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2025-05-16 - 01:04

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #7

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 792 highest latencies:
System rack8slot7s.osadl.org (updated Thu May 15, 2025 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5349992828,0cyclictest11701-21fwupd12:23:590
5349992019,1cyclictest55650irq/125-lan11:03:230
5352991917,2cyclictest703-21snmpd10:44:231
5349991919,0cyclictest55650irq/125-lan11:35:070
5349991918,1cyclictest55650irq/125-lan12:15:230
5349991918,1cyclictest55650irq/125-lan12:02:160
5349991918,1cyclictest55650irq/125-lan11:49:270
5349991918,1cyclictest55650irq/125-lan11:26:430
5349991918,1cyclictest55650irq/125-lan10:52:300
5349991918,1cyclictest55650irq/125-lan09:57:210
5349991918,1cyclictest55650irq/125-lan09:45:210
5349991918,1cyclictest55650irq/125-lan09:42:580
5349991918,1cyclictest55650irq/125-lan09:22:050
5349991918,1cyclictest55650irq/125-lan09:06:250
5349991918,1cyclictest55650irq/125-lan08:56:050
5349991918,1cyclictest55650irq/125-lan07:20:320
5349991917,2cyclictest55650irq/125-lan12:32:480
5349991818,0cyclictest55650irq/125-lan12:25:370
5349991818,0cyclictest55650irq/125-lan11:15:120
5349991818,0cyclictest55650irq/125-lan10:55:190
5349991818,0cyclictest55650irq/125-lan10:30:030
5349991818,0cyclictest55650irq/125-lan08:02:010
5349991817,1cyclictest55650irq/125-lan12:13:040
5349991817,1cyclictest55650irq/125-lan12:05:390
5349991817,1cyclictest55650irq/125-lan11:55:580
5349991817,1cyclictest55650irq/125-lan11:44:020
5349991817,1cyclictest55650irq/125-lan11:11:270
5349991817,1cyclictest55650irq/125-lan11:05:030
5349991817,1cyclictest55650irq/125-lan10:46:050
5349991817,1cyclictest55650irq/125-lan10:40:590
5349991817,1cyclictest55650irq/125-lan10:20:080
5349991817,1cyclictest55650irq/125-lan10:15:120
5349991817,1cyclictest55650irq/125-lan10:11:140
5349991817,1cyclictest55650irq/125-lan10:05:380
5349991817,1cyclictest55650irq/125-lan09:35:160
5349991817,1cyclictest55650irq/125-lan09:33:560
5349991817,1cyclictest55650irq/125-lan09:15:040
5349991817,1cyclictest55650irq/125-lan09:12:080
5349991817,1cyclictest55650irq/125-lan08:34:020
5349991817,1cyclictest55650irq/125-lan08:20:270
5349991817,1cyclictest55650irq/125-lan08:18:450
5349991817,1cyclictest55650irq/125-lan08:11:090
5349991816,1cyclictest55650irq/125-lan09:25:140
5349991717,0cyclictest55650irq/125-lan12:38:150
5349991717,0cyclictest55650irq/125-lan09:51:240
5349991717,0cyclictest55650irq/125-lan08:44:030
5349991717,0cyclictest55650irq/125-lan07:39:300
5349991716,1cyclictest55650irq/125-lan11:52:400
5349991716,1cyclictest55650irq/125-lan11:30:230
5349991716,1cyclictest55650irq/125-lan11:20:250
5349991716,1cyclictest55650irq/125-lan10:35:560
5349991716,1cyclictest55650irq/125-lan10:25:120
5349991716,1cyclictest55650irq/125-lan10:00:150
5349991716,1cyclictest55650irq/125-lan07:55:210
5349991716,1cyclictest55650irq/125-lan07:47:300
5349991716,1cyclictest55650irq/125-lan07:30:150
5349991616,0cyclictest55650irq/125-lan08:08:280
5349991615,1cyclictest55650irq/125-lan08:25:130
5349991615,1cyclictest55650irq/125-lan07:50:240
5349991615,1cyclictest55650irq/125-lan07:12:280
5349991514,1cyclictest55650irq/125-lan07:43:280
5349991514,1cyclictest55650irq/125-lan07:15:160
5349991414,0cyclictest55650irq/125-lan08:35:290
5349991413,1cyclictest55650irq/125-lan09:00:130
5349991413,1cyclictest55650irq/125-lan08:50:330
5349991413,1cyclictest55650irq/125-lan08:45:240
5349991413,1cyclictest55650irq/125-lan07:25:190
5352991313,0cyclictest294-21hwrng09:47:271
5352991212,0cyclictest294-21hwrng08:14:151
5352991111,0cyclictest294-21hwrng10:50:561
5352991111,0cyclictest294-21hwrng10:28:241
535299108,2cyclictest7222-21ntp_kernel_pll_11:40:181
535299108,2cyclictest2316-21munin-plugin-st08:30:011
53529998,1cyclictest703-21snmpd12:39:051
53529998,1cyclictest703-21snmpd12:00:041
53529998,1cyclictest294-21hwrng07:21:001
53529998,1cyclictest26717-21processes09:20:291
53529998,1cyclictest23881-21ntp_offset11:20:171
53529998,1cyclictest15316-21ntp_kernel_pll_07:35:211
53529998,1cyclictest11653-21ntp_kernel_pll_07:25:181
53529996,2cyclictest703-21snmpd11:00:181
53529996,2cyclictest703-21snmpd08:00:331
53529993,2cyclictest31098-21diskstats11:30:141
53529988,0cyclictest7115-21kworker/1:2+events12:30:141
53529988,0cyclictest703-21snmpd12:27:031
53529988,0cyclictest703-21snmpd09:30:571
53529988,0cyclictest294-21hwrng11:25:441
53529988,0cyclictest294-21hwrng10:56:031
53529988,0cyclictest294-21hwrng10:47:511
53529988,0cyclictest294-21hwrng10:31:281
53529988,0cyclictest294-21hwrng10:06:531
53529988,0cyclictest294-21hwrng08:51:071
53529987,1cyclictest703-21snmpd11:36:371
53529987,1cyclictest703-21snmpd09:56:571
53529987,1cyclictest703-21snmpd09:07:391
53529987,1cyclictest703-21snmpd07:15:521
53529987,1cyclictest294-21hwrng08:30:381
53529987,1cyclictest23211-21proc_pri09:15:231
53529987,1cyclictest19083-21grep09:10:161
53529987,1cyclictest16915-21proc_pri09:50:201
53529986,2cyclictest703-21snmpd09:26:261
53529986,2cyclictest703-21snmpd09:02:121
53529986,2cyclictest19352-21cat10:35:141
53529985,3cyclictest703-21snmpd11:16:151
53529985,2cyclictest703-21snmpd08:56:351
53529985,2cyclictest703-21snmpd08:43:341
53529980,1cyclictest0-21swapper/107:30:141
53529977,0cyclictest703-21snmpd11:57:311
53529977,0cyclictest703-21snmpd09:41:521
53529977,0cyclictest703-21snmpd07:46:481
53529977,0cyclictest294-21hwrng11:52:211
53529977,0cyclictest294-21hwrng10:18:101
53529977,0cyclictest294-21hwrng09:37:121
53529977,0cyclictest294-21hwrng07:13:501
53529976,1cyclictest9433-21timerandwakeup08:45:241
53529976,1cyclictest703-21snmpd12:08:411
53529976,1cyclictest703-21snmpd11:06:011
53529976,1cyclictest703-21snmpd08:21:491
53529976,1cyclictest703-21snmpd07:52:261
53529976,1cyclictest4643-21gltestperf08:35:131
53529976,1cyclictest3867-21cat12:15:161
53529976,1cyclictest16295-21ntp_offset11:10:201
53529976,1cyclictest0-21swapper/112:10:141
53529976,1cyclictest0-21swapper/107:40:211
53529975,2cyclictest703-21snmpd12:22:331
53529975,1cyclictest0-21swapper/108:15:151
53529966,0cyclictest294-21hwrng10:12:011
53529966,0cyclictest294-21hwrng08:06:031
53529965,1cyclictest7115-21kworker/1:2+events10:03:211
53529965,1cyclictest703-21snmpd11:48:591
53529962,1cyclictest191rcu_preempt10:20:161
53529962,1cyclictest191rcu_preempt07:55:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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