pfmlib_sicortex.c File Reference

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Macros
#define	sel_event_mask   perfsel.sel_event_mask
#define	sel_exl   perfsel.sel_exl
#define	sel_os   perfsel.sel_os
#define	sel_usr   perfsel.sel_usr
#define	sel_sup   perfsel.sel_sup
#define	sel_int   perfsel.sel_int
#define	core_counters   2
#define	MAX_ICE9_PMCS   2+4+256
#define	MAX_ICE9_PMDS   2+4+256

Functions
static int	compute_ice9_counters (int type)
static int	pfm_sicortex_detect (void)
static void	stuff_sicortex_regs (pfmlib_event_t *e, int plm, pfmlib_reg_t *pc, pfmlib_reg_t *pd, int cntr, int j, pfmlib_sicortex_input_param_t *mod_in)
static int	stuff_sicortex_scb_control_regs (pfmlib_reg_t *pc, pfmlib_reg_t *pd, int num, pfmlib_sicortex_input_param_t *mod_in)
static int	pfm_sicortex_dispatch_counters (pfmlib_input_param_t *inp, pfmlib_sicortex_input_param_t *mod_in, pfmlib_output_param_t *outp)
static int	pfm_sicortex_dispatch_events (pfmlib_input_param_t *inp, void *model_in, pfmlib_output_param_t *outp, void *model_out)
static int	pfm_sicortex_get_event_code (unsigned int i, unsigned int cnt, int *code)
int	pfm_sicortex_get_event_umask (unsigned int i, unsigned long *umask)
static void	pfm_sicortex_get_event_counters (unsigned int j, pfmlib_regmask_t *counters)
static void	pfm_sicortex_get_impl_perfsel (pfmlib_regmask_t *impl_pmcs)
static void	pfm_sicortex_get_impl_perfctr (pfmlib_regmask_t *impl_pmds)
static void	pfm_sicortex_get_impl_counters (pfmlib_regmask_t *impl_counters)
static void	pfm_sicortex_get_hw_counter_width (unsigned int *width)
static char *	pfm_sicortex_get_event_name (unsigned int i)
static int	pfm_sicortex_get_event_description (unsigned int ev, char **str)
static int	pfm_sicortex_get_cycle_event (pfmlib_event_t *e)
static int	pfm_sicortex_get_inst_retired (pfmlib_event_t *e)
int	pfm_sicortex_is_cpu (unsigned int i)
int	pfm_sicortex_is_scb (unsigned int i)
int	pfm_sicortex_support_domain (unsigned int i)
int	pfm_sicortex_support_vpc_pea (unsigned int i)
static char *	pfm_sicortex_get_event_mask_name (unsigned int ev, unsigned int midx)
static int	pfm_sicortex_get_event_mask_desc (unsigned int ev, unsigned int midx, char **str)
static unsigned int	pfm_sicortex_get_num_event_masks (unsigned int ev)
static int	pfm_sicortex_get_event_mask_code (unsigned int ev, unsigned int midx, unsigned int *code)
static int	pfm_sicortex_has_umask_default (unsigned int ev)

Variables
static pme_sicortex_entry_t *	sicortex_pe = NULL
pfm_pmu_support_t	sicortex_support

Macro Definition Documentation

core_counters

#define core_counters   2

Definition at line 57 of file pfmlib_sicortex.c.

MAX_ICE9_PMCS

#define MAX_ICE9_PMCS   2+4+256

Definition at line 59 of file pfmlib_sicortex.c.

MAX_ICE9_PMDS

#define MAX_ICE9_PMDS   2+4+256

Definition at line 60 of file pfmlib_sicortex.c.

sel_event_mask

#define sel_event_mask   perfsel.sel_event_mask

Definition at line 47 of file pfmlib_sicortex.c.

sel_exl

#define sel_exl   perfsel.sel_exl

Definition at line 48 of file pfmlib_sicortex.c.

sel_int

#define sel_int   perfsel.sel_int

Definition at line 52 of file pfmlib_sicortex.c.

sel_os

#define sel_os   perfsel.sel_os

Definition at line 49 of file pfmlib_sicortex.c.

sel_sup

#define sel_sup   perfsel.sel_sup

Definition at line 51 of file pfmlib_sicortex.c.

sel_usr

#define sel_usr   perfsel.sel_usr

Definition at line 50 of file pfmlib_sicortex.c.

Function Documentation

compute_ice9_counters()

static int compute_ice9_counters ( int  type )

static

Definition at line 62 of file pfmlib_sicortex.c.

{
  int i;
  int bound = 0;
  pme_gen_mips64_entry_t *gen_mips64_pe = NULL;
  
  sicortex_support.pmd_count = 0;
  sicortex_support.pmc_count = 0;
  for (i=0;i<MAX_ICE9_PMDS;i++)
    {
      char tmp[1024];
      sprintf(tmp,"/sys/kernel/perfmon/pmu_desc/pmd%d",i);
      if (access(tmp,F_OK) == 0)
    sicortex_support.pmd_count++;
    }
  for (i=0;i<MAX_ICE9_PMCS;i++)
    {
      char tmp[1024];
      sprintf(tmp,"/sys/kernel/perfmon/pmu_desc/pmc%d",i);
      if (access(tmp,F_OK) == 0)
    sicortex_support.pmc_count++;
    }
  
  /* Compute the max */
 
  if (type == PFMLIB_MIPS_ICE9A_PMU) {
    gen_mips64_pe = gen_mips64_ice9a_pe;
//    core_counters = 2;
    bound = (sizeof(gen_mips64_ice9a_pe)/sizeof(pme_gen_mips64_entry_t));
  } else if (type == PFMLIB_MIPS_ICE9B_PMU) {
    gen_mips64_pe = gen_mips64_ice9b_pe;
//    core_counters = 2;
    bound = (sizeof(gen_mips64_ice9b_pe)/sizeof(pme_gen_mips64_entry_t));
  }
 
  /* Allocate the table */
 
  sicortex_pe = malloc(bound*sizeof(*sicortex_pe));
  if (sicortex_pe == NULL)
    return 0;
 
  /* If we find we have SCB support */
 
  if (sicortex_support.pmd_count > 2)
    {
      /* Account for 4 sampling PMD registers */
      sicortex_support.num_cnt = sicortex_support.pmd_count - 4;
      sicortex_support.pme_count = bound;
    }
  else
    {
      sicortex_support.pme_count = 0;
      /* Count up CPU only events */
      for (i=0;i<bound;i++)
    {
      unsigned int tmp = gen_mips64_pe[i].pme_counters;
      if (!(tmp & (1<<core_counters)))
        sicortex_support.pme_count++;
    }
    }
 
  for (i=0;i<bound;i++)
    {
      sicortex_pe[i].pme_name = gen_mips64_pe[i].pme_name;
      sicortex_pe[i].pme_desc = gen_mips64_pe[i].pme_desc;
      sicortex_pe[i].pme_code = gen_mips64_pe[i].pme_code;
      sicortex_pe[i].pme_counters = gen_mips64_pe[i].pme_counters;
      if (sicortex_pe[i].pme_counters & (1<<core_counters)) {
    int j;
    sicortex_pe[i].pme_numasks = PFMLIB_SICORTEX_MAX_UMASK;
    for (j=0;j<sicortex_pe[i].pme_numasks;j++)
      {
        sicortex_pe[i].pme_umasks[j].pme_uname = sicortex_scb_umasks[j].pme_uname;
        sicortex_pe[i].pme_umasks[j].pme_udesc = sicortex_scb_umasks[j].pme_udesc;
        sicortex_pe[i].pme_umasks[j].pme_ucode = sicortex_scb_umasks[j].pme_ucode;
      }
      } else {
    sicortex_pe[i].pme_numasks = 0;
    memset(sicortex_pe[i].pme_umasks,0x0,sizeof(sicortex_pe[i].pme_umasks));
      }
    }
  return 1;
}

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pfm_sicortex_detect()

static int pfm_sicortex_detect ( void  )

static

Definition at line 147 of file pfmlib_sicortex.c.

{
    static char mips_name[64] = "";
    int ret;
    char buffer[128];
    extern pfm_pmu_support_t sicortex_support;
 
    ret = __pfm_getcpuinfo_attr("cpu model", buffer, sizeof(buffer));
    if (ret == -1)
        return PFMLIB_ERR_NOTSUPP;
 
    sicortex_support.num_cnt = 0;
    if (strstr(buffer,"SiCortex ICE9A"))
      {
        if (compute_ice9_counters(PFMLIB_MIPS_ICE9A_PMU) == 0)
          return PFMLIB_ERR_NOTSUPP;
        sicortex_support.pmu_name = mips_name;
        strcpy(sicortex_support.pmu_name,"MIPSICE9A"),
        sicortex_support.pmu_type = PFMLIB_MIPS_ICE9A_PMU;
      }
    else if (strstr(buffer,"SiCortex ICE9B"))
      {
        if (compute_ice9_counters(PFMLIB_MIPS_ICE9B_PMU) == 0)
          return PFMLIB_ERR_NOTSUPP;
        sicortex_support.pmu_name = mips_name;
        strcpy(sicortex_support.pmu_name,"MIPSICE9B"),
        sicortex_support.pmu_type = PFMLIB_MIPS_ICE9B_PMU;
      }
    else
      return PFMLIB_ERR_NOTSUPP;
 
    if (sicortex_support.num_cnt == 0)
      sicortex_support.num_cnt = sicortex_support.pmd_count;
 
    return PFMLIB_SUCCESS;
}

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pfm_sicortex_dispatch_counters()

static int pfm_sicortex_dispatch_counters ( pfmlib_input_param_t *  inp, pfmlib_sicortex_input_param_t *  mod_in, pfmlib_output_param_t *  outp  )

static

Definition at line 357 of file pfmlib_sicortex.c.

{
        /* pfmlib_sicortex_input_param_t *param = mod_in; */
    pfmlib_event_t *e = inp->pfp_events;
    pfmlib_reg_t *pc, *pd;
    unsigned int i, j, cnt = inp->pfp_event_count;
    unsigned int used = 0;
    extern pfm_pmu_support_t sicortex_support;
    unsigned int cntr, avail;
 
    pc = outp->pfp_pmcs;
    pd = outp->pfp_pmds;
 
    /* Degree N rank based allocation */
    if (cnt > sicortex_support.pmc_count) return PFMLIB_ERR_TOOMANY;
 
    if (PFMLIB_DEBUG()) {
      for (j=0; j < cnt; j++) {
        DPRINT("ev[%d]=%s, counters=0x%x\n", j, sicortex_pe[e[j].event].pme_name,sicortex_pe[e[j].event].pme_counters);
      }
    }
 
      /* Do rank based allocation, counters that live on 1 reg 
       before counters that live on 2 regs etc. */
 
      /* CPU counters first */
    for (i=1;i<=core_counters;i++)
      {
        for (j=0; j < cnt;j++) 
          {
        /* CPU counters first */
        if ((sicortex_pe[e[j].event].pme_counters & ((1<<core_counters)-1)) && (pfmlib_popcnt(sicortex_pe[e[j].event].pme_counters) == i))
          {
            /* These counters can be used for this event */
            avail = ~used & sicortex_pe[e[j].event].pme_counters;
            DPRINT("Rank %d: Counters available 0x%x\n",i,avail);
            if (avail == 0x0)
              return PFMLIB_ERR_NOASSIGN;
 
            /* Pick one, mark as used*/
            cntr = ffs(avail) - 1;
            DPRINT("Rank %d: Chose counter %d\n",i,cntr);
        
            /* Update registers */
            stuff_sicortex_regs(e,inp->pfp_dfl_plm,pc,pd,cntr,j,mod_in);
            
            used |= (1 << cntr);
            DPRINT("Rank %d: Used counters 0x%x\n",i, used);
          }
          }
      }
 
      /* SCB counters can live anywhere */
    
    used = 0;
    for (j=0; j < cnt;j++) 
      {
        unsigned int cntr;
 
        /* CPU counters first */
        if (sicortex_pe[e[j].event].pme_counters & (1<<core_counters))
          {
        int k, has_ifother = 0, has_hist = 0;
        for (k=0;k<e[j].num_masks;k++)
          {
            if ((e[j].unit_masks[k] == 0) || (e[j].unit_masks[k] == 1) || (e[j].unit_masks[k] == 2)) {
              if (has_ifother)
            return PFMLIB_ERR_UMASK;
              has_ifother = 1;
            }
            else if ((e[j].unit_masks[k] == 3) || (e[j].unit_masks[k] == 4)) {
              if (has_hist)
            return PFMLIB_ERR_UMASK;
              has_hist = 1;
            }
          }
        /* These counters can be used for this event */
        avail = sicortex_support.num_cnt - core_counters - used;
        DPRINT("SCB(%d): Counters available %d\n",j,avail);
        
        cntr = (sicortex_support.num_cnt - core_counters) - avail;
        DPRINT("SCB(%d): Chose SCB counter %d\n",j,cntr);
 
        /* Update registers */
        stuff_sicortex_regs(e,inp->pfp_dfl_plm,pc,pd,cntr,j,mod_in);
        used++;
        DPRINT("SCB(%d): Used counters %d\n",j,used);
          }
      }
    if (used)
      {
        outp->pfp_pmc_count = stuff_sicortex_scb_control_regs(pc,pd,cnt,mod_in);
        outp->pfp_pmd_count = cnt;
        return PFMLIB_SUCCESS;
      }
 
    /* number of evtsel registers programmed */
    outp->pfp_pmc_count = cnt;
    outp->pfp_pmd_count = cnt;
 
    return PFMLIB_SUCCESS;
}

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pfm_sicortex_dispatch_events()

static int pfm_sicortex_dispatch_events ( pfmlib_input_param_t *  inp, void *  model_in, pfmlib_output_param_t *  outp, void *  model_out  )

static

Definition at line 461 of file pfmlib_sicortex.c.

{
    pfmlib_sicortex_input_param_t *mod_sicortex_in  = (pfmlib_sicortex_input_param_t *)model_in;
 
    return pfm_sicortex_dispatch_counters(inp, mod_sicortex_in, outp);
}

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pfm_sicortex_get_cycle_event()

static int pfm_sicortex_get_cycle_event ( pfmlib_event_t *  e )

static

Definition at line 609 of file pfmlib_sicortex.c.

{
  return pfm_find_full_event("CPU_CYCLES",e);
}

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pfm_sicortex_get_event_code()

static int pfm_sicortex_get_event_code ( unsigned int  i, unsigned int  cnt, int *  code  )

static

Definition at line 469 of file pfmlib_sicortex.c.

{
    extern pfm_pmu_support_t sicortex_support;
 
    /* check validity of counter index */
    if (cnt != PFMLIB_CNT_FIRST) {
      if (cnt < 0 || cnt >= sicortex_support.pmc_count)
        return PFMLIB_ERR_INVAL; }
    else      {
        cnt = ffs(sicortex_pe[i].pme_counters)-1;
        if (cnt == -1)
          return(PFMLIB_ERR_INVAL);
      }
 
    /* if cnt == 1, shift right by 0, if cnt == 2, shift right by 8 */
    /* Works on both 5k anf 20K */
 
        unsigned int tmp = sicortex_pe[i].pme_counters;
        /* CPU event */
        if (tmp & ((1<<core_counters)-1))
          {
        if (tmp & (1<< cnt))
          *code = 0xff & (sicortex_pe[i].pme_code >> (cnt*8));
        else
          return PFMLIB_ERR_INVAL;
          }
        /* SCB event */
        else 
          {
        if ((cnt < 6) || (cnt >= sicortex_support.pmc_count))
          return PFMLIB_ERR_INVAL;
        *code = 0xffff & (sicortex_pe[i].pme_code >> 16);
          }
 
    return PFMLIB_SUCCESS;
}

pfm_sicortex_get_event_counters()

static void pfm_sicortex_get_event_counters ( unsigned int  j, pfmlib_regmask_t *  counters  )

static

Definition at line 519 of file pfmlib_sicortex.c.

{
    extern pfm_pmu_support_t sicortex_support;
    unsigned int tmp;
 
    memset(counters, 0, sizeof(*counters));
    tmp = sicortex_pe[j].pme_counters;
 
    /* CPU counter */
    if (tmp & ((1<<core_counters)-1))
      {
        while (tmp)
          {
        int t = ffs(tmp) - 1;
        pfm_regmask_set(counters, t);
        tmp = tmp ^ (1 << t);
          }
      }
    /* SCB counter, requires first 4, then 1 of the remaining */
    else 
      {
        int i;
        for (i=6;i<sicortex_support.pmc_count;i++)
          pfm_regmask_set(counters, i);
      }
}

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pfm_sicortex_get_event_description()

static int pfm_sicortex_get_event_description ( unsigned int  ev, char **  str  )

static

Definition at line 596 of file pfmlib_sicortex.c.

{
    char *s;
    s = sicortex_pe[ev].pme_desc;
    if (s) {
        *str = strdup(s);
    } else {
        *str = NULL;
    }
    return PFMLIB_SUCCESS;
}

pfm_sicortex_get_event_mask_code()

static int pfm_sicortex_get_event_mask_code ( unsigned int  ev, unsigned int  midx, unsigned int *  code  )

static

Definition at line 693 of file pfmlib_sicortex.c.

{
  *code = sicortex_pe[ev].pme_umasks[midx].pme_ucode;
  return PFMLIB_SUCCESS;
}

pfm_sicortex_get_event_mask_desc()

static int pfm_sicortex_get_event_mask_desc ( unsigned int  ev, unsigned int  midx, char **  str  )

static

Definition at line 673 of file pfmlib_sicortex.c.

{
  char *s;
  
  s = sicortex_pe[ev].pme_umasks[midx].pme_udesc;
  if (s) {
    *str = strdup(s);
  } else {
    *str = NULL;
  }
  return PFMLIB_SUCCESS;
}

pfm_sicortex_get_event_mask_name()

static char * pfm_sicortex_get_event_mask_name ( unsigned int  ev, unsigned int  midx  )

static

Definition at line 667 of file pfmlib_sicortex.c.

{
  return sicortex_pe[ev].pme_umasks[midx].pme_uname;
}

pfm_sicortex_get_event_name()

static char * pfm_sicortex_get_event_name ( unsigned int  i )

static

Definition at line 590 of file pfmlib_sicortex.c.

{
    return sicortex_pe[i].pme_name;
}

pfm_sicortex_get_event_umask()

int pfm_sicortex_get_event_umask	(	unsigned int	i,
		unsigned long *	umask
	)

Definition at line 510 of file pfmlib_sicortex.c.

{
    extern pfm_pmu_support_t sicortex_support;
    if (i >= sicortex_support.pme_count || umask == NULL) return PFMLIB_ERR_INVAL;
    *umask = 0; //evt_umask(i);
    return PFMLIB_SUCCESS;
}

pfm_sicortex_get_hw_counter_width()

static void pfm_sicortex_get_hw_counter_width ( unsigned int *  width )

static

Definition at line 584 of file pfmlib_sicortex.c.

{
    *width = PMU_GEN_MIPS64_COUNTER_WIDTH;
}

pfm_sicortex_get_impl_counters()

static void pfm_sicortex_get_impl_counters ( pfmlib_regmask_t *  impl_counters )

static

Definition at line 567 of file pfmlib_sicortex.c.

{
    unsigned int i = 0;
    extern pfm_pmu_support_t sicortex_support;
 
    pfm_regmask_set(impl_counters, 0);
    pfm_regmask_set(impl_counters, 1);
    /* If we have the SCB turned on */
    if (sicortex_support.pmd_count > core_counters)
      {
        /* counting pmds are not contiguous on ICE9*/
        for(i=6; i < sicortex_support.pmd_count; i++) 
          pfm_regmask_set(impl_counters, i);
      }
}

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pfm_sicortex_get_impl_perfctr()

static void pfm_sicortex_get_impl_perfctr ( pfmlib_regmask_t *  impl_pmds )

static

Definition at line 557 of file pfmlib_sicortex.c.

{
    unsigned int i = 0;
    extern pfm_pmu_support_t sicortex_support;
 
    /* all pmds are contiguous */
    for(i=0; i < sicortex_support.pmd_count; i++) pfm_regmask_set(impl_pmds, i);
}

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pfm_sicortex_get_impl_perfsel()

static void pfm_sicortex_get_impl_perfsel ( pfmlib_regmask_t *  impl_pmcs )

static

Definition at line 547 of file pfmlib_sicortex.c.

{
    unsigned int i = 0;
    extern pfm_pmu_support_t sicortex_support;
 
    /* all pmcs are contiguous */
    for(i=0; i < sicortex_support.pmc_count; i++) pfm_regmask_set(impl_pmcs, i);
}

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pfm_sicortex_get_inst_retired()

static int pfm_sicortex_get_inst_retired ( pfmlib_event_t *  e )

static

Definition at line 615 of file pfmlib_sicortex.c.

{
  return pfm_find_full_event("CPU_INSEXEC",e); 
}

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pfm_sicortex_get_num_event_masks()

static unsigned int pfm_sicortex_get_num_event_masks ( unsigned int  ev )

static

Definition at line 687 of file pfmlib_sicortex.c.

{
  return sicortex_pe[ev].pme_numasks;
}

pfm_sicortex_has_umask_default()

static int pfm_sicortex_has_umask_default ( unsigned int  ev )

static

Definition at line 700 of file pfmlib_sicortex.c.

{
    /* all events have default unit mask */
    return 1;
}

pfm_sicortex_is_cpu()

int pfm_sicortex_is_cpu

(

unsigned int

i

)

Definition at line 623 of file pfmlib_sicortex.c.

{
  if (i < sicortex_support.pme_count)
    {
      unsigned int tmp = sicortex_pe[i].pme_counters;
      return !(tmp & (1<<core_counters));
    }
  return 0;
}

pfm_sicortex_is_scb()

int pfm_sicortex_is_scb

(

unsigned int

i

)

Definition at line 634 of file pfmlib_sicortex.c.

{
  if (i < sicortex_support.pme_count)
    {
      unsigned int tmp = sicortex_pe[i].pme_counters;
      return (tmp & (1<<core_counters));
    }
  return 0;
}

pfm_sicortex_support_domain()

int pfm_sicortex_support_domain

(

unsigned int

i

)

Definition at line 645 of file pfmlib_sicortex.c.

{
  if (i < sicortex_support.pme_count)
    {
      unsigned int tmp = sicortex_pe[i].pme_counters;
      return (tmp & (1<<3));
    }
  return 0;
}

pfm_sicortex_support_vpc_pea()

int pfm_sicortex_support_vpc_pea

(

unsigned int

i

)

Definition at line 656 of file pfmlib_sicortex.c.

{
  if (i < sicortex_support.pme_count)
    {
      unsigned int tmp = sicortex_pe[i].pme_counters;
      return (tmp & (1<<4));  
    }
  return 0;
}

stuff_sicortex_regs()

static void stuff_sicortex_regs ( pfmlib_event_t *  e, int  plm, pfmlib_reg_t *  pc, pfmlib_reg_t *  pd, int  cntr, int  j, pfmlib_sicortex_input_param_t *  mod_in  )

static

Definition at line 184 of file pfmlib_sicortex.c.

{
  pfm_sicortex_sel_reg_t reg;
  reg.val    = 0; /* assume reserved bits are zerooed */
  /* if plm is 0, then assume not specified per-event and use default */
  plm = e[j].plm ? e[j].plm : plm;
  reg.sel_usr = plm & PFM_PLM3 ? 1 : 0;
  reg.sel_os  = plm & PFM_PLM0 ? 1 : 0;
  reg.sel_sup = plm & PFM_PLM1 ? 1 : 0;
  reg.sel_exl = plm & PFM_PLM2 ? 1 : 0;
  reg.sel_int = 1; /* force int to 1 */
 
  /* CPU event */
  if (sicortex_pe[e[j].event].pme_counters & ((1<<core_counters)-1))
    {
      reg.sel_event_mask = (sicortex_pe[e[j].event].pme_code >> (cntr*8)) & 0xff;
      pc[j].reg_addr    = cntr*2;
      pc[j].reg_value   = reg.val;
      pc[j].reg_num     = cntr;
      
      __pfm_vbprintf("[CP0_25_%u(pmc%u)=0x%"PRIx64" event_mask=0x%x usr=%d os=%d sup=%d exl=%d int=1] %s\n",
             pc[j].reg_addr,
             pc[j].reg_num,
             pc[j].reg_value,
             reg.sel_event_mask,
             reg.sel_usr,
             reg.sel_os,
             reg.sel_sup,
             reg.sel_exl,
             sicortex_pe[e[j].event].pme_name);
      
      pd[j].reg_num  = cntr;
      pd[j].reg_addr = cntr*2 + 1;
      
      __pfm_vbprintf("[CP0_25_%u(pmd%u)]\n",
             pc[j].reg_addr,
             pc[j].reg_num);
      
    }
  /* SCB event */
  else
    {
      pmc_sicortex_scb_reg_t scbreg;
      int k;
      scbreg.val = 0;
      scbreg.sicortex_ScbPerfBucket_reg.event = sicortex_pe[e[j].event].pme_code >> 16;
      for (k=0;k<e[j].num_masks;k++)
    {
      if (e[j].unit_masks[k] == 4)
        scbreg.sicortex_ScbPerfBucket_reg.hist = 0x1;
      else if (e[j].unit_masks[k] == 1)
        scbreg.sicortex_ScbPerfBucket_reg.ifOther = 0x1;
      else if (e[j].unit_masks[k] == 2)
        scbreg.sicortex_ScbPerfBucket_reg.ifOther = 0x2;
    }
      __pfm_vbprintf("[ScbPerfBucket[%u](pmc%u)=0x%"PRIx64" event=0x%x hist=%d ifOther=0x%x]\n",
             cntr,cntr+6,scbreg.val,
             scbreg.sicortex_ScbPerfBucket_reg.event,
             scbreg.sicortex_ScbPerfBucket_reg.hist,
             scbreg.sicortex_ScbPerfBucket_reg.ifOther);
      
      pc[j].reg_addr    = cntr;
      pc[j].reg_value   = scbreg.val;
      pc[j].reg_num     = cntr + 6;
      
      pd[j].reg_addr = cntr;
      pd[j].reg_num  = cntr + 6;
      
      __pfm_vbprintf("[ScbPerfCount[%u](pmd%u)]\n",
             pc[j].reg_addr,
             pc[j].reg_num);
      
    }
}

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stuff_sicortex_scb_control_regs()

static int stuff_sicortex_scb_control_regs ( pfmlib_reg_t *  pc, pfmlib_reg_t *  pd, int  num, pfmlib_sicortex_input_param_t *  mod_in  )

static

Definition at line 259 of file pfmlib_sicortex.c.

{
  pmc_sicortex_scb_reg_t two;
  pmc_sicortex_scb_reg_t three;
  pmc_sicortex_scb_reg_t four;
  pmc_sicortex_scb_reg_t five;
 
  // __pfm_vbprintf("num = %d\n",num);
  
  /* The kernel will enforce most of these, see perfmon_ice9.c in the kernel */
 
  /* ScbPerfCtl */
 
  pc[num].reg_num = 2; 
  pc[num].reg_addr = 2; 
  two.val = 0;
  if (mod_in && (mod_in->flags & PFMLIB_SICORTEX_INPUT_SCB_INTERVAL))
    {
      two.sicortex_ScbPerfCtl_reg.Interval = mod_in->pfp_sicortex_scb_global.Interval;
    }
  else
    {
      two.sicortex_ScbPerfCtl_reg.Interval = 6;  /* 2048 cycles */
    }
  if (mod_in && (mod_in->flags & PFMLIB_SICORTEX_INPUT_SCB_NOINC))
    {
      two.sicortex_ScbPerfCtl_reg.NoInc = mod_in->pfp_sicortex_scb_global.NoInc;  
    }
  else
    {
      two.sicortex_ScbPerfCtl_reg.NoInc = 0;
    }
 
  two.sicortex_ScbPerfCtl_reg.IntBit = 31;   /* Interrupt on last bit */
  two.sicortex_ScbPerfCtl_reg.MagicEvent = 0;
  two.sicortex_ScbPerfCtl_reg.AddrAssert = 1;
 
  __pfm_vbprintf("[Scb%s(pmc%u)=0x%"PRIx64" Interval=0x%x IntBit=0x%x NoInc=%d AddrAssert=%d MagicEvent=0x%x]\n","PerfCtl",
         pc[num].reg_num,
         two.val,
         two.sicortex_ScbPerfCtl_reg.Interval,
         two.sicortex_ScbPerfCtl_reg.IntBit,
         two.sicortex_ScbPerfCtl_reg.NoInc,
         two.sicortex_ScbPerfCtl_reg.AddrAssert,
         two.sicortex_ScbPerfCtl_reg.MagicEvent);
  pc[num].reg_value = two.val;
 
  /*ScbPerfHist */
 
  pc[++num].reg_num = 3; 
  pc[num].reg_addr = 3;
  three.val = 0;
  if (mod_in && (mod_in->flags & PFMLIB_SICORTEX_INPUT_SCB_HISTGTE))
    three.sicortex_ScbPerfHist_reg.HistGte = mod_in->pfp_sicortex_scb_global.HistGte;
  else
    three.sicortex_ScbPerfHist_reg.HistGte = 1;
 
  __pfm_vbprintf("[Scb%s(pmc%u)=0x%"PRIx64" HistGte=0x%x]\n","PerfHist",
         pc[num].reg_num,
         three.val,
         three.sicortex_ScbPerfHist_reg.HistGte);
  pc[num].reg_value = three.val;
 
  /*ScbPerfBuckNum */
 
  pc[++num].reg_num = 4; 
  pc[num].reg_addr = 4;
  four.val = 0;
  if (mod_in && (mod_in->flags & PFMLIB_SICORTEX_INPUT_SCB_BUCKET))
    four.sicortex_ScbPerfBuckNum_reg.Bucket = mod_in->pfp_sicortex_scb_global.Bucket;
  else
    four.sicortex_ScbPerfBuckNum_reg.Bucket = 0;
  __pfm_vbprintf("[Scb%s(pmc%u)=0x%"PRIx64" Bucket=0x%x]\n","PerfBuckNum",
         pc[num].reg_num,
         four.val,
         four.sicortex_ScbPerfBuckNum_reg.Bucket);
  pc[num].reg_value = four.val;
 
  /*ScbPerfEna */
 
  pc[++num].reg_num = 5; 
  pc[num].reg_addr = 5;
  five.val = 0;
  five.sicortex_ScbPerfEna_reg.ena = 1;
  __pfm_vbprintf("[Scb%s(pmc%u)=0x%"PRIx64" ena=%d]\n","PerfEna",
         pc[num].reg_num,
         five.val,
         five.sicortex_ScbPerfEna_reg.ena);
  pc[num].reg_value = five.val;
  ++num;
  return(num);
}

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Variable Documentation

sicortex_pe

pme_sicortex_entry_t* sicortex_pe = NULL

static

Definition at line 54 of file pfmlib_sicortex.c.

sicortex_support

pfm_pmu_support_t sicortex_support

Initial value:

= {
    .pmu_name       = NULL,
    .pmu_type       = PFMLIB_UNKNOWN_PMU,
    .pme_count      = 0,
    .pmc_count      = 0,
    .pmd_count      = 0,
    .num_cnt        = 0,
    .flags          = PFMLIB_MULT_CODE_EVENT,
    .get_event_code     = pfm_sicortex_get_event_code,
    .get_event_name     = pfm_sicortex_get_event_name,
    .get_event_counters = pfm_sicortex_get_event_counters,
    .dispatch_events    = pfm_sicortex_dispatch_events,
    .pmu_detect     = pfm_sicortex_detect,
    .get_impl_pmcs      = pfm_sicortex_get_impl_perfsel,
    .get_impl_pmds      = pfm_sicortex_get_impl_perfctr,
    .get_impl_counters  = pfm_sicortex_get_impl_counters,
    .get_hw_counter_width   = pfm_sicortex_get_hw_counter_width,
    .get_event_desc         = pfm_sicortex_get_event_description,
    .get_num_event_masks    = pfm_sicortex_get_num_event_masks,
    .get_event_mask_name    = pfm_sicortex_get_event_mask_name,
    .get_event_mask_code    = pfm_sicortex_get_event_mask_code,
    .get_event_mask_desc    = pfm_sicortex_get_event_mask_desc,
    .get_cycle_event    = pfm_sicortex_get_cycle_event,
    .get_inst_retired_event = pfm_sicortex_get_inst_retired,
    .has_umask_default  = pfm_sicortex_has_umask_default
}

Definition at line 706 of file pfmlib_sicortex.c.