You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-02 - 12:30
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
Characteristics of the 100 highest latencies:
System rackdslot1.osadl.org (updated Fri May 02, 2025 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2847191740,12ptp4l15794-21apt-get19:05:142
242542720,5sleep10-21swapper/100:00:201
18129997210,22cyclictest1834-21phc2sys00:20:260
1812999671,7cyclictest20590-21dump-pmu-power21:35:000
1812999671,7cyclictest20590-21dump-pmu-power21:35:000
18131996431,3cyclictest33-21ksoftirqd/222:30:192
18131996431,3cyclictest33-21ksoftirqd/222:30:192
18131996329,9cyclictest33-21ksoftirqd/222:20:002
2847191620,5ptp4l31648-21sed00:15:213
2847191620,3ptp4l18555-21cstates20:20:173
2847191610,4ptp4l0-21swapper/321:10:213
2847191610,4ptp4l0-21swapper/023:14:360
2847191610,3ptp4l17527-21ntp_states22:35:242
2847191600,4ptp4l0-21swapper/000:16:530
2847191590,4ptp4l0-21swapper/321:43:363
2847191590,3ptp4l0-21swapper/321:21:233
2847191580,4ptp4l0-21swapper/020:24:300
2847191580,3ptp4l0-21swapper/323:30:233
2847191580,3ptp4l0-21swapper/323:13:193
2847191570,4ptp4l0-21swapper/321:48:523
2847191570,4ptp4l0-21swapper/320:45:523
2847191570,4ptp4l0-21swapper/300:10:233
2847191570,4ptp4l0-21swapper/023:58:150
2847191560,4ptp4l0-21swapper/322:32:583
2847191560,4ptp4l0-21swapper/322:32:583
2847191560,4ptp4l0-21swapper/322:00:163
2847191560,4ptp4l0-21swapper/322:00:163
2847191560,4ptp4l0-21swapper/320:27:573
2847191560,4ptp4l0-21swapper/320:27:573
2847191560,3ptp4l0-21swapper/319:30:313
2847191550,4ptp4l4545-21taskset23:19:263
2847191550,4ptp4l0-21swapper/319:28:413
2847191550,4ptp4l0-21swapper/223:57:532
2847191550,3ptp4l0-21swapper/300:30:213
18131995526,5cyclictest33-21ksoftirqd/223:20:212
2847191540,4ptp4l0-21swapper/223:37:152
2847191540,4ptp4l0-21swapper/223:37:152
2847191540,4ptp4l0-21swapper/223:08:172
2847191540,4ptp4l0-21swapper/223:08:172
2847191540,3ptp4l0-21swapper/222:20:292
18131995422,7cyclictest33-21ksoftirqd/221:25:262
1813099540,2cyclictest14044-21df_inode20:10:181
2847191530,4ptp4l0-21swapper/323:49:443
2847191530,4ptp4l0-21swapper/321:30:583
2847191530,4ptp4l0-21swapper/321:30:583
2847191530,4ptp4l0-21swapper/300:21:353
2847191530,4ptp4l0-21swapper/300:09:043
2847191530,4ptp4l0-21swapper/300:00:213
2847191530,4ptp4l0-21swapper/222:12:492
2847191530,3ptp4l0-21swapper/322:40:303
2847191520,4ptp4l0-21swapper/321:06:153
2847191520,4ptp4l0-21swapper/319:35:223
2847191520,4ptp4l0-21swapper/219:39:152
2847191520,3ptp4l0-21swapper/322:15:263
2847191520,3ptp4l0-21swapper/321:54:513
2847191520,3ptp4l0-21swapper/223:44:562
18131995223,4cyclictest33-21ksoftirqd/220:02:392
2847191510,5ptp4l0-21swapper/322:51:443
2847191510,4ptp4l0-21swapper/321:04:233
2847191510,4ptp4l0-21swapper/320:02:553
2847191510,4ptp4l0-21swapper/319:48:143
2847191510,4ptp4l0-21swapper/319:43:273
2847191510,4ptp4l0-21swapper/319:12:563
2847191510,4ptp4l0-21swapper/319:07:563
2847191510,3ptp4l0-21swapper/322:28:023
2847191510,3ptp4l0-21swapper/321:57:273
2847191510,3ptp4l0-21swapper/220:17:372
18131995124,7cyclictest33-21ksoftirqd/221:45:012
18131995124,4cyclictest33-21ksoftirqd/200:30:252
18131995124,3cyclictest33-21ksoftirqd/200:20:302
18131995123,6cyclictest33-21ksoftirqd/200:35:232
152202510,1sleep215219-21sendmail_mailst21:20:312
2847191500,4ptp4l0-21swapper/323:58:183
2847191500,4ptp4l0-21swapper/323:50:533
2847191500,4ptp4l0-21swapper/323:21:533
2847191500,4ptp4l0-21swapper/320:43:353
2847191500,4ptp4l0-21swapper/221:19:142
2847191500,3ptp4l0-21swapper/323:02:383
2847191500,12ptp4l0-21swapper/323:43:443
18131995022,4cyclictest33-21ksoftirqd/220:44:432
18131995019,6cyclictest33-21ksoftirqd/219:40:352
2847191490,4ptp4l0-21swapper/320:13:493
2847191490,4ptp4l0-21swapper/319:23:493
18131994921,4cyclictest33-21ksoftirqd/223:46:232
18131994919,6cyclictest33-21ksoftirqd/219:20:152
18131994919,5cyclictest33-21ksoftirqd/220:45:222
18131994919,3cyclictest33-21ksoftirqd/200:15:132
18131994918,4cyclictest33-21ksoftirqd/219:30:202
2847191480,4ptp4l0-21swapper/320:58:313
2847191480,4ptp4l0-21swapper/320:53:113
2847191480,4ptp4l0-21swapper/122:49:021
2847191480,3ptp4l30497-21turbostat.cron00:15:012
2847191480,3ptp4l0-21swapper/322:58:033
2847191480,3ptp4l0-21swapper/321:26:483
18131994825,6cyclictest33-21ksoftirqd/200:00:232
18131994823,9cyclictest33-21ksoftirqd/221:45:162
18131994821,5cyclictest33-21ksoftirqd/220:50:302
18131994821,5cyclictest33-21ksoftirqd/220:05:482
18131994820,4cyclictest33-21ksoftirqd/219:26:032
18131994819,6cyclictest33-21ksoftirqd/223:10:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional