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2025-11-16 - 15:59

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 highest latencies:
System rack8slot7s.osadl.org (updated Sun Nov 16, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16157991918,1cyclictest55650irq/125-lan12:10:000
16157991918,1cyclictest55650irq/125-lan11:53:360
16157991918,1cyclictest55650irq/125-lan11:45:260
16157991918,1cyclictest55650irq/125-lan11:41:280
16157991918,1cyclictest55650irq/125-lan11:22:340
16157991918,1cyclictest55650irq/125-lan11:17:520
16157991918,1cyclictest55650irq/125-lan11:01:550
16157991918,1cyclictest55650irq/125-lan10:50:220
16157991918,1cyclictest55650irq/125-lan10:47:310
16157991918,1cyclictest55650irq/125-lan10:37:250
16157991918,1cyclictest55650irq/125-lan10:30:230
16157991918,1cyclictest55650irq/125-lan10:14:030
16157991918,1cyclictest55650irq/125-lan10:06:080
16157991918,1cyclictest55650irq/125-lan10:00:000
16157991918,1cyclictest55650irq/125-lan09:42:170
16157991918,1cyclictest55650irq/125-lan09:29:240
16157991918,1cyclictest55650irq/125-lan09:20:410
16157991918,1cyclictest55650irq/125-lan09:17:160
16157991918,1cyclictest55650irq/125-lan09:10:180
16157991918,1cyclictest55650irq/125-lan07:46:400
16157991917,1cyclictest55650irq/125-lan12:31:410
16157991818,0cyclictest55650irq/125-lan12:11:190
16157991818,0cyclictest55650irq/125-lan12:04:520
16157991818,0cyclictest55650irq/125-lan10:55:430
16157991818,0cyclictest55650irq/125-lan10:40:480
16157991818,0cyclictest55650irq/125-lan09:45:060
16157991818,0cyclictest55650irq/125-lan08:50:050
16157991818,0cyclictest55650irq/125-lan08:33:410
16157991817,1cyclictest55650irq/125-lan12:35:270
16157991817,1cyclictest55650irq/125-lan12:25:090
16157991817,1cyclictest55650irq/125-lan12:18:150
16157991817,1cyclictest55650irq/125-lan11:56:130
16157991817,1cyclictest55650irq/125-lan11:35:330
16157991817,1cyclictest55650irq/125-lan11:30:220
16157991817,1cyclictest55650irq/125-lan11:25:440
16157991817,1cyclictest55650irq/125-lan11:14:450
16157991817,1cyclictest55650irq/125-lan10:25:180
16157991817,1cyclictest55650irq/125-lan10:21:200
16157991817,1cyclictest55650irq/125-lan09:51:100
16157991817,1cyclictest55650irq/125-lan09:38:260
16157991817,1cyclictest55650irq/125-lan09:34:180
16157991817,1cyclictest55650irq/125-lan08:35:210
16157991817,1cyclictest55650irq/125-lan08:29:400
16157991817,1cyclictest55650irq/125-lan07:57:170
16157991817,1cyclictest55650irq/125-lan07:31:180
16157991817,1cyclictest55650irq/125-lan07:18:110
16157991817,1cyclictest55650irq/125-lan07:14:300
16157991816,2cyclictest55650irq/125-lan09:56:120
16157991717,0cyclictest55650irq/125-lan08:10:140
16157991716,1cyclictest55650irq/125-lan12:22:000
16157991716,1cyclictest55650irq/125-lan11:05:130
16157991716,1cyclictest55650irq/125-lan10:17:530
16157991716,1cyclictest55650irq/125-lan09:01:010
16157991716,1cyclictest55650irq/125-lan08:23:520
16157991716,1cyclictest55650irq/125-lan07:50:120
16157991616,0cyclictest55650irq/125-lan07:24:290
16157991615,1cyclictest55650irq/125-lan09:05:220
16157991615,1cyclictest55650irq/125-lan08:18:290
16157991615,1cyclictest55650irq/125-lan08:05:140
16157991615,1cyclictest55650irq/125-lan07:25:190
16157991514,1cyclictest55650irq/125-lan08:40:190
16157991514,1cyclictest55650irq/125-lan08:03:450
16157991414,0cyclictest55650irq/125-lan08:58:400
16157991414,0cyclictest55650irq/125-lan08:47:250
16157991413,1cyclictest55650irq/125-lan07:40:160
16157991413,1cyclictest55650irq/125-lan07:38:520
16159991212,0cyclictest294-21hwrng08:34:541
16159991111,0cyclictest294-21hwrng11:25:541
1615999106,3cyclictest703-21snmpd07:45:431
1615999106,3cyclictest703-21snmpd07:21:051
1615999106,3cyclictest11889-21apt-get12:20:121
16159991010,0cyclictest294-21hwrng10:26:311
161599998,1cyclictest703-21snmpd11:34:511
161599998,1cyclictest703-21snmpd11:24:331
161599998,1cyclictest703-21snmpd09:31:531
161599998,1cyclictest23779-21apt-config07:27:581
161599996,2cyclictest703-21snmpd11:54:131
161599996,2cyclictest703-21snmpd10:19:191
161599996,2cyclictest703-21snmpd10:09:451
161599996,2cyclictest703-21snmpd09:57:001
161599996,2cyclictest703-21snmpd09:43:111
161599996,2cyclictest703-21snmpd08:45:381
161599996,2cyclictest703-21snmpd08:42:291
161599996,2cyclictest703-21snmpd08:10:051
161599996,2cyclictest703-21snmpd07:34:191
161599995,3cyclictest703-21snmpd12:10:131
161599995,3cyclictest703-21snmpd10:49:111
161599988,0cyclictest703-21snmpd12:17:411
161599988,0cyclictest703-21snmpd12:05:161
161599988,0cyclictest703-21snmpd10:38:391
161599988,0cyclictest703-21snmpd10:10:181
161599988,0cyclictest703-21snmpd08:21:541
161599988,0cyclictest703-21snmpd08:05:191
161599988,0cyclictest294-21hwrng07:41:391
161599987,1cyclictest478-21gmain12:36:581
161599987,1cyclictest23920-21ntp_offset12:30:201
161599987,1cyclictest19087-21/usr/sbin/munin09:35:191
161599987,1cyclictest17327-21ntp_kernel_pll_07:10:171
161599986,2cyclictest703-21snmpd07:19:091
161599986,2cyclictest22230-21cat10:50:161
161599985,3cyclictest703-21snmpd09:12:551
161599985,2cyclictest703-21snmpd10:58:531
161599985,2cyclictest703-21snmpd10:23:041
161599985,2cyclictest703-21snmpd09:17:501
161599985,2cyclictest703-21snmpd08:40:001
161599977,0cyclictest703-21snmpd11:40:361
161599977,0cyclictest703-21snmpd11:00:081
161599977,0cyclictest294-21hwrng08:19:321
161599976,1cyclictest7039-21collect211:45:181
161599976,1cyclictest703-21snmpd12:00:371
161599976,1cyclictest703-21snmpd11:56:431
161599976,1cyclictest703-21snmpd11:18:231
161599976,1cyclictest703-21snmpd08:26:211
161599976,1cyclictest27996-21apt-get09:45:131
161599976,1cyclictest10389-21pmu-power10:00:201
161599976,1cyclictest0-21swapper/109:00:201
161599975,1cyclictest0-21swapper/111:10:161
161599975,1cyclictest0-21swapper/111:05:141
161599974,3cyclictest681-21ntpd07:35:221
161599965,1cyclictest703-21snmpd09:08:341
161599965,1cyclictest21313-21kworker/u4:1+nfsiod10:42:141
161599965,1cyclictest16153-21cyclictest10:30:211
161599965,1cyclictest0-21swapper/111:35:231
161599964,2cyclictest1917-21ntp_states07:55:191
161599964,2cyclictest10844-21missed_timers09:25:191
161599963,2cyclictest703-21snmpd08:02:041
161599962,3cyclictest703-21snmpd12:25:261
161599955,0cyclictest24309-21needreboot08:55:161
161599953,2cyclictest703-21snmpd07:53:011
161599951,2cyclictest32578-21apt-get09:50:131
161599942,1cyclictest0-21swapper/108:50:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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