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2026-05-31 - 20:19

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 Sun May 31, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16209991918,1cyclictest65850irq/126-lan12:15:161
16209991918,1cyclictest65850irq/126-lan10:10:341
16209991818,0cyclictest65850irq/126-lan12:20:021
16209991818,0cyclictest65850irq/126-lan08:56:011
16209991817,1cyclictest65850irq/126-lan11:55:001
16209991817,1cyclictest65850irq/126-lan11:05:151
16209991817,1cyclictest65850irq/126-lan11:04:091
16209991817,1cyclictest65850irq/126-lan09:35:011
16209991817,1cyclictest65850irq/126-lan08:05:361
16209991817,1cyclictest65850irq/126-lan07:47:341
16209991717,0cyclictest65850irq/126-lan10:30:351
16209991717,0cyclictest65850irq/126-lan09:50:161
16209991716,1cyclictest65850irq/126-lan12:05:171
16209991716,1cyclictest65850irq/126-lan11:15:131
16209991716,1cyclictest65850irq/126-lan10:40:321
16209991716,1cyclictest65850irq/126-lan09:20:131
16209991716,1cyclictest65850irq/126-lan08:20:191
16209991616,0cyclictest65850irq/126-lan09:40:151
16209991616,0cyclictest65850irq/126-lan09:10:191
16209991616,0cyclictest65850irq/126-lan08:00:221
16209991615,1cyclictest65850irq/126-lan11:35:001
16209991615,1cyclictest65850irq/126-lan10:15:161
16209991615,1cyclictest65850irq/126-lan09:55:151
16209991615,1cyclictest65850irq/126-lan08:45:131
16209991615,1cyclictest65850irq/126-lan08:10:191
16209991615,1cyclictest65850irq/126-lan07:35:131
16209991615,1cyclictest65850irq/126-lan07:25:341
16209991515,0cyclictest65850irq/126-lan11:25:151
16209991515,0cyclictest65850irq/126-lan10:45:121
16209991515,0cyclictest65850irq/126-lan09:45:131
16209991515,0cyclictest65850irq/126-lan09:26:421
16209991515,0cyclictest65850irq/126-lan09:15:111
16209991515,0cyclictest65850irq/126-lan08:40:211
16209991515,0cyclictest65850irq/126-lan08:35:121
16209991515,0cyclictest65850irq/126-lan08:30:151
16209991515,0cyclictest65850irq/126-lan07:10:141
16209991514,1cyclictest65850irq/126-lan12:25:181
16209991514,1cyclictest65850irq/126-lan11:45:141
16209991514,1cyclictest65850irq/126-lan11:10:121
16209991514,1cyclictest65850irq/126-lan10:10:001
16209991514,1cyclictest65850irq/126-lan09:05:181
16209991514,1cyclictest65850irq/126-lan08:15:211
16209991514,1cyclictest65850irq/126-lan07:55:191
16209991414,0cyclictest65850irq/126-lan12:10:201
16209991414,0cyclictest65850irq/126-lan09:30:101
16209991414,0cyclictest65850irq/126-lan08:54:351
16209991414,0cyclictest65850irq/126-lan07:30:191
16209991413,1cyclictest65850irq/126-lan12:38:251
16209991413,1cyclictest65850irq/126-lan12:00:131
16209991413,1cyclictest65850irq/126-lan11:35:231
16209991413,1cyclictest65850irq/126-lan11:20:191
16209991413,1cyclictest65850irq/126-lan09:00:151
16209991313,0cyclictest65850irq/126-lan10:25:391
16209991313,0cyclictest65850irq/126-lan07:20:141
16209991312,1cyclictest65850irq/126-lan12:32:231
16209991211,1cyclictest65850irq/126-lan08:25:141
16209991211,1cyclictest65850irq/126-lan07:50:121
16209991111,0cyclictest65850irq/126-lan11:50:191
16209991111,0cyclictest65850irq/126-lan11:40:151
16209991111,0cyclictest65850irq/126-lan07:40:151
1620999109,1cyclictest65850irq/126-lan10:00:131
1620199107,2cyclictest831-21grep09:10:130
162219998,1cyclictest743-21snmpd09:24:433
162219998,1cyclictest741-21lldpd10:43:183
162219998,1cyclictest741-21lldpd07:35:193
162219998,1cyclictest10449-21munin-plugin-st08:15:013
162219996,3cyclictest743-21snmpd10:15:533
162219995,3cyclictest23217-21grep07:25:143
162159998,1cyclictest743-21snmpd12:28:062
162159998,1cyclictest743-21snmpd10:24:152
162159998,1cyclictest743-21snmpd08:22:192
162159998,1cyclictest743-21snmpd08:06:592
162159998,1cyclictest741-21lldpd12:16:362
162159998,1cyclictest741-21lldpd07:27:272
162099998,1cyclictest65850irq/126-lan10:56:471
162019998,1cyclictest743-21snmpd10:53:160
162019998,1cyclictest743-21snmpd09:54:380
162019998,1cyclictest743-21snmpd09:27:340
162019998,1cyclictest743-21snmpd07:36:210
162219988,0cyclictest743-21snmpd08:08:023
162219988,0cyclictest741-21lldpd12:35:223
162219988,0cyclictest741-21lldpd12:26:463
162219988,0cyclictest741-21lldpd12:10:463
162219988,0cyclictest741-21lldpd12:00:473
162219988,0cyclictest741-21lldpd10:22:543
162219988,0cyclictest741-21lldpd09:46:153
162219988,0cyclictest741-21lldpd07:53:143
162219987,1cyclictest743-21snmpd07:18:413
162219987,1cyclictest741-21lldpd11:52:593
162219986,2cyclictest743-21snmpd11:38:413
162219986,2cyclictest743-21snmpd08:54:153
162219986,2cyclictest743-21snmpd07:45:463
162219986,2cyclictest717-21ntpd09:31:083
162219986,2cyclictest717-21ntpd07:22:283
162159988,0cyclictest743-21snmpd12:38:432
162159988,0cyclictest741-21lldpd11:58:372
162159988,0cyclictest741-21lldpd09:57:592
162159987,1cyclictest741-21lldpd11:31:292
162159987,1cyclictest741-21lldpd11:01:062
162159987,1cyclictest741-21lldpd10:48:062
162159986,2cyclictest743-21snmpd12:21:152
162159986,2cyclictest743-21snmpd12:06:452
162159986,2cyclictest743-21snmpd11:42:232
162159986,2cyclictest743-21snmpd09:52:472
162159986,2cyclictest743-21snmpd09:48:022
162159986,2cyclictest743-21snmpd08:46:242
162099987,1cyclictest65850irq/126-lan10:20:191
162019988,0cyclictest743-21snmpd12:29:570
162019988,0cyclictest743-21snmpd12:20:130
162019988,0cyclictest743-21snmpd12:10:300
162019988,0cyclictest741-21lldpd09:38:290
162019988,0cyclictest741-21lldpd08:30:380
162019987,1cyclictest743-21snmpd08:36:210
162019987,1cyclictest743-21snmpd07:50:540
162019986,2cyclictest743-21snmpd11:49:440
162019986,2cyclictest743-21snmpd11:43:500
162019986,2cyclictest743-21snmpd11:36:500
162019986,2cyclictest743-21snmpd11:30:020
162019986,2cyclictest743-21snmpd11:25:500
162019986,2cyclictest743-21snmpd11:11:040
162019986,2cyclictest743-21snmpd10:43:120
162019986,2cyclictest743-21snmpd10:23:150
162019986,2cyclictest743-21snmpd09:05:360
162019986,2cyclictest743-21snmpd08:57:390
162019986,2cyclictest743-21snmpd07:22:580
162019986,2cyclictest23262-21cat08:45:140
162219977,0cyclictest743-21snmpd12:05:303
162219977,0cyclictest743-21snmpd09:29:403
162219977,0cyclictest741-21lldpd10:25:483
162219977,0cyclictest741-21lldpd08:23:123
162219977,0cyclictest741-21lldpd07:55:023
162219976,1cyclictest743-21snmpd10:04:293
162219975,2cyclictest743-21snmpd11:24:583
162219975,2cyclictest743-21snmpd10:56:043
162219975,2cyclictest743-21snmpd10:39:423
162219975,2cyclictest743-21snmpd08:48:573
162219975,2cyclictest717-21ntpd09:01:313
162219975,2cyclictest717-21ntpd08:31:513
162159977,0cyclictest743-21snmpd12:34:452
162159977,0cyclictest743-21snmpd07:21:302
162159977,0cyclictest743-21snmpd07:10:062
162159977,0cyclictest741-21lldpd07:37:062
162159977,0cyclictest522-21avahi-daemon11:27:402
162159976,1cyclictest743-21snmpd12:01:182
162159976,1cyclictest743-21snmpd11:47:112
162159976,1cyclictest743-21snmpd09:10:362
162159976,1cyclictest743-21snmpd07:34:372
162159976,1cyclictest573-21in:imuxsock11:20:102
162159975,2cyclictest743-21snmpd11:14:372
162159975,2cyclictest743-21snmpd10:03:502
162159975,2cyclictest743-21snmpd08:41:302
162159975,2cyclictest23603-21cat10:05:152
162159975,2cyclictest15205-21cat08:25:152
162099976,1cyclictest65850irq/126-lan07:15:161
162099975,2cyclictest743-21snmpd10:50:241
162019977,0cyclictest743-21snmpd09:30:010
162019977,0cyclictest743-21snmpd08:43:390
162019977,0cyclictest741-21lldpd11:06:350
162019977,0cyclictest741-21lldpd07:34:330
162019977,0cyclictest522-21avahi-daemon11:00:550
162019976,1cyclictest743-21snmpd10:36:300
162019976,1cyclictest743-21snmpd10:01:500
162019976,1cyclictest743-21snmpd07:10:450
162019976,1cyclictest741-21lldpd07:55:080
162019976,1cyclictest522-21avahi-daemon10:31:320
162019976,1cyclictest522-21avahi-daemon07:40:030
162019975,2cyclictest743-21snmpd11:24:550
162019975,2cyclictest743-21snmpd09:41:160
162019975,2cyclictest743-21snmpd08:51:090
162219966,0cyclictest741-21lldpd12:31:123
162219966,0cyclictest741-21lldpd11:17:353
162219966,0cyclictest741-21lldpd08:04:143
162219965,1cyclictest741-21lldpd09:41:193
162219965,1cyclictest717-21ntpd08:29:513
162219965,1cyclictest573-21in:imuxsock11:34:063
162219965,1cyclictest4105-21cpuspeed_turbos11:55:123
162219965,1cyclictest31110-21fschecks_count09:05:123
162219965,1cyclictest13856-21dump-pmu-power12:20:003
162219964,2cyclictest743-21snmpd11:08:043
162219963,3cyclictest557-21NetworkManager12:20:113
162219963,2cyclictest810-21awk11:45:163
162219962,3cyclictest22761-21grep08:45:003
162219962,3cyclictest19669-21memory09:55:143
162219962,3cyclictest11581-21ld08:15:183
162219961,4cyclictest25203-21cat10:10:003
162159966,0cyclictest741-21lldpd09:43:312
162159966,0cyclictest741-21lldpd07:45:322
162159966,0cyclictest522-21avahi-daemon11:50:322
162159965,1cyclictest590-21gmain09:29:462
162159965,1cyclictest522-21avahi-daemon08:12:232
162159965,1cyclictest16024-21needreboot11:05:162
162159964,2cyclictest743-21snmpd12:14:242
162159963,3cyclictest743-21snmpd08:55:182
162159963,3cyclictest1570-21fw_forwarded_lo10:30:132
162159962,4cyclictest244-20systemd-journal10:53:012
162159962,3cyclictest31810-21df10:25:122
162159962,3cyclictest11008-21fw_packets08:15:142
162159961,5cyclictest557-21NetworkManager08:34:432
162099965,1cyclictest65850irq/126-lan10:35:121
162019966,0cyclictest741-21lldpd10:18:300
162019966,0cyclictest741-21lldpd10:06:220
162019965,1cyclictest743-21snmpd09:23:430
162019965,1cyclictest743-21snmpd07:27:310
162019965,1cyclictest741-21lldpd12:07:180
162019965,1cyclictest522-21avahi-daemon09:04:500
162019965,1cyclictest522-21avahi-daemon07:16:060
162019965,1cyclictest20061-21fschecks_count11:15:120
162019964,2cyclictest743-21snmpd11:57:060
162019964,2cyclictest743-21snmpd10:59:250
162019964,2cyclictest743-21snmpd10:47:000
162019964,2cyclictest743-21snmpd08:12:110
162019962,3cyclictest7242-21memory08:05:150
162019962,3cyclictest15054-21fw_forwarded_lo08:25:140
162219955,0cyclictest741-21lldpd09:54:323
162219955,0cyclictest741-21lldpd08:59:373
162219955,0cyclictest522-21avahi-daemon09:17:063
162219954,1cyclictest743-21snmpd07:42:403
162219953,2cyclictest743-21snmpd07:33:333
162219952,3cyclictest743-21snmpd11:25:383
162219952,2cyclictest9398-21awk10:50:123
162219952,2cyclictest13703-21tail11:00:133
162219951,3cyclictest743-21snmpd11:40:023
162219951,3cyclictest17898-21ls11:10:123
162219950,4cyclictest19628-21ntpq08:35:173
162159955,0cyclictest522-21avahi-daemon11:35:502
162159955,0cyclictest506-21systemd-resolve10:11:352
162159953,2cyclictest743-21snmpd08:51:172
162159952,3cyclictest743-21snmpd09:07:152
162159952,3cyclictest557-21NetworkManager11:15:562
162159952,3cyclictest4938-21perl08:00:142
162159952,2cyclictest9856-21ld09:30:152
162159952,2cyclictest6315-21grep10:40:192
162159952,2cyclictest4640-21dpkg09:20:002
162159952,2cyclictest3695-21sed09:15:192
162159952,2cyclictest3455-21sh10:35:132
162159952,2cyclictest28921-21sed10:15:222
162159952,2cyclictest244-20systemd-journal09:02:342
162159951,3cyclictest2933-21fw_forwarded_lo07:55:142
162019955,0cyclictest743-21snmpd07:45:130
162019955,0cyclictest741-21lldpd12:30:580
162019955,0cyclictest522-21avahi-daemon08:03:090
162019954,1cyclictest743-21snmpd12:00:120
162019954,1cyclictest743-21snmpd09:45:070
162019953,2cyclictest743-21snmpd12:17:270
162019953,2cyclictest743-21snmpd11:54:320
162019953,2cyclictest743-21snmpd08:22:410
162019953,2cyclictest743-21snmpd08:15:350
162019952,2cyclictest575-21rs:main0
162019952,2cyclictest31395-21latency_hist10:25:000
162019952,2cyclictest26023-21if_lan10:10:120
162019952,2cyclictest21069-21nvmesmart_nvme012:35:190
162219941,2cyclictest7793-21uname10:45:153
162219941,2cyclictest26236-21needreboot10:10:123
162219941,2cyclictest1329-21cpuspeed_turbos10:30:123
162219940,4cyclictest17105-21ntpq07:10:163
162219940,4cyclictest11200-21df09:35:133
162219940,3cyclictest1361-21ntp_states09:10:183
162159942,2cyclictest1381-21ntpq07:50:162
162159941,2cyclictest18420-21wc07:15:112
162159940,4cyclictest11811-21ntpq09:35:172
162159940,3cyclictest28966-21chrt07:40:052
162159940,3cyclictest18767-21/usr/sbin/munin08:35:132
162159940,3cyclictest11528-21diskstats10:55:122
162019940,3cyclictest3092-21memory09:15:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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