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2025-05-02 - 12:35

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #f, 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 
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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.

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 all highest latencies:
System rackfslot4s.osadl.org (updated Fri May 02, 2025 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
680921210,2chrt5483-21/usr/sbin/munin20:36:270
426321150,2sleep04321-21latency_hist22:30:050
295821130,3sleep03002-21aten2.4_rfpower20:30:330
138121130,2chrt1379-21ld20:26:020
331021120,3chrt3302-21ntpq00:22:050
2858521120,2chrt28586-21aten2.4_rfpower22:15:430
2776921110,2sleep027770-21ntpq21:16:460
2480221110,2sleep024806-21gcc21:11:350
505021090,2chrt5051-21cut22:31:040
2163321050,2chrt21634-21sleep20:02:280
2729921030,2chrt27300-21sleep20:14:360
1121721030,2chrt11218-21sh19:43:010
2220221020,2chrt22203-21sh23:58:110
73302900,1sleep07331-21gcc23:32:060
90622880,2chrt8075-21apt-get21:41:350
295942830,1sleep029593-21basename21:20:500
2612090796,12cyclictest19519-21ntpq21:01:120
2612090769,20cyclictest24210-21/usr/sbin/munin23:06:350
2612090757,20cyclictest12629-21ssh22:44:510
2612090756,11cyclictest25364-21modprobe22:09:590
26120907514,18cyclictest14438-21modprobe19:49:470
2612090747,10cyclictest6543-21munin-run19:35:000
2612090746,24cyclictest31205-21ntpq23:16:550
2612090745,19cyclictest30079-21ntp_states19:16:250
2612090736,21cyclictest15735-21apt-get22:50:270
2612090736,10cyclictest20055-21aten2.4-expect22:00:410
2612090734,24cyclictest6869-21telnet19:35:330
26120907314,18cyclictest19341-21sleep21:58:520
2612090727,11cyclictest16865-21ntpq20:56:050
2612090726,9cyclictest26770-21ntpq22:11:310
2612090726,20cyclictest23379-21diskmemload22:58:320
2612090715,19cyclictest3063-21/usr/sbin/munin23:27:130
2612090714,12cyclictest948-21runrttasks21:26:350
2612090714,10cyclictest857-21snmpd20:46:170
2612090713,25cyclictest14089-21sed20:50:550
26120907115,14cyclictest5439-21/usr/sbin/munin21:37:210
26120907110,9cyclictest27117-21ssh23:10:410
2612090704,22cyclictest11575-21ssh21:45:420
26120907015,15cyclictest24281-21ntpq00:01:410
2612090696,19cyclictest21750-21df23:00:510
2612090696,11cyclictest31468-21ntpq20:21:270
2612090695,22cyclictest21134-21kworker/u2:023:49:090
2612090695,18cyclictest23858-21python320:06:330
2612090695,11cyclictest18918-21ntpq23:52:360
2612090694,18cyclictest32514-21ntpq19:21:040
2612090694,10cyclictest4574-21chrt21:33:020
2612090686,11cyclictest10104-21ntp_states23:37:000
2612090685,19cyclictest6161-21ntpq00:27:110
2612090685,11cyclictest1637-21apt00:20:010
2612090683,19cyclictest11543-21ssh00:36:370
2612090676,10cyclictest13509-21perl22:46:030
2612090675,11cyclictest28643-21ntpq20:16:030
2612090675,11cyclictest15618-21ntpq21:51:500
2612090675,11cyclictest15024-21diskstats19:50:400
2612090674,18cyclictest11775-21ssh23:40:460
2612090674,10cyclictest25810-21ssh00:05:160
2612090665,18cyclictest23391-21/usr/sbin/munin21:10:030
2612090655,10cyclictest593-21df23:20:490
2612090654,10cyclictest32613-21ntpq22:21:540
2612090646,9cyclictest10262-21sleep20:44:120
2612090645,9cyclictest26603-21sleep19:10:420
2612090644,10cyclictest7893-21diskstats00:30:540
237082637,11sleep00-21swapper19:05:300
26120906116,13cyclictest0-21swapper00:14:000
24792490,3chrt2477-21/usr/sbin/munin19:25:550
26120904514,22cyclictest0-21swapper22:38:160
2612090405,25cyclictest18412-21ld19:56:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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