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2025-12-28 - 22:59

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 Sun Dec 28, 2025 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19492991918,0cyclictest743-21snmpd07:22:070
19492991817,1cyclictest65850irq/126-lan11:15:150
19492991817,1cyclictest65850irq/126-lan10:50:170
19492991817,0cyclictest743-21snmpd09:36:190
19492991717,0cyclictest743-21snmpd12:39:290
19492991717,0cyclictest743-21snmpd11:45:540
19492991717,0cyclictest743-21snmpd10:05:320
19492991717,0cyclictest743-21snmpd08:20:290
19492991717,0cyclictest743-21snmpd08:08:500
19492991717,0cyclictest65850irq/126-lan11:20:160
19492991717,0cyclictest65850irq/126-lan09:45:110
19492991717,0cyclictest65850irq/126-lan09:19:210
19492991717,0cyclictest65850irq/126-lan08:55:170
19492991717,0cyclictest32313-21cat07:40:140
19492991717,0cyclictest28982-21cat10:10:160
19492991717,0cyclictest18549-21cat08:25:140
19492991716,1cyclictest65850irq/126-lan11:10:180
19492991716,1cyclictest65850irq/126-lan10:30:170
19492991716,1cyclictest65850irq/126-lan09:20:130
19492991716,1cyclictest65850irq/126-lan07:55:180
19492991716,1cyclictest65850irq/126-lan07:45:140
19492991616,0cyclictest743-21snmpd11:29:200
19492991616,0cyclictest743-21snmpd11:09:010
19492991616,0cyclictest743-21snmpd09:05:570
19492991616,0cyclictest743-21snmpd09:02:510
19492991616,0cyclictest743-21snmpd08:12:200
19492991616,0cyclictest65850irq/126-lan10:42:230
19492991616,0cyclictest65850irq/126-lan10:39:530
19492991616,0cyclictest65850irq/126-lan10:15:140
19492991616,0cyclictest65850irq/126-lan10:00:150
19492991616,0cyclictest65850irq/126-lan09:55:190
19492991616,0cyclictest65850irq/126-lan09:40:120
19492991616,0cyclictest65850irq/126-lan07:50:190
19492991616,0cyclictest65850irq/126-lan07:35:210
19492991616,0cyclictest2647-21cat10:25:120
19492991616,0cyclictest12389-21cat09:30:150
19492991615,1cyclictest65850irq/126-lan11:50:140
19492991615,1cyclictest65850irq/126-lan07:15:150
19492991515,0cyclictest65850irq/126-lan12:05:180
19492991515,0cyclictest65850irq/126-lan11:55:010
19492991515,0cyclictest65850irq/126-lan11:00:210
19492991515,0cyclictest65850irq/126-lan10:45:230
19492991515,0cyclictest65850irq/126-lan08:00:490
19492991515,0cyclictest65850irq/126-lan07:30:170
19492991514,1cyclictest65850irq/126-lan11:30:560
19492991514,1cyclictest65850irq/126-lan09:50:120
19492991514,1cyclictest65850irq/126-lan07:29:430
19492991514,1cyclictest65850irq/126-lan07:10:110
19492991414,0cyclictest65850irq/126-lan12:30:120
19492991414,0cyclictest65850irq/126-lan12:25:260
19492991414,0cyclictest65850irq/126-lan12:16:220
19492991414,0cyclictest65850irq/126-lan12:00:180
19492991414,0cyclictest65850irq/126-lan08:35:150
19492991414,0cyclictest65850irq/126-lan08:19:160
19492991413,1cyclictest65850irq/126-lan09:10:120
19492991413,1cyclictest65850irq/126-lan08:50:000
19492991313,0cyclictest65850irq/126-lan12:20:160
19492991313,0cyclictest65850irq/126-lan10:55:210
19492991313,0cyclictest65850irq/126-lan08:45:200
19492991312,1cyclictest65850irq/126-lan12:10:170
19492991312,1cyclictest65850irq/126-lan11:40:130
19492991212,0cyclictest65850irq/126-lan09:29:160
19492991211,1cyclictest65850irq/126-lan10:20:500
19492991010,0cyclictest65850irq/126-lan08:30:170
195099998,1cyclictest741-21lldpd10:58:173
195099998,1cyclictest522-21avahi-daemon08:30:253
195009998,1cyclictest743-21snmpd08:00:021
195009998,1cyclictest741-21lldpd08:06:451
195099988,0cyclictest743-21snmpd11:34:543
195099988,0cyclictest743-21snmpd09:34:283
195099988,0cyclictest743-21snmpd09:20:583
195099988,0cyclictest741-21lldpd12:13:493
195099988,0cyclictest741-21lldpd08:58:493
195099988,0cyclictest741-21lldpd07:51:123
195099987,1cyclictest743-21snmpd11:26:333
195099987,1cyclictest743-21snmpd08:54:073
195099986,2cyclictest743-21snmpd08:48:423
195099986,2cyclictest743-21snmpd08:42:093
195099986,2cyclictest743-21snmpd08:01:593
195059988,0cyclictest743-21snmpd11:50:122
195059988,0cyclictest743-21snmpd11:30:572
195059988,0cyclictest743-21snmpd07:42:402
195059988,0cyclictest741-21lldpd12:18:392
195059988,0cyclictest741-21lldpd12:05:492
195059988,0cyclictest741-21lldpd09:46:052
195059987,1cyclictest743-21snmpd12:04:522
195059987,1cyclictest743-21snmpd11:29:052
195059987,1cyclictest743-21snmpd09:17:132
195059987,1cyclictest743-21snmpd08:57:332
195059987,1cyclictest741-21lldpd09:37:392
195059987,1cyclictest6217-21cpuspeed_turbos11:55:112
195059987,1cyclictest12994-21sendmail_mailqu08:10:182
195059986,2cyclictest743-21snmpd11:42:232
195059986,2cyclictest743-21snmpd08:46:182
195059986,2cyclictest743-21snmpd07:48:382
195059984,3cyclictest4206-21grep09:10:132
195009988,0cyclictest743-21snmpd07:27:191
195009988,0cyclictest741-21lldpd12:17:131
195009988,0cyclictest741-21lldpd10:19:301
195009988,0cyclictest741-21lldpd09:42:501
195009988,0cyclictest741-21lldpd08:30:141
195009988,0cyclictest741-21lldpd07:23:471
195009987,1cyclictest743-21snmpd11:32:391
195009987,1cyclictest743-21snmpd10:22:361
195009987,1cyclictest741-21lldpd09:13:321
195009987,1cyclictest32487-21needreboot07:40:151
195009986,2cyclictest743-21snmpd11:50:151
195009980,4cyclictest244-20systemd-journal11:23:221
194929987,1cyclictest741-21lldpd08:44:230
195099977,0cyclictest741-21lldpd10:39:323
195099977,0cyclictest741-21lldpd07:48:203
195099977,0cyclictest741-21lldpd07:30:303
195099976,1cyclictest743-21snmpd12:32:173
195099976,1cyclictest743-21snmpd10:23:243
195099976,1cyclictest743-21snmpd10:19:173
195099976,1cyclictest522-21avahi-daemon07:41:193
195099975,2cyclictest743-21snmpd12:24:313
195099975,2cyclictest743-21snmpd11:22:503
195099975,2cyclictest743-21snmpd09:15:493
195099975,2cyclictest743-21snmpd08:24:303
195099975,2cyclictest24520-21cat10:00:163
195099973,3cyclictest5230-21users09:10:203
195059977,0cyclictest743-21snmpd08:16:082
195059977,0cyclictest743-21snmpd08:02:592
195059977,0cyclictest741-21lldpd09:32:492
195059977,0cyclictest741-21lldpd08:52:272
195059977,0cyclictest741-21lldpd07:16:122
195059977,0cyclictest522-21avahi-daemon12:30:202
195059976,1cyclictest743-21snmpd12:12:152
195059976,1cyclictest522-21avahi-daemon10:19:092
195059976,1cyclictest10017-21cpuspeed_turbos09:25:132
195059975,2cyclictest743-21snmpd10:56:162
195059975,2cyclictest743-21snmpd10:36:272
195059975,2cyclictest743-21snmpd10:14:452
195059975,2cyclictest743-21snmpd08:08:002
195059975,2cyclictest743-21snmpd07:56:142
195059975,2cyclictest743-21snmpd07:29:162
195059975,2cyclictest16788-21cat11:00:172
195059972,5cyclictest557-21NetworkManager11:47:112
195009977,0cyclictest743-21snmpd12:25:491
195009977,0cyclictest741-21lldpd12:33:241
195009977,0cyclictest741-21lldpd11:01:371
195009977,0cyclictest741-21lldpd10:56:141
195009977,0cyclictest741-21lldpd10:50:101
195009977,0cyclictest741-21lldpd09:27:041
195009977,0cyclictest741-21lldpd08:37:241
195009977,0cyclictest741-21lldpd08:26:061
195009977,0cyclictest741-21lldpd08:17:201
195009976,1cyclictest743-21snmpd09:19:521
195009976,1cyclictest21966-21fschecks_time07:15:141
195009976,1cyclictest18317-21gltestperf09:45:121
195009975,2cyclictest743-21snmpd12:37:141
195009975,2cyclictest743-21snmpd11:57:331
195009975,2cyclictest743-21snmpd08:13:411
195009975,2cyclictest743-21snmpd07:37:131
195009975,2cyclictest22816-21cat11:15:151
195009975,2cyclictest17017-21grep12:20:151
194929976,1cyclictest5567-21kworker/0:2+events11:35:160
195099966,0cyclictest741-21lldpd10:34:503
195099966,0cyclictest741-21lldpd09:39:133
195099965,1cyclictest743-21snmpd10:25:103
195099965,1cyclictest743-21snmpd08:37:193
195099965,1cyclictest729-21cron12:40:003
195099964,2cyclictest0-21swapper/307:25:133
195099963,3cyclictest22554-21ntp_states07:15:193
195099963,3cyclictest18910-21memory11:05:173
195099963,2cyclictest15197-21memory12:15:183
195059966,0cyclictest743-21snmpd12:25:192
195059966,0cyclictest743-21snmpd10:09:412
195059966,0cyclictest741-21lldpd08:42:102
195059966,0cyclictest741-21lldpd07:24:592
195059966,0cyclictest522-21avahi-daemon09:03:382
195059965,1cyclictest743-21snmpd07:12:582
195059965,1cyclictest12633-21gltestperf10:50:152
195059964,2cyclictest743-21snmpd09:51:052
195059964,2cyclictest20560-21cat08:30:182
195059963,3cyclictest30748-21perl11:35:132
195059962,4cyclictest557-21NetworkManager10:44:192
195059962,3cyclictest16174-21diskstats09:40:142
195059960,5cyclictest2078-21sed10:25:002
195009966,0cyclictest743-21snmpd09:57:351
195009966,0cyclictest741-21lldpd12:11:191
195009966,0cyclictest741-21lldpd11:49:021
195009966,0cyclictest741-21lldpd09:37:231
195009966,0cyclictest741-21lldpd08:23:061
195009966,0cyclictest741-21lldpd07:53:111
195009966,0cyclictest522-21avahi-daemon11:40:021
195009966,0cyclictest522-21avahi-daemon09:07:541
195009965,1cyclictest743-21snmpd11:26:081
195009965,1cyclictest573-21in:imuxsock10:38:371
195009965,1cyclictest32318-21cpuspeed_turbos09:00:131
195009964,2cyclictest743-21snmpd12:07:521
195009964,2cyclictest743-21snmpd11:36:171
195009964,2cyclictest743-21snmpd10:08:171
195009963,1cyclictest244-20systemd-journal09:53:271
195009962,3cyclictest321rcuc/110:40:131
195009962,3cyclictest28882-21sed10:10:171
195099955,0cyclictest741-21lldpd10:40:013
195099955,0cyclictest741-21lldpd07:59:183
195099955,0cyclictest522-21avahi-daemon12:04:193
195099954,1cyclictest743-21snmpd11:16:463
195099954,1cyclictest743-21snmpd11:00:373
195099954,1cyclictest743-21snmpd09:25:523
195099954,1cyclictest743-21snmpd08:09:233
195099954,1cyclictest2570-21ntpq09:05:183
195099953,2cyclictest743-21snmpd09:40:563
195099953,2cyclictest557-21NetworkManager09:49:383
195099953,2cyclictest5410-21grep11:50:193
195099953,2cyclictest30082-21grep07:35:153
195099952,3cyclictest2411-21fw_packets11:45:123
195099952,2cyclictest13778-21sh08:15:003
195099951,4cyclictest21145-21ntpq11:10:173
195099951,3cyclictest6950-21ntpq11:55:163
195099951,3cyclictest665-21ntp_states09:00:183
195099951,3cyclictest244-20systemd-journal08:26:133
195099951,3cyclictest20125-21grep09:50:123
195059955,0cyclictest743-21snmpd09:06:422
195059955,0cyclictest522-21avahi-daemon07:31:542
195059955,0cyclictest506-21systemd-resolve11:09:482
195059954,1cyclictest743-21snmpd12:23:072
195059954,1cyclictest21080-21ntpq11:10:172
195059953,2cyclictest24869-21cat11:20:132
195059952,3cyclictest23029-21fw_forwarded_lo12:35:172
195059952,2cyclictest717-21ntpd07:35:202
195059952,2cyclictest244-20systemd-journal11:18:592
195059952,2cyclictest244-20systemd-journal10:27:482
195059952,2cyclictest10003-21cron10:49:552
195009955,0cyclictest741-21lldpd10:26:041
195009955,0cyclictest741-21lldpd10:00:301
195009955,0cyclictest741-21lldpd07:56:221
195009955,0cyclictest522-21avahi-daemon08:42:371
195009954,1cyclictest743-21snmpd08:57:301
195009953,2cyclictest743-21snmpd08:46:331
195009953,1cyclictest21411-21mailstats11:10:211
195009953,0cyclictest191rcu_preempt07:10:201
195009952,3cyclictest717-21ntpd09:22:361
195009952,2cyclictest5369-21sed10:30:201
195009952,2cyclictest1831-21grep07:45:141
195009952,2cyclictest10721-21awk10:45:161
195009952,1cyclictest191rcu_preempt11:05:411
195009950,2cyclictest0-21swapper/112:00:191
195009950,2cyclictest0-21swapper/109:30:181
195099942,2cyclictest743-21snmpd12:27:013
195099942,2cyclictest10829-21sed10:45:153
195099941,2cyclictest26654-21grep10:05:123
195099941,2cyclictest22208-21df09:55:133
195099941,2cyclictest12699-21ls10:50:153
195099940,4cyclictest20458-21ntpq07:10:173
195099940,3cyclictest31295-21ntp_states11:35:173
195099940,3cyclictest29438-21/usr/sbin/munin10:10:213
195099940,3cyclictest24064-21fw_packets07:20:323
195099940,3cyclictest12830-21ntp_states08:10:173
195099940,3cyclictest11113-21ls12:05:183
195059944,0cyclictest0-21swapper/208:35:162
195059943,1cyclictest522-21avahi-daemon10:30:292
195059941,2cyclictest3846-21grep07:50:132
195059941,2cyclictest24517-21cat10:00:162
195059941,2cyclictest22742-21netstat09:55:172
195059941,2cyclictest19246-21cat08:25:212
195059941,2cyclictest16219-21cpuspeed_turbos08:20:142
195059940,3cyclictest8098-21diskstats09:20:132
195009944,0cyclictest24695-21kworker/u16:3-flush-259:007:30:101
195009941,2cyclictest28456-21tune2fs08:50:131
195099931,2cyclictest32560-21cat11:40:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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