diff options
Diffstat (limited to 'src/prefetcher/main_client.cc')
| -rw-r--r-- | src/prefetcher/main_client.cc | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/src/prefetcher/main_client.cc b/src/prefetcher/main_client.cc deleted file mode 100644 index ff7ee6d..0000000 --- a/src/prefetcher/main_client.cc +++ /dev/null @@ -1,160 +0,0 @@ -// Copyright (C) 2019 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 "common/debug.h" -#include "prefetcher/read_ahead.h" -#include "prefetcher/task_id.h" - -#include <android-base/parseint.h> -#include <android-base/logging.h> - -#include <iostream> -#include <optional> -#include <string_view> -#include <string> -#include <vector> - -#include <signal.h> -#include <unistd.h> - - -namespace iorap::prefetcher { - -static void UsageClient(char** argv) { - std::cerr << "UsageClient: " << argv[0] << " <path-to-compiled-trace.pb> [... pathN]" << std::endl; - std::cerr << "" << std::endl; - std::cerr << " Run the readahead daemon which can prefetch files given a command." << std::endl; - std::cerr << "" << std::endl; - std::cerr << " Optional flags:" << std::endl; - std::cerr << " --help,-h Print this UsageClient." << std::endl; - std::cerr << " --verbose,-v Set verbosity (default off)." << std::endl; - std::cerr << " --task-duration-ms,-tdm Set task duration (default: 0ms)." << std::endl; - std::cerr << " --use-sockets,-us Use AF_UNIX sockets (default: off)" << std::endl; - std::cerr << " --wait,-w Wait for key stroke before continuing (default off)." << std::endl; - exit(1); -} - -int MainClient(int argc, char** argv) { - android::base::InitLogging(argv); - android::base::SetLogger(android::base::StderrLogger); - - bool wait_for_keystroke = false; - bool enable_verbose = false; - - bool command_format_text = false; // false = binary. - - unsigned int arg_task_duration_ms = 10000; - std::vector<std::string> arg_input_filenames; - bool arg_use_sockets = false; - - LOG(VERBOSE) << "argparse: argc=" << argc; - - for (int arg = 1; arg < argc; ++arg) { - std::string argstr = argv[arg]; - bool has_arg_next = (arg+1)<argc; - std::string arg_next = has_arg_next ? argv[arg+1] : ""; - - LOG(VERBOSE) << "argparse: argv[" << arg << "]=" << argstr; - - if (argstr == "--help" || argstr == "-h") { - UsageClient(argv); - } else if (argstr == "--use-sockets" || argstr == "-us") { - arg_use_sockets = true; - } else if (argstr == "--verbose" || argstr == "-v") { - enable_verbose = true; - } else if (argstr == "--wait" || argstr == "-w") { - wait_for_keystroke = true; - } else if (argstr == "--task-duration-ms" || argstr == "-tdm") { - if (!has_arg_next) { - LOG(ERROR) << "--task-duration-ms: requires uint parameter"; - UsageClient(argv); - } else if (!::android::base::ParseUint(arg_next, &arg_task_duration_ms)) { - LOG(ERROR) << "--task-duration-ms: requires non-negative parameter"; - UsageClient(argv); - } - } else { - arg_input_filenames.push_back(argstr); - } - } - - if (enable_verbose) { - android::base::SetMinimumLogSeverity(android::base::VERBOSE); - - LOG(VERBOSE) << "Verbose check"; - LOG(VERBOSE) << "Debug check: " << ::iorap::kIsDebugBuild; - } else { - android::base::SetMinimumLogSeverity(android::base::DEBUG); - } - - LOG(VERBOSE) << "argparse: argc=" << argc; - - for (int arg = 1; arg < argc; ++arg) { - std::string argstr = argv[arg]; - - LOG(VERBOSE) << "argparse: argv[" << arg << "]=" << argstr; - } - - // Useful to attach a debugger... - // 1) $> iorap.cmd.readahead -w <args> - // 2) $> gdbclient <pid> - if (wait_for_keystroke) { - LOG(INFO) << "Self pid: " << getpid(); - - raise(SIGSTOP); - // LOG(INFO) << "Press any key to continue..."; - // std::cin >> wait_for_keystroke; - } - - // auto system_call = std::make_unique<SystemCallImpl>(); - // TODO: mock readahead calls? - // - // Uncomment this if we want to leave the process around to inspect it from adb shell. - // sleep(100000); - - int return_code = 0; - - LOG(VERBOSE) << "Hello world"; - - ReadAhead read_ahead{arg_use_sockets}; // Don't count the time it takes to fork+exec. - - size_t task_id_counter = 0; - for (const std::string& compiled_trace_path : arg_input_filenames) { - TaskId task_id{task_id_counter++, compiled_trace_path}; - - LOG(DEBUG) << "main: ReadAhead BeginTask: " - << "task_duration_ms=" << arg_task_duration_ms << "," - << task_id; - - read_ahead.BeginTask(task_id); - usleep(arg_task_duration_ms*1000); - - LOG(DEBUG) << "main: ReadAhead FinishTask: " << task_id; - - read_ahead.FinishTask(task_id); - } - LOG(VERBOSE) << "main: Terminating"; - - // 0 -> successfully executed all commands. - // 1 -> failed along the way (#on_error and also see the error logs). - return return_code; -} - -} // namespace iorap::prefetcher - -#if defined(IORAP_PREFETCHER_MAIN_CLIENT) -int main(int argc, char** argv) { - return ::iorap::prefetcher::MainClient(argc, argv); -} - -#endif // IORAP_PREFETCHER_MAIN_CLIENT |