const golang.org/x/sys/unix.PERF_COUNT_HW_CACHE_OP_PREFETCH
one use
golang.org/x/sys/unix (current package)
ztypes_linux.go#L1151: PERF_COUNT_HW_CACHE_OP_PREFETCH = 0x2
The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)