gem5/base/stats/events.cc

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/*
* Copyright (c) 2004 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 <vector>
#ifdef USE_MYSQL
#include "base/cprintf.hh"
#include "base/misc.hh"
#include "base/mysql.hh"
#include "base/stats/events.hh"
#include "base/stats/mysql.hh"
#include "base/stats/mysql_run.hh"
#include "base/str.hh"
#endif
#include "base/match.hh"
#include "sim/host.hh"
#include "sim/sim_object.hh"
#include "sim/universe.hh"
using namespace std;
namespace Stats {
Tick EventStart = ULL(0x7fffffffffffffff);
ObjectMatch event_ignore;
#ifdef USE_MYSQL
class InsertEvent
{
private:
char *query;
int size;
bool first;
static const int maxsize = 1024*1024;
typedef map<string, uint32_t> event_map_t;
event_map_t events;
MySQL::Connection &mysql;
uint16_t run;
public:
InsertEvent()
: mysql(MySqlDB.conn()), run(MySqlDB.run())
{
query = new char[maxsize + 1];
size = 0;
first = true;
flush();
}
~InsertEvent()
{
flush();
}
void flush();
void insert(const string &stat);
};
void
InsertEvent::insert(const string &stat)
{
assert(mysql.connected());
event_map_t::iterator i = events.find(stat);
uint32_t event;
if (i == events.end()) {
mysql.query(
csprintf("SELECT en_id "
"from event_names "
"where en_name=\"%s\"",
stat));
MySQL::Result result = mysql.store_result();
if (!result)
panic("could not get a run\n%s\n", mysql.error);
assert(result.num_fields() == 1);
MySQL::Row row = result.fetch_row();
if (row) {
if (!to_number(row[0], event))
panic("invalid event id: %s\n", row[0]);
} else {
mysql.query(
csprintf("INSERT INTO "
"event_names(en_name)"
"values(\"%s\")",
stat));
if (mysql.error)
panic("could not get a run\n%s\n", mysql.error);
event = mysql.insert_id();
}
} else {
event = (*i).second;
}
if (size + 1024 > maxsize)
flush();
if (!first) {
query[size++] = ',';
query[size] = '\0';
}
first = false;
size += sprintf(query + size, "(%u,%u,%llu)",
event, run, curTick);
}
void
InsertEvent::flush()
{
if (size) {
MySQL::Connection &mysql = MySqlDB.conn();
assert(mysql.connected());
mysql.query(query);
}
query[0] = '\0';
size = 0;
first = true;
strcpy(query, "INSERT INTO "
"events(ev_event, ev_run, ev_tick)"
"values");
size = strlen(query);
}
void
__event(const string &stat)
{
static InsertEvent event;
event.insert(stat);
}
#endif
/* namespace Stats */ }