1
2#include "ValidationEvent.h"
3#include "llvm/ADT/StringRef.h"
4#include "llvm/Support/Errc.h"
5#include "llvm/Support/Error.h"
6
7namespace llvm {
8namespace exegesis {
9
10namespace {
11
12struct ValidationEventInfo {
13 const char *const Name;
14 const char *const Description;
15};
16
17// Information about validation events, indexed by `ValidationEvent` enum
18// value.
19static constexpr ValidationEventInfo ValidationEventInfos[] = {
20 {.Name: "instructions-retired", .Description: "Count retired instructions"},
21 {.Name: "l1d-cache-load-misses", .Description: "Count L1D load cache misses"},
22 {.Name: "l1d-cache-store-misses", .Description: "Count L1D store cache misses"},
23 {.Name: "l1i-cache-load-misses", .Description: "Count L1I load cache misses"},
24 {.Name: "data-tlb-load-misses", .Description: "Count DTLB load misses"},
25 {.Name: "data-tlb-store-misses", .Description: "Count DTLB store misses"},
26 {.Name: "instruction-tlb-load-misses", .Description: "Count ITLB load misses"},
27 {.Name: "branch-prediction-misses", .Description: "Branch prediction misses"},
28};
29
30static_assert(sizeof(ValidationEventInfos) ==
31 NumValidationEvents * sizeof(ValidationEventInfo),
32 "please update ValidationEventInfos");
33
34} // namespace
35
36const char *getValidationEventName(ValidationEvent VE) {
37 return ValidationEventInfos[VE].Name;
38}
39const char *getValidationEventDescription(ValidationEvent VE) {
40 return ValidationEventInfos[VE].Description;
41}
42
43Expected<ValidationEvent> getValidationEventByName(StringRef Name) {
44 int VE = 0;
45 for (const ValidationEventInfo &Info : ValidationEventInfos) {
46 if (Name == Info.Name)
47 return static_cast<ValidationEvent>(VE);
48 ++VE;
49 }
50
51 return make_error<StringError>(Args: "Invalid validation event string",
52 Args: errc::invalid_argument);
53}
54
55} // namespace exegesis
56} // namespace llvm
57

source code of llvm/tools/llvm-exegesis/lib/ValidationEvent.cpp