| # Gaudi Framework, version v23r0 |

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Public Member Functions | Private Types | Private Member Functions | Static Private Member Functions | Private Attributes

# PerfMonAuditor Class Reference

Performance Monitoring Auditor that uses Perfmon2 library to monitor algorithms. More...

Inheritance diagram for PerfMonAuditor:
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Collaboration diagram for PerfMonAuditor:
[legend]

List of all members.

## Public Member Functions
virtual void | before (StandardEventType evt, INamedInterface *alg)
| The following methods are meant to be implemented by the child class...
virtual void | after (StandardEventType evt, INamedInterface *alg, const StatusCode &sc)
virtual StatusCode | initialize ()
virtual StatusCode | finalize ()
int | is_nehalem ()
| PerfMonAuditor (const std::string &name, ISvcLocator *pSvc)
virtual | ~PerfMonAuditor ()
## Private Types
typedef GaudiUtils::VectorMap < const INamedInterface *, int > | Map
## Private Member Functions
void | i_beforeInitialize (INamedInterface *alg)
void | i_afterInitialize (INamedInterface *alg)
void | i_beforeExecute (INamedInterface *alg)
void | i_afterExecute (INamedInterface *alg)
| PerfMonAuditor ()
| PerfMonAuditor (const PerfMonAuditor &)
PerfMonAuditor & | operator= (const PerfMonAuditor &)
void | startpm ()
void | pausepm ()
void | stoppm ()
void | finalizepm ()
int | detect_unavail_pmu_regs (int fd, pfmlib_regmask_t *r_pmcs, pfmlib_regmask_t *r_pmds)
int | detect_unavail_pmcs (int fd, pfmlib_regmask_t *r_pmcs)
void | pfm_bv_set (uint64_t *bv, uint16_t rnum)
int | pfm_bv_isset (uint64_t *bv, uint16_t rnum)
void | pfm_bv_copy (uint64_t *d, uint64_t *j, uint16_t n)
void | start_smpl ()
void | stop_smpl ()
void | finalize_smpl ()
## Static Private Member Functions
static void | process_smpl_buf (pfm_dfl_smpl_hdr_t *hdr, size_t entry_size)
static void | sigio_handler (int, struct siginfo *, struct sigcontext *)
## Private Attributes
PFMon & | m_pfm
Map | m_map
int | m_indent
bool | m_inEvent
int | is_nehalem_ret
pfmlib_input_param_t | inp
pfmlib_output_param_t | outp
pfarg_ctx_t | ctx
pfarg_pmd_t | pd [NUM_PMDS]
pfarg_pmc_t | pc [NUM_PMCS]
pfarg_load_t | load_arg
int | fd
unsigned int | i
int | ret
std::string | event_str [MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS]
std::string | prefix
std::string | family
char | event_cstr [MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS][MAX_EVENT_NAME_LENGTH]
char | prefix_cstr [MAX_PREFIX_NAME_LENGTH]
unsigned int | ph_ev_count
bool | inv [MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS]
unsigned int | cmask [MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS]
unsigned int | start_at_event
pfmlib_core_input_param_t | params
pfmlib_nhm_input_param_t | nhm_params
int | used_counters_number
bool | nehalem
bool | westmere
bool | core
bool | sampling
pfm_dfl_smpl_arg_t | buf_arg
pfarg_load_t | load_args
void * | buf_addr
unsigned | num_counters
unsigned int | max_pmd
pfmlib_options_t | pfmlib_options
int | level
bool | first_alg
std::string | first_alg_name
bool | event_count_reached

## Detailed Description

Performance Monitoring Auditor that uses Perfmon2 library to monitor algorithms.

Author:
  Daniele Francesco KRUSE daniele.francesco.kruse@cern.ch

Date:
  2009-10-28

Definition at line 196 of file PerfMonAuditor.cpp.

## Member Typedef Documentation

typedef GaudiUtils::VectorMap<const INamedInterface*,int> PerfMonAuditor::Map`[private]`

Definition at line 350 of file PerfMonAuditor.cpp.

## Constructor & Destructor Documentation

PerfMonAuditor::PerfMonAuditor | ( | const std::string & | name,
|  | ISvcLocator * | pSvc
| ) |  | `[inline]`

Definition at line 268 of file PerfMonAuditor.cpp.

                                                              :     // standard constructor
       Auditor(name, pSvc),
       m_pfm(PFMon::instance()),
       m_map(),
       m_indent(0),
       m_inEvent(false)
      {
    is_nehalem_ret = is_nehalem();
    declareProperty("EVENT0", event_str[0]);
    declareProperty("EVENT1", event_str[1]);
    declareProperty("EVENT2", event_str[2]);
    declareProperty("EVENT3", event_str[3]);
    declareProperty("FAMILY", family);
    declareProperty("PREFIX", prefix);
    declareProperty("INV0", inv[0]);
    declareProperty("INV1", inv[1]);
    declareProperty("INV2", inv[2]);
    declareProperty("INV3", inv[3]);
    declareProperty("CMASK0", cmask[0]);
    declareProperty("CMASK1", cmask[1]);
    declareProperty("CMASK2", cmask[2]);
    declareProperty("CMASK3", cmask[3]);
    declareProperty("SP0", sp[0]);
    declareProperty("SP1", sp[1]);
    declareProperty("SP2", sp[2]);
    declareProperty("SP3", sp[3]);
    declareProperty("SAMPLE", sampling);
    declareProperty("START_AT_EVENT", start_at_event);
    declareProperty("IS_NEHALEM", is_nehalem_ret);

    // MsgStream log(msgSvc(), name());

    /*
    // loading functions from PFM library
      void* handle = dlopen("libpfm.so", RTLD_NOW);
        if (!handle) {
    //      log << MSG::ERROR << "Cannot open library: " << dlerror() << endmsg;
        }
      typedef void (*hello_t)();
        hello_t hello = (hello_t) dlsym(handle, "hello");
        if (!hello) {
    //        log << MSG::ERROR << "Cannot load symbol 'hello': " << dlerror() << endmsg;
            dlclose(handle);
        }

        pfm_start = (pfm_start_t) dlsym(handle, "pfm_start");
        pfm_stop = (pfm_stop_t) dlsym(handle, "pfm_stop");
        pfm_self_stop = (pfm_self_stop_t) dlsym(handle, "pfm_stop"); //it's the same
        pfm_restart = (pfm_restart_t) dlsym(handle, "pfm_restart");
        //pfm_read_pmds = (pfm_read_pmds_t) dlsym(handle, "pfm_read_pmds");
        pfm_initialize = (pfm_initialize_t) dlsym(handle, "pfm_initialize");
        pfm_find_full_event = (pfm_find_full_event_t) dlsym(handle, "pfm_find_full_event");
        pfm_dispatch_events = (pfm_dispatch_events_t) dlsym(handle, "pfm_dispatch_events");
        pfm_create_context = (pfm_create_context_t) dlsym(handle, "pfm_create_context");
        pfm_write_pmcs = (pfm_write_pmcs_t) dlsym(handle, "pfm_write_pmcs");
        pfm_write_pmds = (pfm_write_pmds_t) dlsym(handle, "pfm_write_pmds");
        pfm_load_context = (pfm_load_context_t) dlsym(handle, "pfm_load_context");
        pfm_strerror = (pfm_strerror_t) dlsym(handle, "pfm_strerror");
        pfm_set_options = (pfm_set_options_t) dlsym(handle, "pfm_set_options");
        pfm_get_num_counters = (pfm_get_num_counters_t) dlsym(handle, "pfm_get_num_counters");
        // use it to do the calculation
    //    log << MSG::INFO << "Calling hello..." << endmsg;
    //    hello();

        // close the library
    //    log << MSG::INFO << "Closing library..." << endmsg;
        dlclose(handle);
    */

      }

virtual PerfMonAuditor::~PerfMonAuditor | ( | ) | `[inline, virtual]`

Definition at line 342 of file PerfMonAuditor.cpp.

    {}                                    // virtual destructor

PerfMonAuditor::PerfMonAuditor | ( | ) | `[private]`

PerfMonAuditor::PerfMonAuditor | ( | const PerfMonAuditor & | ) | `[private]`

## Member Function Documentation

void PerfMonAuditor::after | ( | StandardEventType | evt,
|  | INamedInterface * | alg,
|  | const StatusCode & | sc
| ) |  | `[virtual]`

Reimplemented from Auditor.

Definition at line 1065 of file PerfMonAuditor.cpp.

    {
     switch(evt)
     {
      case IAuditor::Initialize:
       i_afterInitialize(alg);
       break;
      case IAuditor::Execute:
       i_afterExecute(alg);
       break;
      default:
       break;
     }
     return;
    }

void PerfMonAuditor::before | ( | StandardEventType | evt,
|  | INamedInterface * | obj
| ) |  | `[virtual]`

The following methods are meant to be implemented by the child class...

Reimplemented from Auditor.

Definition at line 1049 of file PerfMonAuditor.cpp.

    {
     switch(evt)
     {
      case IAuditor::Initialize:
       i_beforeInitialize(alg);
       break;
      case IAuditor::Execute:
       i_beforeExecute(alg);
       break;
      default:
       break;
     }
     return;
    }

int PerfMonAuditor::detect_unavail_pmcs | ( | int | fd,
|  | pfmlib_regmask_t * | r_pmcs
| ) |  | `[inline, private]`

Definition at line 389 of file PerfMonAuditor.cpp.

    {return detect_unavail_pmu_regs(fd, r_pmcs, NULL);}

int PerfMonAuditor::detect_unavail_pmu_regs | ( | int | fd,
|  | pfmlib_regmask_t * | r_pmcs,
|  | pfmlib_regmask_t * | r_pmds
| ) |  | `[private]`

StatusCode PerfMonAuditor::finalize | ( | ) | `[virtual]`

Reimplemented from Auditor.

Definition at line 1041 of file PerfMonAuditor.cpp.

    {
     if(sampling == 0) finalizepm();
     else finalize_smpl();
     return Auditor::finalize();
    }

void PerfMonAuditor::finalize_smpl | ( | ) | `[private]`

Definition at line 919 of file PerfMonAuditor.cpp.

    {
       MsgStream log(msgSvc(), name());
       char filename[MAX_OUTPUT_FILENAME_LENGTH];
       bzero(filename, MAX_OUTPUT_FILENAME_LENGTH);
       char to_cat[50];
       gzFile outfile;
       int err;
       for(int i=0; i<used_counters_number; i++)
       {
        sprintf(filename, "%s_%s", prefix_cstr, event_cstr[i]);
        for(int j=0; j<(int)strlen(filename); j++)
        {
         if(filename[j]==':')
         {
          filename[j]='-';
         }
        }
        bzero(to_cat, 50);
        if(inv[i])
        {
         strcpy(to_cat, "_INV_1");
        }
        if(cmask[i]>0)
        {
         sprintf(to_cat, "%s_CMASK_%d", to_cat, cmask[i]);
        }
        sprintf(filename, "%s%s.txt.gz", filename, to_cat);
        outfile = gzopen(filename, "wb");
        if(outfile!=NULL)
        {
         if(nehalem)
         {
          gzprintf(outfile, "NHM ");
         }
         else if(westmere)
         {
          gzprintf(outfile, "WSM ");
         }
         else if(core)
         {
          gzprintf(outfile, "CORE ");
         }
         if(gzprintf(outfile, "%s %d %d %d\n", event_cstr[i], cmask[i], inv[i], sp[i]) < (int)strlen(event_cstr[i]))
         {
          log << MSG::ERROR << "ERROR: gzputs err: " << gzerror(outfile, &err) << ". Aborting..." << endmsg;
         }
         for(std::map<std::string, std::map<unsigned long, unsigned int> >::iterator it=samples[i].begin(); it!=samples[i].end(); it++)
         {
          unsigned long long sum = 0;
          for(std::map<unsigned long, unsigned int>::iterator jt=(it->second).begin(); jt!=(it->second).end(); jt++)
          {
           sum += jt->second;
          }
          if(gzprintf(outfile, "%s%%%llu\n", (it->first).c_str(), sum) < (int)((it->first).length()))
          {
           log << MSG::ERROR << "ERROR: gzputs err: " << gzerror(outfile, &err) << ". Aborting..." << endmsg;
          }
          for(std::map<unsigned long, unsigned int>::iterator jt=(it->second).begin(); jt!=(it->second).end(); jt++)
          {
           char sym_name[SYM_NAME_MAX_LENGTH];
           bzero(sym_name, SYM_NAME_MAX_LENGTH);
           const char *libName;
           const char *symbolName;
           int libOffset = 0;
           int offset = 0;
           void *sym_addr = IgHookTrace::tosymbol((void *)(jt->first));
           if(sym_addr != NULL)
           {
            bool success = IgHookTrace::symbol(sym_addr, symbolName, libName, offset, libOffset);
            if(success)
            {
             if(symbolName!=NULL && strlen(symbolName)>0)
             {
              strcpy(sym_name, symbolName);
              strcat(sym_name, " ");
             }
             else
             {
              strcpy(sym_name, "??? ");
             }
             if(libName!=NULL && strlen(libName)>0)
             {
              strcat(sym_name, libName);
              strcat(sym_name, " ");
             }
             else
             {
              strcat(sym_name, "??? ");
             }
             sprintf(sym_name, "%s%d ", sym_name, libOffset);
             if(strlen(sym_name)<=0)
             {
              log << MSG::ERROR << "ERROR: Symbol name length is zero. Aborting..." << endmsg;
             }
            }
            else
            {
             strcpy(sym_name,"??? ??? 0 ");
            }
           }
           else
           {
            strcpy(sym_name,"??? ??? 0 ");
           }
           if(gzprintf(outfile, "%s %d\n", sym_name, jt->second) < (int)strlen(sym_name))
           {
            log << MSG::ERROR << "ERROR: gzputs err: " << gzerror(outfile, &err) << endmsg;
           }
          }
         }
        }
        else
        {
         log << MSG::ERROR << "ERROR: Could not open file: " << filename << ". Aborting..." << endmsg;
        }
        gzclose(outfile);
       }
      }

void PerfMonAuditor::finalizepm | ( | ) | `[private]`

Definition at line 542 of file PerfMonAuditor.cpp.

    {
     MsgStream log(msgSvc(), name());
       log << MSG::INFO << "start of finalizepm ucn:" << used_counters_number << endmsg;
       char filename[MAX_OUTPUT_FILENAME_LENGTH];
       char to_cat[50];
       FILE *outfile;
       for(int i=0; i<used_counters_number; i++)
       {
        bzero(filename, MAX_OUTPUT_FILENAME_LENGTH);
        sprintf(filename, "%s_%s", prefix_cstr, event_cstr[i]);
        for(int j=0; j<(int)strlen(filename); j++)
        {
         if(filename[j]==':')
         {
          filename[j]='-';
         }
        }
        bzero(to_cat, 50);
        if(inv[i])
        {
         strcpy(to_cat, "_INV_1");
        }
        if(cmask[i]>0)
        {
         sprintf(to_cat, "%s_CMASK_%d", to_cat, cmask[i]);
        }
        sprintf(filename, "%s%s.txt", filename, to_cat);
        log << MSG::INFO << "Filename:" << filename << endmsg;
        outfile = fopen(filename, "w");
        if(nehalem)
        {
         fprintf(outfile, "NHM ");
        }
        else if(westmere)
        {
         fprintf(outfile, "WSM ");
        }
        else if(core)
        {
         fprintf(outfile, "CORE ");
        }
        fprintf(outfile, "%s %d %d %d\n", event_cstr[i], cmask[i], inv[i], sp[i]);
        for(std::map<std::string, std::vector<unsigned long int> >::iterator it=(results[i]).begin(); it!=(results[i]).end(); it++)
        {
         fprintf(outfile, "%s\n", (it->first).c_str());
         for(std::vector<unsigned long int>::iterator j=(it->second).begin(); j!=(it->second).end(); j++)
         {
          fprintf(outfile, "%lu\n", *j);
         }
        }
        fclose(outfile);
       }
    }

void PerfMonAuditor::i_afterExecute | ( | INamedInterface * | alg ) | `[private]`

Definition at line 1144 of file PerfMonAuditor.cpp.

    {
     MsgStream log(msgSvc(), name());
     if(alg == 0)
     {
      return;
     }// log << MSG::INFO << "after:inside! " << alg->name() << endmsg;

     if(event_count_reached)
     {
       //log << MSG::INFO << "after:inside! " << alg->name() << endmsg;

      if(sampling == 0) stoppm();
      else stop_smpl();
      alg_stack.pop();
      --m_indent;
      if(!alg_stack.empty())
      {
       if(sampling == 0) startpm();
       else start_smpl(); //resuming father algorithm counting
       }
     }
     return;
    }

void PerfMonAuditor::i_afterInitialize | ( | INamedInterface * | alg ) | `[private]`

Definition at line 1090 of file PerfMonAuditor.cpp.

    {
     if(alg == 0)
     {
      return;
     }
     return;
    }

void PerfMonAuditor::i_beforeExecute | ( | INamedInterface * | alg ) | `[private]`

Definition at line 1099 of file PerfMonAuditor.cpp.

    {
     MsgStream log(msgSvc(), name());
     if(alg == 0)
     {
      return;
     }
     //log << MSG::INFO << "before:inside! " << alg->name() << endmsg;
     if(first_alg)
     {
      first_alg = false;
      first_alg_name = alg->name();
      //log << MSG::INFO << "first_alg_name= " << alg->name() << endmsg;
     }
     if(!event_count_reached)
     {
      if(!first_alg_name.compare(alg->name()))
      {
       ph_ev_count++;
       //log << MSG::INFO << "EVENT COUNT: " << ph_ev_count << endmsg;
       if(ph_ev_count==start_at_event)
       {
        event_count_reached = true;
        //log << MSG::INFO << "!!! EVENT COUNT REACHED: " << ph_ev_count << endmsg;
       }
      }
     }
     if(event_count_reached)
     {
       //log << MSG::INFO << "before:inside! " << alg->name() << endmsg;

      if(!alg_stack.empty())
      {
       if(sampling == 0) pausepm(); //pausing father algorithm counting
       else stop_smpl();
      }
      ++m_indent;
      std::vector <unsigned long int> zeroes(4,0);
      alg_stack.push(std::make_pair(alg, zeroes));
      if(sampling == 0) startpm();
      else start_smpl();
     }
     return;
    }

void PerfMonAuditor::i_beforeInitialize | ( | INamedInterface * | alg ) | `[private]`

Definition at line 1081 of file PerfMonAuditor.cpp.

    {
     if(alg == 0)
     {
      return;
     }
     return;
    }

StatusCode PerfMonAuditor::initialize | ( | ) | `[virtual]`

Reimplemented from Auditor.

Definition at line 597 of file PerfMonAuditor.cpp.

    {
     MsgStream log(msgSvc(), name());

     if (!m_pfm.loaded) {
      log << MSG::ERROR << "pfm library could not be loaded" << endmsg;
      return false;
     }

     log << MSG::INFO << "Initializing..." << endmsg;
     StatusCode sc = Auditor::initialize() ;
     if(sc.isFailure())
     {
      return sc;
     }
       used_counters_number = 0;
       for(int i=0; i<MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS; i++)
       {
        if(event_str[i].length()>0) used_counters_number++;
       }
       for(int i=0; i<MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS; i++)
       {
        strcpy(event_cstr[i], event_str[i].c_str());
       }
       strcpy(prefix_cstr, prefix.c_str());

     if(m_pfm.pfm_initialize() != PFMLIB_SUCCESS)
     {
     log << MSG::ERROR << "Cannot initialize perfmon!!" << endmsg;
     }
     ph_ev_count = 0;
     first_alg = true;
     event_count_reached = false;
     nehalem = false;
     core = false;
     westmere = false;
     if(family.compare("CORE")==0) core = true;
     else if(family.compare("NEHALEM")==0) nehalem = true;
     else if(family.compare("WESTMERE")==0) westmere = true;
     else
     {
      log << MSG::ERROR << "ERROR: Unsupported processor family " << family  << ". aborting..." << endmsg;
     }

     log << MSG::INFO << "Initialized!" << endmsg;
     return StatusCode::SUCCESS ;
    }

int PerfMonAuditor::is_nehalem | ( | ) | `[inline]`

Definition at line 213 of file PerfMonAuditor.cpp.

                       {
    #ifdef __ICC
    // Disable ICC remark #593: variable "x" was set but never used
    #pragma warning(push)
    #pragma warning(disable:593)
    #endif
        int a,b,c,d;
        cpuid(1,a,b,c,d);
        int sse4_2_mask = 1 << 20;
        if(c & sse4_2_mask) return 1; else return 0;
    #ifdef __ICC
    #pragma warning(pop)
    #endif
      }

PerfMonAuditor& PerfMonAuditor::operator= | ( | const PerfMonAuditor & | ) | `[private]`

void PerfMonAuditor::pausepm | ( | ) | `[private]`

Definition at line 521 of file PerfMonAuditor.cpp.

    {
     MsgStream log(msgSvc(), name());
     m_pfm.pfm_stop(fd);
     if(m_pfm.pfm_read_pmds(fd, pd, inp.pfp_event_count) == -1)
     {
      log << MSG::ERROR << "Could not read pmds" << endmsg;
     }

       for(int i=0; i<used_counters_number; i++)
       {
     alg_stack.top().second[i] += pd[i].reg_value;
       }

     close(fd);
    }

void PerfMonAuditor::pfm_bv_copy | ( | uint64_t * | d,
|  | uint64_t * | j,
|  | uint16_t | n
| ) |  | `[inline, private]`

Definition at line 392 of file PerfMonAuditor.cpp.

    {if(n<=BPL) *d = *j; else {memcpy(d, j, (n>>LBPL)*sizeof(uint64_t));}}

int PerfMonAuditor::pfm_bv_isset | ( | uint64_t * | bv,
|  | uint16_t | rnum
| ) |  | `[inline, private]`

Definition at line 391 of file PerfMonAuditor.cpp.

    {return bv[rnum>>LBPL] & (1UL <<(rnum&(BPL-1))) ? 1 : 0;}

void PerfMonAuditor::pfm_bv_set | ( | uint64_t * | bv,
|  | uint16_t | rnum
| ) |  | `[inline, private]`

Definition at line 390 of file PerfMonAuditor.cpp.

    {bv[rnum>>LBPL] |= 1UL << (rnum&(BPL-1));}

void PerfMonAuditor::process_smpl_buf | ( | pfm_dfl_smpl_hdr_t * | hdr,
|  | size_t | entry_size
| ) |  | `[static, private]`

Definition at line 649 of file PerfMonAuditor.cpp.

    {
       pfm_dfl_smpl_entry_t *ent;
       size_t pos, count;
       uint64_t entry;
       if(hdr->hdr_overflows == last_overflow && hdr->hdr_count == last_count)
       {
        printf("skipping identical set of samples...\n");
        return;
       }
       count = hdr->hdr_count;
       ent = (pfm_dfl_smpl_entry_t *)(hdr+1);
       pos = (unsigned long)ent;
       entry = collected_samples;
       while(count--)
       {
        //if(ent->ovfl_pmd>=0 && ent->ovfl_pmd<=3)
        if(ent->ovfl_pmd<=3)
        {
         ((samples[ent->ovfl_pmd])[(alg_stack.top().first)->name()])[(unsigned long)(ent->ip)]++;
        }
        pos += entry_size;
        ent = (pfm_dfl_smpl_entry_t *)pos;
        entry++;
       }
       collected_samples = entry;
       last_overflow = hdr->hdr_overflows;
       if (last_count != hdr->hdr_count && (last_count || last_overflow == 0))
       {
        collected_partial += hdr->hdr_count;
       }
       last_count = hdr->hdr_count;
     return;
    }

void PerfMonAuditor::sigio_handler | ( | int | ,
|  | struct siginfo * | ,
|  | struct sigcontext * |
| ) |  | `[static, private]`

Definition at line 690 of file PerfMonAuditor.cpp.

    {
       //MsgStream log(msgSvc(), name());
       PFMon& pfm = PFMon::instance();
       pfarg_msg_t msg;
       int fd = ctx_fd;
       int r;
       if(fd != ctx_fd)
       {
        //log << MSG::ERROR << "ERROR: handler does not get valid file descriptor. Aborting..." << endmsg;
       }
       if(pfm.pfm_read_pmds(fd, pd_smpl+1, 1) == -1)
       {
        //log << MSG::ERROR << "ERROR: pfm_read_pmds: " << strerror(errno) << ". Aborting..." << endmsg;
       }
       while(true)
       {
        r = read(fd, &msg, sizeof(msg));
        if(r!=sizeof(msg))
        {
         if(r==-1 && errno==EINTR)
         {
          printf("read interrupted, retrying\n");
          continue;
         }
         //log << MSG::ERROR << "ERROR: cannot read overflow message: " << strerror(errno) << ". Aborting..." << endmsg;
        }
        break;
       }
       switch(msg.type)
       {
        case PFM_MSG_OVFL: // the sampling buffer is full
         process_smpl_buf(hdr, entry_size);
         ovfl_count++;
         if(pfm.pfm_restart(fd))
         {
          if(errno!=EBUSY)
          {
           //log << MSG::ERROR << "ERROR: pfm_restart error errno " << errno << ". Aborting..." << endmsg;
          }
          else
          {
           printf("pfm_restart: task probably terminated \n");
          }
         }
         break;
        default:
         //log << MSG::ERROR << "ERROR: unknown message type " << msg.type << ". Aborting..." << endmsg;
         break;
       }

    }

void PerfMonAuditor::start_smpl | ( | ) | `[private]`

Definition at line 752 of file PerfMonAuditor.cpp.

    {
       MsgStream log(msgSvc(), name());
       ovfl_count = 0;
       num_smpl_pmds = 0;
       last_overflow = ~0;
       max_pmd = 0;
       memset(&pfmlib_options, 0, sizeof(pfmlib_options));
       pfmlib_options.pfm_debug   = 0;
       pfmlib_options.pfm_verbose = 0;
       m_pfm.pfm_set_options(&pfmlib_options);
       ret = m_pfm.pfm_initialize();
       if(ret != PFMLIB_SUCCESS)
       {
        log << MSG::ERROR << "ERROR: Cannot initialize library: " << m_pfm.pfm_strerror(ret) << ". Aborting..." << endmsg;
       }
       struct sigaction act;
       memset(&act, 0, sizeof(act));
       act.sa_handler = (sig_t)sigio_handler; // dlopen() ==>
       //act.sa_handler = (sig_t)&sigio_handler;
       sigaction(SIGIO, &act, 0);
       memset(&ctx, 0, sizeof(ctx));
       memset(&buf_arg, 0, sizeof(buf_arg));
       memset(&inp,0, sizeof(inp));
       memset(&outp,0, sizeof(outp));
       memset(pd_smpl, 0, sizeof(pd_smpl));
       memset(pc, 0, sizeof(pc));
       memset(&load_args, 0, sizeof(load_args));
       m_pfm.pfm_get_num_counters(&num_counters);
       memset(&params, 0, sizeof(params));
       memset(&nhm_params, 0, sizeof(nhm_params));

       for(int i=0; i<used_counters_number; i++)
       {
        ret = m_pfm.pfm_find_full_event(event_cstr[i], &inp.pfp_events[i]);
        if(ret != PFMLIB_SUCCESS)
        {
         log << MSG::ERROR << "ERROR: cannot find event: " << event_cstr[i] << ". Aborting..." << endmsg;
        }
       }
       inp.pfp_dfl_plm = PFM_PLM3;
       inp.pfp_event_count = 4;
       for(int i=0; i<used_counters_number; i++)
       {
        if(inv[i])
        {
         (params.pfp_core_counters[i]).flags |= PFM_CORE_SEL_INV;
         (nhm_params.pfp_nhm_counters[i]).flags |= PFM_NHM_SEL_INV;
        }
        if(cmask[i]>0)
        {
         (params.pfp_core_counters[i]).cnt_mask = cmask[i];
         (nhm_params.pfp_nhm_counters[i]).cnt_mask = cmask[i];
        }
       }
       if(nehalem || westmere)
       {
        ret = m_pfm.pfm_dispatch_events(&inp, &nhm_params, &outp, NULL);
       }
       else
       {
        ret = m_pfm.pfm_dispatch_events(&inp, &params, &outp, NULL);
       }
       if(ret != PFMLIB_SUCCESS)
       {
        log << MSG::ERROR << "ERROR: cannot configure events: " << m_pfm.pfm_strerror(ret) << ". Aborting..." << endmsg;
       }
       for(unsigned int i=0; i<outp.pfp_pmc_count; i++)
       {
        pc[i].reg_num   = outp.pfp_pmcs[i].reg_num;
        pc[i].reg_value = outp.pfp_pmcs[i].reg_value;
       }
       for(unsigned int i=0; i<outp.pfp_pmd_count; i++)
       {
        pd_smpl[i].reg_num = outp.pfp_pmds[i].reg_num;
        if(i)
        {
         pfm_bv_set(pd_smpl[0].reg_smpl_pmds, pd_smpl[i].reg_num);
         if(pd_smpl[i].reg_num>max_pmd)
         {
          max_pmd = pd_smpl[i].reg_num;
         }
         num_smpl_pmds++;
        }
       }
       for(int i=0; i<used_counters_number; i++)
       {
        pd_smpl[i].reg_flags |= PFM_REGFL_OVFL_NOTIFY | PFM_REGFL_RANDOM;
        pfm_bv_copy(pd_smpl[i].reg_reset_pmds, pd_smpl[i].reg_smpl_pmds, max_pmd);
        pd_smpl[i].reg_value = (uint64_t)(sp[i] * -1);
        pd_smpl[i].reg_short_reset = (uint64_t)(sp[i] * -1);
        pd_smpl[i].reg_long_reset = (uint64_t)(sp[i] * -1);
        pd_smpl[i].reg_random_seed = 5; //tocheck
        pd_smpl[i].reg_random_mask = 0xff; //tocheck
       }
       entry_size = sizeof(pfm_dfl_smpl_entry_t)+(num_smpl_pmds<<3);
       ctx.ctx_flags = 0;
       buf_arg.buf_size = 3*getpagesize()+512;
       ctx_fd = m_pfm.pfm_create_context(&ctx, (char *)FMT_NAME, &buf_arg, sizeof(buf_arg));
       if(ctx_fd==-1)
       {
        if(errno==ENOSYS)
        {
         log << MSG::ERROR << "ERROR: Your kernel does not have performance monitoring support! Aborting..." << endmsg;
        }
        log << MSG::ERROR << "ERROR: Can't create PFM context " << strerror(errno) << ". Aborting..." << endmsg;
       }
       buf_addr = mmap(NULL, (size_t)buf_arg.buf_size, PROT_READ, MAP_PRIVATE, ctx_fd, 0);
       if(buf_addr==MAP_FAILED)
       {
        log << MSG::ERROR << "ERROR: cannot mmap sampling buffer: " << strerror(errno) << ". Aborting..." << endmsg;
       }
       hdr = (pfm_dfl_smpl_hdr_t *)buf_addr;
       if(PFM_VERSION_MAJOR(hdr->hdr_version)<1)
       {
        log << MSG::ERROR << "ERROR: invalid buffer format version. Aborting..." << endmsg;
       }
       if(m_pfm.pfm_write_pmcs(ctx_fd, pc, outp.pfp_pmc_count))
       {
        log << MSG::ERROR << "ERROR: pfm_write_pmcs error errno " << strerror(errno) << ". Aborting..." << endmsg;
       }
       if(m_pfm.pfm_write_pmds(ctx_fd, pd_smpl, outp.pfp_pmd_count))
       {
        log << MSG::ERROR << "ERROR: pfm_write_pmds error errno " << strerror(errno) << ". Aborting..." << endmsg;
       }
       load_args.load_pid = getpid();
       if(m_pfm.pfm_load_context(ctx_fd, &load_args))
       {
        log << MSG::ERROR << "ERROR: pfm_load_context error errno " << strerror(errno) << ". Aborting..." << endmsg;
       }
       ret = fcntl(ctx_fd, F_SETFL, fcntl(ctx_fd, F_GETFL, 0) | O_ASYNC);
       if(ret == -1)
       {
        log << MSG::ERROR << "ERROR: cannot set ASYNC: " << strerror(errno) << ". Aborting..." << endmsg;
       }
       ret = fcntl(ctx_fd, F_SETOWN, getpid());
       if(ret == -1)
       {
        log << MSG::ERROR << "ERROR: cannot setown: " << strerror(errno) << ". Aborting..." << endmsg;
       }
       //pfm_self_start(ctx_fd); ==>
       m_pfm.pfm_start(ctx_fd, NULL);
      }

void PerfMonAuditor::startpm | ( | ) | `[private]`

Definition at line 416 of file PerfMonAuditor.cpp.

    {
       MsgStream log(msgSvc(), name());
       memset(&ctx,0, sizeof(ctx));
       memset(&inp,0, sizeof(inp));
       memset(&outp,0, sizeof(outp));
       memset(pd, 0, sizeof(pd));
       memset(pc, 0, sizeof(pc));
       memset(&load_arg, 0, sizeof(load_arg));
       memset(&params, 0, sizeof(params));
       memset(&nhm_params, 0, sizeof(nhm_params));

       for(int i=0; i<used_counters_number; i++)
       {
        ret = m_pfm.pfm_find_full_event(event_cstr[i], &inp.pfp_events[i]);
        if(ret != PFMLIB_SUCCESS)
        {
         log << MSG::ERROR << "ERROR: cannot find event: " << event_cstr[i] << ". Aborting..." << endmsg;
        }
       }
       inp.pfp_dfl_plm = PFM_PLM3;
       inp.pfp_event_count = 4;
       for(int i=0; i<used_counters_number; i++)
       {
        if(inv[i])
        {
         (params.pfp_core_counters[i]).flags |= PFM_CORE_SEL_INV;
         (nhm_params.pfp_nhm_counters[i]).flags |= PFM_NHM_SEL_INV;
        }
        if(cmask[i]>0)
        {
         (params.pfp_core_counters[i]).cnt_mask = cmask[i];
         (nhm_params.pfp_nhm_counters[i]).cnt_mask = cmask[i];
        }
       }
       if(nehalem || westmere)
       {
        ret = m_pfm.pfm_dispatch_events(&inp, &nhm_params, &outp, NULL);
       }
       else
       {
        ret = m_pfm.pfm_dispatch_events(&inp, &params, &outp, NULL);
       }
       if(ret != PFMLIB_SUCCESS)
       {
        log << MSG::ERROR << "ERROR: cannot dispatch events: " << m_pfm.pfm_strerror(ret) << ". Aborting..." << endmsg;
       }
       for(unsigned int i=0; i<outp.pfp_pmc_count; i++)
       {
        pc[i].reg_num = outp.pfp_pmcs[i].reg_num;
        pc[i].reg_value = outp.pfp_pmcs[i].reg_value;
       }
       for(unsigned int i=0; i<outp.pfp_pmd_count; i++)
       {
        pd[i].reg_num = outp.pfp_pmds[i].reg_num;
        pd[i].reg_value = 0;
       }
       fd = m_pfm.pfm_create_context(&ctx, NULL, 0, 0);
       if(fd == -1)
       {
        log << MSG::ERROR << "ERROR: Context not created. Aborting..." << endmsg;
       }
       if(m_pfm.pfm_write_pmcs(fd, pc, outp.pfp_pmc_count) == -1)
       {
        log << MSG::ERROR << "ERROR: Could not write pmcs. Aborting..." << endmsg;
       }
       if(m_pfm.pfm_write_pmds(fd, pd, outp.pfp_pmd_count) == -1)
       {
        log << MSG::ERROR << "ERROR: Could not write pmds. Aborting..." << endmsg;
       }
       load_arg.load_pid = getpid();
       if(m_pfm.pfm_load_context(fd, &load_arg) == -1)
       {
        log << MSG::ERROR << "ERROR: Could not load context. Aborting..." << endmsg;
    //  MsgStream log(msgSvc(), name());
    //  log << MSG::ERROR << "Could not read pmds" << endmsg;
       }

       m_pfm.pfm_start(fd, NULL);
    }

void PerfMonAuditor::stop_smpl | ( | ) | `[private]`

Definition at line 900 of file PerfMonAuditor.cpp.

      {
     MsgStream log(msgSvc(), name());
       m_pfm.pfm_self_stop(ctx_fd);
       process_smpl_buf(hdr, entry_size);
       close(ctx_fd);
       ret = munmap(hdr, (size_t)buf_arg.buf_size);
       if(ret)
       {
      log << MSG::ERROR << "Cannot unmap buffer: %s" << strerror(errno) << endmsg;
       }
       return;
      }

void PerfMonAuditor::stoppm | ( | ) | `[private]`

Definition at line 504 of file PerfMonAuditor.cpp.

    {
     MsgStream log(msgSvc(), name());
     m_pfm.pfm_stop(fd);
     if(m_pfm.pfm_read_pmds(fd, pd, inp.pfp_event_count) == -1)
     {
      log << MSG::ERROR << "Could not read pmds" << endmsg;
     }
       for(int i=0; i<used_counters_number; i++)
       {
     results[i][(alg_stack.top().first)->name()].push_back(alg_stack.top().second[i] + pd[i].reg_value);
       }

     close(fd);
    }

## Member Data Documentation

void* PerfMonAuditor::buf_addr`[private]`

Definition at line 401 of file PerfMonAuditor.cpp.

pfm_dfl_smpl_arg_t PerfMonAuditor::buf_arg`[private]`

Definition at line 399 of file PerfMonAuditor.cpp.

unsigned int PerfMonAuditor::cmask[MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS]`[private]`

Definition at line 378 of file PerfMonAuditor.cpp.

bool PerfMonAuditor::core`[private]`

Definition at line 385 of file PerfMonAuditor.cpp.

pfarg_ctx_t PerfMonAuditor::ctx`[private]`

Definition at line 360 of file PerfMonAuditor.cpp.

bool PerfMonAuditor::event_count_reached`[private]`

Definition at line 411 of file PerfMonAuditor.cpp.

char PerfMonAuditor::event_cstr[MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS][MAX_EVENT_NAME_LENGTH]`[private]`

Definition at line 374 of file PerfMonAuditor.cpp.

std::string PerfMonAuditor::event_str[MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS]`[private]`

Definition at line 371 of file PerfMonAuditor.cpp.

std::string PerfMonAuditor::family`[private]`

Definition at line 373 of file PerfMonAuditor.cpp.

int PerfMonAuditor::fd`[private]`

Definition at line 364 of file PerfMonAuditor.cpp.

bool PerfMonAuditor::first_alg`[private]`

Definition at line 409 of file PerfMonAuditor.cpp.

std::string PerfMonAuditor::first_alg_name`[private]`

Definition at line 410 of file PerfMonAuditor.cpp.

unsigned int PerfMonAuditor::i`[private]`

Definition at line 365 of file PerfMonAuditor.cpp.

pfmlib_input_param_t PerfMonAuditor::inp`[private]`

Definition at line 358 of file PerfMonAuditor.cpp.

bool PerfMonAuditor::inv[MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS]`[private]`

Definition at line 377 of file PerfMonAuditor.cpp.

int PerfMonAuditor::is_nehalem_ret`[private]`

Definition at line 356 of file PerfMonAuditor.cpp.

int PerfMonAuditor::level`[private]`

Definition at line 407 of file PerfMonAuditor.cpp.

pfarg_load_t PerfMonAuditor::load_arg`[private]`

Definition at line 363 of file PerfMonAuditor.cpp.

pfarg_load_t PerfMonAuditor::load_args`[private]`

Definition at line 400 of file PerfMonAuditor.cpp.

int PerfMonAuditor::m_indent`[private]`

Definition at line 352 of file PerfMonAuditor.cpp.

bool PerfMonAuditor::m_inEvent`[private]`

Definition at line 353 of file PerfMonAuditor.cpp.

Map PerfMonAuditor::m_map`[private]`

Definition at line 351 of file PerfMonAuditor.cpp.

PFMon& PerfMonAuditor::m_pfm`[private]`

Definition at line 229 of file PerfMonAuditor.cpp.

unsigned int PerfMonAuditor::max_pmd`[private]`

Definition at line 403 of file PerfMonAuditor.cpp.

bool PerfMonAuditor::nehalem`[private]`

Definition at line 383 of file PerfMonAuditor.cpp.

pfmlib_nhm_input_param_t PerfMonAuditor::nhm_params`[private]`

Definition at line 381 of file PerfMonAuditor.cpp.

unsigned PerfMonAuditor::num_counters`[private]`

Definition at line 402 of file PerfMonAuditor.cpp.

pfmlib_output_param_t PerfMonAuditor::outp`[private]`

Definition at line 359 of file PerfMonAuditor.cpp.

pfmlib_core_input_param_t PerfMonAuditor::params`[private]`

Definition at line 380 of file PerfMonAuditor.cpp.

pfarg_pmc_t PerfMonAuditor::pc[NUM_PMCS]`[private]`

Definition at line 362 of file PerfMonAuditor.cpp.

pfarg_pmd_t PerfMonAuditor::pd[NUM_PMDS]`[private]`

Definition at line 361 of file PerfMonAuditor.cpp.

pfmlib_options_t PerfMonAuditor::pfmlib_options`[private]`

Definition at line 404 of file PerfMonAuditor.cpp.

unsigned int PerfMonAuditor::ph_ev_count`[private]`

Definition at line 376 of file PerfMonAuditor.cpp.

std::string PerfMonAuditor::prefix`[private]`

Definition at line 372 of file PerfMonAuditor.cpp.

char PerfMonAuditor::prefix_cstr[MAX_PREFIX_NAME_LENGTH]`[private]`

Definition at line 375 of file PerfMonAuditor.cpp.

int PerfMonAuditor::ret`[private]`

Definition at line 366 of file PerfMonAuditor.cpp.

bool PerfMonAuditor::sampling`[private]`

Definition at line 387 of file PerfMonAuditor.cpp.

unsigned int PerfMonAuditor::start_at_event`[private]`

Definition at line 379 of file PerfMonAuditor.cpp.

int PerfMonAuditor::used_counters_number`[private]`

Definition at line 382 of file PerfMonAuditor.cpp.

bool PerfMonAuditor::westmere`[private]`

Definition at line 384 of file PerfMonAuditor.cpp.

The documentation for this class was generated from the following file:

- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r0/GaudiProfiling/src/component/PerfMonAuditor.cpp

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