linux-kernel - [PATCH rcu 05/11] rcu: Trace expedited grace-period numbers in hexadecimal

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Message-Id: <20250219153938.24966-6-boqun.feng@gmail.com>
Date: Wed, 19 Feb 2025 07:39:32 -0800
From: Boqun Feng <boqun.feng@...il.com>
To: rcu@...r.kernel.org
Cc: Jonathan Corbet <corbet@....net>,	Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Frederic Weisbecker <frederic@...nel.org>,
	Neeraj Upadhyay <neeraj.upadhyay@...nel.org>,
	Joel Fernandes <joel@...lfernandes.org>,
	Josh Triplett <josh@...htriplett.org>,	Boqun Feng <boqun.feng@...il.com>,
	Uladzislau Rezki <urezki@...il.com>,
	Lai Jiangshan <jiangshanlai@...il.com>,
	Zqiang <qiang.zhang1211@...il.com>,	Davidlohr Bueso <dave@...olabs.net>,
	Shuah Khan <shuah@...nel.org>,	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Huth <thuth@...hat.com>,	"Borislav Petkov (AMD)" <bp@...en8.de>,
	Ard Biesheuvel <ardb@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Josh Poimboeuf <jpoimboe@...nel.org>,	Yury Norov <yury.norov@...il.com>,
	Valentin Schneider <vschneid@...hat.com>,	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,	linux-trace-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org
Subject: [PATCH rcu 05/11] rcu: Trace expedited grace-period numbers in hexadecimal

From: "Paul E. McKenney" <paulmck@...nel.org>

This commit reformats the expedited grace-period numbers into hexadecimal
for easier decoding and comparison.  The normal grace-period numbers
remain in decimal for the time being.

Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
Signed-off-by: Boqun Feng <boqun.feng@...il.com>
---
 include/trace/events/rcu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index e81431deaa50..63fd8aa99af7 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -207,7 +207,7 @@ TRACE_EVENT_RCU(rcu_exp_grace_period,
 		__entry->gpevent = gpevent;
 	),
 
-	TP_printk("%s %ld %s",
+	TP_printk("%s %#lx %s",
 		  __entry->rcuname, __entry->gpseq, __entry->gpevent)
 );
 
-- 
2.39.5 (Apple Git-154)