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2023-04-02 - 13:02

x86 Intel Celeron G3900 @2800 MHz, Linux 6.1.12-rt7 (Profile)

Latency plot of system in rack #c, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 rackcslot5.osadl.org (updated Sun Apr 02, 2023 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26682991131,107cyclictest11130-21meminfo19:50:260
26682991111,105cyclictest24729-21meminfo20:25:300
26682991101,107cyclictest11058-21meminfo00:00:280
26682991081,103cyclictest20764-21meminfo00:25:310
26682991081,102cyclictest31782-21meminfo23:30:250
26682991071,102cyclictest26661-21meminfo20:30:260
26682991071,101cyclictest18899-21meminfo20:10:300
26682991061,101cyclictest15022-21meminfo20:00:270
26682991061,100cyclictest20144-21meminfo23:00:270
26682991051,102cyclictest13704-21meminfo21:20:270
26682991051,100cyclictest30562-21meminfo20:40:290
26682991051,100cyclictest16254-21meminfo22:50:290
26683991021,97cyclictest3370-21meminfo19:30:251
26682991011,95cyclictest27365-21meminfo19:10:240
26682991011,95cyclictest22077-21meminfo23:05:270
26683991001,95cyclictest22700-21meminfo00:30:331
2668299991,94cyclictest9822-21meminfo21:10:330
2668299981,95cyclictest1309-21meminfo23:35:260
2668299981,93cyclictest32495-21meminfo20:45:290
2668399971,92cyclictest5938-21meminfo21:00:281
2668299971,92cyclictest29236-21meminfo22:00:260
2668299971,92cyclictest28857-21meminfo19:15:030
2668299971,91cyclictest2036-21meminfo20:50:250
2668299961,91cyclictest23405-21meminfo21:45:290
2668299961,91cyclictest22702-21meminfo00:30:320
2668299961,91cyclictest19514-21meminfo21:35:290
2668299961,91cyclictest19514-21meminfo21:35:280
2668299961,91cyclictest17576-21meminfo21:30:260
2668399951,90cyclictest16253-21meminfo22:50:281
2668299951,92cyclictest5232-21meminfo23:45:290
2668299951,90cyclictest16955-21meminfo20:05:260
2668299951,89cyclictest31879-21meminfo19:20:270
2668299941,91cyclictest31173-21meminfo22:05:300
2668299941,89cyclictest5309-21meminfo19:35:290
2668299941,89cyclictest5309-21meminfo19:35:290
2668299941,89cyclictest25334-21meminfo21:50:270
2668299941,89cyclictest16865-21meminfo00:15:290
2668299941,89cyclictest1414-21meminfo19:25:260
2668399931,88cyclictest13072-21meminfo19:55:281
2668399931,87cyclictest1310-21meminfo23:35:261
2668299931,88cyclictest18823-21meminfo00:20:300
2668299931,87cyclictest6564-21meminfo22:25:310
2668299921,87cyclictest15640-21meminfo21:25:260
2668299911,85cyclictest20828-21meminfo20:15:260
2668299911,84cyclictest14319-21meminfo22:45:280
2668399901,85cyclictest27364-21meminfo19:10:231
2668299901,85cyclictest7273-21meminfo19:40:330
2668299901,85cyclictest4621-21meminfo22:20:280
2668299901,85cyclictest28601-21meminfo20:35:290
2668299891,86cyclictest27912-21meminfo23:20:270
2668299891,86cyclictest2667-21meminfo22:15:280
2668299881,85cyclictest673-21meminfo22:10:320
2668299881,85cyclictest10423-21meminfo22:35:250
2668299881,83cyclictest14932-21meminfo00:10:300
2668299881,82cyclictest3982-21meminfo20:55:240
2668399871,82cyclictest28598-21meminfo20:35:271
2668299871,82cyclictest9103-21meminfo23:55:260
2668299871,82cyclictest5941-21meminfo21:00:280
2668299861,83cyclictest7162-21meminfo23:50:260
2668399851,80cyclictest3300-21meminfo23:40:291
2668299851,80cyclictest29850-21meminfo23:25:250
2668299851,80cyclictest24632-21meminfo00:35:310
2668299851,79cyclictest21472-21meminfo21:40:320
2668299841,79cyclictest18188-21meminfo22:55:250
2668299841,79cyclictest12390-21meminfo22:40:330
2668299831,78cyclictest24016-21meminfo23:10:300
2668299831,78cyclictest24016-21meminfo23:10:300
2668299831,77cyclictest8489-21meminfo22:30:270
2668399821,77cyclictest18822-21meminfo00:20:281
2668299821,77cyclictest9198-21meminfo19:45:270
2668299791,74cyclictest22793-21meminfo20:20:310
2668399771,72cyclictest7163-21meminfo23:50:261
2668399751,70cyclictest9104-21meminfo23:55:281
2668299731,68cyclictest27282-21meminfo21:55:270
2668399711,66cyclictest25947-21meminfo23:15:261
2668299711,68cyclictest11746-21meminfo21:15:260
2668299711,66cyclictest3369-21meminfo19:30:250
2668399701,65cyclictest21474-21meminfo21:40:311
2668399661,61cyclictest24017-21meminfo23:10:291
2668399661,61cyclictest24017-21meminfo23:10:291
2668299651,62cyclictest25950-21meminfo23:15:260
2668299651,59cyclictest3301-21meminfo23:40:310
2668299621,57cyclictest7875-21meminfo21:05:270
2668299571,54cyclictest12992-21meminfo00:05:270
2668399521,47cyclictest6563-21meminfo22:25:321
179522470,2sleep1271ktimers/100:19:541
26682993813,13cyclictest13940-21taskset19:57:350
26683993327,3cyclictest20065-21grep21:35:361
26683993327,3cyclictest20065-21grep21:35:361
26683993222,3cyclictest120972sleep100:04:271
26683993123,6cyclictest9459-21seq22:33:381
26683993123,6cyclictest32277-21ls23:30:321
227912310,2sleep1261rcuc/123:05:521
26683993023,5cyclictest15935-21cut21:25:311
26683993023,4cyclictest3319-21taskset20:55:131
26683993023,4cyclictest32159-21grep20:45:271
26683993023,4cyclictest31686-21cat19:20:251
26683993023,4cyclictest29007-21taskset19:15:041
26683993023,4cyclictest11163-21cat21:15:191
26683993022,5cyclictest28563-21seq22:00:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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