Mem::Mem()
{
int status;
sigar_t *sigar;
sigar_mem_t mem;
sigar_open(&sigar);
status = sigar_mem_get(sigar, &mem);
if (status != SIGAR_OK) {
printf("get mem info error: %d (%s)\n",
status, sigar_strerror(sigar, status));
exit(1);
}
ram.setNum(mem.ram);
total.setNum(mem.total / MiB, 'g');
used.setNum(mem.used / MiB, 'g');
free.setNum(mem.free / MiB, 'g');
actual_free.setNum(mem.actual_free / MiB, 'g');
actual_used.setNum(mem.actual_used / MiB, 'g');
actual_free_percent.setNum(mem.free_percent, 'g');
actual_used_percent.setNum(mem.used_percent, 'g');
qDebug() << "mem.actual_used : " << mem.actual_used;
qDebug() << "mem.used_percent : " << mem.used_percent;
qDebug() << "actual_used_percent : " << actual_used_percent;
sigar_close(sigar);
}
ulong MemInfo::_runCommand()
{
sigar_t *s = NULL;
if (sigar_open(&s) != SIGAR_OK)
{
return 0;
}
char line[MAX_BUF] = {0};
#define MEM_FORMAT_DOUBLE(field) \
sprintf(line, "%12s: %.1lf %%\n", #field, memInfo.field); \
mMyStream<<line; \
#define MEM_FORMAT_INT64(field) \
sprintf(line, "%12s: %s B\n", #field, formatInteger(memInfo.field)); \
mMyStream<<line; \
if (mbPrintSwap)
{
sigar_swap_t memInfo;
if (sigar_swap_get(s, &memInfo) != SIGAR_OK)
{
sigar_close(s);
return 0;
}
MEM_FORMAT_INT64(total);
MEM_FORMAT_INT64(used);
MEM_FORMAT_INT64(free);
MEM_FORMAT_INT64(page_in);
MEM_FORMAT_INT64(page_out);
}
else
{
sigar_mem_t memInfo;
if (sigar_mem_get(s, &memInfo) != SIGAR_OK)
{
sigar_close(s);
return 0;
}
MEM_FORMAT_INT64(ram);
MEM_FORMAT_INT64(total);
MEM_FORMAT_INT64(used);
MEM_FORMAT_INT64(free);
MEM_FORMAT_INT64(actual_used);
MEM_FORMAT_INT64(actual_free);
MEM_FORMAT_DOUBLE(used_percent);
MEM_FORMAT_DOUBLE(free_percent);
}
sigar_close(s);
return mInterval;
}
//-------------------------------------------------------------------------------------
SystemInfo::MEM_INFOS SystemInfo::getMemInfos()
{
MEM_INFOS infos;
sigar_t *sigar;
sigar_open(&sigar);
sigar_mem_t sigar_mem;
sigar_mem_get(sigar, &sigar_mem);
infos.total = sigar_mem.total;
infos.free = sigar_mem.actual_free;
infos.used = sigar_mem.actual_used;
sigar_close(sigar);
return infos;
}
int lua_sigar_mem_get(lua_State *L) {
sigar_t *s = *(sigar_t **)luaL_checkudata(L, 1, "sigar");
sigar_mem_t mem;
sigar_mem_get(s, &mem);
lua_newtable(L);
#define DATA \
(&(mem))
LUA_EXPORT_INT(DATA, ram);
LUA_EXPORT_INT(DATA, total);
LUA_EXPORT_INT(DATA, used);
LUA_EXPORT_INT(DATA, free);
LUA_EXPORT_INT(DATA, actual_used);
LUA_EXPORT_INT(DATA, actual_free);
LUA_EXPORT_DOUBLE(DATA, used_percent);
LUA_EXPORT_DOUBLE(DATA, free_percent);
#undef DATA
return 1;
}
static void send_machine_metrics(SOCKET sock)
{
sigar_mem_t mem;
sigar_swap_t swap;
sigar_cpu_t cpu;
sigar_loadavg_t loadavg;
sigar_disk_usage_t tdisk;
sigar_net_interface_stat_t tnet;
static int first = 1;
static sigar_cpu_t pcpu = { 0 };
static sigar_swap_t pswap = { 0 };
gp_smon_to_mmon_packet_t pkt;
struct timeval currenttime = { 0 };
double seconds_duration = 0.0;
sigar_file_system_usage_t fsusage;
const char** fsdir;
const char** netname;
sigar_net_interface_stat_t netstat;
int cpu_total_diff;
/* NIC metrics */
apr_uint64_t rx_packets = 0;
apr_uint64_t tx_packets = 0;
apr_uint64_t rx_bytes = 0;
apr_uint64_t tx_bytes = 0;
/* Disk metrics */
apr_uint64_t reads = 0;
apr_uint64_t writes = 0;
apr_uint64_t read_bytes = 0;
apr_uint64_t write_bytes = 0;
memset(&mem, 0, sizeof(mem));
sigar_mem_get(gx.sigar, &mem);
TR2(("mem ram: %" FMT64 " total: %" FMT64 " used: %" FMT64 " free: %" FMT64 "\n",
mem.ram, mem.total, mem.used, mem.free));
memset(&swap, 0, sizeof(swap));
sigar_swap_get(gx.sigar, &swap);
TR2(("swap total: %" FMT64 " used: %" FMT64 "page_in: %" FMT64 " page_out: %" FMT64 "\n",
swap.total, swap.used, swap.page_in, swap.page_out));
memset(&cpu, 0, sizeof(cpu));
sigar_cpu_get(gx.sigar, &cpu);
TR2(("cpu user: %" FMT64 " sys: %" FMT64 " idle: %" FMT64 " wait: %" FMT64 " nice: %" FMT64 " total: %" FMT64 "\n",
cpu.user, cpu.sys, cpu.idle, cpu.wait, cpu.nice, cpu.total));
memset(&loadavg, 0, sizeof(loadavg));
sigar_loadavg_get(gx.sigar, &loadavg);
TR2(("load_avg: %e %e %e\n", loadavg.loadavg[0], loadavg.loadavg[1], loadavg.loadavg[2]));
memset(&tdisk, 0, sizeof(tdisk));
memset(&tnet, 0, sizeof(tnet));
for (fsdir = gx.fslist; *fsdir; fsdir++)
{
int e = sigar_file_system_usage_get(gx.sigar, *fsdir, &fsusage);
if (0 == e)
{
disk_device_t* disk = (disk_device_t*)apr_hash_get(disk_devices, *fsdir, APR_HASH_KEY_STRING);
/* Check if this is a new device */
if (!disk)
{
disk = (disk_device_t*)apr_palloc(gx.pool, sizeof(disk_device_t));
disk->name = apr_pstrdup(gx.pool, *fsdir);
disk->read_bytes = disk->write_bytes = disk->reads = disk->writes = 0;
apr_hash_set(disk_devices, disk->name, APR_HASH_KEY_STRING, disk);
}
reads = disk->reads;
writes = disk->writes;
read_bytes = disk->read_bytes;
write_bytes = disk->write_bytes;
// DISK READS
reads = metric_diff_calc(fsusage.disk.reads, disk->reads, disk->name, "disk reads");
disk->reads = fsusage.disk.reads; // old = new
// DISK WRITES
writes = metric_diff_calc(fsusage.disk.writes, disk->writes, disk->name, "disk writes");
disk->writes = fsusage.disk.writes; // old = new
// WRITE BYTES
write_bytes = metric_diff_calc(fsusage.disk.write_bytes, disk->write_bytes, disk->name, "disk write bytes");
disk->write_bytes = fsusage.disk.write_bytes; // old = new
// READ BYTES
read_bytes = metric_diff_calc(fsusage.disk.read_bytes, disk->read_bytes, disk->name, "disk read bytes");
disk->read_bytes = fsusage.disk.read_bytes; // old = new
tdisk.reads += reads;
tdisk.writes += writes;
tdisk.write_bytes += write_bytes;
tdisk.read_bytes += read_bytes;
}
}
TR2(("disk reads: %" APR_UINT64_T_FMT " writes: %" APR_UINT64_T_FMT
" rbytes: %" APR_UINT64_T_FMT " wbytes: %" APR_UINT64_T_FMT "\n",
tdisk.reads, tdisk.writes, tdisk.read_bytes, tdisk.write_bytes));
for (netname = gx.netlist; *netname; netname++)
{
int e = sigar_net_interface_stat_get(gx.sigar, *netname, &netstat);
if (0 == e)
{
net_device_t* nic = (net_device_t*)apr_hash_get(net_devices, *netname, APR_HASH_KEY_STRING);
/* Check if this is a new device */
if (!nic)
{
nic = (net_device_t*)apr_palloc(gx.pool, sizeof(net_device_t));
nic->name = apr_pstrdup(gx.pool, *netname);
nic->tx_bytes = nic->rx_bytes = nic->tx_packets = nic->rx_packets = 0;
apr_hash_set(net_devices, nic->name, APR_HASH_KEY_STRING, nic);
}
//////// RECEIVE PACKEtS
rx_packets = metric_diff_calc(netstat.rx_packets, nic->rx_packets, nic->name, "rx packets");
nic->rx_packets = netstat.rx_packets; // old = new
//////// RECEIVE BYTES
rx_bytes = metric_diff_calc(netstat.rx_bytes, nic->rx_bytes, nic->name, "rx bytes");
nic->rx_bytes = netstat.rx_bytes; // old = new
//////// SEND PACKETS
tx_packets = metric_diff_calc(netstat.tx_packets, nic->tx_packets, nic->name, "tx packets");
nic->tx_packets = netstat.tx_packets; // old = new
//////// SEND BYTES
tx_bytes = metric_diff_calc(netstat.tx_bytes, nic->tx_bytes, nic->name, "tx bytes");
nic->tx_bytes = netstat.tx_bytes; // old = new
tnet.rx_packets += rx_packets;
tnet.rx_bytes += rx_bytes;
tnet.tx_packets += tx_packets;
tnet.tx_bytes += tx_bytes;
}
}
TR2(("rx: %" APR_UINT64_T_FMT " rx_bytes: %" APR_UINT64_T_FMT "\n",
tnet.rx_packets, tnet.rx_bytes));
TR2(("tx: %" APR_UINT64_T_FMT " tx_bytes: %" APR_UINT64_T_FMT "\n",
tnet.tx_packets, tnet.tx_bytes));
if (first)
{
pswap = swap, pcpu = cpu;
/* We want 0s for these metrics on first pass rather
* than some possibly huge number that will throw off
* the UI graphs.
*/
memset(&tdisk, 0, sizeof(tdisk));
memset(&tnet, 0, sizeof(tnet));
}
first = 0;
gp_smon_to_mmon_set_header(&pkt,GPMON_PKTTYPE_METRICS);
pkt.u.metrics.mem.total = mem.total;
pkt.u.metrics.mem.used = mem.used;
pkt.u.metrics.mem.actual_used = mem.actual_used;
pkt.u.metrics.mem.actual_free = mem.actual_free;
pkt.u.metrics.swap.total = swap.total;
pkt.u.metrics.swap.used = swap.used;
pkt.u.metrics.swap.page_in = swap.page_in - pswap.page_in;
pkt.u.metrics.swap.page_out = swap.page_out - pswap.page_out;
cpu_total_diff = cpu.total - pcpu.total;
if (cpu_total_diff)
{
float cpu_user = calc_diff_percentage(cpu.user, pcpu.user, cpu_total_diff, "cpu.user") + calc_diff_percentage(cpu.nice, pcpu.nice, cpu_total_diff, "cpu.nice");
float cpu_sys = calc_diff_percentage(cpu.sys, pcpu.sys, cpu_total_diff, "cpu.sys") + calc_diff_percentage(cpu.wait, pcpu.wait, cpu_total_diff, "cpu.wait");
float cpu_idle = calc_diff_percentage(cpu.idle, pcpu.idle, cpu_total_diff, "cpu.idle");
pkt.u.metrics.cpu.user_pct = cpu_user;
pkt.u.metrics.cpu.sys_pct = cpu_sys;
pkt.u.metrics.cpu.idle_pct = cpu_idle;
}
else
{
pkt.u.metrics.cpu.user_pct = 0;
pkt.u.metrics.cpu.sys_pct = 0;
pkt.u.metrics.cpu.idle_pct = 0;
}
pkt.u.metrics.load_avg.value[0] = (float) loadavg.loadavg[0];
pkt.u.metrics.load_avg.value[1] = (float) loadavg.loadavg[1];
pkt.u.metrics.load_avg.value[2] = (float) loadavg.loadavg[2];
gettimeofday(¤ttime, NULL);
seconds_duration = subtractTimeOfDay(&g_time_last_reading, ¤ttime);
pkt.u.metrics.disk.ro_rate = (apr_uint64_t)ceil(tdisk.reads/seconds_duration);
pkt.u.metrics.disk.wo_rate = (apr_uint64_t)ceil(tdisk.writes/seconds_duration);
pkt.u.metrics.disk.rb_rate = (apr_uint64_t)ceil(tdisk.read_bytes/seconds_duration);
pkt.u.metrics.disk.wb_rate = (apr_uint64_t)ceil(tdisk.write_bytes/seconds_duration);
pkt.u.metrics.net.rp_rate = (apr_uint64_t)ceil(tnet.rx_packets/seconds_duration);
pkt.u.metrics.net.wp_rate = (apr_uint64_t)ceil(tnet.tx_packets/seconds_duration);
pkt.u.metrics.net.rb_rate = (apr_uint64_t)ceil(tnet.rx_bytes/seconds_duration);
pkt.u.metrics.net.wb_rate = (apr_uint64_t)ceil(tnet.tx_bytes/seconds_duration);
g_time_last_reading = currenttime;
strncpy(pkt.u.metrics.hname, gx.hostname, sizeof(pkt.u.metrics.hname) - 1);
pkt.u.metrics.hname[sizeof(pkt.u.metrics.hname) - 1] = 0;
send_smon_to_mon_pkt(sock, &pkt);
/* save for next time around */
pswap = swap, pcpu = cpu;
}
