diff options
Diffstat (limited to 'src/mem/physical.cc')
| -rw-r--r-- | src/mem/physical.cc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/mem/physical.cc b/src/mem/physical.cc index 3560fc670..c06dd3170 100644 --- a/src/mem/physical.cc +++ b/src/mem/physical.cc @@ -41,6 +41,7 @@ #include "arch/isa_traits.hh" #include "base/misc.hh" +#include "base/random.hh" #include "config/full_system.hh" #include "mem/packet_access.hh" #include "mem/physical.hh" @@ -51,7 +52,8 @@ using namespace std; using namespace TheISA; PhysicalMemory::PhysicalMemory(const Params *p) - : MemObject(p), pmemAddr(NULL), lat(p->latency) + : MemObject(p), pmemAddr(NULL), lat(p->latency), + lat_var(p->latency_var) { if (params()->range.size() % TheISA::PageBytes != 0) panic("Memory Size not divisible by page size\n"); @@ -116,7 +118,10 @@ PhysicalMemory::deviceBlockSize() Tick PhysicalMemory::calculateLatency(PacketPtr pkt) { - return lat; + Tick latency = lat; + if (lat_var != 0) + latency += random_mt.random<Tick>(0, lat_var); + return latency; } |