You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-10-18 - 07:39
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: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack3slot2.osadl.org (updated Sat Oct 18, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
230797822550,3sleep02307977-21munin-node00:35:150
227603522540,3chrt2276034-21ld23:01:080
228598422530,3sleep02285985-21awk23:30:330
222075922500,3chrt2220757-21sshd20:08:340
230664122480,4chrt2306636-21ntpq00:30:470
229831022480,3chrt2298302-21ntp_states00:06:230
224651122450,3chrt2246507-21diskstats21:35:230
222155122430,3chrt2221549-21ntpq20:11:020
221681022430,3chrt2216813-21wc19:55:060
226584922420,4chrt2265836-21ntp_states22:31:300
227393422310,3chrt2273935-21ssh22:55:250
228130422300,3chrt2281300-21ntpq23:16:410
229343722180,3sleep02293440-21grep23:51:580
223799522070,2sleep02237994-21/usr/sbin/munin21:10:320
227299122040,2sleep02272994-21awk22:51:570
220908722010,3sleep02209088-21proc_pri19:26:140
226350221980,2sleep02263503-21ls22:25:100
224312921950,3sleep02243128-21/usr/sbin/munin21:25:310
228761621930,3sleep02287617-21sh23:35:190
228980121880,2sleep02289803-21ntp_offset23:41:210
220421199185128,47cyclictest29-21kswapd022:35:290
220421199184127,45cyclictest84-21jbd2/mmcblk0p2-23:25:580
225153621810,2sleep02251538-21basename21:50:110
220421199180146,23cyclictest2244979-21anacron21:30:350
220421199178150,18cyclictest29-21kswapd000:01:060
223209021710,4chrt2232092-21cron20:50:000
226051021670,3chrt2260507-21ntpq22:15:500
222285021650,3chrt2222851-21ld20:15:450
221827521650,4chrt2218278-21latency_hist20:00:070
220421199165134,20cyclictest84-21jbd2/mmcblk0p2-19:10:030
225493921630,4chrt2254940-21date22:00:120
223991721620,4chrt2239914-21ntpq21:15:460
223771221620,4chrt2237704-21munin-run21:10:080
220421199160132,19cyclictest29-21kswapd000:11:340
221858721590,4chrt2218588-21missed_timers20:00:330
22042119915093,47cyclictest29-21kswapd000:26:350
220421199147115,20cyclictest29-21kswapd021:20:280
220421199146117,20cyclictest29-21kswapd000:15:280
220421199144113,21cyclictest29-21kswapd022:11:350
220421199143114,20cyclictest29-21kswapd023:10:280
220421199142111,21cyclictest29-21kswapd021:51:320
224877421400,3sleep02248775-21ld21:41:420
220421199137103,23cyclictest2252864-21kworker/u2:322:02:040
22042119913399,23cyclictest112-21systemd-journal23:50:000
220421199128100,19cyclictest2254656-21kworker/u2:022:05:280
220459021260,2sleep02204588-21memory19:10:250
22042119912392,20cyclictest84-21jbd2/mmcblk0p2-19:50:000
229466321210,3sleep02294661-21memory23:55:370
22042119911686,21cyclictest29-21kswapd023:06:510
22042119910777,19cyclictest84-21jbd2/mmcblk0p2-20:20:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional