#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 63 of file MallocOpts.h.

Member Typedef Documentation

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

Definition at line 66 of file MallocOpts.h.

Constructor & Destructor Documentation

edm::MallocOptionSetter::MallocOptionSetter ( )

Definition at line 145 of file MallocOpts.cc.

References adjustMallocParams(), dtNoiseDBValidation_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 159 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;
 
 #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
   }

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

inline

Definition at line 73 of file MallocOpts.h.

References error_message_.

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

73 { return error_message_; }

edm::MallocOptionSetter::error_message_

std::string error_message_

Definition: MallocOpts.h:90

MallocOpts edm::MallocOptionSetter::get ( void ) const

inline

Definition at line 84 of file MallocOpts.h.

References values_.

Referenced by Options.Options::__getitem__(), betterConfigParser.BetterConfigParser::__updateDict(), betterConfigParser.BetterConfigParser::getCompares(), betterConfigParser.BetterConfigParser::getGeneral(), betterConfigParser.BetterConfigParser::getResultingSection(), and edm::service::SimpleMemoryCheck::SimpleMemoryCheck().

84 { return values_; }

edm::MallocOptionSetter::values_

MallocOpts values_

Definition: MallocOpts.h:88

bool edm::MallocOptionSetter::hasErrors ( ) const

inline

Definition at line 72 of file MallocOpts.h.

References error_message_.

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

72 { return !error_message_.empty(); }

edm::MallocOptionSetter::error_message_

std::string error_message_

Definition: MallocOpts.h:90

bool edm::MallocOptionSetter::retrieveFromCpuType ( )

Definition at line 119 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 183 of file MallocOpts.cc.

References dtNoiseDBValidation_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 = getenv("CMSRUN_MALLOC_RESET");
     if(par==0) 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;
   }