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samba-mirror/examples/perfcounter/perf_writer_mem.c

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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"
void get_meminfo(PERF_DATA_BLOCK *data)
{
int status;
struct sysinfo info;
status = sysinfo(&info);
data->memInfo.data->availPhysKb = (info.freeram * info.mem_unit)/1024;
data->memInfo.data->availSwapKb = (info.freeswap * info.mem_unit)/1024;
data->memInfo.data->totalPhysKb = (info.totalram * info.mem_unit)/1024;
data->memInfo.data->totalSwapKb = (info.totalswap * info.mem_unit)/1024;
/* Also get uptime since we have the structure */
data->PerfTime = (unsigned long)info.uptime;
return;
}
void init_memdata_desc(PERF_DATA_BLOCK *data)
{
init_perf_counter(&(data->memInfo.memObjDesc),
&(data->memInfo.memObjDesc),
get_counter_id(data),
"Memory",
"The Memory performance object consists of counters that describe the behavior of physical and virtual memory on the computer.",
0,
PERF_OBJECT);
init_perf_counter(&(data->memInfo.availPhysKb),
&(data->memInfo.memObjDesc),
get_counter_id(data),
"Available Physical Kilobytes",
"Available Physical Kilobytes is the number of free kilobytes in physical memory",
PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX,
PERF_COUNTER);
init_perf_counter(&(data->memInfo.availSwapKb),
&(data->memInfo.memObjDesc),
get_counter_id(data),
"Available Swap Kilobytes",
"Available Swap Kilobytes is the number of free kilobytes in swap space",
PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX,
PERF_COUNTER);
init_perf_counter(&(data->memInfo.totalPhysKb),
&(data->memInfo.memObjDesc),
get_counter_id(data),
"Total Physical Kilobytes",
"Total Physical Kilobytes is a base counter",
PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_COUNTER_BASE | PERF_DISPLAY_NOSHOW,
PERF_COUNTER);
init_perf_counter(&(data->memInfo.totalSwapKb),
&(data->memInfo.memObjDesc),
get_counter_id(data),
"Total Swap Kilobytes",
"Total Swap Kilobytes is a base counter",
PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_COUNTER_BASE | PERF_DISPLAY_NOSHOW,
PERF_COUNTER);
return;
}
void init_mem_data(PERF_DATA_BLOCK *data)
{
data->memInfo.data = calloc(1, sizeof(*data->memInfo.data));
if(!data->memInfo.data)
{
perror("init_memdata: out of memory");
exit(1);
}
init_memdata_desc(data);
get_meminfo(data);
return;
}
void output_mem_desc(PERF_DATA_BLOCK *data, RuntimeSettings rt)
{
output_perf_desc(data->memInfo.memObjDesc, rt);
output_perf_desc(data->memInfo.availPhysKb, rt);
output_perf_desc(data->memInfo.availSwapKb, rt);
output_perf_desc(data->memInfo.totalPhysKb, rt);
output_perf_desc(data->memInfo.totalSwapKb, rt);
return;
}
void output_meminfo(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags)
{
output_perf_counter(data->memInfo.availPhysKb,
(unsigned long long)data->memInfo.data->availPhysKb,
rt, tdb_flags);
output_perf_counter(data->memInfo.availSwapKb,
(unsigned long long)data->memInfo.data->availSwapKb,
rt, tdb_flags);
output_perf_counter(data->memInfo.totalPhysKb,
(unsigned long long)data->memInfo.data->totalPhysKb,
rt, tdb_flags);
output_perf_counter(data->memInfo.totalSwapKb,
(unsigned long long)data->memInfo.data->totalSwapKb,
rt, tdb_flags);
return;
}