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//=============================================================================
/**
* @file demux_stats.cpp
*
* @author Vishal Kachroo
*/
//=============================================================================
// FUZZ: disable check_for_math_include
#include <math.h>
#include "ace/Get_Opt.h"
#include "tao/corba.h"
class Demux_Stats
{
public:
/// Calculates the average latency and Standard deviation.
/// Expects the input data in my_results.dat.
int
calculate_avg_latency (void);
/// parses args.
int
Demux_Stats::parse_args (int argc_, char * argv_ []);
private :
/// temporary results file.
FILE *result_fp_;
int iterations;
};
// parse command line arguments (if any).
int
Demux_Stats::parse_args (int argc_, char * argv_ [])
{
ACE_Get_Opt get_opts (argc_, argv_, ACE_TEXT("i:"));
int c;
iterations = 0;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'i':
iterations = ACE_OS::atoi (get_opts.opt_arg ());
break;
}
return 0;
}
int
Demux_Stats::calculate_avg_latency ()
{
CORBA::ULong i, time;
char str1[50], str2[50], str3[50];
double temp, mean_poa, mean_servant, mean_dispatch, mean_perfect, mean_dynamic, mean_binary, mean_linear, mean_parse;
double deviation_poa, deviation_servant, deviation_dispatch;
double std_deviation_poa, std_deviation_servant, std_deviation_dispatch;
double sum_poa_temp, sum_servant_temp, sum_dispatch_temp;
double time_temp, items_temp;
double items;
CORBA::ULong sum_poa, sum_servant, sum_dispatch, last_poa_time=0, last_servant_time=0, last_dispatch_time=0;
CORBA::ULong sum_linear, sum_dynamic, sum_binary, sum_perfect, sum_parse;
CORBA::ULong last_dynamic_time=0, last_linear_time=0, last_perfect_time=0, last_binary_time=0, last_parse_time = 0;
int counter;
if ((this->result_fp_ = ACE_OS::fopen ("my_results.dat", "r")) == 0)
{
ACE_ERROR_RETURN ((LM_ERROR,
"Demux_Test_Client::print_results - "
"Failed to open the results file for reading\n"),
-1);
}
sum_poa = 0;
sum_servant = 0;
sum_dispatch = 0;
sum_dynamic = 0;
sum_linear = 0;
sum_perfect = 0;
sum_binary = 0;
sum_parse = 0;
items = 0;
counter = 0;
while (fscanf (this->result_fp_, "%s %s %s %ld %ld", &str1, &str2, &str3, &i, &time) != EOF)
{
if(ACE_OS::strcmp (str1,"POA::locate_poa_i")==0 && (ACE_OS::strcmp (str3,"end") == 0))
{
if (items < 1) { items = items + 1; counter++; }
else
{
sum_poa += time;
last_poa_time = time;
items = items + 1;
++counter;
}
}
if(ACE_OS::strcmp (str1,"POA::find_servant")==0 && (ACE_OS::strcmp (str3,"end") == 0))
{
if (items < 1) { items = items + 1; counter++; }
else
{
sum_servant += time;
last_servant_time = time;
items = items + 1;
counter++;
}
}
if(ACE_OS::strcmp (str1,"Servant::_dispatch")==0 && (ACE_OS::strcmp (str3,"end") == 0))
{
if (items < 1) { ++items; counter++; }
else
{
sum_dispatch += time;
last_dispatch_time = time;
++items;items++;
counter++;
}
}
if(ACE_OS::strcmp (str1,"TAO_Dynamic_Hash_OpTable::find")==0 && (ACE_OS::strcmp (str3,"end") == 0))
{
if (items < 1) { ++items; counter++; }
else
{
sum_dynamic += time;
last_dynamic_time = time;
++items;
counter++;
}
}
if(ACE_OS::strcmp (str1,"TAO_Linear_Search_OpTable::find")==0 && (ACE_OS::strcmp (str3,"end") == 0))
{
if (items < 1) { items++; counter++; }
else
{
sum_linear += time;
last_linear_time = time;
items++;
counter++;
}
}
if(ACE_OS::strcmp (str1,"TAO_Perfect_Hash_OpTable::find")==0 && (ACE_OS::strcmp (str3,"end") == 0))
{
if (items < 1) { items++; counter++; }
else
{
sum_perfect += time;
last_perfect_time = time;
items++;
counter++;
}
}
if(ACE_OS::strcmp (str1,"TAO_Binary_Search_OpTable::find")==0 && (ACE_OS::strcmp (str3,"end") == 0))
{
if (items < 1) { items++; counter++; }
else
{
sum_binary += time;
last_binary_time = time;
items++;
counter++;
}
}
if(ACE_OS::strcmp (str1,"POA::parse_key")==0 && (ACE_OS::strcmp (str3,"end") == 0))
{
if (items < 1) { items++; counter++; }
else
{
sum_parse += time;
last_parse_time = time;
items++;
counter++;
}
}
if (iterations !=0 )
{
if (counter == iterations)
{
mean_poa = sum_poa/items;
mean_servant = sum_servant/items;
mean_dispatch = sum_dispatch/items;
mean_dynamic = sum_dynamic/items;
mean_linear = sum_linear/items;
mean_binary = sum_binary/items;
mean_perfect = sum_perfect/items;
ACE_OS::printf("Average response times = POA = %lf SERVANT = %lf DISPATCH = %lf PERFECT = %lf DYNAMIC = %lf BINARY = %lf LINEAR = %lf microsec\n",
mean_poa,
mean_servant,
mean_dispatch,
mean_perfect,
mean_dynamic,
mean_binary,
mean_linear);
sum_poa = 0;
sum_servant = 0;
sum_dispatch = 0;
sum_dynamic = 0;
sum_linear = 0;
sum_perfect = 0;
sum_binary = 0;
items = 0;
counter = 0;
}
}
}
ACE_OS::fclose (this->result_fp_);
if (iterations == 0)
{
sum_poa -= last_poa_time;
sum_servant -= last_servant_time;
sum_dispatch -= last_dispatch_time;
sum_dynamic -= last_dynamic_time;
sum_linear -= last_linear_time;
sum_perfect -= last_perfect_time;
sum_binary -= last_binary_time;
sum_parse -= last_parse_time;
//items = items - 4;
items = items - 2;
mean_poa = sum_poa/items;
mean_servant = sum_servant/items;
mean_dispatch = sum_dispatch/items;
mean_dynamic = sum_dynamic/items;
mean_linear = sum_linear/items;
mean_binary = sum_binary/items;
mean_perfect = sum_perfect/items;
mean_parse = sum_parse/items;
}
// now compute standard deviation
if ((this->result_fp_ = ACE_OS::fopen ("my_results.dat", "r")) == 0)
{
ACE_ERROR_RETURN ((LM_ERROR,
"Demux_Test_Client::print_results - "
"Failed to open the results file for reading\n"),
-1);
}
sum_poa_temp = 0;
sum_servant_temp = 0;
sum_dispatch_temp = 0;
deviation_poa = 0.0;
deviation_servant = 0.0;
deviation_dispatch = 0.0;
while (fscanf (this->result_fp_, "%s %s %s %ld %ld", &str1, &str2, &str3, &i, &time) != EOF)
{
time_temp = (double) time;
if(ACE_OS::strcmp (str1,"POA::locate_poa_i")==0 && (ACE_OS::strcmp (str3,"end") == 0))
{
deviation_poa = time_temp - mean_poa;
sum_poa_temp += deviation_poa * deviation_poa;
}
if(ACE_OS::strcmp (str1,"POA::find_servant")==0 && (ACE_OS::strcmp (str3,"end") == 0))
{
deviation_servant = time_temp - mean_servant;
sum_servant_temp += deviation_servant * deviation_servant;
}
if(ACE_OS::strcmp (str1,"Servant::_dispatch")==0 && (ACE_OS::strcmp (str3,"end") == 0))
{
deviation_dispatch = time_temp - mean_dispatch;
sum_dispatch_temp += deviation_dispatch * deviation_dispatch;
}
}
items_temp = (double) items;
if (items == 1)
{
std_deviation_poa = 0;
std_deviation_servant = 0;
std_deviation_dispatch = 0;
}
else
{
std_deviation_poa = sqrt (sum_poa_temp/(items_temp - 1));
std_deviation_servant = sqrt (sum_servant_temp/(items_temp - 1));
std_deviation_dispatch = sqrt (sum_dispatch_temp/(items_temp - 1));
}
// ACE_OS::unlink ("my_results.dat");
ACE_OS::fclose (this->result_fp_);
if (iterations == 0)
{
ACE_OS::printf("Average response times = POA = %lf SERVANT = %lf DISPATCH = %lf PERFECT = %lf DYNAMIC = %lf BINARY = %lf LINEAR = %lf PARSE = %lf microsec\n", mean_poa, mean_servant,
mean_dispatch,
mean_perfect,
mean_dynamic,
mean_binary,
mean_linear,
mean_parse);
}
return 0;
}
int
ACE_TMAIN(int argc, ACE_TCHAR *argv[])
{
Demux_Stats demux_stats;
demux_stats.parse_args (argc, argv);
demux_stats.calculate_avg_latency ();
}
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