X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=sidebyside;f=README;fp=README;h=390a719b93083e819c21cdd4866f831053ba2d9a;hb=13fb2d2c14d49d2e5457df7b5f02e99e979464c3;hp=55c72df72cf43b05b06605907a5e36941a2da2fa;hpb=34a91bdb42a2a3b01b687ab5e1ba7638401e6dfc;p=lttng-ust.git diff --git a/README b/README index 55c72df7..390a719b 100644 --- a/README +++ b/README @@ -75,7 +75,7 @@ USAGE: - Include the tracepoint provider header into all C files using the provider. - Example: - tests/hello/ hello.c tp.c ust_tests_hello.h Makefile.example.* + - tests/hello/ hello.c tp.c ust_tests_hello.h Makefile.example.* 2) Compile the Tracepoint Provider separately from the application, using dynamic linking: @@ -97,6 +97,10 @@ USAGE: - Enable instrumentation and control tracing with the "lttng" command from lttng-tools. See lttng-tools doc/quickstart.txt. + - Note about dlclose() usage: it is not safe to use dlclose on a + provider shared object that is being actively used for tracing due + to a lack of reference counting from lttng-ust to the used shared + object. ENVIRONMENT VARIABLES: