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2025-11-28 - 21:52

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 376 highest latencies:
System rack8slot7s.osadl.org (updated Fri Nov 28, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8803992019,1cyclictest55650irq/125-lan12:15:520
8803992019,1cyclictest55650irq/125-lan10:48:310
8803992019,1cyclictest55650irq/125-lan10:03:480
8803991918,1cyclictest55650irq/125-lan12:37:140
8803991918,1cyclictest55650irq/125-lan12:20:350
8803991918,1cyclictest55650irq/125-lan12:14:490
8803991918,1cyclictest55650irq/125-lan11:50:150
8803991918,1cyclictest55650irq/125-lan11:45:260
8803991918,1cyclictest55650irq/125-lan11:40:130
8803991918,1cyclictest55650irq/125-lan11:17:500
8803991918,1cyclictest55650irq/125-lan11:13:360
8803991918,1cyclictest55650irq/125-lan11:01:230
8803991918,1cyclictest55650irq/125-lan10:35:080
8803991918,1cyclictest55650irq/125-lan10:29:220
8803991918,1cyclictest55650irq/125-lan10:24:040
8803991918,1cyclictest55650irq/125-lan09:35:500
8803991918,1cyclictest55650irq/125-lan09:30:170
8803991918,1cyclictest55650irq/125-lan09:28:230
8803991918,1cyclictest55650irq/125-lan09:17:190
8803991918,1cyclictest55650irq/125-lan09:10:580
8803991918,1cyclictest55650irq/125-lan09:07:050
8803991918,1cyclictest55650irq/125-lan07:52:140
8803991917,2cyclictest55650irq/125-lan10:40:320
8803991917,1cyclictest55650irq/125-lan11:20:140
8803991917,1cyclictest55650irq/125-lan10:05:010
8803991916,2cyclictest55650irq/125-lan11:35:120
8803991818,0cyclictest55650irq/125-lan11:25:250
8803991818,0cyclictest55650irq/125-lan08:09:080
8803991817,1cyclictest55650irq/125-lan12:08:430
8803991817,1cyclictest55650irq/125-lan11:55:420
8803991817,1cyclictest55650irq/125-lan11:30:370
8803991817,1cyclictest55650irq/125-lan11:05:010
8803991817,1cyclictest55650irq/125-lan10:57:480
8803991817,1cyclictest55650irq/125-lan10:50:590
8803991817,1cyclictest55650irq/125-lan10:30:220
8803991817,1cyclictest55650irq/125-lan09:56:000
8803991817,1cyclictest55650irq/125-lan09:50:230
8803991817,1cyclictest55650irq/125-lan09:45:040
8803991817,1cyclictest55650irq/125-lan09:44:570
8803991817,1cyclictest55650irq/125-lan07:59:460
8803991817,1cyclictest55650irq/125-lan07:35:200
8803991817,1cyclictest55650irq/125-lan07:31:410
8803991817,1cyclictest55650irq/125-lan07:10:150
8803991816,2cyclictest55650irq/125-lan10:10:120
8803991717,0cyclictest55650irq/125-lan12:31:020
8803991717,0cyclictest55650irq/125-lan10:15:400
8803991717,0cyclictest55650irq/125-lan08:59:250
8803991717,0cyclictest55650irq/125-lan08:21:430
8803991717,0cyclictest55650irq/125-lan07:41:340
8803991716,1cyclictest55650irq/125-lan12:25:050
8803991716,1cyclictest55650irq/125-lan09:20:070
8803991716,1cyclictest55650irq/125-lan09:00:210
8803991716,1cyclictest55650irq/125-lan08:36:100
8803991716,1cyclictest55650irq/125-lan08:10:200
8803991716,1cyclictest55650irq/125-lan08:00:140
8803991716,1cyclictest55650irq/125-lan07:28:410
8803991716,1cyclictest55650irq/125-lan07:20:220
8803991716,1cyclictest55650irq/125-lan07:16:000
8803991715,1cyclictest55650irq/125-lan12:00:220
8803991616,0cyclictest55650irq/125-lan08:46:380
8803991615,1cyclictest55650irq/125-lan08:40:230
8803991615,1cyclictest55650irq/125-lan08:33:160
8803991615,1cyclictest55650irq/125-lan08:26:570
8803991514,1cyclictest55650irq/125-lan07:49:060
8807991414,0cyclictest294-21hwrng12:12:111
8807991414,0cyclictest294-21hwrng11:28:081
8807991414,0cyclictest294-21hwrng10:26:431
8807991414,0cyclictest294-21hwrng08:40:131
8807991414,0cyclictest294-21hwrng07:19:201
8803991413,1cyclictest55650irq/125-lan08:51:300
8807991313,0cyclictest294-21hwrng09:18:061
8803991312,1cyclictest55650irq/125-lan08:17:120
8807991212,0cyclictest294-21hwrng11:57:511
8807991212,0cyclictest294-21hwrng11:24:031
8807991212,0cyclictest294-21hwrng10:54:211
8807991212,0cyclictest294-21hwrng10:12:221
8807991212,0cyclictest294-21hwrng09:23:141
8807991111,0cyclictest294-21hwrng12:36:461
8807991111,0cyclictest294-21hwrng12:19:211
8807991111,0cyclictest294-21hwrng11:52:441
8807991111,0cyclictest294-21hwrng11:31:141
8807991111,0cyclictest294-21hwrng10:42:041
8807991111,0cyclictest294-21hwrng10:35:561
8807991111,0cyclictest294-21hwrng10:21:361
8807991111,0cyclictest294-21hwrng09:25:171
8807991111,0cyclictest294-21hwrng09:14:011
8807991010,0cyclictest294-21hwrng12:21:241
8807991010,0cyclictest294-21hwrng10:31:501
8807991010,0cyclictest294-21hwrng09:37:341
8807991010,0cyclictest294-21hwrng09:31:241
8807991010,0cyclictest294-21hwrng09:09:551
88079999,0cyclictest294-21hwrng12:02:581
88079999,0cyclictest294-21hwrng09:56:001
88079999,0cyclictest1696-21ntp_offset08:15:161
88079998,1cyclictest7143-21ntp_kernel_err08:30:161
88079998,1cyclictest703-21snmpd10:00:431
88079998,1cyclictest703-21snmpd08:12:351
88079998,1cyclictest15144-21ntp_offset11:35:181
88079997,1cyclictest703-21snmpd07:49:561
88079997,1cyclictest703-21snmpd07:20:281
88079996,2cyclictest703-21snmpd12:33:501
88079996,2cyclictest703-21snmpd11:02:271
88079996,2cyclictest703-21snmpd09:44:061
88079996,2cyclictest703-21snmpd09:00:201
88079996,2cyclictest703-21snmpd08:24:581
88079996,2cyclictest703-21snmpd07:35:281
88079988,0cyclictest703-21snmpd09:46:031
88079988,0cyclictest294-21hwrng11:10:451
88079988,0cyclictest294-21hwrng10:57:261
88079988,0cyclictest294-21hwrng10:08:171
88079988,0cyclictest294-21hwrng09:53:571
88079988,0cyclictest294-21hwrng08:35:061
88079988,0cyclictest294-21hwrng08:27:561
88079988,0cyclictest294-21hwrng07:51:041
88079988,0cyclictest294-21hwrng07:43:541
88079988,0cyclictest294-21hwrng07:31:361
88079988,0cyclictest294-21hwrng07:11:081
88079987,1cyclictest703-21snmpd11:16:271
88079987,1cyclictest5412-21ssh10:45:151
88079987,1cyclictest15101-21ntp_kernel_err07:25:161
88079987,1cyclictest13052-21grep08:45:151
88079987,1cyclictest12681-21ntp_kernel_pll_10:15:161
88079985,2cyclictest703-21snmpd07:55:591
88079984,3cyclictest703-21snmpd12:26:381
88079977,0cyclictest294-21hwrng11:48:381
88079977,0cyclictest294-21hwrng08:50:271
88079977,0cyclictest294-21hwrng08:00:171
88079977,0cyclictest18692-21/usr/sbin/munin11:40:231
88079976,1cyclictest703-21snmpd08:05:091
88079976,1cyclictest26829-21ssh11:10:001
88079976,1cyclictest16740-21fschecks_count08:55:121
88079975,2cyclictest703-21snmpd12:06:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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