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2025-12-11 - 20:08

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 all highest latencies:
System rack8slot7s.osadl.org (updated Thu Dec 11, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13459992019,1cyclictest55650irq/125-lan09:15:220
13459992018,2cyclictest55650irq/125-lan11:48:260
13459992018,2cyclictest55650irq/125-lan09:05:160
13459992018,1cyclictest55650irq/125-lan10:17:060
13459992018,1cyclictest55650irq/125-lan10:17:060
13459991918,1cyclictest55650irq/125-lan12:38:420
13459991918,1cyclictest55650irq/125-lan12:15:360
13459991918,1cyclictest55650irq/125-lan12:11:070
13459991918,1cyclictest55650irq/125-lan12:05:380
13459991918,1cyclictest55650irq/125-lan11:54:480
13459991918,1cyclictest55650irq/125-lan11:36:170
13459991918,1cyclictest55650irq/125-lan10:55:240
13459991918,1cyclictest55650irq/125-lan10:54:550
13459991918,1cyclictest55650irq/125-lan10:29:200
13459991918,1cyclictest55650irq/125-lan10:07:100
13459991918,1cyclictest55650irq/125-lan09:30:490
13459991918,1cyclictest55650irq/125-lan09:27:230
13459991918,1cyclictest55650irq/125-lan08:40:190
13459991918,1cyclictest55650irq/125-lan08:15:060
13459991818,0cyclictest55650irq/125-lan12:25:180
13459991818,0cyclictest55650irq/125-lan12:01:070
13459991818,0cyclictest55650irq/125-lan11:06:000
13459991818,0cyclictest55650irq/125-lan09:53:060
13459991818,0cyclictest55650irq/125-lan09:42:030
13459991818,0cyclictest55650irq/125-lan07:58:110
13459991817,1cyclictest55650irq/125-lan12:30:130
13459991817,1cyclictest55650irq/125-lan11:55:500
13459991817,1cyclictest55650irq/125-lan11:40:150
13459991817,1cyclictest55650irq/125-lan11:20:140
13459991817,1cyclictest55650irq/125-lan11:11:070
13459991817,1cyclictest55650irq/125-lan11:03:210
13459991817,1cyclictest55650irq/125-lan10:49:500
13459991817,1cyclictest55650irq/125-lan10:40:140
13459991817,1cyclictest55650irq/125-lan10:37:130
13459991817,1cyclictest55650irq/125-lan10:30:020
13459991817,1cyclictest55650irq/125-lan10:20:120
13459991817,1cyclictest55650irq/125-lan09:55:010
13459991817,1cyclictest55650irq/125-lan09:37:310
13459991817,1cyclictest55650irq/125-lan09:21:280
13459991817,1cyclictest55650irq/125-lan09:12:130
13459991817,1cyclictest55650irq/125-lan08:33:430
13459991817,1cyclictest55650irq/125-lan08:28:580
13459991817,1cyclictest55650irq/125-lan08:14:450
13459991817,1cyclictest55650irq/125-lan08:05:090
13459991817,1cyclictest55650irq/125-lan07:54:030
13459991817,1cyclictest55650irq/125-lan07:25:470
13459991817,1cyclictest55650irq/125-lan07:20:210
13459991817,1cyclictest55650irq/125-lan07:10:430
13459991816,2cyclictest55650irq/125-lan12:21:190
13459991816,1cyclictest55650irq/125-lan09:45:010
13459991717,0cyclictest55650irq/125-lan11:17:310
13459991717,0cyclictest55650irq/125-lan10:00:240
13459991717,0cyclictest55650irq/125-lan08:45:210
13459991716,1cyclictest55650irq/125-lan11:30:130
13459991716,1cyclictest55650irq/125-lan11:25:370
13459991716,1cyclictest55650irq/125-lan10:11:550
13459991716,1cyclictest55650irq/125-lan08:56:240
13459991716,1cyclictest55650irq/125-lan08:50:150
13459991716,1cyclictest55650irq/125-lan08:39:480
13459991716,1cyclictest55650irq/125-lan07:49:580
13459991716,1cyclictest55650irq/125-lan07:41:060
13459991616,0cyclictest55650irq/125-lan07:17:220
13459991615,1cyclictest55650irq/125-lan09:00:400
13459991615,1cyclictest55650irq/125-lan08:20:180
13459991615,1cyclictest55650irq/125-lan08:01:200
13459991615,1cyclictest55650irq/125-lan07:35:190
13459991615,1cyclictest55650irq/125-lan07:31:510
13464991313,0cyclictest294-21hwrng12:17:021
13464991111,0cyclictest294-21hwrng12:23:111
13464991111,0cyclictest294-21hwrng08:31:461
13464991010,0cyclictest294-21hwrng10:13:081
13464991010,0cyclictest294-21hwrng09:15:481
13464991010,0cyclictest294-21hwrng08:24:361
134649999,0cyclictest294-21hwrng12:30:221
134649999,0cyclictest294-21hwrng11:31:591
134649998,1cyclictest703-21snmpd12:06:161
134649998,1cyclictest703-21snmpd09:20:261
134649998,1cyclictest703-21snmpd09:07:241
134649998,1cyclictest703-21snmpd09:01:301
134649998,1cyclictest703-21snmpd08:41:171
134649998,1cyclictest17283-21/usr/sbin/munin07:20:181
134649996,2cyclictest703-21snmpd11:15:061
134649988,0cyclictest703-21snmpd12:10:031
134649988,0cyclictest703-21snmpd11:05:461
134649988,0cyclictest703-21snmpd10:05:481
134649988,0cyclictest294-21hwrng10:52:031
134649988,0cyclictest294-21hwrng09:50:371
134649988,0cyclictest294-21hwrng09:46:311
134649988,0cyclictest294-21hwrng09:42:251
134649988,0cyclictest294-21hwrng09:27:051
134649988,0cyclictest294-21hwrng09:12:431
134649988,0cyclictest294-21hwrng08:16:241
134649988,0cyclictest294-21hwrng08:07:121
134649988,0cyclictest294-21hwrng07:30:211
134649987,1cyclictest703-21snmpd10:59:431
134649987,1cyclictest703-21snmpd09:58:421
134649987,1cyclictest294-21hwrng08:10:171
134649987,1cyclictest25658-21mailstats07:40:201
134649987,1cyclictest23499-21ntp_kernel_pll_07:35:191
134649987,1cyclictest17140-21timerwakeupswit12:35:241
134649987,1cyclictest15124-21apt-config11:25:001
134649986,2cyclictest703-21snmpd11:03:401
134649986,2cyclictest703-21snmpd10:38:161
134649986,2cyclictest703-21snmpd10:23:301
134649986,2cyclictest703-21snmpd09:32:311
134649986,2cyclictest703-21snmpd08:48:041
134649986,2cyclictest703-21snmpd08:37:411
134649985,2cyclictest703-21snmpd10:26:001
134649985,2cyclictest703-21snmpd08:01:251
134649985,2cyclictest0-21swapper/107:10:151
134649977,0cyclictest703-21snmpd10:49:201
134649977,0cyclictest703-21snmpd09:36:591
134649977,0cyclictest703-21snmpd08:50:551
134649977,0cyclictest703-21snmpd07:53:461
134649977,0cyclictest703-21snmpd07:18:361
134649977,0cyclictest701-21lldpd11:36:501
134649977,0cyclictest294-21hwrng12:29:201
134649977,0cyclictest294-21hwrng11:46:191
134649977,0cyclictest294-21hwrng11:21:461
134649977,0cyclictest294-21hwrng11:13:331
134649977,0cyclictest294-21hwrng08:55:191
134649977,0cyclictest294-21hwrng08:26:391
134649977,0cyclictest294-21hwrng07:59:001
134649976,1cyclictest703-21snmpd10:40:411
134649976,1cyclictest19532-21cat07:25:141
134649975,2cyclictest703-21snmpd11:51:131
134649975,2cyclictest703-21snmpd11:44:141
134649975,2cyclictest703-21snmpd10:30:061
134649975,1cyclictest0-21swapper/112:02:031
134649974,2cyclictest703-21snmpd07:48:461
134649966,0cyclictest294-21hwrng10:15:111
134649966,0cyclictest294-21hwrng10:15:111
134649965,1cyclictest703-21snmpd11:59:461
134649965,1cyclictest5209-21kworker/u4:2+nfsiod10:03:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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