NAME

       PAPI_enum_cmp_event -

       Enumerate PAPI preset or native events for a given component.

SYNOPSIS

Detailed Description

       C Interface:
           #include <papi.h>
           int PAPI_enum_cmp_event( int *EventCode, int  modifier, int cidx );

       Given an event code, PAPI_enum_event replaces the event code with the next available
       event.

       The modifier argument affects which events are returned. For all platforms and event
       types, a value of PAPI_ENUM_ALL (zero) directs the function to return all possible events.
        For native events, the effect of the modifier argument may be different on each platform.
       See the discussion below for platform-specific definitions.

       Parameters:
           *EventCode A defined preset or native event such as PAPI_TOT_INS.
           modifier Modifies the search logic. See below for full list. For native events, each
           platform behaves differently. See platform-specific documentation for details.
           cidx Specifies the component to search in

       Return values:
           PAPI_ENOEVNT The next requested PAPI preset or native event is not available on the
           underlying hardware.

       Examples:

           // Scan for all supported native events on the first component
           printf( "Name       Code   Description0 );
           do {
               retval = PAPI_get_event_info( i, &info );
               if ( retval == PAPI_OK ) {
               printf( "%-30s %#-10x1s0, info.symbol, info.event_code, info.long_descr );
               }
           } while ( PAPI_enum_cmp_event( &i, PAPI_ENUM_ALL, 0 ) == PAPI_OK );

           @par Generic Modifiers

            The following values are implemented for preset events

           • PAPI_ENUM_EVENTS -- Enumerate all (default)
           • PAPI_ENUM_FIRST -- Enumerate first event (preset or native) preset/native chosen
             based on type of EventCode
           @par Native Modifiers
            The following values are implemented for native events

           • PAPI_NTV_ENUM_UMASKS -- Given an event, iterate through possible umasks one at a
             time
           • PAPI_NTV_ENUM_UMASK_COMBOS -- Given an event, iterate through all possible
             combinations of umasks. This is not implemented on libpfm4.
       Preset Modifiers
           The following values are implemented for preset events

           • PAPI_PRESET_ENUM_AVAIL -- enumerate only available presets
           • PAPI_PRESET_ENUM_MSC -- Miscellaneous preset events
           • PAPI_PRESET_ENUM_INS -- Instruction related preset events
           • PAPI_PRESET_ENUM_IDL -- Stalled or Idle preset events
           • PAPI_PRESET_ENUM_BR -- Branch related preset events
           • PAPI_PRESET_ENUM_CND -- Conditional preset events
           • PAPI_PRESET_ENUM_MEM -- Memory related preset events
           • PAPI_PRESET_ENUM_CACH -- Cache related preset events
           • PAPI_PRESET_ENUM_L1 -- L1 cache related preset events
           • PAPI_PRESET_ENUM_L2 -- L2 cache related preset events
           • PAPI_PRESET_ENUM_L3 -- L3 cache related preset events
           • PAPI_PRESET_ENUM_TLB -- Translation Lookaside Buffer events
           • PAPI_PRESET_ENUM_FP -- Floating Point related preset events
       ITANIUM Modifiers
           The following values are implemented for modifier on Itanium:

           • PAPI_NTV_ENUM_IARR - Enumerate IAR (instruction address ranging) events
           • PAPI_NTV_ENUM_DARR - Enumerate DAR (data address ranging) events
           • PAPI_NTV_ENUM_OPCM - Enumerate OPC (opcode matching) events
           • PAPI_NTV_ENUM_IEAR - Enumerate IEAR (instr event address register) events
           • PAPI_NTV_ENUM_DEAR - Enumerate DEAR (data event address register) events
       POWER Modifiers
           The following values are implemented for POWER

           • PAPI_NTV_ENUM_GROUPS - Enumerate groups to which an event belongs
       See Also:
           PAPI
           PAPIF
            PAPI_enum_event
           PAPI_get_event_info
           PAPI_event_name_to_code
           PAPI_preset
           PAPI_native

Author

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