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# we are in "src/tracing", so create the output dir manually.
# the source files include the tracing headers like
# #include "tracing/oprequest.h". so better put them into
# ${PROJECT_BINARY_DIR}/include, where acconfig.h is also located
set(working_dir ${CMAKE_BINARY_DIR}/include)
set(header_dir ${working_dir}/tracing)
file(MAKE_DIRECTORY ${header_dir})
add_custom_target(tracepoint_libraries)
file(GLOB tps "*.tp")
foreach(tp ${tps})
get_filename_component(name ${tp} NAME_WE)
set(header ${header_dir}/${name}.h)
add_custom_command(
OUTPUT ${header}
COMMAND ${LTTNG_GEN_TP} ${tp} -o tracing/${name}.h
DEPENDS ${tp}
WORKING_DIRECTORY ${working_dir}
COMMENT "generating ${header}")
add_custom_target(
${name}-tp
DEPENDS ${header})
endforeach()
function(add_tracing_library name tracings version)
foreach(tp_file ${tracings})
get_filename_component(tp ${tp_file} NAME_WE)
list(APPEND hdrs
${header_dir}/${tp}.h)
list(APPEND tpfiles ${tp}.c)
endforeach()
add_library(${name} SHARED ${hdrs} ${tpfiles})
target_link_libraries(${name} ${LTTNGUST_LIBRARIES} ${CMAKE_DL_LIBS})
string(REGEX MATCH "^[0-9]+" soversion ${version})
set_target_properties(${name} PROPERTIES
OUTPUT_NAME ${name}
VERSION ${version}
SOVERSION ${soversion}
INSTALL_RPATH "")
add_dependencies(tracepoint_libraries ${name})
endfunction()
set(osd_traces oprequest.tp osd.tp pg.tp)
add_tracing_library(osd_tp "${osd_traces}" 1.0.0)
add_tracing_library(rados_tp librados.tp 2.0.0)
add_tracing_library(os_tp objectstore.tp 1.0.0)
add_tracing_library(rgw_op_tp rgw_op.tp 1.0.0)
add_tracing_library(rgw_rados_tp rgw_rados.tp 1.0.0)
install(TARGETS rados_tp osd_tp os_tp rgw_rados_tp rgw_op_tp DESTINATION ${CMAKE_INSTALL_LIBDIR})
if(WITH_RBD)
add_tracing_library(rbd_tp librbd.tp 1.0.0)
install(TARGETS rbd_tp DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif(WITH_RBD)
if(WITH_OSD_INSTRUMENT_FUNCTIONS)
add_tracing_library(cyg_profile_tp cyg_profile.tp 1.0.0)
install(TARGETS cyg_profile_tp DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
if(WITH_LTTNG AND WITH_EVENTTRACE)
add_tracing_library(eventtrace_tp eventtrace.tp 1.0.0)
install(TARGETS eventtrace_tp DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
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