[for-next][PATCH 14/19] tools/bootconfig: Support per-group/all event enabling option
From: Steven Rostedt
Date: Tue Aug 17 2021 - 15:43:45 EST
From: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Add group or all event enabling syntax support to bconf2ftrace.sh.
User can pass a bootconfig file which includes
ftrace[.instance.INSTANCE].event.enable
and
ftrace[.instance.INSTANCE].event.GROUP.enable
correctly.
Link: https://lkml.kernel.org/r/162856127850.203126.16694505101982548237.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
---
tools/bootconfig/scripts/bconf2ftrace.sh | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/tools/bootconfig/scripts/bconf2ftrace.sh b/tools/bootconfig/scripts/bconf2ftrace.sh
index feb30c2c7881..651049c782c0 100755
--- a/tools/bootconfig/scripts/bconf2ftrace.sh
+++ b/tools/bootconfig/scripts/bconf2ftrace.sh
@@ -101,6 +101,12 @@ setup_event() { # prefix group event [instance]
else
eventdir="$TRACEFS/events/$2/$3"
fi
+ # group enable
+ if [ "$3" = "enable" ]; then
+ run_cmd "echo 1 > ${eventdir}"
+ return
+ fi
+
case $2 in
kprobes)
xbc_get_val ${branch}.probes | while read line; do
@@ -127,6 +133,13 @@ setup_events() { # prefix("ftrace" or "ftrace.instance.INSTANCE") [instance]
setup_event $prefix ${grpev%.*} ${grpev#*.} $2
done
fi
+ if xbc_has_branch ${1}.event.enable; then
+ if [ "$2" ]; then
+ run_cmd "echo 1 > $TRACEFS/instances/$2/events/enable"
+ else
+ run_cmd "echo 1 > $TRACEFS/events/enable"
+ fi
+ fi
}
size2kb() { # size[KB|MB]
--
2.30.2