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// $Id: stats.cpp 91670 2010-09-08 18:02:26Z johnnyw $
#include "stats.h"
Stats::Stats(int size) {
throughput_ = new float[size];
latency_ = new float[size];
thread_count_ = size;
init_fini_ = new Init_Fini_t[2*size];
for(int i = 0; i < size; i++)
throughput_[i] = latency_[i] = 0;
}
void Stats::log(int id, float throughput, float latency) {
throughput_[id] = throughput;
latency_[id] = latency;
}
// Unused for now.
void Stats::print(char *message) {
ACE_UNUSED_ARG (message);
// char time_buf[64];
// long ltime;
// time(<ime);
// ACE_OS::ctime_r(<ime, time_buf, sizeof time_buf);
// if(ACE_OS::gettimeofday() == -1) {
// perror("gettimeofday");
// }
// time_buf[strlen(time_buf)-1] = 0;
// printf("%010ld%09ld \t %s %s\n", tp.tv_sec, tp.tv_usec, time_buf, message);
}
int comp(const void *a, const void *b) {
Init_Fini_t *A = (Init_Fini_t *)a;
Init_Fini_t *B = (Init_Fini_t *)b;
return (A->timestamp < B->timestamp) ? -1 : (A->timestamp > B->timestamp);
}
void Stats::output() {
int i;
float tavg = 0, lavg = 0;
ACE_OS::qsort(init_fini_, 2*thread_count_, sizeof(Init_Fini_t), comp);
int max = 0,thread_peak = 0;
for(i = 0; i < 2*thread_count_; i++) {
// cerr << " " << ((init_fini_[i].type == THREAD_START) ? "START": "END") << " " << init_fini_[i].timestamp.sec() << "." << init_fini_[i].timestamp.usec() << endl;
if(init_fini_[i].type == THREAD_START) {
if(++thread_peak > max)
max = thread_peak;
}
else thread_peak--;
}
for(i = 0; i < thread_count_; i++) {
tavg += throughput_[i];
lavg += latency_[i];
}
cout << " " << tavg/thread_count_ << " " << lavg/thread_count_ << " " << max;
}
void Stats::i_have_started(int id) {
init_fini_[2*id].type = THREAD_START;
init_fini_[2*id].timestamp = ACE_OS::gettimeofday();
}
void Stats::i_am_done(int id) {
init_fini_[(2*id)+1].type = THREAD_END;
init_fini_[(2*id)+1].timestamp = ACE_OS::gettimeofday();
}
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