diff --git a/extensions/openpower-pels/journal.cpp b/extensions/openpower-pels/journal.cpp
new file mode 100644
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+++ b/extensions/openpower-pels/journal.cpp
@@ -0,0 +1,176 @@
+/**
+ * Copyright © 2023 IBM Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "journal.hpp"
+
+#include <phosphor-logging/log.hpp>
+
+#include <stdexcept>
+#include <thread>
+
+namespace openpower::pels
+{
+
+using namespace phosphor::logging;
+
+/**
+ * @class JournalCloser
+ *
+ * Closes the journal on destruction
+ */
+class JournalCloser
+{
+  public:
+    JournalCloser() = delete;
+    JournalCloser(const JournalCloser&) = delete;
+    JournalCloser(JournalCloser&&) = delete;
+    JournalCloser& operator=(const JournalCloser&) = delete;
+    JournalCloser& operator=(JournalCloser&&) = delete;
+
+    explicit JournalCloser(sd_journal* journal) : journal{journal} {}
+
+    ~JournalCloser()
+    {
+        sd_journal_close(journal);
+    }
+
+  private:
+    sd_journal* journal{nullptr};
+};
+
+std::vector<std::string> Journal::getMessages(const std::string& syslogID,
+                                              size_t maxMessages) const
+{
+    // The message registry JSON schema will also fail if a zero is in the JSON
+    if (0 == maxMessages)
+    {
+        log<level::ERR>(
+            "maxMessages value of zero passed into Journal::getMessages");
+        return std::vector<std::string>{};
+    }
+
+    sd_journal* journal;
+    int rc = sd_journal_open(&journal, SD_JOURNAL_LOCAL_ONLY);
+    if (rc < 0)
+    {
+        throw std::runtime_error{std::string{"Failed to open journal: "} +
+                                 strerror(-rc)};
+    }
+
+    JournalCloser closer{journal};
+
+    if (!syslogID.empty())
+    {
+        std::string match{"SYSLOG_IDENTIFIER=" + syslogID};
+
+        rc = sd_journal_add_match(journal, match.c_str(), 0);
+        if (rc < 0)
+        {
+            throw std::runtime_error{
+                std::string{"Failed to add journal match: "} + strerror(-rc)};
+        }
+    }
+
+    // Loop through matching entries from newest to oldest
+    std::vector<std::string> messages;
+    messages.reserve(maxMessages);
+    std::string sID, pid, message, timeStamp, line;
+
+    SD_JOURNAL_FOREACH_BACKWARDS(journal)
+    {
+        timeStamp = getTimeStamp(journal);
+        sID = getFieldValue(journal, "SYSLOG_IDENTIFIER");
+        pid = getFieldValue(journal, "_PID");
+        message = getFieldValue(journal, "MESSAGE");
+
+        line = timeStamp + " " + sID + "[" + pid + "]: " + message;
+        messages.emplace(messages.begin(), line);
+
+        if (messages.size() >= maxMessages)
+        {
+            break;
+        }
+    }
+
+    return messages;
+}
+
+std::string Journal::getFieldValue(sd_journal* journal,
+                                   const std::string& field) const
+{
+    std::string value{};
+
+    const void* data{nullptr};
+    size_t length{0};
+    int rc = sd_journal_get_data(journal, field.c_str(), &data, &length);
+    if (rc < 0)
+    {
+        if (-rc == ENOENT)
+        {
+            // Current entry does not include this field; return empty value
+            return value;
+        }
+        else
+        {
+            throw std::runtime_error{
+                std::string{"Failed to read journal entry field: "} +
+                strerror(-rc)};
+        }
+    }
+
+    // Get value from field data.  Field data in format "FIELD=value".
+    std::string dataString{static_cast<const char*>(data), length};
+    std::string::size_type pos = dataString.find('=');
+    if ((pos != std::string::npos) && ((pos + 1) < dataString.size()))
+    {
+        // Value is substring after the '='
+        value = dataString.substr(pos + 1);
+    }
+
+    return value;
+}
+
+std::string Journal::getTimeStamp(sd_journal* journal) const
+{
+    // Get realtime (wallclock) timestamp of current journal entry.  The
+    // timestamp is in microseconds since the epoch.
+    uint64_t usec{0};
+    int rc = sd_journal_get_realtime_usec(journal, &usec);
+    if (rc < 0)
+    {
+        throw std::runtime_error{
+            std::string{"Failed to get journal entry timestamp: "} +
+            strerror(-rc)};
+    }
+
+    // Convert to number of seconds since the epoch
+    time_t secs = usec / 1000000;
+
+    // Convert seconds to tm struct required by strftime()
+    struct tm* timeStruct = localtime(&secs);
+    if (timeStruct == nullptr)
+    {
+        throw std::runtime_error{
+            std::string{"Invalid journal entry timestamp: "} + strerror(errno)};
+    }
+
+    // Convert tm struct into a date/time string
+    char timeStamp[80];
+    strftime(timeStamp, sizeof(timeStamp), "%b %d %H:%M:%S", timeStruct);
+
+    return timeStamp;
+}
+
+} // namespace openpower::pels