diff options
Diffstat (limited to 'stapprobes.5.in')
| -rw-r--r-- | stapprobes.5.in | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/stapprobes.5.in b/stapprobes.5.in index 5281c40e..36b36156 100644 --- a/stapprobes.5.in +++ b/stapprobes.5.in @@ -421,12 +421,20 @@ probe gets called when a thread described by PID or PATH dies. A .B .syscall probe gets called when a thread described by PID or PATH makes a -system call. The system call number is available in the "$syscall" -context variable. +system call. The system call number is available in the +.BR $syscall +context variable, and the first 6 arguments of the system call +are available in the +.BR $argN +(ex. $arg1, $arg2, ...) context variable. A .B .syscall.return probe gets called when a thread described by PID or PATH returns from a -system call. The system call number is available in the "$syscall" +system call. The system call number is available in the +.BR $syscall +context variable, and the return value of the system call is available +in the +.BR $return context variable. A .B .itrace @@ -520,6 +528,8 @@ and string parameters are passed in a type-safe manner. The marker format string associated with a marker is available in .BR $format . +And also the marker name string is avalable in +.BR $name . .SS PERFORMANCE MONITORING HARDWARE |