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tools/bootconfig: Use per-group/all enable option in ftrace2bconf script
Use per-group/all enable option instead of ftrace.events option. This will make the bootconfig file more readable. Link: https://lkml.kernel.org/r/162856129436.203126.12462564671412940618.stgit@devnote2 Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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@ -92,6 +92,10 @@ referred_vars() {
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grep "^hist" $1/trigger | grep -o '$[a-zA-Z0-9]*'
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}
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event_is_enabled() { # enable-file
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test -f $1 & grep -q "1" $1
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}
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per_event_options() { # event-dir
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evdir=$1
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# Check the special event which has no filter and no trigger
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@ -113,7 +117,9 @@ per_event_options() { # event-dir
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emit_kv $PREFIX.event.$group.$event.actions += \'$action\'
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done
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# enable is not checked; this is done by set_event in the instance.
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if [ $GROUP_ENABLED -eq 0 ] && event_is_enabled $evdir/enable; then
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emit_kv $PREFIX.event.$group.$event.enable
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fi
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val=`cat $evdir/filter`
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if [ "$val" != "none" ]; then
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emit_kv $PREFIX.event.$group.$event.filter = "$val"
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@ -137,8 +143,19 @@ event_options() {
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kprobe_event_options
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synth_event_options
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fi
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ALL_ENABLED=0
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if event_is_enabled $INSTANCE/events/enable; then
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emit_kv $PREFIX.event.enable
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ALL_ENABLED=1
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fi
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for group in `ls $INSTANCE/events/` ; do
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[ ! -d $INSTANCE/events/$group ] && continue
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GROUP_ENABLED=$ALL_ENABLED
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if [ $ALL_ENABLED -eq 0 ] && \
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event_is_enabled $INSTANCE/events/$group/enable ;then
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emit_kv $PREFIX.event.$group.enable
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GROUP_ENABLED=1
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fi
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for event in `ls $INSTANCE/events/$group/` ;do
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[ ! -d $INSTANCE/events/$group/$event ] && continue
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per_event_options $INSTANCE/events/$group/$event
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@ -226,11 +243,6 @@ instance_options() { # [instance-name]
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emit_kv $PREFIX.tracing_on = $val
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fi
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val=
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for i in `cat $INSTANCE/set_event`; do
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val="$val, $i"
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done
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[ "$val" ] && emit_kv $PREFIX.events = "${val#,}"
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val=`cat $INSTANCE/current_tracer`
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[ $val != nop ] && emit_kv $PREFIX.tracer = $val
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if grep -qv "^#" $INSTANCE/set_ftrace_filter $INSTANCE/set_ftrace_notrace; then
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