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From: Masami Hiramatsu <mhiramat@kernel.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, Tom Zanussi <zanussi@kernel.org>,
	Masami Hiramatsu <mhiramat@kernel.org>
Subject: [PATCH v4 07/10] tools/bootconfig: Support per-group/all event enabling option
Date: Tue, 10 Aug 2021 11:07:58 +0900	[thread overview]
Message-ID: <162856127850.203126.16694505101982548237.stgit@devnote2> (raw)
In-Reply-To: <162856122550.203126.17607127017097781682.stgit@devnote2>

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
 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]


  parent reply	other threads:[~2021-08-10  2:08 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-10  2:07 [PATCH v4 00/10] tracing/boot: Add histogram syntax support in boot-time tracing Masami Hiramatsu
2021-08-10  2:07 ` [PATCH v4 01/10] tracing/boot: Fix a hist trigger dependency for boot time tracing Masami Hiramatsu
2021-08-10  2:07 ` [PATCH v4 02/10] tracing/boot: Add per-event histogram action options Masami Hiramatsu
2021-08-10  2:07 ` [PATCH v4 03/10] tracing/boot: Support multiple handlers for per-event histogram Masami Hiramatsu
2021-08-10  2:07 ` [PATCH v4 04/10] tracing/boot: Support multiple histograms for each event Masami Hiramatsu
2021-08-10  2:07 ` [PATCH v4 05/10] tracing/boot: Show correct histogram error command Masami Hiramatsu
2021-08-10  2:07 ` [PATCH v4 06/10] Documentation: tracing: Add histogram syntax to boot-time tracing Masami Hiramatsu
2021-08-10  2:07 ` Masami Hiramatsu [this message]
2021-08-14  3:31   ` [PATCH v4 07/10] tools/bootconfig: Support per-group/all event enabling option Masami Hiramatsu
2021-08-16 15:39     ` Steven Rostedt
2021-08-10  2:08 ` [PATCH v4 08/10] tools/bootconfig: Add histogram syntax support to bconf2ftrace.sh Masami Hiramatsu
2021-08-10  2:08 ` [PATCH v4 09/10] tools/bootconfig: Use per-group/all enable option in ftrace2bconf script Masami Hiramatsu
2021-08-10  2:08 ` [PATCH v4 10/10] bootconfig/tracing/ktest: Update ktest example for boot-time tracing Masami Hiramatsu

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