You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-10 - 16:52

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 #4, slot #1

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.

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 rack4slot1s.osadl.org (updated Wed Dec 10, 2025 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
894621210,3chrt0-21swapper/208:49:192
894621210,3chrt0-21swapper/208:49:192
2056121140,3sleep20-21swapper/212:14:082
2056121140,3sleep20-21swapper/212:14:082
2378321070,2sleep20-21swapper/208:04:082
2378321070,2sleep20-21swapper/208:04:082
427421050,3sleep30-21swapper/308:39:073
427421050,3sleep30-21swapper/308:39:073
2577021030,3sleep20-21swapper/212:29:032
2577021030,3sleep20-21swapper/212:29:032
240122900,2sleep20-21swapper/209:29:142
240122900,2sleep20-21swapper/209:29:142
158672860,4chrt0-21swapper/207:44:072
158672860,4chrt0-21swapper/207:44:072
62552830,2sleep20-21swapper/211:34:162
62552830,2sleep20-21swapper/211:34:162
223772810,2chrt0-21swapper/012:19:080
230172730,2sleep023013-21cat08:03:540
57342660,2sleep00-21swapper/008:43:590
57342660,2sleep00-21swapper/008:43:590
19302590,2sleep11933-21grep09:59:081
19302590,2sleep11933-21grep09:59:081
20862530,3sleep20-21swapper/209:59:092
20862530,3sleep20-21swapper/209:59:092
123292520,3chrt0-21swapper/211:53:542
123292520,3chrt0-21swapper/211:53:542
207632480,3sleep20-21swapper/209:23:562
303172470,3sleep20-21swapper/211:14:072
66422460,2chrt6635-21cron11:38:520
66422460,2chrt6635-21cron11:38:520
269642440,3sleep20-21swapper/209:39:072
269642440,3sleep20-21swapper/209:39:072
218422440,2sleep30-21swapper/309:24:133
218422440,2sleep30-21swapper/309:24:133
286162430,3chrt0-21swapper/308:18:533
286162430,3chrt0-21swapper/308:18:533
154992380,3sleep20-21swapper/210:34:102
4351993726,4cyclictest9532-21gltestperf10:19:091
4351993726,4cyclictest9532-21gltestperf10:19:091
123762360,2sleep012378-21latency_hist11:53:560
123762360,2sleep012378-21latency_hist11:53:560
4350993530,4cyclictest407-21in:imuxsock09:28:520
4350993530,4cyclictest407-21in:imuxsock09:28:520
4351993422,2cyclictest181rcu_preempt10:39:071
4351993329,3cyclictest25483-21latency_hist12:28:521
4351993329,3cyclictest25483-21latency_hist12:28:521
4351993226,4cyclictest12222-21unixbench-2d10:24:151
4351993224,6cyclictest27316-21cut08:14:061
4351993224,6cyclictest27316-21cut08:14:061
4351993217,4cyclictest0-21swapper/109:34:151
4350993225,5cyclictest17410-21netstat10:39:110
4350993225,5cyclictest13056-21sshd10:29:040
4350993225,5cyclictest13056-21sshd10:29:040
4350993224,6cyclictest16793-21kernelversion12:04:100
4350993224,6cyclictest16793-21kernelversion12:04:100
4350993124,6cyclictest14781-21sshd09:06:050
4350993124,6cyclictest14781-21sshd09:06:050
4351993025,3cyclictest6639-21latency_hist11:38:521
4351993025,3cyclictest6639-21latency_hist11:38:521
4351993024,4cyclictest28931-21kernelversion09:44:081
4351993024,4cyclictest28931-21kernelversion09:44:081
4351993022,6cyclictest14609-21fschecks_time11:59:071
4351993022,6cyclictest14609-21fschecks_time11:59:071
4351993021,7cyclictest4084-21fschecks_count08:39:061
4351993021,7cyclictest4084-21fschecks_count08:39:061
4350993022,6cyclictest15323-21kernelversion10:34:080
4350993021,7cyclictest1936-21netstat11:24:120
4350993021,7cyclictest1936-21netstat11:24:120
4350993021,6cyclictest4349-21cyclictest11:59:490
4350993021,6cyclictest4349-21cyclictest11:59:490
87472290,1sleep18944-21unixbench_singl08:49:191
87472290,1sleep18944-21unixbench_singl08:49:191
4351992925,3cyclictest395-21fschecks_time08:29:061
4351992921,6cyclictest10750-21sshd11:49:061
4351992921,6cyclictest10750-21sshd11:49:061
4350992924,4cyclictest4349-21cyclictest10:59:580
4350992924,4cyclictest4349-21cyclictest10:59:580
4350992922,6cyclictest1880-21cut09:59:080
4350992922,6cyclictest1880-21cut09:59:080
4350992922,5cyclictest9778-21threads11:44:150
4350992922,5cyclictest9778-21threads11:44:150
4351992824,2cyclictest0-21swapper/110:33:521
4351992824,2cyclictest0-21swapper/110:33:521
4351992822,4cyclictest3418-21gltestperf11:29:071
4351992822,4cyclictest3418-21gltestperf11:29:071
4351992822,4cyclictest31882-21unixbench-2d08:24:161
4351992822,4cyclictest31882-21unixbench-2d08:24:161
4351992822,4cyclictest26227-21unixbench-2d08:09:151
4351992822,4cyclictest26227-21unixbench-2d08:09:151
4351992822,4cyclictest22528-21fschecks_count10:54:071
4351992821,5cyclictest4349-21cyclictest10:59:081
4351992821,5cyclictest4349-21cyclictest10:59:081
4350992822,5cyclictest24531-21latency_hist09:33:570
4350992822,5cyclictest24531-21latency_hist09:33:570
4350992822,3cyclictest0-21swapper/011:58:530
4350992822,3cyclictest0-21swapper/011:58:530
4350992821,5cyclictest663-21runrttasks09:14:150
4350992821,5cyclictest663-21runrttasks09:14:150
4350992821,5cyclictest31120-21latency_hist12:43:530
4350992821,5cyclictest31120-21latency_hist12:43:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional