src,test: add totalMem process metric

PR-URL: #469
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>

Author: santigimeno

src/nsolid.cc

@@ -256,6 +256,7 @@ int ProcessMetrics::Update() {
     (uv_hrtime() - node::per_process::node_start_time) / NANOS_PER_SEC;
   stor_.system_uptime = static_cast<uint64_t>(system_uptime);
   stor_.free_mem = uv_get_free_memory();
+  stor_.total_mem = uv_get_total_memory();
   stor_.block_input_op_count = rusage.ru_inblock;
   stor_.block_output_op_count = rusage.ru_oublock;
   stor_.ctx_switch_involuntary_count = rusage.ru_nivcsw;

src/nsolid.h

@@ -46,6 +46,7 @@ struct LogWriteInfo;
   V(uint64_t, uptime, uptime, ECounter, kNSSecs)                               \
   V(uint64_t, system_uptime, systemUptime, ECounter, kNSSecs)                  \
   V(uint64_t, free_mem, freeMem, EGauge, kNSByte)                              \
+  V(uint64_t, total_mem, totalMem, EGauge, kNSByte)                            \
   V(uint64_t, block_input_op_count, blockInputOpCount, ECounter, kNSNoUnit)    \
   V(uint64_t, block_output_op_count, blockOutputOpCount, ECounter, kNSNoUnit)  \
   V(uint64_t, ctx_switch_involuntary_count,                                    \

test/addons/nsolid-statsdagent/nsolid-statsdagent.js

@@ -12,6 +12,7 @@ let expectedProcMetrics = [
   'uptime',
   'systemUptime',
   'freeMem',
+  'totalMem',
   'blockInputOpCount',
   'blockOutputOpCount',
   'ctxSwitchInvoluntaryCount',

test/agents/test-grpc-metrics.mjs

@@ -17,6 +17,7 @@ const expectedProcMetrics = [
   [ 'uptime', 's', 'asInt', 'sum' ],
   [ 'systemUptime', 's', 'asInt', 'sum' ],
   [ 'freeMem', 'byte', 'asInt', 'gauge' ],
+  [ 'totalMem', 'byte', 'asInt', 'gauge' ],
   [ 'blockInputOpCount', '', 'asInt', 'sum' ],
   [ 'blockOutputOpCount', '', 'asInt', 'sum' ],
   [ 'ctxSwitchInvoluntaryCount', '', 'asInt', 'sum' ],

test/agents/test-otlp-grpc-metrics.mjs

@@ -50,6 +50,7 @@ if (process.argv[2] === 'child') {
     [ 'uptime', 's', 'asInt', 'sum' ],
     [ 'system_uptime', 's', 'asInt', 'sum' ],
     [ 'free_mem', 'byte', 'asInt', 'gauge' ],
+    [ 'total_mem', 'byte', 'asInt', 'gauge' ],
     [ 'block_input_op_count', undefined, 'asInt', 'sum' ],
     [ 'block_output_op_count', undefined, 'asInt', 'sum' ],
     [ 'ctx_switch_involuntary_count', undefined, 'asInt', 'sum' ],

test/agents/test-otlp-metrics.mjs

@@ -52,6 +52,7 @@ if (process.argv[2] === 'child') {
     [ 'uptime', 's', 'asInt', 'sum' ],
     [ 'system_uptime', 's', 'asInt', 'sum' ],
     [ 'free_mem', 'byte', 'asInt', 'gauge' ],
+    [ 'total_mem', 'byte', 'asInt', 'gauge' ],
     [ 'block_input_op_count', undefined, 'asInt', 'sum' ],
     [ 'block_output_op_count', undefined, 'asInt', 'sum' ],
     [ 'ctx_switch_involuntary_count', undefined, 'asInt', 'sum' ],

test/agents/test-statsd-connection.js

@@ -23,6 +23,7 @@ const expectedMetrics = [
   'ctxSwitchInvoluntaryCount',
   'ctxSwitchVoluntaryCount',
   'freeMem',
+  'totalMem',
   'ipcReceivedCount',
   'ipcSentCount',
   'load15m',

test/agents/test-zmq-metrics.mjs

@@ -127,6 +127,7 @@ function checkProcessMetrics(processMetrics) {
   validateNumber(processMetrics.uptime, 'processMetrics.uptime');
   validateNumber(processMetrics.systemUptime, 'processMetrics.systemUptime');
   validateNumber(processMetrics.freeMem, 'processMetrics.freeMem');
+  validateNumber(processMetrics.totalMem, 'processMetrics.totalMem');
   validateUint32(processMetrics.blockInputOpCount, 'processMetrics.blockInputOpCount');
   validateUint32(processMetrics.blockOutputOpCount, 'processMetrics.blockOutputOpCount');
   validateUint32(processMetrics.ctxSwitchInvoluntaryCount, 'processMetrics.ctxSwitchInvoluntaryCount');

test/common/nsolid-metrics-util.js

@@ -18,7 +18,7 @@ const numberKeys = [
   'loopUtilization', 'res5s', 'res1m', 'res5m', 'res15m', 'loopTotalCount',
   'loopAvgTasks', 'loopEstimatedLag', 'loopIdlePercent', 'uptime',
   'systemUptime', 'freeMem', 'blockInputOpCount', 'blockOutputOpCount',
-  'ctxSwitchInvoluntaryCount', 'ctxSwitchVoluntaryCount', 'ipcReceivedCount',
+  'totalMem', 'ctxSwitchInvoluntaryCount', 'ctxSwitchVoluntaryCount', 'ipcReceivedCount',
   'ipcSentCount', 'pageFaultHardCount', 'pageFaultSoftCount', 'signalCount',
   'swapCount', 'rss', 'load1m', 'load5m', 'load15m', 'cpuUserPercent',
   'cpuSystemPercent', 'cpuPercent', 'cpu', 'pipeServerCreatedCount',