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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2021-08-10 04:07:58 +0200 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-08-16 17:37:23 +0200 |
| commit | 1d8365a553a7caeb75246682b0901ce24a335602 (patch) | |
| tree | a7b972fb93e936d608a868f99fe657a2588f5ef3 /tools/bootconfig | |
| parent | Documentation: tracing: Add histogram syntax to boot-time tracing (diff) | |
| download | linux-1d8365a553a7caeb75246682b0901ce24a335602.tar.xz linux-1d8365a553a7caeb75246682b0901ce24a335602.zip | |
tools/bootconfig: Support per-group/all event enabling option
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@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'tools/bootconfig')
| -rwxr-xr-x | tools/bootconfig/scripts/bconf2ftrace.sh | 13 |
1 files changed, 13 insertions, 0 deletions
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] |