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Namespaces unified (sal+fi -> fail), Code cleanups (-> coding-style.txt), Doxygen-comments fixed.

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git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1319 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
This commit is contained in:
adrian
2012-06-07 17:47:19 +00:00
parent cdd5379e19
commit b7d904140e
136 changed files with 1487 additions and 1554 deletions
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133
core/experiments/checksum-oostubs/experiment.cc
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@ -5,11 +5,9 @@
#include <unistd.h>
#include "util/Logger.hpp"
#include "experiment.hpp"
#include "experimentInfo.hpp"
#include "campaign.hpp"
#include "SAL/SALConfig.hpp"
#include "SAL/SALInst.hpp"
#include "SAL/Memory.hpp"
@ -21,7 +19,8 @@
#include "ecc_region.hpp"
using std::endl;
using namespace std;
using namespace fail;
// Check if configuration dependencies are satisfied:
#if !defined(CONFIG_EVENT_BREAKPOINTS) || !defined(CONFIG_SR_RESTORE) || \
@ -33,33 +32,33 @@ bool ChecksumOOStuBSExperiment::run()
{
char const *statename = "checksum-oostubs.state";
Logger log("Checksum-OOStuBS", false);
fi::BPSingleEvent bp;
BPSingleEvent bp;
log << "startup" << endl;
#if 1
// STEP 0: record memory map with addresses of "interesting" objects
fi::GuestEvent g;
GuestEvent g;
while (true) {
sal::simulator.addEventAndWait(&g);
std::cout << g.getData() << std::flush;
simulator.addEventAndWait(&g);
cout << g.getData() << flush;
}
#elif 0
// STEP 1: run until interesting function starts, and save state
bp.setWatchInstructionPointer(OOSTUBS_FUNC_ENTRY);
sal::simulator.addEventAndWait(&bp);
simulator.addEventAndWait(&bp);
log << "test function entry reached, saving state" << endl;
log << "EIP = " << std::hex << bp.getTriggerInstructionPointer() << endl;
log << "error_corrected = " << std::dec << ((int)sal::simulator.getMemoryManager().getByte(OOSTUBS_ERROR_CORRECTED)) << endl;
sal::simulator.save(statename);
log << "EIP = " << hex << bp.getTriggerInstructionPointer() << endl;
log << "error_corrected = " << dec << ((int)simulator.getMemoryManager().getByte(OOSTUBS_ERROR_CORRECTED)) << endl;
simulator.save(statename);
assert(bp.getTriggerInstructionPointer() == OOSTUBS_FUNC_ENTRY);
assert(sal::simulator.getRegisterManager().getInstructionPointer() == OOSTUBS_FUNC_ENTRY);
assert(simulator.getRegisterManager().getInstructionPointer() == OOSTUBS_FUNC_ENTRY);
#elif 1
// STEP 2: record trace for fault-space pruning
log << "restoring state" << endl;
sal::simulator.restore(statename);
log << "EIP = " << std::hex << sal::simulator.getRegisterManager().getInstructionPointer() << endl;
assert(sal::simulator.getRegisterManager().getInstructionPointer() == OOSTUBS_FUNC_ENTRY);
simulator.restore(statename);
log << "EIP = " << hex << simulator.getRegisterManager().getInstructionPointer() << endl;
assert(simulator.getRegisterManager().getInstructionPointer() == OOSTUBS_FUNC_ENTRY);
log << "enabling tracing" << endl;
TracingPlugin tp;
@ -73,37 +72,37 @@ bool ChecksumOOStuBSExperiment::run()
// record trace
char const *tracefile = "trace.pb";
std::ofstream of(tracefile);
ofstream of(tracefile);
tp.setTraceFile(&of);
// this must be done *after* configuring the plugin:
sal::simulator.addFlow(&tp);
simulator.addFlow(&tp);
bp.setWatchInstructionPointer(fi::ANY_ADDR);
bp.setWatchInstructionPointer(ANY_ADDR);
bp.setCounter(OOSTUBS_NUMINSTR);
sal::simulator.addEvent(&bp);
fi::BPSingleEvent func_finish(OOSTUBS_FUNC_FINISH);
sal::simulator.addEvent(&func_finish);
simulator.addEvent(&bp);
BPSingleEvent func_finish(OOSTUBS_FUNC_FINISH);
simulator.addEvent(&func_finish);
if (sal::simulator.waitAny() == &func_finish) {
if (simulator.waitAny() == &func_finish) {
log << "experiment reached finish()" << endl;
// FIXME add instruction counter to SimulatorController
sal::simulator.waitAny();
simulator.waitAny();
}
log << "experiment finished after " << std::dec << OOSTUBS_NUMINSTR << " instructions" << endl;
log << "experiment finished after " << dec << OOSTUBS_NUMINSTR << " instructions" << endl;
uint32_t results[OOSTUBS_RESULTS_BYTES / sizeof(uint32_t)];
sal::simulator.getMemoryManager().getBytes(OOSTUBS_RESULTS_ADDR, sizeof(results), results);
simulator.getMemoryManager().getBytes(OOSTUBS_RESULTS_ADDR, sizeof(results), results);
for (unsigned i = 0; i < sizeof(results) / sizeof(*results); ++i) {
log << "results[" << i << "]: " << std::dec << results[i] << endl;
log << "results[" << i << "]: " << dec << results[i] << endl;
}
sal::simulator.removeFlow(&tp);
simulator.removeFlow(&tp);
// serialize trace to file
if (of.fail()) {
log << "failed to write " << tracefile << endl;
sal::simulator.clearEvents(this);
simulator.clearEvents(this);
return false;
}
of.close();
@ -117,7 +116,7 @@ bool ChecksumOOStuBSExperiment::run()
// STEP 3: The actual experiment.
log << "restoring state" << endl;
sal::simulator.restore(statename);
simulator.restore(statename);
// get an experiment parameter set
log << "asking job server for experiment parameters" << endl;
@ -125,7 +124,7 @@ bool ChecksumOOStuBSExperiment::run()
if (!m_jc.getParam(param)) {
log << "Dying." << endl;
// communicate that we were told to die
sal::simulator.terminate(1);
simulator.terminate(1);
}
/*
// XXX debug
@ -142,49 +141,49 @@ bool ChecksumOOStuBSExperiment::run()
log << "job " << id << " instr " << instr_offset << " mem " << mem_addr << "+" << bit_offset << endl;
// XXX debug
std::stringstream fname;
stringstream fname;
fname << "job." << ::getpid();
std::ofstream job(fname.str().c_str());
ofstream job(fname.str().c_str());
job << "job " << id << " instr " << instr_offset << " (" << param.msg.instr_address() << ") mem " << mem_addr << "+" << bit_offset << endl;
job.close();
// reaching finish() could happen before OR after FI
fi::BPSingleEvent func_finish(OOSTUBS_FUNC_FINISH);
sal::simulator.addEvent(&func_finish);
BPSingleEvent func_finish(OOSTUBS_FUNC_FINISH);
simulator.addEvent(&func_finish);
bool finish_reached = false;
// no need to wait if offset is 0
if (instr_offset > 0) {
// XXX test this with coolchecksum first (or reassure with sanity checks)
// XXX could be improved with intermediate states (reducing runtime until injection)
bp.setWatchInstructionPointer(fi::ANY_ADDR);
bp.setWatchInstructionPointer(ANY_ADDR);
bp.setCounter(instr_offset);
sal::simulator.addEvent(&bp);
simulator.addEvent(&bp);
// finish() before FI?
if (sal::simulator.waitAny() == &func_finish) {
if (simulator.waitAny() == &func_finish) {
finish_reached = true;
log << "experiment reached finish() before FI" << endl;
// wait for bp
sal::simulator.waitAny();
simulator.waitAny();
}
}
// --- fault injection ---
sal::MemoryManager& mm = sal::simulator.getMemoryManager();
sal::byte_t data = mm.getByte(mem_addr);
sal::byte_t newdata = data ^ (1 << bit_offset);
MemoryManager& mm = simulator.getMemoryManager();
byte_t data = mm.getByte(mem_addr);
byte_t newdata = data ^ (1 << bit_offset);
mm.setByte(mem_addr, newdata);
// note at what IP we did it
int32_t injection_ip = sal::simulator.getRegisterManager().getInstructionPointer();
int32_t injection_ip = simulator.getRegisterManager().getInstructionPointer();
param.msg.set_injection_ip(injection_ip);
log << "fault injected @ ip " << injection_ip
<< " 0x" << std::hex << ((int)data) << " -> 0x" << ((int)newdata) << endl;
<< " 0x" << hex << ((int)data) << " -> 0x" << ((int)newdata) << endl;
// sanity check
if (param.msg.has_instr_address() &&
injection_ip != param.msg.instr_address()) {
std::stringstream ss;
stringstream ss;
ss << "SANITY CHECK FAILED: " << injection_ip
<< " != " << param.msg.instr_address();
log << ss.str() << endl;
@ -192,7 +191,7 @@ bool ChecksumOOStuBSExperiment::run()
param.msg.set_latest_ip(injection_ip);
param.msg.set_details(ss.str());
sal::simulator.clearEvents();
simulator.clearEvents();
m_jc.sendResult(param);
continue;
}
@ -209,27 +208,27 @@ bool ChecksumOOStuBSExperiment::run()
// * a correct result[0-2]
// catch traps as "extraordinary" ending
fi::TrapEvent ev_trap(fi::ANY_TRAP);
sal::simulator.addEvent(&ev_trap);
TrapEvent ev_trap(ANY_TRAP);
simulator.addEvent(&ev_trap);
// OOStuBS' way to terminally halt (CLI+HLT)
fi::BPSingleEvent ev_halt(OOSTUBS_FUNC_CPU_HALT);
sal::simulator.addEvent(&ev_halt);
BPSingleEvent ev_halt(OOSTUBS_FUNC_CPU_HALT);
simulator.addEvent(&ev_halt);
// remaining instructions until "normal" ending
fi::BPSingleEvent ev_done(fi::ANY_ADDR);
BPSingleEvent ev_done(ANY_ADDR);
ev_done.setCounter(OOSTUBS_NUMINSTR + OOSTUBS_RECOVERYINSTR - instr_offset);
sal::simulator.addEvent(&ev_done);
simulator.addEvent(&ev_done);
/*
// XXX debug
log << "enabling tracing" << endl;
TracingPlugin tp;
tp.setLogIPOnly(true);
tp.setOstream(&std::cout);
tp.setOstream(&cout);
// this must be done *after* configuring the plugin:
sal::simulator.addFlow(&tp);
simulator.addFlow(&tp);
*/
fi::BaseEvent* ev = sal::simulator.waitAny();
BaseEvent* ev = simulator.waitAny();
// Do we reach finish() while waiting for ev_trap/ev_done?
if (ev == &func_finish) {
@ -237,40 +236,40 @@ bool ChecksumOOStuBSExperiment::run()
log << "experiment reached finish()" << endl;
// wait for ev_trap/ev_done
ev = sal::simulator.waitAny();
ev = simulator.waitAny();
}
// record resultdata, finish_reached and error_corrected regardless of result
uint32_t results[OOSTUBS_RESULTS_BYTES / sizeof(uint32_t)];
sal::simulator.getMemoryManager().getBytes(OOSTUBS_RESULTS_ADDR, sizeof(results), results);
simulator.getMemoryManager().getBytes(OOSTUBS_RESULTS_ADDR, sizeof(results), results);
for (unsigned i = 0; i < sizeof(results) / sizeof(*results); ++i) {
log << "results[" << i << "]: " << std::dec << results[i] << endl;
log << "results[" << i << "]: " << dec << results[i] << endl;
param.msg.add_resultdata(results[i]);
}
param.msg.set_finish_reached(finish_reached);
int32_t error_corrected = sal::simulator.getMemoryManager().getByte(OOSTUBS_ERROR_CORRECTED);
int32_t error_corrected = simulator.getMemoryManager().getByte(OOSTUBS_ERROR_CORRECTED);
param.msg.set_error_corrected(error_corrected);
param.msg.set_latest_ip(sal::simulator.getRegisterManager().getInstructionPointer());
param.msg.set_latest_ip(simulator.getRegisterManager().getInstructionPointer());
if (ev == &ev_done) {
log << std::dec << "Result FINISHED" << endl;
log << dec << "Result FINISHED" << endl;
param.msg.set_resulttype(param.msg.FINISHED);
} else if (ev == &ev_halt) {
log << std::dec << "Result HALT" << endl;
log << dec << "Result HALT" << endl;
param.msg.set_resulttype(param.msg.HALT);
} else if (ev == &ev_trap) {
log << std::dec << "Result TRAP #" << ev_trap.getTriggerNumber() << endl;
log << dec << "Result TRAP #" << ev_trap.getTriggerNumber() << endl;
param.msg.set_resulttype(param.msg.TRAP);
std::stringstream ss;
stringstream ss;
ss << ev_trap.getTriggerNumber();
param.msg.set_details(ss.str());
} else {
log << std::dec << "Result WTF?" << endl;
log << dec << "Result WTF?" << endl;
param.msg.set_resulttype(param.msg.UNKNOWN);
std::stringstream ss;
ss << "eventid " << ev->getId() << " EIP " << sal::simulator.getRegisterManager().getInstructionPointer();
stringstream ss;
ss << "eventid " << ev->getId() << " EIP " << simulator.getRegisterManager().getInstructionPointer();
param.msg.set_details(ss.str());
}
m_jc.sendResult(param);
@ -278,5 +277,5 @@ bool ChecksumOOStuBSExperiment::run()
}
#endif
// Explicitly terminate, or the simulator will continue to run.
sal::simulator.terminate();
simulator.terminate();
}