Merge pull request #3292 from vkarak/feat/expose-fail-phase

[feat] Add a `check_fail_phase` log formatting specifier

docs/config_reference.rst

@@ -1145,6 +1145,7 @@ All logging handlers share the following set of common attributes:
       ``%(check_executable)s``, The value of the :attr:`~reframe.core.pipeline.RegressionTest.executable` attribute.
       ``%(check_executable_opts)s``, The value of the :attr:`~reframe.core.pipeline.RegressionTest.executable_opts` attribute.
       ``%(check_extra_resources)s``, The value of the :attr:`~reframe.core.pipeline.RegressionTest.extra_resources` attribute.
+      ``%(check_fail_phase)s``, The phase where the test has failed.
       ``%(check_fail_reason)s``, The failure reason if the test has failed.
       ``%(check_hashcode)s``, The unique hash associated with this test.
       ``%(check_info)s``, Various information about this test; essentially the return value of the test's :func:`~reframe.core.pipeline.RegressionTest.info` function.
@@ -1219,7 +1220,7 @@ All logging handlers share the following set of common attributes:
    The ``%(check_#ALL)s`` special specifier is added.
 
 .. versionadded:: 4.7
-   The ``%(check_fail_reason)s`` specifier is added.
+   The ``%(check_fail_phase)s`` and ``%(check_fail_reason)s`` specifiers are added.
 
 
 .. py:attribute:: logging.handlers.format_perfvars

reframe/core/logging.py

@@ -866,8 +866,13 @@ def log_performance(self, level, task, msg=None, multiline=False):
         self.extra['check_partition'] = part.name
         self.extra['check_environ'] = env.name
         self.extra['check_result'] = task.result
-        fail_reason = what(*task.exc_info) if not task.succeeded else None
-        self.extra['check_fail_reason'] = fail_reason
+        if not task.succeeded:
+            self.extra['check_fail_phase']  = task.failed_stage
+            self.extra['check_fail_reason'] = what(*task.exc_info)
+        else:
+            self.extra['check_fail_phase']  = None
+            self.extra['check_fail_reason'] = None
+
         if msg is None:
             msg = 'sent by ' + self.extra['osuser']