gem5/base/trace.cc
Steve Reinhardt ad8b9636f8 Many files:
Update copyright dates and author list

SConscript:
arch/alpha/alpha_linux_process.cc:
arch/alpha/alpha_linux_process.hh:
arch/alpha/alpha_memory.cc:
arch/alpha/alpha_memory.hh:
arch/alpha/alpha_tru64_process.cc:
arch/alpha/alpha_tru64_process.hh:
arch/alpha/aout_machdep.h:
arch/alpha/arguments.cc:
arch/alpha/arguments.hh:
arch/alpha/ev5.cc:
arch/alpha/ev5.hh:
arch/alpha/faults.cc:
arch/alpha/faults.hh:
arch/alpha/isa_desc:
arch/alpha/isa_traits.hh:
arch/alpha/osfpal.cc:
arch/alpha/osfpal.hh:
arch/alpha/pseudo_inst.cc:
arch/alpha/pseudo_inst.hh:
arch/alpha/vptr.hh:
arch/alpha/vtophys.cc:
arch/alpha/vtophys.hh:
base/bitfield.hh:
base/callback.hh:
base/circlebuf.cc:
base/circlebuf.hh:
base/cprintf.cc:
base/cprintf.hh:
base/cprintf_formats.hh:
base/crc.hh:
base/date.cc:
base/dbl_list.hh:
base/endian.hh:
base/fast_alloc.cc:
base/fast_alloc.hh:
base/fifo_buffer.cc:
base/fifo_buffer.hh:
base/hashmap.hh:
base/hostinfo.cc:
base/hostinfo.hh:
base/hybrid_pred.cc:
base/hybrid_pred.hh:
base/inet.cc:
base/inet.hh:
base/inifile.cc:
base/inifile.hh:
base/intmath.cc:
base/intmath.hh:
base/match.cc:
base/match.hh:
base/misc.cc:
base/misc.hh:
base/mod_num.hh:
base/mysql.cc:
base/mysql.hh:
base/output.cc:
base/output.hh:
base/pollevent.cc:
base/pollevent.hh:
base/predictor.hh:
base/random.cc:
base/random.hh:
base/range.cc:
base/range.hh:
base/refcnt.hh:
base/remote_gdb.cc:
base/remote_gdb.hh:
base/res_list.hh:
base/sat_counter.cc:
base/sat_counter.hh:
base/sched_list.hh:
base/socket.cc:
base/socket.hh:
base/statistics.cc:
base/statistics.hh:
base/compression/lzss_compression.cc:
base/compression/lzss_compression.hh:
base/compression/null_compression.hh:
base/loader/aout_object.cc:
base/loader/aout_object.hh:
base/loader/ecoff_object.cc:
base/loader/ecoff_object.hh:
base/loader/elf_object.cc:
base/loader/elf_object.hh:
base/loader/object_file.cc:
base/loader/object_file.hh:
base/loader/symtab.cc:
base/loader/symtab.hh:
base/stats/events.cc:
base/stats/events.hh:
base/stats/flags.hh:
base/stats/mysql.cc:
base/stats/mysql.hh:
base/stats/mysql_run.hh:
base/stats/output.hh:
base/stats/statdb.cc:
base/stats/statdb.hh:
base/stats/text.cc:
base/stats/text.hh:
base/stats/types.hh:
base/stats/visit.cc:
base/stats/visit.hh:
base/str.cc:
base/str.hh:
base/time.cc:
base/time.hh:
base/timebuf.hh:
base/trace.cc:
base/trace.hh:
base/userinfo.cc:
base/userinfo.hh:
build/SConstruct:
cpu/base.cc:
cpu/base.hh:
cpu/base_dyn_inst.cc:
cpu/base_dyn_inst.hh:
cpu/exec_context.cc:
cpu/exec_context.hh:
cpu/exetrace.cc:
cpu/exetrace.hh:
cpu/inst_seq.hh:
cpu/intr_control.cc:
cpu/intr_control.hh:
cpu/memtest/memtest.cc:
cpu/pc_event.cc:
cpu/pc_event.hh:
cpu/smt.hh:
cpu/static_inst.cc:
cpu/static_inst.hh:
cpu/memtest/memtest.hh:
cpu/o3/sat_counter.cc:
cpu/o3/sat_counter.hh:
cpu/ozone/cpu.hh:
cpu/simple/cpu.cc:
cpu/simple/cpu.hh:
cpu/trace/opt_cpu.cc:
cpu/trace/opt_cpu.hh:
cpu/trace/reader/ibm_reader.cc:
cpu/trace/reader/ibm_reader.hh:
cpu/trace/reader/itx_reader.cc:
cpu/trace/reader/itx_reader.hh:
cpu/trace/reader/m5_reader.cc:
cpu/trace/reader/m5_reader.hh:
cpu/trace/reader/mem_trace_reader.cc:
cpu/trace/reader/mem_trace_reader.hh:
cpu/trace/trace_cpu.cc:
cpu/trace/trace_cpu.hh:
dev/alpha_access.h:
dev/alpha_console.cc:
dev/alpha_console.hh:
dev/baddev.cc:
dev/baddev.hh:
dev/disk_image.cc:
dev/disk_image.hh:
dev/etherbus.cc:
dev/etherbus.hh:
dev/etherdump.cc:
dev/etherdump.hh:
dev/etherint.cc:
dev/etherint.hh:
dev/etherlink.cc:
dev/etherlink.hh:
dev/etherpkt.cc:
dev/etherpkt.hh:
dev/ethertap.cc:
dev/ethertap.hh:
dev/ide_ctrl.cc:
dev/ide_ctrl.hh:
dev/ide_disk.cc:
dev/ide_disk.hh:
dev/io_device.cc:
dev/io_device.hh:
dev/ns_gige.cc:
dev/ns_gige.hh:
dev/ns_gige_reg.h:
dev/pciconfigall.cc:
dev/pciconfigall.hh:
dev/pcidev.cc:
dev/pcidev.hh:
dev/pcireg.h:
dev/pktfifo.cc:
dev/pktfifo.hh:
dev/platform.cc:
dev/platform.hh:
dev/simconsole.cc:
dev/simconsole.hh:
dev/simple_disk.cc:
dev/simple_disk.hh:
dev/sinic.cc:
dev/sinic.hh:
dev/sinicreg.hh:
dev/tsunami.cc:
dev/tsunami.hh:
dev/tsunami_cchip.cc:
dev/tsunami_cchip.hh:
dev/tsunami_io.cc:
dev/tsunami_io.hh:
dev/tsunami_pchip.cc:
dev/tsunami_pchip.hh:
dev/tsunamireg.h:
dev/uart.cc:
dev/uart.hh:
dev/uart8250.cc:
dev/uart8250.hh:
docs/stl.hh:
encumbered/cpu/full/op_class.hh:
kern/kernel_stats.cc:
kern/kernel_stats.hh:
kern/linux/linux.hh:
kern/linux/linux_syscalls.cc:
kern/linux/linux_syscalls.hh:
kern/linux/linux_system.cc:
kern/linux/linux_system.hh:
kern/linux/linux_threadinfo.hh:
kern/linux/printk.cc:
kern/linux/printk.hh:
kern/system_events.cc:
kern/system_events.hh:
kern/tru64/dump_mbuf.cc:
kern/tru64/dump_mbuf.hh:
kern/tru64/mbuf.hh:
kern/tru64/printf.cc:
kern/tru64/printf.hh:
kern/tru64/tru64.hh:
kern/tru64/tru64_events.cc:
kern/tru64/tru64_events.hh:
kern/tru64/tru64_syscalls.cc:
kern/tru64/tru64_syscalls.hh:
kern/tru64/tru64_system.cc:
kern/tru64/tru64_system.hh:
python/SConscript:
python/m5/__init__.py:
python/m5/config.py:
python/m5/convert.py:
python/m5/multidict.py:
python/m5/smartdict.py:
sim/async.hh:
sim/builder.cc:
sim/builder.hh:
sim/debug.cc:
sim/debug.hh:
sim/eventq.cc:
sim/eventq.hh:
sim/host.hh:
sim/main.cc:
sim/param.cc:
sim/param.hh:
sim/process.cc:
sim/process.hh:
sim/root.cc:
sim/serialize.cc:
sim/serialize.hh:
sim/sim_events.cc:
sim/sim_events.hh:
sim/sim_exit.hh:
sim/sim_object.cc:
sim/sim_object.hh:
sim/startup.cc:
sim/startup.hh:
sim/stat_control.cc:
sim/stat_control.hh:
sim/stats.hh:
sim/syscall_emul.cc:
sim/syscall_emul.hh:
sim/system.cc:
sim/system.hh:
test/bitvectest.cc:
test/circletest.cc:
test/cprintftest.cc:
test/genini.py:
test/initest.cc:
test/lru_test.cc:
test/nmtest.cc:
test/offtest.cc:
test/paramtest.cc:
test/rangetest.cc:
test/sized_test.cc:
test/stattest.cc:
test/strnumtest.cc:
test/symtest.cc:
test/tokentest.cc:
test/tracetest.cc:
util/ccdrv/devtime.c:
util/m5/m5.c:
util/oprofile-top.py:
util/rundiff:
util/m5/m5op.h:
util/m5/m5op.s:
util/stats/db.py:
util/stats/dbinit.py:
util/stats/display.py:
util/stats/info.py:
util/stats/print.py:
util/stats/stats.py:
util/tap/tap.cc:
    Update copyright dates and author list

--HG--
extra : convert_revision : 0faba08fc0fc0146f1efb7f61e4b043c020ff9e4
2005-06-05 05:16:00 -04:00

350 lines
7.8 KiB
C++

/*
* Copyright (c) 2001-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <ctype.h>
#include <fstream>
#include <iostream>
#include <list>
#include <string>
#include <vector>
#include "base/misc.hh"
#include "base/trace.hh"
#include "base/str.hh"
using namespace std;
namespace Trace {
const string DefaultName("global");
FlagVec flags(NumFlags, false);
//
// This variable holds the output stream for debug information. Other
// than setting up/redirecting this stream, do *NOT* reference this
// directly; use DebugOut() (see below) to access this stream for
// output.
//
ostream *dprintf_stream = &cerr;
ObjectMatch ignore;
Log theLog;
Log::Log()
{
size = 0;
buffer = NULL;
}
void
Log::init(int _size)
{
if (buffer != NULL) {
fatal("Trace::Log::init called twice!");
}
size = _size;
buffer = new Record *[size];
for (int i = 0; i < size; ++i) {
buffer[i] = NULL;
}
nextRecPtr = &buffer[0];
wrapRecPtr = &buffer[size];
}
Log::~Log()
{
for (int i = 0; i < size; ++i) {
delete buffer[i];
}
delete [] buffer;
}
void
Log::append(Record *rec)
{
// dump record to output stream if there's one open
if (dprintf_stream != NULL) {
rec->dump(*dprintf_stream);
} else {
rec->dump(cout);
}
// no buffering: justget rid of it now
if (buffer == NULL) {
delete rec;
return;
}
Record *oldRec = *nextRecPtr;
if (oldRec != NULL) {
// log has wrapped: overwrite
delete oldRec;
}
*nextRecPtr = rec;
if (++nextRecPtr == wrapRecPtr) {
nextRecPtr = &buffer[0];
}
}
void
Log::dump(ostream &os)
{
if (buffer == NULL) {
return;
}
Record **bufPtr = nextRecPtr;
if (*bufPtr == NULL) {
// next record slot is empty: log must not be full yet.
// start dumping from beginning of buffer
bufPtr = buffer;
}
do {
Record *rec = *bufPtr;
rec->dump(os);
if (++bufPtr == wrapRecPtr) {
bufPtr = &buffer[0];
}
} while (bufPtr != nextRecPtr);
}
PrintfRecord::~PrintfRecord()
{
delete &args;
}
void
PrintfRecord::dump(ostream &os)
{
string fmt = "";
if (!name.empty()) {
fmt = "%s: " + fmt;
args.prepend(name);
}
if (cycle != (Tick)-1) {
fmt = "%7d: " + fmt;
args.prepend(cycle);
}
fmt += format;
args.dump(os, fmt);
os.flush();
}
DataRecord::DataRecord(Tick _cycle, const string &_name,
const void *_data, int _len)
: Record(_cycle), name(_name), len(_len)
{
data = new uint8_t[len];
memcpy(data, _data, len);
}
DataRecord::~DataRecord()
{
delete [] data;
}
void
DataRecord::dump(ostream &os)
{
int c, i, j;
for (i = 0; i < len; i += 16) {
ccprintf(os, "%d: %s: %08x ", cycle, name, i);
c = len - i;
if (c > 16) c = 16;
for (j = 0; j < c; j++) {
ccprintf(os, "%02x ", data[i + j] & 0xff);
if ((j & 0xf) == 7 && j > 0)
ccprintf(os, " ");
}
for (; j < 16; j++)
ccprintf(os, " ");
ccprintf(os, " ");
for (j = 0; j < c; j++) {
int ch = data[i + j] & 0x7f;
ccprintf(os,
"%c", (char)(isprint(ch) ? ch : ' '));
}
ccprintf(os, "\n");
if (c < 16)
break;
}
}
} // namespace Trace
//
// Returns the current output stream for debug information. As a
// wrapper around Trace::dprintf_stream, this handles cases where debug
// information is generated in the process of parsing .ini options,
// before we process the option that sets up the debug output stream
// itself.
//
std::ostream &
DebugOut()
{
return *Trace::dprintf_stream;
}
/////////////////////////////////////////////
//
// C-linkage functions for invoking from gdb
//
/////////////////////////////////////////////
//
// Dump trace buffer to specified file (cout if NULL)
//
extern "C"
void
dumpTrace(const char *filename)
{
if (filename != NULL) {
ofstream out(filename);
Trace::theLog.dump(out);
out.close();
}
else {
Trace::theLog.dump(cout);
}
}
//
// Turn on/off trace output to cerr. Typically used when trace output
// is only going to circular buffer, but you want to see what's being
// sent there as you step through some code in gdb. This uses the
// same facility as the "trace to file" feature, and will print error
// messages rather than clobbering an existing ostream pointer.
//
extern "C"
void
echoTrace(bool on)
{
if (on) {
if (Trace::dprintf_stream != NULL) {
cerr << "Already echoing trace to a file... go do a 'tail -f'"
<< " on that file instead." << endl;
} else {
Trace::dprintf_stream = &cerr;
}
} else {
if (Trace::dprintf_stream != &cerr) {
cerr << "Not echoing trace to cerr." << endl;
} else {
Trace::dprintf_stream = NULL;
}
}
}
extern "C"
void
printTraceFlags()
{
using namespace Trace;
for (int i = 0; i < numFlagStrings; ++i)
if (flags[i])
cprintf("%s\n", flagStrings[i]);
}
void
tweakTraceFlag(const char *string, bool value)
{
using namespace Trace;
std::string str(string);
for (int i = 0; i < numFlagStrings; ++i) {
if (str != flagStrings[i])
continue;
int idx = i;
if (idx < NumFlags) {
flags[idx] = value;
} else {
idx -= NumFlags;
if (idx >= NumCompoundFlags) {
ccprintf(cerr, "Invalid compound flag");
return;
}
const Flags *flagVec = compoundFlags[idx];
for (int j = 0; flagVec[j] != -1; ++j) {
if (flagVec[j] >= NumFlags) {
ccprintf(cerr, "Invalid compound flag");
return;
}
flags[flagVec[j]] = value;
}
}
cprintf("flag %s was %s\n", string, value ? "set" : "cleared");
return;
}
cprintf("could not find flag %s\n", string);
}
extern "C"
void
setTraceFlag(const char *string)
{
tweakTraceFlag(string, true);
}
extern "C"
void
clearTraceFlag(const char *string)
{
tweakTraceFlag(string, false);
}