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Shmem region: support huge pages via path to hugetlbfs mount

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This commit is contained in:
Alexey Rybalchenko
2019-07-03 14:54:54 +02:00
committed by Dennis Klein
parent a8c76accdc
commit 0e35f1cb22
29 changed files with 466 additions and 537 deletions
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35
fairmq/shmem/Common.h
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@@ -10,8 +10,13 @@
#include <atomic>
#include <string>
#include <unordered_map>
#include <boost/interprocess/managed_shared_memory.hpp>
#include <boost/interprocess/allocators/allocator.hpp>
#include <boost/interprocess/containers/map.hpp>
#include <boost/interprocess/containers/string.hpp>
#include <boost/interprocess/containers/vector.hpp>
#include <boost/functional/hash.hpp>
#include <unistd.h>
@@ -24,6 +29,32 @@ namespace mq
namespace shmem
{
using SegmentManager = boost::interprocess::managed_shared_memory::segment_manager;
using VoidAlloc = boost::interprocess::allocator<void, SegmentManager>;
using CharAlloc = boost::interprocess::allocator<char, SegmentManager>;
using Str = boost::interprocess::basic_string<char, std::char_traits<char>, CharAlloc>;
using StrAlloc = boost::interprocess::allocator<Str, SegmentManager>;
using StrVector = boost::interprocess::vector<Str, StrAlloc>;
struct RegionInfo
{
RegionInfo(const VoidAlloc& alloc)
: fPath("", alloc)
, fFlags(0)
{}
RegionInfo(const char* path, int flags, const VoidAlloc& alloc)
: fPath(path, alloc)
, fFlags(flags)
{}
Str fPath;
int fFlags;
};
using Uint64RegionInfoPairAlloc = boost::interprocess::allocator<std::pair<const uint64_t, RegionInfo>, SegmentManager>;
using Uint64RegionInfoMap = boost::interprocess::map<uint64_t, RegionInfo, std::less<uint64_t>, Uint64RegionInfoPairAlloc>;
struct DeviceCounter
{
DeviceCounter(unsigned int c)
@@ -35,11 +66,11 @@ struct DeviceCounter
struct RegionCounter
{
RegionCounter(unsigned int c)
RegionCounter(uint64_t c)
: fCount(c)
{}
std::atomic<unsigned int> fCount;
std::atomic<uint64_t> fCount;
};
struct MonitorStatus