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2026-06-20 - 00:51

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 Jun 19, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24287991918,1cyclictest65850irq/126-lan09:30:150
24287991818,0cyclictest65850irq/126-lan10:08:440
24287991818,0cyclictest65850irq/126-lan08:55:130
24287991817,1cyclictest65850irq/126-lan12:00:140
24287991817,1cyclictest65850irq/126-lan10:10:160
24287991817,1cyclictest65850irq/126-lan08:41:110
24287991817,1cyclictest65850irq/126-lan08:32:200
24287991717,0cyclictest65850irq/126-lan09:40:140
24287991717,0cyclictest65850irq/126-lan09:03:280
24287991716,1cyclictest65850irq/126-lan12:25:120
24287991716,1cyclictest65850irq/126-lan11:45:120
24287991716,1cyclictest65850irq/126-lan11:05:000
24287991716,1cyclictest65850irq/126-lan08:20:190
24287991716,1cyclictest65850irq/126-lan08:00:130
24287991716,1cyclictest65850irq/126-lan07:40:140
24287991616,0cyclictest65850irq/126-lan11:50:150
24287991616,0cyclictest65850irq/126-lan11:35:150
24287991616,0cyclictest65850irq/126-lan11:30:140
24287991616,0cyclictest65850irq/126-lan10:55:140
24287991616,0cyclictest65850irq/126-lan10:45:150
24287991616,0cyclictest65850irq/126-lan09:10:210
24287991616,0cyclictest65850irq/126-lan08:10:140
24287991616,0cyclictest65850irq/126-lan07:30:220
24287991615,1cyclictest65850irq/126-lan11:42:230
24287991615,1cyclictest65850irq/126-lan10:40:220
24287991615,1cyclictest65850irq/126-lan08:15:170
24287991615,1cyclictest65850irq/126-lan07:15:000
24287991515,0cyclictest65850irq/126-lan12:35:120
24287991514,1cyclictest65850irq/126-lan12:05:140
24287991514,1cyclictest65850irq/126-lan12:05:130
24287991514,1cyclictest65850irq/126-lan11:25:120
24287991514,1cyclictest65850irq/126-lan11:00:120
24287991514,1cyclictest65850irq/126-lan10:15:180
24287991514,1cyclictest65850irq/126-lan09:25:160
24287991514,1cyclictest65850irq/126-lan08:25:190
24287991514,1cyclictest65850irq/126-lan07:25:110
24287991414,0cyclictest65850irq/126-lan10:25:160
24287991414,0cyclictest65850irq/126-lan08:45:200
24287991413,1cyclictest65850irq/126-lan12:30:130
24287991413,1cyclictest65850irq/126-lan12:17:000
24287991413,1cyclictest65850irq/126-lan11:10:120
24287991413,1cyclictest65850irq/126-lan09:45:210
24287991413,1cyclictest65850irq/126-lan09:05:140
24287991413,1cyclictest65850irq/126-lan08:35:180
24287991413,1cyclictest65850irq/126-lan07:55:200
24287991313,0cyclictest65850irq/126-lan11:23:310
24287991313,0cyclictest65850irq/126-lan10:00:130
24287991313,0cyclictest65850irq/126-lan09:21:200
24287991312,1cyclictest65850irq/126-lan12:20:120
24287991312,1cyclictest65850irq/126-lan10:35:160
24287991312,1cyclictest65850irq/126-lan09:55:180
24287991312,1cyclictest65850irq/126-lan09:50:120
24287991312,1cyclictest65850irq/126-lan07:20:160
24287991212,0cyclictest65850irq/126-lan11:55:200
24287991212,0cyclictest65850irq/126-lan11:19:050
24287991212,0cyclictest65850irq/126-lan10:23:590
24287991212,0cyclictest65850irq/126-lan08:50:150
24287991211,1cyclictest65850irq/126-lan12:10:110
24287991111,0cyclictest65850irq/126-lan09:15:170
24287991111,0cyclictest65850irq/126-lan08:06:360
24287991110,1cyclictest65850irq/126-lan07:45:030
2428799109,1cyclictest65850irq/126-lan07:15:000
243049998,1cyclictest743-21snmpd10:32:293
243049998,1cyclictest743-21snmpd07:51:573
243049996,2cyclictest743-21snmpd09:35:153
242999998,1cyclictest743-21snmpd11:36:372
242999998,1cyclictest743-21snmpd10:17:562
242959998,1cyclictest743-21snmpd07:33:051
242879999,0cyclictest65850irq/126-lan10:30:150
242879999,0cyclictest65850irq/126-lan09:35:130
242879998,1cyclictest65850irq/126-lan07:35:150
243049988,0cyclictest743-21snmpd10:08:313
243049988,0cyclictest741-21lldpd11:20:223
243049988,0cyclictest741-21lldpd10:46:253
243049988,0cyclictest741-21lldpd08:17:303
243049988,0cyclictest741-21lldpd08:07:113
243049988,0cyclictest741-21lldpd07:29:383
243049987,1cyclictest743-21snmpd09:19:543
243049987,1cyclictest741-21lldpd11:17:293
243049987,1cyclictest28266-21cut07:20:003
243049986,2cyclictest743-21snmpd10:26:143
243049986,2cyclictest743-21snmpd09:06:263
243049986,2cyclictest15562-21cat09:25:143
242999988,0cyclictest743-21snmpd12:05:252
242999988,0cyclictest743-21snmpd12:05:252
242999988,0cyclictest743-21snmpd11:55:012
242999988,0cyclictest741-21lldpd11:50:052
242999988,0cyclictest741-21lldpd09:24:052
242999988,0cyclictest741-21lldpd08:25:022
242999988,0cyclictest741-21lldpd08:02:472
242999987,1cyclictest743-21snmpd12:29:142
242999987,1cyclictest743-21snmpd11:45:262
242999987,1cyclictest743-21snmpd11:32:492
242999987,1cyclictest743-21snmpd10:49:572
242999987,1cyclictest743-21snmpd10:10:372
242999987,1cyclictest743-21snmpd09:16:502
242999987,1cyclictest743-21snmpd09:03:142
242999987,1cyclictest743-21snmpd07:14:132
242999987,1cyclictest741-21lldpd07:33:452
242999986,2cyclictest743-21snmpd12:23:202
242999986,2cyclictest743-21snmpd12:00:562
242999986,2cyclictest743-21snmpd10:41:592
242999986,2cyclictest743-21snmpd09:56:222
242999986,2cyclictest743-21snmpd09:53:402
242999986,2cyclictest743-21snmpd09:45:002
242999986,2cyclictest743-21snmpd08:52:022
242999986,2cyclictest743-21snmpd07:58:452
242999986,2cyclictest31400-21cat07:25:112
242959988,0cyclictest743-21snmpd10:12:491
242959988,0cyclictest743-21snmpd09:37:241
242959988,0cyclictest743-21snmpd08:06:061
242959988,0cyclictest741-21lldpd09:57:251
242959988,0cyclictest741-21lldpd09:43:551
242959987,1cyclictest743-21snmpd12:32:451
242959987,1cyclictest743-21snmpd12:00:011
242959987,1cyclictest743-21snmpd07:40:411
242959986,2cyclictest743-21snmpd11:28:031
242959986,2cyclictest743-21snmpd09:52:341
242959986,2cyclictest4533-21cat11:35:131
243049977,0cyclictest741-21lldpd10:40:443
243049977,0cyclictest741-21lldpd10:35:203
243049977,0cyclictest741-21lldpd09:22:213
243049977,0cyclictest741-21lldpd07:42:593
243049976,1cyclictest743-21snmpd09:41:513
243049976,1cyclictest741-21lldpd12:11:223
243049976,1cyclictest741-21lldpd10:12:353
243049976,1cyclictest650-21cpuspeed_turbos07:30:123
243049976,1cyclictest522-21avahi-daemon08:37:273
243049976,1cyclictest28877-21latency12:35:153
243049976,1cyclictest22384-21cpuspeed_turbos12:20:113
243049976,1cyclictest1825-21sh11:30:003
243049976,1cyclictest12849-21cpuspeed_turbos08:00:113
243049975,2cyclictest743-21snmpd11:14:363
243049975,2cyclictest743-21snmpd09:12:443
243049975,2cyclictest29695-21cat10:00:143
243049975,2cyclictest11173-21cat07:55:133
243049973,4cyclictest557-21NetworkManager10:50:173
242999977,0cyclictest743-21snmpd11:26:182
242999977,0cyclictest743-21snmpd10:26:412
242999977,0cyclictest743-21snmpd08:22:162
242999977,0cyclictest743-21snmpd08:05:092
242999977,0cyclictest741-21lldpd12:13:292
242999977,0cyclictest741-21lldpd11:15:192
242999977,0cyclictest741-21lldpd07:52:512
242999976,1cyclictest743-21snmpd12:37:172
242999976,1cyclictest743-21snmpd08:34:192
242999976,1cyclictest743-21snmpd07:39:172
242999976,1cyclictest741-21lldpd09:05:082
242999976,1cyclictest522-21avahi-daemon09:34:222
242999975,2cyclictest743-21snmpd11:40:282
242999975,2cyclictest743-21snmpd08:10:452
242999974,2cyclictest743-21snmpd08:40:012
242959977,0cyclictest743-21snmpd12:17:541
242959977,0cyclictest743-21snmpd09:26:001
242959977,0cyclictest741-21lldpd11:59:391
242959977,0cyclictest741-21lldpd10:29:421
242959977,0cyclictest741-21lldpd08:00:051
242959976,1cyclictest9296-21fschecks_time09:10:131
242959976,1cyclictest743-21snmpd11:51:101
242959976,1cyclictest743-21snmpd11:49:591
242959976,1cyclictest743-21snmpd10:04:521
242959976,1cyclictest743-21snmpd07:22:261
242959976,1cyclictest24600-21kworker/1:2+events12:08:531
242959976,1cyclictest24600-21kworker/1:2+events12:08:531
242959976,1cyclictest24595-21fschecks_count11:05:111
242959976,1cyclictest244-20systemd-journal10:45:151
242959976,1cyclictest24133-21cut11:05:001
242959975,2cyclictest743-21snmpd10:06:191
242959975,2cyclictest743-21snmpd08:15:001
242879976,1cyclictest65850irq/126-lan10:50:100
242879976,1cyclictest65850irq/126-lan07:50:180
243049966,0cyclictest743-21snmpd07:48:413
243049966,0cyclictest743-21snmpd07:37:413
243049966,0cyclictest743-21snmpd07:14:523
243049966,0cyclictest741-21lldpd08:41:183
243049966,0cyclictest506-21systemd-resolve12:33:283
243049965,1cyclictest743-21snmpd08:55:593
243049965,1cyclictest743-21snmpd08:13:423
243049965,1cyclictest741-21lldpd10:22:053
243049965,1cyclictest522-21avahi-daemon08:46:233
243049964,2cyclictest743-21snmpd11:35:193
243049964,2cyclictest743-21snmpd08:30:403
243049963,2cyclictest17104-21cron09:30:003
243049962,3cyclictest23446-21df_inode08:25:123
242999966,0cyclictest743-21snmpd08:47:442
242999966,0cyclictest24115-21sh11:05:012
242999965,1cyclictest743-21snmpd10:31:422
242999965,1cyclictest522-21avahi-daemon09:42:482
242999965,1cyclictest15561-21cat09:25:142
242999964,2cyclictest743-21snmpd09:14:082
242999964,2cyclictest743-21snmpd07:46:592
242999963,3cyclictest19422-21perl09:35:122
242999962,3cyclictest21374-21grep10:55:192
242959966,0cyclictest741-21lldpd11:11:541
242959966,0cyclictest741-21lldpd10:22:531
242959966,0cyclictest741-21lldpd09:16:081
242959966,0cyclictest741-21lldpd08:46:181
242959966,0cyclictest741-21lldpd08:11:011
242959966,0cyclictest741-21lldpd07:52:011
242959965,1cyclictest743-21snmpd10:36:471
242959965,1cyclictest741-21lldpd08:32:481
242959964,2cyclictest743-21snmpd12:22:201
242959963,2cyclictest3687-21sed07:35:221
242959961,5cyclictest557-21NetworkManager07:56:001
243049955,0cyclictest743-21snmpd11:01:433
243049955,0cyclictest0-21swapper/312:15:243
243049953,2cyclictest8577-21cat11:45:143
243049953,2cyclictest743-21snmpd10:58:213
243049953,2cyclictest743-21snmpd09:57:463
243049953,2cyclictest557-21NetworkManager10:15:223
243049952,3cyclictest743-21snmpd08:20:133
243049952,3cyclictest7401-21grep11:40:203
243049952,2cyclictest13458-21grep11:55:213
242999953,2cyclictest557-21NetworkManager10:20:082
242999953,2cyclictest31299-21ntpq11:20:172
242999953,2cyclictest30123-21ntpq10:00:182
242999953,2cyclictest26948-21cat07:15:142
242999952,3cyclictest557-21NetworkManager08:35:172
242999952,2cyclictest575-21rs:main2
242999952,2cyclictest5321-21uname07:40:152
242999952,2cyclictest31508-21fschecks_time10:05:122
242999952,2cyclictest27557-21sed12:30:192
242999952,2cyclictest27178-21ld11:10:152
242999952,2cyclictest24453-21cat11:05:102
242999952,2cyclictest20963-21netstat12:15:162
242999952,2cyclictest19665-21ntpq08:15:172
242999952,2cyclictest11438-21cpu10:35:112
242959955,0cyclictest743-21snmpd12:28:261
242959955,0cyclictest741-21lldpd10:51:441
242959955,0cyclictest573-21in:imuxsock10:34:171
242959955,0cyclictest522-21avahi-daemon09:23:401
242959955,0cyclictest522-21avahi-daemon08:37:391
242959955,0cyclictest522-21avahi-daemon07:12:121
242959954,1cyclictest7440-21ntpq07:45:171
242959954,1cyclictest573-21in:imuxsock08:51:351
242959954,1cyclictest522-21avahi-daemon12:13:281
242959954,1cyclictest5109-21cpuspeed_turbos09:00:131
242959953,2cyclictest743-21snmpd09:30:281
242959953,2cyclictest743-21snmpd07:25:201
242959953,2cyclictest21849-21sshd08:20:201
242959952,2cyclictest3301-21grep08:55:131
242959952,2cyclictest244-20systemd-journal10:57:371
242959951,4cyclictest557-21NetworkManager07:15:041
242959951,3cyclictest7382-21grep11:40:191
242959951,3cyclictest3637-21sed10:15:171
242959951,3cyclictest30768-21seq08:40:591
243049944,0cyclictest24040-21ntpq09:45:173
243049943,1cyclictest743-21snmpd12:03:023
243049942,2cyclictest28973-21grep07:20:123
243049942,2cyclictest2237-21sed08:50:213
243049942,2cyclictest2073-21acpi11:30:113
243049941,2cyclictest24974-21cat11:05:133
243049941,2cyclictest24782-21awk12:25:143
243049941,2cyclictest17127-21awk12:05:193
243049941,2cyclictest17127-21awk12:05:193
243049941,2cyclictest11342-21wc11:50:203
242999943,1cyclictest0-21swapper/207:20:232
242999942,1cyclictest18990-21strings10:50:142
242959943,1cyclictest24600-21kworker/1:2+events11:15:131
242959943,1cyclictest24600-21kworker/1:2+events09:47:581
242959943,1cyclictest24600-21kworker/1:2+events09:06:271
242959942,2cyclictest743-21snmpd08:26:461
242959941,3cyclictest557-21NetworkManager12:35:081
242959941,2cyclictest3257-21timerwakeupswit11:30:211
242959941,2cyclictest31197-21ldconfig11:20:161
242959940,3cyclictest13722-21/usr/sbin/munin10:40:121
243049930,3cyclictest25678-21irqstats09:50:153
243049930,2cyclictest5175-21tr09:00:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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