PAPI_perror - Online Linux Manual PageSection : 3
Updated : September, 2004
Source : PAPI Programmer's Reference
Note : PAPI
NAMEPAPI_perror − convert PAPI error codes to strings, and print error message to stderr.
PAPI_strerror − convert PAPI error codes to strings, and return the error string to user.
SYNOPSISC Interface #include <papi.h>
int PAPI_perror(int code, char *destination, int length);
char *PAPI_strerror(int code);Fortran Interface #include "fpapi.h"
PAPIF_perror(C_INT code, C_STRING destination, C_INT check)
DESCRIPTIONPAPI_perror() fills the string destination with the error message corresponding to the error code code. The function copies length worth of the error description string corresponding to code into destination. The resulting string is always null terminated. If length is 0, then the string is printed on stderr. PAPI_strerror() returns a pointer to the error message corresponding to the error code code. If the call fails the function returns the NULL pointer. This function is not implemented in Fortran.
ARGUMENTScode -- the error code to interpret *destination -- "the error message in quotes" length -- either 0 or strlen(destination)
RETURN VALUESOn success PAPI_perror() returns PAPI_OK." and PAPI_strerror() returns a non-NULL pointer.
ERRORSPAPI_EINVAL" One or more of the arguments to PAPI_perror() is invalid. NULL" The input error code to PAPI_strerror() is invalid.
EXAMPLEint EventSet = PAPI_NULL;
int native = 0x0;
char error_str[PAPI_MAX_STR_LEN];
if ((retval = PAPI_create_eventset(&EventSet)) != PAPI_OK)
{
fprintf(stderr, "PAPI error %d: %s\n",retval,PAPI_strerror(retval));
exit(1);
}
/* Add Total Instructions Executed to our EventSet */
if ((retval = PAPI_add_event(EventSet, PAPI_TOT_INS)) != PAPI_OK)
{
PAPI_perror(retval,error_str,PAPI_MAX_STR_LEN);
fprintf(stderr,"PAPI_error %d: %s\n",retval,error_str);
exit(1);
}
/* Start counting */
if ((retval = PAPI_start(EventSet)) != PAPI_OK)
handle_error(retval);
BUGSThese functions have no known bugs.
SEE ALSOPAPI_set_debug(3)," PAPI_set_opt(3), PAPI_get_opt (3), PAPI_shutdown (3)," 0
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ERROR : Need New Coding : (rof_nr_x|149|PAPI_perror.3|83|\n",retval,PAPI_strerror(retval));| fprintf(stderr, "PAPI error %d: %s\\n",retval,PAPI_strerror(retval));
) (rof_nr_x|149|PAPI_perror.3|92|\n",retval,error_str);| fprintf(stderr,"PAPI_error %d: %s\\n",retval,error_str);
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