From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta1.migadu.com (out-164.mta1.migadu.com [95.215.58.164]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C8935331ED0 for ; Sat, 10 Oct 2026 12:17:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.164 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791634660; cv=none; b=mdTinEW+dcVI2HJ44pf6AZ+9syNsPEs32fJWdmZg48kZ6o2edwiCVVAxpJgbfCvwnAzpcGG8xiR35lbUd1kXT2B0BguJfSp2IHn799BcN3XbbVG8D92/6v7RnYkfHy0W17U1D/ya+tvP2wa/R5Gc2Yl+SxhEWLHrzrEHYcCcPQg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791634660; c=relaxed/simple; bh=/oC5LqvhCIZWoE13YlrWBvbYvUdEQxoB6HLEhcwuDqo=; h=MIME-Version:Date:Content-Type:From:Message-ID:Subject:To:Cc: In-Reply-To:References; b=ccaCiT6jkGiabUl2TTdf9eYDs/hCt+s4bFTT3GKtN/SLvECbO4QnltBKgoKGrXY201QBN/OjtRB5EzAcPSZ63mIOk8ifTRRw/jZ/1i8PiU0QLUDo6djpAIGca9g7DRn3LdZt2jRcWy6JYMpz4IR+hVYEAw+dOqJFcRSM7xF/0hM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=t2+nxAc8; arc=none smtp.client-ip=95.215.58.164 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="t2+nxAc8" X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=/oC5LqvhCIZWoE13YlrWBvbYvUdEQxoB6HLEhcwuDqo=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1791634655; v=1; x=1792239455; b=t2+nxAc8HwGfwSfMb3KLOB2GvhA8rtvxhQvSLPl9v87A7yHgrE2oRfE+UTKGSMiNIH8ApgI3 a7KI10WnGMjlLO7J+6WvEW69ttVIH9J53U4gmWUCQCJnwgBKvXhQo9xV8+pIOZpEMeB2zGIcgo2 7+gDpe/tzdln+JOvFoam8c1M= X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id cabab91e30cf1091; Sat, 10 Oct 2026 12:17:35 +0000 X-Mizu-Trace-ID: cabab91e30cf1091 X-Migadu-Flow: FLOW_OUT Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Sat, 10 Oct 2026 12:17:31 +0000 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: "Zqiang" Message-ID: <88e9dca361959a297f854200cba0c5c80d26877a@linux.dev> TLS-Required: No Subject: Re: [PATCH] tools/rcu: Add new APIs to rcu-updaters.sh To: "Joel Fernandes" Cc: paulmck@kernel.org, frederic@kernel.org, neeraj.upadhyay@kernel.org, urezki@gmail.com, boqun@kernel.org, kunwu.chan@gmail.com, rcu@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: References: <20261010083107.15086-1-qiang.zhang@linux.dev> >=20 >=20>=20 >=20> On Oct 10, 2026, at 4:31 AM, Zqiang wrote: > >=20=20 >=20> The following commit introduces some new APIs: > >=20=20 >=20> commit 'dab06d6f9379 ("srcutree: Add an atomic Tree SRCU")' > > commit '8df13f01608e ("rcu: Add full-sized polling for cond_sync_exp= _full()")' > > commit 'd96c52fe4907 (rcu: Add polled expedited grace-period primiti= ves)' > >=20=20 >=20> synchronize_srcu_atomic(), cond_synchronize_rcu_expedited() and > > cond_synchronize_rcu_expedited_full(). > >=20=20 >=20> Sample output when running rcutorture: > >=20=20 >=20> @counts[synchronize_srcu]: 48 > > @counts[synchronize_rcu_expedited]: 74 > > @counts[synchronize_rcu]: 102 > > @counts[poll_state_synchronize_rcu_full]: 443 > > @counts[call_rcu]: 2498 > > @counts[synchronize_srcu_atomic]: 8717 > > @counts[poll_state_synchronize_srcu]: 14849 > >=20=20 >=20> @counts[call_srcu]: 22 > > @counts[synchronize_rcu]: 103 > > @counts[start_poll_synchronize_rcu]: 1093 > > @counts[cond_synchronize_rcu_expedited]: 5339 > > @counts[cond_synchronize_rcu_expedited_full]: 5375 > > @counts[synchronize_rcu_expedited]: 8134 > > @counts[get_state_synchronize_rcu_full]: 17248 > > @counts[get_state_synchronize_rcu]: 17266 > > @counts[call_rcu]: 119168 > >=20=20 >=20> This commit therefore add thems to rcu-updaters.sh script. > >=20=20 >=20> Signed-off-by: Zqiang > > --- > >=20 >=20Nice, Thanks!, Could you update the documentation too and include in = this series? Hi, Joel I have already send patch for the Doc API update separately. Thanks Zqiang >=20 >=20>=20 >=20> tools/rcu/rcu-updaters.sh | 3 +++ > > 1 file changed, 3 insertions(+) > >=20=20 >=20> diff --git a/tools/rcu/rcu-updaters.sh b/tools/rcu/rcu-updaters.sh > > index 8a5df3f22550..a0f03a144f6a 100755 > > --- a/tools/rcu/rcu-updaters.sh > > +++ b/tools/rcu/rcu-updaters.sh > > @@ -34,6 +34,7 @@ bpftrace -e 'kprobe:kvfree_call_rcu, > > kprobe:synchronize_rcu_tasks_trace, > > kprobe:synchronize_srcu, > > kprobe:synchronize_srcu_expedited, > > + kprobe:synchronize_srcu_atomic, > > kprobe:get_state_synchronize_rcu, > > kprobe:get_state_synchronize_rcu_full, > > kprobe:start_poll_synchronize_rcu, > > @@ -44,6 +45,8 @@ bpftrace -e 'kprobe:kvfree_call_rcu, > > kprobe:poll_state_synchronize_rcu_full, > > kprobe:cond_synchronize_rcu, > > kprobe:cond_synchronize_rcu_full, > > + kprobe:cond_synchronize_rcu_expedited, > > + kprobe:cond_synchronize_rcu_expedited_full, > > kprobe:start_poll_synchronize_srcu, > > kprobe:poll_state_synchronize_srcu, > > kprobe:rcu_gp_init > >=20 >=20Ack on this patch. >=20 >=20>=20 >=20> -- > > 2.17.1 > > >