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2026-08-07 - 16:46

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 376 highest latencies:
System rack8slot6s.osadl.org (updated Fri Aug 07, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19880991919,0cyclictest65850irq/126-lan10:20:100
19880991918,1cyclictest65850irq/126-lan10:05:210
19880991818,0cyclictest65850irq/126-lan11:24:290
19880991818,0cyclictest65850irq/126-lan11:15:160
19880991818,0cyclictest65850irq/126-lan10:15:190
19880991817,1cyclictest65850irq/126-lan12:30:160
19880991817,1cyclictest65850irq/126-lan11:54:550
19880991817,1cyclictest65850irq/126-lan11:30:170
19880991817,1cyclictest65850irq/126-lan10:25:190
19880991817,1cyclictest65850irq/126-lan09:15:120
19880991717,0cyclictest65850irq/126-lan12:20:130
19880991717,0cyclictest65850irq/126-lan10:45:170
19880991717,0cyclictest65850irq/126-lan09:12:170
19880991716,1cyclictest65850irq/126-lan12:05:130
19880991716,1cyclictest65850irq/126-lan11:00:140
19880991716,1cyclictest65850irq/126-lan10:35:160
19880991716,1cyclictest65850irq/126-lan10:30:100
19880991716,1cyclictest65850irq/126-lan09:55:000
19880991716,1cyclictest65850irq/126-lan07:30:150
19880991616,0cyclictest65850irq/126-lan09:05:160
19880991616,0cyclictest65850irq/126-lan08:50:210
19880991616,0cyclictest65850irq/126-lan07:56:330
19880991616,0cyclictest65850irq/126-lan07:44:060
19880991616,0cyclictest65850irq/126-lan07:20:120
19880991616,0cyclictest65850irq/126-lan07:19:460
19880991615,1cyclictest65850irq/126-lan12:35:120
19880991615,1cyclictest65850irq/126-lan12:14:260
19880991615,1cyclictest65850irq/126-lan09:35:140
19880991615,1cyclictest65850irq/126-lan08:25:130
19880991615,1cyclictest65850irq/126-lan08:00:170
19880991615,1cyclictest65850irq/126-lan07:45:100
19883991515,0cyclictest743-21snmpd09:13:351
19880991515,0cyclictest65850irq/126-lan11:35:130
19880991515,0cyclictest65850irq/126-lan11:10:200
19880991515,0cyclictest65850irq/126-lan08:22:470
19880991514,1cyclictest65850irq/126-lan12:15:110
19880991514,1cyclictest65850irq/126-lan12:00:010
19880991514,1cyclictest65850irq/126-lan11:05:180
19880991514,1cyclictest65850irq/126-lan09:48:420
19880991514,1cyclictest65850irq/126-lan09:29:590
19880991514,1cyclictest65850irq/126-lan08:45:200
19880991514,1cyclictest65850irq/126-lan08:35:170
19880991514,1cyclictest65850irq/126-lan07:50:150
19880991514,1cyclictest65850irq/126-lan07:50:150
19880991514,1cyclictest65850irq/126-lan07:35:130
19896991414,0cyclictest743-21snmpd11:41:193
19880991414,0cyclictest65850irq/126-lan10:58:480
19880991414,0cyclictest65850irq/126-lan08:15:160
19880991413,1cyclictest65850irq/126-lan12:25:190
19880991413,1cyclictest65850irq/126-lan10:50:150
19880991413,1cyclictest65850irq/126-lan10:40:230
19880991413,1cyclictest65850irq/126-lan08:55:150
19880991413,1cyclictest65850irq/126-lan08:10:200
19896991313,0cyclictest743-21snmpd11:54:453
19896991313,0cyclictest743-21snmpd10:14:073
19896991313,0cyclictest743-21snmpd10:07:443
19896991313,0cyclictest743-21snmpd07:32:413
19880991313,0cyclictest65850irq/126-lan10:10:140
19880991313,0cyclictest65850irq/126-lan07:25:150
19880991313,0cyclictest65850irq/126-lan07:14:450
19880991312,1cyclictest65850irq/126-lan09:40:120
19896991212,0cyclictest743-21snmpd12:31:243
19896991212,0cyclictest743-21snmpd11:26:043
19896991212,0cyclictest743-21snmpd10:47:113
19896991212,0cyclictest743-21snmpd10:34:083
19896991212,0cyclictest743-21snmpd10:20:383
19896991212,0cyclictest743-21snmpd09:21:173
19896991212,0cyclictest743-21snmpd07:58:093
19896991212,0cyclictest20934-21cat07:10:133
19896991212,0cyclictest14911-21cat12:05:153
19883991212,0cyclictest743-21snmpd07:31:051
19883991212,0cyclictest2737-21cat09:00:131
19880991212,0cyclictest65850irq/126-lan08:34:530
19880991211,1cyclictest65850irq/126-lan12:00:000
19880991211,1cyclictest65850irq/126-lan10:00:120
19880991211,1cyclictest65850irq/126-lan09:30:100
19880991211,1cyclictest65850irq/126-lan09:00:150
19880991211,1cyclictest65850irq/126-lan08:40:150
19896991111,0cyclictest743-21snmpd11:56:543
19896991111,0cyclictest743-21snmpd11:16:213
19896991111,0cyclictest743-21snmpd11:05:163
19896991111,0cyclictest743-21snmpd09:16:083
19896991111,0cyclictest743-21snmpd08:37:283
19896991111,0cyclictest743-21snmpd07:54:043
19896991111,0cyclictest743-21snmpd07:54:033
19896991111,0cyclictest743-21snmpd07:17:383
19896991111,0cyclictest1978-21cat07:40:133
19883991111,0cyclictest743-21snmpd12:33:031
19883991111,0cyclictest743-21snmpd12:20:321
19883991111,0cyclictest743-21snmpd11:59:091
19883991111,0cyclictest743-21snmpd11:13:131
19883991111,0cyclictest743-21snmpd08:43:101
19883991111,0cyclictest23026-21cat08:30:151
19880991111,0cyclictest65850irq/126-lan11:40:130
19880991111,0cyclictest65850irq/126-lan11:25:150
19880991110,1cyclictest65850irq/126-lan11:45:150
19880991110,1cyclictest65850irq/126-lan07:10:010
1989699109,1cyclictest24837-21gltestperf07:20:133
19896991010,0cyclictest743-21snmpd12:17:083
19896991010,0cyclictest743-21snmpd11:46:583
19896991010,0cyclictest743-21snmpd09:02:513
19883991010,0cyclictest743-21snmpd11:44:261
19883991010,0cyclictest743-21snmpd10:34:051
19883991010,0cyclictest743-21snmpd09:48:091
19883991010,0cyclictest743-21snmpd08:26:461
19883991010,0cyclictest743-21snmpd07:29:381
19880991010,0cyclictest65850irq/126-lan09:50:190
198969998,1cyclictest743-21snmpd12:13:153
198919998,1cyclictest743-21snmpd08:15:432
198839999,0cyclictest743-21snmpd08:51:031
198969988,0cyclictest743-21snmpd09:57:313
198969988,0cyclictest741-21lldpd12:02:103
198969988,0cyclictest741-21lldpd09:07:133
198969988,0cyclictest741-21lldpd08:58:153
198969986,2cyclictest743-21snmpd12:28:433
198969986,2cyclictest743-21snmpd10:29:023
198969986,2cyclictest743-21snmpd09:44:483
198919988,0cyclictest743-21snmpd12:00:142
198919988,0cyclictest741-21lldpd07:57:542
198919987,1cyclictest743-21snmpd12:24:482
198919987,1cyclictest743-21snmpd09:26:572
198919987,1cyclictest741-21lldpd08:21:072
198919987,1cyclictest522-21avahi-daemon10:11:232
198919986,2cyclictest743-21snmpd11:35:142
198919986,2cyclictest743-21snmpd10:37:452
198839988,0cyclictest743-21snmpd09:39:011
198839988,0cyclictest743-21snmpd08:55:321
198839988,0cyclictest743-21snmpd08:09:031
198839988,0cyclictest741-21lldpd12:27:191
198839988,0cyclictest741-21lldpd10:10:041
198839988,0cyclictest741-21lldpd10:01:361
198839987,1cyclictest522-21avahi-daemon11:15:221
198839987,1cyclictest16370-21needreboot10:50:151
198839986,2cyclictest743-21snmpd11:48:341
198839986,2cyclictest743-21snmpd10:21:561
198839986,2cyclictest743-21snmpd07:52:491
198839986,2cyclictest743-21snmpd07:52:481
198809986,2cyclictest717-21ntpd08:08:560
198969977,0cyclictest743-21snmpd08:25:313
198969977,0cyclictest743-21snmpd08:23:463
198969977,0cyclictest741-21lldpd12:39:233
198969977,0cyclictest741-21lldpd11:31:433
198969977,0cyclictest741-21lldpd09:35:073
198969977,0cyclictest741-21lldpd08:48:563
198969977,0cyclictest22291-21cron12:25:003
198969975,2cyclictest743-21snmpd10:55:113
198969975,2cyclictest743-21snmpd10:15:433
198919977,0cyclictest743-21snmpd12:14:422
198919977,0cyclictest743-21snmpd11:32:522
198919977,0cyclictest743-21snmpd11:13:272
198919977,0cyclictest743-21snmpd10:15:162
198919977,0cyclictest743-21snmpd08:14:332
198919977,0cyclictest743-21snmpd08:03:342
198919977,0cyclictest743-21snmpd07:11:562
198919977,0cyclictest741-21lldpd12:19:542
198919977,0cyclictest741-21lldpd12:05:292
198919976,1cyclictest743-21snmpd12:36:512
198919976,1cyclictest743-21snmpd11:52:482
198919976,1cyclictest743-21snmpd09:34:122
198919976,1cyclictest741-21lldpd10:59:392
198919976,1cyclictest741-21lldpd07:42:362
198919976,1cyclictest5776-21fschecks_count07:50:122
198919976,1cyclictest5776-21fschecks_count07:50:112
198919976,1cyclictest522-21avahi-daemon12:25:282
198919976,1cyclictest17320-21gltestperf09:35:162
198919975,2cyclictest743-21snmpd11:57:182
198919975,2cyclictest743-21snmpd11:21:312
198919975,2cyclictest743-21snmpd11:19:332
198919975,2cyclictest743-21snmpd10:40:112
198919975,2cyclictest743-21snmpd10:27:382
198919975,2cyclictest743-21snmpd09:55:062
198919975,2cyclictest743-21snmpd09:24:212
198919975,2cyclictest743-21snmpd09:05:362
198919975,2cyclictest743-21snmpd08:45:162
198919975,2cyclictest743-21snmpd07:19:052
198919974,3cyclictest30823-21ntp_states10:05:192
198839977,0cyclictest743-21snmpd11:05:251
198839977,0cyclictest743-21snmpd09:50:011
198839977,0cyclictest743-21snmpd07:55:031
198839977,0cyclictest741-21lldpd10:18:021
198839977,0cyclictest741-21lldpd09:56:341
198839976,1cyclictest421-21kworker/1:1+events08:21:411
198839976,1cyclictest18836-21gltestperf12:15:131
198839975,2cyclictest743-21snmpd07:47:271
198839975,2cyclictest743-21snmpd07:41:061
198839975,2cyclictest31876-21cat07:35:161
198809976,1cyclictest65850irq/126-lan09:20:190
198969966,0cyclictest522-21avahi-daemon07:36:453
198969966,0cyclictest27324-21gltestperf07:25:143
198969965,1cyclictest743-21snmpd10:39:003
198969965,1cyclictest743-21snmpd09:13:443
198969965,1cyclictest741-21lldpd09:31:303
198969965,1cyclictest741-21lldpd08:42:453
198969965,1cyclictest522-21avahi-daemon11:20:493
198969965,1cyclictest24361-21cat09:50:163
198969964,2cyclictest743-21snmpd10:53:423
198969964,2cyclictest743-21snmpd08:04:073
198969962,4cyclictest557-21NetworkManager08:18:133
198969962,3cyclictest14510-21ntpq08:10:173
198969962,3cyclictest11736-21grep08:05:163
198919966,0cyclictest741-21lldpd08:43:272
198919966,0cyclictest741-21lldpd08:35:312
198919966,0cyclictest24895-21gltestperf07:20:142
198919965,1cyclictest743-21snmpd07:36:152
198919965,1cyclictest522-21avahi-daemon10:48:582
198919965,1cyclictest522-21avahi-daemon10:22:062
198919965,1cyclictest522-21avahi-daemon10:03:192
198919964,2cyclictest743-21snmpd10:32:292
198919964,2cyclictest743-21snmpd07:46:482
198919963,2cyclictest743-21snmpd10:52:512
198919962,3cyclictest22850-21grep11:05:222
198839966,0cyclictest743-21snmpd12:02:291
198839966,0cyclictest743-21snmpd09:15:411
198839966,0cyclictest741-21lldpd11:34:231
198839966,0cyclictest741-21lldpd10:48:571
198839966,0cyclictest741-21lldpd09:30:101
198839965,1cyclictest421-21kworker/1:1+events09:05:191
198839963,2cyclictest8329-21grep11:50:131
198839962,3cyclictest1811-21fw_conntrack11:35:131
198969954,1cyclictest22653-21cpuspeed_turbos08:30:133
198969952,3cyclictest557-21NetworkManager11:01:163
198969952,2cyclictest3287-21cron07:45:003
198969950,4cyclictest2235-21ntpq11:35:163
198969950,2cyclictest506-21systemd-resolve10:04:473
198919955,0cyclictest743-21snmpd07:25:172
198919955,0cyclictest522-21avahi-daemon09:47:372
198919954,1cyclictest743-21snmpd09:02:232
198919954,1cyclictest31433-21ntpq08:50:162
198919953,2cyclictest743-21snmpd11:26:282
198919953,2cyclictest743-21snmpd07:33:052
198919952,3cyclictest557-21NetworkManager08:55:062
198919952,3cyclictest25653-21seq09:54:522
198919952,2cyclictest244-20systemd-journal09:10:302
198919951,3cyclictest6280-21ntpq11:45:162
198919951,3cyclictest23510-21grep08:30:192
198919951,3cyclictest12526-21awk08:05:212
198919950,4cyclictest20307-21ntpq09:40:152
198839955,0cyclictest743-21snmpd08:10:121
198839955,0cyclictest30199-21gltestperf11:25:141
198839955,0cyclictest10236-21latency10:35:151
198839955,0cyclictest0-21swapper/112:10:111
198839954,1cyclictest29949-21unixbench_singl08:45:201
198839954,1cyclictest19548-21cpuspeed_turbos09:40:111
198839954,1cyclictest14708-21fschecks_count12:05:121
198839954,1cyclictest11805-21cpuspeed_turbos10:40:141
198839953,2cyclictest743-21snmpd07:15:111
198839953,2cyclictest717-21ntpd12:39:571
198839953,1cyclictest321rcuc/111:00:121
198839952,3cyclictest557-21NetworkManager08:03:101
198839952,2cyclictest6326-21grep10:25:151
198839951,3cyclictest12723-21df09:25:111
198969944,0cyclictest0-21swapper/311:10:143
198969942,2cyclictest743-21snmpd08:50:053
198969942,2cyclictest12697-21cut09:25:113
198969941,2cyclictest11739-21cpu10:40:133
198969940,4cyclictest22757-21ntpq09:45:173
198919942,2cyclictest557-21NetworkManager09:15:002
198919942,2cyclictest24626-21apt-config12:30:002
198919941,2cyclictest20913-21sed08:25:142
198919940,4cyclictest20627-21ntpq11:00:162
198839942,2cyclictest717-21ntpd08:35:051
198839942,2cyclictest20918-21cat07:10:131
198839942,2cyclictest18074-21tail10:55:141
198839942,2cyclictest15663-21apt-get08:15:131
198839941,2cyclictest27883-21grep11:20:121
198839941,2cyclictest24906-21sed07:20:141
198839941,2cyclictest10748-21cut09:20:131
198839940,3cyclictest30703-21ntpq10:05:181
198919931,2cyclictest3540-21find11:40:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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