static int
attach( hwd_control_state_t * ctl, unsigned long tid )
{
struct vperfctr_control tmp;
#ifdef VPERFCTR_CONTROL_CLOEXEC
tmp.flags = VPERFCTR_CONTROL_CLOEXEC;
#endif
ctl->rvperfctr = rvperfctr_open( ( int ) tid );
if ( ctl->rvperfctr == NULL ) {
PAPIERROR( VOPEN_ERROR );
return ( PAPI_ESYS );
}
SUBDBG( "_papi_hwd_ctl rvperfctr_open() = %p\n", ctl->rvperfctr );
/* Initialize the per thread/process virtualized TSC */
memset( &tmp, 0x0, sizeof ( tmp ) );
tmp.cpu_control.tsc_on = 1;
/* Start the per thread/process virtualized TSC */
if ( rvperfctr_control( ctl->rvperfctr, &tmp ) < 0 ) {
PAPIERROR( RCNTRL_ERROR );
return ( PAPI_ESYS );
}
return ( PAPI_OK );
} /* end attach() */
static int
_x86_start( hwd_context_t * ctx, hwd_control_state_t * state )
{
int error;
#ifdef DEBUG
print_control( &state->control.cpu_control );
#endif
if ( state->rvperfctr != NULL ) {
if ( ( error =
rvperfctr_control( state->rvperfctr, &state->control ) ) < 0 ) {
SUBDBG( "rvperfctr_control returns: %d\n", error );
PAPIERROR( RCNTRL_ERROR );
return ( PAPI_ESYS );
}
return ( PAPI_OK );
}
if ( ( error = vperfctr_control( ctx->perfctr, &state->control ) ) < 0 ) {
SUBDBG( "vperfctr_control returns: %d\n", error );
PAPIERROR( VCNTRL_ERROR );
return ( PAPI_ESYS );
}
return ( PAPI_OK );
}
int
_papi_hwd_start( hwd_context_t * ctx, hwd_control_state_t * state )
{
int error;
/* clear_unused_pmcsel_bits(this_state); moved to update_control_state */
#ifdef DEBUG
print_control( &state->control.cpu_control );
#endif
if ( state->rvperfctr != NULL ) {
if ( ( error =
rvperfctr_control( state->rvperfctr, &state->control ) ) < 0 ) {
SUBDBG( "rvperfctr_control returns: %d\n", error );
PAPIERROR( RCNTRL_ERROR );
return ( PAPI_ESYS );
}
return ( PAPI_OK );
}
if ( ( error = vperfctr_control( ctx->perfctr, &state->control ) ) < 0 ) {
SUBDBG( "vperfctr_control returns: %d\n", error );
PAPIERROR( VCNTRL_ERROR );
return ( PAPI_ESYS );
}
return ( PAPI_OK );
}
