diff --git a/packages/api/src/controllers/jsldata.js b/packages/api/src/controllers/jsldata.js
index dbace5a25..697a561d3 100644
--- a/packages/api/src/controllers/jsldata.js
+++ b/packages/api/src/controllers/jsldata.js
@@ -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,
+    };
+  },
 };
diff --git a/packages/types/engines.d.ts b/packages/types/engines.d.ts
index 1976e9d3b..dae480ed6 100644
--- a/packages/types/engines.d.ts
+++ b/packages/types/engines.d.ts
@@ -79,6 +79,8 @@ export interface EngineDriver {
   supportsServerSummary?: boolean;
   supportsDatabaseProfiler?: boolean;
   profilerFormatterFunction?: string;
+  profilerChartFormatterFunction?: string;
+  profilerChartMeasures?: { label: string; field: string }[];
   isElectronOnly?: boolean;
   supportedCreateDatabase?: boolean;
   showConnectionField?: (field: string, values: any) => boolean;
diff --git a/packages/web/src/appobj/ArchiveFileAppObject.svelte b/packages/web/src/appobj/ArchiveFileAppObject.svelte
index 6eb04de32..629782d52 100644
--- a/packages/web/src/appobj/ArchiveFileAppObject.svelte
+++ b/packages/web/src/appobj/ArchiveFileAppObject.svelte
@@ -214,7 +214,9 @@
                 tabComponent: 'ProfilerTab',
                 props: {
                   jslid: `archive://${data.folderName}/${data.fileName}`,
-                  formatterFunction: eng.profilerFormatterFunction,
+                  profilerFormatterFunction: eng.profilerFormatterFunction,
+                  profilerChartFormatterFunction: eng.profilerChartFormatterFunction,
+                  profilerChartMeasures: eng.profilerChartMeasures,
                 },
               });
             },
diff --git a/packages/web/src/tabs/ProfilerTab.svelte b/packages/web/src/tabs/ProfilerTab.svelte
index 5f2b7caf1..33ae37bc0 100644
--- a/packages/web/src/tabs/ProfilerTab.svelte
+++ b/packages/web/src/tabs/ProfilerTab.svelte
@@ -1,6 +1,4 @@
 <script lang="ts" context="module">
-  export const matchingProps = ['conid', 'database', 'pureName', 'sql'];
-
   const getCurrentEditor = () => getActiveComponent('ProfilerTab');
 
   registerCommand({
@@ -50,18 +48,25 @@
   import createActivator, { getActiveComponent } from '../utility/createActivator';
   import { useConnectionInfo } from '../utility/metadataLoaders';
   import { extensions } from '../stores';
+  import ChartCore from '../charts/ChartCore.svelte';
+  import LoadingInfo from '../elements/LoadingInfo.svelte';
+  import randomcolor from 'randomcolor';
 
   export const activator = createActivator('ProfilerTab', true);
 
   export let conid;
   export let database;
   export let jslid;
-  export let formatterFunction;
+  export let profilerFormatterFunction;
+  export let profilerChartFormatterFunction;
+  export let profilerChartMeasures;
 
   let profiling = false;
   let sessionId;
+  let isLoadingChart = false;
 
   let intervalId;
+  let chartData;
 
   $: connection = useConnectionInfo({ conid });
   $: engine = findEngineDriver($connection, $extensions);
@@ -74,6 +79,10 @@
         });
       }
     }, 15 * 1000);
+
+    if (jslid) {
+      loadChart();
+    }
   });
 
   onDestroy(() => {
@@ -109,11 +118,37 @@
     return conid && database && !isProfiling;
   }
 
-  export function stopProfiling() {
+  async function loadChart() {
+    isLoadingChart = true;
+
+    const colors = randomcolor({
+      count: (profilerChartMeasures || engine.profilerChartMeasures).length,
+      seed: 5,
+    });
+
+    const data = await apiCall('jsldata/extract-timeline-chart', {
+      jslid,
+      formatterFunction: profilerChartFormatterFunction || engine.profilerChartFormatterFunction,
+      measures: profilerChartMeasures || engine.profilerChartMeasures,
+    });
+    chartData = {
+      ...data,
+      labels: data.labels.map(x => new Date(x)),
+      datasets: data.datasets.map((x, i) => ({
+        ...x,
+        borderColor: colors[i],
+      })),
+    };
+    isLoadingChart = false;
+  }
+
+  export async function stopProfiling() {
     profiling = false;
     apiCall('sessions/stop-profiler', { sesid: sessionId });
 
     invalidateCommands();
+
+    loadChart();
   }
 
   export function stopProfilingEnabled() {
@@ -137,27 +172,76 @@
       onSave: doSave,
     });
   }
+
+  // const data = [
+  //   { year: 2010, count: 10 },
+  //   { year: 2011, count: 20 },
+  //   { year: 2012, count: 15 },
+  //   { year: 2013, count: 25 },
+  //   { year: 2014, count: 22 },
+  //   { year: 2015, count: 30 },
+  //   { year: 2016, count: 28 },
+  // ];
+  // {
+  //   labels: data.map(row => row.year),
+  //   datasets: [
+  //     {
+  //       label: 'Acquisitions by year',
+  //       data: data.map(row => row.count),
+  //     },
+  //   ],
+  // }
 </script>
 
 <ToolStripContainer>
   {#if jslid}
-    <JslDataGrid
-      {jslid}
-      listenInitializeFile
-      formatterFunction={formatterFunction || engine?.profilerFormatterFunction}
-    />
+    <VerticalSplitter allowCollapseChild1 allowCollapseChild2>
+      <svelte:fragment slot="1">
+        <JslDataGrid
+          {jslid}
+          listenInitializeFile
+          formatterFunction={profilerFormatterFunction || engine?.profilerFormatterFunction}
+        />
+      </svelte:fragment>
+      <svelte:fragment slot="2">
+        {#if isLoadingChart}
+          <LoadingInfo wrapper message="Loading chart" />
+        {:else}
+          <ChartCore
+            title="Profile data"
+            data={chartData}
+            options={{
+              maintainAspectRatio: false,
+              scales: {
+                x: {
+                  type: 'time',
+                  distribution: 'linear',
+
+                  time: {
+                    tooltipFormat: 'D. M. YYYY HH:mm',
+                    displayFormats: {
+                      millisecond: 'HH:mm:ss.SSS',
+                      second: 'HH:mm:ss',
+                      minute: 'HH:mm',
+                      hour: 'D.M hA',
+                      day: 'D. M.',
+                      week: 'D. M. YYYY',
+                      month: 'MM-YYYY',
+                      quarter: '[Q]Q - YYYY',
+                      year: 'YYYY',
+                    },
+                  },
+                },
+              },
+            }}
+          />
+        {/if}
+      </svelte:fragment>
+    </VerticalSplitter>
   {:else}
     <ErrorInfo message="Profiler not yet started" alignTop />
   {/if}
 
-  <!-- <VerticalSplitter>
-    <svelte:fragment slot="1">
-      {#if jslid}
-        <JslDataGrid {jslid} listenInitializeFile />
-      {/if}
-    </svelte:fragment>
-    <svelte:fragment slot="2">DETAIL</svelte:fragment>
-  </VerticalSplitter> -->
   <svelte:fragment slot="toolstrip">
     <ToolStripCommandButton command="profiler.start" />
     <ToolStripCommandButton command="profiler.stop" />
diff --git a/plugins/dbgate-plugin-mongo/src/backend/index.js b/plugins/dbgate-plugin-mongo/src/backend/index.js
index 0f8fbd10c..7b6e0f5d9 100644
--- a/plugins/dbgate-plugin-mongo/src/backend/index.js
+++ b/plugins/dbgate-plugin-mongo/src/backend/index.js
@@ -1,10 +1,12 @@
 const driver = require('./driver');
 const formatProfilerEntry = require('../frontend/formatProfilerEntry');
+const formatProfilerChartEntry = require('../frontend/formatProfilerChartEntry');
 
 module.exports = {
   packageName: 'dbgate-plugin-mongo',
   drivers: [driver],
   functions: {
     formatProfilerEntry,
+    formatProfilerChartEntry,
   },
 };
diff --git a/plugins/dbgate-plugin-mongo/src/frontend/driver.js b/plugins/dbgate-plugin-mongo/src/frontend/driver.js
index 53887eca6..ab8787c20 100644
--- a/plugins/dbgate-plugin-mongo/src/frontend/driver.js
+++ b/plugins/dbgate-plugin-mongo/src/frontend/driver.js
@@ -35,6 +35,11 @@ const driver = {
   supportsServerSummary: true,
   supportsDatabaseProfiler: true,
   profilerFormatterFunction: 'formatProfilerEntry@dbgate-plugin-mongo',
+  profilerChartFormatterFunction: 'formatProfilerChartEntry@dbgate-plugin-mongo',
+  profilerChartMeasures: [
+    { label: 'Req count', field: 'count' },
+    { label: 'Duration', field: 'millis' },
+  ],
   databaseUrlPlaceholder: 'e.g. mongodb://username:password@mongodb.mydomain.net/dbname',
 
   getQuerySplitterOptions: () => mongoSplitterOptions,
diff --git a/plugins/dbgate-plugin-mongo/src/frontend/formatProfilerChartEntry.js b/plugins/dbgate-plugin-mongo/src/frontend/formatProfilerChartEntry.js
new file mode 100644
index 000000000..8ee5a27a4
--- /dev/null
+++ b/plugins/dbgate-plugin-mongo/src/frontend/formatProfilerChartEntry.js
@@ -0,0 +1,14 @@
+const _ = require('lodash');
+const formatProfilerEntry = require('./formatProfilerEntry');
+
+function formatProfilerChartEntry(obj) {
+  const fmt = formatProfilerEntry(obj);
+
+  return {
+    ts: fmt.ts,
+    millis: fmt.stats.millis,
+    count: 1,
+  };
+}
+
+module.exports = formatProfilerChartEntry;
diff --git a/plugins/dbgate-plugin-mongo/src/frontend/formatProfilerEntry.js b/plugins/dbgate-plugin-mongo/src/frontend/formatProfilerEntry.js
index cb57e8b3a..9b4e4cedb 100644
--- a/plugins/dbgate-plugin-mongo/src/frontend/formatProfilerEntry.js
+++ b/plugins/dbgate-plugin-mongo/src/frontend/formatProfilerEntry.js
@@ -2,6 +2,7 @@ const _ = require('lodash');
 
 function formatProfilerEntry(obj) {
   const ts = obj.ts;
+  const stats = { millis: obj.millis };
   let op = obj.op;
   let doc;
   let query;
@@ -64,6 +65,7 @@ function formatProfilerEntry(obj) {
     doc,
     query,
     ext,
+    stats,
   };
 }
 
diff --git a/plugins/dbgate-plugin-mongo/src/frontend/index.js b/plugins/dbgate-plugin-mongo/src/frontend/index.js
index fbe5cc8d8..c68b8daa5 100644
--- a/plugins/dbgate-plugin-mongo/src/frontend/index.js
+++ b/plugins/dbgate-plugin-mongo/src/frontend/index.js
@@ -1,10 +1,12 @@
 import driver from './driver';
 import formatProfilerEntry from './formatProfilerEntry';
+import formatProfilerChartEntry from './formatProfilerChartEntry';
 
 export default {
   packageName: 'dbgate-plugin-mongo',
   drivers: [driver],
   functions: {
     formatProfilerEntry,
+    formatProfilerChartEntry,
   },
 };