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2026-05-08 - 14:56

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 the highest latencies:
System rack8slot6s.osadl.org (updated Fri May 08, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21746991818,0cyclictest65850irq/126-lan09:09:153
21737991817,1cyclictest65850irq/126-lan12:30:111
21746991717,0cyclictest65850irq/126-lan10:55:203
21746991717,0cyclictest65850irq/126-lan08:34:433
21746991716,1cyclictest65850irq/126-lan11:55:193
21746991716,1cyclictest65850irq/126-lan11:40:003
21746991716,1cyclictest65850irq/126-lan11:20:223
21746991716,1cyclictest65850irq/126-lan11:05:113
21746991716,1cyclictest65850irq/126-lan10:10:193
21746991716,1cyclictest65850irq/126-lan07:40:003
21746991716,1cyclictest65850irq/126-lan07:35:173
21746991716,1cyclictest65850irq/126-lan07:10:113
21746991616,0cyclictest65850irq/126-lan11:15:163
21746991616,0cyclictest65850irq/126-lan10:50:143
21746991616,0cyclictest65850irq/126-lan10:05:133
21746991616,0cyclictest65850irq/126-lan09:20:133
21746991616,0cyclictest65850irq/126-lan07:15:113
21746991615,1cyclictest65850irq/126-lan10:30:203
21746991615,1cyclictest65850irq/126-lan10:00:143
21746991615,1cyclictest65850irq/126-lan09:40:133
21746991615,1cyclictest65850irq/126-lan09:35:163
21746991615,1cyclictest65850irq/126-lan09:15:123
21746991615,1cyclictest65850irq/126-lan08:50:163
21746991615,1cyclictest65850irq/126-lan08:35:153
21746991615,1cyclictest65850irq/126-lan07:25:123
21737991616,0cyclictest65850irq/126-lan12:10:491
21737991615,1cyclictest65850irq/126-lan12:15:131
21746991515,0cyclictest65850irq/126-lan09:28:483
21746991515,0cyclictest65850irq/126-lan09:10:153
21746991515,0cyclictest65850irq/126-lan07:50:193
21746991514,1cyclictest65850irq/126-lan11:00:173
21746991514,1cyclictest65850irq/126-lan10:25:093
21746991514,1cyclictest65850irq/126-lan10:15:113
21746991514,1cyclictest65850irq/126-lan09:45:183
21746991514,1cyclictest65850irq/126-lan09:30:103
21746991514,1cyclictest65850irq/126-lan08:40:133
21746991514,1cyclictest65850irq/126-lan08:25:163
21737991514,1cyclictest65850irq/126-lan12:35:141
21737991514,1cyclictest65850irq/126-lan12:20:111
21746991414,0cyclictest65850irq/126-lan11:45:213
21746991414,0cyclictest65850irq/126-lan08:45:123
21746991413,1cyclictest65850irq/126-lan11:41:533
21746991413,1cyclictest65850irq/126-lan10:35:143
21746991413,1cyclictest65850irq/126-lan09:00:143
21746991413,1cyclictest65850irq/126-lan08:10:143
21746991413,1cyclictest65850irq/126-lan07:45:143
21746991413,1cyclictest65850irq/126-lan07:20:013
21737991411,3cyclictest65850irq/126-lan12:25:171
21746991313,0cyclictest65850irq/126-lan08:00:163
21746991312,1cyclictest65850irq/126-lan11:55:003
21746991312,1cyclictest65850irq/126-lan09:50:123
21746991312,1cyclictest65850irq/126-lan08:05:123
21746991312,1cyclictest65850irq/126-lan07:30:173
21746991212,0cyclictest65850irq/126-lan10:23:133
21746991211,1cyclictest65850irq/126-lan11:30:193
2172999128,4cyclictest743-21snmpd08:28:330
21746991110,1cyclictest65850irq/126-lan08:55:213
2173799118,3cyclictest741-21lldpd11:42:011
2173799118,3cyclictest741-21lldpd07:10:181
2173799117,4cyclictest743-21snmpd08:21:151
2173799116,2cyclictest743-21snmpd07:59:181
21737991110,1cyclictest65850irq/126-lan12:09:591
2172999118,3cyclictest743-21snmpd09:14:380
2172999116,3cyclictest522-21avahi-daemon12:23:120
2174699109,1cyclictest65850irq/126-lan10:45:113
21746991010,0cyclictest65850irq/126-lan12:05:113
21746991010,0cyclictest65850irq/126-lan11:10:173
21746991010,0cyclictest65850irq/126-lan07:55:143
2173799107,3cyclictest743-21snmpd11:16:261
2172999107,3cyclictest743-21snmpd10:49:100
2172999107,3cyclictest743-21snmpd10:22:260
2172999107,3cyclictest741-21lldpd10:34:170
2172999107,3cyclictest741-21lldpd09:09:360
2172999107,3cyclictest522-21avahi-daemon11:22:200
2172999106,4cyclictest743-21snmpd08:59:340
2172999106,4cyclictest743-21snmpd08:33:490
2172999106,4cyclictest743-21snmpd07:22:430
2172999105,5cyclictest743-21snmpd12:19:560
2172999105,5cyclictest743-21snmpd11:30:450
217469998,1cyclictest65850irq/126-lan11:25:143
217469998,1cyclictest65850irq/126-lan08:15:163
217379998,1cyclictest743-21snmpd11:36:521
217379998,1cyclictest743-21snmpd08:08:091
217379996,0cyclictest743-21snmpd10:45:041
217379995,1cyclictest506-21systemd-resolve09:42:141
217299998,1cyclictest743-21snmpd12:10:530
217299998,1cyclictest743-21snmpd09:19:050
217299997,2cyclictest743-21snmpd11:53:430
217299997,2cyclictest741-21lldpd10:05:560
217299997,2cyclictest741-21lldpd08:04:070
217299996,3cyclictest741-21lldpd12:00:460
217299996,3cyclictest741-21lldpd09:24:560
217299995,4cyclictest743-21snmpd11:37:090
217299995,4cyclictest0-21swapper/011:55:160
217299994,5cyclictest743-21snmpd11:48:250
217299994,5cyclictest743-21snmpd07:33:220
217299990,0cyclictest0-21swapper/009:45:160
217469988,0cyclictest65850irq/126-lan09:55:173
217419988,0cyclictest743-21snmpd08:16:392
217419988,0cyclictest741-21lldpd12:21:232
217419988,0cyclictest741-21lldpd09:00:402
217419988,0cyclictest741-21lldpd08:51:142
217419988,0cyclictest741-21lldpd07:32:572
217419987,1cyclictest743-21snmpd12:36:202
217419987,1cyclictest743-21snmpd09:20:432
217419987,1cyclictest743-21snmpd07:17:162
217419987,1cyclictest741-21lldpd11:10:282
217419987,1cyclictest522-21avahi-daemon07:40:382
217419987,1cyclictest24502-21kworker/2:0+events10:41:092
217419986,2cyclictest743-21snmpd12:28:362
217419986,2cyclictest743-21snmpd12:06:022
217419986,2cyclictest743-21snmpd11:56:292
217419986,2cyclictest743-21snmpd11:06:272
217419986,2cyclictest743-21snmpd10:30:462
217419986,2cyclictest743-21snmpd10:24:432
217419986,2cyclictest743-21snmpd08:59:292
217419986,2cyclictest743-21snmpd08:08:152
217419986,2cyclictest743-21snmpd07:37:442
217419985,1cyclictest191rcu_preempt11:15:142
217419980,8cyclictest9321-21cron11:55:002
217379988,0cyclictest741-21lldpd12:04:211
217379988,0cyclictest741-21lldpd10:12:391
217379988,0cyclictest741-21lldpd10:08:391
217379988,0cyclictest741-21lldpd10:03:271
217379988,0cyclictest741-21lldpd09:25:401
217379988,0cyclictest741-21lldpd08:31:371
217379988,0cyclictest741-21lldpd07:44:421
217379988,0cyclictest741-21lldpd07:20:081
217379987,1cyclictest743-21snmpd11:12:531
217379987,1cyclictest743-21snmpd07:36:291
217379986,2cyclictest743-21snmpd11:59:231
217379986,2cyclictest743-21snmpd11:21:431
217379986,2cyclictest717-21ntpd11:00:121
217379986,2cyclictest717-21ntpd10:55:121
217299988,0cyclictest743-21snmpd09:32:180
217299988,0cyclictest741-21lldpd07:11:070
217299987,1cyclictest743-21snmpd11:28:160
217299987,1cyclictest743-21snmpd11:00:260
217299987,1cyclictest743-21snmpd08:54:220
217299985,3cyclictest743-21snmpd07:55:030
217299985,3cyclictest0-21swapper/008:20:130
217299983,4cyclictest12026-21perl10:40:120
217299982,3cyclictest14246-21ld09:25:170
217299982,2cyclictest557-21NetworkManager09:01:060
217299982,2cyclictest29003-21wc07:25:150
217299982,2cyclictest20596-21wc09:40:200
217299981,3cyclictest557-21NetworkManager12:33:080
217299980,4cyclictest30528-21sed08:45:220
217299980,3cyclictest25667-21cat09:55:010
217299980,3cyclictest16825-21/usr/sbin/munin08:15:120
217469977,0cyclictest743-21snmpd12:12:563
217469977,0cyclictest743-21snmpd10:41:343
217469977,0cyclictest741-21lldpd12:23:183
217469975,2cyclictest743-21snmpd12:30:203
217419977,0cyclictest743-21snmpd11:30:332
217419977,0cyclictest741-21lldpd10:10:032
217419976,1cyclictest24502-21kworker/2:0+events12:15:192
217419976,1cyclictest24502-21kworker/2:0+events12:10:032
217419976,1cyclictest24502-21kworker/2:0+events12:00:012
217419976,1cyclictest24502-21kworker/2:0+events11:45:252
217419976,1cyclictest24502-21kworker/2:0+events11:40:032
217419976,1cyclictest24502-21kworker/2:0+events11:35:382
217419976,1cyclictest24502-21kworker/2:0+events11:25:012
217419976,1cyclictest24502-21kworker/2:0+events11:20:162
217419976,1cyclictest24502-21kworker/2:0+events11:00:012
217419976,1cyclictest24502-21kworker/2:0+events10:55:092
217419976,1cyclictest24502-21kworker/2:0+events10:50:022
217419976,1cyclictest24502-21kworker/2:0+events10:45:352
217419976,1cyclictest24502-21kworker/2:0+events10:35:142
217419976,1cyclictest24502-21kworker/2:0+events10:25:192
217419976,1cyclictest24502-21kworker/2:0+events10:15:202
217419976,1cyclictest24502-21kworker/2:0+events10:05:092
217419976,1cyclictest24502-21kworker/2:0+events10:00:222
217419976,1cyclictest24502-21kworker/2:0+events09:55:052
217419976,1cyclictest24502-21kworker/2:0+events09:50:052
217419976,1cyclictest24502-21kworker/2:0+events09:45:142
217419976,1cyclictest24502-21kworker/2:0+events09:40:232
217419976,1cyclictest24502-21kworker/2:0+events09:35:012
217419976,1cyclictest24502-21kworker/2:0+events09:30:362
217419976,1cyclictest24502-21kworker/2:0+events09:25:032
217419976,1cyclictest24502-21kworker/2:0+events09:15:162
217419976,1cyclictest24502-21kworker/2:0+events09:08:432
217419976,1cyclictest24502-21kworker/2:0+events08:45:112
217419976,1cyclictest24502-21kworker/2:0+events08:40:062
217419976,1cyclictest24502-21kworker/2:0+events08:35:152
217419976,1cyclictest24502-21kworker/2:0+events08:30:172
217419976,1cyclictest24502-21kworker/2:0+events08:25:142
217419976,1cyclictest24502-21kworker/2:0+events08:20:232
217419976,1cyclictest24502-21kworker/2:0+events08:10:162
217419976,1cyclictest24502-21kworker/2:0+events08:00:472
217419976,1cyclictest24502-21kworker/2:0+events07:55:012
217419976,1cyclictest24502-21kworker/2:0+events07:50:332
217419976,1cyclictest24502-21kworker/2:0+events07:46:132
217419976,1cyclictest24502-21kworker/2:0+events07:25:032
217419976,1cyclictest24502-21kworker/2:0+events07:20:032
217419976,1cyclictest24502-21kworker/2:0+events07:10:052
217419974,2cyclictest7759-21ntp_states09:10:172
217419971,4cyclictest575-21rs:main2
217379977,0cyclictest743-21snmpd07:31:251
217379977,0cyclictest741-21lldpd11:29:521
217379977,0cyclictest741-21lldpd10:31:571
217379977,0cyclictest741-21lldpd10:25:271
217379977,0cyclictest741-21lldpd09:35:541
217379977,0cyclictest741-21lldpd07:19:221
217379977,0cyclictest522-21avahi-daemon09:46:131
217379975,2cyclictest743-21snmpd09:10:171
217379975,2cyclictest743-21snmpd09:09:531
217379975,2cyclictest717-21ntpd09:50:121
217379975,2cyclictest717-21ntpd08:40:131
217379973,3cyclictest9901-21memory09:15:161
217299977,0cyclictest741-21lldpd11:10:410
217299976,1cyclictest743-21snmpd08:37:550
217299976,1cyclictest522-21avahi-daemon10:15:020
217299975,2cyclictest717-21ntpd10:35:140
217299974,3cyclictest23193-21needreboot12:25:150
217299972,2cyclictest27900-21ls08:40:200
217299970,4cyclictest6458-21ntpq10:25:150
217299970,4cyclictest397-21ntpq10:10:160
217299970,4cyclictest22536-21ntpq11:05:160
217299970,3cyclictest5363-21ntpq07:45:160
217299970,3cyclictest3717-21df11:40:130
217299970,3cyclictest28708-21ntpq10:00:150
217299970,3cyclictest27952-21users12:35:190
217299970,3cyclictest26567-21ntpq11:15:150
217299970,3cyclictest18328-21load10:55:150
217299970,3cyclictest16053-21fw_forwarded_lo10:50:130
217299970,3cyclictest12797-21/usr/sbin/munin08:05:120
217299970,3cyclictest1100-21grep07:35:200
217469966,0cyclictest741-21lldpd12:15:113
217469965,1cyclictest22798-21fschecks_time12:25:123
217469964,2cyclictest743-21snmpd08:22:003
217469963,2cyclictest575-21rs:main3
217379965,1cyclictest743-21snmpd08:16:541
217379965,1cyclictest741-21lldpd10:37:161
217379965,1cyclictest522-21avahi-daemon11:50:051
217379964,2cyclictest743-21snmpd08:38:281
217379964,2cyclictest743-21snmpd08:01:241
217379964,2cyclictest743-21snmpd07:54:441
217379964,2cyclictest743-21snmpd07:29:431
217379964,2cyclictest717-21ntpd11:30:141
217379964,2cyclictest717-21ntpd09:55:201
217299965,1cyclictest3842-21unixbench_multi07:40:210
217299962,1cyclictest15469-21ntpq08:10:160
217299961,2cyclictest743-21snmpd09:55:570
217299960,3cyclictest6870-21fw_conntrack07:50:110
217299960,3cyclictest14298-21dpkg12:04:590
217299960,2cyclictest24417-21cut07:15:130
217469954,1cyclictest26935-21gltestperf12:35:123
217379955,0cyclictest522-21avahi-daemon11:05:421
217379955,0cyclictest522-21avahi-daemon10:51:221
217379955,0cyclictest522-21avahi-daemon10:44:321
217379954,1cyclictest743-21snmpd08:51:521
217379954,1cyclictest3175-21gltestperf09:00:121
217379953,2cyclictest743-21snmpd11:48:551
217379953,2cyclictest743-21snmpd08:55:101
217379953,2cyclictest717-21ntpd10:20:191
217379953,2cyclictest717-21ntpd10:17:401
217379953,2cyclictest717-21ntpd09:20:131
217379952,3cyclictest15599-21cut09:30:121
217379952,2cyclictest14919-21grep08:10:131
217299950,3cyclictest18134-21ntpq09:35:150
217379941,2cyclictest29959-21ldconfig08:45:161
217379940,3cyclictest4768-21grep07:45:121
217379940,3cyclictest21429-21ntpq08:25:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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