diff --git a/lib/analyze-action.js b/lib/analyze-action.js
index 9a808c218..5f41e2b9f 100644
--- a/lib/analyze-action.js
+++ b/lib/analyze-action.js
@@ -7,6 +7,8 @@ var __importStar = (this && this.__importStar) || function (mod) {
     return result;
 };
 Object.defineProperty(exports, "__esModule", { value: true });
+const fs = __importStar(require("fs"));
+const path = __importStar(require("path"));
 const core = __importStar(require("@actions/core"));
 const actionsUtil = __importStar(require("./actions-util"));
 const analyze_1 = require("./analyze");
@@ -30,13 +32,14 @@ async function sendStatusReport(startedAt, stats, error) {
 async function run() {
     const startedAt = new Date();
     let stats = undefined;
+    let config = undefined;
     try {
         actionsUtil.prepareLocalRunEnvironment();
         if (!(await actionsUtil.sendStatusReport(await actionsUtil.createStatusReportBase("finish", "starting", startedAt)))) {
             return;
         }
         const logger = logging_1.getActionsLogger();
-        const config = await config_utils_1.getConfig(actionsUtil.getRequiredEnvParam("RUNNER_TEMP"), logger);
+        config = await config_utils_1.getConfig(actionsUtil.getRequiredEnvParam("RUNNER_TEMP"), logger);
         if (config === undefined) {
             throw new Error("Config file could not be found at expected location. Has the 'init' action been called?");
         }
@@ -64,6 +67,29 @@ async function run() {
         await sendStatusReport(startedAt, stats, error);
         return;
     }
+    finally {
+        if (core.isDebug() && config !== undefined) {
+            core.info("Debug mode is on. Printing CodeQL debug logs...");
+            for (const language of config.languages) {
+                const databaseDirectory = util.getCodeQLDatabasePath(config.tempDir, language);
+                const logsDirectory = path.join(databaseDirectory, "log");
+                const walkLogFiles = (dir) => {
+                    const entries = fs.readdirSync(dir, { withFileTypes: true });
+                    for (const entry of entries) {
+                        if (entry.isFile()) {
+                            core.startGroup(`CodeQL Debug Logs - ${language} - ${entry.name}`);
+                            process.stdout.write(fs.readFileSync(path.resolve(dir, entry.name)));
+                            core.endGroup();
+                        }
+                        else if (entry.isDirectory()) {
+                            walkLogFiles(path.resolve(dir, entry.name));
+                        }
+                    }
+                };
+                walkLogFiles(logsDirectory);
+            }
+        }
+    }
     await sendStatusReport(startedAt, stats);
 }
 async function runWrapper() {
diff --git a/lib/analyze-action.js.map b/lib/analyze-action.js.map
index 7f9aace7e..9889aad96 100644
--- a/lib/analyze-action.js.map
+++ b/lib/analyze-action.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"analyze-action.js","sourceRoot":"","sources":["../src/analyze-action.ts"],"names":[],"mappings":";;;;;;;;;AAAA,uCAAyB;AACzB,2CAA6B;AAE7B,oDAAsC;AAEtC,4DAA8C;AAC9C,uCAImB;AACnB,iDAAmD;AACnD,uCAA6C;AAC7C,6CAAkD;AAClD,yDAA2C;AAC3C,6CAA+B;AAU/B,KAAK,UAAU,gBAAgB,CAC7B,SAAe,EACf,KAAuC,EACvC,KAAa;;IAEb,MAAM,MAAM,GACV,OAAA,KAAK,0CAAE,wBAAwB,MAAK,SAAS,IAAI,KAAK,KAAK,SAAS;QAClE,CAAC,CAAC,SAAS;QACX,CAAC,CAAC,SAAS,CAAC;IAChB,MAAM,gBAAgB,GAAG,MAAM,WAAW,CAAC,sBAAsB,CAC/D,QAAQ,EACR,MAAM,EACN,SAAS,QACT,KAAK,0CAAE,OAAO,QACd,KAAK,0CAAE,KAAK,CACb,CAAC;IACF,MAAM,YAAY,GAAuB;QACvC,GAAG,gBAAgB;QACnB,GAAG,CAAC,KAAK,IAAI,EAAE,CAAC;KACjB,CAAC;IACF,MAAM,WAAW,CAAC,gBAAgB,CAAC,YAAY,CAAC,CAAC;AACnD,CAAC;AAED,KAAK,UAAU,GAAG;IAChB,MAAM,SAAS,GAAG,IAAI,IAAI,EAAE,CAAC;IAC7B,IAAI,KAAK,GAAqC,SAAS,CAAC;IACxD,IAAI,MAAM,GAAuB,SAAS,CAAC;IAC3C,IAAI;QACF,WAAW,CAAC,0BAA0B,EAAE,CAAC;QACzC,IACE,CAAC,CAAC,MAAM,WAAW,CAAC,gBAAgB,CAClC,MAAM,WAAW,CAAC,sBAAsB,CACtC,QAAQ,EACR,UAAU,EACV,SAAS,CACV,CACF,CAAC,EACF;YACA,OAAO;SACR;QACD,MAAM,MAAM,GAAG,0BAAgB,EAAE,CAAC;QAClC,MAAM,GAAG,MAAM,wBAAS,CACtB,WAAW,CAAC,mBAAmB,CAAC,aAAa,CAAC,EAC9C,MAAM,CACP,CAAC;QACF,IAAI,MAAM,KAAK,SAAS,EAAE;YACxB,MAAM,IAAI,KAAK,CACb,yFAAyF,CAC1F,CAAC;SACH;QACD,MAAM,UAAU,GAAG;YACjB,IAAI,EAAE,WAAW,CAAC,gBAAgB,CAAC,OAAO,CAAC;YAC3C,GAAG,EAAE,WAAW,CAAC,mBAAmB,CAAC,mBAAmB,CAAC;SAC1D,CAAC;QACF,MAAM,SAAS,GAAG,WAAW,CAAC,gBAAgB,CAAC,QAAQ,CAAC,CAAC;QACzD,MAAM,YAAY,GAAG,MAAM,oBAAU,CACnC,SAAS,EACT,IAAI,CAAC,aAAa,CAAC,WAAW,CAAC,gBAAgB,CAAC,KAAK,CAAC,CAAC,EACvD,IAAI,CAAC,kBAAkB,CAAC,WAAW,CAAC,gBAAgB,CAAC,cAAc,CAAC,CAAC,EACrE,IAAI,CAAC,cAAc,CAAC,WAAW,CAAC,gBAAgB,CAAC,SAAS,CAAC,EAAE,MAAM,CAAC,EACpE,MAAM,EACN,MAAM,CACP,CAAC;QAEF,IAAI,WAAW,CAAC,gBAAgB,CAAC,QAAQ,CAAC,KAAK,MAAM,EAAE;YACrD,MAAM,WAAW,GAAG,MAAM,UAAU,CAAC,iBAAiB,CACpD,SAAS,EACT,+BAAkB,CAChB,WAAW,CAAC,mBAAmB,CAAC,mBAAmB,CAAC,CACrD,EACD,MAAM,WAAW,CAAC,YAAY,EAAE,EAChC,MAAM,WAAW,CAAC,MAAM,EAAE,EAC1B,MAAM,WAAW,CAAC,cAAc,EAAE,EAClC,WAAW,CAAC,mBAAmB,CAAC,iBAAiB,CAAC,EAClD,WAAW,CAAC,gBAAgB,EAAE,EAC9B,WAAW,CAAC,gBAAgB,CAAC,eAAe,CAAC,EAC7C,WAAW,CAAC,gBAAgB,CAAC,QAAQ,CAAC,EACtC,MAAM,CAAC,aAAa,EACpB,UAAU,EACV,MAAM,CACP,CAAC;YACF,KAAK,GAAG,EAAE,GAAG,YAAY,EAAE,GAAG,WAAW,EAAE,CAAC;SAC7C;aAAM;YACL,MAAM,CAAC,IAAI,CAAC,uBAAuB,CAAC,CAAC;YACrC,KAAK,GAAG,EAAE,GAAG,YAAY,EAAE,CAAC;SAC7B;KACF;IAAC,OAAO,KAAK,EAAE;QACd,IAAI,CAAC,SAAS,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC;QAC9B,OAAO,CAAC,GAAG,CAAC,KAAK,CAAC,CAAC;QAEnB,IAAI,KAAK,YAAY,6BAAmB,EAAE;YACxC,KAAK,GAAG,EAAE,GAAG,KAAK,CAAC,mBAAmB,EAAE,CAAC;SAC1C;QAED,MAAM,gBAAgB,CAAC,SAAS,EAAE,KAAK,EAAE,KAAK,CAAC,CAAC;QAChD,OAAO;KACR;YAAS;QACR,IAAI,IAAI,CAAC,OAAO,EAAE,IAAI,MAAM,KAAK,SAAS,EAAE;YAC1C,IAAI,CAAC,IAAI,CAAC,iDAAiD,CAAC,CAAC;YAC7D,KAAK,MAAM,QAAQ,IAAI,MAAM,CAAC,SAAS,EAAE;gBACvC,MAAM,iBAAiB,GAAG,IAAI,CAAC,qBAAqB,CAClD,MAAM,CAAC,OAAO,EACd,QAAQ,CACT,CAAC;gBACF,MAAM,aAAa,GAAG,IAAI,CAAC,IAAI,CAAC,iBAAiB,EAAE,KAAK,CAAC,CAAC;gBAE1D,MAAM,YAAY,GAAG,CAAC,GAAW,EAAE,EAAE;oBACnC,MAAM,OAAO,GAAG,EAAE,CAAC,WAAW,CAAC,GAAG,EAAE,EAAE,aAAa,EAAE,IAAI,EAAE,CAAC,CAAC;oBAC7D,KAAK,MAAM,KAAK,IAAI,OAAO,EAAE;wBAC3B,IAAI,KAAK,CAAC,MAAM,EAAE,EAAE;4BAClB,IAAI,CAAC,UAAU,CACb,uBAAuB,QAAQ,MAAM,KAAK,CAAC,IAAI,EAAE,CAClD,CAAC;4BACF,OAAO,CAAC,MAAM,CAAC,KAAK,CAClB,EAAE,CAAC,YAAY,CAAC,IAAI,CAAC,OAAO,CAAC,GAAG,EAAE,KAAK,CAAC,IAAI,CAAC,CAAC,CAC/C,CAAC;4BACF,IAAI,CAAC,QAAQ,EAAE,CAAC;yBACjB;6BAAM,IAAI,KAAK,CAAC,WAAW,EAAE,EAAE;4BAC9B,YAAY,CAAC,IAAI,CAAC,OAAO,CAAC,GAAG,EAAE,KAAK,CAAC,IAAI,CAAC,CAAC,CAAC;yBAC7C;qBACF;gBACH,CAAC,CAAC;gBACF,YAAY,CAAC,aAAa,CAAC,CAAC;aAC7B;SACF;KACF;IAED,MAAM,gBAAgB,CAAC,SAAS,EAAE,KAAK,CAAC,CAAC;AAC3C,CAAC;AAED,KAAK,UAAU,UAAU;IACvB,IAAI;QACF,MAAM,GAAG,EAAE,CAAC;KACb;IAAC,OAAO,KAAK,EAAE;QACd,IAAI,CAAC,SAAS,CAAC,0BAA0B,KAAK,EAAE,CAAC,CAAC;QAClD,OAAO,CAAC,GAAG,CAAC,KAAK,CAAC,CAAC;KACpB;AACH,CAAC;AAED,KAAK,UAAU,EAAE,CAAC"}
\ No newline at end of file
diff --git a/src/analyze-action.ts b/src/analyze-action.ts
index baab76377..1c4d6b85a 100644
--- a/src/analyze-action.ts
+++ b/src/analyze-action.ts
@@ -1,3 +1,6 @@
+import * as fs from "fs";
+import * as path from "path";
+
 import * as core from "@actions/core";
 
 import * as actionsUtil from "./actions-util";
@@ -6,7 +9,7 @@ import {
   CodeQLAnalysisError,
   QueriesStatusReport,
 } from "./analyze";
-import { getConfig } from "./config-utils";
+import { Config, getConfig } from "./config-utils";
 import { getActionsLogger } from "./logging";
 import { parseRepositoryNwo } from "./repository";
 import * as upload_lib from "./upload-lib";
@@ -46,6 +49,7 @@ async function sendStatusReport(
 async function run() {
   const startedAt = new Date();
   let stats: AnalysisStatusReport | undefined = undefined;
+  let config: Config | undefined = undefined;
   try {
     actionsUtil.prepareLocalRunEnvironment();
     if (
@@ -60,7 +64,7 @@ async function run() {
       return;
     }
     const logger = getActionsLogger();
-    const config = await getConfig(
+    config = await getConfig(
       actionsUtil.getRequiredEnvParam("RUNNER_TEMP"),
       logger
     );
@@ -115,6 +119,35 @@ async function run() {
 
     await sendStatusReport(startedAt, stats, error);
     return;
+  } finally {
+    if (core.isDebug() && config !== undefined) {
+      core.info("Debug mode is on. Printing CodeQL debug logs...");
+      for (const language of config.languages) {
+        const databaseDirectory = util.getCodeQLDatabasePath(
+          config.tempDir,
+          language
+        );
+        const logsDirectory = path.join(databaseDirectory, "log");
+
+        const walkLogFiles = (dir: string) => {
+          const entries = fs.readdirSync(dir, { withFileTypes: true });
+          for (const entry of entries) {
+            if (entry.isFile()) {
+              core.startGroup(
+                `CodeQL Debug Logs - ${language} - ${entry.name}`
+              );
+              process.stdout.write(
+                fs.readFileSync(path.resolve(dir, entry.name))
+              );
+              core.endGroup();
+            } else if (entry.isDirectory()) {
+              walkLogFiles(path.resolve(dir, entry.name));
+            }
+          }
+        };
+        walkLogFiles(logsDirectory);
+      }
+    }
   }
 
   await sendStatusReport(startedAt, stats);