solaris-common.c

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#include "papi.h"
#include "papi_internal.h"
#include "papi_vector.h"
#include "papi_memory.h"

#include "solaris-common.h"

#include <sys/utsname.h>


#if 0
/* once the bug in dladdr is fixed by SUN, (now dladdr caused deadlock when
   used with pthreads) this function can be used again */
int
_solaris_update_shlib_info( papi_mdi_t *mdi )
{
    char fname[80], name[PAPI_HUGE_STR_LEN];
    prmap_t newp;
    int count, t_index;
    FILE *map_f;
    void *vaddr;
    Dl_info dlip;
    PAPI_address_map_t *tmp = NULL;

    sprintf( fname, "/proc/%d/map", getpid(  ) );
    map_f = fopen( fname, "r" );
    if ( !map_f ) {
        PAPIERROR( "fopen(%s) returned < 0", fname );
        return ( PAPI_OK );
    }

    /* count the entries we need */
    count = 0;
    t_index = 0;
    while ( fread( &newp, sizeof ( prmap_t ), 1, map_f ) > 0 ) {
        vaddr = ( void * ) ( 1 + ( newp.pr_vaddr ) );   // map base address 
        if ( dladdr( vaddr, &dlip ) > 0 ) {
            count++;
            if ( ( newp.pr_mflags & MA_EXEC ) && ( newp.pr_mflags & MA_READ ) ) {
                if ( !( newp.pr_mflags & MA_WRITE ) )
                    t_index++;
            }
            strcpy( name, dlip.dli_fname );
            if ( strcmp( _papi_hwi_system_info.exe_info.address_info.name,
                         basename( name ) ) == 0 ) {
                if ( ( newp.pr_mflags & MA_EXEC ) &&
                     ( newp.pr_mflags & MA_READ ) ) {
                    if ( !( newp.pr_mflags & MA_WRITE ) ) {
                        _papi_hwi_system_info.exe_info.address_info.text_start =
                            ( caddr_t ) newp.pr_vaddr;
                        _papi_hwi_system_info.exe_info.address_info.text_end =
                            ( caddr_t ) ( newp.pr_vaddr + newp.pr_size );
                    } else {
                        _papi_hwi_system_info.exe_info.address_info.data_start =
                            ( caddr_t ) newp.pr_vaddr;
                        _papi_hwi_system_info.exe_info.address_info.data_end =
                            ( caddr_t ) ( newp.pr_vaddr + newp.pr_size );
                    }
                }
            }
        }

    }
    rewind( map_f );
    tmp =
        ( PAPI_address_map_t * ) papi_calloc( t_index - 1,
                                              sizeof ( PAPI_address_map_t ) );

    if ( tmp == NULL ) {
        PAPIERROR( "Error allocating shared library address map" );
        return ( PAPI_ENOMEM );
    }
    t_index = -1;
    while ( fread( &newp, sizeof ( prmap_t ), 1, map_f ) > 0 ) {
        vaddr = ( void * ) ( 1 + ( newp.pr_vaddr ) );   // map base address
        if ( dladdr( vaddr, &dlip ) > 0 ) { // valid name
            strcpy( name, dlip.dli_fname );
            if ( strcmp( _papi_hwi_system_info.exe_info.address_info.name,
                         basename( name ) ) == 0 )
                continue;
            if ( ( newp.pr_mflags & MA_EXEC ) && ( newp.pr_mflags & MA_READ ) ) {
                if ( !( newp.pr_mflags & MA_WRITE ) ) {
                    t_index++;
                    tmp[t_index].text_start = ( caddr_t ) newp.pr_vaddr;
                    tmp[t_index].text_end =
                        ( caddr_t ) ( newp.pr_vaddr + newp.pr_size );
                    strncpy( tmp[t_index].name, dlip.dli_fname,
                             PAPI_HUGE_STR_LEN - 1 );
                    tmp[t_index].name[PAPI_HUGE_STR_LEN - 1] = '\0';
                } else {
                    if ( t_index < 0 )
                        continue;
                    tmp[t_index].data_start = ( caddr_t ) newp.pr_vaddr;
                    tmp[t_index].data_end =
                        ( caddr_t ) ( newp.pr_vaddr + newp.pr_size );
                }
            }
        }
    }

    fclose( map_f );

    if ( _papi_hwi_system_info.shlib_info.map )
        papi_free( _papi_hwi_system_info.shlib_info.map );
    _papi_hwi_system_info.shlib_info.map = tmp;
    _papi_hwi_system_info.shlib_info.count = t_index + 1;

    return PAPI_OK;
}
#endif


int
_papi_hwi_init_os(void) {

  struct utsname uname_buffer;

  uname(&uname_buffer);

  strncpy(_papi_os_info.name,uname_buffer.sysname,PAPI_MAX_STR_LEN);

  strncpy(_papi_os_info.version,uname_buffer.release,PAPI_MAX_STR_LEN);

  _papi_os_info.itimer_sig = PAPI_INT_MPX_SIGNAL;
  _papi_os_info.itimer_num = PAPI_INT_ITIMER;
  _papi_os_info.itimer_ns = PAPI_INT_MPX_DEF_US * 1000;
  _papi_os_info.itimer_res_ns = 1;

  return PAPI_OK;
}

#if 0
int
_ultra_hwd_update_shlib_info( papi_mdi_t *mdi )
{
    /*??? system call takes very long */

    char cmd_line[PAPI_HUGE_STR_LEN + PAPI_HUGE_STR_LEN], fname[L_tmpnam];
    char line[256];
    char address[16], size[10], flags[64], objname[256];
    PAPI_address_map_t *tmp = NULL;

    FILE *f = NULL;
    int t_index = 0, i;
    struct map_record
    {
        long address;
        int size;
        int flags;
        char objname[256];
        struct map_record *next;
    } *tmpr, *head, *curr;

    tmpnam( fname );
    SUBDBG( "Temporary name %s\n", fname );

    sprintf( cmd_line, "/bin/pmap %d > %s", ( int ) getpid(  ), fname );
    if ( system( cmd_line ) != 0 ) {
        PAPIERROR( "Could not run %s to get shared library address map",
                   cmd_line );
        return ( PAPI_OK );
    }

    f = fopen( fname, "r" );
    if ( f == NULL ) {
        PAPIERROR( "fopen(%s) returned < 0", fname );
        remove( fname );
        return ( PAPI_OK );
    }

    /* ignore the first line */
    fgets( line, 256, f );
    head = curr = NULL;
    while ( fgets( line, 256, f ) != NULL ) {
        /* discard the last line */
        if ( strncmp( line, " total", 6 ) != 0 ) {
            sscanf( line, "%s %s %s %s", address, size, flags, objname );
            if ( objname[0] == '/' ) {
                tmpr =
                    ( struct map_record * )
                    papi_malloc( sizeof ( struct map_record ) );
                if ( tmpr == NULL )
                    return ( -1 );
                tmpr->next = NULL;
                if ( curr ) {
                    curr->next = tmpr;
                    curr = tmpr;
                }
                if ( head == NULL ) {
                    curr = head = tmpr;
                }

                SUBDBG( "%s\n", objname );

                if ( ( strstr( flags, "read" ) && strstr( flags, "exec" ) ) ||
                     ( strstr( flags, "r" ) && strstr( flags, "x" ) ) ) {
                    if ( !( strstr( flags, "write" ) || strstr( flags, "w" ) ) ) {  /* text segment */
                        t_index++;
                        tmpr->flags = 1;
                    } else {
                        tmpr->flags = 0;
                    }
                    sscanf( address, "%lx", &tmpr->address );
                    sscanf( size, "%d", &tmpr->size );
                    tmpr->size *= 1024;
                    strcpy( tmpr->objname, objname );
                }

            }

        }
    }
    tmp =
        ( PAPI_address_map_t * ) papi_calloc( t_index - 1,
                                              sizeof ( PAPI_address_map_t ) );

    if ( tmp == NULL ) {
        PAPIERROR( "Error allocating shared library address map" );
        return ( PAPI_ENOMEM );
    }

    t_index = -1;
    tmpr = curr = head;
    i = 0;
    while ( curr != NULL ) {
        if ( strcmp( _papi_hwi_system_info.exe_info.address_info.name,
                     basename( curr->objname ) ) == 0 ) {
            if ( curr->flags ) {
                _papi_hwi_system_info.exe_info.address_info.text_start =
                    ( caddr_t ) curr->address;
                _papi_hwi_system_info.exe_info.address_info.text_end =
                    ( caddr_t ) ( curr->address + curr->size );
            } else {
                _papi_hwi_system_info.exe_info.address_info.data_start =
                    ( caddr_t ) curr->address;
                _papi_hwi_system_info.exe_info.address_info.data_end =
                    ( caddr_t ) ( curr->address + curr->size );
            }
        } else {
            if ( curr->flags ) {
                t_index++;
                tmp[t_index].text_start = ( caddr_t ) curr->address;
                tmp[t_index].text_end =
                    ( caddr_t ) ( curr->address + curr->size );
                strncpy( tmp[t_index].name, curr->objname,
                         PAPI_HUGE_STR_LEN - 1 );
                tmp[t_index].name[PAPI_HUGE_STR_LEN - 1] = '\0';
            } else {
                if ( t_index < 0 )
                    continue;
                tmp[t_index].data_start = ( caddr_t ) curr->address;
                tmp[t_index].data_end =
                    ( caddr_t ) ( curr->address + curr->size );
            }
        }
        tmpr = curr->next;
        /* free the temporary allocated memory */
        papi_free( curr );
        curr = tmpr;
    }                        /* end of while */

    remove( fname );
    fclose( f );
    if ( _papi_hwi_system_info.shlib_info.map )
        papi_free( _papi_hwi_system_info.shlib_info.map );
    _papi_hwi_system_info.shlib_info.map = tmp;
    _papi_hwi_system_info.shlib_info.count = t_index + 1;

    return ( PAPI_OK );

}

#endif

/* From niagara2 code */
int
_solaris_update_shlib_info( papi_mdi_t *mdi )
{
    char *file = "/proc/self/map";
    char *resolve_pattern = "/proc/self/path/%s";

    char lastobject[PRMAPSZ];
    char link[PAPI_HUGE_STR_LEN];
    char path[PAPI_HUGE_STR_LEN];

    prmap_t mapping;

    int fd, count = 0, total = 0, position = -1, first = 1;
    caddr_t t_min, t_max, d_min, d_max;

    PAPI_address_map_t *pam, *cur;

#ifdef DEBUG
    SUBDBG( "ENTERING FUNCTION  >>%s<< at %s:%d\n", __func__, __FILE__,
            __LINE__ );
#endif

    fd = open( file, O_RDONLY );

    if ( fd == -1 ) {
        return PAPI_ESYS;
    }

    memset( lastobject, 0, PRMAPSZ );

#ifdef DEBUG
    SUBDBG( " -> %s: Preprocessing memory maps from procfs\n", __func__ );
#endif

    /* Search through the list of mappings in order to identify a) how many
       mappings are available and b) how many unique mappings are available. */
    while ( read( fd, &mapping, sizeof ( prmap_t ) ) > 0 ) {
#ifdef DEBUG
        SUBDBG( " -> %s: Found a new memory map entry\n", __func__ );
#endif
        /* Another entry found, just the total count of entries. */
        total++;

        /* Is the mapping accessible and not anonymous? */
        if ( mapping.pr_mflags & ( MA_READ | MA_WRITE | MA_EXEC ) &&
             !( mapping.pr_mflags & MA_ANON ) ) {
            /* Test if a new library has been found. If a new library has been
               found a new entry needs to be counted. */
            if ( strcmp( lastobject, mapping.pr_mapname ) != 0 ) {
                strncpy( lastobject, mapping.pr_mapname, PRMAPSZ );
                count++;

#ifdef DEBUG
                SUBDBG( " -> %s: Memory mapping entry valid for %s\n", __func__,
                        mapping.pr_mapname );
#endif
            }
        }
    }
#ifdef DEBUG
    SUBDBG( " -> %s: Preprocessing done, starting to analyze\n", __func__ );
#endif


    /* Start from the beginning, now fill in the found mappings */
    if ( lseek( fd, 0, SEEK_SET ) == -1 ) {
        return PAPI_ESYS;
    }

    memset( lastobject, 0, PRMAPSZ );

    /* Allocate memory */
    pam =
        ( PAPI_address_map_t * ) papi_calloc( count,
                                              sizeof ( PAPI_address_map_t ) );

    while ( read( fd, &mapping, sizeof ( prmap_t ) ) > 0 ) {

        if ( mapping.pr_mflags & MA_ANON ) {
#ifdef DEBUG
            SUBDBG
                ( " -> %s: Anonymous mapping (MA_ANON) found for %s, skipping\n",
                  __func__, mapping.pr_mapname );
#endif
            continue;
        }

        /* Check for a new entry */
        if ( strcmp( mapping.pr_mapname, lastobject ) != 0 ) {
#ifdef DEBUG
            SUBDBG( " -> %s: Analyzing mapping for %s\n", __func__,
                    mapping.pr_mapname );
#endif
            cur = &( pam[++position] );
            strncpy( lastobject, mapping.pr_mapname, PRMAPSZ );
            snprintf( link, PAPI_HUGE_STR_LEN, resolve_pattern, lastobject );
            memset( path, 0, PAPI_HUGE_STR_LEN );
            readlink( link, path, PAPI_HUGE_STR_LEN );
            strncpy( cur->name, path, PAPI_HUGE_STR_LEN );
#ifdef DEBUG
            SUBDBG( " -> %s: Resolved name for %s: %s\n", __func__,
                    mapping.pr_mapname, cur->name );
#endif
        }

        if ( mapping.pr_mflags & MA_READ ) {
            /* Data (MA_WRITE) or text (MA_READ) segment? */
            if ( mapping.pr_mflags & MA_WRITE ) {
                cur->data_start = ( caddr_t ) mapping.pr_vaddr;
                cur->data_end =
                    ( caddr_t ) ( mapping.pr_vaddr + mapping.pr_size );

                if ( strcmp
                     ( cur->name,
                       _papi_hwi_system_info.exe_info.fullname ) == 0 ) {
                    _papi_hwi_system_info.exe_info.address_info.data_start =
                        cur->data_start;
                    _papi_hwi_system_info.exe_info.address_info.data_end =
                        cur->data_end;
                }

                if ( first )
                    d_min = cur->data_start;
                if ( first )
                    d_max = cur->data_end;

                if ( cur->data_start < d_min ) {
                    d_min = cur->data_start;
                }

                if ( cur->data_end > d_max ) {
                    d_max = cur->data_end;
                }
            } else if ( mapping.pr_mflags & MA_EXEC ) {
                cur->text_start = ( caddr_t ) mapping.pr_vaddr;
                cur->text_end =
                    ( caddr_t ) ( mapping.pr_vaddr + mapping.pr_size );

                if ( strcmp
                     ( cur->name,
                       _papi_hwi_system_info.exe_info.fullname ) == 0 ) {
                    _papi_hwi_system_info.exe_info.address_info.text_start =
                        cur->text_start;
                    _papi_hwi_system_info.exe_info.address_info.text_end =
                        cur->text_end;
                }

                if ( first )
                    t_min = cur->text_start;
                if ( first )
                    t_max = cur->text_end;

                if ( cur->text_start < t_min ) {
                    t_min = cur->text_start;
                }

                if ( cur->text_end > t_max ) {
                    t_max = cur->text_end;
                }
            }
        }

        first = 0;
    }

    close( fd );

    /* During the walk of shared objects the upper and lower bound of the
       segments could be discovered. The bounds are stored in the PAPI info
       structure. The information is important for the profiling functions of
       PAPI. */

/* This variant would pass the addresses of all text and data segments 
  _papi_hwi_system_info.exe_info.address_info.text_start = t_min;
  _papi_hwi_system_info.exe_info.address_info.text_end = t_max;
  _papi_hwi_system_info.exe_info.address_info.data_start = d_min;
  _papi_hwi_system_info.exe_info.address_info.data_end = d_max;
*/

#ifdef DEBUG
    SUBDBG( " -> %s: Analysis of memory maps done, results:\n", __func__ );
    SUBDBG( " -> %s: text_start=%x, text_end=%x, text_size=%lld\n", __func__,
            _papi_hwi_system_info.exe_info.address_info.text_start,
            _papi_hwi_system_info.exe_info.address_info.text_end,
            _papi_hwi_system_info.exe_info.address_info.text_end
            - _papi_hwi_system_info.exe_info.address_info.text_start );
    SUBDBG( " -> %s: data_start=%x, data_end=%x, data_size=%lld\n", __func__,
            _papi_hwi_system_info.exe_info.address_info.data_start,
            _papi_hwi_system_info.exe_info.address_info.data_end,
            _papi_hwi_system_info.exe_info.address_info.data_end
            - _papi_hwi_system_info.exe_info.address_info.data_start );
#endif

    /* Store the map read and the total count of shlibs found */
    _papi_hwi_system_info.shlib_info.map = pam;
    _papi_hwi_system_info.shlib_info.count = count;

#ifdef DEBUG
    SUBDBG( "LEAVING FUNCTION  >>%s<< at %s:%d\n", __func__, __FILE__,
            __LINE__ );
#endif

    return PAPI_OK;
}

#if 0
int
_niagara2_get_system_info( papi_mdi_t *mdi )
{
    // Used for evaluating return values
    int retval = 0;
    // Check for process settings
    pstatus_t *proc_status;
    psinfo_t *proc_info;
    // Used for string truncating
    char *c_ptr;
    // For retrieving the executable full name
    char exec_name[PAPI_HUGE_STR_LEN];
    // For retrieving processor information
    __sol_processor_information_t cpus;

#ifdef DEBUG
    SUBDBG( "ENTERING FUNCTION >>%s<< at %s:%d\n", __func__, __FILE__,
            __LINE__ );
#endif

    /* Get and set pid */
    pid = getpid(  );

    /* Check for microstate accounting */
    proc_status = __sol_get_proc_status( pid );

    if ( proc_status->pr_flags & PR_MSACCT == 0 ||
         proc_status->pr_flags & PR_MSFORK == 0 ) {
        /* Solaris 10 should have microstate accounting always activated */
        return PAPI_ECMP;
    }

    /* Fill _papi_hwi_system_info.exe_info.fullname */
    proc_info = __sol_get_proc_info( pid );

    // If there are arguments, trim the string to the executable name.
    if ( proc_info->pr_argc > 1 ) {
        c_ptr = strchr( proc_info->pr_psargs, ' ' );
        if ( c_ptr != NULL )
            c_ptr = '\0';
    }

    /* If the path can be qualified, use the full path, otherwise the trimmed
       name. */
    if ( realpath( proc_info->pr_psargs, exec_name ) != NULL ) {
        strncpy( _papi_hwi_system_info.exe_info.fullname, exec_name,
                 PAPI_HUGE_STR_LEN );
    } else {
        strncpy( _papi_hwi_system_info.exe_info.fullname, proc_info->pr_psargs,
                 PAPI_HUGE_STR_LEN );
    }

    /* Fill _papi_hwi_system_info.exe_info.address_info */
    // Taken from the old component
    strncpy( _papi_hwi_system_info.exe_info.address_info.name,
             basename( _papi_hwi_system_info.exe_info.fullname ),
             PAPI_HUGE_STR_LEN );
    __CHECK_ERR_PAPI( _niagara2_update_shlib_info( &_papi_hwi_system_info ) );

    /* Fill _papi_hwi_system_info.hw_info */

    // Taken from the old component
    _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.vendor = PAPI_VENDOR_SUN;
    strcpy( _papi_hwi_system_info.hw_info.vendor_string, "SUN" );
    _papi_hwi_system_info.hw_info.totalcpus = sysconf( _SC_NPROCESSORS_CONF );
    _papi_hwi_system_info.hw_info.model = 1;
    strcpy( _papi_hwi_system_info.hw_info.model_string, cpc_cciname( cpc ) );

    /* The field sparc-version is no longer in prtconf -pv */
    _papi_hwi_system_info.hw_info.revision = 1;

    /* Clock speed */
    _papi_hwi_system_info.hw_info.mhz = ( float ) __sol_get_processor_clock(  );
    _papi_hwi_system_info.hw_info.clock_mhz = __sol_get_processor_clock(  );
    _papi_hwi_system_info.hw_info.cpu_max_mhz = __sol_get_processor_clock(  );
    _papi_hwi_system_info.hw_info.cpu_min_mhz = __sol_get_processor_clock(  );

    /* Fill _niagara2_vector.cmp_info.mem_hierarchy */

    _niagara2_get_memory_info( &_papi_hwi_system_info.hw_info, 0 );

    /* Fill _papi_hwi_system_info.sub_info */
    strcpy( _niagara2_vector.cmp_info.name, "SunNiagara2" );
    strcpy( _niagara2_vector.cmp_info.version, "ALPHA" );
    strcpy( _niagara2_vector.cmp_info.support_version, "libcpc2" );
    strcpy( _niagara2_vector.cmp_info.kernel_version, "libcpc2" );

    /* libcpc2 uses SIGEMT using real hardware signals, no sw emu */

#ifdef DEBUG
    SUBDBG( "LEAVING FUNCTION  >>%s<< at %s:%d\n", __func__, __FILE__,
            __LINE__ );
#endif

    return PAPI_OK;
}

#endif

int
_solaris_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_ECMP;
    SUBDBG( "CPC version %d successfully opened\n", CPC_VER_CURRENT );

    if ( cpc_access(  ) == -1 )
        return PAPI_ECMP;

    /* Global variable cpuver */

    cpuver = cpc_getcpuver(  );
    SUBDBG( "Got %d from cpc_getcpuver()\n", cpuver );
    if ( cpuver == -1 )
        return PAPI_ECMP;

#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_ECMP;

    /* 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_ECMP;

    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 );

    _papi_hwi_system_info.hw_info.cpu_max_mhz = _papi_hwi_system_info.hw_info.mhz;
    _papi_hwi_system_info.hw_info.cpu_min_mhz = _papi_hwi_system_info.hw_info.mhz;


    /* Number of PMCs */

    retval = cpc_getnpic( cpuver );
    if ( retval < 0 )
        return PAPI_ECMP;

    _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 );
}


long long
_solaris_get_real_usec( void )
{
    return ( ( long long ) gethrtime(  ) / ( long long ) 1000 );
}

long long
_solaris_get_real_cycles( void )
{
    return ( _ultra_hwd_get_real_usec(  ) *
             ( long long ) _papi_hwi_system_info.hw_info.cpu_max_mhz );
}

long long
_solaris_get_virt_usec( void )
{
    return ( ( long long ) gethrvtime(  ) / ( long long ) 1000 );
}