syscall

const (
	// PerfAttrFlagsDisabled off by default
	PerfAttrFlagsDisabled PerfAttrFlags = 1 << iota
	// PerfAttrFlagsInherit children inherit it
	PerfAttrFlagsInherit
	// PerfAttrFlagsPinned must always be on PMU
	PerfAttrFlagsPinned
	// PerfAttrFlagsExclusive only group on PMU
	PerfAttrFlagsExclusive
	// PerfAttrFlagsExcludeUser don't count user
	PerfAttrFlagsExcludeUser
	// PerfAttrFlagsExcludeKernel ditto kernel
	PerfAttrFlagsExcludeKernel
	// PerfAttrFlagsExcludeHV ditto hypervisor
	PerfAttrFlagsExcludeHV
	// PerfAttrFlagsExcludeIdle don't count when idle
	PerfAttrFlagsExcludeIdle
	// PerfAttrFlagsMmap include mmap data
	PerfAttrFlagsMmap
	// PerfAttrFlagsComm include comm data
	PerfAttrFlagsComm
	// PerfAttrFlagsFreq use freq, not period
	PerfAttrFlagsFreq
	// PerfAttrFlagsInheritStat per task counts
	PerfAttrFlagsInheritStat
	// PerfAttrFlagsEnableOnExec next exec enables
	PerfAttrFlagsEnableOnExec
	// PerfAttrFlagsTask trace fork/exit
	PerfAttrFlagsTask
	// PerfAttrFlagsWatermark wakeup_watermark
	PerfAttrFlagsWatermark
	// PerfAttrFlagsPreciseIPConstantSkid SAMPLE_IP must have constant skid, See also PERF_RECORD_MISC_EXACT_IP
	PerfAttrFlagsPreciseIPConstantSkid PerfAttrFlags = 1 << 15
	// PerfAttrFlagsPreciseIPRequestZeroSkid SAMPLE_IP requested to have 0 skid, See also PERF_RECORD_MISC_EXACT_IP
	PerfAttrFlagsPreciseIPRequestZeroSkid PerfAttrFlags = 1 << 16
	// PerfAttrFlagsPreciseIPRequireZeroSkid SAMPLE_IP must have 0 skid, See also PERF_RECORD_MISC_EXACT_IP
	PerfAttrFlagsPreciseIPRequireZeroSkid PerfAttrFlags = 1<<16 + 1<<15
)

const (
	// PerfEventOpenFDNoGroup This  flag  tells the event to ignore the group_fd parameter ex‐
	// cept for the purpose of setting up output redirection using  the
	// PERF_FLAG_FD_OUTPUT flag.
	PerfEventOpenFDNoGroup PerfEventOpenFlags = 1 << iota

	// PerfEventOpenFDOutput This flag re-routes the event's sampled output to instead be in‐
	// cluded in the mmap buffer of the event specified by group_fd.
	PerfEventOpenFDOutput

	// PerfEventOpenPIDCgroup This  flag  tells the event to ignore the group_fd parameter ex‐
	// cept for the purpose of setting up output redirection using  the
	// PERF_FLAG_FD_OUTPUT flag.
	PerfEventOpenPIDCgroup

	// PerfEventOpenFDCloseOnExit This  flag  enables the close-on-exec flag for the created event
	// file descriptor, so that the file  descriptor  is  automatically
	// closed  on  execve(2).   Setting the close-on-exec flags at cre‐
	// ation time, rather than later with  fcntl(2),  avoids  potential
	// race    conditions    where    the    calling   thread   invokes
	// perf_event_open() and fcntl(2)  at  the  same  time  as  another
	// thread calls fork(2) then execve(2).
	PerfEventOpenFDCloseOnExit
)

const (
	// PERF_TYPE_HARDWARE This indicates one of the "generalized"  hardware  events
	// provided  by the kernel.  See the config field definition
	// for more details.
	PERF_TYPE_HARDWARE PerfType = iota

	// PERF_TYPE_SOFTWARE This indicates one of the  software-defined  events  provided
	// by  the  kernel  (even  if  no hardware support is
	// available).
	PERF_TYPE_SOFTWARE

	// PERF_TYPE_TRACEPOINT This indicates a tracepoint provided by the kernel tracepoint infrastructure.
	PERF_TYPE_TRACEPOINT

	// PERF_TYPE_HW_CACHE  This  indicates  a hardware cache event. This has a special encoding,
	// described in the config field definition.
	PERF_TYPE_HW_CACHE

	// PERF_TYPE_RAW This indicates a "raw" implementation-specific  event  in
	// the config field.
	PERF_TYPE_RAW

	// PERF_TYPE_BREAKPOINT This  indicates  a hardware breakpoint as provided by the CPU.
	// Breakpoints can be read/write accesses  to  an  address as well as execution of an instruction address.
	PERF_TYPE_BREAKPOINT
)