/
runtime_configuration.cpp
1035 lines (916 loc) · 35.7 KB
/
runtime_configuration.cpp
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// Copyright (c) 2005-2017 Hartmut Kaiser
// Copyright (c) 2011 Bryce Adelstein-Lelbach
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <hpx/util/runtime_configuration.hpp>
#include <hpx/config/defaults.hpp>
// TODO: move parcel ports into plugins
#include <hpx/runtime/parcelset/parcelhandler.hpp>
#include <hpx/util/detail/pp/expand.hpp>
#include <hpx/util/detail/pp/stringize.hpp>
#include <hpx/util/filesystem_compatibility.hpp>
#include <hpx/util/find_prefix.hpp>
#include <hpx/util/init_ini_data.hpp>
#include <hpx/util/itt_notify.hpp>
#include <hpx/util/register_locks.hpp>
#include <hpx/util/register_locks_globally.hpp>
#include <hpx/util/safe_lexical_cast.hpp>
#include <hpx/version.hpp>
#include <boost/detail/endian.hpp>
#include <boost/spirit/include/qi_parse.hpp>
#include <boost/spirit/include/qi_string.hpp>
#include <boost/spirit/include/qi_numeric.hpp>
#include <boost/spirit/include/qi_alternative.hpp>
#include <boost/spirit/include/qi_sequence.hpp>
#include <boost/tokenizer.hpp>
#include <algorithm>
#include <cstddef>
#include <cstdint>
#include <iterator>
#include <map>
#include <memory>
#include <set>
#include <string>
#include <utility>
#include <vector>
#if defined(HPX_WINDOWS)
# include <process.h>
#elif defined(HPX_HAVE_UNISTD_H)
# include <unistd.h>
#endif
#if (defined(__linux) || defined(linux) || defined(__linux__))
#include <ifaddrs.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/types.h>
#endif
#if !defined(HPX_WINDOWS)
# if defined(HPX_DEBUG)
# define HPX_DLL_STRING "libhpxd" HPX_SHARED_LIB_EXTENSION
# else
# define HPX_DLL_STRING "libhpx" HPX_SHARED_LIB_EXTENSION
# endif
#elif defined(HPX_DEBUG)
# define HPX_DLL_STRING "hpxd" HPX_SHARED_LIB_EXTENSION
#else
# define HPX_DLL_STRING "hpx" HPX_SHARED_LIB_EXTENSION
#endif
#include <limits>
///////////////////////////////////////////////////////////////////////////////
#if defined(__linux) || defined(linux) || defined(__linux__)\
|| defined(__FreeBSD__) || defined(__APPLE__)
namespace hpx { namespace threads { namespace coroutines { namespace detail
{
namespace posix
{
///////////////////////////////////////////////////////////////////////
// this global (urghhh) variable is used to control whether guard pages
// will be used or not
HPX_EXPORT bool use_guard_pages = true;
}
}}}}
#endif
namespace hpx { namespace threads { namespace policies
{
#ifdef HPX_HAVE_THREAD_MINIMAL_DEADLOCK_DETECTION
///////////////////////////////////////////////////////////////////////////
// We globally control whether to do minimal deadlock detection using this
// global bool variable. It will be set once by the runtime configuration
// startup code
bool minimal_deadlock_detection = true;
#endif
}}}
namespace hpx { namespace lcos { namespace local
{
#ifdef HPX_HAVE_SPINLOCK_DEADLOCK_DETECTION
///////////////////////////////////////////////////////////////////////////
// We globally control whether to do minimal deadlock detection in
// spin-locks using this global bool variable. It will be set once by the
// runtime configuration startup code
bool spinlock_break_on_deadlock = false;
std::size_t spinlock_deadlock_detection_limit =
HPX_SPINLOCK_DEADLOCK_DETECTION_LIMIT;
#endif
}}}
///////////////////////////////////////////////////////////////////////////////
namespace hpx { namespace util
{
// pre-initialize entries with compile time based values
void runtime_configuration::pre_initialize_ini()
{
if (!need_to_call_pre_initialize)
return;
std::vector<std::string> lines = {
// create an empty application section
"[application]",
// create system and application instance specific entries
"[system]",
"pid = " + std::to_string(getpid()),
"prefix = " + find_prefix(),
#if defined(__linux) || defined(linux) || defined(__linux__)
"executable_prefix = " + get_executable_prefix(argv0),
#else
"executable_prefix = " + get_executable_prefix(),
#endif
// create default installation location and logging settings
"[hpx]",
"location = ${HPX_LOCATION:$[system.prefix]}",
"component_path = $[hpx.location]"
HPX_INI_PATH_DELIMITER "$[system.executable_prefix]",
"component_path_suffixes = /lib/hpx" HPX_INI_PATH_DELIMITER
"/bin/hpx",
"master_ini_path = $[hpx.location]" HPX_INI_PATH_DELIMITER
"$[system.executable_prefix]/",
"master_ini_path_suffixes = /share/" HPX_BASE_DIR_NAME
HPX_INI_PATH_DELIMITER "/../share/" HPX_BASE_DIR_NAME,
#ifdef HPX_HAVE_ITTNOTIFY
"use_itt_notify = ${HPX_HAVE_ITTNOTIFY:0}",
#endif
"finalize_wait_time = ${HPX_FINALIZE_WAIT_TIME:-1.0}",
"shutdown_timeout = ${HPX_SHUTDOWN_TIMEOUT:-1.0}",
#ifdef HPX_HAVE_VERIFY_LOCKS
#if defined(HPX_DEBUG)
"lock_detection = ${HPX_LOCK_DETECTION:1}",
#else
"lock_detection = ${HPX_LOCK_DETECTION:0}",
#endif
"throw_on_held_lock = ${HPX_THROW_ON_HELD_LOCK:1}",
#endif
#ifdef HPX_HAVE_VERIFY_LOCKS_GLOBALLY
#if defined(HPX_DEBUG)
"global_lock_detection = ${HPX_GLOBAL_LOCK_DETECTION:1}",
#else
"global_lock_detection = ${HPX_GLOBAL_LOCK_DETECTION:0}",
#endif
#endif
#ifdef HPX_HAVE_THREAD_MINIMAL_DEADLOCK_DETECTION
#ifdef HPX_DEBUG
"minimal_deadlock_detection = ${HPX_MINIMAL_DEADLOCK_DETECTION:1}",
#else
"minimal_deadlock_detection = ${HPX_MINIMAL_DEADLOCK_DETECTION:0}",
#endif
#endif
#ifdef HPX_HAVE_SPINLOCK_DEADLOCK_DETECTION
#ifdef HPX_DEBUG
"spinlock_deadlock_detection = ${HPX_SPINLOCK_DEADLOCK_DETECTION:1}",
#else
"spinlock_deadlock_detection = ${HPX_SPINLOCK_DEADLOCK_DETECTION:0}",
#endif
"spinlock_deadlock_detection_limit = "
"${HPX_SPINLOCK_DEADLOCK_DETECTION_LIMIT:1000000}",
#endif
"expect_connecting_localities = ${HPX_EXPECT_CONNECTING_LOCALITIES:0}",
// add placeholders for keys to be added by command line handling
"os_threads = 1",
"cores = all",
"localities = 1",
"first_pu = 0",
"runtime_mode = console",
"scheduler = local-priority-fifo",
"affinity = pu",
"pu_step = 1",
"pu_offset = 0",
"numa_sensitive = 0",
"max_background_threads = "
"${HPX_MAX_BACKGROUND_THREADS:$[hpx.os_threads]}",
"max_idle_loop_count = ${HPX_MAX_IDLE_LOOP_COUNT:"
HPX_PP_STRINGIZE(HPX_PP_EXPAND(HPX_IDLE_LOOP_COUNT_MAX)) "}",
"max_busy_loop_count = ${HPX_MAX_BUSY_LOOP_COUNT:"
HPX_PP_STRINGIZE(HPX_PP_EXPAND(HPX_BUSY_LOOP_COUNT_MAX)) "}",
// arity for collective operations implemented in a tree fashion
"[hpx.lcos.collectives]",
"arity = ${HPX_LCOS_COLLECTIVES_ARITY:32}",
"cut_off = ${HPX_LCOS_COLLECTIVES_CUT_OFF:-1}",
// connect back to the given latch if specified
"[hpx.on_startup]",
"wait_on_latch = ${HPX_ON_STARTUP_WAIT_ON_LATCH}",
#if defined(HPX_HAVE_NETWORKING)
// by default, enable networking
"[hpx.parcel]",
"enable = 1",
#endif
"[hpx.stacks]",
"small_size = ${HPX_SMALL_STACK_SIZE:"
HPX_PP_STRINGIZE(HPX_PP_EXPAND(HPX_SMALL_STACK_SIZE)) "}",
"medium_size = ${HPX_MEDIUM_STACK_SIZE:"
HPX_PP_STRINGIZE(HPX_PP_EXPAND(HPX_MEDIUM_STACK_SIZE)) "}",
"large_size = ${HPX_LARGE_STACK_SIZE:"
HPX_PP_STRINGIZE(HPX_PP_EXPAND(HPX_LARGE_STACK_SIZE)) "}",
"huge_size = ${HPX_HUGE_STACK_SIZE:"
HPX_PP_STRINGIZE(HPX_PP_EXPAND(HPX_HUGE_STACK_SIZE)) "}",
#if defined(__linux) || defined(linux) || defined(__linux__) || defined(__FreeBSD__)
"use_guard_pages = ${HPX_USE_GUARD_PAGES:1}",
#endif
"[hpx.threadpools]",
"io_pool_size = ${HPX_NUM_IO_POOL_SIZE:"
HPX_PP_STRINGIZE(HPX_PP_EXPAND(HPX_NUM_IO_POOL_SIZE)) "}",
"parcel_pool_size = ${HPX_NUM_PARCEL_POOL_SIZE:"
HPX_PP_STRINGIZE(HPX_PP_EXPAND(HPX_NUM_PARCEL_POOL_SIZE)) "}",
"timer_pool_size = ${HPX_NUM_TIMER_POOL_SIZE:"
HPX_PP_STRINGIZE(HPX_PP_EXPAND(HPX_NUM_TIMER_POOL_SIZE)) "}",
"[hpx.thread_queue]",
"min_tasks_to_steal_pending = "
"${HPX_THREAD_QUEUE_MIN_TASKS_TO_STEAL_PENDING:0}",
"min_tasks_to_steal_staged = "
"${HPX_THREAD_QUEUE_MIN_TASKS_TO_STEAL_STAGED:10}",
"min_add_new_count = ${HPX_THREAD_QUEUE_MIN_ADD_NEW_COUNT:10}",
"max_add_new_count = ${HPX_THREAD_QUEUE_MAX_ADD_NEW_COUNT:10}",
"max_delete_count = ${HPX_THREAD_QUEUE_MAX_DELETE_COUNT:1000}",
"max_terminated_threads = ${HPX_THREAD_QUEUE_MAX_TERMINATED_THREADS:"
HPX_PP_STRINGIZE(HPX_PP_EXPAND(HPX_SCHEDULER_MAX_TERMINATED_THREADS)) "}",
"[hpx.commandline]",
// enable aliasing
"aliasing = ${HPX_COMMANDLINE_ALIASING:1}",
// allow for unknown options to be passed through
"allow_unknown = ${HPX_COMMANDLINE_ALLOW_UNKNOWN:0}",
// predefine command line aliases
"[hpx.commandline.aliases]",
"-a = --hpx:agas",
"-c = --hpx:console",
"-h = --hpx:help",
"-I = --hpx:ini",
"-l = --hpx:localities",
"-p = --hpx:app-config",
"-q = --hpx:queuing",
"-r = --hpx:run-agas-server",
"-t = --hpx:threads",
"-v = --hpx:version",
"-w = --hpx:worker",
"-x = --hpx:hpx",
"-0 = --hpx:node=0",
"-1 = --hpx:node=1",
"-2 = --hpx:node=2",
"-3 = --hpx:node=3",
"-4 = --hpx:node=4",
"-5 = --hpx:node=5",
"-6 = --hpx:node=6",
"-7 = --hpx:node=7",
"-8 = --hpx:node=8",
"-9 = --hpx:node=9",
"[hpx.agas]",
// 'address' has deliberately no default, see
// command_line_handling.cpp
"address = ${HPX_AGAS_SERVER_ADDRESS}",
"port = ${HPX_AGAS_SERVER_PORT:"
HPX_PP_STRINGIZE(HPX_PP_EXPAND(HPX_INITIAL_IP_PORT)) "}",
"max_pending_refcnt_requests = "
"${HPX_AGAS_MAX_PENDING_REFCNT_REQUESTS:"
HPX_PP_STRINGIZE(HPX_PP_EXPAND(
HPX_INITIAL_AGAS_MAX_PENDING_REFCNT_REQUESTS))
"}",
"service_mode = hosted",
"local_cache_size = ${HPX_AGAS_LOCAL_CACHE_SIZE:"
HPX_PP_STRINGIZE(HPX_PP_EXPAND(HPX_AGAS_LOCAL_CACHE_SIZE)) "}",
"use_range_caching = ${HPX_AGAS_USE_RANGE_CACHING:1}",
"use_caching = ${HPX_AGAS_USE_CACHING:1}",
"[hpx.components]",
"load_external = ${HPX_LOAD_EXTERNAL_COMPONENTS:1}",
"[hpx.components.barrier]",
"name = hpx",
"path = $[hpx.location]/bin/" HPX_DLL_STRING,
"enabled = 1",
"[hpx.components.hpx_lcos_server_latch]",
"name = hpx",
"path = $[hpx.location]/bin/" HPX_DLL_STRING,
"enabled = 1",
"[hpx.components.raw_counter]",
"name = hpx",
"path = $[hpx.location]/bin/" HPX_DLL_STRING,
"enabled = 1",
"[hpx.components.average_count_counter]",
"name = hpx",
"path = $[hpx.location]/bin/" HPX_DLL_STRING,
"enabled = 1",
"[hpx.components.elapsed_time_counter]",
"name = hpx",
"path = $[hpx.location]/bin/" HPX_DLL_STRING,
"enabled = 1"
};
std::vector<std::string> lines_pp =
hpx::parcelset::parcelhandler::load_runtime_configuration();
lines.insert(lines.end(), lines_pp.begin(), lines_pp.end());
// don't overload user overrides
this->parse("<static defaults>", lines, false, false);
need_to_call_pre_initialize = false;
}
void runtime_configuration::post_initialize_ini(
std::string& hpx_ini_file_,
std::vector<std::string> const& cmdline_ini_defs_)
{
// add explicit configuration information if its provided
if (!hpx_ini_file_.empty()) {
util::init_ini_data_base(*this, hpx_ini_file_);
need_to_call_pre_initialize = true;
}
// let the command line override the config file.
if (!cmdline_ini_defs_.empty()) {
// do not weed out comments
this->parse("<command line definitions>", cmdline_ini_defs_,
true, false);
need_to_call_pre_initialize = true;
}
}
///////////////////////////////////////////////////////////////////////////
// load information about statically known components
void runtime_configuration::load_components_static(std::vector<
components::static_factory_load_data_type> const& static_modules)
{
for (components::static_factory_load_data_type const& d : static_modules)
{
util::load_component_factory_static(*this, d.name, d.get_factory);
}
// read system and user ini files _again_, to allow the user to
// overwrite the settings from the default component ini's.
util::init_ini_data_base(*this, hpx_ini_file);
// let the command line override the config file.
if (!cmdline_ini_defs.empty())
parse("<command line definitions>", cmdline_ini_defs, true, false);
// merge all found ini files of all components
util::merge_component_inis(*this);
need_to_call_pre_initialize = true;
// invoke last reconfigure
reconfigure();
}
// load information about dynamically discovered plugins
std::vector<std::shared_ptr<plugins::plugin_registry_base> >
runtime_configuration::load_modules()
{
typedef std::vector<std::shared_ptr<plugins::plugin_registry_base> >
plugin_list_type;
namespace fs = boost::filesystem;
// try to build default ini structure from shared libraries in default
// installation location, this allows to install simple components
// without the need to install an ini file
// split of the separate paths from the given path list
typedef boost::tokenizer<boost::char_separator<char> > tokenizer_type;
std::string component_path(
get_entry("hpx.component_path", HPX_DEFAULT_COMPONENT_PATH));
std::string component_path_suffixes(
get_entry("hpx.component_path_suffixes", "/lib/hpx"));
// protect against duplicate paths
std::set<std::string> component_paths;
// list of base names avoiding to load a module more than once
std::map<std::string, fs::path> basenames;
boost::char_separator<char> sep (HPX_INI_PATH_DELIMITER);
tokenizer_type tok_path(component_path, sep);
tokenizer_type tok_suffixes(component_path_suffixes, sep);
tokenizer_type::iterator end_path = tok_path.end();
tokenizer_type::iterator end_suffixes = tok_suffixes.end();
plugin_list_type plugin_registries;
for (tokenizer_type::iterator it = tok_path.begin(); it != end_path; ++it)
{
std::string p = *it;
for(tokenizer_type::iterator jt = tok_suffixes.begin();
jt != end_suffixes; ++jt)
{
std::string path(p);
path += *jt;
if (!path.empty()) {
fs::path this_p(path);
boost::system::error_code fsec;
fs::path canonical_p = util::canonical_path(this_p, fsec);
if (fsec)
canonical_p = this_p;
std::pair<std::set<std::string>::iterator, bool> p =
component_paths.insert(
util::native_file_string(canonical_p));
if (p.second) {
// have all path elements, now find ini files in there...
fs::path this_path (hpx::util::create_path(*p.first));
if (fs::exists(this_path, fsec) && !fsec) {
plugin_list_type tmp_regs =
util::init_ini_data_default(
this_path.string(), *this, basenames, modules_);
std::copy(tmp_regs.begin(), tmp_regs.end(),
std::back_inserter(plugin_registries));
}
}
}
}
}
// read system and user ini files _again_, to allow the user to
// overwrite the settings from the default component ini's.
util::init_ini_data_base(*this, hpx_ini_file);
// let the command line override the config file.
if (!cmdline_ini_defs.empty())
parse("<command line definitions>", cmdline_ini_defs, true, false);
// merge all found ini files of all components
util::merge_component_inis(*this);
need_to_call_pre_initialize = true;
// invoke reconfigure
reconfigure();
return plugin_registries;
}
///////////////////////////////////////////////////////////////////////////
runtime_configuration::runtime_configuration(char const* argv0_)
: num_localities(0),
small_stacksize(HPX_SMALL_STACK_SIZE),
medium_stacksize(HPX_MEDIUM_STACK_SIZE),
large_stacksize(HPX_LARGE_STACK_SIZE),
huge_stacksize(HPX_HUGE_STACK_SIZE),
need_to_call_pre_initialize(true)
#if defined(__linux) || defined(linux) || defined(__linux__)
, argv0(argv0_)
#endif
{
pre_initialize_ini();
// set global config options
#if HPX_HAVE_ITTNOTIFY != 0
use_ittnotify_api = get_itt_notify_mode();
#endif
HPX_ASSERT(init_small_stack_size() >= HPX_SMALL_STACK_SIZE);
small_stacksize = init_small_stack_size();
medium_stacksize = init_medium_stack_size();
large_stacksize = init_large_stack_size();
HPX_ASSERT(init_huge_stack_size() <= HPX_HUGE_STACK_SIZE);
huge_stacksize = init_huge_stack_size();
#if defined(__linux) || defined(linux) || defined(__linux__) || defined(__FreeBSD__)
threads::coroutines::detail::posix::use_guard_pages =
init_use_stack_guard_pages();
#endif
#ifdef HPX_HAVE_VERIFY_LOCKS
if (enable_lock_detection())
util::enable_lock_detection();
#endif
#ifdef HPX_HAVE_VERIFY_LOCKS_GLOBALLY
if (enable_global_lock_detection())
util::enable_global_lock_detection();
#endif
#ifdef HPX_HAVE_THREAD_MINIMAL_DEADLOCK_DETECTION
threads::policies::minimal_deadlock_detection =
enable_minimal_deadlock_detection();
#endif
#ifdef HPX_HAVE_SPINLOCK_DEADLOCK_DETECTION
lcos::local::spinlock_break_on_deadlock =
enable_spinlock_deadlock_detection();
lcos::local::spinlock_deadlock_detection_limit =
get_spinlock_deadlock_detection_limit();
#endif
}
///////////////////////////////////////////////////////////////////////////
void runtime_configuration::reconfigure(
std::string const& hpx_ini_file_)
{
hpx_ini_file = hpx_ini_file_;
reconfigure();
}
void runtime_configuration::reconfigure(
std::vector<std::string> const& cmdline_ini_defs_)
{
cmdline_ini_defs = cmdline_ini_defs_;
reconfigure();
}
void runtime_configuration::reconfigure()
{
pre_initialize_ini();
std::vector<std::string> const& prefill =
util::detail::get_logging_data();
if (!prefill.empty())
this->parse("<static prefill defaults>", prefill, false, false);
post_initialize_ini(hpx_ini_file, cmdline_ini_defs);
// set global config options
#if HPX_HAVE_ITTNOTIFY != 0
use_ittnotify_api = get_itt_notify_mode();
#endif
HPX_ASSERT(init_small_stack_size() >= HPX_SMALL_STACK_SIZE);
small_stacksize = init_small_stack_size();
medium_stacksize = init_medium_stack_size();
large_stacksize = init_large_stack_size();
huge_stacksize = init_huge_stack_size();
#if defined(__linux) || defined(linux) || defined(__linux__) || defined(__FreeBSD__)
threads::coroutines::detail::posix::use_guard_pages =
init_use_stack_guard_pages();
#endif
#ifdef HPX_HAVE_VERIFY_LOCKS
if (enable_lock_detection())
util::enable_lock_detection();
#endif
#ifdef HPX_HAVE_VERIFY_LOCKS_GLOBALLY
if (enable_global_lock_detection())
util::enable_global_lock_detection();
#endif
#ifdef HPX_HAVE_THREAD_MINIMAL_DEADLOCK_DETECTION
threads::policies::minimal_deadlock_detection =
enable_minimal_deadlock_detection();
#endif
#ifdef HPX_HAVE_SPINLOCK_DEADLOCK_DETECTION
lcos::local::spinlock_break_on_deadlock =
enable_spinlock_deadlock_detection();
lcos::local::spinlock_deadlock_detection_limit =
get_spinlock_deadlock_detection_limit();
#endif
}
std::size_t runtime_configuration::get_ipc_data_buffer_cache_size() const
{
if (has_section("hpx.parcel"))
{
util::section const * sec = get_section("hpx.parcel.ipc");
if(nullptr != sec)
{
return hpx::util::get_entry_as<std::size_t>(
*sec, "data_buffer_cache_size",
HPX_PARCEL_IPC_DATA_BUFFER_CACHE_SIZE);
}
}
return HPX_PARCEL_IPC_DATA_BUFFER_CACHE_SIZE;
}
agas::service_mode runtime_configuration::get_agas_service_mode() const
{
// load all components as described in the configuration information
if (has_section("hpx.agas"))
{
util::section const* sec = get_section("hpx.agas");
if (nullptr != sec)
{
std::string const m = sec->get_entry("service_mode", "hosted");
if (m == "hosted")
return agas::service_mode_hosted;
else if (m == "bootstrap")
return agas::service_mode_bootstrap;
else {
// REVIEW: exception type is overused
HPX_THROW_EXCEPTION(bad_parameter,
"runtime_configuration::get_agas_service_mode",
std::string("invalid AGAS router mode \"") + m + "\"");
}
}
}
return agas::service_mode_hosted;
}
std::uint32_t runtime_configuration::get_num_localities() const
{
if (num_localities == 0) {
if (has_section("hpx")) {
util::section const* sec = get_section("hpx");
if (nullptr != sec) {
num_localities = hpx::util::get_entry_as<std::uint32_t>(
*sec, "localities", 1);
}
}
}
HPX_ASSERT(num_localities != 0);
return num_localities;
}
void runtime_configuration::set_num_localities(std::uint32_t num_localities_)
{
// this function should not be called on the AGAS server
HPX_ASSERT(agas::service_mode_bootstrap != get_agas_service_mode());
num_localities = num_localities_;
if (has_section("hpx")) {
util::section* sec = get_section("hpx");
if (nullptr != sec) {
sec->add_entry("localities",
std::to_string(num_localities));
}
}
}
std::uint32_t runtime_configuration::get_first_used_core() const
{
if (has_section("hpx")) {
util::section const* sec = get_section("hpx");
if (nullptr != sec) {
return hpx::util::get_entry_as<std::uint32_t>(
*sec, "first_used_core", 0);
}
}
return 0;
}
void runtime_configuration::set_first_used_core(
std::uint32_t first_used_core)
{
if (has_section("hpx")) {
util::section* sec = get_section("hpx");
if (nullptr != sec) {
sec->add_entry("first_used_core",
std::to_string(first_used_core));
}
}
}
std::size_t runtime_configuration::get_agas_local_cache_size(std::size_t dflt) const
{
std::size_t cache_size = dflt;
if (has_section("hpx.agas")) {
util::section const* sec = get_section("hpx.agas");
if (nullptr != sec) {
cache_size = hpx::util::get_entry_as<std::size_t>(
*sec, "local_cache_size", cache_size);
}
}
if (cache_size != std::size_t(~0x0ul) && cache_size < 16ul)
cache_size = 16; // limit lower bound
return cache_size;
}
bool runtime_configuration::get_agas_caching_mode() const
{
if (has_section("hpx.agas")) {
util::section const* sec = get_section("hpx.agas");
if (nullptr != sec) {
return hpx::util::get_entry_as<int>(
*sec, "use_caching", "1") != 0;
}
}
return false;
}
bool runtime_configuration::get_agas_range_caching_mode() const
{
if (has_section("hpx.agas")) {
util::section const* sec = get_section("hpx.agas");
if (nullptr != sec) {
return hpx::util::get_entry_as<int>(
*sec, "use_range_caching", "1") != 0;
}
}
return false;
}
std::size_t
runtime_configuration::get_agas_max_pending_refcnt_requests() const
{
if (has_section("hpx.agas")) {
util::section const* sec = get_section("hpx.agas");
if (nullptr != sec) {
return hpx::util::get_entry_as<std::size_t>(
*sec, "max_pending_refcnt_requests",
HPX_INITIAL_AGAS_MAX_PENDING_REFCNT_REQUESTS);
}
}
return HPX_INITIAL_AGAS_MAX_PENDING_REFCNT_REQUESTS;
}
bool runtime_configuration::get_itt_notify_mode() const
{
#if HPX_HAVE_ITTNOTIFY != 0
if (has_section("hpx")) {
util::section const* sec = get_section("hpx");
if (nullptr != sec) {
return hpx::util::get_entry_as<int>(
*sec, "use_itt_notify", "0") != 0;
}
}
#endif
return false;
}
// Enable lock detection during suspension
bool runtime_configuration::enable_lock_detection() const
{
#ifdef HPX_HAVE_VERIFY_LOCKS
if (has_section("hpx")) {
util::section const* sec = get_section("hpx");
if (nullptr != sec) {
return hpx::util::get_entry_as<int>(
*sec, "lock_detection", "0") != 0;
}
}
#endif
return false;
}
// Enable global lock tracking
bool runtime_configuration::enable_global_lock_detection() const
{
#ifdef HPX_HAVE_VERIFY_LOCKS_GLOBALLY
if (has_section("hpx")) {
util::section const* sec = get_section("hpx");
if (nullptr != sec) {
return hpx::util::get_entry_as<int>(
*sec, "global_lock_detection", "0") != 0;
}
}
#endif
return false;
}
// Enable minimal deadlock detection for HPX threads
bool runtime_configuration::enable_minimal_deadlock_detection() const
{
#ifdef HPX_HAVE_THREAD_MINIMAL_DEADLOCK_DETECTION
if (has_section("hpx")) {
util::section const* sec = get_section("hpx");
if (nullptr != sec) {
#ifdef HPX_DEBUG
return hpx::util::get_entry_as<int>(
*sec, "minimal_deadlock_detection", "1") != 0;
#else
return hpx::util::get_entry_as<int>(
*sec, "minimal_deadlock_detection", "0") != 0;
#endif
}
}
#ifdef HPX_DEBUG
return true;
#else
return false;
#endif
#else
return false;
#endif
}
///////////////////////////////////////////////////////////////////////////
bool runtime_configuration::enable_spinlock_deadlock_detection() const
{
#ifdef HPX_HAVE_SPINLOCK_DEADLOCK_DETECTION
if (has_section("hpx")) {
util::section const* sec = get_section("hpx");
if (nullptr != sec) {
#ifdef HPX_DEBUG
return hpx::util::get_entry_as<int>(
*sec, "spinlock_deadlock_detection", "1") != 0;
#else
return hpx::util::get_entry_as<int>(
*sec, "spinlock_deadlock_detection", "0") != 0;
#endif
}
}
#ifdef HPX_DEBUG
return true;
#else
return false;
#endif
#else
return false;
#endif
}
///////////////////////////////////////////////////////////////////////////
std::size_t runtime_configuration::get_spinlock_deadlock_detection_limit() const
{
#ifdef HPX_HAVE_SPINLOCK_DEADLOCK_DETECTION
if (has_section("hpx")) {
util::section const* sec = get_section("hpx");
if (nullptr != sec) {
return hpx::util::get_entry_as<std::size_t>(
*sec, "spinlock_deadlock_detection_limit", "1000000");
}
}
return HPX_SPINLOCK_DEADLOCK_DETECTION_LIMIT;
#else
return std::size_t(-1);
#endif
}
std::size_t runtime_configuration::get_os_thread_count() const
{
if (has_section("hpx")) {
util::section const* sec = get_section("hpx");
if (nullptr != sec) {
return hpx::util::get_entry_as<std::size_t>(
*sec, "os_threads", 1);
}
}
return 1;
}
std::string runtime_configuration::get_cmd_line() const
{
if (has_section("hpx")) {
util::section const* sec = get_section("hpx");
if (nullptr != sec) {
return sec->get_entry("cmd_line", "");
}
}
return "";
}
// Return the configured sizes of any of the know thread pools
std::size_t runtime_configuration::get_thread_pool_size(char const* poolname) const
{
if (has_section("hpx.threadpools")) {
util::section const* sec = get_section("hpx.threadpools");
if (nullptr != sec) {
return hpx::util::get_entry_as<std::size_t>(
*sec, std::string(poolname) + "_size", "2");
}
}
return 2; // the default size for all pools is 2
}
// Return the endianess to be used for out-serialization
std::string runtime_configuration::get_endian_out() const
{
if (has_section("hpx.parcel")) {
util::section const* sec = get_section("hpx.parcel");
if (nullptr != sec) {
#ifdef BOOST_BIG_ENDIAN
return sec->get_entry("endian_out", "big");
#else
return sec->get_entry("endian_out", "little");
#endif
}
}
#ifdef BOOST_BIG_ENDIAN
return "big";
#else
return "little";
#endif
}
// Will return the stack size to use for all HPX-threads.
std::ptrdiff_t runtime_configuration::init_stack_size(
char const* entryname, char const* defaultvaluestr,
std::ptrdiff_t defaultvalue) const
{
if (has_section("hpx")) {
util::section const* sec = get_section("hpx.stacks");
if (nullptr != sec) {
std::string entry = sec->get_entry(entryname, defaultvaluestr);
std::ptrdiff_t val = defaultvalue;
namespace qi = boost::spirit::qi;
qi::parse(entry.begin(), entry.end(),
"0x" >> qi::hex | "0" >> qi::oct | qi::int_, val);
return val;
}
}
return defaultvalue;
}
#if defined(__linux) || defined(linux) || defined(__linux__) || defined(__FreeBSD__)
bool runtime_configuration::init_use_stack_guard_pages() const
{
if (has_section("hpx")) {
util::section const* sec = get_section("hpx.stacks");
if (nullptr != sec) {
return hpx::util::get_entry_as<int>(
*sec, "use_guard_pages", "1") != 0;
}
}
return true; // default is true
}
#endif
std::ptrdiff_t runtime_configuration::init_small_stack_size() const
{
return init_stack_size("small_size",
HPX_PP_STRINGIZE(HPX_SMALL_STACK_SIZE), HPX_SMALL_STACK_SIZE);
}
std::ptrdiff_t runtime_configuration::init_medium_stack_size() const
{
return init_stack_size("medium_size",
HPX_PP_STRINGIZE(HPX_MEDIUM_STACK_SIZE), HPX_MEDIUM_STACK_SIZE);
}
std::ptrdiff_t runtime_configuration::init_large_stack_size() const
{
return init_stack_size("large_size",
HPX_PP_STRINGIZE(HPX_LARGE_STACK_SIZE), HPX_LARGE_STACK_SIZE);
}
std::ptrdiff_t runtime_configuration::init_huge_stack_size() const
{
return init_stack_size("huge_size",
HPX_PP_STRINGIZE(HPX_HUGE_STACK_SIZE), HPX_HUGE_STACK_SIZE);
}
///////////////////////////////////////////////////////////////////////////
// Return maximally allowed message size
std::uint64_t runtime_configuration::get_max_inbound_message_size() const
{
if (has_section("hpx")) {
util::section const* sec = get_section("hpx.parcel");
if (nullptr != sec) {
std::uint64_t maxsize =
hpx::util::get_entry_as<std::uint64_t>(
*sec, "max_message_size", HPX_PARCEL_MAX_MESSAGE_SIZE);
if (maxsize > 0)
return maxsize;
}
}
return HPX_PARCEL_MAX_MESSAGE_SIZE; // default is 1GByte
}
std::uint64_t runtime_configuration::get_max_outbound_message_size() const
{
if (has_section("hpx")) {
util::section const* sec = get_section("hpx.parcel");
if (nullptr != sec) {
std::uint64_t maxsize =
hpx::util::get_entry_as<std::uint64_t>(
*sec, "max_outbound_message_size",
HPX_PARCEL_MAX_OUTBOUND_MESSAGE_SIZE);
if (maxsize > 0)
return maxsize;
}
}
return HPX_PARCEL_MAX_OUTBOUND_MESSAGE_SIZE; // default is 1GByte
}
///////////////////////////////////////////////////////////////////////////
bool runtime_configuration::load_application_configuration(
char const* filename, error_code& ec)
{
try {
section appcfg(filename);
section applroot;