bool ListCommand::Run(const std::vector<std::string>& args) {
static std::map<std::string, std::pair<int, std::string>> type_map = {
{"hw", {PERF_TYPE_HARDWARE, "hardware events"}},
{"sw", {PERF_TYPE_SOFTWARE, "software events"}},
{"cache", {PERF_TYPE_HW_CACHE, "hw-cache events"}},
{"tracepoint", {PERF_TYPE_TRACEPOINT, "tracepoint events"}},
};
std::vector<std::string> names;
if (args.empty()) {
for (auto& item : type_map) {
names.push_back(item.first);
}
} else {
for (auto& arg : args) {
if (type_map.find(arg) != type_map.end()) {
names.push_back(arg);
} else {
LOG(ERROR) << "unknown event type category: " << arg << ", try using \"help list\"";
return false;
}
}
}
auto& event_types = GetAllEventTypes();
for (auto& name : names) {
auto it = type_map.find(name);
PrintEventTypesOfType(it->second.first, it->second.second, event_types);
}
return true;
}
const EventType* FindEventTypeByConfig(uint32_t type, uint64_t config) {
for (auto& event_type : GetAllEventTypes()) {
if (event_type.type == type && event_type.config == config) {
return &event_type;
}
}
return nullptr;
}
const EventType* FindEventTypeByName(const std::string& name) {
const EventType* result = nullptr;
for (auto& event_type : GetAllEventTypes()) {
if (event_type.name == name) {
result = &event_type;
break;
}
}
if (result == nullptr) {
LOG(ERROR) << "Unknown event_type '" << name
<< "', try `simpleperf list` to list all possible event type names";
return nullptr;
}
return result;
}
