NAME

PAPI_query_named_event - Query if a named PAPI event exists.

SYNOPSIS

Detailed Description

C Interface:

#include <papi.h>
int PAPI_query_named_event(const char *EventName);

PAPI_query_named_event() asks the PAPI library if the PAPI named event can be counted on this architecture. If the event CAN be counted, the function returns PAPI_OK. If the event CANNOT be counted, the function returns an error code. This function also can be used to check the syntax of native and user events.

Parameters

EventName -- a defined event such as PAPI_TOT_INS.

Return values

PAPI_EINVAL One or more of the arguments is invalid.
PAPI_ENOEVNT The PAPI preset is not available on the underlying hardware.

Examples

int retval;
// Initialize the library
retval = PAPI_library_init(PAPI_VER_CURRENT);
if (retval != PAPI_VER_CURRENT) {
  fprintf(stderr,\"PAPI library init error!\\n\");
  exit(1); 
}
if (PAPI_query_named_event("PAPI_TOT_INS") != PAPI_OK) {
  fprintf(stderr,\"No instruction counter? How lame.\\n\");
  exit(1);
}

See also

PAPI_query_event

Author

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