Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) #!/bin/sh
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) # SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) usage() {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) 	echo "Dump boot-time tracing bootconfig from ftrace"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) 	echo "Usage: $0 [--debug] [ > BOOTCONFIG-FILE]"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 	exit 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) DEBUG=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) while [ x"$1" != x ]; do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 	case "$1" in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 	"--debug")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 		DEBUG=$1;;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) 	-*)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 		usage
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 		;;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 	esac
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 	shift 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) if [ x"$DEBUG" != x ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	set -x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) TRACEFS=`grep -m 1 -w tracefs /proc/mounts | cut -f 2 -d " "`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) if [ -z "$TRACEFS" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	if ! grep -wq debugfs /proc/mounts; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 		echo "Error: No tracefs/debugfs was mounted."
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 		exit 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	TRACEFS=`grep -m 1 -w debugfs /proc/mounts | cut -f 2 -d " "`/tracing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	if [ ! -d $TRACEFS ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 		echo "Error: ftrace is not enabled on this kernel." 1>&2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 		exit 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) ######## main #########
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) set -e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) emit_kv() { # key =|+= value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	echo "$@"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) global_options() {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	val=`cat $TRACEFS/max_graph_depth`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	[ $val != 0 ] && emit_kv kernel.fgraph_max_depth = $val
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	if grep -qv "^#" $TRACEFS/set_graph_function $TRACEFS/set_graph_notrace ; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		cat 1>&2 << EOF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) # WARN: kernel.fgraph_filters and kernel.fgraph_notrace are not supported, since the wild card expression was expanded and lost from memory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) EOF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) kprobe_event_options() {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	cat $TRACEFS/kprobe_events | while read p args; do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		case $p in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		r*)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		cat 1>&2 << EOF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) # WARN: A return probe found but it is not supported by bootconfig. Skip it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) EOF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		continue;;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		esac
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 		p=${p#*:}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 		event=${p#*/}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		group=${p%/*}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 		if [ $group != "kprobes" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 			cat 1>&2 << EOF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) # WARN: kprobes group name $group is changed to "kprobes" for bootconfig.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) EOF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 		fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		emit_kv $PREFIX.event.kprobes.$event.probes += $args
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) synth_event_options() {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	cat $TRACEFS/synthetic_events | while read event fields; do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		emit_kv $PREFIX.event.synthetic.$event.fields = `echo $fields | sed "s/;/,/g"`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) # Variables resolver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) DEFINED_VARS=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) UNRESOLVED_EVENTS=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) defined_vars() { # event-dir
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	grep "^hist" $1/trigger | grep -o ':[a-zA-Z0-9]*='
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) referred_vars() {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	grep "^hist" $1/trigger | grep -o '$[a-zA-Z0-9]*'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) per_event_options() { # event-dir
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	evdir=$1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	# Check the special event which has no filter and no trigger
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	[ ! -f $evdir/filter ] && return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	if grep -q "^hist:" $evdir/trigger; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		# hist action can refer the undefined variables
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 		__vars=`defined_vars $evdir`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		for v in `referred_vars $evdir`; do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 			if echo $DEFINED_VARS $__vars | grep -vqw ${v#$}; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 				# $v is not defined yet, defer it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 				UNRESOLVED_EVENTS="$UNRESOLVED_EVENTS $evdir"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 				return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 			fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 		DEFINED_VARS="$DEFINED_VARS "`defined_vars $evdir`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	grep -v "^#" $evdir/trigger | while read action active; do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		emit_kv $PREFIX.event.$group.$event.actions += \'$action\'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	# enable is not checked; this is done by set_event in the instance.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	val=`cat $evdir/filter`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	if [ "$val" != "none" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		emit_kv $PREFIX.event.$group.$event.filter = "$val"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) retry_unresolved() {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	unresolved=$UNRESOLVED_EVENTS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	UNRESOLVED_EVENTS=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	for evdir in $unresolved; do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		event=${evdir##*/}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 		group=${evdir%/*}; group=${group##*/}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		per_event_options $evdir
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) event_options() {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	# PREFIX and INSTANCE must be set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	if [ $PREFIX = "ftrace" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		# define the dynamic events
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 		kprobe_event_options
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		synth_event_options
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	for group in `ls $INSTANCE/events/` ; do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		[ ! -d $INSTANCE/events/$group ] && continue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		for event in `ls $INSTANCE/events/$group/` ;do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 			[ ! -d $INSTANCE/events/$group/$event ] && continue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 			per_event_options $INSTANCE/events/$group/$event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 		done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	retry=0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	while [ $retry -lt 3 ]; do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		retry_unresolved
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		retry=$((retry + 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	if [ "$UNRESOLVED_EVENTS" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		cat 1>&2 << EOF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) ! ERROR: hist triggers in $UNRESOLVED_EVENTS use some undefined variables.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) EOF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) is_default_trace_option() { # option
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) grep -qw $1 << EOF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) print-parent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) nosym-offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) nosym-addr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) noverbose
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) noraw
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) nohex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) nobin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) noblock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) trace_printk
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) annotate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) nouserstacktrace
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) nosym-userobj
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) noprintk-msg-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) context-info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) nolatency-format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) record-cmd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) norecord-tgid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) overwrite
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) nodisable_on_free
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) irq-info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) markers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) noevent-fork
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) nopause-on-trace
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) function-trace
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) nofunction-fork
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) nodisplay-graph
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) nostacktrace
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) notest_nop_accept
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) notest_nop_refuse
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) EOF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) instance_options() { # [instance-name]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	if [ $# -eq 0 ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		PREFIX="ftrace"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		INSTANCE=$TRACEFS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		PREFIX="ftrace.instance.$1"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		INSTANCE=$TRACEFS/instances/$1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	val=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	for i in `cat $INSTANCE/trace_options`; do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		is_default_trace_option $i && continue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 		val="$val, $i"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	[ "$val" ] && emit_kv $PREFIX.options = "${val#,}"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	val="local"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	for i in `cat $INSTANCE/trace_clock` ; do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 		[ "${i#*]}" ] && continue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 		i=${i%]}; val=${i#[}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	[ $val != "local" ] && emit_kv $PREFIX.trace_clock = $val
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	val=`cat $INSTANCE/buffer_size_kb`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	if echo $val | grep -vq "expanded" ; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 		emit_kv $PREFIX.buffer_size = $val"KB"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	if grep -q "is allocated" $INSTANCE/snapshot ; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		emit_kv $PREFIX.alloc_snapshot
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	val=`cat $INSTANCE/tracing_cpumask`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	if [ `echo $val | sed -e s/f//g`x != x ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		emit_kv $PREFIX.cpumask = $val
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	val=`cat $INSTANCE/tracing_on`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	if [ "$val" = "0" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 		emit_kv $PREFIX.tracing_on = 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	val=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	for i in `cat $INSTANCE/set_event`; do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		val="$val, $i"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	[ "$val" ] && emit_kv $PREFIX.events = "${val#,}"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	val=`cat $INSTANCE/current_tracer`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	[ $val != nop ] && emit_kv $PREFIX.tracer = $val
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	if grep -qv "^#" $INSTANCE/set_ftrace_filter $INSTANCE/set_ftrace_notrace; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 		cat 1>&2 << EOF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) # WARN: kernel.ftrace.filters and kernel.ftrace.notrace are not supported, since the wild card expression was expanded and lost from memory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) EOF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	event_options
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) global_options
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) instance_options
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) for i in `ls $TRACEFS/instances` ; do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	instance_options $i
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) done