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support for huge pages

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This commit is contained in:
Andreas Abel
2019-03-28 21:33:27 +01:00
parent c91ffef8f8
commit de6f3606c3
4 changed files with 63 additions and 3 deletions
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7
common/nanoBench.c
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@@ -45,6 +45,7 @@ void* runtime_rbp;
void* runtime_rdi;
void* runtime_rsi;
void* runtime_rsp;
void* huge_pages = NULL;
int64_t pfc_mem[MAX_PROGRAMMABLE_COUNTERS];
void* RSP_mem;
@@ -383,7 +384,11 @@ void create_runtime_code(char* measurement_template, long local_unroll_count, lo
templateI += 8;
rci += 8;
} else if (starts_with_magic_bytes(&measurement_template[templateI], MAGIC_BYTES_RUNTIME_R14)) {
*(void**)(&runtime_code[rci]) = runtime_r14 + RUNTIME_R_SIZE/2;
if (huge_pages) {
*(void**)(&runtime_code[rci]) = huge_pages;
} else {
*(void**)(&runtime_code[rci]) = runtime_r14 + RUNTIME_R_SIZE/2;
}
templateI += 8;
rci += 8;
} else if (starts_with_magic_bytes(&measurement_template[templateI], MAGIC_BYTES_RUNTIME_RBP)) {

3
common/nanoBench.h
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@@ -158,6 +158,9 @@ extern void* runtime_rdi;
extern void* runtime_rsi;
extern void* runtime_rsp;
// If non-null, R14 will contain this address instead of runtime_r14.
extern void* huge_pages;
// Stores performance counter values during measurements.
extern int64_t pfc_mem[MAX_PROGRAMMABLE_COUNTERS];