From abc989069a0fef5c18cbbc7615728f729e97aeb3 Mon Sep 17 00:00:00 2001
From: Dominic Kempf <dominic.kempf@iwr.uni-heidelberg.de>
Date: Wed, 6 Feb 2019 13:23:57 +0100
Subject: [PATCH] [cmake] Allow wrapping a statistic profiler around the code
generation tool chain
Enable with the cmake variable DUNE_CODEGEN_PROFILING. For each generated header,
a profile is written out. These can be visualized with tools like snakeviz.
---
cmake/modules/DuneCodegenMacros.cmake | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/cmake/modules/DuneCodegenMacros.cmake b/cmake/modules/DuneCodegenMacros.cmake
index 69de840c..6a02c016 100644
--- a/cmake/modules/DuneCodegenMacros.cmake
+++ b/cmake/modules/DuneCodegenMacros.cmake
@@ -71,6 +71,13 @@
# Regeneration is triggered correctly if the UFL file or the
# form compiler changed.
#
+# .. cmake_variable:: DUNE_CODEGEN_PROFILING
+#
+# Set this variable from your opts file to enable statistic profiling of
+# the code generation process. This usually introduces additional cost.
+# A cProfile file for post processing will be written whenever the code
+# generator is run.
+#
add_custom_target(generation)
@@ -163,11 +170,25 @@ function(add_generated_executable)
)
parse_python_data(PREFIX depdata INPUT ${depdata})
+ if(DUNE_CODEGEN_PROFILING)
+ # This is a bit silly, but cProfile only finds entry point scripts
+ # if their full path is provided. So we resort to using which.
+ dune_execute_process(COMMAND which generate_operators
+ OUTPUT_VARIABLE fullcommand
+ OUTPUT_STRIP_TRAILING_WHITESPACE
+ )
+ endif()
+
# Define build rules for all operator header files and gather a list of them
set(header_deps)
foreach(op ${depdata___operators})
+ set(GENERATION_COMMAND generate_operators)
+ if(DUNE_CODEGEN_PROFILING)
+ set(GENERATION_COMMAND python -m cProfile -o ${depdata___${op}}.prof ${fullcommand})
+ endif()
+
add_custom_command(OUTPUT ${depdata___${op}}
- COMMAND ${CMAKE_BINARY_DIR}/run-in-dune-env generate_operators
+ COMMAND ${CMAKE_BINARY_DIR}/run-in-dune-env ${GENERATION_COMMAND}
--project-basedir ${CMAKE_BINARY_DIR}
${GEN_FORM_COMPILER_ARGS}
--uflfile ${GEN_UFLFILE}
--
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