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-rw-r--r--src/mem/ruby/system/CacheMemory.cc3
-rw-r--r--src/mem/ruby/system/MemoryControl.cc42
-rw-r--r--src/mem/ruby/system/MemoryControl.hh19
-rw-r--r--src/mem/ruby/system/MemoryVector.hh5
-rw-r--r--src/mem/ruby/system/System.cc15
-rw-r--r--src/mem/ruby/system/System.hh7
6 files changed, 68 insertions, 23 deletions
diff --git a/src/mem/ruby/system/CacheMemory.cc b/src/mem/ruby/system/CacheMemory.cc
index 393612355..9144a8dff 100644
--- a/src/mem/ruby/system/CacheMemory.cc
+++ b/src/mem/ruby/system/CacheMemory.cc
@@ -28,6 +28,7 @@
#include "base/intmath.hh"
#include "debug/RubyCache.hh"
+#include "debug/RubyCacheTrace.hh"
#include "mem/protocol/AccessPermission.hh"
#include "mem/ruby/system/CacheMemory.hh"
#include "mem/ruby/system/System.hh"
@@ -398,7 +399,7 @@ CacheMemory::recordCacheContents(int cntrl, CacheRecorder* tr) const
}
}
- DPRINTF(RubyCache, "%s: %lli blocks of %lli total blocks"
+ DPRINTF(RubyCacheTrace, "%s: %lli blocks of %lli total blocks"
"recorded %.2f%% \n", name().c_str(), warmedUpBlocks,
(uint64)m_cache_num_sets * (uint64)m_cache_assoc,
(float(warmedUpBlocks)/float(totalBlocks))*100.0);
diff --git a/src/mem/ruby/system/MemoryControl.cc b/src/mem/ruby/system/MemoryControl.cc
index 2ab0736e5..4e5ebdbe9 100644
--- a/src/mem/ruby/system/MemoryControl.cc
+++ b/src/mem/ruby/system/MemoryControl.cc
@@ -144,7 +144,7 @@ operator<<(ostream& out, const MemoryControl& obj)
// CONSTRUCTOR
MemoryControl::MemoryControl(const Params *p)
- : SimObject(p)
+ : SimObject(p), m_event(this)
{
m_mem_bus_cycle_multiplier = p->mem_bus_cycle_multiplier;
m_banks_per_rank = p->banks_per_rank;
@@ -204,7 +204,6 @@ MemoryControl::init()
m_refresh_count = 1;
m_need_refresh = 0;
m_refresh_bank = 0;
- m_awakened = 0;
m_idleCount = 0;
m_ageCounter = 0;
@@ -253,16 +252,17 @@ MemoryControl::enqueueMemRef(MemoryNode& memRef)
physical_address_t addr = memRef.m_addr;
int bank = getBank(addr);
- DPRINTF(RubyMemory, "New memory request%7d: %#08x %c arrived at %10d bank = %3x\n",
+ DPRINTF(RubyMemory,
+ "New memory request%7d: %#08x %c arrived at %10d bank = %3x sched %c\n",
m_msg_counter, addr, memRef.m_is_mem_read ? 'R':'W',
memRef.m_time * g_eventQueue_ptr->getClock(),
- bank);
+ bank, m_event.scheduled() ? 'Y':'N');
m_profiler_ptr->profileMemReq(bank);
m_input_queue.push_back(memRef);
- if (!m_awakened) {
- g_eventQueue_ptr->scheduleEvent(this, 1);
- m_awakened = 1;
+
+ if (!m_event.scheduled()) {
+ schedule(m_event, curTick() + 1);
}
}
@@ -289,8 +289,9 @@ MemoryControl::peekNode()
{
assert(isReady());
MemoryNode req = m_response_queue.front();
- DPRINTF(RubyMemory, "Peek: memory request%7d: %#08x %c\n",
- req.m_msg_counter, req.m_addr, req.m_is_mem_read ? 'R':'W');
+ DPRINTF(RubyMemory, "Peek: memory request%7d: %#08x %c sched %c\n",
+ req.m_msg_counter, req.m_addr, req.m_is_mem_read ? 'R':'W',
+ m_event.scheduled() ? 'Y':'N');
return req;
}
@@ -513,9 +514,9 @@ MemoryControl::issueRequest(int bank)
m_bankQueues[bank].pop_front();
DPRINTF(RubyMemory, "Mem issue request%7d: %#08x %c "
- "bank=%3x\n", req.m_msg_counter, req.m_addr,
+ "bank=%3x sched %c\n", req.m_msg_counter, req.m_addr,
req.m_is_mem_read? 'R':'W',
- bank);
+ bank, m_event.scheduled() ? 'Y':'N');
if (req.m_msgptr) { // don't enqueue L3 writebacks
enqueueToDirectory(req, m_mem_ctl_latency + m_mem_fixed_delay);
@@ -642,19 +643,28 @@ MemoryControl::executeCycle()
}
}
+unsigned int
+MemoryControl::drain(Event *de)
+{
+ DPRINTF(RubyMemory, "MemoryController drain\n");
+ if(m_event.scheduled()) {
+ deschedule(m_event);
+ }
+ return 0;
+}
+
// wakeup: This function is called once per memory controller clock cycle.
void
MemoryControl::wakeup()
{
+ DPRINTF(RubyMemory, "MemoryController wakeup\n");
// execute everything
executeCycle();
m_idleCount--;
- if (m_idleCount <= 0) {
- m_awakened = 0;
- } else {
- // Reschedule ourselves so that we run every memory cycle:
- g_eventQueue_ptr->scheduleEvent(this, m_mem_bus_cycle_multiplier);
+ if (m_idleCount > 0) {
+ assert(!m_event.scheduled());
+ schedule(m_event, curTick() + m_mem_bus_cycle_multiplier);
}
}
diff --git a/src/mem/ruby/system/MemoryControl.hh b/src/mem/ruby/system/MemoryControl.hh
index 1534851d5..48ce8a8e0 100644
--- a/src/mem/ruby/system/MemoryControl.hh
+++ b/src/mem/ruby/system/MemoryControl.hh
@@ -54,12 +54,15 @@ class MemoryControl :
public SimObject, public Consumer, public AbstractMemOrCache
{
public:
+
typedef RubyMemoryControlParams Params;
MemoryControl(const Params *p);
void init();
~MemoryControl();
+ unsigned int drain(Event *de);
+
void wakeup();
void setConsumer(Consumer* consumer_ptr);
@@ -90,6 +93,19 @@ class MemoryControl :
int getDimmsPerChannel() { return m_dimms_per_channel; }
private:
+ class MemCntrlEvent : public Event
+ {
+ public:
+ MemCntrlEvent(MemoryControl* _mem_cntrl)
+ {
+ mem_cntrl = _mem_cntrl;
+ }
+ private:
+ void process() { mem_cntrl->wakeup(); }
+
+ MemoryControl* mem_cntrl;
+ };
+
void enqueueToDirectory(MemoryNode req, int latency);
int getBank(physical_address_t addr);
int getRank(int bank);
@@ -107,7 +123,6 @@ class MemoryControl :
Consumer* m_consumer_ptr; // Consumer to signal a wakeup()
std::string m_description;
int m_msg_counter;
- int m_awakened;
int m_mem_bus_cycle_multiplier;
int m_banks_per_rank;
@@ -159,6 +174,8 @@ class MemoryControl :
int m_idleCount; // watchdog timer for shutting down
MemCntrlProfiler* m_profiler_ptr;
+
+ MemCntrlEvent m_event;
};
#endif // __MEM_RUBY_SYSTEM_MEMORY_CONTROL_HH__
diff --git a/src/mem/ruby/system/MemoryVector.hh b/src/mem/ruby/system/MemoryVector.hh
index 9bd3516c2..315e00942 100644
--- a/src/mem/ruby/system/MemoryVector.hh
+++ b/src/mem/ruby/system/MemoryVector.hh
@@ -30,6 +30,7 @@
#define __MEM_RUBY_SYSTEM_MEMORYVECTOR_HH__
#include "base/trace.hh"
+#include "debug/RubyCacheTrace.hh"
#include "mem/ruby/common/Address.hh"
class DirectoryMemory;
@@ -184,6 +185,8 @@ MemoryVector::collatePages(uint8* &raw_data)
memcpy(raw_data, &m_num_pages, sizeof(uint32));
data_size = sizeof(uint32);
+ DPRINTF(RubyCacheTrace, "collating %d pages\n", m_num_pages);
+
for (uint32 i = 0;i < m_num_pages; ++i)
{
if (m_pages[i] == 0) {
@@ -217,6 +220,8 @@ MemoryVector::populatePages(uint8* raw_data)
data_size = sizeof(uint32);
assert(num_pages == m_num_pages);
+ DPRINTF(RubyCacheTrace, "Populating %d pages\n", num_pages);
+
for (uint32 i = 0;i < m_num_pages; ++i)
{
assert(m_pages[i] == 0);
diff --git a/src/mem/ruby/system/System.cc b/src/mem/ruby/system/System.cc
index 6f191819b..078e35492 100644
--- a/src/mem/ruby/system/System.cc
+++ b/src/mem/ruby/system/System.cc
@@ -33,11 +33,12 @@
#include "base/intmath.hh"
#include "base/output.hh"
-#include "debug/RubySystem.hh"
+#include "debug/RubyCacheTrace.hh"
#include "mem/ruby/common/Address.hh"
#include "mem/ruby/network/Network.hh"
#include "mem/ruby/profiler/Profiler.hh"
#include "mem/ruby/system/System.hh"
+#include "sim/eventq.hh"
#include "sim/simulate.hh"
using namespace std;
@@ -224,6 +225,7 @@ RubySystem::serialize(std::ostream &os)
}
}
+ DPRINTF(RubyCacheTrace, "Recording Cache Trace\n");
// Create the CacheRecorder and record the cache trace
m_cache_recorder = new CacheRecorder(NULL, 0, sequencer_map);
@@ -231,15 +233,19 @@ RubySystem::serialize(std::ostream &os)
m_abs_cntrl_vec[cntrl]->recordCacheTrace(cntrl, m_cache_recorder);
}
+ DPRINTF(RubyCacheTrace, "Cache Trace Complete\n");
// save the current tick value
Tick curtick_original = curTick();
// save the event queue head
Event* eventq_head = eventq->replaceHead(NULL);
+ DPRINTF(RubyCacheTrace, "Recording current tick %ld and event queue\n",
+ curtick_original);
// Schedule an event to start cache cooldown
- RubyEvent* e = new RubyEvent(this);
- schedule(e,curTick());
+ DPRINTF(RubyCacheTrace, "Starting cache flush\n");
+ enqueueRubyEvent(curTick());
simulate();
+ DPRINTF(RubyCacheTrace, "Cache flush complete\n");
// Restore eventq head
eventq_head = eventq->replaceHead(eventq_head);
@@ -378,8 +384,7 @@ RubySystem::startup()
curTick(0);
// Schedule an event to start cache warmup
- RubyEvent* e = new RubyEvent(this);
- schedule(e,curTick());
+ enqueueRubyEvent(curTick());
simulate();
delete m_cache_recorder;
diff --git a/src/mem/ruby/system/System.hh b/src/mem/ruby/system/System.hh
index 461abffe2..d7d01bcac 100644
--- a/src/mem/ruby/system/System.hh
+++ b/src/mem/ruby/system/System.hh
@@ -129,6 +129,13 @@ class RubySystem : public SimObject
void registerAbstractController(AbstractController*);
void registerSparseMemory(SparseMemory*);
+ bool eventQueueEmpty() { return eventq->empty(); }
+ void enqueueRubyEvent(Tick tick)
+ {
+ RubyEvent* e = new RubyEvent(this);
+ schedule(e, tick);
+ }
+
private:
// Private copy constructor and assignment operator
RubySystem(const RubySystem& obj);
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-29 04:58:20 +0000