You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-06 - 02:16
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.
Unexpectedly long latencies may be caused by SMIs
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 rack3slot3.osadl.org (updated Thu Nov 06, 2025 00:46:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
314662121108sleep100-21swapper/1019:06:332
122501140irq/42-ahci0-21swapper/219:09:064
31541210894sleep90-21swapper/919:07:3211
31435210894sleep80-21swapper/819:06:0610
31414210894sleep40-21swapper/419:05:506
31373210391sleep110-21swapper/1119:05:333
30663501000irq/52-eth0-rx-0-21swapper/719:08:589
12250950irq/42-ahci0-21swapper/119:08:251
3066350940irq/52-eth0-rx-0-21swapper/519:06:457
12250710irq/42-ahci0-21swapper/319:08:225
3140026858sleep60-21swapper/619:05:418
3157326653sleep00-21swapper/019:08:000
31880993617cyclictest0-21swapper/021:20:090
31880993416cyclictest0-21swapper/021:19:590
31926993316cyclictest831ksoftirqd/1019:10:142
31926993316cyclictest831ksoftirqd/1019:10:132
31880993332cyclictest0-21swapper/019:13:470
31880993332cyclictest0-21swapper/019:13:470
31930993011cyclictest0-21swapper/1120:11:053
3192699269cyclictest831ksoftirqd/1022:35:142
3192699247cyclictest831ksoftirqd/1020:48:372
31881992120cyclictest2465-21lldpd19:13:581
31881992120cyclictest2465-21lldpd19:13:571
31880992117cyclictest0-21swapper/022:24:140
3188099200cyclictest0-21swapper/021:10:370
31930991918cyclictest0-21swapper/1119:19:593
3192699192cyclictest831ksoftirqd/1021:20:352
3192699192cyclictest831ksoftirqd/1000:35:232
3192099194cyclictest0-21swapper/820:12:4510
3193099180cyclictest0-21swapper/1119:20:013
31926991817cyclictest831ksoftirqd/1000:30:132
3192699181cyclictest831ksoftirqd/1022:40:142
3192699181cyclictest831ksoftirqd/1022:05:122
3192699181cyclictest831ksoftirqd/1021:55:262
3192699181cyclictest831ksoftirqd/1021:35:212
3192699181cyclictest831ksoftirqd/1021:35:202
3192699181cyclictest831ksoftirqd/1021:05:162
3192699181cyclictest831ksoftirqd/1020:50:142
3192699181cyclictest831ksoftirqd/1020:30:202
3192699181cyclictest831ksoftirqd/1020:20:172
3192699181cyclictest831ksoftirqd/1020:05:162
3192699181cyclictest831ksoftirqd/1000:25:012
3192699181cyclictest3066450irq/53-eth0-tx-21:12:362
3192699181cyclictest3066350irq/52-eth0-rx-21:27:582
3192199181cyclictest0-21swapper/920:05:4911
31920991816cyclictest4647-21snmp_rack3slot919:57:1410
31920991816cyclictest25775-21perl21:55:1810
31920991816cyclictest23780-21snmp_rack3slot921:51:1210
31920991816cyclictest23780-21snmp_rack3slot921:51:1210
31920991816cyclictest19967-21snmp_rack3slot919:35:1110
31920991816cyclictest19836-21perl00:00:1610
31920991816cyclictest17123-21perl19:30:1510
31920991816cyclictest16386-21snmp_easybox.os20:15:1010
31920991816cyclictest14854-21munin-run00:40:0110
31920991816cyclictest14151-21snmp_rack3slot923:51:0210
31920991816cyclictest14014-21df_inode20:55:1510
31920991816cyclictest13210-21snmp_rack3slot919:25:1710
31920991816cyclictest12375-21snmp_rack3slot920:51:2610
31920991816cyclictest11925-21snmp_rack3slot920:06:4910
31882991816cyclictest2406-21snmpd19:58:154
31926991716cyclictest831ksoftirqd/1023:50:312
31926991716cyclictest831ksoftirqd/1022:30:012
31926991716cyclictest12921-21sed22:20:282
31926991716cyclictest1261-21kworker/10:223:45:312
31926991716cyclictest1261-21kworker/10:222:50:302
31926991716cyclictest0-21swapper/1019:20:492
3192699170cyclictest831ksoftirqd/1023:25:262
3192699170cyclictest831ksoftirqd/1023:05:002
3192699170cyclictest831ksoftirqd/1023:00:132
3192699170cyclictest831ksoftirqd/1022:45:162
3192699170cyclictest831ksoftirqd/1022:15:172
3192699170cyclictest831ksoftirqd/1022:10:152
3192699170cyclictest831ksoftirqd/1022:00:122
3192699170cyclictest831ksoftirqd/1022:00:112
3192699170cyclictest831ksoftirqd/1021:50:132
3192699170cyclictest831ksoftirqd/1021:50:122
3192699170cyclictest831ksoftirqd/1021:15:162
3192699170cyclictest831ksoftirqd/1020:10:172
3192699170cyclictest831ksoftirqd/1019:55:022
3192699170cyclictest831ksoftirqd/1019:45:012
3192699170cyclictest831ksoftirqd/1019:15:192
3192699170cyclictest831ksoftirqd/1000:20:012
3192699170cyclictest831ksoftirqd/1000:10:172
3192699170cyclictest8232sleep1019:51:132
3192699170cyclictest811rcuc/1021:30:132
3192699170cyclictest72722sleep1000:25:572
3192699170cyclictest72722sleep1000:25:572
3192699170cyclictest64582sleep1022:55:462
3192699170cyclictest51402sleep1020:42:062
3192699170cyclictest40542chrt23:40:032
3192699170cyclictest323712sleep1020:35:182
3192699170cyclictest313402sleep1023:30:272
3192699170cyclictest3066350irq/52-eth0-rx-23:15:232
3192699170cyclictest3066350irq/52-eth0-rx-20:55:302
3192699170cyclictest3066350irq/52-eth0-rx-20:00:292
3192699170cyclictest3066350irq/52-eth0-rx-19:40:122
3192699170cyclictest3002sleep1023:35:022
3192699170cyclictest250972sleep1000:06:062
3192699170cyclictest247812chrt23:22:122
3192699170cyclictest223372chrt19:35:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional