You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-09 - 23:48

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 Sun Aug 09, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
249272840,2sleep124932-21gltestperf09:28:581
249272840,2sleep124932-21gltestperf09:28:581
85142770,3sleep20-21swapper/208:44:052
99952740,4sleep16561-21cyclictest10:14:041
99952740,4sleep16561-21cyclictest10:14:041
252572600,3chrt0-21swapper/208:03:572
132712550,3chrt0-21swapper/210:23:582
132712550,3chrt0-21swapper/210:23:582
94592520,3sleep20-21swapper/210:13:572
94592520,3sleep20-21swapper/210:13:572
89102480,1sleep10-21swapper/110:13:481
176692460,3sleep10-21swapper/109:09:001
176692460,3sleep10-21swapper/109:09:001
202032440,3chrt0-21swapper/310:43:493
202032440,3chrt0-21swapper/310:43:493
257222430,3sleep20-21swapper/209:29:072
257222430,3sleep20-21swapper/209:29:072
6568994132,7cyclictest27187-21netstat09:34:031
6568994132,7cyclictest27187-21netstat09:34:031
72192360,3sleep20-21swapper/211:34:012
6568993627,7cyclictest23241-21latency_hist12:18:441
169102360,2sleep017025-21timerandwakeup11:59:050
169102360,2sleep017025-21timerandwakeup11:59:050
325752350,3sleep20-21swapper/212:43:442
325752350,3sleep20-21swapper/212:43:442
269442350,2sleep10-21swapper/110:59:071
269442350,2sleep10-21swapper/110:59:071
129462350,2sleep013114-21head10:23:570
129462350,2sleep013114-21head10:23:570
6567993422,9cyclictest25759-21latency_hist10:58:480
6568993328,3cyclictest12593-21latency_hist10:23:441
6568993328,3cyclictest12593-21latency_hist10:23:441
6568993328,3cyclictest12593-21latency_hist10:23:441
6568993225,6cyclictest6874-21threads08:39:071
6568993225,6cyclictest6874-21threads08:39:071
6568993224,6cyclictest28281-21unixbench_singl08:09:091
6568993224,6cyclictest28281-21unixbench_singl08:09:091
6567993227,3cyclictest6044-21ntp_offset10:04:050
6567993225,5cyclictest749-21runrttasks10:13:480
56032320,4sleep20-21swapper/211:29:082
304412320,2sleep30-21swapper/309:43:593
13742320,3chrt0-21swapper/311:18:593
13742320,3chrt0-21swapper/311:18:593
6568993126,3cyclictest29986-21latency_hist09:43:441
6568993126,3cyclictest29986-21latency_hist09:43:441
6568993126,3cyclictest29986-21latency_hist09:43:441
6568993125,4cyclictest31877-21gltestperf11:13:591
6568993125,4cyclictest31877-21gltestperf11:13:591
6568993124,5cyclictest25107-21latency_hist08:03:501
6568993124,5cyclictest25107-21latency_hist08:03:501
6568993124,5cyclictest24692-21needreboot10:54:021
6567993126,4cyclictest8697-21/usr/sbin/munin08:44:070
6567993126,4cyclictest11284-21cat08:53:440
6567993124,5cyclictest31636-21netstat12:39:020
6567993124,5cyclictest31636-21netstat12:39:020
6567993123,6cyclictest12778-21sshd08:54:100
6567993122,7cyclictest30965-21fschecks_count08:18:570
6567993122,7cyclictest30965-21fschecks_count08:18:570
242262310,2chrt0-21swapper/210:53:572
6567993023,5cyclictest6561-21cyclictest07:51:500
6567993022,6cyclictest11047-21needreboot11:44:020
6568992922,5cyclictest661-21threads09:49:071
6568992922,5cyclictest661-21threads09:49:071
6567992924,4cyclictest21197-21gltestperf09:18:580
6567992924,4cyclictest21197-21gltestperf09:18:580
6567992924,4cyclictest21197-21gltestperf09:18:580
6567992922,5cyclictest24676-21unixbench_singl12:19:080
6567992922,5cyclictest24676-21unixbench_singl12:19:080
6567992921,6cyclictest9924-21grep10:14:040
6567992921,6cyclictest9924-21grep10:14:040
6567992921,6cyclictest26062-21tr12:24:010
6568992822,5cyclictest5804-21kernelversion10:04:011
6568992821,5cyclictest19387-21sshd12:07:161
6568992821,5cyclictest19387-21sshd12:07:161
6568992820,6cyclictest28946-21latency_hist12:33:481
6567992822,4cyclictest8776-21grep11:38:590
6567992822,4cyclictest8776-21grep11:38:590
6567992822,4cyclictest8776-21grep11:38:590
6567992821,5cyclictest22429-21fschecks_time10:48:580
6567992821,5cyclictest14893-21fschecks_count10:28:560
6567992821,5cyclictest14893-21fschecks_count10:28:560
6567992821,5cyclictest12571-21latency_hist10:23:550
6568992723,2cyclictest0-21swapper/110:49:061
6568992722,4cyclictest6561-21cyclictest10:44:031
6568992722,4cyclictest6561-21cyclictest10:44:031
6568992722,3cyclictest30444-21fschecks_time09:43:591
6568992721,4cyclictest29632-21ntp_kernel_pll_08:14:031
6568992721,4cyclictest29632-21ntp_kernel_pll_08:14:031
6568992721,4cyclictest23489-21ntp_kernel_pll_09:24:041
6568992721,4cyclictest23489-21ntp_kernel_pll_09:24:041
6568992720,5cyclictest6561-21cyclictest11:39:051
6568992720,5cyclictest6561-21cyclictest11:39:051
6568992720,5cyclictest6561-21cyclictest11:39:051
6568992720,5cyclictest20290-21latency_hist10:43:531
6568992720,4cyclictest0-21swapper/111:04:061
6567992721,5cyclictest7454-21sshd08:43:100
6567992721,5cyclictest7454-21sshd08:43:100
6567992721,5cyclictest29701-21sshd09:40:100
6567992721,5cyclictest29701-21sshd09:40:100
6567992721,5cyclictest29701-21sshd09:40:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional