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2025-12-12 - 09:15

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 Fri Dec 12, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9004991918,1cyclictest55650irq/125-lan23:34:390
9004991918,1cyclictest55650irq/125-lan23:29:120
9004991918,1cyclictest55650irq/125-lan23:07:400
9004991918,1cyclictest55650irq/125-lan22:53:280
9004991918,1cyclictest55650irq/125-lan22:40:240
9004991918,1cyclictest55650irq/125-lan22:34:250
9004991918,1cyclictest55650irq/125-lan22:20:400
9004991918,1cyclictest55650irq/125-lan22:07:320
9004991918,1cyclictest55650irq/125-lan21:37:130
9004991918,1cyclictest55650irq/125-lan21:15:180
9004991918,1cyclictest55650irq/125-lan19:18:490
9004991918,1cyclictest55650irq/125-lan19:12:380
9004991918,1cyclictest55650irq/125-lan00:13:520
9004991918,1cyclictest55650irq/125-lan00:00:240
9004991917,2cyclictest55650irq/125-lan23:55:040
9004991917,1cyclictest55650irq/125-lan22:25:170
9004991917,1cyclictest55650irq/125-lan00:07:010
9004991818,0cyclictest55650irq/125-lan00:15:420
9004991817,1cyclictest55650irq/125-lan23:52:470
9004991817,1cyclictest55650irq/125-lan23:45:140
9004991817,1cyclictest55650irq/125-lan23:36:320
9004991817,1cyclictest55650irq/125-lan23:10:080
9004991817,1cyclictest55650irq/125-lan23:00:580
9004991817,1cyclictest55650irq/125-lan22:55:120
9004991817,1cyclictest55650irq/125-lan22:46:440
9004991817,1cyclictest55650irq/125-lan22:00:320
9004991817,1cyclictest55650irq/125-lan21:59:130
9004991817,1cyclictest55650irq/125-lan21:52:170
9004991817,1cyclictest55650irq/125-lan21:49:060
9004991817,1cyclictest55650irq/125-lan21:33:520
9004991817,1cyclictest55650irq/125-lan21:25:230
9004991817,1cyclictest55650irq/125-lan21:20:310
9004991817,1cyclictest55650irq/125-lan21:11:290
9004991817,1cyclictest55650irq/125-lan21:07:290
9004991817,1cyclictest55650irq/125-lan20:45:080
9004991817,1cyclictest55650irq/125-lan20:06:570
9004991817,1cyclictest55650irq/125-lan19:54:460
9004991817,1cyclictest55650irq/125-lan19:30:410
9004991817,1cyclictest55650irq/125-lan00:29:360
9004991817,1cyclictest55650irq/125-lan00:22:320
9004991816,1cyclictest55650irq/125-lan23:20:150
9007991715,2cyclictest294-21hwrng23:10:341
9004991717,0cyclictest55650irq/125-lan19:55:540
9004991717,0cyclictest55650irq/125-lan19:44:040
9004991716,1cyclictest55650irq/125-lan23:40:590
9004991716,1cyclictest55650irq/125-lan23:15:560
9004991716,1cyclictest55650irq/125-lan22:35:560
9004991716,1cyclictest55650irq/125-lan22:16:290
9004991716,1cyclictest55650irq/125-lan22:12:080
9004991716,1cyclictest55650irq/125-lan21:40:020
9004991716,1cyclictest55650irq/125-lan20:51:500
9004991716,1cyclictest55650irq/125-lan20:42:350
9004991716,1cyclictest55650irq/125-lan20:37:130
9004991716,1cyclictest55650irq/125-lan20:25:180
9004991716,1cyclictest55650irq/125-lan20:22:580
9004991716,1cyclictest55650irq/125-lan20:17:550
9004991716,1cyclictest55650irq/125-lan20:03:170
9004991716,1cyclictest55650irq/125-lan19:46:280
9004991716,1cyclictest55650irq/125-lan00:30:090
9004991715,1cyclictest55650irq/125-lan19:20:180
9004991615,1cyclictest55650irq/125-lan21:01:310
9004991615,1cyclictest55650irq/125-lan20:55:000
9004991615,1cyclictest55650irq/125-lan20:30:130
9004991615,1cyclictest55650irq/125-lan20:10:170
9004991615,1cyclictest55650irq/125-lan19:35:150
9004991615,1cyclictest55650irq/125-lan00:35:380
900799154,6cyclictest0-21swapper/123:05:171
9007991515,0cyclictest294-21hwrng21:45:341
9007991515,0cyclictest294-21hwrng20:56:251
9007991515,0cyclictest294-21hwrng20:29:481
9007991515,0cyclictest294-21hwrng20:14:261
9007991515,0cyclictest12646-21cat23:50:151
900799145,5cyclictest32381-21switchtime00:10:241
9007991414,0cyclictest294-21hwrng23:49:281
9007991414,0cyclictest294-21hwrng21:19:581
9007991414,0cyclictest294-21hwrng21:03:351
9007991414,0cyclictest294-21hwrng20:37:591
9007991414,0cyclictest294-21hwrng20:15:281
9007991414,0cyclictest294-21hwrng19:22:131
9007991414,0cyclictest294-21hwrng00:36:351
900799134,4cyclictest28798-21cat22:25:151
900799132,6cyclictest5629-21cat22:35:141
9007991313,0cyclictest294-21hwrng22:51:061
9007991313,0cyclictest294-21hwrng22:33:421
9007991313,0cyclictest294-21hwrng22:18:201
9007991313,0cyclictest294-21hwrng20:00:061
9007991313,0cyclictest294-21hwrng19:19:091
9007991313,0cyclictest294-21hwrng19:14:011
9007991313,0cyclictest294-21hwrng00:29:251
9007991311,2cyclictest294-21hwrng20:08:181
9004991312,1cyclictest55650irq/125-lan19:25:180
900799128,4cyclictest703-21snmpd21:57:061
900799123,4cyclictest24512-21ntpq22:20:171
900799121,6cyclictest20775-21cat21:05:201
9007991212,0cyclictest294-21hwrng23:32:041
900799120,3cyclictest8897-21ld00:20:181
900799120,1cyclictest10710-21ntpq22:05:221
900799116,4cyclictest703-21snmpd20:30:411
900799116,4cyclictest703-21snmpd19:41:181
900799116,4cyclictest0-21swapper/120:20:191
900799112,4cyclictest15172-21ntp_states20:50:201
900799111,5cyclictest3491-21sh23:40:211
9007991111,0cyclictest294-21hwrng23:22:511
9007991111,0cyclictest294-21hwrng22:43:561
9007991111,0cyclictest294-21hwrng22:00:561
9007991111,0cyclictest294-21hwrng20:47:121
9007991111,0cyclictest294-21hwrng19:57:021
900799110,6cyclictest29296-21ntpq21:50:211
900799110,3cyclictest3889-21ntp_192.168.11400:15:191
900799110,2cyclictest31282-21runrttasks23:35:391
900799110,2cyclictest25719-21taskset19:52:591
900799110,2cyclictest24853-21ssh00:02:411
900799110,2cyclictest22023-21diskmemload22:55:041
900799110,2cyclictest18696-21taskset19:35:011
900799110,2cyclictest15831-21runrttasks21:36:051
900799110,2cyclictest13853-21ssh23:18:011
900799106,4cyclictest17576-21ntp_kernel_pll_19:30:171
900799104,5cyclictest703-21snmpd00:32:441
900799101,4cyclictest32512-21grep21:20:151
9007991010,0cyclictest294-21hwrng22:10:091
900799100,3cyclictest11100-21hddtemp_smartct20:40:131
900799100,2cyclictest23718-21taskset19:46:181
900799100,2cyclictest23076-21ssh21:44:161
900799100,2cyclictest22023-21diskmemload21:10:041
900799100,2cyclictest16971-21seq23:55:011
900799100,2cyclictest16240-21ssh22:45:561
900799100,2cyclictest15021-21seq19:25:041
900799100,2cyclictest11022-21ssh21:30:461
900799100,1cyclictest31670-21ssh23:02:251
900799100,1cyclictest22934-21ssh23:27:201
900799100,1cyclictest0-21swapper/121:26:381
90079990,1cyclictest27449-21ntpq00:05:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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