[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v2 for-next 0/9] LLVM coverage support for Xen
Hello, The following patch series enables LLVM coverage support for the Xen hypervisor. This first patches are a re-organization of the gcov support, in order to make the support generic for all coverage technologies. This is mostly a name change from gcov -> cov in several places and files, together with the addition of a Kconfig option in order to enable LLVM coverage. Patch 7 introduces the actual LLVM coverage support code that allows fetching the coverage data from Xen. Finally patch 9 adds the documentation on how to use this feature. A sample coverage report obtained after booting a PVHv2 Dom0 can be found at: http://xenbits.xen.org/people/royger/xen_profile/ Thanks, Roger. Roger Pau Monne (9): kconfig/gcov: remove gcc version choice from kconfig gcov: rename folder and header to coverage gcov: rename sysctl and functions gcov: introduce hooks for the sysctl coverage: introduce generic file kconfig/gcov: rename to coverage coverage: introduce support for llvm profiling xsm: add bodge when compiling with llvm coverage support coverage: add documentation for LLVM coverage docs/misc/coverage.markdown | 49 +++++++++- tools/misc/xencov.c | 28 +++--- xen/Kconfig.debug | 53 +--------- xen/Rules.mk | 6 +- xen/common/Makefile | 2 +- xen/common/coverage/Makefile | 11 +++ xen/common/coverage/coverage.c | 73 ++++++++++++++ xen/common/coverage/coverage.h | 13 +++ xen/common/{gcov => coverage}/gcc_3_4.c | 0 xen/common/{gcov => coverage}/gcc_4_7.c | 0 xen/common/{gcov => coverage}/gcc_4_9.c | 0 xen/common/{gcov => coverage}/gcc_5.c | 0 xen/common/{gcov => coverage}/gcc_7.c | 0 xen/common/{gcov => coverage}/gcov.c | 42 ++------ xen/common/{gcov => coverage}/gcov.h | 0 xen/common/{gcov => coverage}/gcov_base.c | 0 xen/common/coverage/llvm.c | 154 ++++++++++++++++++++++++++++++ xen/common/gcov/Makefile | 11 --- xen/common/sysctl.c | 8 +- xen/include/public/sysctl.h | 18 ++-- xen/include/xen/coverage.h | 14 +++ xen/include/xen/gcov.h | 9 -- xen/include/xsm/dummy.h | 14 +++ 23 files changed, 371 insertions(+), 134 deletions(-) create mode 100644 xen/common/coverage/Makefile create mode 100644 xen/common/coverage/coverage.c create mode 100644 xen/common/coverage/coverage.h rename xen/common/{gcov => coverage}/gcc_3_4.c (100%) rename xen/common/{gcov => coverage}/gcc_4_7.c (100%) rename xen/common/{gcov => coverage}/gcc_4_9.c (100%) rename xen/common/{gcov => coverage}/gcc_5.c (100%) rename xen/common/{gcov => coverage}/gcc_7.c (100%) rename xen/common/{gcov => coverage}/gcov.c (89%) rename xen/common/{gcov => coverage}/gcov.h (100%) rename xen/common/{gcov => coverage}/gcov_base.c (100%) create mode 100644 xen/common/coverage/llvm.c delete mode 100644 xen/common/gcov/Makefile create mode 100644 xen/include/xen/coverage.h delete mode 100644 xen/include/xen/gcov.h -- 2.13.6 (Apple Git-96) _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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