1DTrace HotSpot probes samples
2=============================
3
4This directory contains the list of D scripts which could be used to trace
5Java application with help of Solaris(tm) 10 Dynamic Tracing (DTrace)
6probes.
7
8The directory is organized as:
9
10* helpers/
11
12  This directory contains the auxiliary script to launch Java application
13  with D script to debug. See more comments in the scripts.
14
15* hotspot/
16
17  This directory contains D scripts which demonstrate usage of 'hotspot'
18  provider probes.
19
20
21* hotspot_jni/
22
23  This directory contains D scripts which demonstrate usage of 'hotspot_jni'
24  provider probes.
25
26
27
28Requirements to run DTrace
29==========================
30
311. dtrace framework should be installed; (check if /usr/sbin/dtrace exists)
32
332. the user should have the following rights:
34   dtrace_proc, dtrace_user, dtrace_kernel
35
36    To give a user a privilege on login, insert a line into the
37    /etc/user_attr file of the form:
38    user-name::::defaultpriv=basic,dtrace_proc,dtrace_user,dtrace_kernel
39
40    or
41
42    To give a running process an DTrace privilege, use the ppriv(1) command:
43    # ppriv -s A+privilege process-ID
44