Daniel Carvalho has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/18908
Change subject: mem-cache: Move unused prefetches counter update
......................................................................
mem-cache: Move unused prefetches counter update
The number of unused prefetches should be updated every time
a block is invalidated, therefore we move the update to within
the corresponding function.
Change-Id: If3ac2ea43611525bd3c36d628d88382042fcb7dc
Signed-off-by: Daniel R. Carvalho <[email protected]>
---
M src/mem/cache/base.cc
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/src/mem/cache/base.cc b/src/mem/cache/base.cc
index 1536ada..94fff2d 100644
--- a/src/mem/cache/base.cc
+++ b/src/mem/cache/base.cc
@@ -863,9 +863,6 @@
// Evict valid blocks
for (const auto& evict_blk : evict_blks) {
if (evict_blk->isValid()) {
- if (evict_blk->wasPrefetched()) {
- unusedPrefetches++;
- }
Cycles lat = calculateAccessLatency(evict_blk, delay,
tag_latency);
evictBlock(evict_blk, clockEdge(lat + forwardLatency));
}
@@ -1503,10 +1500,6 @@
"%#llx (%s)\n", blk->print(),
regenerateBlkAddr(blk),
addr, is_secure);
- if (blk->wasPrefetched()) {
- unusedPrefetches++;
- }
-
Cycles lat =
calculateAccessLatency(blk, pkt->headerDelay,
tag_latency);
evictBlock(blk, clockEdge(lat + forwardLatency));
@@ -1532,6 +1525,11 @@
void
BaseCache::invalidateBlock(CacheBlk *blk)
{
+ // If block is still marked as prefetched, then it hasn't been used
+ if (blk->wasPrefetched()) {
+ unusedPrefetches++;
+ }
+
// If handling a block present in the Tags, let it do its invalidation
// process, which will update stats and invalidate the block itself
if (blk != tempBlock) {
--
To view, visit https://gem5-review.googlesource.com/c/public/gem5/+/18908
To unsubscribe, or for help writing mail filters, visit
https://gem5-review.googlesource.com/settings
Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: If3ac2ea43611525bd3c36d628d88382042fcb7dc
Gerrit-Change-Number: 18908
Gerrit-PatchSet: 1
Gerrit-Owner: Daniel Carvalho <[email protected]>
Gerrit-MessageType: newchange
_______________________________________________
gem5-dev mailing list
[email protected]
http://m5sim.org/mailman/listinfo/gem5-dev