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2025-11-30 - 00:22

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 Sat Nov 29, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23613992020,0cyclictest294-21hwrng10:17:151
23613992019,1cyclictest55650irq/125-lan09:37:051
23613992019,1cyclictest294-21hwrng12:28:181
23613992019,0cyclictest55650irq/125-lan10:41:171
23613991918,1cyclictest55650irq/125-lan12:13:451
23613991918,1cyclictest55650irq/125-lan12:05:191
23613991918,1cyclictest55650irq/125-lan11:57:471
23613991918,1cyclictest55650irq/125-lan11:46:531
23613991918,1cyclictest55650irq/125-lan11:42:011
23613991918,1cyclictest55650irq/125-lan11:20:571
23613991918,1cyclictest55650irq/125-lan11:16:051
23613991918,1cyclictest55650irq/125-lan10:38:591
23613991918,1cyclictest55650irq/125-lan10:32:131
23613991918,1cyclictest55650irq/125-lan10:29:391
23613991918,1cyclictest55650irq/125-lan10:12:071
23613991918,1cyclictest55650irq/125-lan09:55:191
23613991918,1cyclictest55650irq/125-lan08:59:571
23613991917,2cyclictest55650irq/125-lan10:24:001
23613991917,1cyclictest55650irq/125-lan11:50:171
23613991917,1cyclictest55650irq/125-lan10:55:121
23613991818,0cyclictest55650irq/125-lan09:25:201
23613991818,0cyclictest55650irq/125-lan09:16:451
23613991817,1cyclictest55650irq/125-lan12:35:231
23613991817,1cyclictest55650irq/125-lan12:20:261
23613991817,1cyclictest55650irq/125-lan12:17:561
23613991817,1cyclictest55650irq/125-lan11:35:141
23613991817,1cyclictest55650irq/125-lan11:30:331
23613991817,1cyclictest55650irq/125-lan11:13:141
23613991817,1cyclictest55650irq/125-lan11:08:281
23613991817,1cyclictest55650irq/125-lan11:04:151
23613991817,1cyclictest55650irq/125-lan10:51:281
23613991817,1cyclictest55650irq/125-lan10:08:021
23613991817,1cyclictest55650irq/125-lan10:01:151
23613991817,1cyclictest55650irq/125-lan09:52:261
23613991817,1cyclictest55650irq/125-lan09:40:191
23613991817,1cyclictest55650irq/125-lan09:32:021
23613991817,1cyclictest55650irq/125-lan09:22:281
23613991817,1cyclictest55650irq/125-lan09:00:241
23613991817,1cyclictest55650irq/125-lan08:20:151
23613991817,1cyclictest55650irq/125-lan07:46:341
23613991816,2cyclictest55650irq/125-lan12:31:571
23613991816,1cyclictest55650irq/125-lan12:00:111
23613991816,1cyclictest55650irq/125-lan10:45:241
23613991717,0cyclictest55650irq/125-lan08:39:071
23613991717,0cyclictest55650irq/125-lan08:31:581
23613991717,0cyclictest55650irq/125-lan07:37:191
23613991717,0cyclictest55650irq/125-lan07:32:181
23613991716,1cyclictest55650irq/125-lan11:25:551
23613991716,1cyclictest55650irq/125-lan09:45:131
23613991716,1cyclictest55650irq/125-lan09:09:501
23613991716,1cyclictest55650irq/125-lan08:05:141
23613991716,1cyclictest55650irq/125-lan08:00:551
23613991716,1cyclictest55650irq/125-lan07:55:211
23613991716,1cyclictest55650irq/125-lan07:27:291
23613991716,1cyclictest55650irq/125-lan07:20:501
23613991716,1cyclictest55650irq/125-lan07:14:391
23613991715,2cyclictest55650irq/125-lan09:10:161
23613991615,1cyclictest55650irq/125-lan08:44:071
23613991615,1cyclictest55650irq/125-lan08:15:401
23613991615,1cyclictest55650irq/125-lan08:10:221
23613991515,0cyclictest55650irq/125-lan08:25:251
23613991515,0cyclictest55650irq/125-lan07:40:231
23613991515,0cyclictest55650irq/125-lan07:19:311
23613991514,1cyclictest55650irq/125-lan08:45:191
23613991412,1cyclictest55650irq/125-lan07:49:591
23609991414,0cyclictest294-21hwrng09:15:480
23609991212,0cyclictest294-21hwrng12:00:390
23613991111,0cyclictest55650irq/125-lan08:50:161
23609991111,0cyclictest294-21hwrng10:29:320
23609991010,0cyclictest294-21hwrng11:59:380
236099999,0cyclictest294-21hwrng10:23:240
236099999,0cyclictest294-21hwrng09:22:580
236099998,1cyclictest703-21snmpd12:17:400
236099998,1cyclictest703-21snmpd11:07:310
236099998,1cyclictest28272-21latency_hist12:34:590
236099996,2cyclictest703-21snmpd12:26:180
236099996,2cyclictest703-21snmpd11:44:270
236099996,2cyclictest703-21snmpd09:30:370
236099988,0cyclictest703-21snmpd12:35:570
236099988,0cyclictest703-21snmpd11:11:460
236099988,0cyclictest703-21snmpd09:25:240
236099988,0cyclictest703-21snmpd07:29:150
236099988,0cyclictest294-21hwrng11:46:190
236099988,0cyclictest294-21hwrng11:36:060
236099988,0cyclictest294-21hwrng11:30:590
236099988,0cyclictest294-21hwrng09:39:220
236099988,0cyclictest294-21hwrng08:39:570
236099988,0cyclictest294-21hwrng07:45:420
236099987,1cyclictest703-21snmpd11:25:310
236099987,1cyclictest703-21snmpd10:11:530
236099987,1cyclictest703-21snmpd08:34:320
236099987,1cyclictest703-21snmpd08:24:420
236099987,1cyclictest703-21snmpd08:06:220
236099987,1cyclictest703-21snmpd07:56:010
236099987,1cyclictest31345-21timerandwakeup12:05:230
236099987,1cyclictest16735-21ntp_kernel_pll_11:50:170
236099986,2cyclictest703-21snmpd10:55:310
236099986,2cyclictest703-21snmpd10:16:480
236099986,2cyclictest703-21snmpd08:56:030
236099985,2cyclictest703-21snmpd09:45:460
236099977,0cyclictest703-21snmpd09:43:410
236099977,0cyclictest703-21snmpd08:04:580
236099977,0cyclictest703-21snmpd07:43:280
236099977,0cyclictest294-21hwrng12:10:550
236099977,0cyclictest294-21hwrng11:15:360
236099977,0cyclictest294-21hwrng10:52:040
236099977,0cyclictest294-21hwrng10:42:500
236099977,0cyclictest294-21hwrng10:31:340
236099977,0cyclictest294-21hwrng08:48:090
236099977,0cyclictest294-21hwrng07:35:270
236099977,0cyclictest294-21hwrng07:21:070
236099977,0cyclictest294-21hwrng07:12:550
236099976,1cyclictest7310-21gltestperf07:50:150
236099976,1cyclictest703-21snmpd10:05:290
236099976,1cyclictest5360-21ntp_kernel_pll_11:00:190
236099976,1cyclictest25842-21cat08:40:160
236099976,1cyclictest20233-21gltestperf08:25:160
236099975,2cyclictest703-21snmpd10:50:000
236099975,2cyclictest703-21snmpd08:11:160
236099966,0cyclictest294-21hwrng12:22:110
236099966,0cyclictest294-21hwrng10:38:440
236099966,0cyclictest294-21hwrng09:13:450
236099965,1cyclictest294-21hwrng09:53:410
236099965,1cyclictest22397-21latency11:20:150
236099965,1cyclictest17980-21latency_hist08:20:000
236099965,1cyclictest16887-21switchtime10:00:210
236099965,1cyclictest0-21swapper/009:05:220
236099964,2cyclictest29737-21ntpq08:50:170
236099963,2cyclictest703-21snmpd07:30:150
236099953,2cyclictest1111-21ldconfig09:00:190
236099953,0cyclictest0-21swapper/009:55:320
236099952,2cyclictest0-21swapper/007:15:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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