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profiler charts

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This commit is contained in:
Jan Prochazka
2022-12-18 12:29:21 +01:00
parent dbfdaafb86
commit 9a2631dc09
9 changed files with 178 additions and 20 deletions
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49
packages/api/src/controllers/jsldata.js
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@@ -102,11 +102,12 @@ module.exports = {
async ensureDatastore(jslid, formatterFunction) {
const rowFormatter = requirePluginFunction(formatterFunction);
let datastore = this.datastores[jslid];
const dskey = `${jslid}||${formatterFunction}`;
let datastore = this.datastores[dskey];
if (!datastore) {
datastore = new JsonLinesDatastore(getJslFileName(jslid), rowFormatter);
// datastore = new DatastoreProxy(getJslFileName(jslid));
this.datastores[jslid] = datastore;
this.datastores[dskey] = datastore;
}
return datastore;
},
@@ -190,4 +191,48 @@ module.exports = {
await fs.promises.writeFile(getJslFileName(jslid), text);
return true;
},
extractTimelineChart_meta: true,
async extractTimelineChart({ jslid, formatterFunction, measures }) {
const formater = requirePluginFunction(formatterFunction);
const datastore = new JsonLinesDatastore(getJslFileName(jslid), formater);
let mints = null;
let maxts = null;
// pass 1 - counts stats, time range
await datastore.enumRows(row => {
if (!mints || row.ts < mints) mints = row.ts;
if (!maxts || row.ts > maxts) maxts = row.ts;
return true;
});
const minTime = new Date(mints).getTime();
const maxTime = new Date(maxts).getTime();
const duration = maxTime - minTime;
const STEPS = 100;
const step = duration / STEPS;
const labels = _.range(STEPS).map(i => new Date(minTime + step / 2 + step * i));
const datasets = measures.map(m => ({
label: m.label,
data: Array(STEPS).fill(0),
}));
// pass 2 - count measures
await datastore.enumRows(row => {
if (!mints || row.ts < mints) mints = row.ts;
if (!maxts || row.ts > maxts) maxts = row.ts;
for (let i = 0; i < measures.length; i++) {
const part = Math.round((new Date(row.ts).getTime() - minTime) / step);
datasets[i].data[part] += row[measures[i].field];
}
return true;
});
datastore._closeReader();
return {
labels,
datasets,
};
},
};