You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-14 - 20:30

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 #e, slot #4

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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot4s.osadl.org (updated Sun Dec 14, 2025 12:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2001295994339,3cyclictest2225265-21kworker/u8:2+events_unbound11:25:222
2001295993631,3cyclictest2173648-21/usr/sbin/munin09:55:232
2001295993427,5cyclictest2070285-21diskstats08:15:152
2001295993229,2cyclictest2158506-21kworker/u8:2+events_unbound10:15:202
2001288993228,3cyclictest2011938-21gpgv07:20:000
2001295993128,2cyclictest2012029-21kworker/u8:0+events_unbound07:30:252
2001293992823,3cyclictest2318467-21latency_hist12:15:001
2001295992622,3cyclictest2110089-21kworker/u8:0+events_unbound08:50:252
2001288992620,4cyclictest2183671-21latency_hist10:05:000
2001299992519,4cyclictest2152356-21apt-get09:35:003
2001299992519,4cyclictest2044063-21kworker/u8:1+flush-259:008:10:213
2001299992518,5cyclictest2125644-21ntpq09:05:223
2001293992520,4cyclictest2023118-21gpgv07:30:011
200128899251,22cyclictest1-21systemd10:55:000
2001295992421,2cyclictest2193682-21kworker/u8:3+events_unbound10:35:152
2001295992420,3cyclictest2023029-21gpgv07:29:592
2001295992417,4cyclictest2277194-21latency_hist11:35:002
2001295992317,4cyclictest2333904-21latency_hist12:30:002
2001293992317,4cyclictest252-21systemd-journal12:05:001
200128899239,5cyclictest2115328-21/usr/sbin/munin08:55:200
2001299992218,3cyclictest2001697-21/usr/sbin/munin07:10:123
2001299992218,2cyclictest2011841-21https07:20:003
2001299992217,3cyclictest2225265-21kworker/u8:2+flush-259:010:50:173
2001299992216,4cyclictest2121397-21latency_hist09:05:003
2001299992214,5cyclictest252-21systemd-journal10:45:133
2001299992214,5cyclictest2059525-21latency_hist08:05:013
2001295992218,3cyclictest2297793-21kworker/u8:0+events_unbound12:05:172
2001295992218,3cyclictest2225265-21kworker/u8:2+flush-259:011:15:012
2001295992218,3cyclictest2193682-21kworker/u8:3+events_unbound10:30:162
2001295992216,4cyclictest2142437-21diskstats09:25:142
2001293992216,4cyclictest2152500-21cat09:35:001
200128899228,4cyclictest2218665-21load10:35:190
200128899225,6cyclictest2339092-21latency_hist12:35:010
2001288992217,4cyclictest2156996-21ntpq09:35:210
2001288992217,4cyclictest2043124-21ntpq07:45:200
2001299992117,2cyclictest0-21swapper/309:15:003
2001299992114,5cyclictest2293081-21diskstats11:50:123
2001295992118,2cyclictest2241217-21kworker/u8:4+flush-259:011:05:002
2001295992117,3cyclictest2225265-21kworker/u8:2+flush-259:011:50:202
2001295992116,3cyclictest2095143-21kworker/u8:2+events_unbound09:30:222
200128899218,8cyclictest2241323-21cut11:00:010
200128899216,6cyclictest2069454-21uptime08:10:260
200128899216,5cyclictest2343293-21netstat12:35:200
2001288992114,5cyclictest252-21systemd-journal08:00:000
2001299992016,2cyclictest0-21swapper/309:50:003
2001299992012,6cyclictest2291834-21ntpq11:45:223
2001295992018,2cyclictest2110089-21kworker/u8:0+events_unbound09:15:212
2001295992017,2cyclictest2044063-21kworker/u8:1+events_unbound08:20:232
2001295992017,2cyclictest1991005-21kworker/u8:3+events_unbound07:45:232
2001295992016,3cyclictest2298038-21apt-get11:55:112
2001295992015,3cyclictest2006881-21/usr/sbin/munin07:15:242
2001295992014,2cyclictest1985681-21kworker/u8:1+events_unbound07:10:172
2001293992016,3cyclictest2158186-21apt-get09:40:121
2001293992016,3cyclictest2017541-21gpgv07:25:011
2001293992014,4cyclictest252-21systemd-journal08:55:011
200128899207,4cyclictest2060112-21ls08:05:150
200128899207,4cyclictest2013137-21cut07:20:180
200128899206,9cyclictest2173275-21chrt09:53:370
200128899206,8cyclictest2225577-21apt-get10:45:150
200128899206,4cyclictest2313548-21https12:10:130
200128899206,4cyclictest2085379-21latency_hist08:30:010
200128899206,4cyclictest2001590-21cp07:10:010
200128899204,6cyclictest2198295-21ntp_kernel_pll_10:15:210
2001288992015,4cyclictest252-21systemd-journal11:34:310
2001288992015,3cyclictest2323608-21latency_hist12:20:010
2001299991915,3cyclictest2059551-21kworker/u8:3+events_unbound08:45:193
2001299991913,4cyclictest2317598-21ntpq12:10:233
2001293991916,2cyclictest2199185-21kworker/u8:0+flush-259:010:30:311
2001293991914,4cyclictest2116528-21apt-get09:00:131
2001293991914,3cyclictest2038909-21awk07:45:001
200128899196,9cyclictest2287462-21taskset11:44:480
200128899196,8cyclictest2168185-21chrt09:49:330
200128899196,7cyclictest2162799-21chrt09:41:270
200128899196,5cyclictest2282434-21cat11:40:010
200128899196,4cyclictest2094873-21ps08:35:240
200128899196,4cyclictest2087379-21cat08:30:180
200128899196,4cyclictest2054593-21https08:00:110
200128899196,3cyclictest2257917-21kthreadcore11:15:180
200128899196,2cyclictest2038023-21ntpq07:40:210
200128899195,5cyclictest2249756-21grep11:05:180
200128899195,5cyclictest2241767-21hddtemp_smartct11:00:160
2001299991815,2cyclictest2277217-21kworker/u8:0+flush-259:011:40:003
2001299991814,3cyclictest2287518-21kworker/u8:1+flush-259:012:00:013
2001295991813,3cyclictest2193682-21kworker/u8:3+flush-259:010:15:002
2001295991812,5cyclictest2236052-21latency_hist10:55:012
2001293991812,4cyclictest252-21systemd-journal11:00:011
200128899188,2cyclictest2209978-21/usr/sbin/munin10:30:150
200128899188,2cyclictest2075283-21apt-get08:20:140
200128899186,5cyclictest2106599-21cat08:50:180
200128899186,4cyclictest2295284-21cut11:50:160
200128899186,4cyclictest2096400-21cut08:40:170
200128899186,3cyclictest0-21swapper/010:25:170
200128899185,5cyclictest2291471-21kthreadcore11:45:180
200128899184,8cyclictest2299021-21irqstats11:55:160
200128899184,8cyclictest2131601-21taskset09:14:210
2001288991816,1cyclictest0-21swapper/007:10:000
2001288991812,4cyclictest2152576-21cat09:35:000
2001299991713,3cyclictest2017423-21apt-get07:25:023
2001299991713,3cyclictest1985681-21kworker/u8:1+flush-259:007:20:103
2001299991711,4cyclictest2209512-21latency_hist10:30:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional