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| 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/base.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/base.cc')
| -rw-r--r-- | src/mem/cache/base.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mem/cache/base.cc b/src/mem/cache/base.cc index ecbd3526e..3ae52cebd 100644 --- a/src/mem/cache/base.cc +++ b/src/mem/cache/base.cc @@ -444,6 +444,12 @@ BaseCache::regStats() .desc("number of cache copies performed") ; + unusedPrefetches + .name(name() + ".unused_prefetches") + .desc("number of HardPF blocks evicted w/o reference") + .flags(nozero) + ; + writebacks .init(system->maxMasters()) .name(name() + ".writebacks") |