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.TH "PAPI_perror" 3 "Wed Jun 25 2025 19:30:48" "Version 7.2.0.0" "PAPI" \" -*- nroff -*-
.ad l
.nh
.SH NAME
PAPI_perror \- Produces a string on standard error, describing the last library error\&.
.SH SYNOPSIS
.br
.PP
.SH "Detailed Description"
.PP
.PP
\fBC Interface:\fP
.RS 4
#include <\fBpapi\&.h\fP>
.br
void PAPI_perror( const char *s );
.RE
.PP
\fBParameters\fP
.RS 4
\fIs\fP -- Optional message to print before the string describing the last error message\&.
.RE
.PP
The routine PAPI_perror() produces a message on the standard error output, describing the last error encountered during a call to PAPI\&. If s is not NULL, s is printed, followed by a colon and a space\&. Then the error message and a new-line are printed\&.
.PP
\fBExample:\fP
.RS 4
.PP
.nf
int ret;
int EventSet = PAPI_NULL;
int native = 0x0;
ret = PAPI_create_eventset(&EventSet);
if (ret != PAPI_OK)
{
fprintf(stderr, \\"PAPI error %d: %s\\\\n\\", ret, PAPI_strerror(retval));
exit(1);
}
// Add Total Instructions Executed to our EventSet
ret = PAPI_add_event(EventSet, PAPI_TOT_INS);
if (ret != PAPI_OK)
{
PAPI_perror( "PAPI_add_event" );
exit(1);
}
// Start counting
ret = PAPI_start(EventSet);
if (ret != PAPI_OK) handle_error(ret);
.fi
.PP
.RE
.PP
\fBSee also\fP
.RS 4
\fBPAPI_strerror\fP
.RE
.PP
.SH "Author"
.PP
Generated automatically by Doxygen for PAPI from the source code\&.
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