edm::MallocOptionSetter Class Reference

#include <MallocOpts.h>

Public Types
typedef MallocOpts::opt_type	opt_type

Public Member Functions
void	adjustMallocParams ()
std::string	error_message () const
MallocOpts	get () const
bool	hasErrors () const
	MallocOptionSetter ()
bool	retrieveFromCpuType ()
bool	retrieveFromEnv ()
void	set_mmap_max (opt_type mmap_max)
void	set_mmap_thr (opt_type mmap_thr)
void	set_top_pad (opt_type top_pad)
void	set_trim_thr (opt_type trim_thr)

Private Attributes
bool	changed_
std::string	error_message_
MallocOpts	values_

Detailed Description

Definition at line 53 of file MallocOpts.h.

Member Typedef Documentation

typedef MallocOpts::opt_type edm::MallocOptionSetter::opt_type

Definition at line 55 of file MallocOpts.h.

Constructor & Destructor Documentation

edm::MallocOptionSetter::MallocOptionSetter

(

)

Definition at line 131 of file MallocOpts.cc.

References adjustMallocParams(), beam_dqm_sourceclient-live_cfg::cerr, error_message_, hasErrors(), retrieveFromCpuType(), and retrieveFromEnv().

                                         : changed_(false) {
    if (retrieveFromEnv() || retrieveFromCpuType()) {
      adjustMallocParams();
      if (hasErrors()) {
        std::cerr << "ERROR: Reset of malloc options has fails:\n" << error_message_ << "\n";
      }
    }
  }

Member Function Documentation

void edm::MallocOptionSetter::adjustMallocParams

(

)

Definition at line 140 of file MallocOpts.cc.

References changed_, error_message_, edm::MallocOpts::mmap_max_, edm::MallocOpts::mmap_thr_, edm::MallocOpts::top_pad_, edm::MallocOpts::trim_thr_, and values_.

Referenced by MallocOptionSetter(), and edm::service::SimpleMemoryCheck::SimpleMemoryCheck().

                                              {
    if (changed_ == false)
      return;  // only adjust if they changed
    error_message_.clear();
    changed_ = false;

#ifndef __SANITIZE_ADDRESS__
#ifdef M_MMAP_MAX
    if (mallopt(M_MMAP_MAX, values_.mmap_max_) < 0)
      error_message_ += "Could not set M_MMAP_MAX\n";
#endif
#ifdef M_TRIM_THRESHOLD
    if (mallopt(M_TRIM_THRESHOLD, values_.trim_thr_) < 0)
      error_message_ += "Could not set M_TRIM_THRESHOLD\n";
#endif
#ifdef M_TOP_PAD
    if (mallopt(M_TOP_PAD, values_.top_pad_) < 0)
      error_message_ += "ERROR: Could not set M_TOP_PAD\n";
#endif
#ifdef M_MMAP_THRESHOLD
    if (mallopt(M_MMAP_THRESHOLD, values_.mmap_thr_) < 0)
      error_message_ += "ERROR: Could not set M_MMAP_THRESHOLD\n";
#endif
#endif
  }

std::string edm::MallocOptionSetter::error_message ( ) const

inline

Definition at line 62 of file MallocOpts.h.

Referenced by edm::service::SimpleMemoryCheck::SimpleMemoryCheck().

{ return error_message_; }

MallocOpts edm::MallocOptionSetter::get ( ) const

inline

Definition at line 81 of file MallocOpts.h.

Referenced by Options.Options::__getitem__(), betterConfigParser.BetterConfigParser::__updateDict(), rrapi.RRApi::columns(), rrapi.RRApi::count(), rrapi.RRApi::data(), betterConfigParser.BetterConfigParser::getCompares(), betterConfigParser.BetterConfigParser::getGeneral(), betterConfigParser.BetterConfigParser::getResultingSection(), rrapi.RRApi::report(), rrapi.RRApi::reports(), edm::service::SimpleMemoryCheck::SimpleMemoryCheck(), rrapi.RRApi::tables(), rrapi.RRApi::tags(), rrapi.RRApi::templates(), and rrapi.RRApi::workspaces().

{ return values_; }

bool edm::MallocOptionSetter::hasErrors ( ) const

inline

Definition at line 61 of file MallocOpts.h.

Referenced by MallocOptionSetter(), and edm::service::SimpleMemoryCheck::SimpleMemoryCheck().

{ return !error_message_.empty(); }

bool edm::MallocOptionSetter::retrieveFromCpuType

(

)

Definition at line 109 of file MallocOpts.cc.

References changed_, and values_.

Referenced by MallocOptionSetter().

                                               {
    bool rc = true;

    switch (get_cpu_type()) {
      case AMD_CPU: {
        values_ = amd_opts;
        changed_ = true;
        break;
      }
      case INTEL_CPU: {
        values_ = intel_opts;
        changed_ = true;
        break;
      }
      case UNKNOWN_CPU:
      default:
        rc = false;
    }

    return rc;
  }

bool edm::MallocOptionSetter::retrieveFromEnv

(

)

Definition at line 166 of file MallocOpts.cc.

References beam_dqm_sourceclient-live_cfg::cerr, changed_, gather_cfg::cout, edm::MallocOpts::mmap_max_, edm::MallocOpts::mmap_thr_, AlCaHLTBitMon_QueryRunRegistry::string, edm::MallocOpts::top_pad_, edm::MallocOpts::trim_thr_, and values_.

Referenced by MallocOptionSetter().

                                           {
    const char* par = std::getenv("CMSRUN_MALLOC_RESET");
    if (par == nullptr)
      return false;  // leave quickly here
    std::string spar(par);
    bool rc = false;

    // CMSRUN_MALLOC_RESET = "mmap_max trim_thres top_pad mmap_thres"

    if (spar.size() > 1) {
      std::istringstream ist(spar);
      ist >> values_.mmap_max_ >> values_.trim_thr_ >> values_.top_pad_ >> values_.mmap_thr_;

      if (ist.bad()) {
        std::cerr << "bad malloc options in CMSRUN_MALLOC_RESET: " << spar << "\n"
                  << "format is: "
                  << "CMSRUN_MALLOC_RESET=\"mmap_max trim_thres top_pad mmap_thres\"\n";
      } else {
        std::cout << "MALLOC_OPTIONS> Reset options: "
                  << "CMSRUN_MALLOC_RESET=" << par << "\n";
      }
      rc = true;
      changed_ = true;
    }

    return rc;
  }

void edm::MallocOptionSetter::set_mmap_max ( opt_type  mmap_max )

inline

Definition at line 64 of file MallocOpts.h.

Referenced by edm::service::SimpleMemoryCheck::SimpleMemoryCheck().

                                         {
      values_.mmap_max_ = mmap_max;
      changed_ = true;
    }

void edm::MallocOptionSetter::set_mmap_thr ( opt_type  mmap_thr )

inline

Definition at line 76 of file MallocOpts.h.

Referenced by edm::service::SimpleMemoryCheck::SimpleMemoryCheck().

                                         {
      values_.mmap_thr_ = mmap_thr;
      changed_ = true;
    }

void edm::MallocOptionSetter::set_top_pad ( opt_type  top_pad )

inline

Definition at line 72 of file MallocOpts.h.

Referenced by edm::service::SimpleMemoryCheck::SimpleMemoryCheck().

                                       {
      values_.top_pad_ = top_pad;
      changed_ = true;
    }

void edm::MallocOptionSetter::set_trim_thr ( opt_type  trim_thr )

inline

Definition at line 68 of file MallocOpts.h.

Referenced by edm::service::SimpleMemoryCheck::SimpleMemoryCheck().

                                         {
      values_.trim_thr_ = trim_thr;
      changed_ = true;
    }

Member Data Documentation

bool edm::MallocOptionSetter::changed_

private

Definition at line 84 of file MallocOpts.h.

Referenced by adjustMallocParams(), retrieveFromCpuType(), and retrieveFromEnv().

std::string edm::MallocOptionSetter::error_message_

private

Definition at line 87 of file MallocOpts.h.

Referenced by adjustMallocParams(), and MallocOptionSetter().

MallocOpts edm::MallocOptionSetter::values_

private

Definition at line 85 of file MallocOpts.h.

Referenced by adjustMallocParams(), retrieveFromCpuType(), and retrieveFromEnv().