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2026-03-10 - 16:43

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 Tue Mar 10, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29187991918,1cyclictest65850irq/126-lan09:25:132
29187991918,1cyclictest65850irq/126-lan08:40:012
29187991818,0cyclictest65850irq/126-lan12:10:202
29187991818,0cyclictest65850irq/126-lan10:05:202
29187991817,1cyclictest65850irq/126-lan12:23:242
29187991817,1cyclictest65850irq/126-lan12:00:122
29187991817,1cyclictest65850irq/126-lan10:30:152
29187991817,1cyclictest65850irq/126-lan07:30:172
29181991818,0cyclictest743-21snmpd12:08:441
29181991818,0cyclictest743-21snmpd11:12:141
29181991818,0cyclictest743-21snmpd09:51:211
29181991818,0cyclictest743-21snmpd09:01:261
29187991717,0cyclictest65850irq/126-lan09:35:202
29187991717,0cyclictest65850irq/126-lan08:10:232
29187991716,1cyclictest65850irq/126-lan08:45:152
29187991716,1cyclictest65850irq/126-lan08:05:212
29187991716,1cyclictest65850irq/126-lan07:55:132
29187991716,1cyclictest65850irq/126-lan07:50:122
29187991716,1cyclictest65850irq/126-lan07:25:152
29181991717,0cyclictest743-21snmpd11:21:481
29187991615,1cyclictest65850irq/126-lan11:15:162
29187991615,1cyclictest65850irq/126-lan09:35:002
29187991615,1cyclictest65850irq/126-lan09:10:132
29187991615,1cyclictest65850irq/126-lan09:00:202
29187991615,1cyclictest65850irq/126-lan07:40:192
29187991615,1cyclictest65850irq/126-lan07:40:182
29187991615,1cyclictest65850irq/126-lan07:35:182
29187991515,0cyclictest65850irq/126-lan11:49:282
29187991514,1cyclictest65850irq/126-lan12:33:292
29187991514,1cyclictest65850irq/126-lan11:40:192
29187991514,1cyclictest65850irq/126-lan11:30:112
29187991514,1cyclictest65850irq/126-lan11:25:152
29187991514,1cyclictest65850irq/126-lan11:20:232
29187991514,1cyclictest65850irq/126-lan11:05:202
29187991514,1cyclictest65850irq/126-lan10:45:162
29187991514,1cyclictest65850irq/126-lan09:55:152
29187991514,1cyclictest65850irq/126-lan08:50:152
29187991414,0cyclictest65850irq/126-lan11:55:122
29187991414,0cyclictest65850irq/126-lan10:50:102
29187991414,0cyclictest65850irq/126-lan09:50:092
29187991414,0cyclictest65850irq/126-lan08:15:132
29187991413,1cyclictest65850irq/126-lan10:20:182
29187991413,1cyclictest65850irq/126-lan08:35:142
29187991313,0cyclictest65850irq/126-lan10:29:282
29187991313,0cyclictest65850irq/126-lan09:40:122
29187991313,0cyclictest65850irq/126-lan08:32:172
29187991313,0cyclictest65850irq/126-lan08:26:192
29187991313,0cyclictest65850irq/126-lan07:20:172
29187991312,1cyclictest65850irq/126-lan12:35:172
29187991312,1cyclictest65850irq/126-lan12:05:172
29187991312,1cyclictest65850irq/126-lan11:50:212
29187991312,1cyclictest65850irq/126-lan11:10:142
29187991312,1cyclictest65850irq/126-lan10:40:162
29187991312,1cyclictest65850irq/126-lan08:00:112
29187991212,0cyclictest65850irq/126-lan12:25:182
29187991212,0cyclictest65850irq/126-lan11:35:172
29187991212,0cyclictest65850irq/126-lan10:36:192
29187991212,0cyclictest65850irq/126-lan08:55:182
29187991211,1cyclictest65850irq/126-lan10:10:132
2919199119,2cyclictest21819-21cron08:10:013
29187991111,0cyclictest65850irq/126-lan10:15:112
29187991111,0cyclictest65850irq/126-lan10:02:182
29187991111,0cyclictest65850irq/126-lan07:15:132
29187991111,0cyclictest65850irq/126-lan07:12:332
29187991110,1cyclictest65850irq/126-lan12:15:132
29187991110,1cyclictest65850irq/126-lan09:05:162
29187991010,0cyclictest65850irq/126-lan10:56:502
291919998,1cyclictest743-21snmpd10:26:133
291879999,0cyclictest65850irq/126-lan09:45:502
291879998,1cyclictest741-21lldpd08:22:532
291819998,1cyclictest743-21snmpd08:51:181
291819998,1cyclictest741-21lldpd10:26:041
291739998,1cyclictest743-21snmpd10:52:200
291739998,1cyclictest743-21snmpd10:21:430
291739998,1cyclictest743-21snmpd09:20:460
291739998,1cyclictest743-21snmpd07:47:280
291919988,0cyclictest741-21lldpd11:40:143
291919988,0cyclictest741-21lldpd09:26:023
291919988,0cyclictest741-21lldpd09:23:293
291919988,0cyclictest741-21lldpd07:27:023
291919988,0cyclictest741-21lldpd07:17:513
291919987,1cyclictest743-21snmpd12:21:173
291919987,1cyclictest743-21snmpd07:53:023
291919987,1cyclictest741-21lldpd12:31:593
291919986,2cyclictest743-21snmpd11:54:133
291919986,2cyclictest743-21snmpd11:28:363
291919986,2cyclictest743-21snmpd10:36:343
291879988,0cyclictest65850irq/126-lan09:15:172
291879987,1cyclictest65850irq/126-lan11:00:172
291879987,1cyclictest65850irq/126-lan09:20:202
291819988,0cyclictest743-21snmpd11:26:561
291819988,0cyclictest743-21snmpd09:06:491
291819988,0cyclictest743-21snmpd08:04:561
291819988,0cyclictest741-21lldpd12:34:481
291819988,0cyclictest741-21lldpd10:38:171
291819988,0cyclictest741-21lldpd10:20:571
291819988,0cyclictest741-21lldpd10:09:331
291819988,0cyclictest741-21lldpd09:56:261
291819988,0cyclictest741-21lldpd09:40:141
291819988,0cyclictest741-21lldpd08:56:391
291819987,1cyclictest743-21snmpd08:38:541
291819986,2cyclictest743-21snmpd11:00:471
291819986,2cyclictest743-21snmpd08:41:161
291819986,2cyclictest743-21snmpd08:11:001
291819986,2cyclictest743-21snmpd07:19:151
291739988,0cyclictest743-21snmpd11:55:100
291739988,0cyclictest743-21snmpd11:23:570
291739988,0cyclictest743-21snmpd11:06:360
291739988,0cyclictest743-21snmpd10:19:130
291739988,0cyclictest743-21snmpd07:13:100
291739987,1cyclictest743-21snmpd10:14:360
291739987,1cyclictest743-21snmpd08:59:050
291739987,1cyclictest743-21snmpd08:42:580
291739987,1cyclictest741-21lldpd12:22:380
291739986,2cyclictest743-21snmpd12:32:070
291739986,2cyclictest743-21snmpd12:05:550
291739986,2cyclictest743-21snmpd10:44:460
291739986,2cyclictest743-21snmpd10:29:360
291739986,2cyclictest743-21snmpd09:18:170
291739986,2cyclictest743-21snmpd08:33:400
291739985,3cyclictest743-21snmpd09:06:580
291919977,0cyclictest743-21snmpd12:29:383
291919977,0cyclictest743-21snmpd10:30:283
291919977,0cyclictest743-21snmpd10:13:523
291919977,0cyclictest741-21lldpd11:18:313
291919977,0cyclictest741-21lldpd10:45:173
291919977,0cyclictest741-21lldpd09:04:013
291919977,0cyclictest506-21systemd-resolve10:15:123
291919976,1cyclictest743-21snmpd12:09:143
291919976,1cyclictest741-21lldpd12:04:483
291919976,1cyclictest741-21lldpd09:06:543
291919976,1cyclictest506-21systemd-resolve07:12:323
291919975,2cyclictest743-21snmpd11:08:423
291919975,2cyclictest743-21snmpd08:10:453
291919975,2cyclictest743-21snmpd07:40:143
291919975,2cyclictest743-21snmpd07:40:133
291919970,7cyclictest12397-21munin-plugin-st10:24:593
291879977,0cyclictest65850irq/126-lan07:49:342
291819977,0cyclictest743-21snmpd12:13:351
291819977,0cyclictest743-21snmpd11:51:281
291819977,0cyclictest743-21snmpd09:48:001
291819977,0cyclictest743-21snmpd08:46:431
291819977,0cyclictest743-21snmpd07:22:491
291819977,0cyclictest741-21lldpd11:45:481
291819977,0cyclictest741-21lldpd11:41:231
291819977,0cyclictest741-21lldpd10:45:091
291819977,0cyclictest741-21lldpd07:49:051
291819976,1cyclictest743-21snmpd08:25:271
291819976,1cyclictest743-21snmpd07:58:471
291819975,2cyclictest743-21snmpd10:34:561
291819975,2cyclictest743-21snmpd09:29:201
291819975,2cyclictest743-21snmpd08:33:541
291739977,0cyclictest743-21snmpd12:14:170
291739977,0cyclictest741-21lldpd12:15:460
291739977,0cyclictest741-21lldpd08:11:030
291739977,0cyclictest741-21lldpd07:17:370
291739976,1cyclictest743-21snmpd10:59:580
291739976,1cyclictest743-21snmpd09:11:020
291739976,1cyclictest743-21snmpd08:15:440
291739976,1cyclictest741-21lldpd11:02:410
291739975,2cyclictest743-21snmpd12:01:130
291739975,2cyclictest743-21snmpd11:18:150
291739975,2cyclictest743-21snmpd08:39:480
291739975,2cyclictest743-21snmpd07:25:370
291739975,2cyclictest743-21snmpd07:23:450
291739975,2cyclictest21177-21cat10:45:160
291919966,0cyclictest741-21lldpd08:40:073
291919966,0cyclictest741-21lldpd08:17:243
291919966,0cyclictest12920-21gltestperf11:45:143
291919965,1cyclictest743-21snmpd11:37:523
291919965,1cyclictest743-21snmpd10:02:333
291919965,1cyclictest522-21avahi-daemon11:12:123
291919965,1cyclictest32258-21cpuspeed_turbos08:35:133
291919964,2cyclictest743-21snmpd08:56:163
291919963,2cyclictest23919-21ntp_states12:10:163
291919960,5cyclictest7903-21ntpq07:35:193
291819966,0cyclictest743-21snmpd10:18:431
291819966,0cyclictest743-21snmpd07:37:321
291819966,0cyclictest741-21lldpd08:15:061
291819966,0cyclictest522-21avahi-daemon12:15:491
291819966,0cyclictest522-21avahi-daemon10:41:351
291819966,0cyclictest522-21avahi-daemon07:13:371
291819965,1cyclictest8761-21fschecks_time11:35:131
291819965,1cyclictest743-21snmpd12:35:291
291819965,1cyclictest6574-21cpuspeed_turbos11:30:111
291819965,1cyclictest24507-21cpuspeed_turbos09:35:121
291819965,1cyclictest13670-21cpuspeed_turbos07:50:111
291819964,2cyclictest743-21snmpd10:00:091
291739966,0cyclictest743-21snmpd09:25:140
291739966,0cyclictest741-21lldpd11:44:540
291739966,0cyclictest741-21lldpd11:32:360
291739966,0cyclictest573-21in:imuxsock07:54:440
291739966,0cyclictest522-21avahi-daemon08:01:550
291739965,1cyclictest743-21snmpd11:51:070
291739965,1cyclictest743-21snmpd09:45:300
291739965,1cyclictest741-21lldpd11:35:320
291739965,1cyclictest741-21lldpd11:28:530
291739965,1cyclictest741-21lldpd09:58:090
291739963,3cyclictest743-21snmpd09:00:110
291739963,3cyclictest4850-21perl10:05:130
291739963,3cyclictest12848-21fw_conntrack11:45:130
291919955,0cyclictest743-21snmpd10:08:243
291919955,0cyclictest741-21lldpd08:45:363
291919955,0cyclictest522-21avahi-daemon11:21:133
291919955,0cyclictest522-21avahi-daemon08:25:283
291919954,1cyclictest743-21snmpd10:41:533
291919954,1cyclictest741-21lldpd09:43:343
291919954,1cyclictest557-21NetworkManager07:57:393
291919954,1cyclictest1319-21fw_conntrack07:20:123
291919953,2cyclictest743-21snmpd08:30:183
291919953,2cyclictest1191-21cat12:35:143
291919952,3cyclictest557-21NetworkManager08:04:473
291919952,2cyclictest575-21rs:main3
291919952,2cyclictest31249-21ld09:50:153
291919952,2cyclictest24714-21cut09:35:133
291919952,2cyclictest23210-21ntpq09:30:163
291919952,2cyclictest2064-21grep10:00:003
291919951,3cyclictest7709-21seq08:51:163
291919951,3cyclictest11971-21ntpq07:45:173
291919950,4cyclictest17119-21ntpq09:15:153
291819955,0cyclictest522-21avahi-daemon12:25:391
291819955,0cyclictest321rcuc/109:20:131
291819954,1cyclictest5129-21cpuspeed_turbos07:30:121
291819954,1cyclictest331ktimers/112:20:161
291819953,2cyclictest717-21ntpd08:24:151
291819953,2cyclictest17139-21ntpq09:15:151
291819952,3cyclictest557-21NetworkManager11:55:191
291819952,3cyclictest3042-21apt-get07:25:121
291819952,3cyclictest15175-21ntp_states09:10:171
291819952,2cyclictest30127-21grep11:05:201
291819950,4cyclictest19866-21sed12:00:191
291739955,0cyclictest741-21lldpd10:01:300
291739954,1cyclictest9222-21cpuspeed_turbos07:40:110
291739954,1cyclictest9222-21cpuspeed_turbos07:40:110
291739954,1cyclictest743-21snmpd09:50:270
291739954,1cyclictest743-21snmpd09:37:120
291739954,1cyclictest522-21avahi-daemon07:55:200
291739953,2cyclictest743-21snmpd10:39:560
291739953,0cyclictest0-21swapper/008:50:100
291739952,2cyclictest26193-21cpuspeed_turbos08:20:110
291739952,2cyclictest244-20systemd-journal09:30:010
291739952,2cyclictest244-20systemd-journal08:08:500
291739951,3cyclictest4558-21fw_forwarded_lo08:45:150
291739951,3cyclictest26994-21ls09:40:150
291919942,2cyclictest743-21snmpd10:50:253
291919942,2cyclictest6678-21forks11:30:123
291919941,3cyclictest14605-21perl09:10:123
291919941,2cyclictest26891-21awk08:20:213
291919940,4cyclictest5817-21ntpq07:30:163
291919940,4cyclictest29184-21ntpq09:45:143
291919940,4cyclictest27518-21ntpq11:00:163
291919940,4cyclictest25779-21ntpq12:15:163
291919940,3cyclictest16806-21fschecks_time11:55:103
291819944,0cyclictest499-21cpuspeed_turbos11:15:111
291819944,0cyclictest0-21swapper/110:55:161
291819944,0cyclictest0-21swapper/108:05:141
291819942,2cyclictest7754-21sed10:10:201
291819942,2cyclictest743-21snmpd09:30:051
291819941,3cyclictest9692-21cat07:40:141
291819941,3cyclictest9692-21cat07:40:131
291819940,2cyclictest0-21swapper/110:50:101
291739943,1cyclictest743-21snmpd07:30:120
291739941,3cyclictest557-21NetworkManager12:36:120
291739941,2cyclictest7209-21cpuspeed_turbos07:35:130
291739941,2cyclictest29700-21sed12:25:140
291739941,2cyclictest14757-21cpuspeed_turbos10:30:110
291739940,3cyclictest31513-21ntp_192.168.11411:10:140
291739940,3cyclictest28884-21ntpq08:25:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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