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feat(profiling/system_info): add smaps parser part 2 #71

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Merged
resserops merged 1 commit into from
May 22, 2026
Merged

feat(profiling/system_info): add smaps parser part 2 #71

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129 changes: 114 additions & 15 deletions module/profiling/include/oops/system_info.h
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Original file line number Diff line number Diff line change
Expand Up @@ -17,15 +17,15 @@ namespace proc {
namespace status {
// clang-format off
enum class Field : uint8_t {
VM_PEAK, VM_SIZE, VM_LCK, VM_PIN, VM_HWM, VM_RSS, RSS_ANON, RSS_FILE, RSS_SHMEM, VM_DATA,
VM_PEAK, VM_SIZE, VM_LCK, VM_PIN, VM_HWM, VM_RSS, RSS_ANON, RSS_FILE, RSS_SHMEM, VM_DATA,
VM_STK, VM_EXE, VM_LIB, VM_PTE, VM_SWAP, COUNT
};
// clang-format on
using FieldMask = EnumBitset<Field>;
using oops::operator|; // 支持Field和FieldMask或运算ADL

struct Info {
std::size_t vm_peak{}; // 当前只解析内存部分
struct Info { // 仅支持部分字段
std::size_t vm_peak{};
std::size_t vm_size{};
std::size_t vm_lck{};
std::size_t vm_pin{};
Expand All @@ -40,14 +40,15 @@ struct Info {
std::size_t vm_lib{};
std::size_t vm_pte{};
std::size_t vm_swap{};

FieldMask parsed;
};

[[nodiscard]] Info Get();
[[nodiscard]] Info Get(pid_t pid);
[[nodiscard]] Info Get(const FieldMask &field_mask);
[[nodiscard]] Info Get(pid_t pid, const FieldMask &field_mask);
std::ostream &operator<<(std::ostream &out, const Info &info);
std::ostream &operator<<(std::ostream &os, const Info &info);
} // namespace status
namespace maps {
// vma数据结构，maps, smaps, smaps_rollup共用
Expand All @@ -56,12 +57,12 @@ struct Vma {
std::uint32_t MajorDev() const;
std::uint32_t MinorDev() const;

struct {
struct Address {
std::uintptr_t start{};
std::uintptr_t end{};
} address{};

struct {
struct Perms {
bool r : 1;
bool w : 1;
bool x : 1;
Expand All @@ -80,15 +81,113 @@ struct Info {

[[nodiscard]] Info Get();
[[nodiscard]] Info Get(pid_t pid);
std::ostream &operator<<(std::ostream &out, const Info &info);
std::ostream &operator<<(std::ostream &os, const Info &info);
} // namespace maps
namespace smaps {
// clang-format off
enum class Field : uint8_t {
VMA, SIZE, KERNEL_PAGE_SIZE, MMU_PAGE_SIZE, RSS, PSS,
PSS_DIRTY, SHARED_CLEAN, SHARED_DIRTY, PRIVATE_CLEAN, PRIVATE_DIRTY, REFERENCED,
ANONYMOUS, KSM, LAZY_FREE, ANON_HUGE_PAGES, SHMEM_PMD_MAPPED, FILE_PMD_MAPPED,
SHARED_HUGETLB, PRIVATE_HUGETLB, SWAP, SWAP_PSS, LOCKED, THP_ELIGIBLE,
VM_FLAGS, COUNT
};
// clang-format on
using FieldMask = EnumBitset<Field>;
using oops::operator|;

using Vma = maps::Vma;
struct VmaExt {
Vma vma;
// 核心内存统计
KiBs<std::size_t> size{};
KiBs<std::size_t> kernel_page_size{};
KiBs<std::size_t> mmu_page_size{};
KiBs<std::size_t> rss{};
KiBs<std::size_t> pss{};
KiBs<std::size_t> pss_dirty{};

// 页面共享状态统计
KiBs<std::size_t> shared_clean{};
KiBs<std::size_t> shared_dirty{};
KiBs<std::size_t> private_clean{};
KiBs<std::size_t> private_dirty{};

// 引用与内核统计
KiBs<std::size_t> referenced{};
KiBs<std::size_t> anonymous{};
KiBs<std::size_t> ksm{};
KiBs<std::size_t> lazy_free{};

// 大页统计
KiBs<std::size_t> anon_huge_pages{};
KiBs<std::size_t> shmem_pmd_mapped{};
KiBs<std::size_t> file_pmd_mapped{};
KiBs<std::size_t> shared_hugetlb{};
KiBs<std::size_t> private_hugetlb{};

// 交换区与锁定统计
KiBs<std::size_t> swap{};
KiBs<std::size_t> swap_pss{};
KiBs<std::size_t> locked{};

// 标志统计
bool thp_eligible{};
struct VmFlags {
bool rd : 1;
bool wr : 1;
bool ex : 1;
bool sh : 1;
bool mr : 1;
bool mw : 1;
bool me : 1;
bool ms : 1;
bool gd : 1;
bool pf : 1;
bool dw : 1;
bool lo : 1;
bool io : 1;
bool sr : 1;
bool rr : 1;
bool dc : 1;
bool de : 1;
bool ac : 1;
bool nr : 1;
bool ht : 1;
bool sf : 1;
bool nl : 1;
bool ar : 1;
bool wf : 1;
bool dd : 1;
bool sd : 1;
bool mm : 1;
bool hg : 1;
bool nh : 1;
bool mg : 1;
bool um : 1;
bool uw : 1;
} vm_flags{};

FieldMask parsed;
};

struct Info {
std::vector<VmaExt> vma_table;
};

[[nodiscard]] Info Get();
[[nodiscard]] Info Get(pid_t pid);
[[nodiscard]] Info Get(const FieldMask &field_mask);
[[nodiscard]] Info Get(pid_t pid, const FieldMask &field_mask);
std::ostream &operator<<(std::ostream &os, const Info &info);
} // namespace smaps
namespace smaps_rollup {
// Since Linux
// clang-format off
enum class Field : uint8_t {
VMA, RSS, PSS, PSS_DIRTY, PSS_ANON, PSS_FILE,
PSS_SHMEM, SHARED_CLEAN, SHARED_DIRTY, PRIVATE_CLEAN, PRIVATE_DIRTY, REFERENCED,
ANONYMOUS, KSM, LAZY_FREE, ANON_HUGE_PAGES, SHMEM_PMD_MAPPED, FILE_PMD_MAPPED,
VMA, RSS, PSS, PSS_DIRTY, PSS_ANON, PSS_FILE,
PSS_SHMEM, SHARED_CLEAN, SHARED_DIRTY, PRIVATE_CLEAN, PRIVATE_DIRTY, REFERENCED,
ANONYMOUS, KSM, LAZY_FREE, ANON_HUGE_PAGES, SHMEM_PMD_MAPPED, FILE_PMD_MAPPED,
SHARED_HUGETLB, PRIVATE_HUGETLB, SWAP, SWAP_PSS, LOCKED, COUNT
};
// clang-format on
Expand Down Expand Up @@ -137,7 +236,7 @@ struct Info {
[[nodiscard]] Info Get(pid_t pid);
[[nodiscard]] Info Get(const FieldMask &field_mask);
[[nodiscard]] Info Get(pid_t pid, const FieldMask &field_mask);
std::ostream &operator<<(std::ostream &out, const Info &info);
std::ostream &operator<<(std::ostream &os, const Info &info);
} // namespace smaps_rollup
namespace numa_maps {
// Since Linux 2.6.14
Expand Down Expand Up @@ -169,14 +268,14 @@ struct Info {
namespace lscpu {
// clang-format off
enum class Field {
ARCHITECTURE, CPUS, THREADS_PER_CORE, CORES_PER_SOCKET, SOCKETS, NUMA_NODES,
ARCHITECTURE, CPUS, THREADS_PER_CORE, CORES_PER_SOCKET, SOCKETS, NUMA_NODES,
MODEL_NAME, CPU_MHZ, COUNT
};
// clang-format on
using FieldMask = EnumBitset<Field>;
using oops::operator|; // 支持Field和FieldMask或运算ADL
using oops::operator|;

struct Info {
struct Info { // 仅支持部分字段
std::string architecture{};
std::size_t cpus{};
std::size_t threads_per_core{};
Expand All @@ -190,6 +289,6 @@ struct Info {

[[nodiscard]] Info Get();
[[nodiscard]] Info Get(const FieldMask &field_mask);
::std::ostream &operator<<(::std::ostream &out, const Info &info);
::std::ostream &operator<<(::std::ostream &os, const Info &info);
} // namespace lscpu
} // namespace oops
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