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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <string>
#include <vector>
#include <base/logging.h>
#include "command.h"
#include "event_type.h"
#include "perf_event.h"
static void PrintEventTypesOfType(uint32_t type, const char* type_name,
const std::vector<const EventType>& event_types) {
printf("List of %s:\n", type_name);
for (auto& event_type : event_types) {
if (event_type.type == type && event_type.IsSupportedByKernel()) {
printf(" %s\n", event_type.name);
}
}
printf("\n");
}
class ListCommand : public Command {
public:
ListCommand()
: Command("list", "list all available perf events",
"Usage: simpleperf list\n"
" List all available perf events on this machine.\n") {
}
bool Run(const std::vector<std::string>& args) override;
};
bool ListCommand::Run(const std::vector<std::string>& args) {
if (!args.empty()) {
LOG(ERROR) << "malformed command line: list subcommand needs no argument";
LOG(ERROR) << "try using \"help list\"";
return false;
}
auto& event_types = EventTypeFactory::GetAllEventTypes();
PrintEventTypesOfType(PERF_TYPE_HARDWARE, "hardware events", event_types);
PrintEventTypesOfType(PERF_TYPE_SOFTWARE, "software events", event_types);
PrintEventTypesOfType(PERF_TYPE_HW_CACHE, "hw-cache events", event_types);
return true;
}
ListCommand list_command;
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