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tools/prune-trace: fault-space pruning tool

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This tool creates the fault-space pruning pilot and group
entries. Those are used by the generic campaign to do fault
experiments.

Currently prune-trace only implements conventional def/use pruning
(--prune-method "basic").

Change-Id: I1dfb431e3b1d3cd2ee891a49a3b6ac01210be11f
This commit is contained in:
Christian Dietrich
2013-03-21 15:32:44 +01:00
parent 1d25372283
commit 3a5dc285ab
7 changed files with 261 additions and 0 deletions
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63
tools/prune-trace/Pruner.cc Normal file
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#include <sstream>
#include <iostream>
#include "util/Logger.hpp"
using namespace fail;
static Logger log ("Pruner");
#include "Pruner.hpp"
bool Pruner::init(const std::string &variant, const std::string &benchmark, Database *db) {
this->db = db;
if (!(m_variant_id = db->get_variant_id(variant, benchmark))) {
return false;
}
if (!(m_method_id = db->get_fspmethod_id(method_name()))) {
return false;
}
log << "Pruning variant "
<< variant << "/" << benchmark << " (ID: " << m_variant_id << ")"
<< " with method " << method_name() << " (ID: " << m_method_id << ")"
<< std::endl;
return true;
}
bool Pruner::create_database() {
std::string create_statement = "CREATE TABLE IF NOT EXISTS fsppilot ("
" id int(11) NOT NULL AUTO_INCREMENT,"
" known_outcome tinyint(4) NOT NULL,"
" variant_id int(11) NOT NULL,"
" instr2 int(10) unsigned NOT NULL,"
" data_address int(10) unsigned NOT NULL,"
" fspmethod_id int(11) NOT NULL,"
" PRIMARY KEY (id),"
" KEY fspmethod_id (fspmethod_id,variant_id,instr2,data_address)"
") engine=MyISAM ";
bool success = (bool) db->query(create_statement.c_str());
if (!success) return false;
create_statement = "CREATE TABLE IF NOT EXISTS fspgroup ("
" variant_id int(11) NOT NULL,"
" instr2 int(10) unsigned NOT NULL,"
" data_address int(10) unsigned NOT NULL,"
" fspmethod_id int(11) NOT NULL,"
" pilot_id int(11) NOT NULL,"
" PRIMARY KEY (variant_id, instr2, data_address, fspmethod_id, pilot_id),"
" KEY joinresults (pilot_id,fspmethod_id))";
return db->query(create_statement.c_str());
}
bool Pruner::clear_database() {
std::stringstream ss;
ss << "DELETE FROM fsppilot WHERE variant_id = " << m_variant_id << " AND fspmethod_id = " << m_method_id;
bool ret = (bool) db->query(ss.str().c_str());
log << "deleted " << db->affected_rows() << " rows from fsppilot table" << std::endl;
ss.str("");
ss << "DELETE FROM fspgroup WHERE variant_id = " << m_variant_id << " AND fspmethod_id = " << m_method_id;
ret = ret && (bool) db->query(ss.str().c_str());
log << "deleted " << db->affected_rows() << " rows from fspgroup table" << std::endl;
return ret;
}