You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-17 - 22:44
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 Mon Nov 17, 2025 12:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18236210594sleep40-21swapper/407:05:076
122501050irq/42-ahci0-21swapper/207:08:544
21168210191sleep50-21swapper/507:07:327
12250960irq/42-ahci0-21swapper/107:09:201
2127329182sleep100-21swapper/1007:08:132
2115828678sleep80-21swapper/807:07:2310
3066450810irq/53-eth0-tx-0-21swapper/307:08:235
2137628176sleep90-21swapper/907:09:3711
12250800irq/42-ahci0-21swapper/707:08:279
2118927768sleep110-21swapper/1107:07:503
2102726753sleep00-21swapper/007:05:390
2104726655sleep60-21swapper/607:05:578
21497993417cyclictest0-21swapper/010:08:160
21497993417cyclictest0-21swapper/010:08:160
21547992928cyclictest53922sleep1108:13:583
2149799290cyclictest0-21swapper/010:13:070
2149799290cyclictest0-21swapper/007:29:180
2154799230cyclictest0-21swapper/1110:22:523
21545992316cyclictest0-21swapper/907:50:0111
21544992321cyclictest22426-21snmp_easybox.os11:35:1410
2149799220cyclictest0-21swapper/008:11:050
2154799190cyclictest0-21swapper/1108:24:393
2154699192cyclictest3066350irq/52-eth0-rx-10:15:182
2154599192cyclictest0-21swapper/911:30:2611
2149799190cyclictest0-21swapper/009:08:250
2149799190cyclictest0-21swapper/009:08:250
21546991817cyclictest0-21swapper/1012:20:262
2154699181cyclictest12250irq/42-ahci07:47:272
2154699181cyclictest12250irq/42-ahci07:47:272
2154599181cyclictest0-21swapper/911:10:1211
2154599181cyclictest0-21swapper/909:40:0111
2154499186cyclictest0-21swapper/809:30:0010
21544991816cyclictest8285-21df_inode10:30:1510
21544991816cyclictest8285-21df_inode10:30:1410
21544991816cyclictest664-21snmp_rack3slot911:05:1310
21544991816cyclictest5714-21perl11:55:1610
21544991816cyclictest4846-21snmp_easybox.os08:55:2510
21544991816cyclictest32661-21snmp_easybox.os07:20:2410
21544991816cyclictest27221-21iostat_ios10:55:2110
21544991816cyclictest26426-21snmp_easybox.os12:25:1310
21544991816cyclictest24965-21snmp_rack3slot912:20:2710
21544991816cyclictest22975-21snmp_rack3slot907:10:1510
21544991816cyclictest21982-21snmp_rack3slot912:16:1410
21544991816cyclictest21584-21snmp_easybox.os10:05:1610
21544991816cyclictest21584-21snmp_easybox.os10:05:1510
21544991816cyclictest21122-21snmp_easybox.os09:20:1610
21544991816cyclictest20915-21diskstats07:50:1710
21544991816cyclictest20768-21ntp_states11:30:2510
21544991816cyclictest18494-21snmp_easybox.os07:45:2610
21544991816cyclictest18494-21snmp_easybox.os07:45:2610
21544991816cyclictest18354-21snmp_rack3slot912:11:2710
21544991816cyclictest16279-21snmp_easybox.os09:55:2810
21544991816cyclictest14797-21ntp_states07:40:2510
21544991816cyclictest14330-21snmp_rack3slot911:21:2410
21544991816cyclictest1356-21snmp_rack3slot910:20:1610
21531991816cyclictest3066450irq/53-eth0-tx-10:13:257
2151999182cyclictest0-21swapper/312:20:225
12250180irq/42-ahci0-21swapper/1108:09:483
2154799170cyclictest0-21swapper/1110:08:423
2154799170cyclictest0-21swapper/1110:08:423
2154799170cyclictest0-21swapper/1107:11:113
21546991716cyclictest32632-1kworker/10:2H09:12:562
21546991716cyclictest0-21swapper/1012:15:342
21546991716cyclictest0-21swapper/1010:20:272
21546991716cyclictest0-21swapper/1009:43:212
21546991716cyclictest0-21swapper/1007:20:222
2154699170cyclictest97682sleep1009:46:302
2154699170cyclictest92002sleep1009:00:372
2154699170cyclictest88682sleep1008:16:452
2154699170cyclictest831ksoftirqd/1008:50:212
2154699170cyclictest73542sleep1011:55:342
2154699170cyclictest65922chrt10:25:462
2154699170cyclictest56462sleep1008:56:502
2154699170cyclictest52902chrt08:12:312
2154699170cyclictest38492sleep1011:52:082
2154699170cyclictest323502chrt11:04:042
2154699170cyclictest314042chrt09:34:042
2154699170cyclictest3066350irq/52-eth0-rx-12:31:572
2154699170cyclictest3066350irq/52-eth0-rx-11:45:292
2154699170cyclictest3066350irq/52-eth0-rx-11:20:222
2154699170cyclictest3066350irq/52-eth0-rx-09:25:242
2154699170cyclictest3066350irq/52-eth0-rx-08:40:272
2154699170cyclictest3066350irq/52-eth0-rx-08:35:272
2154699170cyclictest3066350irq/52-eth0-rx-08:00:262
2154699170cyclictest3066350irq/52-eth0-rx-08:00:262
2154699170cyclictest3066350irq/52-eth0-rx-07:55:202
2154699170cyclictest3066350irq/52-eth0-rx-07:40:172
2154699170cyclictest3066350irq/52-eth0-rx-07:27:052
2154699170cyclictest299282sleep1007:18:252
2154699170cyclictest289862chrt11:42:562
2154699170cyclictest282382sleep1010:13:452
2154699170cyclictest26052sleep1009:38:302
2154699170cyclictest256192sleep1010:55:022
2154699170cyclictest253682sleep1011:38:072
2154699170cyclictest250032sleep1007:13:252
2154699170cyclictest248142chrt10:51:012
2154699170cyclictest243422sleep1010:06:092
2154699170cyclictest243422sleep1010:06:092
2154699170cyclictest238852chrt09:20:512
2154699170cyclictest216002chrt11:31:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional