.TH j_syscalls.d 1m "$Date: 2015/09/30 22:01:09 $" "USER COMMANDS" .SH NAME j_syscalls.d - count Java methods and syscalls using DTrace. .SH SYNOPSIS .B j_syscalls.d { \-p PID | \-c cmd } .SH DESCRIPTION This traces Java methods if the hotspot provider exists (1.6.0) and the flag "+ExtendedDTraceProbes" is used. eg, java -XX:+ExtendedDTraceProbes classfile .SH OS Solaris .SH STABILITY Evolving - uses the DTrace hotspot provider, which may change as additional features are introduced. Check Java/Readme to see what version these scripts are based on. .SH EXAMPLES .TP Default output, # .B j_syscalls.d .PP .SH FIELDS .TP PID Process ID .TP TYPE Type of call (method/syscall) .TP NAME Name of call .TP COUNT Number of calls during sample .PP .SH DOCUMENTATION See the DTraceToolkit for further documentation under the Examples, Notes and Docs directories. The example files may be especially useful as they aim to demonstrate how to interpret the output. .SH EXIT j_syscalls.d will run until Ctrl-C is hit. .SH AUTHOR Brendan Gregg [CA, USA] .SH SEE ALSO dtrace(1M) |