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2026-06-15 - 01:35

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 Sun Jun 14, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25210991818,0cyclictest65850irq/126-lan11:04:431
25210991818,0cyclictest65850irq/126-lan07:50:191
25210991818,0cyclictest65850irq/126-lan07:15:231
25210991817,1cyclictest65850irq/126-lan11:43:001
25210991817,1cyclictest65850irq/126-lan10:55:101
25210991817,1cyclictest65850irq/126-lan10:45:121
25210991817,1cyclictest65850irq/126-lan09:06:531
25210991717,0cyclictest65850irq/126-lan11:25:201
25210991717,0cyclictest65850irq/126-lan10:40:191
25210991717,0cyclictest65850irq/126-lan09:30:181
25210991717,0cyclictest65850irq/126-lan09:25:131
25210991717,0cyclictest65850irq/126-lan08:40:151
25210991717,0cyclictest65850irq/126-lan07:12:061
25210991616,0cyclictest65850irq/126-lan07:20:161
25210991615,1cyclictest65850irq/126-lan12:30:141
25210991615,1cyclictest65850irq/126-lan11:30:181
25210991615,1cyclictest65850irq/126-lan11:10:191
25210991615,1cyclictest65850irq/126-lan11:05:041
25210991615,1cyclictest65850irq/126-lan10:05:201
25210991615,1cyclictest65850irq/126-lan08:50:131
25210991615,1cyclictest65850irq/126-lan08:05:171
25210991615,1cyclictest65850irq/126-lan07:55:211
25210991615,1cyclictest65850irq/126-lan07:37:111
25210991515,0cyclictest65850irq/126-lan12:35:131
25210991515,0cyclictest65850irq/126-lan11:50:131
25210991515,0cyclictest65850irq/126-lan10:35:131
25210991515,0cyclictest65850irq/126-lan10:30:151
25210991515,0cyclictest65850irq/126-lan10:27:331
25210991515,0cyclictest65850irq/126-lan10:20:131
25210991515,0cyclictest65850irq/126-lan08:29:311
25210991515,0cyclictest65850irq/126-lan08:20:181
25210991515,0cyclictest65850irq/126-lan07:40:131
25210991514,1cyclictest65850irq/126-lan10:10:141
25210991514,1cyclictest65850irq/126-lan09:54:481
25210991514,1cyclictest65850irq/126-lan09:12:061
25210991514,1cyclictest65850irq/126-lan08:58:491
25210991514,1cyclictest65850irq/126-lan08:45:041
25210991514,1cyclictest65850irq/126-lan07:25:121
25210991414,0cyclictest65850irq/126-lan12:17:061
25210991414,0cyclictest65850irq/126-lan12:05:081
25210991414,0cyclictest65850irq/126-lan11:20:591
25210991414,0cyclictest65850irq/126-lan09:35:131
25210991414,0cyclictest65850irq/126-lan08:35:161
25210991413,1cyclictest65850irq/126-lan10:50:131
25210991313,0cyclictest65850irq/126-lan12:25:091
25210991313,0cyclictest65850irq/126-lan11:15:151
25210991313,0cyclictest65850irq/126-lan09:55:161
25210991313,0cyclictest65850irq/126-lan09:45:121
25210991313,0cyclictest65850irq/126-lan09:40:201
25210991313,0cyclictest65850irq/126-lan09:15:121
25210991312,1cyclictest65850irq/126-lan12:20:151
25210991312,1cyclictest65850irq/126-lan08:10:121
25210991312,1cyclictest65850irq/126-lan07:30:151
25210991212,0cyclictest65850irq/126-lan11:49:401
25210991212,0cyclictest65850irq/126-lan10:15:331
25210991212,0cyclictest65850irq/126-lan09:20:171
25210991212,0cyclictest65850irq/126-lan09:00:141
25210991212,0cyclictest65850irq/126-lan07:45:111
25210991211,1cyclictest65850irq/126-lan11:35:141
2521899119,2cyclictest717-21ntpd08:54:123
25210991111,0cyclictest65850irq/126-lan12:00:121
25210991111,0cyclictest65850irq/126-lan08:30:191
25210991111,0cyclictest65850irq/126-lan08:00:181
25210991110,1cyclictest65850irq/126-lan08:15:111
2520399119,2cyclictest717-21ntpd09:35:160
25210991010,0cyclictest65850irq/126-lan11:55:051
252189998,1cyclictest743-21snmpd11:42:473
252189998,1cyclictest741-21lldpd07:29:023
252189996,3cyclictest717-21ntpd08:00:103
252139998,1cyclictest743-21snmpd08:59:382
252139998,1cyclictest741-21lldpd08:04:532
252109999,0cyclictest65850irq/126-lan10:00:141
252039998,1cyclictest743-21snmpd10:53:230
252039998,1cyclictest743-21snmpd10:23:010
252039998,1cyclictest743-21snmpd09:31:360
252039998,1cyclictest743-21snmpd08:53:080
252039998,1cyclictest741-21lldpd09:26:300
252039998,1cyclictest741-21lldpd07:17:010
252189988,0cyclictest743-21snmpd09:57:103
252189988,0cyclictest741-21lldpd08:42:513
252189987,1cyclictest743-21snmpd07:50:093
252189987,1cyclictest743-21snmpd07:47:543
252189986,2cyclictest743-21snmpd10:56:183
252189986,2cyclictest717-21ntpd12:10:053
252189986,2cyclictest717-21ntpd12:00:043
252189986,2cyclictest717-21ntpd11:59:403
252189986,2cyclictest717-21ntpd11:27:503
252189986,2cyclictest717-21ntpd11:21:543
252189986,2cyclictest717-21ntpd11:15:283
252189986,2cyclictest717-21ntpd11:10:323
252189986,2cyclictest717-21ntpd10:46:233
252189986,2cyclictest717-21ntpd10:44:373
252189986,2cyclictest717-21ntpd10:35:273
252189986,2cyclictest717-21ntpd10:27:393
252189986,2cyclictest717-21ntpd10:15:353
252189986,2cyclictest717-21ntpd09:05:083
252189986,2cyclictest717-21ntpd09:00:233
252189986,2cyclictest717-21ntpd08:55:223
252189986,2cyclictest717-21ntpd08:45:023
252189986,2cyclictest717-21ntpd08:36:273
252189986,2cyclictest717-21ntpd08:30:023
252189986,2cyclictest717-21ntpd08:25:493
252189986,2cyclictest717-21ntpd07:57:013
252189986,2cyclictest717-21ntpd07:21:403
252189985,3cyclictest717-21ntpd12:06:173
252189985,3cyclictest717-21ntpd10:31:413
252139988,0cyclictest743-21snmpd09:02:192
252139988,0cyclictest741-21lldpd11:02:052
252139988,0cyclictest741-21lldpd10:54:492
252139988,0cyclictest741-21lldpd07:30:112
252139988,0cyclictest741-21lldpd07:23:122
252139987,1cyclictest743-21snmpd10:09:592
252139987,1cyclictest743-21snmpd07:16:552
252139987,1cyclictest741-21lldpd12:11:302
252139987,1cyclictest522-21avahi-daemon10:02:592
252139986,2cyclictest743-21snmpd11:16:042
252139986,2cyclictest743-21snmpd10:37:392
252139986,2cyclictest743-21snmpd10:15:352
252039988,0cyclictest743-21snmpd11:32:430
252039988,0cyclictest741-21lldpd10:06:300
252039988,0cyclictest741-21lldpd08:13:480
252039987,1cyclictest743-21snmpd12:38:340
252039987,1cyclictest743-21snmpd10:31:410
252039987,1cyclictest741-21lldpd10:35:240
252039987,1cyclictest522-21avahi-daemon07:35:210
252039986,2cyclictest7617-21cat07:45:150
252189977,0cyclictest741-21lldpd08:22:313
252189976,1cyclictest743-21snmpd12:25:273
252189976,1cyclictest743-21snmpd09:11:423
252189976,1cyclictest506-21systemd-resolve08:14:283
252189975,2cyclictest743-21snmpd09:40:283
252189975,2cyclictest743-21snmpd07:42:563
252189975,2cyclictest717-21ntpd11:30:263
252189975,2cyclictest14441-21cat09:20:143
252189974,3cyclictest557-21NetworkManager07:39:133
252189973,3cyclictest8323-21diskstats11:45:133
252139977,0cyclictest743-21snmpd12:32:362
252139977,0cyclictest743-21snmpd12:20:212
252139977,0cyclictest741-21lldpd12:16:542
252139977,0cyclictest741-21lldpd11:25:092
252139976,1cyclictest743-21snmpd10:13:352
252139976,1cyclictest725-21in:imuxsock07:40:002
252139975,2cyclictest743-21snmpd12:06:502
252139975,2cyclictest743-21snmpd12:00:202
252139975,2cyclictest743-21snmpd11:45:472
252139975,2cyclictest743-21snmpd11:36:252
252139975,2cyclictest743-21snmpd11:14:462
252139975,2cyclictest743-21snmpd10:22:412
252139975,2cyclictest743-21snmpd09:28:482
252139975,2cyclictest26524-21cat09:50:152
252039977,0cyclictest741-21lldpd10:25:520
252039976,1cyclictest743-21snmpd10:00:580
252039976,1cyclictest743-21snmpd08:58:170
252039976,1cyclictest743-21snmpd08:35:220
252039976,1cyclictest522-21avahi-daemon12:16:170
252039975,2cyclictest743-21snmpd11:45:230
252039975,2cyclictest743-21snmpd11:10:430
252039975,2cyclictest743-21snmpd10:42:540
252039975,2cyclictest743-21snmpd08:06:060
252039975,2cyclictest26223-21cat08:30:150
252189966,0cyclictest741-21lldpd08:16:503
252189965,1cyclictest743-21snmpd12:30:303
252189965,1cyclictest743-21snmpd07:19:143
252189964,2cyclictest743-21snmpd08:09:483
252189963,3cyclictest2061-21perl10:10:133
252189963,3cyclictest1366-21perl07:30:123
252189962,3cyclictest22547-21diskstats11:00:113
252139966,0cyclictest743-21snmpd11:41:472
252139966,0cyclictest743-21snmpd10:45:092
252139966,0cyclictest743-21snmpd09:39:192
252139966,0cyclictest743-21snmpd08:40:142
252139966,0cyclictest743-21snmpd08:14:102
252139966,0cyclictest741-21lldpd10:55:272
252139966,0cyclictest741-21lldpd09:58:382
252139966,0cyclictest522-21avahi-daemon09:40:452
252139965,1cyclictest9918-21cpuspeed_turbos10:30:092
252139965,1cyclictest8228-21gltestperf09:05:142
252139965,1cyclictest743-21snmpd09:32:592
252139965,1cyclictest522-21avahi-daemon09:45:512
252139964,2cyclictest743-21snmpd12:36:092
252139963,3cyclictest557-21NetworkManager07:13:592
252139963,3cyclictest506-21systemd-resolve09:21:162
252139963,3cyclictest32278-21cat08:45:132
252139963,3cyclictest20146-21cat08:15:132
252139963,2cyclictest244-20systemd-journal08:30:232
252039966,0cyclictest743-21snmpd12:29:210
252039966,0cyclictest743-21snmpd11:53:440
252039966,0cyclictest743-21snmpd11:22:280
252039966,0cyclictest743-21snmpd09:20:300
252039966,0cyclictest743-21snmpd07:10:490
252039966,0cyclictest741-21lldpd08:01:580
252039966,0cyclictest522-21avahi-daemon12:11:450
252039966,0cyclictest522-21avahi-daemon10:55:480
252039965,1cyclictest743-21snmpd09:17:060
252039965,1cyclictest743-21snmpd08:17:190
252039965,1cyclictest506-21systemd-resolve11:16:540
252039965,1cyclictest0-21swapper/010:15:120
252039964,2cyclictest743-21snmpd08:28:310
252039963,2cyclictest26866-21memory12:30:130
252039962,3cyclictest2930-21sed07:35:000
252039962,3cyclictest28404-21fw_forwarded_lo09:55:140
252039962,3cyclictest23697-21awk11:00:200
252189955,0cyclictest743-21snmpd11:39:533
252189955,0cyclictest743-21snmpd09:47:153
252189955,0cyclictest741-21lldpd12:36:403
252189955,0cyclictest741-21lldpd11:52:243
252189955,0cyclictest741-21lldpd09:34:253
252189954,1cyclictest743-21snmpd10:54:483
252189954,1cyclictest717-21ntpd10:20:053
252189954,1cyclictest20736-21ntpq09:35:163
252189953,2cyclictest743-21snmpd09:53:223
252189952,2cyclictest32613-21irqstats10:05:193
252189952,2cyclictest31567-21seq10:01:073
252189952,2cyclictest20406-21sshd12:15:113
252189952,2cyclictest17147-21grep09:25:203
252189951,3cyclictest25669-21grep07:10:123
252189951,3cyclictest24688-21fw_conntrack11:05:133
252189950,4cyclictest23090-21ntpq12:20:173
252139955,0cyclictest522-21avahi-daemon09:15:472
252139954,1cyclictest8948-21grep07:49:592
252139954,1cyclictest743-21snmpd08:09:332
252139954,1cyclictest522-21avahi-daemon11:33:342
252139954,1cyclictest12256-21cpuspeed_turbos11:55:122
252139954,1cyclictest10008-21ntpq07:50:162
252139953,2cyclictest743-21snmpd08:36:402
252139953,2cyclictest244-20systemd-journal08:24:322
252139952,3cyclictest743-21snmpd08:25:492
252139952,3cyclictest557-21NetworkManager09:10:182
252139952,2cyclictest3407-21cut08:55:002
252139951,3cyclictest24662-21perl11:05:132
252139950,4cyclictest10884-21ntpq11:50:152
252109954,1cyclictest65850irq/126-lan12:10:151
252039955,0cyclictest743-21snmpd11:27:010
252039955,0cyclictest743-21snmpd07:28:110
252039955,0cyclictest741-21lldpd09:48:200
252039955,0cyclictest522-21avahi-daemon08:47:280
252039954,1cyclictest6926-21dump-pmu-power07:45:000
252039953,2cyclictest743-21snmpd12:22:540
252039953,2cyclictest743-21snmpd09:43:280
252039952,2cyclictest9745-21sed09:10:000
252039952,2cyclictest743-21snmpd11:55:080
252039952,2cyclictest11164-21apt-key07:55:000
252039951,4cyclictest557-21NetworkManager12:01:050
252039951,3cyclictest30293-21ntpq07:20:180
252039951,3cyclictest292-21systemd-udevd08:24:500
252039950,4cyclictest17058-21ntp_states12:05:160
252189941,2cyclictest12116-21df09:15:113
252139942,2cyclictest743-21snmpd10:40:152
252139942,2cyclictest5344-21diskstats07:40:132
252139942,2cyclictest24719-21cat12:25:122
252139941,2cyclictest8096-21tune2fs10:25:142
252139941,2cyclictest31826-21cut07:25:142
252139941,2cyclictest11269-21dpkg07:55:002
252139940,4cyclictest31234-21ntpq11:20:162
252039944,0cyclictest741-21lldpd11:08:470
252039943,1cyclictest743-21snmpd11:40:050
252039942,2cyclictest26381-21grep09:50:130
252039942,2cyclictest2202-21cat10:10:140
252039942,2cyclictest11859-21cut07:55:140
252039942,0cyclictest0-21swapper/008:42:460
252039941,2cyclictest4433-21grep11:35:130
252039940,3cyclictest16200-21fw_packets10:45:130
252039940,3cyclictest10116-21diskstats09:10:130
252039940,2cyclictest557-21NetworkManager09:00:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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