feat: allow handling of compressed perfparser files

all of the code was in place but checking for perfparser format used the original filename instead the temporary (unpacked) one

Author: GitMensch

src/mainwindow.cpp

@@ -286,9 +286,9 @@ void MainWindow::closeEvent(QCloseEvent* event)
 
 QString MainWindow::queryOpenDataFile()
 {
-    const auto filter = tr("Hotspot data Files (perf*.data perf.data.* *.perfparser);;"
+    const auto filter = tr("Hotspot data Files (perf*.data perf.data.* *.perfparser *.perfparser.*);;"
                            "Linux Perf Files (perf*.data perf.data.*);;"
-                           "Perfparser Files (*.perfparser);;"
+                           "Perfparser Files (*.perfparser *.perfparser.*);;"
                            "All Files (*)");
     return QFileDialog::getOpenFileName(this, tr("Open File"), QDir::currentPath(), filter);
 }

src/parsers/perf/perfparser.cpp

@@ -1585,8 +1585,8 @@ void PerfParser::startParseFile(const QString& path)
 
     emit parsingStarted();
     using namespace ThreadWeaver;
-    stream() << make_job([path, parserBinary = m_parserBinary, parserArgs = m_parserArgs, debuginfodUrls,
-                          costAggregation, this]() {
+    stream() << make_job([origPath = path, path = m_parserArgs[1], parserBinary = m_parserBinary,
+                          parserArgs = m_parserArgs, debuginfodUrls, costAggregation, this]() {
         PerfParserPrivate d(costAggregation);
         connect(&d, &PerfParserPrivate::progress, this, &PerfParser::progress);
         connect(&d, &PerfParserPrivate::debugInfoDownloadProgress, this, &PerfParser::debugInfoDownloadProgress);
@@ -1622,7 +1622,8 @@ void PerfParser::startParseFile(const QString& path)
             while (!file.atEnd() && !d.stopRequested) {
                 if (!d.tryParse()) {
                     // TODO: provide reason
-                    emit parsingFailed(tr("Failed to parse file %1: %2").arg(path, QStringLiteral("Unknown reason")));
+                    emit parsingFailed(
+                        tr("Failed to parse file %1: %2").arg(origPath, QStringLiteral("Unknown reason")));
                     return;
                 }
             }

tests/integrationtests/file_content/perf.data.broken.gz

@@ -234,6 +234,9 @@ private slots:
 
         const auto perfData = QFINDTESTDATA("file_content/true.perfparser");
         QTest::addRow("pre-exported perfparser") << perfData << QString();
+#if KFArchive_FOUND
+        QTest::addRow("perfparser, xzipped") << QFINDTESTDATA("file_content/true.perfparser.xz") << QString();
+#endif
         const auto perfDataSomeName = QStringLiteral("fruitper");
         QFile::copy(perfData, perfDataSomeName); // we can ignore errors (file exist) here
         QTest::addRow("pre-exported perfparser \"bad extension\"") << perfDataSomeName << QString();
@@ -244,6 +247,8 @@ private slots:
         QTest::addRow("PERF v2") << QFINDTESTDATA("file_content/perf.data.true.v2") << QString();
 #if KFArchive_FOUND
         QTest::addRow("PERF v2, gzipped") << QFINDTESTDATA("file_content/perf.data.true.v2.gz") << QString();
+        QTest::addRow("no expected magic header, gzipped")
+            << QFINDTESTDATA("file_content/perf.data.broken.gz") << QStringLiteral("File format unknown");
 #endif
     }