int
_papi_hwd_read( hwd_context_t * ctx, hwd_control_state_t * spc, long long **dp,
int flags )
{
if ( flags & PAPI_PAUSED ) {
vperfctr_read_state( ctx->perfctr, &spc->state, NULL );
} else {
SUBDBG( "vperfctr_read_ctrs\n" );
if ( spc->rvperfctr != NULL ) {
rvperfctr_read_ctrs( spc->rvperfctr, &spc->state );
} else {
vperfctr_read_ctrs( ctx->perfctr, &spc->state );
}
}
*dp = ( long long * ) spc->state.pmc;
#ifdef DEBUG
{
if ( ISLEVEL( DEBUG_SUBSTRATE ) ) {
int i;
for ( i = 0;
i <
spc->control.cpu_control.nractrs +
spc->control.cpu_control.nrictrs; i++ ) {
SUBDBG( "raw val hardware index %d is %lld\n", i,
( long long ) spc->state.pmc[i] );
}
}
}
#endif
return ( PAPI_OK );
}
int
_papi_hwd_read( hwd_context_t * ctx, hwd_control_state_t * spc, long long **dp,
int flags )
{
pmc_read_state( _papi_hwi_system_info.num_cntrs, &spc->state );
*dp = ( long long * ) spc->state.sum.pmc;
#ifdef DEBUG
{
if ( ISLEVEL( DEBUG_SUBSTRATE ) ) {
unsigned int i;
for ( i = 0; i < spc->control.cpu_control.nractrs; i++ ) {
SUBDBG( "raw val hardware index %d is %lld\n", i,
( long long ) spc->state.sum.pmc[i] );
}
}
}
#endif
return ( PAPI_OK );
}
static int
build_tables( void )
{
int i;
int regno;
int npic;
einfo_t *ep;
int n;
int npresets;
npic = cpc_getnpic( cpuver );
nctrs = 0;
for ( regno = 0; regno < npic; ++regno ) {
cpc_walk_names( cpuver, regno, 0, action );
}
SUBDBG( "%d counters\n", nctrs );
if ( ( ctrs = papi_malloc( nctrs * sizeof ( struct ctr_info ) ) ) == 0 ) {
return PAPI_ENOMEM;
}
nctrs = 0;
for ( regno = 0; regno < npic; ++regno ) {
cpc_walk_names( cpuver, regno, ( void * ) 1, action );
}
SUBDBG( "%d counters\n", nctrs );
#if DEBUG
if ( ISLEVEL( DEBUG_SUBSTRATE ) ) {
for ( i = 0; i < nctrs; ++i ) {
SUBDBG( "%s: bits (%x,%x) pics %x\n", ctrs[i].name, ctrs[i].bits[0],
ctrs[i].bits[1], ctrs[i].bitmask );
}
}
#endif
/* Build the native event table */
if ( ( native_table =
papi_malloc( nctrs * sizeof ( native_info_t ) ) ) == 0 ) {
papi_free( ctrs );
return PAPI_ENOMEM;
}
for ( i = 0; i < nctrs; ++i ) {
native_table[i].name[39] = 0;
strncpy( native_table[i].name, ctrs[i].name, 39 );
if ( ctrs[i].bitmask & 1 )
native_table[i].encoding[0] = ctrs[i].bits[0];
else
native_table[i].encoding[0] = -1;
if ( ctrs[i].bitmask & 2 )
native_table[i].encoding[1] = ctrs[i].bits[1];
else
native_table[i].encoding[1] = -1;
}
papi_free( ctrs );
/* Build the preset table */
if ( cpuver <= CPC_ULTRA2 ) {
n = sizeof ( us2info ) / sizeof ( einfo_t );
ep = us2info;
} else if ( cpuver <= LASTULTRA3 ) {
n = sizeof ( us3info ) / sizeof ( einfo_t );
ep = us3info;
} else
return PAPI_ESBSTR;
preset_table = papi_malloc( ( n + 1 ) * sizeof ( hwi_search_t ) );
npresets = 0;
for ( i = 0; i < n; ++i ) {
add_preset( preset_table, &npresets, ep[i] );
}
memset( &preset_table[npresets], 0, sizeof ( hwi_search_t ) );
#ifdef DEBUG
if ( ISLEVEL( DEBUG_SUBSTRATE ) ) {
SUBDBG( "Native table: %d\n", nctrs );
for ( i = 0; i < nctrs; ++i ) {
SUBDBG( "%40s: %8x %8x\n", native_table[i].name,
native_table[i].encoding[0], native_table[i].encoding[1] );
}
SUBDBG( "\nPreset table: %d\n", npresets );
for ( i = 0; preset_table[i].event_code != 0; ++i ) {
SUBDBG( "%8x: op %2d e0 %8x e1 %8x\n",
preset_table[i].event_code,
preset_table[i].data.derived,
preset_table[i].data.native[0],
preset_table[i].data.native[1] );
}
}
#endif
_solaris_vector.cmp_info.num_native_events = nctrs;
return PAPI_OK;
}
static int
get_system_info( papi_mdi_t *mdi )
{
int retval;
pid_t pid;
char maxargs[PAPI_MAX_STR_LEN] = "<none>";
psinfo_t psi;
int fd;
int hz, version;
char cpuname[PAPI_MAX_STR_LEN], pname[PAPI_HUGE_STR_LEN];
/* Check counter access */
if ( cpc_version( CPC_VER_CURRENT ) != CPC_VER_CURRENT )
return ( PAPI_ESBSTR );
SUBDBG( "CPC version %d successfully opened\n", CPC_VER_CURRENT );
if ( cpc_access( ) == -1 )
return ( PAPI_ESBSTR );
/* Global variable cpuver */
cpuver = cpc_getcpuver( );
SUBDBG( "Got %d from cpc_getcpuver()\n", cpuver );
if ( cpuver == -1 )
return ( PAPI_ESBSTR );
#ifdef DEBUG
{
if ( ISLEVEL( DEBUG_SUBSTRATE ) ) {
const char *name;
int i;
name = cpc_getcpuref( cpuver );
if ( name )
SUBDBG( "CPC CPU reference: %s\n", name );
else
SUBDBG( "Could not get a CPC CPU reference\n" );
for ( i = 0; i < cpc_getnpic( cpuver ); i++ ) {
SUBDBG( "\n%6s %-40s %8s\n", "Reg", "Symbolic name", "Code" );
cpc_walk_names( cpuver, i, "%6d %-40s %02x\n",
print_walk_names );
}
SUBDBG( "\n" );
}
}
#endif
/* Initialize other globals */
if ( ( retval = build_tables( ) ) != PAPI_OK )
return retval;
preset_search_map = preset_table;
if ( cpuver <= CPC_ULTRA2 ) {
SUBDBG( "cpuver (==%d) <= CPC_ULTRA2 (==%d)\n", cpuver, CPC_ULTRA2 );
pcr_shift[0] = CPC_ULTRA_PCR_PIC0_SHIFT;
pcr_shift[1] = CPC_ULTRA_PCR_PIC1_SHIFT;
} else if ( cpuver <= LASTULTRA3 ) {
SUBDBG( "cpuver (==%d) <= CPC_ULTRA3x (==%d)\n", cpuver, LASTULTRA3 );
pcr_shift[0] = CPC_ULTRA_PCR_PIC0_SHIFT;
pcr_shift[1] = CPC_ULTRA_PCR_PIC1_SHIFT;
_solaris_vector.cmp_info.hardware_intr = 1;
_solaris_vector.cmp_info.hardware_intr_sig = SIGEMT;
} else
return ( PAPI_ESBSTR );
/* Path and args */
pid = getpid( );
if ( pid == -1 )
return ( PAPI_ESYS );
/* Turn on microstate accounting for this process and any LWPs. */
sprintf( maxargs, "/proc/%d/ctl", ( int ) pid );
if ( ( fd = open( maxargs, O_WRONLY ) ) == -1 )
return ( PAPI_ESYS );
{
int retval;
struct
{
long cmd;
long flags;
} cmd;
cmd.cmd = PCSET;
cmd.flags = PR_MSACCT | PR_MSFORK;
retval = write( fd, &cmd, sizeof ( cmd ) );
close( fd );
SUBDBG( "Write PCSET returned %d\n", retval );
if ( retval != sizeof ( cmd ) )
return ( PAPI_ESYS );
}
/* Get executable info */
sprintf( maxargs, "/proc/%d/psinfo", ( int ) pid );
if ( ( fd = open( maxargs, O_RDONLY ) ) == -1 )
return ( PAPI_ESYS );
read( fd, &psi, sizeof ( psi ) );
close( fd );
/* Cut off any arguments to exe */
{
char *tmp;
tmp = strchr( psi.pr_psargs, ' ' );
if ( tmp != NULL )
*tmp = '\0';
}
if ( realpath( psi.pr_psargs, pname ) )
strncpy( _papi_hwi_system_info.exe_info.fullname, pname,
PAPI_HUGE_STR_LEN );
else
strncpy( _papi_hwi_system_info.exe_info.fullname, psi.pr_psargs,
PAPI_HUGE_STR_LEN );
/* please don't use pr_fname here, because it can only store less that
16 characters */
strcpy( _papi_hwi_system_info.exe_info.address_info.name,
basename( _papi_hwi_system_info.exe_info.fullname ) );
SUBDBG( "Full Executable is %s\n",
_papi_hwi_system_info.exe_info.fullname );
/* Executable regions, reading /proc/pid/maps file */
retval = _ultra_hwd_update_shlib_info( &_papi_hwi_system_info );
/* Hardware info */
_papi_hwi_system_info.hw_info.ncpu = sysconf( _SC_NPROCESSORS_ONLN );
_papi_hwi_system_info.hw_info.nnodes = 1;
_papi_hwi_system_info.hw_info.totalcpus = sysconf( _SC_NPROCESSORS_CONF );
retval = scan_prtconf( cpuname, PAPI_MAX_STR_LEN, &hz, &version );
if ( retval == -1 )
return ( PAPI_ESBSTR );
strcpy( _papi_hwi_system_info.hw_info.model_string,
cpc_getcciname( cpuver ) );
_papi_hwi_system_info.hw_info.model = cpuver;
strcpy( _papi_hwi_system_info.hw_info.vendor_string, "SUN" );
_papi_hwi_system_info.hw_info.vendor = PAPI_VENDOR_SUN;
_papi_hwi_system_info.hw_info.revision = version;
_papi_hwi_system_info.hw_info.mhz = ( ( float ) hz / 1.0e6 );
SUBDBG( "hw_info.mhz = %f\n", _papi_hwi_system_info.hw_info.mhz );
/* Number of PMCs */
retval = cpc_getnpic( cpuver );
if ( retval < 0 )
return ( PAPI_ESBSTR );
_solaris_vector.cmp_info.num_cntrs = retval;
_solaris_vector.cmp_info.fast_real_timer = 1;
_solaris_vector.cmp_info.fast_virtual_timer = 1;
_solaris_vector.cmp_info.default_domain = PAPI_DOM_USER;
_solaris_vector.cmp_info.available_domains =
PAPI_DOM_USER | PAPI_DOM_KERNEL;
/* Setup presets */
retval = _papi_hwi_setup_all_presets( preset_search_map, NULL );
if ( retval )
return ( retval );
return ( PAPI_OK );
}
int
MPX_start( MPX_EventSet * mpx_events )
{
int retval = PAPI_OK;
int i;
long long values[2];
long long cycles_this_slice, current_thread_mpx_c = 0;
Threadlist *t;
t = mpx_events->mythr;
mpx_hold( );
if ( t->cur_event && t->cur_event->active ) {
current_thread_mpx_c += t->total_c;
retval = PAPI_read( t->cur_event->papi_event, values );
assert( retval == PAPI_OK );
if ( retval == PAPI_OK ) {
cycles_this_slice = ( t->cur_event->pi.event_type == SCALE_EVENT )
? values[0] : values[1];
} else {
values[0] = values[1] = 0;
cycles_this_slice = 0;
}
} else {
values[0] = values[1] = 0;
cycles_this_slice = 0;
}
/* Make all events in this set active, and for those
* already active, get the current count and cycles.
*/
for ( i = 0; i < mpx_events->num_events; i++ ) {
MasterEvent *mev = mpx_events->mev[i];
if ( mev->active++ ) {
mpx_events->start_values[i] = mev->count_estimate;
mpx_events->start_hc[i] = mev->cycles;
/* If this happens to be the currently-running
* event, add in the current amounts from this
* time slice. If it's a rate, though, don't
* bother since the event might not have been
* running long enough to get an accurate count.
*/
if ( t->cur_event && !( t->cur_event->is_a_rate ) ) {
#ifdef MPX_NONDECR_HYBRID
if ( mev != t->cur_event ) { /* This event is not running this slice */
mpx_events->start_values[i] +=
( long long ) ( mev->rate_estimate *
( cycles_this_slice + t->total_c -
mev->prev_total_c ) );
} else { /* The event is running, use current value + estimate */
if ( cycles_this_slice >= MPX_MINCYC )
mpx_events->start_values[i] += values[0] + ( long long )
( ( values[0] / ( double ) cycles_this_slice ) *
( t->total_c - mev->prev_total_c ) );
else /* Use previous rate if the event has run too short time */
mpx_events->start_values[i] += values[0] + ( long long )
( mev->rate_estimate *
( t->total_c - mev->prev_total_c ) );
}
#endif
} else {
mpx_events->start_values[i] = mev->count;
}
} else {
/* The = 0 isn't actually necessary; we only need
* to sync up the mpx event to the master event,
* but it seems safe to set the mev to 0 here, and
* that gives us a change to avoid (very unlikely)
* rollover problems for events used repeatedly over
* a long time.
*/
mpx_events->start_values[i] = 0;
mpx_events->stop_values[i] = 0;
mpx_events->start_hc[i] = mev->cycles = 0;
mev->count_estimate = 0;
mev->rate_estimate = 0.0;
mev->prev_total_c = current_thread_mpx_c;
mev->count = 0;
}
/* Adjust start value to include events and cycles
* counted previously for this event set.
*/
}
mpx_events->status = MPX_RUNNING;
/* Start first counter if one isn't already running */
if ( t->cur_event == NULL ) {
/* Pick an events at random to start. */
int index = ( rand_r( &randomseed ) % mpx_events->num_events );
t->cur_event = mpx_events->mev[index];
t->total_c = 0;
t->cur_event->prev_total_c = 0;
mpx_events->start_c = 0;
retval = PAPI_start( mpx_events->mev[index]->papi_event );
assert( retval == PAPI_OK );
} else {
/* If an event is already running, record the starting cycle
* count for mpx_events, which is the accumlated cycle count
* for the master event set plus the cycles for this time
* slice.
*/
mpx_events->start_c = t->total_c + cycles_this_slice;
}
#if defined(DEBUG)
if ( ISLEVEL( DEBUG_MULTIPLEX ) ) {
MPXDBG( "%s:%d:: start_c=%lld thread->total_c=%lld\n", __FILE__,
__LINE__, mpx_events->start_c, t->total_c );
for ( i = 0; i < mpx_events->num_events; i++ ) {
MPXDBG
( "%s:%d:: start_values[%d]=%lld estimate=%lld rate=%g last active=%lld\n",
__FILE__, __LINE__, i, mpx_events->start_values[i],
mpx_events->mev[i]->count_estimate,
mpx_events->mev[i]->rate_estimate,
mpx_events->mev[i]->prev_total_c );
}
}
#endif
mpx_release( );
retval = mpx_startup_itimer( );
return retval;
}
int
_papi_hwi_shutdown_global_threads( void )
{
int err,num_threads,i;
ThreadInfo_t *tmp,*next;
unsigned long our_tid;
tmp = _papi_hwi_lookup_thread( 0 );
if ( tmp == NULL ) {
THRDBG( "Did not find my thread for shutdown!\n" );
err = PAPI_EBUG;
}
else {
our_tid=tmp->tid;
THRDBG("Shutting down %ld\n",our_tid);
err = _papi_hwi_shutdown_thread( tmp );
/* count threads */
tmp = ( ThreadInfo_t * ) _papi_hwi_thread_head;
num_threads=0;
while(tmp!=NULL) {
num_threads++;
if (tmp->next==_papi_hwi_thread_head) break;
tmp=tmp->next;
}
/* Shut down all threads allocated by this thread */
/* Urgh it's a circular list where we removed in the loop */
/* so the only sane way to do it is get a count in advance */
tmp = ( ThreadInfo_t * ) _papi_hwi_thread_head;
for(i=0;i<num_threads;i++) {
next=tmp->next;
THRDBG("looking at #%d %ld our_tid: %ld alloc_tid: %ld\n",
i,tmp->tid,our_tid,tmp->allocator_tid);
if (tmp->allocator_tid==our_tid) {
THRDBG("Also removing thread %ld\n",tmp->tid);
err = _papi_hwi_shutdown_thread( tmp );
}
tmp=next;
}
}
#ifdef DEBUG
if ( ISLEVEL( DEBUG_THREADS ) ) {
if ( _papi_hwi_thread_head ) {
THRDBG( "Thread head %p still exists!\n", _papi_hwi_thread_head );
}
}
#endif
#if defined(HAVE_THREAD_LOCAL_STORAGE)
_papi_hwi_my_thread = NULL;
#endif
_papi_hwi_thread_head = NULL;
_papi_hwi_thread_id_fn = NULL;
#if defined(ANY_THREAD_GETS_SIGNAL)
_papi_hwi_thread_kill_fn = NULL;
#endif
return err;
}
