linux-perf-data 0.1.0

A parser for the perf.data format. This format is emitted by the Linux perf tool.
Documentation 
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pub const HEADER_TRACING_DATA: u32 = 1;
pub const HEADER_BUILD_ID: u32 = 2;
pub const HEADER_HOSTNAME: u32 = 3;
pub const HEADER_OSRELEASE: u32 = 4;
pub const HEADER_VERSION: u32 = 5;
pub const HEADER_ARCH: u32 = 6;
pub const HEADER_NRCPUS: u32 = 7;
pub const HEADER_CPUDESC: u32 = 8;
pub const HEADER_CPUID: u32 = 9;
pub const HEADER_TOTAL_MEM: u32 = 10;
pub const HEADER_CMDLINE: u32 = 11;
pub const HEADER_EVENT_DESC: u32 = 12;
pub const HEADER_CPU_TOPOLOGY: u32 = 13;
pub const HEADER_NUMA_TOPOLOGY: u32 = 14;
pub const HEADER_BRANCH_STACK: u32 = 15;
pub const HEADER_PMU_MAPPINGS: u32 = 16;
pub const HEADER_GROUP_DESC: u32 = 17;
pub const HEADER_AUXTRACE: u32 = 18;
pub const HEADER_STAT: u32 = 19;
pub const HEADER_CACHE: u32 = 20;
pub const HEADER_SAMPLE_TIME: u32 = 21;
pub const HEADER_SAMPLE_TOPOLOGY: u32 = 22;
pub const HEADER_CLOCKID: u32 = 23;
pub const HEADER_DIR_FORMAT: u32 = 24;
pub const HEADER_CPU_PMU_CAPS: u32 = 28;
pub const HEADER_CLOCK_DATA: u32 = 29;
pub const HEADER_HYBRID_TOPOLOGY: u32 = 30;
pub const HEADER_HYBRID_CPU_PMU_CAPS: u32 = 31;

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum FlagFeature {
    TracingData,
    BuildId,
    Hostname,
    OsRelease,
    Version,
    Arch,
    NrCpus,
    CpuDesc,
    CpuId,
    TotalMem,
    Cmdline,
    EventDesc,
    CpuTopology,
    NumaTopology,
    BranchStack,
    PmuMappings,
    GroupDesc,
    Auxtrace,
    Stat,
    Cache,
    SampleTime,
    SampleTopology,
    ClockId,
    DirFormat,
    CpuPmuCaps,
    ClockData,
    HybridTopology,
    HybridCpuPmuCaps,
}

impl FlagFeature {
    pub fn from_int(i: u32) -> Option<Self> {
        let feature = match i {
            HEADER_TRACING_DATA => Self::TracingData,
            HEADER_BUILD_ID => Self::BuildId,
            HEADER_HOSTNAME => Self::Hostname,
            HEADER_OSRELEASE => Self::OsRelease,
            HEADER_VERSION => Self::Version,
            HEADER_ARCH => Self::Arch,
            HEADER_NRCPUS => Self::NrCpus,
            HEADER_CPUDESC => Self::CpuDesc,
            HEADER_CPUID => Self::CpuId,
            HEADER_TOTAL_MEM => Self::TotalMem,
            HEADER_CMDLINE => Self::Cmdline,
            HEADER_EVENT_DESC => Self::EventDesc,
            HEADER_CPU_TOPOLOGY => Self::CpuTopology,
            HEADER_NUMA_TOPOLOGY => Self::NumaTopology,
            HEADER_BRANCH_STACK => Self::BranchStack,
            HEADER_PMU_MAPPINGS => Self::PmuMappings,
            HEADER_GROUP_DESC => Self::GroupDesc,
            HEADER_AUXTRACE => Self::Auxtrace,
            HEADER_STAT => Self::Stat,
            HEADER_CACHE => Self::Cache,
            HEADER_SAMPLE_TIME => Self::SampleTime,
            HEADER_SAMPLE_TOPOLOGY => Self::SampleTopology,
            HEADER_CLOCKID => Self::ClockId,
            HEADER_DIR_FORMAT => Self::DirFormat,
            HEADER_CPU_PMU_CAPS => Self::CpuPmuCaps,
            HEADER_CLOCK_DATA => Self::ClockData,
            HEADER_HYBRID_TOPOLOGY => Self::HybridTopology,
            HEADER_HYBRID_CPU_PMU_CAPS => Self::HybridCpuPmuCaps,
            _ => return None,
        };
        Some(feature)
    }
}