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tts stream should save tts.response_time metric (#1086)

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* tts stream should save tts.response_time metric

* wip
This commit is contained in:
Hoan Luu Huu
2025-02-18 20:45:21 +07:00
committed by GitHub
parent 9c05fd3deb
commit 33bca8e67c
1 changed files with 5 additions and 2 deletions
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7
lib/tasks/say.js
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@@ -213,7 +213,7 @@ class TaskSay extends TtsTask {
ep.once('playback-start', (evt) => {
this.logger.debug({evt}, 'Say got playback-start');
if (this.otelSpan) {
this._addStreamingTtsAttributes(this.otelSpan, evt);
this._addStreamingTtsAttributes(this.otelSpan, evt, vendor);
this.otelSpan.end();
this.otelSpan = null;
if (evt.variable_tts_cache_filename) {
@@ -308,7 +308,7 @@ class TaskSay extends TtsTask {
this.notifyTaskDone();
}
_addStreamingTtsAttributes(span, evt) {
_addStreamingTtsAttributes(span, evt, vendor) {
const attrs = {'tts.cached': false};
for (const [key, value] of Object.entries(evt)) {
if (key.startsWith('variable_tts_')) {
@@ -322,6 +322,9 @@ class TaskSay extends TtsTask {
.replace('elevenlabs_', 'elevenlabs.');
if (spanMapping[newKey]) newKey = spanMapping[newKey];
attrs[newKey] = value;
if (key === 'variable_tts_time_to_first_byte_ms' && value) {
this.cs.srf.locals.stats.histogram('tts.response_time', value, [`vendor:${vendor}`]);
}
}
}
delete attrs['cache_filename']; //no value in adding this to the span