mirror of
https://github.com/YosysHQ/yosys
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123 lines
3.6 KiB
C++
123 lines
3.6 KiB
C++
/*
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* yosys -- Yosys Open SYnthesis Suite
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*
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* Copyright (C) 2012 Claire Xenia Wolf <claire@yosyshq.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include <iterator>
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#include <optional>
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#include <stdint.h>
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#include "kernel/yosys.h"
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#include "kernel/celltypes.h"
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#include "passes/techmap/libparse.h"
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#include "kernel/cost.h"
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#include "frontends/ast/ast.h"
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#include "libs/json11/json11.hpp"
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#if defined(__APPLE__) && defined(__MACH__)
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#include <mach/task.h>
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#include <mach/mach_init.h>
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#endif
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USING_YOSYS_NAMESPACE
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PRIVATE_NAMESPACE_BEGIN
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std::optional<uint64_t> current_mem_bytes() {
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#if defined(__APPLE__)
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task_basic_info_64_data_t basicInfo;
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mach_msg_type_number_t count = TASK_BASIC_INFO_64_COUNT;
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kern_return_t error = task_info(mach_task_self(), TASK_BASIC_INFO_64, (task_info_t)&basicInfo, &count);
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if (error != KERN_SUCCESS) {
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return {}; // Error getting task information
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}
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return basicInfo.resident_size; // Return RSS in KB
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#elif defined(__linux__)
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// Not all linux distributions have to have this file
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std::ifstream statusFile("/proc/self/status");
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std::string line;
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while (std::getline(statusFile, line)) {
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if (line.find("VmRSS:") == 0) {
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std::istringstream iss(line);
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std::string token;
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// Skip prefix
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iss >> token;
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uint64_t rss;
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iss >> rss;
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return rss * 1024;
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}
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}
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// Error reading /proc/self/status
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return {};
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#else
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return {};
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#endif
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}
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struct InternalStatsPass : public Pass {
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InternalStatsPass() : Pass("internal_stats", "print internal statistics") { }
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void help() override
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{
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// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
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log("Print internal statistics for developers (experimental)\n");
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}
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void execute(std::vector<std::string> args, RTLIL::Design *design) override
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{
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bool json_mode = false;
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size_t argidx;
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for (argidx = 1; argidx < args.size(); argidx++)
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{
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if (args[argidx] == "-json") {
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json_mode = true;
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continue;
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}
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break;
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}
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extra_args(args, argidx, design);
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if(!json_mode)
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log_header(design, "Printing internal statistics.\n");
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log_experimental("internal_stats");
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if (json_mode) {
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log("{\n");
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log(" \"creator\": %s,\n", json11::Json(yosys_maybe_version()).dump().c_str());
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std::stringstream invocation;
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std::copy(args.begin(), args.end(), std::ostream_iterator<std::string>(invocation, " "));
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log(" \"invocation\": %s,\n", json11::Json(invocation.str()).dump().c_str());
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if (auto mem = current_mem_bytes()) {
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log(" \"memory_now\": %s,\n", std::to_string(*mem).c_str());
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}
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auto ast_bytes = AST::astnode_count() * (unsigned long long) sizeof(AST::AstNode);
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log(" \"memory_ast\": %s,\n", std::to_string(ast_bytes).c_str());
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}
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// stats go here
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if (json_mode) {
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log("\n");
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log("}\n");
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}
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}
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} InternalStatsPass;
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PRIVATE_NAMESPACE_END
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