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authorLluís <xscript@gmx.net>2011-08-31 20:31:10 +0200
committerStefan Hajnoczi <stefanha@linux.vnet.ibm.com>2011-09-01 10:34:54 +0100
commit49926043c1319ce99481d45c87c602c20b9dbb79 (patch)
tree682c6ff3d9fe16a9ebe4a0e5d0d5ac743746fa16 /scripts
parente4858974ec36afd8a6b3a9e2b0ad8f357f28efc7 (diff)
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trace: generalize the "property" concept in the trace-events file
This adds/modifies the following functions: * get_name: Get _only_ the event name * has_property: Return whether an event has a property (keyword before the event name) Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/tracetool73
1 files changed, 33 insertions, 40 deletions
diff --git a/scripts/tracetool b/scripts/tracetool
index 9ed4fae..e649a5b 100755
--- a/scripts/tracetool
+++ b/scripts/tracetool
@@ -43,7 +43,26 @@ EOF
# Get the name of a trace event
get_name()
{
- echo ${1%%\(*}
+ local name
+ name=${1%%\(*}
+ echo "${name##* }"
+}
+
+# Get the given property of a trace event
+# 1: trace-events line
+# 2: property name
+# -> return 0 if property is present, or 1 otherwise
+has_property()
+{
+ local props prop
+ props=${1%%\(*}
+ props=${props% *}
+ for prop in $props; do
+ if [ "$prop" = "$2" ]; then
+ return 0
+ fi
+ done
+ return 1
}
# Get the argument list of a trace event, including types and names
@@ -101,20 +120,6 @@ get_fmt()
echo "$fmt"
}
-# Get the state of a trace event
-get_state()
-{
- local str disable state
- str=$(get_name "$1")
- disable=${str##disable }
- if [ "$disable" = "$str" ] ; then
- state=1
- else
- state=0
- fi
- echo "$state"
-}
-
linetoh_begin_nop()
{
return
@@ -174,14 +179,10 @@ cast_args_to_uint64_t()
linetoh_simple()
{
- local name args argc trace_args state
+ local name args argc trace_args
name=$(get_name "$1")
args=$(get_args "$1")
argc=$(get_argc "$1")
- state=$(get_state "$1")
- if [ "$state" = "0" ]; then
- name=${name##disable }
- fi
trace_args="$simple_event_num"
if [ "$argc" -gt 0 ]
@@ -222,9 +223,10 @@ linetoc_simple()
{
local name state
name=$(get_name "$1")
- state=$(get_state "$1")
- if [ "$state" = "0" ] ; then
- name=${name##disable }
+ if has_property "$1" "disable"; then
+ state="0"
+ else
+ state="1"
fi
cat <<EOF
{.tp_name = "$name", .state=$state},
@@ -379,14 +381,10 @@ EOF
linetoh_dtrace()
{
- local name args argnames state nameupper
+ local name args argnames nameupper
name=$(get_name "$1")
args=$(get_args "$1")
argnames=$(get_argnames "$1", ",")
- state=$(get_state "$1")
- if [ "$state" = "0" ] ; then
- name=${name##disable }
- fi
nameupper=`echo $name | tr '[:lower:]' '[:upper:]'`
@@ -430,13 +428,9 @@ EOF
linetod_dtrace()
{
- local name args state
+ local name args
name=$(get_name "$1")
args=$(get_args "$1")
- state=$(get_state "$1")
- if [ "$state" = "0" ] ; then
- name=${name##disable }
- fi
# DTrace provider syntax expects foo() for empty
# params, not foo(void)
@@ -464,14 +458,10 @@ linetostap_begin_dtrace()
linetostap_dtrace()
{
- local i arg name args arglist state
+ local i arg name args arglist
name=$(get_name "$1")
args=$(get_args "$1")
arglist=$(get_argnames "$1", "")
- state=$(get_state "$1")
- if [ "$state" = "0" ] ; then
- name=${name##disable }
- fi
# Define prototype for probe arguments
cat <<EOF
@@ -517,9 +507,12 @@ convert()
test -z "${str%%#*}" && continue
# Process the line. The nop backend handles disabled lines.
- disable=${str%%disable *}
+ disable="0"
+ if has_property "$str" "disable"; then
+ disable="1"
+ fi
echo
- if test -z "$disable"; then
+ if [ "$disable" = "1" ]; then
# Pass the disabled state as an arg for the simple
# or DTrace backends which handle it dynamically.
# For all other backends, call lineto$1_nop()