PAPI_component_info_t(3)

NAME
PAPI_component_info_t -

SYNOPSIS

  Data Fields
char name [128]
char short_name [64]
char description [128]
char version [64]
char support_version [64]
char kernel_version [64]
char disabled_reason [1024]
int disabled
int initialized
int CmpIdx
int num_cntrs
int num_mpx_cntrs
int num_preset_events
int num_native_events
int default_domain
int available_domains
int default_granularity
int available_granularities
int hardware_intr_sig
int component_type
char * pmu_names [80]
int reserved [8]
unsigned int hardware_intr:1
unsigned int precise_intr:1
unsigned int posix1b_timers:1
unsigned int kernel_profile:1
unsigned int kernel_multiplex:1
unsigned int fast_counter_read:1
unsigned int fast_real_timer:1
unsigned int fast_virtual_timer:1
unsigned int attach:1
unsigned int attach_must_ptrace:1
unsigned int cntr_umasks:1
unsigned int cpu:1
unsigned int inherit:1
unsigned int reserved_bits:19

Detailed Description

Field Documentation

  unsigned int PAPI_component_info_t::attach
Supports attach

  unsigned int PAPI_component_info_t::attach_must_ptrace
Attach must first ptrace and stop the thread/process

  int PAPI_component_info_t::available_domains
Available domains

  int PAPI_component_info_t::available_granularities
Available granularities

  int PAPI_component_info_t::CmpIdx
Index into the vector array for this component; set at init time

  unsigned int PAPI_component_info_t::cntr_umasks
counters have unit masks

  int PAPI_component_info_t::component_type
Type of component

  unsigned int PAPI_component_info_t::cpu
Supports specifying cpu number to use with event set

  int PAPI_component_info_t::default_domain
The default domain when this component is used

  int PAPI_component_info_t::default_granularity
The default granularity when this component is used

  char PAPI_component_info_t::description[128]
Description of the component

  int PAPI_component_info_t::disabled
0 if enabled, otherwise error code from initialization

  char PAPI_component_info_t::disabled_reason[1024]
Reason for failure of initialization

  unsigned int PAPI_component_info_t::fast_counter_read
Supports a user level PMC read instruction

  unsigned int PAPI_component_info_t::fast_real_timer
Supports a fast real timer

  unsigned int PAPI_component_info_t::fast_virtual_timer
Supports a fast virtual timer

  unsigned int PAPI_component_info_t::hardware_intr
hw overflow intr, does not need to be emulated in software

  int PAPI_component_info_t::hardware_intr_sig
Signal used by hardware to deliver PMC events

  unsigned int PAPI_component_info_t::inherit
Supports child processes inheriting parents counters

  int PAPI_component_info_t::initialized
Component is ready to use

  unsigned int PAPI_component_info_t::kernel_multiplex
In kernel multiplexing

  unsigned int PAPI_component_info_t::kernel_profile
Has kernel profiling support (buffered interrupts or sprofil-like)

  char PAPI_component_info_t::kernel_version[64]
Version of the kernel PMC support driver

  char PAPI_component_info_t::name[128]
Name of the component we're using

  int PAPI_component_info_t::num_cntrs
Number of hardware counters the component supports

  int PAPI_component_info_t::num_mpx_cntrs
Number of hardware counters the component or PAPI can multiplex supports

  int PAPI_component_info_t::num_native_events
Number of native events the component supports

  int PAPI_component_info_t::num_preset_events
Number of preset events the component supports

  char* PAPI_component_info_t::pmu_names[80]
list of pmu names supported by this component

  unsigned int PAPI_component_info_t::posix1b_timers
Using POSIX 1b interval timers (timer_create) instead of setitimer

  unsigned int PAPI_component_info_t::precise_intr
Performance interrupts happen precisely

  char PAPI_component_info_t::short_name[64]

    Short name of component,

 to be prepended to event names

  char PAPI_component_info_t::support_version[64]
Version of the support library

  char PAPI_component_info_t::version[64]
Version of this component

Author

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