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Diffstat (limited to 'stapprobes.5.in')
| -rw-r--r-- | stapprobes.5.in | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/stapprobes.5.in b/stapprobes.5.in index 642ed739..55fcb3c7 100644 --- a/stapprobes.5.in +++ b/stapprobes.5.in @@ -363,7 +363,10 @@ The next part names the marker itself: .BR mark("name") . The marker name string, which may contain the usual wildcard characters, is matched against the names given to the marker macros when the kernel -and/or module was compiled. +and/or module was compiled. Optionally, you can specify +.BR format("format") . +Specifying the marker format string allows differentation between two +markers with the same name but different marker format strings. The handler associated with a marker-based probe may read the optional parameters specified at the macro call site. These are @@ -372,6 +375,9 @@ named where NN is the number of parameters supplied by the macro. Number and string parameters are passed in a type-safe manner. +The marker format string associated with a marker is available in +.BR $format . + .SS PERFORMANCE MONITORING HARDWARE The perfmon family of probe points is used to access the performance |