diff options
| author | Rekai Gonzalez Alberquilla <Rekai.GonzalezAlberquilla@arm.com> | 2015-05-27 13:50:01 +0100 |
|---|---|---|
| committer | Rekai Gonzalez Alberquilla <Rekai.GonzalezAlberquilla@arm.com> | 2015-05-27 13:50:01 +0100 |
| commit | a3bf4aa6ec9caa68a558f7347d55991f7a254fa5 (patch) | |
| tree | 119e12016b32ddc297e52524ae5ad9c7ab9a83b8 /src/mem/cache/cache.cc | |
| parent | c75ff71139d6358678835cca63e35d1135eaf466 (diff) | |
| download | gem5-a3bf4aa6ec9caa68a558f7347d55991f7a254fa5.tar.xz | |
mem: Add unused prefetch counter in caches
Added stat to the cache to account for HardPF'ed blocks that are evicted
before being referenced (over-prefetching).
Diffstat (limited to 'src/mem/cache/cache.cc')
| -rw-r--r-- | src/mem/cache/cache.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mem/cache/cache.cc b/src/mem/cache/cache.cc index 267497aca..5d5760ff3 100644 --- a/src/mem/cache/cache.cc +++ b/src/mem/cache/cache.cc @@ -1709,6 +1709,9 @@ Cache::allocateBlock(Addr addr, bool is_secure, PacketList &writebacks) addr, is_secure ? "s" : "ns", blk->isDirty() ? "writeback" : "clean"); + if (blk->wasPrefetched()) { + unusedPrefetches++; + } // Will send up Writeback/CleanEvict snoops via isCachedAbove // when pushing this writeback list into the write buffer. if (blk->isDirty() || writebackClean) { |