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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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50
tools/prune-trace/BasicPruner.cc Normal file
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#include <sstream>
#include "BasicPruner.hpp"
#include "util/Logger.hpp"
static fail::Logger log ("BasicPruner");
bool BasicPruner::prune_all() {
std::stringstream ss;
ss << "INSERT INTO fsppilot (known_outcome, variant_id, instr2, data_address, fspmethod_id) "
"SELECT 0, variant_id, instr2, data_address, " << m_method_id << " "
"FROM trace "
"WHERE variant_id = " << m_variant_id << " AND accesstype = 'R'";
if (!db->query(ss.str().c_str())) return false;
ss.str("");
int rows = db->affected_rows();
// single entry for known outcome (write access)
ss << "INSERT INTO fsppilot (known_outcome, variant_id, instr2, data_address, fspmethod_id) "
"SELECT 1, variant_id, instr2, data_address, " << m_method_id << " "
"FROM trace "
"WHERE variant_id = " << m_variant_id << " AND accesstype = 'W' "
"LIMIT 1";
if (!db->query(ss.str().c_str())) return false;
ss.str("");
rows += db->affected_rows();
log << "created " << rows << " fsppilot entries" << std::endl;
ss << "INSERT INTO fspgroup (variant_id, instr2, data_address, fspmethod_id, pilot_id) "
"SELECT variant_id, instr2, data_address, fspmethod_id, id "
"FROM fsppilot "
"WHERE known_outcome = 0 AND fspmethod_id = " << m_method_id << " AND variant_id = " << m_variant_id;
if (!db->query(ss.str().c_str())) return false;
ss.str("");
rows = db->affected_rows();
ss << "INSERT INTO fspgroup (variant_id, instr2, data_address, fspmethod_id, pilot_id) "
"SELECT t.variant_id, t.instr2, t.data_address, p.fspmethod_id, p.id "
"FROM trace t "
"JOIN fsppilot p "
"ON t.variant_id = p.variant_id AND p.fspmethod_id = " << m_method_id << " AND p.known_outcome = 1 "
"WHERE t.variant_id = " << m_variant_id << " AND t.accesstype = 'W'";
if (!db->query(ss.str().c_str())) return false;
ss.str("");
rows += db->affected_rows();
log << "created " << rows << " fspgroup entries" << std::endl;
return true;
}