mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-11-04 05:19:11 +00:00
Code Activity

internal_stats: init, report current memory consumption on linux and mac

Browse source
This commit is contained in:
Emil J. Tywoniak 2024-09-03 19:28:24 +02:00
parent 6df0c3d9ec
commit 0ce7631956
2 changed files with 121 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

1
passes/cmds/Makefile.inc
View file

@ -16,6 +16,7 @@ OBJS += passes/cmds/setundef.o
OBJS += passes/cmds/splitnets.o
OBJS += passes/cmds/splitcells.o
OBJS += passes/cmds/stat.o
OBJS += passes/cmds/internal_stats.o
OBJS += passes/cmds/setattr.o
OBJS += passes/cmds/copy.o
OBJS += passes/cmds/splice.o

120
passes/cmds/internal_stats.cc Normal file
View file

@ -0,0 +1,120 @@
/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2012 Claire Xenia Wolf <claire@yosyshq.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include <iterator>
#include <optional>
#include <stdint.h>
#include "kernel/yosys.h"
#include "kernel/celltypes.h"
#include "passes/techmap/libparse.h"
#include "kernel/cost.h"
#include "libs/json11/json11.hpp"
#if defined(__APPLE__) && defined(__MACH__)
#include <mach/task.h>
#include <mach/mach_init.h>
#endif
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
std::optional<uint64_t> current_mem_bytes() {
#if defined(__APPLE__)
task_basic_info_64_data_t basicInfo;
mach_msg_type_number_t count = TASK_BASIC_INFO_64_COUNT;
kern_return_t error = task_info(mach_task_self(), TASK_BASIC_INFO_64, (task_info_t)&basicInfo, &count);
if (error != KERN_SUCCESS) {
return {}; // Error getting task information
}
return basicInfo.resident_size; // Return RSS in KB
#elif defined(__linux__)
// Not all linux distributions have to have this file
std::ifstream statusFile("/proc/self/status");
std::string line;
while (std::getline(statusFile, line)) {
if (line.find("VmRSS:") == 0) {
std::istringstream iss(line);
std::string token;
// Skip prefix
iss >> token;
uint64_t rss;
iss >> rss;
return rss * 1024;
}
}
// Error reading /proc/self/status
return {};
#else
return {};
#endif
}
struct InternalStatsPass : public Pass {
InternalStatsPass() : Pass("internal_stats", "print some internal statistics") { }
void help() override
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n"); // TODO
}
void execute(std::vector<std::string> args, RTLIL::Design *design) override
{
bool json_mode = false;
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
{
if (args[argidx] == "-json") {
json_mode = true;
continue;
}
break;
}
extra_args(args, argidx, design);
if(!json_mode)
log_header(design, "Printing internal statistics.\n");
log_experimental("internal_stats");
if (json_mode) {
log("{\n");
log(" \"creator\": %s,\n", json11::Json(yosys_version_str).dump().c_str());
std::stringstream invocation;
std::copy(args.begin(), args.end(), std::ostream_iterator<std::string>(invocation, " "));
log(" \"invocation\": %s,\n", json11::Json(invocation.str()).dump().c_str());
if (auto mem = current_mem_bytes()) {
log(" \"memory_now\": %s,\n", std::to_string(*mem).c_str());
}
}
// stats go here
if (json_mode) {
log("\n");
log("}\n");
}
}
} InternalStatsPass;
PRIVATE_NAMESPACE_END