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/*
* Unix SMB/CIFS implementation.
* Performance Counter Daemon
*
* Copyright (C) Marcin Krzysztof Porwit 2005
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "perf.h"
sig_atomic_t keep_running = TRUE;
/* allocates memory and gets numCPUs, total memory, and PerfFreq, number of disks... */
void get_constants(PERF_DATA_BLOCK *data)
{
data->cpuInfo.numCPUs = sysconf(_SC_NPROCESSORS_ONLN) > 0 ? sysconf(_SC_NPROCESSORS_ONLN) : 1;
data->PerfFreq = sysconf(_SC_CLK_TCK);
init_mem_data(data);
init_cpu_data(data);
init_process_data(data);
init_disk_data(data);
return;
}
void output_num_instances(PerfCounter obj, int numInst, RuntimeSettings rt)
{
char key[NAME_LEN];
char sdata[NAME_LEN];
make_key(key, NAME_LEN, obj.index, "inst");
memset(sdata, 0, NAME_LEN);
sprintf(sdata, "%d", numInst);
add_key(rt.cnames, key, sdata, TDB_INSERT);
return;
}
void output_perf_desc(PerfCounter counter, RuntimeSettings rt)
{
char key[NAME_LEN];
char sdata[NAME_LEN];
/* First insert the counter name */
make_key(key, NAME_LEN, counter.index, NULL);
add_key(rt.cnames, key, counter.name, TDB_INSERT);
/* Add the help string */
make_key(key, NAME_LEN, counter.index + 1, NULL);
add_key(rt.cnames, key, counter.help, TDB_INSERT);
/* Add the relationships */
make_key(key, NAME_LEN, counter.index, "rel");
add_key(rt.cnames, key, counter.relationships, TDB_INSERT);
/* Add type data if not PERF_OBJECT or PERF_INSTANCE */
if(counter.record_type == PERF_COUNTER)
{
make_key(key, NAME_LEN, counter.index, "type");
memset(sdata, 0, NAME_LEN);
sprintf(sdata, "%d", counter.counter_type);
add_key(rt.cnames, key, sdata, TDB_INSERT);
}
return;
}
void initialize(PERF_DATA_BLOCK *data, RuntimeSettings *rt, int argc, char **argv)
{
memset(data, 0, sizeof(*data));
memset(rt, 0, sizeof(*rt));
parse_flags(rt, argc, argv);
setup_file_paths(rt);
get_constants(data);
if(rt->dflag == TRUE)
daemonize(rt);
output_mem_desc(data, *rt);
output_cpu_desc(data, *rt);
output_process_desc(data, *rt);
output_disk_desc(data, *rt);
return;
}
void refresh_perf_data_block(PERF_DATA_BLOCK *data, RuntimeSettings rt)
{
data->PerfTime100nSec = 0;
get_meminfo(data);
get_cpuinfo(data);
get_processinfo(data);
get_diskinfo(data);
return;
}
void output_perf_counter(PerfCounter counter, unsigned long long data,
RuntimeSettings rt, int tdb_flags)
{
char key[NAME_LEN];
char sdata[NAME_LEN];
unsigned int size_mask;
make_key(key, NAME_LEN, counter.index, NULL);
memset(sdata, 0, NAME_LEN);
size_mask = counter.counter_type & PERF_SIZE_VARIABLE_LEN;
if(size_mask == PERF_SIZE_DWORD)
sprintf(sdata, "%d", (unsigned int)data);
else if(size_mask == PERF_SIZE_LARGE)
sprintf(sdata, "%Lu", data);
add_key(rt.cdata, key, sdata, tdb_flags);
return;
}
void output_perf_instance(int parentObjInd,
int instanceInd,
void *instData,
size_t dsize,
char *name,
RuntimeSettings rt,
int tdb_flags)
{
char key[NAME_LEN];
char sdata[NAME_LEN];
memset(key, 0, NAME_LEN);
sprintf(key, "%di%d", parentObjInd, instanceInd);
add_key_raw(rt.cdata, key, instData, dsize, tdb_flags);
/* encode name */
memset(key, 0, NAME_LEN);
sprintf(key, "%di%dname", parentObjInd, instanceInd);
add_key(rt.cnames, key, name, tdb_flags);
return;
}
void output_global_data(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags)
{
int i;
char key[NAME_LEN];
char sdata[NAME_LEN];
/* Initialize BaseIndex */
make_key(key, NAME_LEN, 1, NULL);
memset(sdata, 0, NAME_LEN);
sprintf(sdata, "%d", data->num_counters);
add_key(rt.cnames, key, sdata, tdb_flags);
/* Initialize PerfTime, PerfFreq and PerfTime100nSec */
memset(sdata, 0, NAME_LEN);
make_key(key, NAME_LEN, 0, "PerfTime");
sprintf(sdata, "%Lu", data->PerfTime);
add_key(rt.cdata, key, sdata, tdb_flags);
make_key(key, NAME_LEN, 0, "PerfTime100nSec");
memset(sdata, 0, NAME_LEN);
sprintf(sdata, "%Lu", data->PerfTime100nSec);
add_key(rt.cdata, key, sdata, tdb_flags);
memset(sdata, 0, NAME_LEN);
make_key(key, NAME_LEN, 0, "PerfFreq");
sprintf(sdata, "%Lu", data->PerfFreq);
add_key(rt.cnames, key, sdata, tdb_flags);
return;
}
void output_perf_data_block(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags)
{
output_global_data(data, rt, tdb_flags);
output_meminfo(data, rt, tdb_flags);
output_cpuinfo(data, rt, tdb_flags);
output_processinfo(data, rt, tdb_flags);
output_diskinfo(data, rt, tdb_flags);
return;
}
void update_counters(PERF_DATA_BLOCK *data, RuntimeSettings rt)
{
refresh_perf_data_block(data, rt);
output_perf_data_block(data, rt, TDB_REPLACE);
return;
}
int main(int argc, char **argv)
{
PERF_DATA_BLOCK data;
RuntimeSettings rt;
initialize(&data, &rt, argc, argv);
while(keep_running)
{
update_counters(&data, rt);
sleep(1);
}
return 0;
}
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