From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D0F25C2B9F7 for ; Tue, 25 May 2021 02:42:35 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8D8F2613F5 for ; Tue, 25 May 2021 02:42:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8D8F2613F5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ugc8dcn4JGgViZ/TM3OVLtte739x9sKHHd7HrZd4Ty4=; b=MZBI5bpwRIg2Nc rhJu25Q71HfmgAeWl4ADCrqCrONCv7I9QJ0DN37PAziOXzICFwkgE/8v15fchDZ8RS89w6QeGBLTS I9yfqlaoENOG09o56LeANuK50ZuKen1OOaeETDdr+uES6pi3fRHt6cGu2mvdaBN35D+H3yrETUmW/ hzqrPR0BKwJlVxges5ftRusUGHLfhvv7hqmPptvw1P19FOe/ZBALVlaHYgIn2P2G1MUCxLViwuVv9 rEqLcpgRQIl6BSvCX4u1TQ1Kpu8GYQG37co/32sU31AYSw1sK/1vlaRD9CclpEmNmjTfs0cTNYKUk L43RfBkNKC9HIqs9UO8Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1llMzl-002xmc-J0; Tue, 25 May 2021 02:40:39 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1llIuJ-0025vg-CP for linux-arm-kernel@lists.infradead.org; Mon, 24 May 2021 22:18:44 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 07515613BF; Mon, 24 May 2021 22:18:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1621894722; bh=ffWiERagTcZEV4ms3ZlV8yXc4bcuThcyGLbdb9sfjLw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QpjVEBTcJ6GmF8j8G5FpNJCRs0aIcpRtzJRssqXnp315cpuHjQ/w2zb4aH8JP2GIE earNDJRuiuwmvfTvQpjqMwn6byI5dCjc64DpxRBOlPsct4r+s73rwcfZbtEX5dd/S7 G1G26gfLPQmkbpqjs4upQqCf43m18xg3rRJVV4UhBAJNa3lWCQNovAAY2Lt9b2F3hl qpTRzTj5x3B2GbIpvOXXUBodzNQw6H7nCsorRd+ojQzySSMhk00ZyogtkbxpoguyV7 yopXY9WiZ15yjiGzfVpfyb6+4grGrz852kDeqJgjqU/oG9Hjx/JKzIwnNko+XtZh8m Pltzq5sk9VdyA== From: Will Deacon To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Will Deacon , Frederic Weisbecker , Thomas Gleixner , Marc Zyngier , Lorenzo Colitti , John Stultz , Stephen Boyd , =?UTF-8?q?Mika=20Penttil=C3=A4?= , kernel-team@android.com Subject: [PATCH v2 5/5] timer_list: Print name of per-cpu wakeup device Date: Mon, 24 May 2021 23:18:18 +0100 Message-Id: <20210524221818.15850-6-will@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210524221818.15850-1-will@kernel.org> References: <20210524221818.15850-1-will@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210524_151843_492990_67FA157D X-CRM114-Status: GOOD ( 15.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org With the introduction of per-cpu wakeup devices that can be used in preference to the broadcast timer, print the name of such devices when they are available. Cc: Frederic Weisbecker Cc: Thomas Gleixner Cc: Marc Zyngier Cc: Lorenzo Colitti Cc: John Stultz Cc: Stephen Boyd Signed-off-by: Will Deacon --- kernel/time/tick-broadcast.c | 7 +++++++ kernel/time/tick-internal.h | 1 + kernel/time/timer_list.c | 10 +++++++++- 3 files changed, 17 insertions(+), 1 deletion(-) diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index 9b845212430b..f7fe6fe36173 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -63,6 +63,13 @@ struct cpumask *tick_get_broadcast_mask(void) return tick_broadcast_mask; } +static struct clock_event_device *tick_get_oneshot_wakeup_device(int cpu); + +const struct clock_event_device *tick_get_wakeup_device(int cpu) +{ + return tick_get_oneshot_wakeup_device(cpu); +} + /* * Start the device in periodic mode */ diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h index 30c89639e305..6a742a29e545 100644 --- a/kernel/time/tick-internal.h +++ b/kernel/time/tick-internal.h @@ -71,6 +71,7 @@ extern void tick_set_periodic_handler(struct clock_event_device *dev, int broadc extern int tick_broadcast_update_freq(struct clock_event_device *dev, u32 freq); extern struct tick_device *tick_get_broadcast_device(void); extern struct cpumask *tick_get_broadcast_mask(void); +extern const struct clock_event_device *tick_get_wakeup_device(int cpu); # else /* !CONFIG_GENERIC_CLOCKEVENTS_BROADCAST: */ static inline void tick_install_broadcast_device(struct clock_event_device *dev, int cpu) { } static inline int tick_is_broadcast_device(struct clock_event_device *dev) { return 0; } diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c index 6939140ab7c5..cca611edfd65 100644 --- a/kernel/time/timer_list.c +++ b/kernel/time/timer_list.c @@ -228,6 +228,14 @@ print_tickdevice(struct seq_file *m, struct tick_device *td, int cpu) SEQ_printf(m, " event_handler: %ps\n", dev->event_handler); SEQ_printf(m, "\n"); SEQ_printf(m, " retries: %lu\n", dev->retries); + +#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST + if (cpu >= 0) { + const struct clock_event_device *wd = + tick_get_wakeup_device(cpu); + SEQ_printf(m, "Wakeup Device: %s\n", wd ? wd->name : ""); + } +#endif SEQ_printf(m, "\n"); } @@ -248,7 +256,7 @@ static void timer_list_show_tickdevices_header(struct seq_file *m) static inline void timer_list_header(struct seq_file *m, u64 now) { - SEQ_printf(m, "Timer List Version: v0.8\n"); + SEQ_printf(m, "Timer List Version: v0.9\n"); SEQ_printf(m, "HRTIMER_MAX_CLOCK_BASES: %d\n", HRTIMER_MAX_CLOCK_BASES); SEQ_printf(m, "now at %Ld nsecs\n", (unsigned long long)now); SEQ_printf(m, "\n"); -- 2.31.1.818.g46aad6cb9e-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel