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2025-04-11 - 22:35

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 Fri Apr 11, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11712992019,1cyclictest55650irq/125-lan11:10:021
11712992018,1cyclictest55650irq/125-lan11:56:021
11712991919,0cyclictest55650irq/125-lan11:26:181
11712991919,0cyclictest55650irq/125-lan09:51:471
11712991919,0cyclictest55650irq/125-lan09:33:291
11712991918,1cyclictest55650irq/125-lan12:28:551
11712991918,1cyclictest55650irq/125-lan12:21:121
11712991918,1cyclictest55650irq/125-lan12:17:531
11712991918,1cyclictest55650irq/125-lan12:09:251
11712991918,1cyclictest55650irq/125-lan11:49:591
11712991918,1cyclictest55650irq/125-lan11:31:011
11712991918,1cyclictest55650irq/125-lan11:20:121
11712991918,1cyclictest55650irq/125-lan11:03:401
11712991918,1cyclictest55650irq/125-lan10:58:221
11712991918,1cyclictest55650irq/125-lan10:48:551
11712991918,1cyclictest55650irq/125-lan10:42:091
11712991918,1cyclictest55650irq/125-lan10:35:241
11712991918,1cyclictest55650irq/125-lan10:30:481
11712991918,1cyclictest55650irq/125-lan10:21:021
11712991918,1cyclictest55650irq/125-lan10:13:371
11712991918,1cyclictest55650irq/125-lan10:08:571
11712991918,1cyclictest55650irq/125-lan10:00:331
11712991918,1cyclictest55650irq/125-lan09:56:451
11712991918,1cyclictest55650irq/125-lan09:44:511
11712991918,1cyclictest55650irq/125-lan09:21:281
11712991918,1cyclictest55650irq/125-lan08:26:241
11712991918,1cyclictest55650irq/125-lan08:04:091
11712991917,1cyclictest55650irq/125-lan10:27:381
11712991917,1cyclictest55650irq/125-lan08:05:011
11712991818,0cyclictest55650irq/125-lan12:32:331
11712991818,0cyclictest55650irq/125-lan11:16:071
11712991818,0cyclictest55650irq/125-lan11:05:071
11712991817,1cyclictest55650irq/125-lan12:11:351
11712991817,1cyclictest55650irq/125-lan11:50:121
11712991817,1cyclictest55650irq/125-lan11:40:521
11712991817,1cyclictest55650irq/125-lan11:36:001
11712991817,1cyclictest55650irq/125-lan10:50:261
11712991817,1cyclictest55650irq/125-lan10:15:151
11712991817,1cyclictest55650irq/125-lan09:45:341
11712991817,1cyclictest55650irq/125-lan09:35:201
11712991817,1cyclictest55650irq/125-lan09:26:091
11712991817,1cyclictest55650irq/125-lan09:17:171
11712991817,1cyclictest55650irq/125-lan09:10:461
11712991817,1cyclictest55650irq/125-lan08:54:071
11712991817,1cyclictest55650irq/125-lan08:35:191
11712991817,1cyclictest55650irq/125-lan07:40:221
11712991817,1cyclictest55650irq/125-lan07:31:181
11712991817,1cyclictest55650irq/125-lan07:19:551
11712991816,1cyclictest55650irq/125-lan12:00:091
11712991717,0cyclictest55650irq/125-lan08:44:541
11712991716,1cyclictest55650irq/125-lan12:36:081
11712991716,1cyclictest55650irq/125-lan07:55:181
11712991615,1cyclictest55650irq/125-lan08:30:161
11712991615,1cyclictest55650irq/125-lan08:20:211
11712991615,1cyclictest55650irq/125-lan08:15:141
11712991615,1cyclictest55650irq/125-lan07:50:141
11712991615,1cyclictest55650irq/125-lan07:36:261
11712991615,1cyclictest55650irq/125-lan07:23:581
11712991514,1cyclictest55650irq/125-lan08:55:171
11712991514,1cyclictest55650irq/125-lan07:25:511
11712991413,1cyclictest55650irq/125-lan09:04:271
11712991413,1cyclictest55650irq/125-lan08:48:311
11712991413,1cyclictest55650irq/125-lan08:12:421
11712991413,1cyclictest55650irq/125-lan07:45:101
11712991413,1cyclictest55650irq/125-lan07:11:201
11712991312,1cyclictest55650irq/125-lan09:08:371
1170799109,1cyclictest257-21systemd-udevd12:00:220
1170799106,3cyclictest703-21snmpd11:43:200
117079999,0cyclictest703-21snmpd12:34:330
117079998,1cyclictest703-21snmpd11:31:590
117079998,1cyclictest703-21snmpd10:54:270
117079998,1cyclictest703-21snmpd10:19:470
117079998,1cyclictest703-21snmpd09:42:540
117079998,1cyclictest703-21snmpd09:11:560
117079998,1cyclictest703-21snmpd08:24:310
117079998,1cyclictest703-21snmpd07:44:530
117079998,1cyclictest26512-21fschecks_time10:35:160
117079998,1cyclictest257-21systemd-udevd08:34:210
117079998,0cyclictest703-21snmpd09:08:050
117079997,1cyclictest703-21snmpd10:21:440
117079996,2cyclictest703-21snmpd10:56:430
117079996,2cyclictest703-21snmpd10:48:270
117079996,2cyclictest703-21snmpd07:45:050
117079995,3cyclictest17107-21df08:50:160
117079988,0cyclictest703-21snmpd12:20:090
117079988,0cyclictest703-21snmpd11:37:080
117079988,0cyclictest703-21snmpd08:10:100
117079988,0cyclictest703-21snmpd07:36:510
117079988,0cyclictest294-21hwrng12:28:050
117079988,0cyclictest294-21hwrng11:56:210
117079988,0cyclictest294-21hwrng11:50:120
117079988,0cyclictest294-21hwrng09:39:090
117079988,0cyclictest294-21hwrng08:45:540
117079988,0cyclictest294-21hwrng08:40:460
117079988,0cyclictest294-21hwrng07:51:370
117079988,0cyclictest294-21hwrng07:11:410
117079987,1cyclictest970-21ntp_kernel_pll_08:05:170
117079987,1cyclictest703-21snmpd12:07:480
117079987,1cyclictest703-21snmpd10:04:190
117079987,1cyclictest703-21snmpd09:50:450
117079987,1cyclictest703-21snmpd09:16:590
117079987,1cyclictest703-21snmpd08:27:430
117079987,1cyclictest0-21swapper/011:00:190
117079986,2cyclictest703-21snmpd09:45:210
117079986,2cyclictest703-21snmpd08:00:270
117079986,2cyclictest703-21snmpd07:25:010
117079986,2cyclictest12379-21tail12:10:220
117079986,1cyclictest13869-21fschecks_time07:15:140
117079985,2cyclictest703-21snmpd11:22:460
117079985,2cyclictest703-21snmpd08:57:420
117079985,2cyclictest703-21snmpd08:38:310
117079985,2cyclictest703-21snmpd07:20:340
117079984,3cyclictest703-21snmpd12:36:510
117079977,0cyclictest703-21snmpd10:31:080
117079977,0cyclictest294-21hwrng11:18:280
117079977,0cyclictest294-21hwrng09:57:340
117079977,0cyclictest294-21hwrng09:25:500
117079977,0cyclictest294-21hwrng09:22:450
117079975,2cyclictest17780-21cat12:15:140
117079975,2cyclictest171ktimers/010:40:170
117079974,3cyclictest6875-21sed10:10:130
117079974,2cyclictest703-21snmpd07:30:060
117079974,2cyclictest294-21hwrng09:33:000
117079966,0cyclictest703-21snmpd10:25:320
117079966,0cyclictest294-21hwrng11:45:050
117079966,0cyclictest294-21hwrng11:27:420
117079965,1cyclictest3870-21/usr/sbin/munin08:15:180
117079965,1cyclictest21495-21sendmail_mailqu09:00:160
117079964,2cyclictest703-21snmpd10:07:020
117079955,0cyclictest294-21hwrng11:11:180
117079950,1cyclictest24020-21diskmemload11:05:060
117079940,3cyclictest29043-21/usr/sbin/munin07:55:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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