PAPI_component_info_t(3)

💖 NAME 💖

okay so this is the PAPI manual page for PAPI_component_info_t(3), bestie. It's the struct that keeps all the component info together, and the field lineup is right below — no cap, we're keeping every single one ✨

🌸 SYNOPSIS 🌸

🎀 Data Fields 🎀

here's the exact field list, verbatim because code is literal, periodt:

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
char partially_disabled_reason [1024]
int partially_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

✨ 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. iykyk.
• 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. iconic behavior tbh.
• 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. main character energy.
• 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.
• int PAPI_component_info_t::partially_disabled — 1 if component is partially disabled, 0 otherwise.
• char PAPI_component_info_t::partially_disabled_reason[1024] — Reason for partial initialization.
• 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 🌟

Generated automatically by Doxygen for PAPI from the source code. yes bestie, the robots wrote this part 🤖💖

🫶 that's the whole page! this is the PAPI_component_info_t(3) manual page from PAPI version 7.2.0.0, dated Wed Jun 25 2025 19:30:48, and the author note says it was generated automatically by Doxygen for PAPI from the source code. hydrate, stretch, and may your counters stay iconic 💖✨