// This is an example. Read more details in ../EXTENSION.md usdt:$MMTK:mmtk_openjdk:hello { if (@enable_print) { printf("hello,i,%d,%lu,%lu\n", tid, nsecs, arg0); } } usdt:$MMTK:mmtk_openjdk:hello2 { printf("hello2,meta,%d,%lu,%lu\n", tid, nsecs, arg0); } usdt:$MMTK:mmtk_openjdk:hello3 { if (@enable_print) { printf("hello3,meta,%d,%lu,%lu\n", tid, nsecs, arg0); } }