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debug: generate call graph profile data using gprof

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This will generate profile data that can be analyzed using gprof. When
you build the application (currently for native_posix only), after
running the application you will get a file "gmon.out" with the call
graph which can be processed with gprof:

  gprof build/zephyr/zephyr.exe gmon.out > analysis.txt

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif 2022-04-21 10:38:32 -04:00
commit 399a0b4b31
4 changed files with 15 additions and 1 deletions
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2
cmake/compiler/gcc/compiler_flags.cmake
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@ -177,6 +177,8 @@ set_compiler_property(PROPERTY imacros -imacros)
# GCC compiler flags for sanitizing.
set_compiler_property(PROPERTY sanitize_address -fsanitize=address)
set_compiler_property(PROPERTY gprof -pg)
set_compiler_property(PROPERTY sanitize_undefined -fsanitize=undefined)
# GCC compiler flag for turning off thread-safe initialization of local statics