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| author | Sven Schnelle <svens@linux.ibm.com> | 2023-06-29 12:02:19 +0200 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2023-07-24 12:12:22 +0200 |
| commit | 1256e70a082ad855efe351146dfa39207d5e3e70 (patch) | |
| tree | a69c5b676f9373fbf896ba4826e165bdc9d99448 /arch/s390/Kconfig | |
| parent | 3325b4d85799957aa53514e69bed5c9df7771caf (diff) | |
| download | lwn-1256e70a082ad855efe351146dfa39207d5e3e70.tar.gz lwn-1256e70a082ad855efe351146dfa39207d5e3e70.zip | |
s390/ftrace: enable HAVE_FUNCTION_GRAPH_RETVAL
Add support for tracing return values in the function graph tracer.
This requires return_to_handler() to record gpr2 and the frame pointer
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index ea0e8f34eb0d..c5be7199067b 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -174,6 +174,7 @@ config S390 select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_ARG_ACCESS_API select HAVE_FUNCTION_ERROR_INJECTION + select HAVE_FUNCTION_GRAPH_RETVAL select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_TRACER select HAVE_GCC_PLUGINS |