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2026-05-07 - 17:41

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 Thu May 07, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17794991817,1cyclictest65850irq/126-lan11:45:203
17794991817,1cyclictest65850irq/126-lan10:55:183
17794991817,1cyclictest65850irq/126-lan10:15:163
17794991717,0cyclictest65850irq/126-lan11:14:323
17794991716,1cyclictest65850irq/126-lan12:35:173
17794991716,1cyclictest65850irq/126-lan12:25:163
17794991716,1cyclictest65850irq/126-lan12:16:053
17794991716,1cyclictest65850irq/126-lan12:05:133
17794991716,1cyclictest65850irq/126-lan11:20:143
17794991716,1cyclictest65850irq/126-lan10:40:123
17794991716,1cyclictest65850irq/126-lan10:35:123
17785991717,0cyclictest65850irq/126-lan08:45:121
17785991716,1cyclictest65850irq/126-lan09:15:131
17785991716,1cyclictest65850irq/126-lan07:52:451
17785991716,1cyclictest65850irq/126-lan07:35:131
17794991616,0cyclictest65850irq/126-lan11:55:153
17794991616,0cyclictest65850irq/126-lan11:30:203
17794991615,1cyclictest65850irq/126-lan09:55:193
17794991615,1cyclictest65850irq/126-lan09:30:113
17785991615,1cyclictest65850irq/126-lan08:40:141
17794991515,0cyclictest65850irq/126-lan11:50:113
17794991515,0cyclictest65850irq/126-lan11:41:303
17794991515,0cyclictest65850irq/126-lan11:05:163
17794991515,0cyclictest65850irq/126-lan09:49:033
17785991515,0cyclictest65850irq/126-lan09:00:121
17785991515,0cyclictest65850irq/126-lan08:20:241
17785991515,0cyclictest65850irq/126-lan07:32:591
17785991514,1cyclictest65850irq/126-lan09:10:151
17785991514,1cyclictest65850irq/126-lan08:55:181
17794991414,0cyclictest65850irq/126-lan12:10:133
17794991414,0cyclictest65850irq/126-lan11:28:053
17794991414,0cyclictest65850irq/126-lan11:00:553
17794991414,0cyclictest65850irq/126-lan10:45:103
17794991413,1cyclictest65850irq/126-lan10:20:163
17794991413,1cyclictest65850irq/126-lan10:05:163
17785991414,0cyclictest65850irq/126-lan07:44:581
17785991413,1cyclictest65850irq/126-lan09:20:151
17785991413,1cyclictest65850irq/126-lan08:00:101
17785991413,1cyclictest65850irq/126-lan07:45:091
17794991313,0cyclictest65850irq/126-lan12:20:153
17794991313,0cyclictest65850irq/126-lan12:00:163
17794991313,0cyclictest65850irq/126-lan11:15:133
17794991313,0cyclictest65850irq/126-lan10:50:103
17794991312,1cyclictest65850irq/126-lan10:00:103
17785991313,0cyclictest65850irq/126-lan08:53:591
17785991313,0cyclictest65850irq/126-lan07:25:091
17785991313,0cyclictest65850irq/126-lan07:24:551
17785991312,1cyclictest65850irq/126-lan08:30:121
17785991312,1cyclictest65850irq/126-lan08:05:001
17785991312,1cyclictest65850irq/126-lan07:10:121
17794991211,1cyclictest65850irq/126-lan10:25:143
17794991211,1cyclictest65850irq/126-lan09:36:233
17785991212,0cyclictest65850irq/126-lan09:25:101
17785991212,0cyclictest65850irq/126-lan08:35:171
17785991212,0cyclictest65850irq/126-lan08:15:111
17785991212,0cyclictest65850irq/126-lan08:10:201
17794991110,1cyclictest65850irq/126-lan09:40:153
1779499109,1cyclictest65850irq/126-lan12:30:163
1779499109,1cyclictest65850irq/126-lan11:35:173
17794991010,0cyclictest65850irq/126-lan09:50:053
177949998,1cyclictest65850irq/126-lan10:30:123
177949998,1cyclictest65850irq/126-lan10:10:213
177949996,3cyclictest743-21snmpd08:27:533
177909998,1cyclictest743-21snmpd12:15:282
177909998,1cyclictest743-21snmpd09:48:292
177909998,1cyclictest743-21snmpd09:35:552
177909998,1cyclictest743-21snmpd08:52:302
177909998,1cyclictest743-21snmpd08:26:352
177859999,0cyclictest65850irq/126-lan07:15:111
177859998,1cyclictest65850irq/126-lan08:25:181
177769998,1cyclictest743-21snmpd11:53:120
177769998,1cyclictest743-21snmpd10:40:280
177769998,1cyclictest743-21snmpd09:57:200
177769998,1cyclictest743-21snmpd09:02:300
177769998,1cyclictest741-21lldpd09:05:120
177949988,0cyclictest743-21snmpd09:10:033
177949988,0cyclictest741-21lldpd08:15:113
177949987,1cyclictest741-21lldpd09:00:273
177949987,1cyclictest522-21avahi-daemon08:55:183
177909988,0cyclictest743-21snmpd12:25:262
177909988,0cyclictest743-21snmpd10:48:192
177909988,0cyclictest741-21lldpd11:03:162
177909988,0cyclictest741-21lldpd10:40:542
177909988,0cyclictest741-21lldpd09:43:092
177909988,0cyclictest741-21lldpd08:45:242
177909987,1cyclictest743-21snmpd11:20:562
177909987,1cyclictest743-21snmpd09:54:012
177909987,1cyclictest743-21snmpd08:30:172
177909986,2cyclictest743-21snmpd12:21:132
177909986,2cyclictest743-21snmpd11:37:302
177859988,0cyclictest741-21lldpd12:11:471
177859987,1cyclictest743-21snmpd11:02:561
177859987,1cyclictest743-21snmpd10:47:161
177859987,1cyclictest65850irq/126-lan09:05:141
177859987,1cyclictest65850irq/126-lan07:55:141
177859986,2cyclictest743-21snmpd11:42:541
177859986,2cyclictest743-21snmpd11:33:271
177859986,2cyclictest743-21snmpd10:06:441
177859986,2cyclictest743-21snmpd09:37:241
177769988,0cyclictest743-21snmpd12:34:260
177769988,0cyclictest743-21snmpd09:34:400
177769988,0cyclictest743-21snmpd08:14:260
177769988,0cyclictest743-21snmpd07:43:450
177769988,0cyclictest743-21snmpd07:27:210
177769988,0cyclictest741-21lldpd12:14:270
177769988,0cyclictest741-21lldpd11:02:240
177769988,0cyclictest741-21lldpd10:10:220
177769987,1cyclictest743-21snmpd11:43:060
177769987,1cyclictest743-21snmpd09:15:460
177769987,1cyclictest741-21lldpd07:51:240
177769987,1cyclictest522-21avahi-daemon12:20:180
177769986,2cyclictest743-21snmpd11:25:320
177769986,2cyclictest743-21snmpd10:39:490
177769986,2cyclictest743-21snmpd08:16:170
177769985,3cyclictest743-21snmpd07:58:400
177949977,0cyclictest741-21lldpd07:33:513
177949977,0cyclictest741-21lldpd07:22:013
177949976,1cyclictest506-21systemd-resolve07:58:053
177949975,2cyclictest743-21snmpd08:42:203
177949973,3cyclictest20591-21diskstats07:15:113
177909977,0cyclictest741-21lldpd10:30:122
177909977,0cyclictest741-21lldpd07:39:012
177909976,1cyclictest7573-21needreboot11:55:152
177909976,1cyclictest743-21snmpd11:30:332
177909976,1cyclictest743-21snmpd10:53:222
177909976,1cyclictest573-21in:imuxsock09:16:562
177909976,1cyclictest23810-21fschecks_time12:35:132
177909975,2cyclictest743-21snmpd12:02:312
177909975,2cyclictest743-21snmpd10:39:372
177909975,2cyclictest743-21snmpd10:19:422
177909975,2cyclictest743-21snmpd10:14:092
177909975,2cyclictest743-21snmpd08:11:522
177909975,2cyclictest743-21snmpd07:17:182
177909974,3cyclictest743-21snmpd10:01:142
177859977,0cyclictest743-21snmpd12:32:231
177859977,0cyclictest743-21snmpd10:34:301
177859977,0cyclictest741-21lldpd11:29:431
177859977,0cyclictest741-21lldpd10:43:041
177859977,0cyclictest741-21lldpd09:42:271
177859976,1cyclictest741-21lldpd10:02:211
177859976,1cyclictest25141-21ntp_kernel_pll_11:20:171
177859973,3cyclictest22942-21users09:55:211
177859972,5cyclictest557-21NetworkManager09:30:421
177769977,0cyclictest743-21snmpd12:16:140
177769977,0cyclictest743-21snmpd12:04:460
177769977,0cyclictest741-21lldpd11:08:020
177769977,0cyclictest741-21lldpd10:20:140
177769977,0cyclictest741-21lldpd09:42:150
177769977,0cyclictest522-21avahi-daemon10:45:290
177769976,1cyclictest743-21snmpd11:46:180
177769976,1cyclictest743-21snmpd07:30:560
177769976,1cyclictest741-21lldpd10:07:100
177769976,1cyclictest741-21lldpd08:28:260
177769976,1cyclictest522-21avahi-daemon07:38:040
177769975,2cyclictest743-21snmpd09:13:190
177949966,0cyclictest743-21snmpd07:52:493
177949966,0cyclictest741-21lldpd08:31:253
177949966,0cyclictest741-21lldpd07:10:203
177949965,1cyclictest30298-21sh07:40:003
177949964,2cyclictest743-21snmpd08:00:003
177949964,2cyclictest15640-21unixbench_multi08:20:203
177949963,3cyclictest9075-21sshd08:05:183
177949963,3cyclictest7448-21ntp_states09:20:163
177909966,0cyclictest743-21snmpd10:55:342
177909966,0cyclictest741-21lldpd11:06:562
177909966,0cyclictest522-21avahi-daemon08:35:452
177909966,0cyclictest522-21avahi-daemon07:24:142
177909966,0cyclictest506-21systemd-resolve11:42:322
177909965,1cyclictest743-21snmpd12:05:462
177909965,1cyclictest743-21snmpd07:55:132
177909965,1cyclictest743-21snmpd07:26:332
177909965,1cyclictest522-21avahi-daemon07:30:022
177909964,2cyclictest743-21snmpd10:21:122
177909964,2cyclictest743-21snmpd09:23:222
177909964,2cyclictest22035-21cat09:55:142
177909962,3cyclictest6293-21users11:50:212
177909962,3cyclictest31224-21fw_packets09:00:122
177859966,0cyclictest741-21lldpd12:17:111
177859966,0cyclictest741-21lldpd10:51:561
177859966,0cyclictest741-21lldpd09:46:571
177859966,0cyclictest522-21avahi-daemon11:07:591
177859965,1cyclictest22251-21gltestperf11:15:131
177859965,1cyclictest1390-21cpuspeed_turbos10:25:111
177859964,2cyclictest743-21snmpd12:20:281
177859964,2cyclictest743-21snmpd11:45:511
177859963,3cyclictest19805-21fw_forwarded_lo12:25:131
177769966,0cyclictest743-21snmpd09:25:370
177769966,0cyclictest743-21snmpd08:09:070
177769966,0cyclictest741-21lldpd12:36:040
177769966,0cyclictest741-21lldpd11:31:510
177769966,0cyclictest741-21lldpd07:19:020
177769966,0cyclictest522-21avahi-daemon11:12:380
177769966,0cyclictest522-21avahi-daemon10:58:040
177769966,0cyclictest506-21systemd-resolve08:41:210
177769966,0cyclictest506-21systemd-resolve08:39:080
177769965,1cyclictest743-21snmpd10:53:460
177769965,1cyclictest743-21snmpd07:13:230
177769965,1cyclictest741-21lldpd11:55:350
177769965,1cyclictest522-21avahi-daemon11:16:180
177769965,1cyclictest522-21avahi-daemon08:50:000
177769965,1cyclictest18459-21cpuspeed_turbos08:30:110
177769964,2cyclictest743-21snmpd07:45:060
177769964,0cyclictest0-21swapper/010:15:110
177769963,3cyclictest32161-21grep11:35:220
177769963,3cyclictest11002-21apt-get12:05:120
177769960,6cyclictest21268-21turbostat12:30:000
177949955,0cyclictest65850irq/126-lan09:26:363
177949954,1cyclictest743-21snmpd07:41:573
177949952,2cyclictest575-21rs:main3
177949951,3cyclictest244-20systemd-journal07:48:513
177949950,4cyclictest21165-21ntpq08:35:163
177909955,0cyclictest743-21snmpd09:11:252
177909955,0cyclictest743-21snmpd07:54:582
177909955,0cyclictest522-21avahi-daemon11:47:342
177909954,1cyclictest743-21snmpd08:01:122
177909954,1cyclictest26738-21gltestperf11:25:122
177909954,1cyclictest12377-21cpuspeed_turbos08:15:102
177909953,2cyclictest743-21snmpd08:56:212
177909953,2cyclictest743-21snmpd07:40:122
177909952,3cyclictest22592-21df08:40:122
177909952,2cyclictest993-21ntp_kernel_pll_07:45:142
177909952,2cyclictest8342-21grep08:05:132
177909952,2cyclictest575-21rs:main2
177909952,2cyclictest2415-21sed10:25:202
177909952,2cyclictest22355-21ntpq12:30:162
177909952,2cyclictest15636-21sed08:20:202
177909951,3cyclictest26382-21ld10:05:172
177909950,4cyclictest717-21ntpd12:10:122
177909950,4cyclictest1360-21ntpq09:05:192
177859955,0cyclictest743-21snmpd10:21:421
177859954,1cyclictest31515-21needreboot11:35:171
177859952,2cyclictest7079-21grep10:35:201
177859952,2cyclictest29447-21cut10:15:001
177859952,2cyclictest21117-21seq09:52:321
177769955,0cyclictest522-21avahi-daemon11:22:200
177769955,0cyclictest506-21systemd-resolve08:01:450
177769954,1cyclictest15003-21needreboot08:20:140
177769952,3cyclictest557-21NetworkManager09:50:140
177769952,2cyclictest2643-21grep10:25:200
177769950,4cyclictest24453-21ntp_states10:00:150
177769950,4cyclictest23273-21ntpq07:20:180
177949943,1cyclictest5031-21irqstats09:15:133
177949943,1cyclictest13525-21kworker/3:0+events08:45:023
177949942,2cyclictest616-21cut09:05:143
177949941,2cyclictest10461-21diskstats08:10:123
177949940,3cyclictest25740-21grep07:25:213
177909942,2cyclictest9015-21sshd09:25:052
177909942,2cyclictest20034-21cpuspeed_turbos11:10:102
177909941,2cyclictest18036-21cpuspeed_turbos07:10:122
177909940,3cyclictest11355-21perl09:30:122
177859942,2cyclictest743-21snmpd11:55:191
177859942,2cyclictest557-21NetworkManager11:50:141
177859942,2cyclictest29809-21cut10:15:121
177859941,3cyclictest9647-21uname12:00:141
177859941,2cyclictest24558-21mailstats12:35:201
177859940,4cyclictest14698-21ntp_states10:55:181
177859940,3cyclictest19897-21find11:10:101
177859940,3cyclictest12915-21cat12:10:001
177769942,2cyclictest743-21snmpd10:30:000
177769942,2cyclictest6766-21tr09:20:110
177769942,1cyclictest13135-21ls09:35:110
177769941,2cyclictest29158-21cut08:55:130
177769941,2cyclictest24840-21sh08:45:130
177769940,3cyclictest17720-21diskstats09:45:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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