.TH "PAPI_get_hardware_info" 3 "Thu Dec 14 2023" "Version 7.1.0.0" "PAPI" \" -*- nroff -*-
.ad l
.nh
.SH NAME
PAPI_get_hardware_info \- get information about the system hardware  

.SH SYNOPSIS
.br
.PP
.SH "Detailed Description"
.PP 
In C, this function returns a pointer to a structure containing information about the hardware on which the program runs\&. In Fortran, the values of the structure are returned explicitly\&.
.PP
\fBReturn values\fP
.RS 4
\fIPAPI_EINVAL\fP One or more of the arguments is invalid\&.
.RE
.PP
.PP
\fBNote\fP
.RS 4
The C structure contains detailed information about cache and TLB sizes\&. This information is not available from Fortran\&.
.RE
.PP
\fBExamples:\fP
.RS 4

.PP
.nf
const PAPI_hw_info_t *hwinfo = NULL;
if (PAPI_library_init(PAPI_VER_CURRENT) != PAPI_VER_CURRENT)    
exit(1);
if ((hwinfo = PAPI_get_hardware_info()) == NULL)
exit(1);
printf("%d CPUs at %f Mhz\&.\\en",hwinfo\->totalcpus,hwinfo\->mhz);

.fi
.PP
.RE
.PP
\fBSee also\fP
.RS 4
\fBPAPI_hw_info_t\fP 
.PP
\fBPAPI_get_executable_info\fP, \fBPAPI_get_opt\fP, \fBPAPI_get_dmem_info\fP, \fBPAPI_library_init\fP 
.RE
.PP


.SH "Author"
.PP 
Generated automatically by Doxygen for PAPI from the source code\&.