You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-27 - 15:10

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #0, slot #6

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 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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 100 highest latencies:
System rack0slot6s.osadl.org (updated Sat Jun 27, 2026 00:46:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43534099828,36cyclictest0-21swapper/522:12:5615
4831192770,1sleep8478983-21vf#0:020:02:2418
4831192770,1sleep8478983-21vf#0:020:02:2318
43487327443,8sleep190-21swapper/1919:09:5111
43484827267,2sleep70-21swapper/719:09:3817
4885472630,0sleep40-21swapper/420:10:0114
5062092610,2sleep14154-21ksoftirqd/1420:30:136
435332996056,1cyclictest201rcu_preempt19:23:3112
435334995856,2cyclictest478984-21vf#0:020:12:2513
17291570,44low-memory-moni0-21swapper/1819:09:1610
435375995653,3cyclictest0-21swapper/1721:19:139
435332995543,12cyclictest701318-21ntpq00:15:1712
435324995451,2cyclictest0-21swapper/021:19:130
43486525437,11sleep150-21swapper/1519:09:467
435369995352,1cyclictest496262-40tracker-miner-f20:19:587
435328995352,0cyclictest0-21swapper/119:34:541
43532499520,24cyclictest478918-21av:h264:df1420:10:310
17291520,41low-memory-moni0-21swapper/019:09:580
435332995126,0cyclictest0-21swapper/200:24:0812
435332995115,35cyclictest530414-40tracker-miner-f20:58:4712
17291510,40low-memory-moni0-21swapper/1719:08:569
17291510,39low-memory-moni0-21swapper/819:09:1718
43534999500,29cyclictest478998-21vf#0:020:10:1018
43487725036,8sleep20-21swapper/219:09:5412
43486325037,8sleep140-21swapper/1419:09:466
43536599490,26cyclictest478990-21vf#0:020:10:136
435343994949,0cyclictest0-21swapper/621:07:4216
43534099490,48cyclictest487628-40tracker-miner-f20:09:5615
43534099490,48cyclictest487628-40tracker-miner-f20:09:5515
43532899490,27cyclictest478975-21vf#0:020:03:341
43532899490,27cyclictest478975-21vf#0:020:03:341
4572092480,0sleep160-21swapper/1619:32:098
435381994848,0cyclictest0-21swapper/1900:20:4711
43537599480,25cyclictest478975-21vf#0:020:10:309
435354994831,17cyclictest0-21swapper/1022:14:002
435354994819,28cyclictest0-21swapper/1023:47:022
435354994819,28cyclictest0-21swapper/1023:47:012
43487624835,8sleep10-21swapper/119:09:531
43486024834,8sleep110-21swapper/1119:09:433
187098480,46rtkit-daemon0-21swapper/1319:05:395
435349994734,13cyclictest586529-40tracker-miner-f22:04:3918
435332994715,31cyclictest719620-40tracker-miner-f00:38:0912
435328994712,35cyclictest698188-40tracker-miner-f00:12:051
435381994622,0cyclictest0-21swapper/1900:38:2111
435354994618,27cyclictest0-21swapper/1023:28:222
43535499460,25cyclictest478973-21vf#0:020:07:332
43535499460,25cyclictest478973-21vf#0:020:07:332
43534999460,1cyclictest444610-40tracker-miner-f19:19:5518
435332994630,1cyclictest3377361-21thunderbird00:32:3512
43480424635,7sleep50-21swapper/519:09:1615
435381994545,0cyclictest0-21swapper/1919:35:5611
435377994521,23cyclictest478981-21vf#0:020:08:4810
435377994521,23cyclictest478981-21vf#0:020:08:4810
435332994519,0cyclictest0-21swapper/200:06:4412
205199450,13ntpd0-21swapper/619:09:4316
43538199440,43cyclictest0-21swapper/1921:32:4411
43537599440,43cyclictest461799-40tracker-miner-f19:39:479
43537599440,43cyclictest0-21swapper/1721:37:199
43537599440,35cyclictest616583-40tracker-miner-f22:39:059
43537599440,34cyclictest647754-40tracker-miner-f23:15:489
43537599440,34cyclictest577698-40tracker-miner-f21:53:269
43537599440,34cyclictest453245-40tracker-miner-f19:30:149
435363994443,1cyclictest715242-21ssh00:31:415
435360994443,1cyclictest194550irq/149-eno121:00:464
435360994421,23cyclictest426100-21kworker/u80:0+i91520:11:374
43534999440,41cyclictest0-21swapper/800:35:4118
43534999440,35cyclictest0-21swapper/823:14:3218
435345994412,31cyclictest0-21swapper/722:19:1217
43534099440,34cyclictest3377361-21thunderbird21:24:0715
435332994420,24cyclictest479007-21vf#0:020:08:2512
435332994420,24cyclictest479007-21vf#0:020:08:2412
43485924432,7sleep100-21swapper/1019:09:422
435381994343,0cyclictest0-21swapper/1921:16:1211
43537599430,43cyclictest470254-40tracker-miner-f19:49:349
43537599430,34cyclictest642466-40tracker-miner-f23:09:459
43537599430,34cyclictest521958-40tracker-miner-f20:49:559
43537599430,34cyclictest504442-40tracker-miner-f20:27:269
43537599430,33cyclictest0-21swapper/1722:41:079
43537599430,1cyclictest711083-40tracker-miner-f00:28:209
43537599430,1cyclictest0-21swapper/1700:32:199
43537599430,0cyclictest0-21swapper/1722:20:189
435354994343,0cyclictest0-21swapper/1000:14:292
435349994334,8cyclictest0-21swapper/800:02:1118
43534999430,35cyclictest0-21swapper/823:15:0518
43534999430,34cyclictest0-21swapper/820:27:4118
43534999430,0cyclictest0-21swapper/822:46:4018
43534599430,42cyclictest3379628-21WebExtensions00:25:0817
43534599430,33cyclictest672353-40tracker-miner-f23:41:5517
43534599430,33cyclictest672353-40tracker-miner-f23:41:5517
435338994343,0cyclictest0-21swapper/400:18:5714
435328994343,0cyclictest0-21swapper/122:12:541
17291430,38low-memory-moni0-21swapper/919:09:2319
435381994241,1cyclictest6735-21qemu-system-x8600:01:0611
43538199420,41cyclictest0-21swapper/1922:41:2211
435375994241,1cyclictest698420-40tracker-miner-f00:14:299
435375994232,10cyclictest0-21swapper/1723:22:019
43537599420,1cyclictest607762-40tracker-miner-f22:26:419
43537599420,1cyclictest525893-40tracker-miner-f20:51:289
43537599420,0cyclictest0-21swapper/1721:57:309
43537599420,0cyclictest0-21swapper/1720:59:389
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional