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mica_memfootprint.cpp
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/*
* This file is part of MICA, a Pin tool to collect
* microarchitecture-independent program characteristics using the Pin
* instrumentation framework.
*
* Please see the README.txt file distributed with the MICA release for more
* information.
*/
#include "pin.H"
/* MICA includes */
#include "mica_utils.h"
#include "mica_memfootprint.h"
/* Global variables */
extern INT64 interval_size;
extern INT64 interval_ins_count;
extern INT64 interval_ins_count_for_hpc_alignment;
extern INT64 total_ins_count;
extern INT64 total_ins_count_for_hpc_alignment;
extern UINT32 _block_size;
extern UINT32 _page_size;
static UINT32 memfootprint_block_size;
static UINT32 page_size;
static ofstream output_file_memfootprint;
static nlist* DmemCacheWorkingSetTable[MAX_MEM_TABLE_ENTRIES];
static nlist* DmemPageWorkingSetTable[MAX_MEM_TABLE_ENTRIES];
static nlist* ImemCacheWorkingSetTable[MAX_MEM_TABLE_ENTRIES];
static nlist* ImemPageWorkingSetTable[MAX_MEM_TABLE_ENTRIES];
static long long DmemCacheWSS() {
long long DmemCacheWorkingSetSize = 0L;
for (int i = 0; i < MAX_MEM_TABLE_ENTRIES; i++) {
for (nlist *np = DmemCacheWorkingSetTable [i]; np != (nlist*) NULL; np = np->next) {
for (ADDRINT j = 0; j < MAX_MEM_BLOCK; j++) {
if ((np->mem)->numReferenced [j]) {
DmemCacheWorkingSetSize++;
}
}
}
}
return DmemCacheWorkingSetSize;
}
static long long ImemCacheWSS() {
long long ImemCacheWorkingSetSize = 0L;
for (int i = 0; i < MAX_MEM_TABLE_ENTRIES; i++) {
for (nlist *np = ImemCacheWorkingSetTable [i]; np != (nlist*) NULL; np = np->next) {
for (ADDRINT j = 0; j < MAX_MEM_BLOCK; j++) {
if ((np->mem)->numReferenced [j]) {
ImemCacheWorkingSetSize++;
}
}
}
}
return ImemCacheWorkingSetSize;
}
static long long DmemPageWSS() {
long long DmemPageWorkingSetSize = 0L;
for (int i = 0; i < MAX_MEM_TABLE_ENTRIES; i++) {
for (nlist *np = DmemPageWorkingSetTable [i]; np != (nlist*) NULL; np = np->next) {
for (ADDRINT j = 0; j < MAX_MEM_BLOCK; j++) {
if ((np->mem)->numReferenced [j]) {
DmemPageWorkingSetSize++;
}
}
}
}
return DmemPageWorkingSetSize;
}
static long long ImemPageWSS() {
long long ImemPageWorkingSetSize = 0L;
for (int i = 0; i < MAX_MEM_TABLE_ENTRIES; i++) {
for (nlist *np = ImemPageWorkingSetTable [i]; np != (nlist*) NULL; np = np->next) {
for (ADDRINT j = 0; j < MAX_MEM_BLOCK; j++) {
if ((np->mem)->numReferenced [j]) {
ImemPageWorkingSetSize++;
}
}
}
}
return ImemPageWorkingSetSize;
}
/* initializing */
void init_memfootprint(){
int i;
for (i = 0; i < MAX_MEM_TABLE_ENTRIES; i++) {
DmemCacheWorkingSetTable[i] = (nlist*) NULL;
DmemPageWorkingSetTable[i] = (nlist*) NULL;
ImemCacheWorkingSetTable[i] = (nlist*) NULL;
ImemPageWorkingSetTable[i] = (nlist*) NULL;
}
memfootprint_block_size = _block_size;
page_size = _page_size;
if(interval_size != -1){
output_file_memfootprint.open(mkfilename("memfootprint_phases_int"), ios::out|ios::trunc);
output_file_memfootprint.close();
}
}
VOID memOp(ADDRINT effMemAddr, ADDRINT size){
if(size > 0){
ADDRINT a;
ADDRINT addr, endAddr, upperAddr, indexInChunk;
memNode* chunk;
/* D-stream (64-byte) cache block memory footprint */
addr = effMemAddr >> memfootprint_block_size;
endAddr = (effMemAddr + size - 1) >> memfootprint_block_size;
for(a = addr; a <= endAddr; a++){
upperAddr = a >> LOG_MAX_MEM_BLOCK;
indexInChunk = a ^ (upperAddr << LOG_MAX_MEM_BLOCK);
chunk = lookup(DmemCacheWorkingSetTable, upperAddr);
if(chunk == (memNode*)NULL)
chunk = install(DmemCacheWorkingSetTable, upperAddr);
//assert(indexInChunk >= 0 && indexInChunk < MAX_MEM_BLOCK);
chunk->numReferenced[indexInChunk] = true;
}
/* D-stream (4KB) page block memory footprint */
addr = effMemAddr >> page_size;
endAddr = (effMemAddr + size - 1) >> page_size;
for(a = addr; a <= endAddr; a++){
upperAddr = a >> LOG_MAX_MEM_BLOCK;
indexInChunk = a ^ (upperAddr << LOG_MAX_MEM_BLOCK);
chunk = lookup(DmemPageWorkingSetTable, upperAddr);
if(chunk == (memNode*)NULL)
chunk = install(DmemPageWorkingSetTable, upperAddr);
//assert(indexInChunk >= 0 && indexInChunk < MAX_MEM_BLOCK);
chunk->numReferenced[indexInChunk] = true;
}
}
}
VOID instrMem(ADDRINT instrAddr, ADDRINT size){
if(size > 0){
ADDRINT a;
ADDRINT addr, endAddr, upperAddr, indexInChunk;
memNode* chunk;
/* I-stream (64-byte) cache block memory footprint */
addr = instrAddr >> memfootprint_block_size;
endAddr = (instrAddr + size - 1) >> memfootprint_block_size;
for(a = addr; a <= endAddr; a++){
upperAddr = a >> LOG_MAX_MEM_BLOCK;
indexInChunk = a ^ (upperAddr << LOG_MAX_MEM_BLOCK);
chunk = lookup(ImemCacheWorkingSetTable, upperAddr);
if(chunk == (memNode*)NULL)
chunk = install(ImemCacheWorkingSetTable, upperAddr);
//assert(indexInChunk >= 0 && indexInChunk < MAX_MEM_BLOCK);
chunk->numReferenced[indexInChunk] = true;
}
/* I-stream (4KB) page block memory footprint */
addr = instrAddr >> page_size;
endAddr = (instrAddr + size - 1) >> page_size;
for(a = addr; a <= endAddr; a++){
upperAddr = a >> LOG_MAX_MEM_BLOCK;
indexInChunk = a ^ (upperAddr << LOG_MAX_MEM_BLOCK);
chunk = lookup(ImemPageWorkingSetTable, upperAddr);
if(chunk == (memNode*)NULL)
chunk = install(ImemPageWorkingSetTable, upperAddr);
//assert(indexInChunk >= 0 && indexInChunk < MAX_MEM_BLOCK);
chunk->numReferenced[indexInChunk] = true;
}
}
}
static VOID memfootprint_instr_full(ADDRINT instrAddr, ADDRINT size){
/* counting instructions is done in all_instr_full() */
instrMem(instrAddr, size);
}
static ADDRINT memfootprint_instr_intervals(ADDRINT instrAddr, ADDRINT size){
/* counting instructions is done in all_instr_intervals() */
instrMem(instrAddr, size);
return (ADDRINT)(interval_ins_count_for_hpc_alignment == interval_size);
}
VOID memfootprint_instr_interval_output(){
output_file_memfootprint.open(mkfilename("memfootprint_phases_int"), ios::out|ios::app);
long long DmemCacheWorkingSetSize = DmemCacheWSS();
long long DmemPageWorkingSetSize = DmemPageWSS();
long long ImemCacheWorkingSetSize = ImemCacheWSS();
long long ImemPageWorkingSetSize = ImemPageWSS();
output_file_memfootprint << DmemCacheWorkingSetSize << " " << DmemPageWorkingSetSize << " " << ImemCacheWorkingSetSize << " " << ImemPageWorkingSetSize << endl;
output_file_memfootprint.close();
}
VOID memfootprint_instr_interval_reset(){
/* clean used memory, to avoid memory shortage for long (CPU2006) benchmarks */
for(ADDRINT i=0; i < MAX_MEM_TABLE_ENTRIES; i++){
free_nlist(DmemCacheWorkingSetTable[i]);
free_nlist(DmemPageWorkingSetTable[i]);
free_nlist(ImemCacheWorkingSetTable[i]);
free_nlist(ImemPageWorkingSetTable[i]);
}
}
static VOID memfootprint_instr_interval(){
memfootprint_instr_interval_output();
memfootprint_instr_interval_reset();
interval_ins_count = 0;
interval_ins_count_for_hpc_alignment = 0;
}
/* instrumenting (instruction level) */
VOID instrument_memfootprint(INS ins, VOID* v){
if(INS_IsMemoryRead(ins)){
INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)memOp, IARG_MEMORYREAD_EA, IARG_MEMORYREAD_SIZE, IARG_END);
if(INS_HasMemoryRead2(ins)){
INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)memOp, IARG_MEMORYREAD2_EA, IARG_MEMORYREAD_SIZE, IARG_END);
}
}
if(INS_IsMemoryWrite(ins)){
INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)memOp, IARG_MEMORYWRITE_EA, IARG_MEMORYWRITE_SIZE, IARG_END);
}
if(interval_size == -1)
INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)memfootprint_instr_full, IARG_ADDRINT, INS_Address(ins), IARG_ADDRINT, (ADDRINT)INS_Size(ins), IARG_END);
else{
INS_InsertIfCall(ins, IPOINT_BEFORE, (AFUNPTR)memfootprint_instr_intervals, IARG_ADDRINT, INS_Address(ins), IARG_ADDRINT, (ADDRINT)INS_Size(ins), IARG_END);
INS_InsertThenCall(ins, IPOINT_BEFORE, (AFUNPTR)memfootprint_instr_interval, IARG_END);
}
}
/* finishing... */
VOID fini_memfootprint(INT32 code, VOID* v){
long long DmemCacheWorkingSetSize = DmemCacheWSS();
long long DmemPageWorkingSetSize = DmemPageWSS();
long long ImemCacheWorkingSetSize = ImemCacheWSS();
long long ImemPageWorkingSetSize = ImemPageWSS();
if(interval_size == -1){
output_file_memfootprint.open(mkfilename("memfootprint_full_int"), ios::out|ios::trunc);
}
else{
output_file_memfootprint.open(mkfilename("memfootprint_phases_int"), ios::out|ios::app);
}
output_file_memfootprint << DmemCacheWorkingSetSize << " " << DmemPageWorkingSetSize << " " << ImemCacheWorkingSetSize << " " << ImemPageWorkingSetSize << endl;
//output_file_memfootprint << "number of instructions: " << total_ins_count_for_hpc_alignment << endl;
output_file_memfootprint << " ";
output_file_memfootprint.close();
}