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xentrace (8)
  • >> xentrace (8) ( Linux man: Команды системного администрирования )
  •  

    NAME

    xentrace - capture Xen trace buffer data
     
    

    SYNOPSIS

    xentrace [ OPTIONS ] [ FILE ]  

    DESCRIPTION

    xentrace is used to capture trace buffer data from Xen. The data is output in the following binary format (host endian):


        CPU(uint) TSC(u64) EVENT(u32) D1 D2 D3 D4 D5 (all u32)

    Where CPU is the processor number, TSC is the record's timestamp (the value of the CPU cycle counter), EVENT is the event ID and D1...D5 are the trace data.

    Data is dumped onto the standard output (which must not be a TTY) or a FILE specified on the command line.

    The output should be parsed using the tool xentrace_format, which can produce human-readable output in ASCII format.

     

    Options

    -t, --log-thresh=l
    set the threshold number, l, of new records required to trigger a write of all new records to the output
    -s, --poll-sleep=p
    set the time, p, (in milliseconds) to sleep between polling the buffers for new data.
    -c, --cpu-mask=c
    set cpu-mask
    -e, --evt-mask=e
    set evt-mask
    -?, --help
    Give this help list
    --usage
    Give a short usage message
    -V, --version
    Print program version

     

    Event Classes (Masks)

    The following event classes (masks) can be used to filter the events being gathered by xentrace:


            ID                  Description


            0x0001f000          TRC_GEN
            0x0002f000          TRC_SCHED
            0x0004f000          TRC_DOM0OP
            0x0008f000          TRC_HVM
            0x0010f000          TRC_MEM
            0xfffff000          TRC_ALL

     

    Event Subclasses (More Masks)

    The following event subclasses (masks) can also be used to filter the events being gathered by xentrace:


            ID                  Description


            0x00081000          TRC_HVM_ENTRYEXIT
            0x00082000          TRC_HVM_HANDLER

     

    Events

    xentrace collects the following events from the trace buffer:


            ID                Description


            0x0001f001         TRC_LOST_RECORDS
            0x0002f001         TRC_SCHED_DOM_ADD
            0x0002f002         TRC_SCHED_DOM_REM
            0x0002f003         TRC_SCHED_SLEEP
            0x0002f004         TRC_SCHED_WAKE
            0x0002f005         TRC_SCHED_YIELD
            0x0002f006         TRC_SCHED_BLOCK
            0x0002f007         TRC_SCHED_SHUTDOWN
            0x0002f008         TRC_SCHED_CTL
            0x0002f009         TRC_SCHED_ADJDOM
            0x0002f010         TRC_SCHED_SWITCH
            0x0002f011         TRC_SCHED_S_TIMER_FN
            0x0002f012         TRC_SCHED_T_TIMER_FN
            0x0002f013         TRC_SCHED_DOM_TIMER_FN
            0x0002f014         TRC_SCHED_SWITCH_INFPREV
            0x0002f015         TRC_SCHED_SWITCH_INFNEXT


            0x00081001         TRC_HVM_VMENTRY
            0x00081002         TRC_HVM_VMEXIT
            0x00082001         TRC_HVM_PF_XEN
            0x00082002         TRC_HVM_PF_INJECT
            0x00082003         TRC_HVM_INJ_EXC
            0x00082004         TRC_HVM_INJ_VIRQ
            0x00082005         TRC_HVM_REINJ_VIRQ
            0x00082006         TRC_HVM_IO_READ
            0x00082007         TRC_HVM_IO_WRITE
            0x00082008         TRC_HVM_CR_READ
            0x00082009         TRC_HVM_CR_WRITE
            0x0008200A         TRC_HVM_DR_READ
            0x0008200B         TRC_HVM_DR_WRITE
            0x0008200C         TRC_HVM_MSR_READ
            0x0008200D         TRC_HVM_MSR_WRITE
            0x0008200E         TRC_HVM_CPUID
            0x0008200F         TRC_HVM_INTR
            0x00082010         TRC_HVM_NMI 
            0x00082011         TRC_HVM_SMI 
            0x00082012         TRC_HVM_VMMCALL
            0x00082013         TRC_HVM_HLT
            0x00082014         TRC_HVM_INVLPG


            0x0010f001         TRC_MEM_PAGE_GRANT_MAP
            0x0010f002         TRC_MEM_PAGE_GRANT_UNMAP
            0x0010f003         TRC_MEM_PAGE_GRANT_TRANSFER

     

    AUTHOR

    Mark A. Williamson <mark.a.williamson@intel.com>

     

    SEE ALSO

    xentrace_cpuinfo(1), xentrace_format(1)


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    Options
    Event Classes (Masks)
    Event Subclasses (More Masks)
    Events
    AUTHOR
    SEE ALSO


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