-21ldconfig08:45:173
305939941,2cyclictest24607-21apt-get12:10:103
305939941,2cyclictest19962-21sh10:40:113
305939941,2cyclictest15858-21ntpq07:50:163
305799941,2cyclictest24402-21sed08:10:200
305799941,2cyclictest20141-21grep10:40:120
305799940,3cyclictest13159-21df07:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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