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; }