Revision 7e24e92a tracetool
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usage() |
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{
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cat >&2 <<EOF |
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usage: $0 [--nop | --simple] [-h | -c] |
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usage: $0 [--nop | --simple | --ust] [-h | -c]
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Generate tracing code for a file on stdin. |
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Backends: |
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--nop Tracing disabled |
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--simple Simple built-in backend |
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--ust LTTng User Space Tracing backend |
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Output formats: |
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-h Generate .h file |
| ... | ... | |
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EOF |
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} |
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# Clean up after UST headers which pollute the namespace |
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ust_clean_namespace() {
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cat <<EOF |
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#undef mutex_lock |
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#undef mutex_unlock |
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#undef inline |
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#undef wmb |
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EOF |
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} |
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linetoh_begin_ust() |
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{
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echo "#include <ust/tracepoint.h>" |
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ust_clean_namespace |
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} |
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linetoh_ust() |
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{
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local name args argnames |
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name=$(get_name "$1") |
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args=$(get_args "$1") |
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argnames=$(get_argnames "$1") |
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cat <<EOF |
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DECLARE_TRACE(ust_$name, TPPROTO($args), TPARGS($argnames)); |
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#define trace_$name trace_ust_$name |
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EOF |
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} |
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linetoh_end_ust() |
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{
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return |
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} |
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linetoc_begin_ust() |
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{
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cat <<EOF |
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#include <ust/marker.h> |
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$(ust_clean_namespace) |
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#include "trace.h" |
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EOF |
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} |
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linetoc_ust() |
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{
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local name args argnames fmt |
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name=$(get_name "$1") |
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args=$(get_args "$1") |
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argnames=$(get_argnames "$1") |
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fmt=$(get_fmt "$1") |
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cat <<EOF |
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DEFINE_TRACE(ust_$name); |
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static void ust_${name}_probe($args)
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{
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trace_mark(ust, $name, "$fmt", $argnames); |
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} |
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EOF |
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# Collect names for later |
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names="$names $name" |
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} |
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linetoc_end_ust() |
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{
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cat <<EOF |
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static void __attribute__((constructor)) trace_init(void) |
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{
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EOF |
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for name in $names; do |
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cat <<EOF |
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register_trace_ust_$name(ust_${name}_probe);
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EOF |
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done |
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echo "}" |
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} |
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# Process stdin by calling begin, line, and end functions for the backend |
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convert() |
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{
|
| ... | ... | |
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# Choose backend |
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case "$1" in |
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"--nop" | "--simple") backend="${1#--}" ;;
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"--nop" | "--simple" | "--ust") backend="${1#--}" ;;
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*) usage ;; |
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esac |
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shift |
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