mirror of
https://github.com/ClusterCockpit/cc-metric-collector.git
synced 2024-11-10 12:37:25 +01:00
31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
SHORT Main memory bandwidth in MBytes/s
|
|
|
|
EVENTSET
|
|
PMC0 PM_L3_CO_MEPF
|
|
PMC1 PM_DATA_ALL_FROM_MEMORY
|
|
PMC3 PM_L3_PF_ON_CHIP_MEM
|
|
PMC4 PM_RUN_INST_CMPL
|
|
PMC5 PM_RUN_CYC
|
|
|
|
METRICS
|
|
Runtime (RDTSC) [s] time
|
|
CPI PMC5/PMC4
|
|
Memory load bandwidth [MBytes/s] 1.0E-06*(PMC1+PMC3)*128.0/time
|
|
Memory load data volume [GBytes] 1.0E-09*(PMC1+PMC3)*128.0
|
|
Memory evict bandwidth [MBytes/s] 1.0E-06*(PMC0)*128.0/time
|
|
Memory evict data volume [GBytes] 1.0E-09*(PMC0)*128.0
|
|
Memory bandwidth [MBytes/s] 1.0E-06*(PMC1+PMC3+PMC0)*128.0/time
|
|
Memory data volume [GBytes] 1.0E-09*(PMC1+PMC3+PMC0)*128.0
|
|
|
|
LONG
|
|
Formulas:
|
|
CPI = PM_RUN_CYC / PM_RUN_INST_CMPL
|
|
Memory load bandwidth [MBytes/s] = 1.0E-06* (PM_DATA_ALL_FROM_MEMORY)*128/time
|
|
Memory load data volume [GBytes] = 1.0E-09* (PM_DATA_ALL_FROM_MEMORY)*128
|
|
Memory evict bandwidth [MBytes/s] = 1.0E-06* (PM_MEM_CO)*128/time
|
|
Memory evict data volume [GBytes] = 1.0E-09* (PM_MEM_CO)*128
|
|
Memory bandwidth [MBytes/s] = 1.0E-06* (PM_DATA_ALL_FROM_MEMORY+PM_MEM_CO)*128/time
|
|
Memory data volume [GBytes] = 1.0E-09* (PM_DATA_ALL_FROM_MEMORY+PM_MEM_CO)*128
|
|
--
|
|
This group uses the core-local events to measure data traffic from memory.
|