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2026-06-11 - 23:03

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 Jun 11, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26495991818,0cyclictest65850irq/126-lan09:50:163
26495991818,0cyclictest65850irq/126-lan08:15:123
26495991818,0cyclictest65850irq/126-lan07:35:123
26495991817,1cyclictest65850irq/126-lan12:05:213
26495991817,1cyclictest65850irq/126-lan10:49:563
26495991817,1cyclictest65850irq/126-lan10:40:203
26495991817,1cyclictest65850irq/126-lan10:15:163
26495991817,1cyclictest65850irq/126-lan10:00:183
26495991717,0cyclictest65850irq/126-lan11:35:113
26495991717,0cyclictest65850irq/126-lan11:00:323
26495991717,0cyclictest65850irq/126-lan10:56:203
26495991717,0cyclictest65850irq/126-lan09:40:573
26495991717,0cyclictest65850irq/126-lan09:15:113
26495991717,0cyclictest65850irq/126-lan08:55:173
26495991717,0cyclictest65850irq/126-lan08:25:493
26495991717,0cyclictest65850irq/126-lan07:15:183
26495991716,1cyclictest65850irq/126-lan09:25:133
26495991716,1cyclictest65850irq/126-lan08:35:143
26480991717,0cyclictest743-21snmpd10:09:100
26495991616,0cyclictest65850irq/126-lan11:17:313
26495991616,0cyclictest65850irq/126-lan11:14:413
26495991615,1cyclictest65850irq/126-lan12:15:173
26495991615,1cyclictest65850irq/126-lan11:45:133
26495991615,1cyclictest65850irq/126-lan11:42:373
26495991615,1cyclictest65850irq/126-lan11:30:143
26495991615,1cyclictest65850irq/126-lan10:50:173
26495991615,1cyclictest65850irq/126-lan10:35:193
26495991615,1cyclictest65850irq/126-lan09:05:223
26495991615,1cyclictest65850irq/126-lan08:50:173
26495991615,1cyclictest65850irq/126-lan08:40:113
26480991616,0cyclictest743-21snmpd12:14:460
26480991616,0cyclictest743-21snmpd11:22:320
26495991515,0cyclictest65850irq/126-lan11:50:133
26495991515,0cyclictest65850irq/126-lan10:30:193
26495991515,0cyclictest65850irq/126-lan10:10:143
26495991514,1cyclictest65850irq/126-lan12:35:153
26495991514,1cyclictest65850irq/126-lan12:30:443
26495991514,1cyclictest65850irq/126-lan11:55:113
26495991514,1cyclictest65850irq/126-lan11:05:133
26495991514,1cyclictest65850irq/126-lan09:55:163
26495991514,1cyclictest65850irq/126-lan09:30:173
26495991514,1cyclictest65850irq/126-lan09:10:113
26495991514,1cyclictest65850irq/126-lan08:45:183
26495991514,1cyclictest65850irq/126-lan08:20:153
26480991515,0cyclictest743-21snmpd12:38:260
26480991515,0cyclictest743-21snmpd12:18:580
26480991515,0cyclictest743-21snmpd12:09:190
26480991515,0cyclictest743-21snmpd12:03:450
26480991515,0cyclictest743-21snmpd11:49:330
26480991515,0cyclictest743-21snmpd11:43:200
26480991515,0cyclictest743-21snmpd11:38:360
26480991515,0cyclictest743-21snmpd11:05:580
26480991515,0cyclictest743-21snmpd10:45:190
26480991515,0cyclictest743-21snmpd10:28:420
26480991515,0cyclictest743-21snmpd09:37:030
26480991515,0cyclictest743-21snmpd08:36:540
26480991515,0cyclictest743-21snmpd08:30:590
26480991515,0cyclictest743-21snmpd08:00:490
26480991515,0cyclictest743-21snmpd07:59:230
26480991515,0cyclictest743-21snmpd07:29:540
26480991515,0cyclictest31192-21cat08:40:150
26495991414,0cyclictest65850irq/126-lan09:45:113
26495991414,0cyclictest65850irq/126-lan09:00:043
26495991414,0cyclictest65850irq/126-lan07:50:193
26495991413,1cyclictest65850irq/126-lan12:20:203
26495991413,1cyclictest65850irq/126-lan12:10:153
26495991413,1cyclictest65850irq/126-lan10:05:123
26495991413,1cyclictest65850irq/126-lan09:20:203
26495991413,1cyclictest65850irq/126-lan08:30:153
26495991413,1cyclictest65850irq/126-lan07:20:113
26480991414,0cyclictest743-21snmpd12:31:110
26480991414,0cyclictest743-21snmpd11:55:570
26480991414,0cyclictest743-21snmpd10:40:420
26480991414,0cyclictest743-21snmpd10:33:060
26480991414,0cyclictest743-21snmpd10:17:360
26480991414,0cyclictest743-21snmpd09:57:050
26480991414,0cyclictest743-21snmpd09:24:270
26480991414,0cyclictest743-21snmpd07:16:280
26480991414,0cyclictest743-21snmpd07:10:380
26495991313,0cyclictest65850irq/126-lan12:25:123
26495991313,0cyclictest65850irq/126-lan09:35:123
26495991313,0cyclictest65850irq/126-lan07:45:153
26495991312,1cyclictest65850irq/126-lan08:10:143
26495991312,1cyclictest65850irq/126-lan07:12:183
26495991212,0cyclictest65850irq/126-lan10:25:123
26495991212,0cyclictest65850irq/126-lan07:26:173
26495991211,1cyclictest65850irq/126-lan11:20:153
26495991211,1cyclictest65850irq/126-lan07:40:153
26495991010,0cyclictest65850irq/126-lan11:28:213
26495991010,0cyclictest65850irq/126-lan10:23:203
26495991010,0cyclictest65850irq/126-lan07:55:163
264959998,1cyclictest741-21lldpd08:01:493
264959998,1cyclictest65850irq/126-lan07:30:173
264809998,1cyclictest743-21snmpd11:19:230
264809998,1cyclictest743-21snmpd07:47:220
264919988,0cyclictest743-21snmpd10:19:572
264919988,0cyclictest743-21snmpd08:07:112
264919988,0cyclictest741-21lldpd11:41:452
264919988,0cyclictest741-21lldpd10:56:552
264919988,0cyclictest741-21lldpd09:22:422
264919988,0cyclictest741-21lldpd08:47:482
264919987,1cyclictest743-21snmpd11:15:562
264919987,1cyclictest743-21snmpd08:26:072
264919987,1cyclictest743-21snmpd08:03:352
264919987,1cyclictest741-21lldpd10:46:432
264919987,1cyclictest741-21lldpd09:27:302
264919986,2cyclictest743-21snmpd12:24:012
264919986,2cyclictest743-21snmpd11:36:242
264879988,0cyclictest743-21snmpd11:51:571
264879988,0cyclictest743-21snmpd11:30:411
264879988,0cyclictest743-21snmpd11:29:161
264879988,0cyclictest743-21snmpd10:52:571
264879988,0cyclictest743-21snmpd09:50:401
264879988,0cyclictest743-21snmpd08:28:231
264879988,0cyclictest741-21lldpd12:32:201
264879988,0cyclictest741-21lldpd09:38:271
264879987,1cyclictest743-21snmpd10:36:291
264879987,1cyclictest743-21snmpd10:21:471
264879987,1cyclictest743-21snmpd08:37:421
264879987,1cyclictest741-21lldpd12:16:081
264879987,1cyclictest741-21lldpd11:13:071
264879986,2cyclictest743-21snmpd09:55:171
264879986,2cyclictest743-21snmpd09:15:031
264879986,2cyclictest743-21snmpd09:10:131
264879985,3cyclictest743-21snmpd10:59:341
264809988,0cyclictest743-21snmpd08:13:560
264809988,0cyclictest741-21lldpd11:10:100
264809987,1cyclictest743-21snmpd09:51:190
264809987,1cyclictest743-21snmpd07:54:050
264809987,1cyclictest741-21lldpd10:20:200
264809986,2cyclictest743-21snmpd11:27:400
264809986,2cyclictest743-21snmpd10:57:130
264809986,2cyclictest743-21snmpd08:49:110
264959977,0cyclictest743-21snmpd08:06:353
264959977,0cyclictest65850irq/126-lan12:04:203
264919977,0cyclictest743-21snmpd09:11:222
264919977,0cyclictest743-21snmpd09:08:392
264919977,0cyclictest741-21lldpd08:43:342
264919977,0cyclictest741-21lldpd07:22:532
264919976,1cyclictest743-21snmpd12:02:092
264919976,1cyclictest743-21snmpd08:35:032
264919975,2cyclictest743-21snmpd12:12:452
264919975,2cyclictest743-21snmpd11:59:172
264919975,2cyclictest743-21snmpd11:09:522
264919975,2cyclictest743-21snmpd10:38:322
264919975,2cyclictest743-21snmpd10:34:062
264919975,2cyclictest743-21snmpd09:01:262
264919975,2cyclictest743-21snmpd08:59:422
264919975,2cyclictest743-21snmpd07:38:522
264919975,2cyclictest743-21snmpd07:33:192
264879977,0cyclictest743-21snmpd10:41:431
264879977,0cyclictest743-21snmpd09:27:581
264879977,0cyclictest743-21snmpd08:10:161
264879977,0cyclictest741-21lldpd12:04:281
264879977,0cyclictest741-21lldpd11:38:301
264879977,0cyclictest741-21lldpd11:18:131
264879977,0cyclictest741-21lldpd10:34:371
264879977,0cyclictest522-21avahi-daemon08:09:181
264879976,1cyclictest743-21snmpd07:44:511
264879976,1cyclictest743-21snmpd07:16:071
264879975,2cyclictest743-21snmpd10:27:001
264879975,2cyclictest743-21snmpd09:20:251
264879975,2cyclictest743-21snmpd08:19:101
264879973,3cyclictest30887-21diskstats07:20:111
264809977,0cyclictest743-21snmpd07:35:100
264809977,0cyclictest741-21lldpd07:44:290
264809976,1cyclictest743-21snmpd09:19:000
264809976,1cyclictest24205-21gltestperf11:00:150
264809975,2cyclictest32436-21cat10:00:150
264809974,3cyclictest3962-21apt-get11:30:120
264919966,0cyclictest743-21snmpd12:05:252
264919966,0cyclictest743-21snmpd10:41:342
264919966,0cyclictest743-21snmpd10:00:252
264919965,1cyclictest2274-21ntp_kernel_pll_11:25:162
264919964,2cyclictest29128-21cat07:15:142
264919963,3cyclictest28249-21perl09:50:132
264919962,3cyclictest3185-21ntpq08:50:172
264919962,3cyclictest21157-21users09:30:182
264919962,3cyclictest20064-21cut10:50:122
264919962,3cyclictest12855-21ntpq11:50:162
264879966,0cyclictest743-21snmpd09:06:571
264879966,0cyclictest743-21snmpd07:11:261
264879966,0cyclictest741-21lldpd10:48:091
264879966,0cyclictest522-21avahi-daemon12:24:591
264879966,0cyclictest506-21systemd-resolve11:55:241
264879965,1cyclictest743-21snmpd10:14:541
264879965,1cyclictest743-21snmpd07:26:511
264879965,1cyclictest11206-21ntp_kernel_err07:50:181
264879964,2cyclictest743-21snmpd11:42:111
264879964,2cyclictest743-21snmpd11:02:401
264879964,2cyclictest743-21snmpd10:15:301
264879964,2cyclictest743-21snmpd09:00:231
264879962,4cyclictest557-21NetworkManager12:26:061
264879962,3cyclictest10640-21needreboot11:45:141
264809966,0cyclictest743-21snmpd12:21:160
264809966,0cyclictest741-21lldpd08:28:330
264809966,0cyclictest522-21avahi-daemon10:13:400
264809965,1cyclictest743-21snmpd09:28:460
264809965,1cyclictest743-21snmpd08:23:350
264809965,1cyclictest741-21lldpd08:09:070
264809964,2cyclictest743-21snmpd09:12:220
264809964,2cyclictest743-21snmpd08:51:510
264809964,2cyclictest743-21snmpd07:32:360
264809963,2cyclictest575-21rs:main0
264809963,2cyclictest575-21rs:main0
264919955,0cyclictest743-21snmpd10:26:302
264919955,0cyclictest743-21snmpd07:40:182
264919955,0cyclictest741-21lldpd11:30:262
264919955,0cyclictest741-21lldpd07:50:042
264919955,0cyclictest741-21lldpd07:49:182
264919955,0cyclictest411rcuc/208:20:132
264919954,1cyclictest522-21avahi-daemon08:34:132
264919952,2cyclictest30459-21cut12:35:132
264919952,2cyclictest244-20systemd-journal11:22:592
264919952,2cyclictest24085-21tune2fs11:00:142
264919952,2cyclictest1820-21cut10:05:122
264919952,2cyclictest11078-21sed11:45:192
264919951,3cyclictest28737-21memory12:30:142
264919951,3cyclictest26026-21diskstats09:45:112
264919950,4cyclictest27440-21ntpq07:10:162
264919950,4cyclictest22957-21ntpq12:15:172
264919950,4cyclictest21469-21ntpq08:15:172
264879955,0cyclictest743-21snmpd08:45:321
264879955,0cyclictest522-21avahi-daemon08:59:421
264879954,1cyclictest743-21snmpd09:45:311
264879954,1cyclictest743-21snmpd08:43:301
264879954,1cyclictest331ktimers/108:20:131
264879954,1cyclictest26615-21ntpq11:05:161
264879953,2cyclictest743-21snmpd07:56:101
264879953,2cyclictest32437-21cat10:00:151
264879952,2cyclictest244-20systemd-journal12:05:071
264879952,2cyclictest20411-21grep12:10:131
264879952,2cyclictest16009-21seq08:01:521
264879951,3cyclictest3258-21cut08:50:181
264879950,4cyclictest27403-21ntp_192.168.11408:30:151
264809955,0cyclictest743-21snmpd08:57:360
264809955,0cyclictest741-21lldpd09:32:120
264809954,1cyclictest8927-21cpuspeed_turbos09:05:130
264809954,1cyclictest26284-21cat09:45:130
264809953,2cyclictest743-21snmpd09:42:340
264809953,2cyclictest717-21ntpd09:02:310
264809951,2cyclictest28011-21cat12:30:010
264919943,1cyclictest0-21swapper/209:35:122
264919942,2cyclictest743-21snmpd10:20:112
264919942,2cyclictest743-21snmpd07:26:242
264919942,2cyclictest24982-21timerandwakeup09:40:192
264919941,2cyclictest30616-21head09:55:142
264919941,2cyclictest18864-21fschecks_time08:10:112
264919941,2cyclictest13637-21gltestperf09:15:132
264919941,2cyclictest12492-21apt-get07:55:102
264919940,4cyclictest0-21swapper/211:10:172
264919940,3cyclictest26946-21/usr/sbin/munin12:25:152
264879943,1cyclictest14874-21kworker/1:1+events09:40:021
264879943,1cyclictest14874-21kworker/1:1+events07:45:011
264879942,1cyclictest2733-21sed07:30:131
264879941,2cyclictest32425-21wc11:20:141
264879941,2cyclictest2316-21netstat10:05:141
264879940,3cyclictest4855-21/usr/sbin/munin07:35:141
264879940,3cyclictest30896-21ntp_192.168.11412:35:161
264879940,3cyclictest20087-21fw_conntrack09:30:101
264809942,2cyclictest717-21ntpd10:35:040
264809942,2cyclictest20210-21cat10:50:130
264809940,3cyclictest12728-21/usr/sbin/munin11:50:150
264919930,3cyclictest3789-21df10:10:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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