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2026-06-23 - 01:53

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, 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 
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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 100 highest latencies:
System rack8slot6s.osadl.org (updated Mon Jun 22, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
616991918,1cyclictest65850irq/126-lan10:49:160
616991918,1cyclictest65850irq/126-lan10:09:330
616991918,1cyclictest65850irq/126-lan08:24:110
616991818,0cyclictest65850irq/126-lan08:54:330
616991818,0cyclictest65850irq/126-lan07:23:480
616991817,1cyclictest65850irq/126-lan12:38:310
616991817,1cyclictest65850irq/126-lan10:00:170
616991817,1cyclictest65850irq/126-lan09:40:200
616991817,1cyclictest65850irq/126-lan07:35:200
616991817,1cyclictest65850irq/126-lan07:15:120
616991717,0cyclictest65850irq/126-lan11:10:250
616991717,0cyclictest65850irq/126-lan10:50:390
616991717,0cyclictest65850irq/126-lan09:00:140
616991717,0cyclictest65850irq/126-lan08:45:150
616991716,1cyclictest65850irq/126-lan12:10:130
616991716,1cyclictest65850irq/126-lan09:31:140
616991716,1cyclictest65850irq/126-lan08:55:110
616991716,1cyclictest65850irq/126-lan08:10:210
616991716,1cyclictest65850irq/126-lan07:45:150
616991616,0cyclictest65850irq/126-lan09:26:400
616991616,0cyclictest65850irq/126-lan08:44:390
616991616,0cyclictest65850irq/126-lan08:08:120
616991615,1cyclictest65850irq/126-lan11:25:200
616991615,1cyclictest65850irq/126-lan10:25:120
616991615,1cyclictest65850irq/126-lan08:00:220
616991515,0cyclictest65850irq/126-lan11:22:190
616991515,0cyclictest65850irq/126-lan08:25:140
616991515,0cyclictest65850irq/126-lan07:30:210
616991514,1cyclictest65850irq/126-lan12:05:120
616991514,1cyclictest65850irq/126-lan11:35:220
616991514,1cyclictest65850irq/126-lan11:30:170
616991514,1cyclictest65850irq/126-lan11:19:390
616991514,1cyclictest65850irq/126-lan11:05:110
616991514,1cyclictest65850irq/126-lan09:55:120
616991514,1cyclictest65850irq/126-lan09:35:170
616991514,1cyclictest65850irq/126-lan09:15:160
616991514,1cyclictest65850irq/126-lan08:30:170
616991514,1cyclictest65850irq/126-lan08:15:140
616991514,1cyclictest65850irq/126-lan07:53:010
616991414,0cyclictest65850irq/126-lan12:30:150
616991414,0cyclictest65850irq/126-lan10:35:200
616991414,0cyclictest65850irq/126-lan09:47:110
616991414,0cyclictest65850irq/126-lan08:37:400
616991413,1cyclictest65850irq/126-lan12:25:120
616991413,1cyclictest65850irq/126-lan12:25:110
616991413,1cyclictest65850irq/126-lan11:55:140
616991413,1cyclictest65850irq/126-lan11:50:160
616991413,1cyclictest65850irq/126-lan11:00:140
616991413,1cyclictest65850irq/126-lan10:40:140
616991413,1cyclictest65850irq/126-lan10:20:170
616991413,1cyclictest65850irq/126-lan10:13:400
616991413,1cyclictest65850irq/126-lan09:20:200
616991413,1cyclictest65850irq/126-lan09:05:190
616991413,1cyclictest65850irq/126-lan07:55:160
616991413,1cyclictest65850irq/126-lan07:40:150
616991313,0cyclictest65850irq/126-lan07:25:150
616991313,0cyclictest65850irq/126-lan07:11:390
616991312,1cyclictest65850irq/126-lan12:15:110
616991312,1cyclictest65850irq/126-lan12:00:180
63699120,7cyclictest30580-21ntpq12:15:163
616991212,0cyclictest65850irq/126-lan11:40:120
616991211,1cyclictest65850irq/126-lan10:55:210
63699118,3cyclictest743-21snmpd08:57:203
616991111,0cyclictest65850irq/126-lan12:20:130
616991110,1cyclictest65850irq/126-lan11:45:170
63699108,2cyclictest743-21snmpd09:13:513
63699105,4cyclictest506-21systemd-resolve08:42:433
63699100,8cyclictest12726-21cron07:39:593
63699100,7cyclictest5547-21ntpq11:15:153
63699100,6cyclictest844-21taskset08:28:443
63699100,6cyclictest17022-21ntpq09:05:183
63699100,6cyclictest1108-21chrt12:23:133
61699109,1cyclictest65850irq/126-lan10:30:180
61699109,1cyclictest65850irq/126-lan09:50:100
61699109,1cyclictest65850irq/126-lan09:10:120
616991010,0cyclictest65850irq/126-lan10:15:110
6369998,1cyclictest741-21lldpd11:40:273
6369996,3cyclictest743-21snmpd11:57:303
6369996,3cyclictest743-21snmpd11:25:443
6369994,4cyclictest7188-21sed11:20:103
6369992,6cyclictest557-21NetworkManager07:55:123
6369990,7cyclictest9761-21chrt08:48:393
6369990,7cyclictest4345-21seq11:12:463
6369990,7cyclictest0-21swapper/310:06:493
6369990,6cyclictest5253-21seq08:38:153
6369990,6cyclictest4952-21seq12:30:543
6369990,6cyclictest3397-21seq09:51:013
6369990,6cyclictest31199-21/usr/sbin/munin11:00:113
6369990,6cyclictest29025-21chrt08:16:493
6369990,6cyclictest23023-21chrt08:02:163
6369990,6cyclictest20737-21chrt11:50:313
6369990,5cyclictest22837-21find10:40:013
6369990,5cyclictest18043-21sed07:50:153
6369990,5cyclictest15050-21ntp_states09:00:193
6369990,5cyclictest1363-21wc11:05:143
6319998,1cyclictest743-21snmpd08:16:592
6259998,1cyclictest743-21snmpd11:12:531
6369987,1cyclictest743-21snmpd12:12:103
6369987,1cyclictest743-21snmpd11:31:483
6369987,1cyclictest522-21avahi-daemon07:10:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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