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2026-03-27 - 15:31
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 highest latencies:
System rack7slot8.osadl.org (updated Fri Mar 27, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
273232928193,384sleep026136-21kworker/0:207:07:290
2768699128105,13cyclictest0-21swapper/007:10:030
276869910427,22cyclictest6640-21aten_r7power_po07:55:140
276869910240,47cyclictest15360-21aten_r7power_po08:30:160
27686999854,29cyclictest101ktimersoftd/009:00:050
27686999841,43cyclictest17684-21sendmail-msp08:40:020
27686999840,19cyclictest9421-21ntpq08:05:350
27686999735,47cyclictest25701-21chrt09:10:140
27686999725,19cyclictest1305-21snmpd12:01:250
27686999651,29cyclictest3650irq/20-4900000012:20:310
27686999625,32cyclictest3490-21https12:00:080
27686999560,17cyclictest4086-21/usr/sbin/munin07:45:110
27686999553,29cyclictest101ktimersoftd/010:52:090
27686999528,31cyclictest787-21haveged07:30:030
27686999525,39cyclictest30840-21mailstats07:20:450
27686999517,59cyclictest5869-21cat10:00:140
27686999446,35cyclictest30660-21sshd11:38:190
27686999419,20cyclictest15053-21chrt10:36:020
27686999418,38cyclictest7554-21munin-run12:15:010
27686999418,35cyclictest10414-21fw_forwarded_lo12:25:250
27686999411,33cyclictest1225-21df11:50:160
27686999366,19cyclictest29408-21aten_r7power_cu09:25:110
27686999339,38cyclictest101ktimersoftd/010:45:470
27686999251,32cyclictest1408-21nginx11:46:090
27686999249,34cyclictest1276-21runrttasks11:40:310
27686999150,24cyclictest0-21swapper/010:56:100
27686999135,43cyclictest1601-21wget07:35:110
27686999124,37cyclictest22967-21chrt09:00:140
27686999120,52cyclictest10574-21sendmail-msp10:20:020
27686999046,12cyclictest101ktimersoftd/010:30:170
27686999028,43cyclictest31900-21wget09:35:120
27686998956,19cyclictest2010-21node10:20:540
27686998866,10cyclictest101ktimersoftd/009:55:510
27686998847,25cyclictest101ktimersoftd/009:40:150
27686998846,28cyclictest101ktimersoftd/009:30:410
27686998838,39cyclictest26817-21sshd11:22:190
2768699878,24cyclictest16059-21ntp_states10:40:420
27686998756,20cyclictest101ktimersoftd/007:15:410
27686998750,28cyclictest12349-21seq10:25:420
27686998738,31cyclictest27891-21runrttasks11:25:530
27686998724,30cyclictest787-21haveged08:15:040
27686998626,46cyclictest17990-21df_inode08:40:180
27686998625,47cyclictest7717-21wget12:15:090
27686998619,29cyclictest3257-21cut09:50:130
27686998615,32cyclictest1305-21snmpd09:15:340
27686998552,21cyclictest13130-21runrttasks08:20:310
27686998536,17cyclictest10250irq/56-4a10000008:04:290
27686998518,32cyclictest1305-21snmpd07:34:580
27686998514,34cyclictest12706-21sendmail-msp08:20:020
27686998454,13cyclictest10150irq/55-4a10000008:45:160
27686998429,17cyclictest11411-21/usr/sbin/munin12:30:160
27686998418,31cyclictest2353-21ntp_states09:45:390
27686998414,33cyclictest21123-21aten_r7power_vo11:00:150
27686998350,21cyclictest5579-21ntp_states12:05:370
27686998331,17cyclictest28651-21processes09:20:460
27686998326,19cyclictest8135-21cut10:10:040
27686998318,47cyclictest23694-21df11:10:170
27686998315,50cyclictest22666-21sh11:05:420
27686998229,35cyclictest8339-21runrttasks10:10:150
27686998221,20cyclictest28533-21grep11:30:140
27686998215,32cyclictest20468-21df_inode08:50:180
2768699817,36cyclictest24691-21irqstats09:05:310
27686998136,35cyclictest5388-21sshd07:50:130
27686998114,29cyclictest14296-21fw_forwarded_lo08:25:280
27686998036,34cyclictest13170-21which12:35:410
27686997951,18cyclictest25531-21seq11:17:090
27686997746,15cyclictest10150irq/55-4a10000007:40:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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