diff --git a/.github/workflows/CI-unixish.yml b/.github/workflows/CI-unixish.yml
index 1177c9849..b2d35df36 100644
--- a/.github/workflows/CI-unixish.yml
+++ b/.github/workflows/CI-unixish.yml
@@ -384,10 +384,6 @@ jobs:
         env:
           STRICT: 1
 
-      - name: Run showtimetop5 tests
-        run: |
-          ./tools/test_showtimetop5.sh
-
       - name: Run --dump test
         run: |
           ./cppcheck test/testpreprocessor.cpp --dump
@@ -470,7 +466,7 @@ jobs:
 
       - name: Self check
         run: |
-          selfcheck_options="-q -j$(nproc) --std=c++11 --template=selfcheck --showtime=top5 -D__CPPCHECK__ -D__GNUC__ -DCHECK_INTERNAL -DHAVE_RULES --error-exitcode=1 --inline-suppr --suppressions-list=.selfcheck_suppressions --library=gnu --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ --inconclusive --enable=style,performance,portability,warning,missingInclude,internal --exception-handling --debug-warnings --check-level=exhaustive"
+          selfcheck_options="-q -j$(nproc) --std=c++11 --template=selfcheck --showtime=top5_summary -D__CPPCHECK__ -D__GNUC__ -DCHECK_INTERNAL -DHAVE_RULES --error-exitcode=1 --inline-suppr --suppressions-list=.selfcheck_suppressions --library=gnu --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ --inconclusive --enable=style,performance,portability,warning,missingInclude,internal --exception-handling --debug-warnings --check-level=exhaustive"
           ec=0
           
           # TODO: add --check-config          
diff --git a/.github/workflows/asan.yml b/.github/workflows/asan.yml
index cb60117bf..428528e4a 100644
--- a/.github/workflows/asan.yml
+++ b/.github/workflows/asan.yml
@@ -89,7 +89,7 @@ jobs:
       - name: Self check
         if: false
         run: |
-          selfcheck_options="-q -j$(nproc) --std=c++11 --template=selfcheck --showtime=top5 -D__CPPCHECK__ -D__GNUC__ -DCHECK_INTERNAL -DHAVE_RULES --error-exitcode=1 --inline-suppr --suppressions-list=.selfcheck_suppressions --library=cppcheck-lib --library=gnu -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ --inconclusive --enable=style,performance,portability,warning,missingInclude,internal --exception-handling --debug-warnings"
+          selfcheck_options="-q -j$(nproc) --std=c++11 --template=selfcheck --showtime=top5_summary -D__CPPCHECK__ -D__GNUC__ -DCHECK_INTERNAL -DHAVE_RULES --error-exitcode=1 --inline-suppr --suppressions-list=.selfcheck_suppressions --library=cppcheck-lib --library=gnu -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ --inconclusive --enable=style,performance,portability,warning,missingInclude,internal --exception-handling --debug-warnings"
           ec=0
           ./cmake.output/bin/cppcheck $selfcheck_options --addon=naming.json cli lib || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options -DQT_VERSION=0x050000 -DQ_MOC_OUTPUT_REVISION=67 -DQT_CHARTS_LIB --library=qt --addon=naming.json -Icmake.output/gui -Igui gui/*.cpp cmake.output/gui/*.cpp || ec=1
diff --git a/.github/workflows/tsan.yml b/.github/workflows/tsan.yml
index e4a25a846..910e2fa42 100644
--- a/.github/workflows/tsan.yml
+++ b/.github/workflows/tsan.yml
@@ -89,7 +89,7 @@ jobs:
       - name: Self check
         if: false
         run: |
-          selfcheck_options="-q -j$(nproc) --std=c++11 --template=selfcheck --showtime=top5 -D__CPPCHECK__ -D__GNUC__ -DCHECK_INTERNAL -DHAVE_RULES --error-exitcode=0 --inline-suppr --suppressions-list=.selfcheck_suppressions --library=gnu --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ --inconclusive --enable=style,performance,portability,warning,missingInclude,internal --exception-handling --debug-warnings"
+          selfcheck_options="-q -j$(nproc) --std=c++11 --template=selfcheck --showtime=top5_summary -D__CPPCHECK__ -D__GNUC__ -DCHECK_INTERNAL -DHAVE_RULES --error-exitcode=0 --inline-suppr --suppressions-list=.selfcheck_suppressions --library=gnu --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ --inconclusive --enable=style,performance,portability,warning,missingInclude,internal --exception-handling --debug-warnings"
           ec=0
           ./cmake.output/bin/cppcheck $selfcheck_options --addon=naming.json -DCHECK_INTERNAL cli lib || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options -DQT_VERSION=0x050000 -DQ_MOC_OUTPUT_REVISION=67 -DQT_CHARTS_LIB --library=qt --addon=naming.json -Icmake.output/gui -Igui gui/*.cpp cmake.output/gui/*.cpp || ec=1
diff --git a/.github/workflows/ubsan.yml b/.github/workflows/ubsan.yml
index 98d03bf3c..335edbd62 100644
--- a/.github/workflows/ubsan.yml
+++ b/.github/workflows/ubsan.yml
@@ -85,7 +85,7 @@ jobs:
       # TODO: only fail the step on sanitizer issues - since we use processes it will only fail the underlying process which will result in an cppcheckError
       - name: Self check
         run: |
-          selfcheck_options="-q -j$(nproc) --std=c++11 --template=selfcheck --showtime=top5 -D__CPPCHECK__ -D__GNUC__ -DCHECK_INTERNAL -DHAVE_RULES --error-exitcode=1 --inline-suppr --suppressions-list=.selfcheck_suppressions --library=gnu --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ --inconclusive --enable=style,performance,portability,warning,missingInclude,internal --exception-handling --debug-warnings"
+          selfcheck_options="-q -j$(nproc) --std=c++11 --template=selfcheck --showtime=top5_summary -D__CPPCHECK__ -D__GNUC__ -DCHECK_INTERNAL -DHAVE_RULES --error-exitcode=1 --inline-suppr --suppressions-list=.selfcheck_suppressions --library=gnu --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ --inconclusive --enable=style,performance,portability,warning,missingInclude,internal --exception-handling --debug-warnings"
           ec=0
           ./cmake.output/bin/cppcheck $selfcheck_options --addon=naming.json cli lib || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options -DQT_VERSION=0x050000 -DQ_MOC_OUTPUT_REVISION=67 -DQT_CHARTS_LIB --library=qt --addon=naming.json -Icmake.output/gui -Igui gui/*.cpp cmake.output/gui/*.cpp || ec=1
diff --git a/Makefile b/Makefile
index 537e91846..36567d263 100644
--- a/Makefile
+++ b/Makefile
@@ -664,19 +664,19 @@ cli/filelister.o: cli/filelister.cpp cli/filelister.h lib/config.h lib/path.h li
 cli/main.o: cli/main.cpp cli/cppcheckexecutor.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h
 	$(CXX) ${INCLUDE_FOR_CLI} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ cli/main.cpp
 
-cli/processexecutor.o: cli/processexecutor.cpp cli/cppcheckexecutor.h cli/executor.h cli/processexecutor.h lib/analyzerinfo.h lib/check.h lib/color.h lib/config.h lib/cppcheck.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/utils.h
+cli/processexecutor.o: cli/processexecutor.cpp cli/cppcheckexecutor.h cli/executor.h cli/processexecutor.h lib/analyzerinfo.h lib/check.h lib/color.h lib/config.h lib/cppcheck.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/timer.h lib/utils.h
 	$(CXX) ${INCLUDE_FOR_CLI} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ cli/processexecutor.cpp
 
-cli/singleexecutor.o: cli/singleexecutor.cpp cli/executor.h cli/singleexecutor.h lib/analyzerinfo.h lib/check.h lib/color.h lib/config.h lib/cppcheck.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/utils.h
+cli/singleexecutor.o: cli/singleexecutor.cpp cli/executor.h cli/singleexecutor.h lib/analyzerinfo.h lib/check.h lib/color.h lib/config.h lib/cppcheck.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/timer.h lib/utils.h
 	$(CXX) ${INCLUDE_FOR_CLI} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ cli/singleexecutor.cpp
 
 cli/stacktrace.o: cli/stacktrace.cpp cli/stacktrace.h lib/config.h lib/utils.h
 	$(CXX) ${INCLUDE_FOR_CLI} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ cli/stacktrace.cpp
 
-cli/threadexecutor.o: cli/threadexecutor.cpp cli/cppcheckexecutor.h cli/executor.h cli/threadexecutor.h lib/analyzerinfo.h lib/check.h lib/color.h lib/config.h lib/cppcheck.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/utils.h
+cli/threadexecutor.o: cli/threadexecutor.cpp cli/cppcheckexecutor.h cli/executor.h cli/threadexecutor.h lib/analyzerinfo.h lib/check.h lib/color.h lib/config.h lib/cppcheck.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/timer.h lib/utils.h
 	$(CXX) ${INCLUDE_FOR_CLI} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ cli/threadexecutor.cpp
 
-test/fixture.o: test/fixture.cpp externals/tinyxml2/tinyxml2.h lib/check.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/utils.h test/fixture.h test/options.h test/redirect.h
+test/fixture.o: test/fixture.cpp externals/tinyxml2/tinyxml2.h lib/analyzerinfo.h lib/check.h lib/color.h lib/config.h lib/cppcheck.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/utils.h test/fixture.h test/options.h test/redirect.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/fixture.cpp
 
 test/helpers.o: test/helpers.cpp cli/filelister.h externals/simplecpp/simplecpp.h lib/config.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/path.h lib/pathmatch.h lib/platform.h lib/preprocessor.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/helpers.h
diff --git a/cli/cmdlineparser.cpp b/cli/cmdlineparser.cpp
index 0eb07362f..fffe0b02d 100644
--- a/cli/cmdlineparser.cpp
+++ b/cli/cmdlineparser.cpp
@@ -817,12 +817,22 @@ bool CmdLineParser::parseFromArgs(int argc, const char* const argv[])
                     mSettings.showtime = SHOWTIME_MODES::SHOWTIME_FILE_TOTAL;
                 else if (showtimeMode == "summary")
                     mSettings.showtime = SHOWTIME_MODES::SHOWTIME_SUMMARY;
-                else if (showtimeMode == "top5")
-                    mSettings.showtime = SHOWTIME_MODES::SHOWTIME_TOP5;
-                else if (showtimeMode.empty())
+                else if (showtimeMode == "top5") {
+                    mSettings.showtime = SHOWTIME_MODES::SHOWTIME_TOP5_FILE;
+                    mLogger.printMessage("--showtime=top5 is deprecated and will be removed in Cppcheck 2.14. Please use --showtime=top5_file or --showtime=top5_summary instead.");
+                }
+                else if (showtimeMode == "top5_file")
+                    mSettings.showtime = SHOWTIME_MODES::SHOWTIME_TOP5_FILE;
+                else if (showtimeMode == "top5_summary")
+                    mSettings.showtime = SHOWTIME_MODES::SHOWTIME_TOP5_SUMMARY;
+                else if (showtimeMode == "none")
                     mSettings.showtime = SHOWTIME_MODES::SHOWTIME_NONE;
+                else if (showtimeMode.empty()) {
+                    mLogger.printError("no mode provided for --showtime");
+                    return false;
+                }
                 else {
-                    mLogger.printError("unrecognized showtime mode: \"" + showtimeMode + "\". Supported modes: file, file-total, summary, top5.");
+                    mLogger.printError("unrecognized --showtime mode: '" + showtimeMode + "'. Supported modes: file, file-total, summary, top5, top5_file, top5_summary.");
                     return false;
                 }
             }
@@ -1268,6 +1278,22 @@ void CmdLineParser::printHelp()
     "    --rule-file=<file>   Use given rule file. For more information, see:\n"
     "                         http://sourceforge.net/projects/cppcheck/files/Articles/\n"
 #endif
+    "    --showtime=<mode>    Show timing information.\n"
+    "                         The available modes are:\n"
+    "                          * none\n"
+    "                                 Show nothing (default)\n"
+    "                          * file\n"
+    "                                 Show for each processed file\n"
+    "                          * file-total\n"
+    "                                 Show total time only for each processed file\n"
+    "                          * summary\n"
+    "                                 Show a summary at the end\n"
+    "                          * top5_file\n"
+    "                                 Show the top 5 for each processed file\n"
+    "                          * top5_summary\n"
+    "                                 Show the top 5 summary at the end\n"
+    "                          * top5\n"
+    "                                 Alias for top5_file (deprecated)\n"
     "    --std=<id>           Set standard.\n"
     "                         The available options are:\n"
     "                          * c89\n"
diff --git a/cli/processexecutor.cpp b/cli/processexecutor.cpp
index ec15fa07f..0e1c7b041 100644
--- a/cli/processexecutor.cpp
+++ b/cli/processexecutor.cpp
@@ -28,6 +28,7 @@
 #include "importproject.h"
 #include "settings.h"
 #include "suppressions.h"
+#include "timer.h"
 
 #include <algorithm>
 #include <numeric>
@@ -375,6 +376,9 @@ unsigned int ProcessExecutor::check()
         }
     }
 
+    // TODO: wee need to get the timing information from the subprocess
+    if (mSettings.showtime == SHOWTIME_MODES::SHOWTIME_SUMMARY || mSettings.showtime == SHOWTIME_MODES::SHOWTIME_TOP5_SUMMARY)
+        CppCheck::printTimerResults(mSettings.showtime);
 
     return result;
 }
diff --git a/cli/singleexecutor.cpp b/cli/singleexecutor.cpp
index c52c984d9..6c5ea6964 100644
--- a/cli/singleexecutor.cpp
+++ b/cli/singleexecutor.cpp
@@ -22,6 +22,7 @@
 #include "importproject.h"
 #include "library.h"
 #include "settings.h"
+#include "timer.h"
 
 #include <cassert>
 #include <list>
@@ -110,5 +111,8 @@ unsigned int SingleExecutor::check()
     if (mCppcheck.analyseWholeProgram())
         result++;
 
+    if (mSettings.showtime == SHOWTIME_MODES::SHOWTIME_SUMMARY || mSettings.showtime == SHOWTIME_MODES::SHOWTIME_TOP5_SUMMARY)
+        CppCheck::printTimerResults(mSettings.showtime);
+
     return result;
 }
diff --git a/cli/threadexecutor.cpp b/cli/threadexecutor.cpp
index 96f35ac40..aeffe9362 100644
--- a/cli/threadexecutor.cpp
+++ b/cli/threadexecutor.cpp
@@ -24,6 +24,7 @@
 #include "errorlogger.h"
 #include "importproject.h"
 #include "settings.h"
+#include "timer.h"
 
 #include <algorithm>
 #include <cassert>
@@ -191,7 +192,12 @@ unsigned int ThreadExecutor::check()
         }
     }
 
-    return std::accumulate(threadFutures.begin(), threadFutures.end(), 0U, [](unsigned int v, std::future<unsigned int>& f) {
+    unsigned int result = std::accumulate(threadFutures.begin(), threadFutures.end(), 0U, [](unsigned int v, std::future<unsigned int>& f) {
         return v + f.get();
     });
+
+    if (mSettings.showtime == SHOWTIME_MODES::SHOWTIME_SUMMARY || mSettings.showtime == SHOWTIME_MODES::SHOWTIME_TOP5_SUMMARY)
+        CppCheck::printTimerResults(mSettings.showtime);
+
+    return result;
 }
diff --git a/lib/cppcheck.cpp b/lib/cppcheck.cpp
index b064853ee..70d90763d 100644
--- a/lib/cppcheck.cpp
+++ b/lib/cppcheck.cpp
@@ -468,7 +468,6 @@ CppCheck::~CppCheck()
         delete mFileInfo.back();
         mFileInfo.pop_back();
     }
-    s_timerResults.showResults(mSettings.showtime);
 
     if (mPlistFile.is_open()) {
         mPlistFile << ErrorLogger::plistFooter();
@@ -1101,6 +1100,9 @@ unsigned int CppCheck::checkFile(const std::string& filename, const std::string
 
     mErrorList.clear();
 
+    if (mSettings.showtime == SHOWTIME_MODES::SHOWTIME_FILE || mSettings.showtime == SHOWTIME_MODES::SHOWTIME_TOP5_FILE)
+        printTimerResults(mSettings.showtime);
+
     return mExitCode;
 }
 
@@ -1904,3 +1906,14 @@ void CppCheck::removeCtuInfoFiles(const std::map<std::string, std::size_t> &file
         }
     }
 }
+
+// cppcheck-suppress unusedFunction - only used in tests
+void CppCheck::resetTimerResults()
+{
+    s_timerResults.reset();
+}
+
+void CppCheck::printTimerResults(SHOWTIME_MODES mode)
+{
+    s_timerResults.showResults(mode);
+}
diff --git a/lib/cppcheck.h b/lib/cppcheck.h
index fbe73eea1..785c66900 100644
--- a/lib/cppcheck.h
+++ b/lib/cppcheck.h
@@ -143,6 +143,9 @@ public:
     /** Remove *.ctu-info files */
     void removeCtuInfoFiles(const std::map<std::string, std::size_t>& files); // cppcheck-suppress functionConst // has side effects
 
+    static void resetTimerResults();
+    static void printTimerResults(SHOWTIME_MODES mode);
+
 private:
 #ifdef HAVE_RULES
     /** Are there "simple" rules */
diff --git a/lib/timer.cpp b/lib/timer.cpp
index 73bb3f024..69a56d168 100644
--- a/lib/timer.cpp
+++ b/lib/timer.cpp
@@ -24,13 +24,6 @@
 #include <iostream>
 #include <utility>
 #include <vector>
-/*
-    TODO:
-    - rename "file" to "single"
-    - add unit tests
-        - for --showtime (needs input file)
-        - for Timer* classes
- */
 
 namespace {
     using dataElementType = std::pair<std::string, struct TimerResultsData>;
@@ -38,24 +31,34 @@ namespace {
     {
         return lhs.second.seconds() > rhs.second.seconds();
     }
+
+    // TODO: remove and print through (synchronized) ErrorLogger instead
+    std::mutex stdCoutLock;
 }
 
+// TODO: this does not include any file context when SHOWTIME_FILE thus rendering it useless - should we include the logging with the progress logging?
+// that could also get rid of the broader locking
 void TimerResults::showResults(SHOWTIME_MODES mode) const
 {
     if (mode == SHOWTIME_MODES::SHOWTIME_NONE || mode == SHOWTIME_MODES::SHOWTIME_FILE_TOTAL)
         return;
 
-    std::cout << std::endl;
     TimerResultsData overallData;
-
     std::vector<dataElementType> data;
+
     {
         std::lock_guard<std::mutex> l(mResultsSync);
+
         data.reserve(mResults.size());
         data.insert(data.begin(), mResults.cbegin(), mResults.cend());
     }
     std::sort(data.begin(), data.end(), more_second_sec);
 
+    // lock the whole logging operation to avoid multiple threads printing their results at the same time
+    std::lock_guard<std::mutex> l(stdCoutLock);
+
+    std::cout << std::endl;
+
     size_t ordinal = 1; // maybe it would be nice to have an ordinal in output later!
     for (std::vector<dataElementType>::const_iterator iter=data.cbegin(); iter!=data.cend(); ++iter) {
         const double sec = iter->second.seconds();
@@ -75,7 +78,7 @@ void TimerResults::showResults(SHOWTIME_MODES mode) const
         }
         if (!hasParent)
             overallData.mClocks += iter->second.mClocks;
-        if ((mode != SHOWTIME_MODES::SHOWTIME_TOP5) || (ordinal<=5)) {
+        if ((mode != SHOWTIME_MODES::SHOWTIME_TOP5_FILE && mode != SHOWTIME_MODES::SHOWTIME_TOP5_SUMMARY) || (ordinal<=5)) {
             std::cout << iter->first << ": " << sec << "s (avg. " << secAverage << "s - " << iter->second.mNumberOfResults  << " result(s))" << std::endl;
         }
         ++ordinal;
@@ -93,6 +96,12 @@ void TimerResults::addResults(const std::string& str, std::clock_t clocks)
     mResults[str].mNumberOfResults++;
 }
 
+void TimerResults::reset()
+{
+    std::lock_guard<std::mutex> l(mResultsSync);
+    mResults.clear();
+}
+
 Timer::Timer(std::string str, SHOWTIME_MODES showtimeMode, TimerResultsIntf* timerResults)
     : mStr(std::move(str))
     , mTimerResults(timerResults)
@@ -119,9 +128,11 @@ void Timer::stop()
 
         if (mShowTimeMode == SHOWTIME_MODES::SHOWTIME_FILE) {
             const double sec = (double)diff / CLOCKS_PER_SEC;
+            std::lock_guard<std::mutex> l(stdCoutLock);
             std::cout << mStr << ": " << sec << "s" << std::endl;
         } else if (mShowTimeMode == SHOWTIME_MODES::SHOWTIME_FILE_TOTAL) {
             const double sec = (double)diff / CLOCKS_PER_SEC;
+            std::lock_guard<std::mutex> l(stdCoutLock);
             std::cout << "Check time: " << mStr << ": " << sec << "s" << std::endl;
         } else {
             if (mTimerResults)
diff --git a/lib/timer.h b/lib/timer.h
index 34a5216d8..bc409d18c 100644
--- a/lib/timer.h
+++ b/lib/timer.h
@@ -32,7 +32,8 @@ enum class SHOWTIME_MODES {
     SHOWTIME_FILE,
     SHOWTIME_FILE_TOTAL,
     SHOWTIME_SUMMARY,
-    SHOWTIME_TOP5
+    SHOWTIME_TOP5_SUMMARY,
+    SHOWTIME_TOP5_FILE
 };
 
 class CPPCHECKLIB TimerResultsIntf {
@@ -59,6 +60,8 @@ public:
     void showResults(SHOWTIME_MODES mode) const;
     void addResults(const std::string& str, std::clock_t clocks) override;
 
+    void reset();
+
 private:
     std::map<std::string, struct TimerResultsData> mResults;
     mutable std::mutex mResultsSync;
diff --git a/man/cppcheck.1.xml b/man/cppcheck.1.xml
index 2337be871..abd5ad9a0 100644
--- a/man/cppcheck.1.xml
+++ b/man/cppcheck.1.xml
@@ -189,6 +189,9 @@ man(1), man(7), http://www.tldp.org/HOWTO/Man-Page/
       <arg choice="opt">
         <option>--rule-file=&lt;file&gt;</option>
       </arg>
+      <arg choice="opt">
+        <option>--showtime=&lt;mode&gt;</option>
+      </arg>
       <arg choice="opt">
         <option>--std=&lt;id&gt;</option>
       </arg>
@@ -543,6 +546,16 @@ There are false positives with this option. Each result must be carefully invest
           <para>Use given rule XML file. See https://sourceforge.net/projects/cppcheck/files/Articles/ for more info about the syntax. This command is only available if cppcheck was compiled with HAVE_RULES=yes.</para>
         </listitem>
       </varlistentry>
+      <varlistentry>
+        <term>
+          <option>--showtime=&lt;mode&gt;</option>
+        </term>
+        <listitem>
+          <para>Show timing information. The available mode are:
+            <glosslist><glossentry><glossterm>none</glossterm><glossdef><para>Show nothing (default)</para></glossdef></glossentry><glossentry><glossterm>file</glossterm><glossdef><para>Show for each processed file</para></glossdef></glossentry><glossentry><glossterm>file-total</glossterm><glossdef><para>Show total time only for each processed file</para></glossdef></glossentry><glossentry><glossterm>summary</glossterm><glossdef><para>Show a summary at the end</para></glossdef></glossentry><glossentry><glossterm>top5_file</glossterm><glossdef><para>Show the top 5 for each processed file</para></glossdef></glossentry><glossentry><glossterm>top5_summary</glossterm><glossdef><para>Show the top 5 summary at the end</para></glossdef></glossentry><glossentry><glossterm>top5</glossterm><glossdef><para>Alias for top5_file (deprecated)</para></glossdef></glossentry></glosslist>
+          </para>
+        </listitem>
+      </varlistentry>
       <varlistentry>
         <term>
           <option>--std=&lt;id&gt;</option>
diff --git a/releasenotes.txt b/releasenotes.txt
index 996751884..80455123a 100644
--- a/releasenotes.txt
+++ b/releasenotes.txt
@@ -12,6 +12,11 @@ GUI:
 Changed interface:
 -
 
+Deprecations:
+- "--showtime=top5" has been deprecated and will be removed in Cppcheck 2.14. Please use --showtime=top5_file or --showtime=top5_summary instead.
+
 Other:
 - Windows builds now default to the `native` platform instead of `win32A` or `win64`. Please specify it explicitly if you depedent on it.
-- The undocumented and deprecated command-line options `--template <template>` and `--template-format <template>` has been removed. Please use `--template=` and `--template-format=` instead.
\ No newline at end of file
+- The undocumented and deprecated command-line options `--template <template>` and `--template-format <template>` has been removed. Please use `--template=` and `--template-format=` instead.
+- "--showtime=summary" will now show a single summary at the end instead of showing it after each file when using the thread execution (default on Windows)
+- added "--showtime=none" to disable any previously specified showtime report. "--showtime=" without parameter is no longer valid.
diff --git a/test/cli/test-other.py b/test/cli/test-other.py
index d79f25101..25397933b 100644
--- a/test/cli/test-other.py
+++ b/test/cli/test-other.py
@@ -531,3 +531,26 @@ def test_unused_function_include(tmpdir):
 
     _, _, stderr = cppcheck(args)
     assert stderr == "{}:4:0: style: The function 'f' is never used. [unusedFunction]\n".format(test_h_file)
+
+
+# TODO: test with -j and all other types
+def test_showtime_top5_file(tmpdir):
+    test_file = os.path.join(tmpdir, 'test.cpp')
+    with open(test_file, 'wt') as f:
+        f.write("""
+                int main(int argc)
+                {
+                }
+                """)
+
+    args = ['--showtime=top5_file', '--quiet', test_file]
+
+    exitcode, stdout, stderr = cppcheck(args)
+    assert exitcode == 0  # TODO: needs to be 1
+    lines = stdout.splitlines()
+    assert len(lines) == 7
+    assert lines[0] == ''
+    for i in range(1, 5):
+        assert lines[i].endswith(' - 1 result(s))')
+    assert lines[6].startswith('Overall time:')
+    assert stderr == ''
diff --git a/test/fixture.cpp b/test/fixture.cpp
index bc0c930ba..ad7c83714 100644
--- a/test/fixture.cpp
+++ b/test/fixture.cpp
@@ -18,6 +18,7 @@
 
 #include "fixture.h"
 
+#include "cppcheck.h"
 #include "errortypes.h"
 #include "options.h"
 #include "redirect.h"
@@ -90,6 +91,7 @@ bool TestFixture::prepareTest(const char testname[])
     mVerbose = false;
     mTemplateFormat.clear();
     mTemplateLocation.clear();
+    CppCheck::resetTimerResults();
 
     prepareTestInternal();
 
diff --git a/test/helpers.h b/test/helpers.h
index 113668141..cdca26f90 100644
--- a/test/helpers.h
+++ b/test/helpers.h
@@ -92,6 +92,19 @@ public:
     static std::string getcode(Preprocessor &preprocessor, const std::string &filedata, const std::string &cfg, const std::string &filename, Suppressions *inlineSuppression = nullptr);
 };
 
+namespace cppcheck {
+    template<typename T>
+    std::size_t count_all_of(const std::string& str, T sub) {
+        std::size_t n = 0;
+        std::string::size_type pos = 0;
+        while ((pos = str.find(sub, pos)) != std::string::npos) {
+            ++pos;
+            ++n;
+        }
+        return n;
+    }
+}
+
 /* designated initialization helper
     Usage:
     struct S
diff --git a/test/testcmdlineparser.cpp b/test/testcmdlineparser.cpp
index c2761239c..c736455ea 100644
--- a/test/testcmdlineparser.cpp
+++ b/test/testcmdlineparser.cpp
@@ -234,7 +234,14 @@ private:
         TEST_CASE(xmlverunknown);
         TEST_CASE(xmlverinvalid);
         TEST_CASE(doc);
-        TEST_CASE(showtime);
+        TEST_CASE(showtimeFile);
+        TEST_CASE(showtimeFileTotal);
+        TEST_CASE(showtimeTop5);
+        TEST_CASE(showtimeTop5File);
+        TEST_CASE(showtimeTop5Summary);
+        TEST_CASE(showtimeNone);
+        TEST_CASE(showtimeEmpty);
+        TEST_CASE(showtimeInvalid);
         TEST_CASE(errorlist1);
         TEST_CASE(errorlistverbose1);
         TEST_CASE(errorlistverbose2);
@@ -1569,7 +1576,7 @@ private:
         ASSERT_EQUALS("", logger->str());
     }
 
-    void showtime() {
+    void showtimeSummary() {
         REDIRECT;
         const char * const argv[] = {"cppcheck", "--showtime=summary", "file.cpp"};
         settings->showtime = SHOWTIME_MODES::SHOWTIME_NONE;
@@ -1578,6 +1585,74 @@ private:
         ASSERT_EQUALS("", logger->str());
     }
 
+    void showtimeFile() {
+        REDIRECT;
+        const char * const argv[] = {"cppcheck", "--showtime=file", "file.cpp"};
+        settings->showtime = SHOWTIME_MODES::SHOWTIME_NONE;
+        ASSERT(parser->parseFromArgs(3, argv));
+        ASSERT(settings->showtime == SHOWTIME_MODES::SHOWTIME_FILE);
+        ASSERT_EQUALS("", logger->str());
+    }
+
+    void showtimeFileTotal() {
+        REDIRECT;
+        const char * const argv[] = {"cppcheck", "--showtime=file-total", "file.cpp"};
+        settings->showtime = SHOWTIME_MODES::SHOWTIME_NONE;
+        ASSERT(parser->parseFromArgs(3, argv));
+        ASSERT(settings->showtime == SHOWTIME_MODES::SHOWTIME_FILE_TOTAL);
+        ASSERT_EQUALS("", logger->str());
+    }
+
+    void showtimeTop5() {
+        REDIRECT;
+        const char * const argv[] = {"cppcheck", "--showtime=top5", "file.cpp"};
+        settings->showtime = SHOWTIME_MODES::SHOWTIME_NONE;
+        ASSERT(parser->parseFromArgs(3, argv));
+        ASSERT(settings->showtime == SHOWTIME_MODES::SHOWTIME_TOP5_FILE);
+        ASSERT_EQUALS("cppcheck: --showtime=top5 is deprecated and will be removed in Cppcheck 2.14. Please use --showtime=top5_file or --showtime=top5_summary instead.\n", logger->str());
+    }
+
+    void showtimeTop5File() {
+        REDIRECT;
+        const char * const argv[] = {"cppcheck", "--showtime=top5_file", "file.cpp"};
+        settings->showtime = SHOWTIME_MODES::SHOWTIME_NONE;
+        ASSERT(parser->parseFromArgs(3, argv));
+        ASSERT(settings->showtime == SHOWTIME_MODES::SHOWTIME_TOP5_FILE);
+        ASSERT_EQUALS("", logger->str());
+    }
+
+    void showtimeTop5Summary() {
+        REDIRECT;
+        const char * const argv[] = {"cppcheck", "--showtime=top5_summary", "file.cpp"};
+        settings->showtime = SHOWTIME_MODES::SHOWTIME_NONE;
+        ASSERT(parser->parseFromArgs(3, argv));
+        ASSERT(settings->showtime == SHOWTIME_MODES::SHOWTIME_TOP5_SUMMARY);
+        ASSERT_EQUALS("", logger->str());
+    }
+
+    void showtimeNone() {
+        REDIRECT;
+        const char * const argv[] = {"cppcheck", "--showtime=none", "file.cpp"};
+        settings->showtime = SHOWTIME_MODES::SHOWTIME_FILE;
+        ASSERT(parser->parseFromArgs(3, argv));
+        ASSERT(settings->showtime == SHOWTIME_MODES::SHOWTIME_NONE);
+        ASSERT_EQUALS("", logger->str());
+    }
+
+    void showtimeEmpty() {
+        REDIRECT;
+        const char * const argv[] = {"cppcheck", "--showtime=", "file.cpp"};
+        ASSERT(!parser->parseFromArgs(3, argv));
+        ASSERT_EQUALS("cppcheck: error: no mode provided for --showtime\n", logger->str());
+    }
+
+    void showtimeInvalid() {
+        REDIRECT;
+        const char * const argv[] = {"cppcheck", "--showtime=top10", "file.cpp"};
+        ASSERT(!parser->parseFromArgs(3, argv));
+        ASSERT_EQUALS("cppcheck: error: unrecognized --showtime mode: 'top10'. Supported modes: file, file-total, summary, top5, top5_file, top5_summary.\n", logger->str());
+    }
+
     void errorlist1() {
         REDIRECT;
         const char * const argv[] = {"cppcheck", "--errorlist"};
diff --git a/test/testprocessexecutor.cpp b/test/testprocessexecutor.cpp
index e3febc758..69757bf42 100644
--- a/test/testprocessexecutor.cpp
+++ b/test/testprocessexecutor.cpp
@@ -49,6 +49,7 @@ private:
     struct CheckOptions
     {
         CheckOptions() = default;
+        bool quiet = true;
         SHOWTIME_MODES showtime = SHOWTIME_MODES::SHOWTIME_NONE;
         const char* plistOutput = nullptr;
         std::vector<std::string> filesList;
@@ -80,6 +81,7 @@ private:
         Settings s = settings;
         s.jobs = jobs;
         s.showtime = opt.showtime;
+        settings.quiet = opt.quiet;
         if (opt.plistOutput)
             s.plistOutput = opt.plistOutput;
         // TODO: test with settings.project.fileSettings;
@@ -104,6 +106,11 @@ private:
         TEST_CASE(one_error_less_files);
         TEST_CASE(one_error_several_files);
         TEST_CASE(markup);
+        TEST_CASE(showtime_top5_file);
+        TEST_CASE(showtime_top5_summary);
+        TEST_CASE(showtime_file);
+        TEST_CASE(showtime_summary);
+        TEST_CASE(showtime_file_total);
 #endif // !WIN32
     }
 
@@ -119,6 +126,7 @@ private:
         check(2, 3, 3, oss.str());
     }
 
+    // TODO: check the output
     void many_threads() {
         check(16, 100, 100,
               "int main()\n"
@@ -209,7 +217,9 @@ private:
               "  char *a = malloc(10);\n"
               "  return 0;\n"
               "}",
-              dinit(CheckOptions, $.filesList = files));
+              dinit(CheckOptions,
+                    $.quiet = false,
+                        $.filesList = files));
         // TODO: order of "Checking" and "checked" is affected by thread
         /*TODO_ASSERT_EQUALS("Checking " + fprefix() + "_2.cpp ...\n"
                            "1/4 files checked 25% done\n"
@@ -231,6 +241,68 @@ private:
         settings = settingsOld;
     }
 
+    // TODO: provide data which actually shows values above 0
+
+    // TODO: should this be logged only once like summary?
+    void showtime_top5_file() {
+        REDIRECT; // should not cause TSAN failures as the showtime logging is synchronized
+        check(2, 2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_TOP5_FILE));
+        // for each file: top5 results + overall + empty line
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        // for each file: top5 results + overall + empty line
+        TODO_ASSERT_EQUALS(static_cast<long long>(5 + 1 + 1) * 2, 0, cppcheck::count_all_of(output_s, '\n'));
+    }
+
+    void showtime_top5_summary() {
+        REDIRECT;
+        check(2, 2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_TOP5_SUMMARY));
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        // once: top5 results + overall + empty line
+        TODO_ASSERT_EQUALS(5 + 1 + 1, 2, cppcheck::count_all_of(output_s, '\n'));
+        // should only report the top5 once
+        ASSERT(output_s.find("1 result(s)") == std::string::npos);
+        TODO_ASSERT(output_s.find("2 result(s)") != std::string::npos);
+    }
+
+    void showtime_file() {
+        REDIRECT; // should not cause TSAN failures as the showtime logging is synchronized
+        check(2, 2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_FILE));
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        TODO_ASSERT_EQUALS(2, 0, cppcheck::count_all_of(output_s, "Overall time:"));
+    }
+
+    void showtime_summary() {
+        REDIRECT; // should not cause TSAN failures as the showtime logging is synchronized
+        check(2, 2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_SUMMARY));
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        // should only report the actual summary once
+        ASSERT(output_s.find("1 result(s)") == std::string::npos);
+        TODO_ASSERT(output_s.find("2 result(s)") != std::string::npos);
+    }
+
+    void showtime_file_total() {
+        REDIRECT; // should not cause TSAN failures as the showtime logging is synchronized
+        check(2, 2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_FILE_TOTAL));
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        TODO_ASSERT(output_s.find("Check time: " + fprefix() + "_1.cpp: ") != std::string::npos);
+        TODO_ASSERT(output_s.find("Check time: " + fprefix() + "_2.cpp: ") != std::string::npos);
+    }
+
     // TODO: test clang-tidy
     // TODO: test whole program analysis
 };
diff --git a/test/testsingleexecutor.cpp b/test/testsingleexecutor.cpp
index f9c2d6f55..593ca2b67 100644
--- a/test/testsingleexecutor.cpp
+++ b/test/testsingleexecutor.cpp
@@ -64,6 +64,7 @@ private:
     struct CheckOptions
     {
         CheckOptions() = default;
+        bool quiet = true;
         SHOWTIME_MODES showtime = SHOWTIME_MODES::SHOWTIME_NONE;
         const char* plistOutput = nullptr;
         std::vector<std::string> filesList;
@@ -102,6 +103,7 @@ private:
         }
 
         settings.showtime = opt.showtime;
+        settings.quiet = opt.quiet;
         if (opt.plistOutput)
             settings.plistOutput = opt.plistOutput;
 
@@ -149,26 +151,27 @@ private:
         TEST_CASE(one_error_several_files);
         TEST_CASE(markup);
         TEST_CASE(clangTidy);
+        TEST_CASE(showtime_top5_file);
+        TEST_CASE(showtime_top5_summary);
+        TEST_CASE(showtime_file);
+        TEST_CASE(showtime_summary);
+        TEST_CASE(showtime_file_total);
     }
 
     void many_files() {
-        const Settings settingsOld = settings;
-        settings.quiet = false;
-
         check(100, 100,
               "int main()\n"
               "{\n"
               "  char *a = malloc(10);\n"
               "  return 0;\n"
-              "}");
+              "}", dinit(CheckOptions,
+                         $.quiet = false));
         std::string expected;
         for (int i = 1; i <= 100; ++i) {
             expected += "Checking " + fprefix() + "_" + zpad3(i) + ".cpp ...\n";
             expected += std::to_string(i) + "/100 files checked " + std::to_string(i) + "% done\n";
         }
         ASSERT_EQUALS(expected, output.str());
-
-        settings = settingsOld;
     }
 
     void many_files_showtime() {
@@ -251,7 +254,9 @@ private:
               "  char *a = malloc(10);\n"
               "  return 0;\n"
               "}",
-              dinit(CheckOptions, $.filesList = files));
+              dinit(CheckOptions,
+                    $.quiet = false,
+                        $.filesList = files));
         // TODO: filter out the "files checked" messages
         ASSERT_EQUALS("Checking " + fprefix() + "_2.cpp ...\n"
                       "1/4 files checked 25% done\n"
@@ -285,13 +290,74 @@ private:
               "  return 0;\n"
               "}",
               dinit(CheckOptions,
-                    $.executeCommandCalled = true,
+                    $.quiet = false,
+                        $.executeCommandCalled = true,
                         $.exe = exe,
                         $.args = {"-quiet", "-checks=*,-clang-analyzer-*,-llvm*", file, "--"}));
         ASSERT_EQUALS("Checking " + file + " ...\n", output.str());
         settings = settingsOld;
     }
 
+// TODO: provide data which actually shows values above 0
+
+    void showtime_top5_file() {
+        REDIRECT;
+        check(2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_TOP5_FILE));
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        // for each file: top5 results + overall + empty line
+        ASSERT_EQUALS((5 + 1 + 1) * 2, cppcheck::count_all_of(output_s, '\n'));
+    }
+
+    void showtime_top5_summary() {
+        REDIRECT;
+        check(2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_TOP5_SUMMARY));
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        // once: top5 results + overall + empty line
+        ASSERT_EQUALS(5 + 1 + 1, cppcheck::count_all_of(output_s, '\n'));
+        // should only report the top5 once
+        ASSERT(output_s.find("1 result(s)") == std::string::npos);
+        ASSERT(output_s.find("2 result(s)") != std::string::npos);
+    }
+
+    void showtime_file() {
+        REDIRECT;
+        check(2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_FILE));
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        ASSERT_EQUALS(2, cppcheck::count_all_of(output_s, "Overall time:"));
+    }
+
+    void showtime_summary() {
+        REDIRECT;
+        check(2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_SUMMARY));
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        // should only report the actual summary once
+        ASSERT(output_s.find("1 result(s)") == std::string::npos);
+        ASSERT(output_s.find("2 result(s)") != std::string::npos);
+    }
+
+    void showtime_file_total() {
+        REDIRECT;
+        check(2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_FILE_TOTAL));
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        ASSERT(output_s.find("Check time: " + fprefix() + "_" + zpad3(1) + ".cpp: ") != std::string::npos);
+        ASSERT(output_s.find("Check time: " + fprefix() + "_" + zpad3(2) + ".cpp: ") != std::string::npos);
+    }
+
     // TODO: test whole program analysis
 };
 
diff --git a/test/testthreadexecutor.cpp b/test/testthreadexecutor.cpp
index 7dccdf51e..d12bf289a 100644
--- a/test/testthreadexecutor.cpp
+++ b/test/testthreadexecutor.cpp
@@ -49,6 +49,7 @@ private:
     struct CheckOptions
     {
         CheckOptions() = default;
+        bool quiet = true;
         SHOWTIME_MODES showtime = SHOWTIME_MODES::SHOWTIME_NONE;
         const char* plistOutput = nullptr;
         std::vector<std::string> filesList;
@@ -80,6 +81,7 @@ private:
         Settings settings1 = settings;
         settings1.jobs = jobs;
         settings1.showtime = opt.showtime;
+        settings1.quiet = opt.quiet;
         if (opt.plistOutput)
             settings1.plistOutput = opt.plistOutput;
         // TODO: test with settings.project.fileSettings;
@@ -103,6 +105,11 @@ private:
         TEST_CASE(one_error_less_files);
         TEST_CASE(one_error_several_files);
         TEST_CASE(markup);
+        TEST_CASE(showtime_top5_file);
+        TEST_CASE(showtime_top5_summary);
+        TEST_CASE(showtime_file);
+        TEST_CASE(showtime_summary);
+        TEST_CASE(showtime_file_total);
     }
 
     void deadlock_with_many_errors() {
@@ -117,6 +124,7 @@ private:
         check(2, 3, 3, oss.str());
     }
 
+    // TODO: check the output
     void many_threads() {
         check(16, 100, 100,
               "int main()\n"
@@ -134,7 +142,8 @@ private:
               "{\n"
               "  char *a = malloc(10);\n"
               "  return 0;\n"
-              "}", dinit(CheckOptions, $.showtime = SHOWTIME_MODES::SHOWTIME_SUMMARY));
+              "}", dinit(CheckOptions,
+                         $.showtime = SHOWTIME_MODES::SHOWTIME_SUMMARY));
     }
 
     void many_threads_plist() {
@@ -146,7 +155,8 @@ private:
               "{\n"
               "  char *a = malloc(10);\n"
               "  return 0;\n"
-              "}", dinit(CheckOptions, $.plistOutput = plistOutput));
+              "}", dinit(CheckOptions,
+                         $.plistOutput = plistOutput));
     }
 
     void no_errors_more_files() {
@@ -229,6 +239,69 @@ private:
         settings = settingsOld;
     }
 
+
+    // TODO: provide data which actually shows values above 0
+
+    // TODO: should this be logged only once like summary?
+    void showtime_top5_file() {
+        REDIRECT; // should not cause TSAN failures as the showtime logging is synchronized
+        check(2, 2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_TOP5_FILE));
+        // for each file: top5 results + overall + empty line
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        // for each file: top5 results + overall + empty line
+        ASSERT_EQUALS((5 + 1 + 1) * 2, cppcheck::count_all_of(output_s, '\n'));
+    }
+
+    void showtime_top5_summary() {
+        REDIRECT;
+        check(2, 2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_TOP5_SUMMARY));
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        // once: top5 results + overall + empty line
+        ASSERT_EQUALS(5 + 1 + 1, cppcheck::count_all_of(output_s, '\n'));
+        // should only report the top5 once
+        ASSERT(output_s.find("1 result(s)") == std::string::npos);
+        ASSERT(output_s.find("2 result(s)") != std::string::npos);
+    }
+
+    void showtime_file() {
+        REDIRECT; // should not cause TSAN failures as the showtime logging is synchronized
+        check(2, 2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_FILE));
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        ASSERT_EQUALS(2, cppcheck::count_all_of(output_s, "Overall time:"));
+    }
+
+    void showtime_summary() {
+        REDIRECT; // should not cause TSAN failures as the showtime logging is synchronized
+        check(2, 2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_SUMMARY));
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        // should only report the actual summary once
+        ASSERT(output_s.find("1 result(s)") == std::string::npos);
+        ASSERT(output_s.find("2 result(s)") != std::string::npos);
+    }
+
+    void showtime_file_total() {
+        REDIRECT; // should not cause TSAN failures as the showtime logging is synchronized
+        check(2, 2, 0,
+              "int main() {}",
+              dinit(CheckOptions,
+                    $.showtime = SHOWTIME_MODES::SHOWTIME_FILE_TOTAL));
+        const std::string output_s = GET_REDIRECT_OUTPUT;
+        ASSERT(output_s.find("Check time: " + fprefix() + "_1.cpp: ") != std::string::npos);
+        ASSERT(output_s.find("Check time: " + fprefix() + "_2.cpp: ") != std::string::npos);
+    }
+
     // TODO: test clang-tidy
     // TODO: test whole program analysis
 };
diff --git a/tools/donate_cpu_lib.py b/tools/donate_cpu_lib.py
index 83a0c3cbd..789ad32ef 100644
--- a/tools/donate_cpu_lib.py
+++ b/tools/donate_cpu_lib.py
@@ -440,9 +440,10 @@ def scan_package(cppcheck_path, source_path, libraries, capture_callstack=True):
 
     dir_to_scan = source_path
 
+    # TODO: temporarily disabled timing information - use --showtime=top5_summary when next version is released
     # TODO: remove missingInclude disabling when it no longer is implied by --enable=information
     # Reference for GNU C: https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html
-    options = libs + ' --showtime=top5 --check-library --inconclusive --enable=style,information --inline-suppr --disable=missingInclude --suppress=unmatchedSuppression --template=daca2'
+    options = libs + ' --showtime=none --check-library --inconclusive --enable=style,information --inline-suppr --disable=missingInclude --suppress=unmatchedSuppression --template=daca2'
     options += ' --debug-warnings --suppress=autoNoType --suppress=valueFlowBailout --suppress=bailoutUninitVar --suppress=symbolDatabaseWarning'
     options += ' -D__GNUC__ --platform=unix64'
     options_rp = options + ' -rp={}'.format(dir_to_scan)
diff --git a/tools/test_showtimetop5.sh b/tools/test_showtimetop5.sh
deleted file mode 100755
index 81315dd27..000000000
--- a/tools/test_showtimetop5.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-# "gwc" is a GNU compatible of "wc" on MacOS
-WC_CMD=$(command -v gwc || command -v wc)
-output=$(./cppcheck --showtime=top5 cli/cmdlineparser.h --language=c++ --quiet)
-echo "$output"
-if  [[ "$(echo "$output" | $WC_CMD -l)" != 7 ]] ; then
-    false
-fi