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src: add tracing category macros #19155

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ce65bb0
src: add tracing category macros
jasnell Mar 5, 2018
a2e5cd5
[Squash] Fix tests
jasnell Mar 8, 2018
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[Squash] Fix tests
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@jasnell
jasnell committed Mar 8, 2018
commit a2e5cd500258b65cde60585c51a3f46e04a3d015
12 changes: 7 additions & 5 deletions lib/internal/trace_events_async_hooks.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,8 @@ const END_EVENT = 'e'.charCodeAt(0);
// non-init events, use a map to manually map the asyncId to the type name.
const typeMemory = new Map();

const trace_event_category = 'node,node.async_hooks';

// It is faster to emit trace_events directly from C++. Thus, this happens in
// async_wrap.cc. However, events emitted from the JavaScript API or the
// Embedder C++ API can't be emitted from async_wrap.cc. Thus they are
Expand All @@ -27,7 +29,7 @@ const hook = async_hooks.createHook({
if (nativeProviders.has(type)) return;

typeMemory.set(asyncId, type);
trace_events.emit(BEFORE_EVENT, 'node.async_hooks',
trace_events.emit(BEFORE_EVENT, trace_event_category,
type, asyncId,
'triggerAsyncId', triggerAsyncId,
'executionAsyncId', async_hooks.executionAsyncId());
Expand All @@ -37,23 +39,23 @@ const hook = async_hooks.createHook({
const type = typeMemory.get(asyncId);
if (type === undefined) return;

trace_events.emit(BEFORE_EVENT, 'node.async_hooks',
trace_events.emit(BEFORE_EVENT, trace_event_category,
type + '_CALLBACK', asyncId);
},

after(asyncId) {
const type = typeMemory.get(asyncId);
if (type === undefined) return;

trace_events.emit(END_EVENT, 'node.async_hooks',
trace_events.emit(END_EVENT, trace_event_category,
type + '_CALLBACK', asyncId);
},

destroy(asyncId) {
const type = typeMemory.get(asyncId);
if (type === undefined) return;

trace_events.emit(END_EVENT, 'node.async_hooks',
trace_events.emit(END_EVENT, trace_event_category,
type, asyncId);

// cleanup asyncId to type map
Expand All @@ -63,7 +65,7 @@ const hook = async_hooks.createHook({


exports.setup = function() {
if (trace_events.categoryGroupEnabled('node.async_hooks')) {
if (trace_events.categoryGroupEnabled(trace_event_category)) {
hook.enable();
}
};
4 changes: 2 additions & 2 deletions test/parallel/test-trace-events-all.js
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Expand Up @@ -35,7 +35,7 @@ proc.once('exit', common.mustCall(() => {
assert(traces.some((trace) => {
if (trace.pid !== proc.pid)
return false;
if (trace.cat !== 'node.async_hooks')
if (trace.cat !== 'node,node.async_hooks')
return false;
if (trace.name !== 'TIMERWRAP')
return false;
Expand All @@ -47,7 +47,7 @@ proc.once('exit', common.mustCall(() => {
assert(traces.some((trace) => {
if (trace.pid !== proc.pid)
return false;
if (trace.cat !== 'node.async_hooks')
if (trace.cat !== 'node,node.async_hooks')
return false;
if (trace.name !== 'Timeout')
return false;
Expand Down
4 changes: 2 additions & 2 deletions test/parallel/test-trace-events-async-hooks.js
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Expand Up @@ -37,7 +37,7 @@ proc.once('exit', common.mustCall(() => {
assert(traces.some((trace) => {
if (trace.pid !== proc.pid)
return false;
if (trace.cat !== 'node.async_hooks')
if (trace.cat !== 'node,node.async_hooks')
return false;
if (trace.name !== 'TIMERWRAP')
return false;
Expand All @@ -48,7 +48,7 @@ proc.once('exit', common.mustCall(() => {
assert(traces.some((trace) => {
if (trace.pid !== proc.pid)
return false;
if (trace.cat !== 'node.async_hooks')
if (trace.cat !== 'node,node.async_hooks')
return false;
if (trace.name !== 'Timeout')
return false;
Expand Down
14 changes: 8 additions & 6 deletions test/parallel/test-trace-events-perf.js
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Expand Up @@ -26,12 +26,12 @@ if (process.argv[2] === 'child') {

const expectedMarks = ['A', 'B'];
const expectedBegins = [
{ cat: 'node.perf,node.perf.timerify', name: 'f' },
{ cat: 'node.perf,node.perf.usertiming', name: 'A to B' }
{ cat: 'node,node.perf,node.perf.timerify', name: 'f' },
{ cat: 'node,node.perf,node.perf.usertiming', name: 'A to B' }
];
const expectedEnds = [
{ cat: 'node.perf,node.perf.timerify', name: 'f' },
{ cat: 'node.perf,node.perf.usertiming', name: 'A to B' }
{ cat: 'node,node.perf,node.perf.timerify', name: 'f' },
{ cat: 'node,node.perf,node.perf.usertiming', name: 'A to B' }
];

const proc = cp.fork(__filename,
Expand Down Expand Up @@ -60,8 +60,10 @@ if (process.argv[2] === 'child') {
assert.strictEqual(trace.pid, proc.pid);
switch (trace.ph) {
case 'R':
assert.strictEqual(trace.cat, 'node.perf,node.perf.usertiming');
assert.strictEqual(trace.name, expectedMarks.shift());
assert.strictEqual(trace.cat,
'node,node.perf,node.perf.usertiming');
assert.strictEqual(trace.name,
expectedMarks.shift());
break;
case 'b':
const expectedBegin = expectedBegins.shift();
Expand Down