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#include <algorithm>#include <fstream>#include <iostream>#include <map>#include <set>#include <sstream>#include <stdexcept>#include <string>#include <vector>#include <dlfcn.h>#include <unistd.h>#include "VertexTracker.h"Go to the source code of this file.
Classes | |
| struct | PathTracker |
| class | Reader |
Functions | |
| static bool | idComp (unsigned int id, const VertexSet::const_iterator &b) |
| static bool | idSort (const VertexSet::const_iterator &a, const VertexSet::const_iterator &b) |
| std::string | make_name (Dl_info const &info, void *where, std::string const &prefix) |
| std::ostream & | operator<< (std::ostream &ost, const PathTracker &a) |
| static bool | pathSort (const PathSet::const_iterator &a, const PathSet::const_iterator &b) |
| static bool | symSort (const VertexSet::const_iterator &a, const VertexSet::const_iterator &b) |
| void | verifyFile (std::ostream &ost, const std::string &name) |
| void | writeProfileData (int fd, const std::string &prefix) |
| void | writeProfileDataC (int fd, const std::string &prefix) |
| static bool idComp | ( | unsigned int | id, |
| const VertexSet::const_iterator & | b | ||
| ) | [static] |
Definition at line 84 of file ProfParse.cc.
Referenced by writeProfileData().
{
return id < b->id_;
}
| static bool idSort | ( | const VertexSet::const_iterator & | a, |
| const VertexSet::const_iterator & | b | ||
| ) | [static] |
Definition at line 78 of file ProfParse.cc.
Referenced by writeProfileData().
| std::string make_name | ( | Dl_info const & | info, |
| void * | where, | ||
| std::string const & | prefix | ||
| ) |
Definition at line 144 of file ProfParse.cc.
Referenced by writeProfileData().
| std::ostream& operator<< | ( | std::ostream & | ost, |
| const PathTracker & | a | ||
| ) |
Definition at line 51 of file ProfParse.cc.
References i, PathTracker::id_, PathTracker::total_, and PathTracker::tree_.
| static bool pathSort | ( | const PathSet::const_iterator & | a, |
| const PathSet::const_iterator & | b | ||
| ) | [static] |
Definition at line 90 of file ProfParse.cc.
Referenced by writeProfileData().
| static bool symSort | ( | const VertexSet::const_iterator & | a, |
| const VertexSet::const_iterator & | b | ||
| ) | [static] |
Definition at line 72 of file ProfParse.cc.
Referenced by writeProfileData().
| void verifyFile | ( | std::ostream & | ost, |
| const std::string & | name | ||
| ) |
Definition at line 61 of file ProfParse.cc.
References benchmark_cfg::cerr.
Referenced by writeProfileData().
| void writeProfileData | ( | int | fd, |
| const std::string & | prefix | ||
| ) |
Definition at line 159 of file ProfParse.cc.
References Sym::addr_, trackerHits::c, Sym::id_, idComp(), idSort(), info, Sym::library_, make_name(), mergeVDriftHistosByStation::name, Sym::name_, Sym::next_id_, Reader::nextSample(), pathSort(), csvReporter::r, python::multivaluedict::sort(), symSort(), pileupDistInMC::total, PathTracker::tree_, v, relativeConstraints::value, and verifyFile().
Referenced by SimpleProfiler::complete(), and writeProfileDataC().
{
std::string output_tree(prefix+"_paths");
std::string output_names(prefix+"_names");
std::string output_totals(prefix+"_totals");
std::ofstream nost(output_names.c_str());
std::ofstream tost(output_tree.c_str());
std::ofstream sost(output_totals.c_str());
verifyFile(nost,output_names);
verifyFile(tost,output_tree);
verifyFile(sost,output_totals);
VertexSet symset;
PathSet pathset;
std::pair<VertexSet::iterator,bool> irc,prev_irc;
std::pair<PathSet::iterator,bool> prc;
VoidVec v;
int len=0;
int total=0;
int total_failed=0;
int total_missing=0;
// int failure_count=0;
Sym last_none_entry;
Sym last_good_entry;
Reader r(fd);
std::string unk("unknown_name");
while (r.nextSample(v)) {
PathTracker ptrack;
++total;
len = v.size();
if(len==0) continue; // should never happen!
VoidVec::reverse_iterator c(v.rbegin()),e(v.rend());
bool first_pass=true;
while(c != e) {
Sym::address_type value = reinterpret_cast<Sym::address_type>(*c);
const Sym* entry = 0;
Dl_info info;
void* addr = static_cast<void*>(value);
if(dladdr(addr,&info) != 0) {
std::string name = make_name(info, addr, "unknown_");
last_good_entry.name_ = name;
last_good_entry.library_ = info.dli_fname;
last_good_entry.id_ = 0;
void* function_address = info.dli_saddr;
// If we find the address of this function, we make a
// unique VertexTracker for that function. If not, we
// make a unique VertexTracker for this exact address.
last_good_entry.addr_ =
function_address ? function_address : value;
entry = &last_good_entry;
} else { // dladdr has failed
/*
std::cerr << "sample " << total
<< ": dladdr failed for address: " << *c
<< std::endl;
*/
++total_failed;
std::ostringstream oss;
oss << "lookup_failure_" << addr;
last_none_entry.name_ = oss.str();
last_none_entry.library_ = "unknown";
last_none_entry.id_ = Sym::next_id_++;
last_none_entry.addr_ = value;
entry = &last_none_entry;
}
irc = symset.insert(VertexTracker(*entry));
if(irc.second) {
irc.first->setID();
}
irc.first->incTotal();
ptrack.tree_.push_back(irc.first->id_);
if(!first_pass) ++prev_irc.first->edges_[irc.first->id_];
else first_pass=false;
prev_irc = irc;
++c;
}
irc.first->incLeaf();
prc = pathset.insert(ptrack);
if(prc.second) {
prc.first->setID();
}
prc.first->incTotal();
}
// ------------------ copy the vertices for sorting and searching ------
int setsize = symset.size();
int edgesize = 0;
Viter vsyms;
vsyms.reserve(setsize);
//cout << "------ symset -----" << std::endl;
VertexSet::const_iterator isym(symset.begin()),esym(symset.end());
while(isym!=esym) {
//cout << " " << *isym << std::endl;
vsyms.push_back(isym);
++isym;
}
// ------ calculate samples for parents and percentages in vertices ------
//edm::sort_all(vsyms,idSort);
std::sort(vsyms.begin(), vsyms.end(), idSort);
//Viter::iterator Vib(vsyms.begin()),Vie(vsyms.end());
//std::cout << "sorted table --------------" << std::endl;
//while(Vib!=Vie) { std::cout << " " << *(*Vib) << std::endl; ++Vib; }
PathSet::const_iterator pat_it_beg(pathset.begin()),
pat_it_end(pathset.end());
while(pat_it_beg!=pat_it_end) {
// get set of unique IDs from the path
ULVec pathcopy(pat_it_beg->tree_);
//edm::sort_all(pathcopy);
std::sort(pathcopy.begin(), pathcopy.end());
ULVec::iterator iter = unique(pathcopy.begin(),pathcopy.end());
ULVec::iterator cop_beg(pathcopy.begin());
//cout << "length of unique = " << distance(cop_beg,iter) << std::endl;
while(cop_beg!=iter) {
//cout << " entry " << *cop_beg << std::endl;
Viter::iterator sym_iter = upper_bound(vsyms.begin(),vsyms.end(),
*cop_beg,idComp);
if(sym_iter==vsyms.begin()) {
++total_missing;
/*
std::cerr << "found a missing sym entry for address " << *cop_beg
<< std::endl;
*/
} else {
--sym_iter;
//cout << " symiter " << *(*sym_iter) << std::endl;
(*sym_iter)->incPath(pat_it_beg->total_);
}
++cop_beg;
}
++pat_it_beg;
}
VertexSet::iterator ver_iter(symset.begin()),ver_iter_end(symset.end());
while(ver_iter != ver_iter_end) {
ver_iter->percent_leaf_ = (float)ver_iter->total_as_leaf_ / (float)total;
ver_iter->percent_path_ = (float)ver_iter->in_path_ / (float)total;
++ver_iter;
}
// -------------- write out the vertices ----------------
//edm::sort_all(vsyms,symSort);
std::sort(vsyms.begin(), vsyms.end(), symSort);
Viter::reverse_iterator vvi(vsyms.rbegin()),vve(vsyms.rend());
while(vvi != vve) {
nost << *(*vvi) << "\n";
++vvi;
}
// --------------- write out the paths ------------------
int pathsize = pathset.size();
Piter vpaths;
vpaths.reserve(pathsize);
PathSet::const_iterator ipath(pathset.begin()),epath(pathset.end());
while(ipath != epath) {
vpaths.push_back(ipath);
++ipath;
}
//edm::sort_all(vpaths,pathSort);
std::sort(vpaths.begin(),vpaths.end(),pathSort);
Piter::reverse_iterator ppi(vpaths.rbegin()),ppe(vpaths.rend());
while(ppi != ppe) {
tost << *(*ppi) << "\n";
++ppi;
}
// ------------ totals --------------------
sost << "total_samples " << total << "\n"
<< "total_functions " << setsize << "\n"
<< "total_paths " << pathsize << "\n"
<< "total_edges " << edgesize << std::endl
<< "total_failed_lookups " << total_failed << std::endl
<< "total_missing_sym_entries " << total_missing << std::endl;
}
| void writeProfileDataC | ( | int | fd, |
| const std::string & | prefix | ||
| ) |
Definition at line 364 of file ProfParse.cc.
References writeProfileData().
{
writeProfileData(fd,prefix);
}
1.7.3