mirror of
https://github.com/ClusterCockpit/cc-metric-collector.git
synced 2024-09-20 15:37:27 +02:00
32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
|
SHORT L3 cache bandwidth in MBytes/s
|
||
|
|
|
||
|
|
EVENTSET
|
||
|
|
PMC0 PM_L3_LD_PREF
|
||
|
|
PMC3 PM_DATA_FROM_L3
|
||
|
|
PMC4 PM_RUN_INST_CMPL
|
||
|
|
PMC5 PM_RUN_CYC
|
||
|
|
|
||
|
|
|
||
|
|
METRICS
|
||
|
|
Runtime (RDTSC) [s] time
|
||
|
|
CPI PMC5/PMC4
|
||
|
|
L3D load bandwidth [MBytes/s] 1.0E-06*(PMC3+(PMC0-PMC3))*128.0/time
|
||
|
|
L3D load data volume [GBytes] 1.0E-09*(PMC3+(PMC0-PMC3))*128.0
|
||
|
|
L3 bandwidth [MBytes/s] 1.0E-06*(PMC3+(PMC0-PMC3))*128.0/time
|
||
|
|
L3 data volume [GBytes] 1.0E-09*(PMC3+(PMC0-PMC3))*128.0
|
||
|
|
Loads from local L3 per cycle 100.0*(PMC3+(PMC0-PMC3))/PMC5
|
||
|
|
|
||
|
|
LONG
|
||
|
|
Formulas:
|
||
|
|
CPI = PM_RUN_CYC/PM_RUN_INST_CMPL
|
||
|
|
L3D load bandwidth [MBytes/s] = 1.0E-06*(PM_DATA_FROM_L3)*128.0/time
|
||
|
|
L3D load data volume [GBytes] = 1.0E-09*(PM_DATA_FROM_L3)*128.0
|
||
|
|
L3D evict bandwidth [MBytes/s] = 1.0E-06*(PM_L2_CASTOUT_MOD)*128.0/time
|
||
|
|
L3D evict data volume [GBytes] = 1.0E-09*(PM_L2_CASTOUT_MOD)*128.0
|
||
|
|
L3 bandwidth [MBytes/s] = 1.0E-06*(PM_DATA_FROM_L3+PM_L2_CASTOUT_MOD)*128.0/time
|
||
|
|
L3 data volume [GBytes] = 1.0E-09*(PM_DATA_FROM_L3+PM_L2_CASTOUT_MOD)*128.0
|
||
|
|
-
|
||
|
|
Profiling group to measure L3 cache bandwidth. The bandwidth is computed by the
|
||
|
|
number of cacheline loaded from the L3 to the L2 data cache. There is currently no
|
||
|
|
event to get the evicted data volume.
|