linux-kernel - [PATCH 5.16 0208/1039] cgroup: Trace event cgroup id fields should be u64

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Message-Id: <20220124184132.315640037@linuxfoundation.org>
Date:   Mon, 24 Jan 2022 19:33:17 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        William Kucharski <william.kucharski@...cle.com>,
        "Steven Rostedt (VMware)" <rostedt@...dmis.org>,
        Tejun Heo <tj@...nel.org>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.16 0208/1039] cgroup: Trace event cgroup id fields should be u64

From: William Kucharski <william.kucharski@...cle.com>

[ Upstream commit e14da77113bb890d7bf9e5d17031bdd476a7ce5e ]

Various trace event fields that store cgroup IDs were declared as
ints, but cgroup_id(() returns a u64 and the structures and associated
TP_printk() calls were not updated to reflect this.

Fixes: 743210386c03 ("cgroup: use cgrp->kn->id as the cgroup ID")
Signed-off-by: William Kucharski <william.kucharski@...cle.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
Signed-off-by: Tejun Heo <tj@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 include/trace/events/cgroup.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/trace/events/cgroup.h b/include/trace/events/cgroup.h
index 7f42a3de59e6b..dd7d7c9efecdf 100644
--- a/include/trace/events/cgroup.h
+++ b/include/trace/events/cgroup.h
@@ -59,8 +59,8 @@ DECLARE_EVENT_CLASS(cgroup,
 
 	TP_STRUCT__entry(
 		__field(	int,		root			)
-		__field(	int,		id			)
 		__field(	int,		level			)
+		__field(	u64,		id			)
 		__string(	path,		path			)
 	),
 
@@ -71,7 +71,7 @@ DECLARE_EVENT_CLASS(cgroup,
 		__assign_str(path, path);
 	),
 
-	TP_printk("root=%d id=%d level=%d path=%s",
+	TP_printk("root=%d id=%llu level=%d path=%s",
 		  __entry->root, __entry->id, __entry->level, __get_str(path))
 );
 
@@ -126,8 +126,8 @@ DECLARE_EVENT_CLASS(cgroup_migrate,
 
 	TP_STRUCT__entry(
 		__field(	int,		dst_root		)
-		__field(	int,		dst_id			)
 		__field(	int,		dst_level		)
+		__field(	u64,		dst_id			)
 		__field(	int,		pid			)
 		__string(	dst_path,	path			)
 		__string(	comm,		task->comm		)
@@ -142,7 +142,7 @@ DECLARE_EVENT_CLASS(cgroup_migrate,
 		__assign_str(comm, task->comm);
 	),
 
-	TP_printk("dst_root=%d dst_id=%d dst_level=%d dst_path=%s pid=%d comm=%s",
+	TP_printk("dst_root=%d dst_id=%llu dst_level=%d dst_path=%s pid=%d comm=%s",
 		  __entry->dst_root, __entry->dst_id, __entry->dst_level,
 		  __get_str(dst_path), __entry->pid, __get_str(comm))
 );
@@ -171,8 +171,8 @@ DECLARE_EVENT_CLASS(cgroup_event,
 
 	TP_STRUCT__entry(
 		__field(	int,		root			)
-		__field(	int,		id			)
 		__field(	int,		level			)
+		__field(	u64,		id			)
 		__string(	path,		path			)
 		__field(	int,		val			)
 	),
@@ -185,7 +185,7 @@ DECLARE_EVENT_CLASS(cgroup_event,
 		__entry->val = val;
 	),
 
-	TP_printk("root=%d id=%d level=%d path=%s val=%d",
+	TP_printk("root=%d id=%llu level=%d path=%s val=%d",
 		  __entry->root, __entry->id, __entry->level, __get_str(path),
 		  __entry->val)
 );
-- 
2.34.1