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2026-05-28 - 19:15

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 Thu May 28, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21968991918,1cyclictest65850irq/126-lan12:20:173
21968991918,1cyclictest65850irq/126-lan08:52:573
21963991919,0cyclictest13212-21cat09:25:122
21968991818,0cyclictest65850irq/126-lan09:07:323
21968991818,0cyclictest65850irq/126-lan09:00:113
21968991818,0cyclictest65850irq/126-lan08:36:463
21968991817,1cyclictest65850irq/126-lan12:35:043
21968991817,1cyclictest65850irq/126-lan11:05:203
21963991818,0cyclictest743-21snmpd12:35:532
21963991818,0cyclictest743-21snmpd12:18:402
21963991818,0cyclictest743-21snmpd12:02:402
21963991818,0cyclictest743-21snmpd11:39:242
21963991818,0cyclictest743-21snmpd10:22:242
21963991818,0cyclictest743-21snmpd09:56:402
21963991818,0cyclictest743-21snmpd09:53:462
21963991818,0cyclictest743-21snmpd07:42:272
21963991818,0cyclictest4805-21cat07:45:142
21968991717,0cyclictest65850irq/126-lan12:15:173
21968991716,1cyclictest65850irq/126-lan12:05:133
21968991716,1cyclictest65850irq/126-lan11:42:423
21968991716,1cyclictest65850irq/126-lan11:35:153
21968991716,1cyclictest65850irq/126-lan11:20:163
21968991716,1cyclictest65850irq/126-lan09:25:013
21968991716,1cyclictest65850irq/126-lan08:05:193
21968991716,1cyclictest65850irq/126-lan08:01:023
21963991717,0cyclictest743-21snmpd07:28:092
21968991616,0cyclictest65850irq/126-lan12:27:023
21968991616,0cyclictest65850irq/126-lan11:30:033
21968991616,0cyclictest65850irq/126-lan11:25:173
21968991616,0cyclictest65850irq/126-lan11:10:173
21968991616,0cyclictest65850irq/126-lan10:45:123
21968991616,0cyclictest65850irq/126-lan07:29:253
21968991615,1cyclictest65850irq/126-lan12:30:123
21968991615,1cyclictest65850irq/126-lan11:55:143
21968991615,1cyclictest65850irq/126-lan10:00:133
21968991615,1cyclictest65850irq/126-lan09:45:133
21968991615,1cyclictest65850irq/126-lan07:15:193
21968991515,0cyclictest65850irq/126-lan09:35:193
21968991515,0cyclictest65850irq/126-lan09:24:073
21968991515,0cyclictest65850irq/126-lan08:33:253
21968991514,1cyclictest65850irq/126-lan11:49:543
21968991514,1cyclictest65850irq/126-lan10:55:163
21968991514,1cyclictest65850irq/126-lan10:16:023
21968991514,1cyclictest65850irq/126-lan08:55:143
21968991514,1cyclictest65850irq/126-lan07:47:033
21968991514,1cyclictest65850irq/126-lan07:30:123
21968991514,1cyclictest65850irq/126-lan07:20:003
21968991514,1cyclictest65850irq/126-lan07:10:183
21963991515,0cyclictest743-21snmpd10:14:022
21968991414,0cyclictest65850irq/126-lan11:00:113
21968991414,0cyclictest65850irq/126-lan08:10:143
21968991414,0cyclictest65850irq/126-lan07:40:183
21968991413,1cyclictest65850irq/126-lan12:00:163
21968991413,1cyclictest65850irq/126-lan11:50:193
21968991413,1cyclictest65850irq/126-lan10:35:143
21968991413,1cyclictest65850irq/126-lan10:25:143
21968991413,1cyclictest65850irq/126-lan10:25:133
21968991413,1cyclictest65850irq/126-lan10:10:113
21968991413,1cyclictest65850irq/126-lan09:30:163
21968991413,1cyclictest65850irq/126-lan09:15:173
21968991413,1cyclictest65850irq/126-lan07:35:133
21968991412,1cyclictest65850irq/126-lan10:40:113
21968991313,0cyclictest65850irq/126-lan10:06:013
21968991312,1cyclictest65850irq/126-lan10:30:163
21968991312,1cyclictest65850irq/126-lan10:20:113
21968991312,1cyclictest65850irq/126-lan09:55:113
21968991312,1cyclictest65850irq/126-lan07:55:133
21963991313,0cyclictest743-21snmpd08:49:062
21968991212,0cyclictest65850irq/126-lan09:50:173
21968991211,1cyclictest65850irq/126-lan12:10:153
21968991211,1cyclictest65850irq/126-lan11:16:023
21968991211,1cyclictest65850irq/126-lan09:10:173
21968991211,1cyclictest65850irq/126-lan08:45:193
21968991211,1cyclictest65850irq/126-lan08:40:153
21968991211,1cyclictest65850irq/126-lan07:50:133
21968991110,1cyclictest65850irq/126-lan08:25:133
2196899109,1cyclictest65850irq/126-lan08:15:123
219689998,1cyclictest65850irq/126-lan10:50:093
219689998,1cyclictest65850irq/126-lan09:40:133
219639998,1cyclictest743-21snmpd07:51:572
219589998,1cyclictest743-21snmpd12:29:071
219589998,1cyclictest743-21snmpd11:14:191
219589998,1cyclictest743-21snmpd09:21:001
219589998,1cyclictest743-21snmpd07:56:331
219589998,1cyclictest743-21snmpd07:38:231
219509998,1cyclictest743-21snmpd10:37:520
219509998,1cyclictest743-21snmpd10:08:180
219509998,1cyclictest743-21snmpd09:28:180
219509998,1cyclictest743-21snmpd09:17:040
219689988,0cyclictest65850irq/126-lan08:20:153
219639988,0cyclictest741-21lldpd11:57:472
219639988,0cyclictest741-21lldpd11:45:592
219639988,0cyclictest741-21lldpd10:31:302
219639988,0cyclictest741-21lldpd08:23:292
219639988,0cyclictest741-21lldpd07:13:172
219639987,1cyclictest743-21snmpd07:38:022
219639987,1cyclictest743-21snmpd07:19:412
219639986,2cyclictest743-21snmpd12:32:022
219639985,2cyclictest743-21snmpd07:30:092
219589988,0cyclictest743-21snmpd12:01:371
219589988,0cyclictest743-21snmpd08:47:421
219589988,0cyclictest741-21lldpd12:09:131
219589988,0cyclictest741-21lldpd11:31:491
219589988,0cyclictest741-21lldpd10:32:381
219589988,0cyclictest741-21lldpd10:27:381
219589988,0cyclictest741-21lldpd10:27:371
219589988,0cyclictest741-21lldpd07:34:031
219589987,1cyclictest743-21snmpd10:15:481
219589987,1cyclictest743-21snmpd08:29:281
219589986,2cyclictest743-21snmpd11:36:361
219589986,2cyclictest743-21snmpd10:04:231
219589986,2cyclictest743-21snmpd09:42:431
219589986,2cyclictest743-21snmpd09:25:271
219589986,2cyclictest743-21snmpd09:08:531
219589986,2cyclictest743-21snmpd08:50:051
219589986,2cyclictest26467-21cat12:35:141
219509988,0cyclictest743-21snmpd12:21:430
219509988,0cyclictest741-21lldpd12:26:440
219509988,0cyclictest741-21lldpd10:57:170
219509988,0cyclictest741-21lldpd09:57:560
219509988,0cyclictest741-21lldpd08:01:100
219509987,1cyclictest741-21lldpd09:50:330
219509987,1cyclictest741-21lldpd08:37:110
219509987,1cyclictest741-21lldpd08:16:220
219509987,1cyclictest522-21avahi-daemon09:30:200
219509986,2cyclictest743-21snmpd11:26:370
219509986,2cyclictest743-21snmpd08:56:110
219509986,2cyclictest743-21snmpd07:19:450
219639977,0cyclictest743-21snmpd09:22:332
219639977,0cyclictest741-21lldpd11:20:052
219639977,0cyclictest741-21lldpd11:12:142
219639976,1cyclictest743-21snmpd09:09:352
219639976,1cyclictest743-21snmpd08:55:182
219639975,2cyclictest743-21snmpd10:25:302
219639975,2cyclictest743-21snmpd10:25:292
219639975,2cyclictest743-21snmpd08:33:172
219639972,5cyclictest557-21NetworkManager10:45:292
219589977,0cyclictest743-21snmpd10:54:271
219589977,0cyclictest743-21snmpd08:58:411
219589977,0cyclictest743-21snmpd07:10:561
219589977,0cyclictest741-21lldpd11:18:501
219589977,0cyclictest741-21lldpd09:31:211
219589977,0cyclictest741-21lldpd08:11:451
219589977,0cyclictest506-21systemd-resolve07:40:011
219589976,1cyclictest743-21snmpd11:43:411
219589976,1cyclictest743-21snmpd08:23:431
219589976,1cyclictest741-21lldpd08:01:081
219589976,1cyclictest27320-21cpuspeed_turbos11:20:121
219589975,2cyclictest743-21snmpd11:45:031
219589975,2cyclictest743-21snmpd10:11:291
219589975,2cyclictest743-21snmpd09:11:051
219589975,2cyclictest743-21snmpd08:19:081
219589975,2cyclictest743-21snmpd08:09:001
219589975,2cyclictest743-21snmpd07:23:561
219589974,2cyclictest19173-21cat11:00:131
219509977,0cyclictest743-21snmpd09:42:160
219509977,0cyclictest743-21snmpd09:20:550
219509977,0cyclictest741-21lldpd12:36:240
219509977,0cyclictest741-21lldpd11:23:230
219509977,0cyclictest741-21lldpd08:30:100
219509977,0cyclictest741-21lldpd08:26:130
219509976,1cyclictest7522-21cpuspeed_turbos11:50:120
219509976,1cyclictest743-21snmpd10:43:510
219509976,1cyclictest743-21snmpd10:28:180
219509976,1cyclictest743-21snmpd10:28:170
219509976,1cyclictest741-21lldpd12:01:450
219509976,1cyclictest10551-21needreboot11:55:120
219509975,2cyclictest743-21snmpd10:00:260
219509975,2cyclictest743-21snmpd09:03:540
219509975,2cyclictest743-21snmpd07:34:240
219509975,2cyclictest743-21snmpd07:20:080
219509973,3cyclictest18802-21fw_packets08:20:130
219639966,0cyclictest741-21lldpd10:38:152
219639966,0cyclictest741-21lldpd08:13:482
219639966,0cyclictest741-21lldpd08:02:582
219639966,0cyclictest522-21avahi-daemon11:02:392
219639965,1cyclictest743-21snmpd11:43:532
219639965,1cyclictest743-21snmpd10:51:242
219639965,1cyclictest743-21snmpd09:39:422
219639965,1cyclictest741-21lldpd09:45:052
219639965,1cyclictest19184-21gltestperf09:40:132
219639964,2cyclictest743-21snmpd11:30:242
219639964,2cyclictest743-21snmpd10:41:582
219639964,2cyclictest743-21snmpd10:17:422
219639963,3cyclictest717-21ntpd10:05:092
219639963,3cyclictest15596-21ntpq09:30:172
219639962,3cyclictest17749-21grep10:55:202
219589966,0cyclictest743-21snmpd07:45:511
219589966,0cyclictest741-21lldpd11:55:101
219589966,0cyclictest741-21lldpd10:42:181
219589966,0cyclictest741-21lldpd09:48:411
219589966,0cyclictest741-21lldpd09:37:571
219589966,0cyclictest522-21avahi-daemon07:53:301
219589965,1cyclictest743-21snmpd09:55:461
219589965,1cyclictest743-21snmpd09:01:121
219589965,1cyclictest522-21avahi-daemon10:47:451
219589965,1cyclictest29228-21gltestperf10:05:121
219589964,2cyclictest17950-21apt-get12:15:111
219589962,3cyclictest23085-21cat08:30:141
219509966,0cyclictest743-21snmpd12:05:490
219509966,0cyclictest741-21lldpd09:07:380
219509966,0cyclictest522-21avahi-daemon09:13:070
219509965,1cyclictest743-21snmpd11:35:570
219509965,1cyclictest24953-21turbostat11:15:000
219509964,2cyclictest743-21snmpd10:18:210
219509962,3cyclictest31648-21ntpq10:10:140
219509961,5cyclictest557-21NetworkManager07:14:320
219639955,0cyclictest741-21lldpd08:52:052
219639955,0cyclictest522-21avahi-daemon07:56:012
219639954,1cyclictest743-21snmpd12:26:012
219639954,1cyclictest2254-21kworker/2:2+events_freezable_pwr_efficient10:03:002
219639954,1cyclictest2254-21kworker/2:2+events_freezable_pwr_efficient08:35:082
219639954,1cyclictest16746-21ntpq12:10:162
219639954,1cyclictest12516-21cpuspeed_turbos08:05:112
219639953,2cyclictest743-21snmpd12:20:282
219639953,2cyclictest717-21ntpd11:53:392
219639953,2cyclictest717-21ntpd09:01:032
219639953,2cyclictest717-21ntpd08:25:022
219639953,2cyclictest557-21NetworkManager09:15:162
219639953,2cyclictest31190-21sed11:30:012
219639952,2cyclictest717-21ntpd07:20:182
219639952,1cyclictest191rcu_preempt11:15:172
219639951,3cyclictest22303-21timerandwakeup11:05:192
219639950,4cyclictest17319-21ntpq08:15:172
219589955,0cyclictest743-21snmpd07:27:151
219589954,1cyclictest8577-21fschecks_time09:15:131
219589954,1cyclictest522-21avahi-daemon12:32:521
219589954,1cyclictest522-21avahi-daemon12:14:311
219589953,2cyclictest743-21snmpd10:57:041
219589952,3cyclictest743-21snmpd08:37:461
219589952,2cyclictest3312-21ntpq10:20:161
219589952,2cyclictest24622-21kernelversion07:15:151
219589952,2cyclictest244-20systemd-journal12:20:281
219589952,2cyclictest22529-21head11:05:201
219589951,4cyclictest557-21NetworkManager09:54:121
219589951,3cyclictest30568-21sed11:25:191
219509955,0cyclictest743-21snmpd08:40:070
219509955,0cyclictest741-21lldpd11:43:060
219509955,0cyclictest741-21lldpd11:30:170
219509955,0cyclictest741-21lldpd10:51:500
219509954,1cyclictest743-21snmpd10:34:280
219509954,1cyclictest7259-21nvmesmart_nvme007:50:160
219509954,1cyclictest4360-21munin-run10:25:010
219509954,1cyclictest16143-21fschecks_count12:10:110
219509953,2cyclictest743-21snmpd08:51:030
219509953,2cyclictest743-21snmpd08:05:510
219509953,2cyclictest557-21NetworkManager09:39:040
219509953,2cyclictest21285-21cat09:45:150
219509952,3cyclictest25656-21cat11:15:150
219509952,2cyclictest30369-21grep08:50:010
219509952,2cyclictest244-20systemd-journal07:44:400
219509952,2cyclictest18622-21cut12:15:140
219509951,4cyclictest557-21NetworkManager11:09:450
219639943,1cyclictest0-21swapper/212:05:112
219639941,2cyclictest7133-21ntp_states09:10:162
219639941,2cyclictest26867-21tune2fs08:40:132
219589942,2cyclictest743-21snmpd11:52:211
219589941,2cyclictest26920-21gltestperf08:40:121
219589940,4cyclictest9468-21ntpq10:35:141
219509942,2cyclictest8723-21head07:55:130
219509942,2cyclictest557-21NetworkManager12:34:470
219509941,2cyclictest4610-21cut07:45:130
219509941,2cyclictest19002-21tune2fs11:00:120
219509941,2cyclictest15254-21ld08:10:150
219509940,4cyclictest990-21ntpq07:35:130
219509940,4cyclictest13500-21ntpq10:45:160
219509940,3cyclictest6177-21ntpq11:45:140
219509940,3cyclictest28804-21diskstats07:25:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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