mirror of
https://github.com/ClusterCockpit/cc-metric-collector.git
synced 2024-12-28 16:19:05 +01:00
21 lines
548 B
Plaintext
21 lines
548 B
Plaintext
|
SHORT Vector unit usage
|
||
|
|
|
||
|
|
EVENTSET
|
||
|
|
PMC0 VPU_INSTRUCTIONS_EXECUTED
|
||
|
|
PMC1 VPU_STALL_REG
|
||
|
|
|
||
|
|
METRICS
|
||
|
|
Runtime (RDTSC) [s] time
|
||
|
|
Runtime unhalted [s] PMC1*inverseClock
|
||
|
|
VPU stall ratio [%] 100*(VPU_STALL_REG/PMC0)
|
||
|
|
|
||
|
|
LONG
|
||
|
|
Formulas:
|
||
|
|
VPU stall ratio [%] = 100*(VPU_STALL_REG/VPU_INSTRUCTIONS_EXECUTED)
|
||
|
|
--
|
||
|
|
This group measures how efficient the processor works with
|
||
|
|
regard to vectorization instruction throughput. The event VPU_STALL_REG counts
|
||
|
|
the VPU stalls due to data dependencies. Dependencies are read-after-write,
|
||
|
|
write-after-write and write-after-read.
|
||
|
|
|