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2026-06-21 - 15:09

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 21, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19117991918,1cyclictest65850irq/126-lan12:31:390
19117991918,1cyclictest65850irq/126-lan12:15:160
19117991918,1cyclictest65850irq/126-lan11:00:200
19117991918,1cyclictest65850irq/126-lan10:25:130
19117991918,1cyclictest65850irq/126-lan08:05:140
19121991818,0cyclictest743-21snmpd10:23:271
19117991817,1cyclictest65850irq/126-lan12:02:260
19117991817,1cyclictest65850irq/126-lan10:55:120
19117991817,1cyclictest65850irq/126-lan09:25:130
19117991817,1cyclictest65850irq/126-lan08:50:210
19117991817,1cyclictest65850irq/126-lan08:30:180
19117991817,1cyclictest65850irq/126-lan07:15:190
19121991717,0cyclictest743-21snmpd12:01:191
19117991717,0cyclictest65850irq/126-lan09:50:150
19117991716,1cyclictest65850irq/126-lan12:05:120
19117991716,1cyclictest65850irq/126-lan10:45:120
19117991716,1cyclictest65850irq/126-lan10:10:160
19117991716,1cyclictest65850irq/126-lan10:00:200
19117991716,1cyclictest65850irq/126-lan09:35:140
19117991716,1cyclictest65850irq/126-lan08:19:230
19121991616,0cyclictest743-21snmpd11:49:311
19117991616,0cyclictest65850irq/126-lan10:16:130
19117991616,0cyclictest65850irq/126-lan08:55:110
19117991616,0cyclictest65850irq/126-lan08:25:240
19117991615,1cyclictest65850irq/126-lan11:05:210
19117991615,1cyclictest65850irq/126-lan10:30:160
19117991615,1cyclictest65850irq/126-lan09:45:140
19117991615,1cyclictest65850irq/126-lan09:20:130
19117991615,1cyclictest65850irq/126-lan08:45:170
19117991615,1cyclictest65850irq/126-lan08:40:390
19117991615,1cyclictest65850irq/126-lan07:40:160
19117991615,1cyclictest65850irq/126-lan07:35:190
19117991615,1cyclictest65850irq/126-lan07:20:120
19121991515,0cyclictest743-21snmpd12:31:171
19117991515,0cyclictest65850irq/126-lan11:31:520
19117991515,0cyclictest65850irq/126-lan09:30:130
19117991515,0cyclictest65850irq/126-lan09:15:110
19117991515,0cyclictest65850irq/126-lan08:37:340
19117991515,0cyclictest65850irq/126-lan07:45:110
19117991515,0cyclictest65850irq/126-lan07:30:120
19117991515,0cyclictest65850irq/126-lan07:25:120
19117991514,1cyclictest65850irq/126-lan12:35:120
19117991514,1cyclictest65850irq/126-lan12:25:140
19117991514,1cyclictest65850irq/126-lan11:25:160
19117991514,1cyclictest65850irq/126-lan11:20:130
19117991514,1cyclictest65850irq/126-lan09:40:130
19117991514,1cyclictest65850irq/126-lan09:05:170
19121991414,0cyclictest743-21snmpd11:41:441
19121991414,0cyclictest743-21snmpd11:35:261
19121991414,0cyclictest743-21snmpd10:37:511
19121991414,0cyclictest743-21snmpd09:41:281
19117991414,0cyclictest65850irq/126-lan11:56:220
19117991414,0cyclictest65850irq/126-lan11:40:090
19117991414,0cyclictest65850irq/126-lan10:50:150
19117991414,0cyclictest65850irq/126-lan09:10:190
19117991413,1cyclictest65850irq/126-lan11:35:140
19117991413,1cyclictest65850irq/126-lan08:00:160
19117991413,1cyclictest65850irq/126-lan07:55:130
19121991313,0cyclictest743-21snmpd12:26:481
19121991313,0cyclictest743-21snmpd11:26:231
19121991313,0cyclictest743-21snmpd10:48:551
19121991313,0cyclictest743-21snmpd10:26:251
19121991313,0cyclictest743-21snmpd10:08:531
19121991313,0cyclictest743-21snmpd09:56:291
19121991313,0cyclictest743-21snmpd09:37:551
19121991313,0cyclictest743-21snmpd09:33:281
19121991313,0cyclictest743-21snmpd09:27:311
19121991313,0cyclictest743-21snmpd09:20:431
19121991313,0cyclictest743-21snmpd08:32:051
19121991313,0cyclictest743-21snmpd07:54:141
19121991313,0cyclictest5986-21cat07:55:121
19121991313,0cyclictest32667-21cat09:00:151
19121991313,0cyclictest26189-21cat08:45:131
19121991313,0cyclictest23798-21cat07:20:141
19121991313,0cyclictest17162-21cat11:00:151
19117991313,0cyclictest65850irq/126-lan09:55:100
19117991313,0cyclictest65850irq/126-lan09:03:230
19117991312,1cyclictest65850irq/126-lan11:50:140
19117991312,1cyclictest65850irq/126-lan10:05:200
19121991212,0cyclictest743-21snmpd12:16:491
19121991212,0cyclictest743-21snmpd11:12:071
19121991212,0cyclictest743-21snmpd10:15:111
19121991212,0cyclictest743-21snmpd09:50:141
19121991212,0cyclictest743-21snmpd08:26:231
19121991212,0cyclictest743-21snmpd07:37:231
19121991212,0cyclictest743-21snmpd07:33:071
19121991212,0cyclictest743-21snmpd07:15:181
19117991212,0cyclictest65850irq/126-lan10:35:140
19117991211,1cyclictest65850irq/126-lan11:45:160
19117991211,1cyclictest65850irq/126-lan11:15:200
19117991211,1cyclictest65850irq/126-lan11:10:120
19117991211,1cyclictest65850irq/126-lan07:50:140
19117991111,0cyclictest65850irq/126-lan08:14:230
19117991110,1cyclictest65850irq/126-lan12:20:120
19117991010,0cyclictest65850irq/126-lan12:10:170
191249998,1cyclictest743-21snmpd12:20:392
191249996,2cyclictest743-21snmpd10:17:392
191219998,1cyclictest743-21snmpd11:56:301
191219998,1cyclictest743-21snmpd08:18:011
191319988,0cyclictest743-21snmpd09:21:103
191319988,0cyclictest743-21snmpd09:11:213
191319988,0cyclictest743-21snmpd08:46:203
191319988,0cyclictest741-21lldpd10:42:533
191319988,0cyclictest741-21lldpd10:22:513
191319988,0cyclictest741-21lldpd10:13:593
191319988,0cyclictest741-21lldpd08:06:253
191319988,0cyclictest741-21lldpd07:31:133
191319988,0cyclictest741-21lldpd07:11:463
191319987,1cyclictest743-21snmpd10:05:053
191319987,1cyclictest741-21lldpd11:53:003
191319987,1cyclictest741-21lldpd09:55:573
191319987,1cyclictest32313-21cpuspeed_turbos09:00:133
191319986,2cyclictest743-21snmpd11:23:113
191319986,2cyclictest743-21snmpd10:30:363
191319986,2cyclictest743-21snmpd07:36:253
191319986,2cyclictest743-21snmpd07:23:373
191319986,2cyclictest11870-21cat12:05:153
191249988,0cyclictest743-21snmpd09:21:492
191249988,0cyclictest741-21lldpd12:01:102
191249988,0cyclictest741-21lldpd10:26:052
191249988,0cyclictest741-21lldpd08:56:362
191249988,0cyclictest741-21lldpd08:43:302
191249988,0cyclictest741-21lldpd08:07:512
191249988,0cyclictest741-21lldpd07:21:402
191249987,1cyclictest743-21snmpd11:41:112
191249987,1cyclictest741-21lldpd11:14:362
191249986,2cyclictest743-21snmpd11:25:022
191249986,2cyclictest743-21snmpd09:15:362
191219988,0cyclictest743-21snmpd09:17:091
191219988,0cyclictest741-21lldpd12:22:411
191219987,1cyclictest743-21snmpd08:59:181
191219987,1cyclictest743-21snmpd07:47:141
191219986,2cyclictest743-21snmpd09:10:511
191219986,2cyclictest743-21snmpd09:05:001
191219986,2cyclictest743-21snmpd08:36:381
191219986,2cyclictest743-21snmpd08:24:531
191179988,0cyclictest65850irq/126-lan07:10:190
191179986,2cyclictest743-21snmpd10:42:330
191319977,0cyclictest741-21lldpd12:11:473
191319977,0cyclictest741-21lldpd11:30:423
191319977,0cyclictest741-21lldpd10:47:153
191319977,0cyclictest741-21lldpd09:08:203
191319977,0cyclictest741-21lldpd08:14:193
191319977,0cyclictest741-21lldpd07:47:213
191319977,0cyclictest522-21avahi-daemon12:02:343
191319976,1cyclictest743-21snmpd08:31:473
191319976,0cyclictest743-21snmpd07:25:163
191319975,2cyclictest743-21snmpd11:47:503
191319975,2cyclictest743-21snmpd11:36:473
191319975,2cyclictest743-21snmpd11:05:373
191319975,2cyclictest743-21snmpd09:33:043
191249977,0cyclictest743-21snmpd12:39:552
191249977,0cyclictest743-21snmpd10:04:262
191249977,0cyclictest743-21snmpd08:11:432
191249977,0cyclictest743-21snmpd07:51:472
191249977,0cyclictest741-21lldpd12:32:442
191249977,0cyclictest741-21lldpd12:26:072
191249977,0cyclictest741-21lldpd12:07:192
191249977,0cyclictest741-21lldpd09:41:042
191249977,0cyclictest741-21lldpd09:12:402
191249977,0cyclictest741-21lldpd07:39:332
191249977,0cyclictest522-21avahi-daemon12:10:422
191249976,1cyclictest743-21snmpd09:27:132
191249976,1cyclictest743-21snmpd08:27:232
191249976,1cyclictest743-21snmpd07:44:022
191249976,1cyclictest522-21avahi-daemon07:31:452
191249976,1cyclictest506-21systemd-resolve10:21:462
191249975,2cyclictest743-21snmpd09:34:162
191249975,2cyclictest743-21snmpd09:04:002
191249975,2cyclictest743-21snmpd07:55:442
191219977,0cyclictest743-21snmpd08:01:231
191219977,0cyclictest741-21lldpd11:20:021
191219976,1cyclictest743-21snmpd10:56:401
191219975,2cyclictest743-21snmpd11:19:351
191319966,0cyclictest743-21snmpd09:40:463
191319966,0cyclictest743-21snmpd09:28:043
191319966,0cyclictest743-21snmpd08:51:153
191319966,0cyclictest573-21in:imuxsock11:15:413
191319966,0cyclictest522-21avahi-daemon11:13:203
191319965,1cyclictest7637-21munin-plugin-st09:20:003
191319965,1cyclictest743-21snmpd08:29:293
191319965,1cyclictest1095-21fschecks_count11:40:103
191319964,2cyclictest743-21snmpd09:54:183
191319964,2cyclictest743-21snmpd08:55:423
191319962,3cyclictest15736-21fw_forwarded_lo12:15:123
191249966,0cyclictest743-21snmpd11:17:382
191249966,0cyclictest741-21lldpd10:12:292
191249966,0cyclictest741-21lldpd09:59:192
191249966,0cyclictest741-21lldpd09:54:332
191249966,0cyclictest522-21avahi-daemon10:32:402
191249965,1cyclictest522-21avahi-daemon11:54:112
191249964,2cyclictest743-21snmpd10:37:332
191249963,3cyclictest743-21snmpd08:20:162
191249961,4cyclictest3659-21cat09:10:002
191249960,5cyclictest15251-21sed10:55:162
191219966,0cyclictest743-21snmpd09:48:051
191219966,0cyclictest741-21lldpd08:51:561
191219966,0cyclictest741-21lldpd08:42:401
191219966,0cyclictest522-21avahi-daemon08:12:361
191219965,1cyclictest741-21lldpd12:13:551
191219965,1cyclictest741-21lldpd11:54:541
191219964,2cyclictest743-21snmpd10:13:201
191219963,2cyclictest4929-21ntpq10:30:161
191219961,5cyclictest557-21NetworkManager12:39:121
191179965,1cyclictest65850irq/126-lan10:20:110
191319955,0cyclictest741-21lldpd08:22:553
191319955,0cyclictest506-21systemd-resolve12:30:313
191319954,1cyclictest743-21snmpd10:54:073
191319954,1cyclictest25160-21grep10:00:163
191319954,1cyclictest21631-21gltestperf07:15:153
191319953,2cyclictest743-21snmpd07:41:383
191319952,3cyclictest7578-21tr11:55:133
191319952,3cyclictest557-21NetworkManager09:35:013
191319952,2cyclictest3710-21sshd10:27:233
191319952,2cyclictest23045-21sed08:35:223
191319952,2cyclictest15498-21collect210:55:183
191319951,3cyclictest18721-21fw_forwarded_lo09:45:143
191319950,4cyclictest3825-21cut07:50:143
191319950,4cyclictest14369-21ntpq08:15:173
191249955,0cyclictest743-21snmpd09:35:262
191249955,0cyclictest741-21lldpd08:37:582
191249955,0cyclictest522-21avahi-daemon11:03:252
191249954,1cyclictest0-21swapper/210:05:152
191249953,2cyclictest743-21snmpd11:21:082
191249953,2cyclictest743-21snmpd08:30:322
191249952,3cyclictest22235-21pmu-power07:15:202
191249952,3cyclictest13982-21sed10:50:202
191249952,2cyclictest7760-21sh08:00:132
191249952,2cyclictest7755-21ld11:55:152
191249952,2cyclictest28993-21sh11:30:002
191249952,2cyclictest244-20systemd-journal07:48:262
191249951,4cyclictest557-21NetworkManager10:47:362
191249951,4cyclictest557-21NetworkManager08:45:112
191249951,3cyclictest9310-21sed10:40:222
191249951,3cyclictest806-21grep11:40:002
191249951,3cyclictest18907-21df_inode11:05:132
191249951,3cyclictest13922-21fw_forwarded_lo08:15:142
191249950,4cyclictest19412-21cut07:10:122
191219955,0cyclictest8552-21head10:40:151
191219953,2cyclictest20129-21ldconfig07:10:171
191219952,2cyclictest743-21snmpd08:09:091
191219952,2cyclictest30211-21ps11:30:161
191219950,4cyclictest32302-21ntpq07:40:161
191319944,0cyclictest522-21avahi-daemon12:35:083
191319942,2cyclictest743-21snmpd12:25:033
191319942,2cyclictest17161-21cat11:00:153
191319941,2cyclictest6887-21netstat10:35:153
191319941,2cyclictest30745-21fschecks_count10:15:133
191319941,2cyclictest27398-21tr11:25:123
191319941,2cyclictest24360-21cat08:40:153
191319941,2cyclictest17749-21grep12:20:123
191319940,4cyclictest8364-21ntpq08:00:173
191249943,1cyclictest0-21swapper/211:45:112
191249942,2cyclictest27758-21sort08:50:112
191249942,2cyclictest25380-21apt-get07:25:102
191249941,2cyclictest18643-21fschecks_count09:45:142
191249941,2cyclictest15799-21head12:15:142
191219944,0cyclictest321rcuc/110:50:001
191219942,2cyclictest717-21ntpd11:05:011
191219941,2cyclictest575-21rs:main1
191219940,3cyclictest26231-21ntp_states07:25:161
191219940,3cyclictest24649-21/usr/sbin/munin10:00:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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