You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-02 - 19:18
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 Tue Dec 02, 2025 12:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17725210894sleep90-21swapper/907:05:1511
122501060irq/42-ahci0-21swapper/307:08:505
20115210492sleep60-21swapper/607:07:018
20084210391sleep50-21swapper/507:06:367
30663501020irq/52-eth0-rx-0-21swapper/407:08:586
12250990irq/42-ahci0-21swapper/107:08:221
3066450970irq/53-eth0-tx-0-21swapper/1007:08:592
12250930irq/42-ahci0-21swapper/207:08:564
12250890irq/42-ahci0-21swapper/807:05:0610
2005228678sleep70-21swapper/707:06:149
2010926955sleep00-21swapper/007:06:550
129950650irq/18-parport00-21swapper/1107:05:283
20535992928cyclictest0-21swapper/1108:30:173
12250280irq/42-ahci0-21swapper/707:22:049
20535992220cyclictest12250irq/42-ahci09:20:413
20535992013cyclictest901ksoftirqd/1108:18:053
20535991816cyclictest43812sleep1108:14:003
20535991816cyclictest11462-21chrt08:21:133
20533991816cyclictest26786-21snmp_rack3slot907:15:1811
2053399181cyclictest0-21swapper/912:25:2911
2053399181cyclictest0-21swapper/911:20:0011
2053399181cyclictest0-21swapper/910:15:1811
2053399181cyclictest0-21swapper/910:15:1811
2053399181cyclictest0-21swapper/909:00:1511
2053399181cyclictest0-21swapper/908:45:3111
2053399181cyclictest0-21swapper/907:40:1511
2053399181cyclictest0-21swapper/907:35:1911
20532991816cyclictest6063-21snmp_rack3slot911:11:2810
20532991816cyclictest5736-21snmp_rack3slot909:00:1310
20532991816cyclictest3793-21snmp_rack3slot910:25:1610
20532991816cyclictest3793-21snmp_rack3slot910:25:1610
20532991816cyclictest31949-21snmp_rack3slot912:32:1310
20532991816cyclictest31056-21snmp_rack3slot911:00:3810
20532991816cyclictest28314-21snmp_rack3slot910:15:1410
20532991816cyclictest28314-21snmp_rack3slot910:15:1410
20532991816cyclictest28176-21hddtemp_smartct08:45:1810
20532991816cyclictest26315-21munin-run08:45:0110
20532991816cyclictest2258-21snmp_rack3slot908:10:1510
20532991816cyclictest22567-21iostat10:50:1810
20532991816cyclictest18910-21perl11:30:1510
20532991816cyclictest1828-21iostat_ios12:35:2110
20532991816cyclictest17388-21snmp_easybox.os10:45:1210
20532991816cyclictest17293-21snmp_rack3slot912:10:3810
20532991816cyclictest17195-21snmp_rack3slot909:15:1410
20532991816cyclictest16995-21perl08:30:1410
20532991816cyclictest15784-21snmp_rack3slot907:45:1210
20532991816cyclictest15784-21snmp_rack3slot907:45:1210
20532991816cyclictest15041-21snmp_rack3slot910:40:1710
20532991816cyclictest14980-21memory09:55:2010
20532991816cyclictest13038-21snmp_rack3slot908:25:1310
20535991716cyclictest901ksoftirqd/1108:25:203
20535991716cyclictest901ksoftirqd/1107:10:353
20533991715cyclictest5773-21taskset10:28:2411
20533991715cyclictest5773-21taskset10:28:2411
20533991715cyclictest26247-21chrt08:44:1411
20533991715cyclictest18924-21iostat_ios10:45:1911
2053399170cyclictest0-21swapper/910:05:3011
20532991715cyclictest9661-21snmp_rack3slot911:16:0110
20532991715cyclictest9617-21snmp_easybox.os09:50:1210
20532991715cyclictest7926-21ntp_states09:45:2310
20532991715cyclictest7590-21snmp_rack3slot910:30:1410
20532991715cyclictest7590-21snmp_rack3slot910:30:1410
20532991715cyclictest6371-21snmp_rack3slot911:55:5010
20532991715cyclictest32384-21snmp_rack3slot911:05:1410
20532991715cyclictest31518-21snmp_rack3slot911:46:3710
20532991715cyclictest30692-21snmp_rack3slot908:50:1310
20532991715cyclictest29783-21snmp_rack3slot907:20:1210
20532991715cyclictest28213-21snmp_rack3slot912:25:4910
20532991715cyclictest27869-21snmp_rack3slot911:41:2710
20532991715cyclictest27427-21snmp_rack3slot910:55:4910
20532991715cyclictest26343-21snmp_easybox.os08:00:1110
20532991715cyclictest26343-21snmp_easybox.os08:00:1110
20532991715cyclictest24828-21snmp_rack3slot910:10:1410
20532991715cyclictest24570-21df_inode09:25:1510
20532991715cyclictest24260-21snmp_rack3slot911:36:3810
20532991715cyclictest2380-21iostat_ios07:25:1810
20532991715cyclictest22215-21snmp_easybox.os09:20:2410
20532991715cyclictest21742-21perl10:05:1710
20532991715cyclictest20977-21snmp_rack3slot912:16:1310
20532991715cyclictest20731-21perl08:35:1510
20532991715cyclictest1843-21snmp_rack3slot908:55:1510
20532991715cyclictest13763-21snmp_rack3slot912:07:0410
20532991715cyclictest13179-21snmp_rack3slot909:10:1410
20532991715cyclictest11818-21snmp_easybox.os07:40:1110
20532991715cyclictest11413-21yum08:20:3110
20532991715cyclictest10503-21snmp_rack3slot910:35:1410
20532991715cyclictest10095-21snmp_rack3slot912:01:3510
20533991615cyclictest0-21swapper/911:55:3011
20533991615cyclictest0-21swapper/909:10:0011
20533991615cyclictest0-21swapper/909:10:0011
20532991615cyclictest4292-21ntp_states09:40:2410
20532991614cyclictest9931-21diskstats09:05:1410
20532991614cyclictest9931-21diskstats09:05:1410
20532991614cyclictest31078-21perl08:05:1810
20532991614cyclictest28714-21yum07:15:3610
20532991614cyclictest24569-21snmp_rack3slot912:20:3810
20532991614cyclictest24190-21munin-node07:15:0010
20532991614cyclictest19734-21snmp_rack3slot910:01:3610
20532991614cyclictest1907-21snmp_rack3slot911:50:2510
20532991614cyclictest13344-21snmp_rack3slot911:21:3610
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional