diff --git a/package-lock.json b/package-lock.json
index 31184db..d8925a7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,9 +10,12 @@
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         "cheerio": "^1.0.0",
+        "commander": "^13.1.0",
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         "node-fetch": "^2.6.0",
-        "striptags": "^3.2.0"
+        "striptags": "^3.2.0",
+        "vega": "^5.30.0",
+        "vega-lite": "^5.23.0"
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-      "dev": true,
+      "license": "MIT"
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+    "node_modules/@types/geojson": {
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+      "resolved": "https://registry.npmjs.org/@types/geojson/-/geojson-7946.0.4.tgz",
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@@ -3415,7 +3422,6 @@
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@@ -4205,6 +4210,15 @@
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+      "resolved": "https://registry.npmjs.org/commander/-/commander-13.1.0.tgz",
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+      "license": "MIT",
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@@ -4334,6 +4348,260 @@
         "url": "https://github.com/sponsors/fb55"
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@@ -4512,6 +4780,15 @@
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@@ -6003,6 +6277,15 @@
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@@ -8807,6 +9094,12 @@
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+        "vega-canvas": "^1.2.7",
+        "vega-loader": "^4.5.2",
+        "vega-scale": "^7.4.1",
+        "vega-util": "^1.17.2"
+      }
+    },
+    "node_modules/vega-selections": {
+      "version": "5.4.2",
+      "resolved": "https://registry.npmjs.org/vega-selections/-/vega-selections-5.4.2.tgz",
+      "integrity": "sha512-99FUhYmg0jOJr2/K4TcEURmJRkuibrCDc8KBUX7qcQEITzrZ5R6a4QE+sarCvbb3hi8aA9GV2oyST6MQeA9mgQ==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "d3-array": "3.2.4",
+        "vega-expression": "^5.0.1",
+        "vega-util": "^1.17.1"
+      }
+    },
+    "node_modules/vega-statistics": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmjs.org/vega-statistics/-/vega-statistics-1.9.0.tgz",
+      "integrity": "sha512-GAqS7mkatpXcMCQKWtFu1eMUKLUymjInU0O8kXshWaQrVWjPIO2lllZ1VNhdgE0qGj4oOIRRS11kzuijLshGXQ==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "d3-array": "^3.2.2"
+      }
+    },
+    "node_modules/vega-time": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/vega-time/-/vega-time-2.1.2.tgz",
+      "integrity": "sha512-6rXc6JdDt8MnCRy6UzUCsa6EeFycPDmvioMddLfKw38OYCV8pRQC5nw44gyddOwXgUTJLiCtn/sp53P0iA542A==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "d3-array": "^3.2.2",
+        "d3-time": "^3.1.0",
+        "vega-util": "^1.17.2"
+      }
+    },
+    "node_modules/vega-transforms": {
+      "version": "4.12.0",
+      "resolved": "https://registry.npmjs.org/vega-transforms/-/vega-transforms-4.12.0.tgz",
+      "integrity": "sha512-bh/2Qbj85O70mjfLRgPKAsABArgSUP0k+GjmaY54zukIRxoGxKju+85nigeX/aR/INpEqNWif+5lL+NvmyWA5w==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "d3-array": "^3.2.2",
+        "vega-dataflow": "^5.7.6",
+        "vega-statistics": "^1.9.0",
+        "vega-time": "^2.1.2",
+        "vega-util": "^1.17.2"
+      }
+    },
+    "node_modules/vega-typings": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/vega-typings/-/vega-typings-1.3.1.tgz",
+      "integrity": "sha512-j9Sdgmvowz09jkMgTFGVfiv7ycuRP/TQkdHRPXIYwt3RDgPQn7inyFcJ8C8ABFt4MiMWdjOwbneF6KWW8TRXIw==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@types/geojson": "7946.0.4",
+        "vega-event-selector": "^3.0.1",
+        "vega-expression": "^5.1.1",
+        "vega-util": "^1.17.2"
+      }
+    },
+    "node_modules/vega-util": {
+      "version": "1.17.2",
+      "resolved": "https://registry.npmjs.org/vega-util/-/vega-util-1.17.2.tgz",
+      "integrity": "sha512-omNmGiZBdjm/jnHjZlywyYqafscDdHaELHx1q96n5UOz/FlO9JO99P4B3jZg391EFG8dqhWjQilSf2JH6F1mIw==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/vega-view": {
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/vega-view/-/vega-view-5.13.0.tgz",
+      "integrity": "sha512-ZPAAQ3iYz6YrQjJoDT+0bcxJkXt9PKF5v4OO7Omw8PFhkIv++jFXeKlQTW1bBtyQ92dkdGGHv5lYY67Djqjf3A==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "d3-array": "^3.2.2",
+        "d3-timer": "^3.0.1",
+        "vega-dataflow": "^5.7.6",
+        "vega-format": "^1.1.2",
+        "vega-functions": "^5.15.0",
+        "vega-runtime": "^6.2.0",
+        "vega-scenegraph": "^4.13.0",
+        "vega-util": "^1.17.2"
+      }
+    },
+    "node_modules/vega-view-transforms": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/vega-view-transforms/-/vega-view-transforms-4.6.0.tgz",
+      "integrity": "sha512-z3z66aJTA3ZRo4oBY4iBXnn+A4KqBGZT/UrlKDbm+7Ec+Ip+hK2tF8Kmhp/WNcMsDZoUWFqLJgR2VgOgvJk9RA==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "vega-dataflow": "^5.7.6",
+        "vega-scenegraph": "^4.13.0",
+        "vega-util": "^1.17.2"
+      }
+    },
+    "node_modules/vega-voronoi": {
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/vega-voronoi/-/vega-voronoi-4.2.3.tgz",
+      "integrity": "sha512-aYYYM+3UGqwsOx+TkVtF1IZfguy0H7AN79dR8H0nONRIc+vhk/lbnlkgwY2nSzEu0EZ4b5wZxeGoDBEVmdDEcg==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "d3-delaunay": "^6.0.2",
+        "vega-dataflow": "^5.7.6",
+        "vega-util": "^1.17.2"
+      }
+    },
+    "node_modules/vega-wordcloud": {
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/vega-wordcloud/-/vega-wordcloud-4.1.5.tgz",
+      "integrity": "sha512-p+qXU3cb9VeWzJ/HEdax0TX2mqDJcSbrCIfo2d/EalOXGkvfSLKobsmMQ8DxPbtVp0uhnpvfCGDyMJw+AzcI2A==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "vega-canvas": "^1.2.7",
+        "vega-dataflow": "^5.7.6",
+        "vega-scale": "^7.4.1",
+        "vega-statistics": "^1.9.0",
+        "vega-util": "^1.17.2"
+      }
+    },
     "node_modules/walker": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/walker/-/walker-1.0.8.tgz",
diff --git a/package.json b/package.json
index 025cc7a..1f87c38 100644
--- a/package.json
+++ b/package.json
@@ -5,18 +5,21 @@
   "dependencies": {
     "@adobe/aio-sdk": "^6",
     "cheerio": "^1.0.0",
+    "commander": "^13.1.0",
     "handlebars": "^4.7.8",
     "node-fetch": "^2.6.0",
-    "striptags": "^3.2.0"
+    "striptags": "^3.2.0",
+    "vega": "^5.30.0",
+    "vega-lite": "^5.23.0"
   },
   "devDependencies": {
     "@eslint/js": "^9.17.0",
     "@openwhisk/wskdebug": "^1.3.0",
     "eslint": "^9.17.0",
-    "msw": "^2.7.0",
     "eslint-plugin-jest": "^28.10.0",
     "globals": "^15.14.0",
-    "jest": "^29"
+    "jest": "^29",
+    "msw": "^2.7.0"
   },
   "scripts": {
     "test": "jest --passWithNoTests ./test",
diff --git a/tools/README.md b/tools/README.md
index 49493c5..ffe160f 100644
--- a/tools/README.md
+++ b/tools/README.md
@@ -91,9 +91,15 @@ This script is used to download and display poller statistics from Adobe I/O Run
     AIO_RUNTIME_AUTH=<your_auth_key>
     ```
 
-2. Run the script using Node.js:
-    ```bash
-    node download-poller-stats.js
+2. Usage:
+    ```
+    Usage: node download-poller-stats.js [options]
+
+    Options:
+        -d, --date <YYYY-MM-DD>                   Select data for a specific day. If not provided, defaults to today's date
+        -c, --chart <chart_filename.svg>          Generate a chart from the data, showing latency distribution and        
+                                                  correlation with other factors. In addition, generate a JSON file with corresponding data series.
+        -h, --help                                Display help for cli tool
+        -f, --file <records_filename.{csv,json}>  The filename to save the records to; JSON and CSV formats are supported.
     ```
 
-3. The script will output the poller statistics in CSV format.
diff --git a/tools/download-poller-stats.js b/tools/download-poller-stats.js
index b6d5ffb..a86fe98 100644
--- a/tools/download-poller-stats.js
+++ b/tools/download-poller-stats.js
@@ -12,13 +12,16 @@ governing permissions and limitations under the License.
 
 require('dotenv').config();
 const openwhisk = require('openwhisk');
-const { exit } = require('process');
+const { exit, env } = require('process');
+const { program } = require('commander');
+const vega = require('vega');
+const vegaLite = require('vega-lite');
+const fs = require('fs');
 
 const {
-    AIO_RUNTIME_NAMESPACE,
-    AIO_RUNTIME_AUTH,
-// eslint-disable-next-line no-undef
-} = process.env;
+  AIO_RUNTIME_NAMESPACE,
+  AIO_RUNTIME_AUTH,
+} = env;
 
 if (!AIO_RUNTIME_NAMESPACE || !AIO_RUNTIME_AUTH) {
   console.log('Missing required environment variables AIO_RUNTIME_AUTH and AIO_RUNTIME_NAMESPACE');
@@ -33,13 +36,107 @@ const ow = openwhisk({
   namespace: AIO_RUNTIME_NAMESPACE,
 });
 
+function generateChart(rawData, filename) {
+  // eslint-disable-next-line no-unused-vars
+  const processedData = rawData.flatMap(([id, startDate, duration, state, failed, ignored, published, unpublished, previewDuration]) => [
+    { date: startDate, value: failed, metric: 'Failed', type: 'count' },
+    { date: startDate, value: published, metric: 'Published', type: 'count' },
+    { date: startDate, value: unpublished, metric: 'Unpublished', type: 'count' },
+    { date: startDate, value: duration, metric: 'Duration', type: 'duration' }
+  ]);
+
+  const spec = {
+    "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
+    "width": 4096,
+    "height": 2048,
+    "data": { "values": processedData },
+    "encoding": {
+      "x": {
+        "field": "date",
+        "type": "temporal",
+        "axis": { "title": "Date" }
+      }
+    },
+    "layer": [
+      {
+        "transform": [{ "filter": "datum.type === 'count'" }],
+        "mark": "line",
+        "encoding": {
+          "y": {
+            "field": "value",
+            "type": "quantitative",
+            "axis": { "title": "Count" }
+          },
+          "color": {
+            "field": "metric",
+            "type": "nominal",
+            "legend": { "title": "Metrics (Count)" },
+            "scale": {
+              "domain": ["Failed", "Published", "Unpublished"],
+              "range": ["#ff0000", "#00ff00", "#0000ff"]
+            }
+          }
+        }
+      },
+      {
+        "transform": [{ "filter": "datum.type === 'duration'" }],
+        "mark": {
+          "type": "line",
+          "strokeDash": [4, 4]
+        },
+        "encoding": {
+          "y": {
+            "field": "value",
+            "type": "quantitative",
+            "axis": { "title": "Duration (ms)" },
+            "scale": { "zero": true }
+          },
+          "color": {
+            "field": "metric",
+            "type": "nominal",
+            "scale": {
+              "domain": ["Duration"],
+              "range": ["#FFA500"]
+            },
+            "legend": { "title": "Duration" }
+          }
+        }
+      }
+    ],
+    "resolve": {
+      "scale": {
+        "y": "independent",
+        "color": "independent"  // Add this to resolve color scale conflicts
+      }
+    }
+  };
+
+
+  const vegaSpec = vegaLite.compile(spec).spec;
+  const view = new vega.View(vega.parse(vegaSpec), { renderer: 'none' });
+
+  const format = filename.split('.').pop();
+
+  if (format === 'svg') {
+    view.toSVG()
+      .then(function (svg) {
+        fs.writeFileSync(filename, svg);
+        console.log('Chart has been generated successfully as SVG!');
+      })
+      .catch(console.error);
+  } else {
+    console.error('Invalid file format. Please choose either png or svg.');
+    exit(1);
+  }
+}
+
 async function* listActivations() {
   const { activations } = await ow.activations.list({ count: true, ...opts });
   for (let limit = 50, skip = 0, retry = true; skip < activations; skip += limit) {
     let activations;
     try {
       activations = await ow.activations.list({ limit, skip, ...opts });
-    } catch(e) {
+    } catch (e) {
       if (retry) {
         // retry only once
         retry = false;
@@ -47,16 +144,65 @@ async function* listActivations() {
       }
       throw e;
     }
-    
+
     for (const activation of activations) {
       yield activation;
     }
   }
 }
 
-console.log('activationId,startDate,duration,state,failed,ignored,published,unpublished,previewDuration');
+async function downloadActivations() {
+  program
+    .option('-d, --date <YYYY-MM-DD>', 'Select data for a specific day')
+    .option('-c, --chart <chart_filename.svg>', 'Generate a chart from the data, showing latency distribution and correlation with other factors. Generates JSON file with corresponding data series.')
+    .option('-h, --help', 'Display help for cli')
+    .option('-f, --file <records_filename.{csv,json}>', 'The filename to save the records, JSON and CSV formats are supported.');
+
+  program.parse(process.argv);
+  const options = program.opts();
+
+  if (options.help) {
+    program.help();
+  }
+
+  // Defaults to today
+  const targetDate = new Date();
+  targetDate.setHours(0, 0, 0, 0);
+
+  if (options.date) {
+    const parsedDate = new Date(options.date);
+    if (isNaN(parsedDate)) {
+      console.log('Invalid date format. Please use YYYY-MM-DD.');
+      exit(1);
+    }
+    targetDate.setTime(parsedDate.getTime());
+  }
+
+  let filename = options.file;
+
+  if (!filename) {
+    filename = `poller-stats-${targetDate.getFullYear()}-${targetDate.getMonth() < 10 ? '0' : ''}${targetDate.getMonth() + 1}`
+      + `-${targetDate.getDate() < 10 ? '0' : ''}${targetDate.getDate()}.json`;
+  }
+
+  let format = filename.split('.').pop();
+
+  if (options.chart && format !== 'json') {
+    // force JSON format for chart data
+    format = 'json';
+  }
+
+  console.log(`Saving activations to ${filename}...`);
+
+  if (format === 'json') {
+    fs.writeFileSync(filename, '[');
+  } else if (format === 'csv') {
+    fs.writeFileSync(filename, 'activationId,startDate,duration,state,failed,ignored,published,unpublished,previewDuration\n');
+  } else {
+    console.error('Invalid file format. Please choose either csv or json.');
+    exit(1);
+  }
 
-async function dumpActivations() {
   for await (const activation of listActivations()) {
     const { name, duration, activationId, start } = activation;
 
@@ -64,19 +210,23 @@ async function dumpActivations() {
       const startDate = new Date(start)
         .toISOString()
         .replace('T', ' ')
-        .replace(/\.\d+Z$/,'');
+        .replace(/\.\d+Z$/, '');
+
+      const activationDate = new Date(startDate);
 
       let result;
       try {
-         result = await ow.activations.result({ name: activationId });
-      // eslint-disable-next-line no-unused-vars
-      } catch(e) {
+        result = await ow.activations.result({ name: activationId });
+        // eslint-disable-next-line no-unused-vars
+      } catch (e) {
         // ignore and retry
         result = await ow.activations.result({ name: activationId });
       }
 
-      // skip skipped
-      if (!result?.result || result.result.state === 'skipped') {
+      // skip skipped and activations before today, if requested
+      if (!result?.result ||
+        result.result.state === 'skipped' ||
+        activationDate.toDateString() !== targetDate.toDateString()) {
         continue;
       }
 
@@ -84,7 +234,7 @@ async function dumpActivations() {
       const { failed, ignored, published, unpublished } = status;
       const { previewDuration } = timings;
 
-      console.log([
+      const columns = [
         activationId,
         startDate,
         duration,
@@ -94,9 +244,27 @@ async function dumpActivations() {
         published,
         unpublished,
         previewDuration?.avg || 0
-      ].join(','));
+      ];
+
+      if (format === 'json') {
+        fs.appendFileSync(filename, JSON.stringify(columns) + ',');
+      } else {
+        fs.appendFileSync(filename, `${columns.join(',')}\n`);
+      }
     }
   }
+  if (format === 'json') {
+    // remove trailing comma
+    const data = fs
+      .readFileSync(filename, 'utf8')
+      .replace(/,$/, '');
+    fs.writeFileSync(filename, data);
+    fs.appendFileSync(filename, ']');
+  }
+
+  if (options.chart) {
+    generateChart(JSON.parse(fs.readFileSync(filename)), options.chart);
+  }
 }
 
-dumpActivations();
+downloadActivations();