PAPIf_hl_read(3)

NAME
PAPIf_hl_read -

Reads and stores hardware events inside of an instrumented code region.

SYNOPSIS

Detailed Description

Fortran Prototype:
    #include <fpapi.h>
     int PAPIf_hl_read( C_STRING region, C_INT check )

Parameters:
    region -- a unique region name corresponding to PAPIf_hl_region_begin

Return values:
    PAPI_OK
    PAPI_ENOTRUN -- EventSet is currently not running or could not determined.
    PAPI_ESYS -- A system or C library call failed inside PAPI, see the errno variable.
    PAPI_EMISC -- PAPI has been deactivated due to previous erros.
    PAPI_ENOMEM -- Insufficient memory.

PAPIf_hl_read reads hardware events and stores them internally inside of an instrumented code region. Assumes that PAPIf_hl_region_begin was called before.

Example:

* integer retval
*
* call PAPIf_hl_region_begin("computation", retval)
* if ( retval .NE. PAPI_OK ) then
*     write (*,*) "PAPIf_hl_region_begin failed!"
* end if
*
* !do some computation here
*
* call PAPIf_hl_read("computation", retval)
* if ( retval .NE. PAPI_OK ) then
*     write (*,*) "PAPIf_hl_read failed!"
* end if
*
* !do some computation here
*
* call PAPIf_hl_region_end("computation", retval)
* if ( retval .NE. PAPI_OK ) then
*     write (*,*) "PAPIf_hl_region_end failed!"
* end if
*
*

See Also:
    PAPI_hl_read

Author

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