1 .TH j_cputime.d 1m "$Date:: 2007-10-03 #$" "USER COMMANDS"
3 j_cputime.d - measure Java on-CPU times for different types of operation.
8 This traces activity from all Java processes on the system with hotspot
9 provider support (1.6.0). Method calls are only visible when using the
10 flag "+ExtendedDTraceProbes". eg, java -XX:+ExtendedDTraceProbes classfile
12 The "top" optional argument will truncate the output for each report
13 section to that many lines, with a default of 10.
17 Evolving - uses the DTrace hotspot provider, which may change
18 as additional features are introduced. Check Java/Readme
19 to see what version these scripts are based on.
32 Type of call (method/gc/total)
38 Total on-CPU time for calls (us)
41 See the DTraceToolkit for further documentation under the
42 Examples, Notes and Docs directories. The example files may be
43 especially useful as they aim to demonstrate how to interpret
46 j_cputime.d will run until Ctrl-C is hit.