X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=ltt-usertrace%2FREADME;h=7e61df23b0bdb00389855fedb20e303f501be3ff;hb=98d7814fdfbdbb83cc57d6d3ed758f8b8b86d244;hp=8bdd8d2e9033e13d3657446f1e42e67f08a21c41;hpb=50bb790b4ac71c28ce342ad75419d621759aa71b;p=lttv.git

diff --git a/ltt-usertrace/README b/ltt-usertrace/README
index 8bdd8d2e..7e61df23 100644
--- a/ltt-usertrace/README
+++ b/ltt-usertrace/README
@@ -27,10 +27,18 @@ gzip -cd ltt-usertrace-x.x.tar.gz | tar xvof -
 
 * Build the sample programs and install the headers and librairies into your
 system :
+(32 bits)
 su
 cd /usr/src/ltt-usertrace
+make clean
+make install (will build and install headers and libraries)
 make
-make install
+(64 bits)
+su
+cd /usr/src/ltt-usertrace
+make clean
+LIB_DIR=/usr/lib64 make install CFLAGS=-m64
+make CFLAGS=-m64
 
 Feel free to look at the sample programs and the Makefile : they demonstrate
 very well the features of the usertrace package and how to use them.
@@ -241,3 +249,12 @@ test_function
 The lookup in LTTV through libbfd has not been implemented yet.
 
 
+* Instrumentation of a java program
+
+See the java/ directory of this package. You will have to create a C library
+that holds the tracing functions, following the java-instrument-string.c. It has
+to be called from the Java code as shown in Sample.java.
+
+The generate.sh scripts compiles and executes the Java program with the JNI
+tracing library.
+