diff --git a/admin/reports.php b/admin/reports.php
index 46c244fb002..b02ba0d1542 100644
--- a/admin/reports.php
+++ b/admin/reports.php
@@ -41,8 +41,9 @@ echo $OUTPUT->heading(get_string('reports'));
 $struninstall = get_string('uninstallplugin', 'core_admin');
 
 $table = new flexible_table('reportplugins_administration_table');
-$table->define_columns(array('name', 'version', 'uninstall'));
-$table->define_headers(array(get_string('plugin'), get_string('version'), $struninstall));
+$table->define_columns(array('name', 'logstoressupported', 'version', 'uninstall'));
+$table->define_headers(array(get_string('plugin'), get_string('logstoressupported', 'admin'), get_string('version'),
+        $struninstall));
 $table->define_baseurl($PAGE->url);
 $table->set_attribute('id', 'reportplugins');
 $table->set_attribute('class', 'admintable generaltable');
@@ -71,12 +72,23 @@ foreach ($installed as $config) {
     }
 }
 
+$logmanager = get_log_manager();
+
 foreach ($plugins as $plugin => $name) {
     $uninstall = '';
     if ($uninstallurl = core_plugin_manager::instance()->get_uninstall_url('report_'.$plugin, 'manage')) {
         $uninstall = html_writer::link($uninstallurl, $struninstall);
     }
 
+    $stores = $logmanager->get_supported_logstores('report_' . $plugin);
+    if ($stores === false) {
+        $supportedstores = get_string('logstorenotrequired', 'admin');
+    } else if (!empty($stores)) {
+        $supportedstores = implode(', ', $stores);
+    } else {
+        $supportedstores = get_string('nosupportedlogstore', 'admin');;
+    }
+
     if (!isset($versions[$plugin])) {
         if (file_exists("$CFG->dirroot/report/$plugin/version.php")) {
             // not installed yet
@@ -96,7 +108,7 @@ foreach ($plugins as $plugin => $name) {
         }
     }
 
-    $table->add_data(array($name, $version, $uninstall));
+    $table->add_data(array($name, $supportedstores, $version, $uninstall));
 }
 
 $table->print_html();
diff --git a/admin/tool/log/classes/log/manager.php b/admin/tool/log/classes/log/manager.php
index 4bffed0d3ca..129389f2e1c 100644
--- a/admin/tool/log/classes/log/manager.php
+++ b/admin/tool/log/classes/log/manager.php
@@ -110,6 +110,71 @@ class manager implements \core\log\manager {
         return $return;
     }
 
+    /**
+     * Get a list of reports that support the given store instance.
+     *
+     * @param string $logstore Name of the store.
+     *
+     * @return array List of supported reports
+     */
+    public function get_supported_reports($logstore) {
+
+        $allstores = self::get_store_plugins();
+        if (empty($allstores[$logstore])) {
+            // Store doesn't exist.
+            return array();
+        }
+
+        $reports = get_plugin_list_with_function('report', 'supports_logstore', 'lib.php');
+        $enabled = $this->stores;
+
+        if (empty($enabled[$logstore])) {
+            // Store is not enabled, init an instance.
+            $classname = '\\' . $logstore . '\log\store';
+            $instance = new $classname($this);
+        } else {
+            $instance = $enabled[$logstore];
+        }
+
+        $return = array();
+        foreach ($reports as $report => $fulldir) {
+            if (component_callback($report, 'supports_logstore', array($instance), false)) {
+                $return[$report] = get_string('pluginname', $report);
+            }
+        }
+
+        return $return;
+    }
+
+    /**
+     * For a given report, returns a list of log stores that are supported.
+     *
+     * @param string $component component.
+     *
+     * @return false|array list of logstores that support the given report. It returns false if the given $component doesn't
+     *      require logstores.
+     */
+    public function get_supported_logstores($component) {
+
+        $allstores = self::get_store_plugins();
+        $enabled = $this->stores;
+
+        $function = component_callback_exists($component, 'supports_logstore');
+        if (!$function) {
+            // The report doesn't define the callback, most probably it doesn't need log stores.
+            return false;
+        }
+
+        $return = array();
+        foreach ($allstores as $store => $logclass) {
+            $instance = empty($enabled[$store]) ? new $logclass($this) : $enabled[$store];
+            if ($function($instance)) {
+                $return[$store] = get_string('pluginname', $store);
+            }
+        }
+        return $return;
+    }
+
     /**
      * Intended for store management, do not use from reports.
      *
diff --git a/admin/tool/log/classes/setting_managestores.php b/admin/tool/log/classes/setting_managestores.php
index bb82a82560b..4161a5770cd 100644
--- a/admin/tool/log/classes/setting_managestores.php
+++ b/admin/tool/log/classes/setting_managestores.php
@@ -109,8 +109,8 @@ class tool_log_setting_managestores extends admin_setting {
         $strversion = get_string('version');
 
         $pluginmanager = core_plugin_manager::instance();
-
-        $available = \tool_log\log\manager::get_store_plugins();
+        $logmanager = new \tool_log\log\manager();
+        $available = $logmanager->get_store_plugins();
         $enabled = get_config('tool_log', 'enabled_stores');
         if (!$enabled) {
             $enabled = array();
@@ -132,8 +132,10 @@ class tool_log_setting_managestores extends admin_setting {
         $return .= $OUTPUT->box_start('generalbox loggingui');
 
         $table = new html_table();
-        $table->head = array(get_string('name'), $strversion, $strenable, $strup . '/' . $strdown, $strsettings, $struninstall);
-        $table->colclasses = array('leftalign', 'centeralign', 'centeralign', 'centeralign', 'centeralign', 'centeralign');
+        $table->head = array(get_string('name'), get_string('reportssupported', 'tool_log'), $strversion, $strenable,
+                $strup . '/' . $strdown, $strsettings, $struninstall);
+        $table->colclasses = array('leftalign', 'centeralign', 'centeralign', 'centeralign', 'centeralign', 'centeralign',
+                'centeralign');
         $table->id = 'logstoreplugins';
         $table->attributes['class'] = 'admintable generaltable';
         $table->data = array();
@@ -156,6 +158,13 @@ class tool_log_setting_managestores extends admin_setting {
                 $name = $store;
             }
 
+            $reports = $logmanager->get_supported_reports($store);
+            if (!empty($reports)) {
+                $supportedreports = implode(', ', $reports);
+            } else {
+                $supportedreports = '-';
+            }
+
             // Hide/show links.
             if (isset($enabled[$store])) {
                 $aurl = new moodle_url($url, array('action' => 'disable', 'store' => $store));
@@ -220,7 +229,7 @@ class tool_log_setting_managestores extends admin_setting {
             }
 
             // Add a row to the table.
-            $table->data[] = array($icon . $displayname, $version, $hideshow, $updown, $settings, $uninstall);
+            $table->data[] = array($icon . $displayname, $supportedreports, $version, $hideshow, $updown, $settings, $uninstall);
 
             $printed[$store] = true;
         }
diff --git a/admin/tool/log/lang/en/tool_log.php b/admin/tool/log/lang/en/tool_log.php
index 7301031633b..ef20f859e76 100644
--- a/admin/tool/log/lang/en/tool_log.php
+++ b/admin/tool/log/lang/en/tool_log.php
@@ -26,4 +26,5 @@ $string['actlogshdr'] = 'Available log stores';
 $string['configlogplugins'] = 'Please enable all required plugins and arrange then in appropriate order.';
 $string['logging'] = 'Logging';
 $string['managelogging'] = 'Manage log stores';
+$string['reportssupported'] = 'Reports supported';
 $string['pluginname'] = 'Log store manager';
diff --git a/admin/tool/log/store/database/tests/store_test.php b/admin/tool/log/store/database/tests/store_test.php
index e71e58e0f67..71e65432581 100644
--- a/admin/tool/log/store/database/tests/store_test.php
+++ b/admin/tool/log/store/database/tests/store_test.php
@@ -224,4 +224,25 @@ class logstore_database_store_testcase extends advanced_testcase {
         set_config('enabled_stores', '', 'tool_log');
         get_log_manager(true);
     }
+
+    /**
+     * Test logmanager::get_supported_reports returns all reports that require this store.
+     */
+    public function test_get_supported_reports() {
+        $logmanager = get_log_manager();
+        $allreports = \core_component::get_plugin_list('report');
+
+        $supportedreports = array(
+            'report_log' => '/report/log',
+            'report_loglive' => '/report/loglive'
+        );
+
+        // Make sure all supported reports are installed.
+        $expectedreports = array_keys(array_intersect_key($allreports, $supportedreports));
+        $reports = $logmanager->get_supported_reports('logstore_database');
+        $reports = array_keys($reports);
+        foreach ($expectedreports as $expectedreport) {
+            $this->assertContains($expectedreport, $reports);
+        }
+    }
 }
diff --git a/admin/tool/log/store/legacy/tests/store_test.php b/admin/tool/log/store/legacy/tests/store_test.php
index 89479dcf6b8..c78e013d1b8 100644
--- a/admin/tool/log/store/legacy/tests/store_test.php
+++ b/admin/tool/log/store/legacy/tests/store_test.php
@@ -249,4 +249,28 @@ class logstore_legacy_store_testcase extends advanced_testcase {
             \logstore_legacy\test\unittest_logstore_legacy::replace_sql_legacy($selectwhere, $params, $sort);
         $this->assertSame('ip DESC', $sort);
     }
+
+    /*
+     * Test logmanager::get_supported_reports returns all reports that require this store.
+     */
+    public function test_get_supported_reports() {
+        $logmanager = get_log_manager();
+        $allreports = \core_component::get_plugin_list('report');
+
+        $supportedreports = array(
+            'report_log' => '/report/log',
+            'report_loglive' => '/report/loglive',
+            'report_outline' => '/report/outline',
+            'report_participation' => '/report/participation',
+            'report_stats' => '/report/stats'
+        );
+
+        // Make sure all supported reports are installed.
+        $expectedreports = array_keys(array_intersect_key($allreports, $supportedreports));
+        $reports = $logmanager->get_supported_reports('logstore_legacy');
+        $reports = array_keys($reports);
+        foreach ($expectedreports as $expectedreport) {
+            $this->assertContains($expectedreport, $reports);
+        }
+    }
 }
diff --git a/admin/tool/log/store/standard/tests/store_test.php b/admin/tool/log/store/standard/tests/store_test.php
index 78a4c900f70..2d42b4cf202 100644
--- a/admin/tool/log/store/standard/tests/store_test.php
+++ b/admin/tool/log/store/standard/tests/store_test.php
@@ -195,4 +195,28 @@ class logstore_standard_store_testcase extends advanced_testcase {
         set_config('enabled_stores', '', 'tool_log');
         get_log_manager(true);
     }
+
+    /**
+     * Test logmanager::get_supported_reports returns all reports that require this store.
+     */
+    public function test_get_supported_reports() {
+        $logmanager = get_log_manager();
+        $allreports = \core_component::get_plugin_list('report');
+
+        $supportedreports = array(
+            'report_log' => '/report/log',
+            'report_loglive' => '/report/loglive',
+            'report_outline' => '/report/outline',
+            'report_participation' => '/report/participation',
+            'report_stats' => '/report/stats'
+        );
+
+        // Make sure all supported reports are installed.
+        $expectedreports = array_keys(array_intersect_key($allreports, $supportedreports));
+        $reports = $logmanager->get_supported_reports('logstore_standard');
+        $reports = array_keys($reports);
+        foreach ($expectedreports as $expectedreport) {
+            $this->assertContains($expectedreport, $reports);
+        }
+    }
 }
diff --git a/lang/en/admin.php b/lang/en/admin.php
index 86fa99f4f4b..8221742a3c8 100644
--- a/lang/en/admin.php
+++ b/lang/en/admin.php
@@ -651,6 +651,8 @@ $string['loginpageautofocus_help'] = 'Enabling this option improves usability of
 $string['loginpasswordautocomplete'] = 'Prevent password autocompletion on login form';
 $string['loginpasswordautocomplete_help'] = 'Having this off will let users save their account password in their browser. Switching this setting on will result in your site no longer following XHTML strict validation rules.';
 $string['loglifetime'] = 'Keep logs for';
+$string['logstorenotrequired'] = 'Log store not required';
+$string['logstoressupported'] = 'Log stores that support this report';
 $string['longtimewarning'] = '<b>Please note that this process can take a long time.</b>';
 $string['maintenancemode'] = 'In maintenance mode';
 $string['maintenancemodeisscheduled'] = 'This site will be switched to maintenance mode in {$a->min} mins {$a->sec} secs';
@@ -747,6 +749,7 @@ $string['nohttpsformobilewarning'] = 'It is recommended to enable HTTPS with a v
 $string['nomissingstrings'] = 'No missing strings';
 $string['nonewsettings'] = 'No new settings were added during this upgrade.';
 $string['nonexistentbookmark'] = 'The bookmark you requested does not exist.';
+$string['nosupportedlogstore'] = 'No supported logstore found';
 $string['maxtimelimit'] = 'Maximum time limit';
 $string['maxtimelimit_desc'] = 'To restrict the maximum PHP execution time that Moodle will allow without any output being displayed, enter a value in seconds here. 0 means that Moodle default restrictions are used. If you have a front-end server with its own time limit, set this value lower to receive PHP errors in logs. Does not apply to CLI scripts.';
 $string['noresults'] = 'No results found.';
diff --git a/lib/classes/log/dummy_manager.php b/lib/classes/log/dummy_manager.php
index 818e9ba2fea..5b4fc99f2a0 100644
--- a/lib/classes/log/dummy_manager.php
+++ b/lib/classes/log/dummy_manager.php
@@ -34,4 +34,8 @@ class dummy_manager implements manager {
 
     public function dispose() {
     }
+
+    public function get_supported_logstores($component) {
+        return array();
+    }
 }
diff --git a/lib/classes/log/manager.php b/lib/classes/log/manager.php
index b7b0849ea20..b6f39133c12 100644
--- a/lib/classes/log/manager.php
+++ b/lib/classes/log/manager.php
@@ -49,4 +49,14 @@ interface manager {
      * @return void
      */
     public function dispose();
+
+    /**
+     * For a given report, returns a list of log stores that are supported.
+     *
+     * @param string $component component.
+     *
+     * @return false|array list of logstores that support the given report. It returns false if the given $component doesn't
+     *      require logstores.
+     */
+    public function get_supported_logstores($component);
 }
diff --git a/report/log/lib.php b/report/log/lib.php
index c45bf1c8454..867da4dc4d9 100644
--- a/report/log/lib.php
+++ b/report/log/lib.php
@@ -40,6 +40,20 @@ function report_log_extend_navigation_course($navigation, $course, $context) {
     }
 }
 
+/**
+ * Callback to verify if the given instance of store is supported by this report or not.
+ *
+ * @param string $instance store instance.
+ *
+ * @return bool returns true if the store is supported by the report, false otherwise.
+ */
+function report_log_supports_logstore($instance) {
+    if ($instance instanceof \core\log\sql_select_reader) {
+        return true;
+    }
+    return false;
+}
+
 /**
  * This function extends the course navigation with the report items
  *
diff --git a/report/log/tests/lib_test.php b/report/log/tests/lib_test.php
new file mode 100644
index 00000000000..4c0996de99b
--- /dev/null
+++ b/report/log/tests/lib_test.php
@@ -0,0 +1,57 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Tests for report library functions.
+ *
+ * @package    report_log
+ * @copyright  2014 onwards Ankit agarwal <ankit.agrr@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later.
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Class report_log_events_testcase.
+ *
+ * @package    report_log
+ * @copyright  2014 onwards Ankit agarwal <ankit.agrr@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later.
+ */
+class report_log_lib_testcase extends advanced_testcase {
+
+    /**
+     * Test report_log_supports_logstore.
+     */
+    public function test_report_log_supports_logstore() {
+        $logmanager = get_log_manager();
+        $allstores = \core_component::get_plugin_list_with_class('logstore', 'log\store');
+
+        $supportedstores = array(
+            'logstore_database' => '\logstore_database\log\store',
+            'logstore_legacy' => '\logstore_legacy\log\store',
+            'logstore_standard' => '\logstore_standard\log\store'
+        );
+
+        // Make sure all supported stores are installed.
+        $expectedstores = array_keys(array_intersect($allstores, $supportedstores));
+        $stores = $logmanager->get_supported_logstores('report_log');
+        $stores = array_keys($stores);
+        foreach ($expectedstores as $expectedstore) {
+            $this->assertContains($expectedstore, $stores);
+        }
+    }
+}
diff --git a/report/loglive/lib.php b/report/loglive/lib.php
index be4edf243d3..c0d3237bdac 100644
--- a/report/loglive/lib.php
+++ b/report/loglive/lib.php
@@ -43,3 +43,17 @@ function report_loglive_extend_navigation_course($navigation, $course, $context)
         $navigation->add(get_string('pluginname', 'report_loglive'), $action, navigation_node::TYPE_SETTING, null, null, new pix_icon('i/report', ''));
     }
 }
+
+/**
+ * Callback to verify if the given instance of store is supported by this report or not.
+ *
+ * @param string $instance store instance.
+ *
+ * @return bool returns true if the store is supported by the report, false otherwise.
+ */
+function report_loglive_supports_logstore($instance) {
+    if ($instance instanceof \core\log\sql_select_reader) {
+        return true;
+    }
+    return false;
+}
diff --git a/report/loglive/tests/lib_test.php b/report/loglive/tests/lib_test.php
new file mode 100644
index 00000000000..ddc20f5139d
--- /dev/null
+++ b/report/loglive/tests/lib_test.php
@@ -0,0 +1,57 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Tests for report library functions.
+ *
+ * @package    report_loglive
+ * @copyright  2014 onwards Ankit agarwal <ankit.agrr@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later.
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Class report_loglive_lib_testcase
+ *
+ * @package    report_loglive
+ * @copyright  2014 onwards Ankit agarwal <ankit.agrr@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later.
+ */
+class report_loglive_lib_testcase extends advanced_testcase {
+
+    /**
+     * Test report_log_supports_logstore.
+     */
+    public function test_report_participation_supports_logstore() {
+        $logmanager = get_log_manager();
+        $allstores = \core_component::get_plugin_list_with_class('logstore', 'log\store');
+
+        $supportedstores = array(
+            'logstore_database' => '\logstore_legacy\log\database',
+            'logstore_legacy' => '\logstore_legacy\log\store',
+            'logstore_standard' => '\logstore_standard\log\store'
+        );
+
+        // Make sure all supported stores are installed.
+        $expectedstores = array_keys(array_intersect($allstores, $supportedstores));
+        $stores = $logmanager->get_supported_logstores('report_loglive');
+        $stores = array_keys($stores);
+        foreach ($expectedstores as $expectedstore) {
+            $this->assertContains($expectedstore, $stores);
+        }
+    }
+}
diff --git a/report/outline/lib.php b/report/outline/lib.php
index 11b27fe6ff7..16a300708a4 100644
--- a/report/outline/lib.php
+++ b/report/outline/lib.php
@@ -105,3 +105,17 @@ function report_outline_page_type_list($pagetype, $parentcontext, $currentcontex
     );
     return $array;
 }
+
+/**
+ * Callback to verify if the given instance of store is supported by this report or not.
+ *
+ * @param string $instance store instance.
+ *
+ * @return bool returns true if the store is supported by the report, false otherwise.
+ */
+function report_outline_supports_logstore($instance) {
+    if ($instance instanceof \core\log\sql_internal_reader || $instance instanceof \logstore_legacy\log\store) {
+        return true;
+    }
+    return false;
+}
diff --git a/report/outline/tests/lib_test.php b/report/outline/tests/lib_test.php
new file mode 100644
index 00000000000..9f1f1438957
--- /dev/null
+++ b/report/outline/tests/lib_test.php
@@ -0,0 +1,56 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Tests for report library functions.
+ *
+ * @package    report_outline
+ * @copyright  2014 onwards Ankit agarwal <ankit.agrr@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later.
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Class report_outline_lib_testcase
+ *
+ * @package    report_outline
+ * @copyright  2014 onwards Ankit agarwal <ankit.agrr@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later.
+ */
+class report_outline_lib_testcase extends advanced_testcase {
+
+    /**
+     * Test report_log_supports_logstore.
+     */
+    public function test_report_participation_supports_logstore() {
+        $logmanager = get_log_manager();
+        $allstores = \core_component::get_plugin_list_with_class('logstore', 'log\store');
+
+        $supportedstores = array(
+            'logstore_legacy' => '\logstore_legacy\log\store',
+            'logstore_standard' => '\logstore_standard\log\store'
+        );
+
+        // Make sure all supported stores are installed.
+        $expectedstores = array_keys(array_intersect($allstores, $supportedstores));
+        $stores = $logmanager->get_supported_logstores('report_outline');
+        $stores = array_keys($stores);
+        foreach ($expectedstores as $expectedstore) {
+            $this->assertContains($expectedstore, $stores);
+        }
+    }
+}
diff --git a/report/participation/lib.php b/report/participation/lib.php
index bf6be747f27..008395e449c 100644
--- a/report/participation/lib.php
+++ b/report/participation/lib.php
@@ -55,4 +55,18 @@ function report_participation_page_type_list($pagetype, $parentcontext, $current
         'report-participation-index' => get_string('page-report-participation-index',  'report_participation'),
     );
     return $array;
+}
+
+/**
+ * Callback to verify if the given instance of store is supported by this report or not.
+ *
+ * @param string $instance store instance.
+ *
+ * @return bool returns true if the store is supported by the report, false otherwise.
+ */
+function report_participation_supports_logstore($instance) {
+    if ($instance instanceof \core\log\sql_internal_reader || $instance instanceof \logstore_legacy\log\store) {
+        return true;
+    }
+    return false;
 }
\ No newline at end of file
diff --git a/report/participation/tests/lib_test.php b/report/participation/tests/lib_test.php
new file mode 100644
index 00000000000..89b637a3b1b
--- /dev/null
+++ b/report/participation/tests/lib_test.php
@@ -0,0 +1,56 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Tests for report library functions.
+ *
+ * @package    report_participation
+ * @copyright  2014 onwards Ankit agarwal <ankit.agrr@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later.
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Class report_participation_lib_testcase
+ *
+ * @package    report_participation
+ * @copyright  2014 onwards Ankit agarwal <ankit.agrr@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later.
+ */
+class report_participation_lib_testcase extends advanced_testcase {
+
+    /**
+     * Test report_log_supports_logstore.
+     */
+    public function test_report_participation_supports_logstore() {
+        $logmanager = get_log_manager();
+        $allstores = \core_component::get_plugin_list_with_class('logstore', 'log\store');
+
+        $supportedstores = array(
+            'logstore_legacy' => '\logstore_legacy\log\store',
+            'logstore_standard' => '\logstore_standard\log\store'
+        );
+
+        // Make sure all supported stores are installed.
+        $expectedstores = array_keys(array_intersect($allstores, $supportedstores));
+        $stores = $logmanager->get_supported_logstores('report_participation');
+        $stores = array_keys($stores);
+        foreach ($expectedstores as $expectedstore) {
+            $this->assertContains($expectedstore, $stores);
+        }
+    }
+}
diff --git a/report/stats/lib.php b/report/stats/lib.php
index 1c191a453c1..e3232a5434c 100644
--- a/report/stats/lib.php
+++ b/report/stats/lib.php
@@ -112,4 +112,18 @@ function report_stats_page_type_list($pagetype, $parentcontext, $currentcontext)
         'report-stats-user'  => get_string('page-report-stats-user',  'report_stats')
     );
     return $array;
+}
+
+/**
+ * Callback to verify if the given instance of store is supported by this report or not.
+ *
+ * @param string $instance store instance.
+ *
+ * @return bool returns true if the store is supported by the report, false otherwise.
+ */
+function report_stats_supports_logstore($instance) {
+    if ($instance instanceof \core\log\sql_internal_reader || $instance instanceof \logstore_legacy\log\store) {
+        return true;
+    }
+    return false;
 }
\ No newline at end of file
diff --git a/report/stats/tests/lib_test.php b/report/stats/tests/lib_test.php
new file mode 100644
index 00000000000..a7eb5008609
--- /dev/null
+++ b/report/stats/tests/lib_test.php
@@ -0,0 +1,56 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Tests for report library functions.
+ *
+ * @package    report_stats
+ * @copyright  2014 onwards Ankit agarwal <ankit.agrr@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later.
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Class report_stats_lib_testcase
+ *
+ * @package    report_stats
+ * @copyright  2014 onwards Ankit agarwal <ankit.agrr@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later.
+ */
+class report_stats_lib_testcase extends advanced_testcase {
+
+    /**
+     * Test report_log_supports_logstore.
+     */
+    public function test_report_participation_supports_logstore() {
+        $logmanager = get_log_manager();
+        $allstores = \core_component::get_plugin_list_with_class('logstore', 'log\store');
+
+        $supportedstores = array(
+            'logstore_legacy' => '\logstore_legacy\log\store',
+            'logstore_standard' => '\logstore_standard\log\store'
+        );
+
+        // Make sure all supported stores are installed.
+        $expectedstores = array_keys(array_intersect($allstores, $supportedstores));
+        $stores = $logmanager->get_supported_logstores('report_stats');
+        $stores = array_keys($stores);
+        foreach ($expectedstores as $expectedstore) {
+            $this->assertContains($expectedstore, $stores);
+        }
+    }
+}
diff --git a/report/upgrade.txt b/report/upgrade.txt
index eb434830fa8..e6f06a74bf1 100644
--- a/report/upgrade.txt
+++ b/report/upgrade.txt
@@ -4,6 +4,8 @@ information provided here is intended especially for developers.
 === 2.7 ===
 * How to migrate reports accessing table 'log':
   http://docs.moodle.org/dev/Migrating_log_access_in_reports
+* All reports that use logstores must implement a callback report_reportname_supports_logstore($storeinstance) in lib.php of the
+  report. Refer MDL-44596 for details.
 
 === 2.2 ===