From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.2]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2DDFC1BD9DB for ; Fri, 8 Nov 2024 16:18:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.2 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731082707; cv=none; b=c91PjoTCe81+fZICqBYuAxwK3zyZhCcQ1k7MjJ4W7yXpa1eB1OVA/rzYkAczQ6+AdFUjL9yZjk6mrnKhOlqsycyOvgW8x1maqA+XgfZy0XtlTiq0EbNkGx9RVCVIRLUDQaKIwt1+nYA0lscNma3T4oK4Sfq/CVVdQMgvfi+uu8w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731082707; c=relaxed/simple; bh=QNmAgeKon2UPDE7Frx6OVDX0Ky/uee01pGiLjo4u4is=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=eED8h9AUDGxMV2h1NWpOSKRaqG9gRrGwPr1QfDRdoCV1iJwoQMkh7mbdElhWBpLhFGSb/U8E2vqLhIaa+llSaTb2H8ltm1IU144CNZcoKKUzu4Sp4kXJx/InR5pldSxNLWLIHTk+04bf8nopDCC/BNocNEcMem2an+k3ZrpPLR8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=EqRT1aW9; arc=none smtp.client-ip=117.135.210.2 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="EqRT1aW9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=92qch eUV0dc6p0i85+WrrzuptWSwQKzn7BIaV0kNAAY=; b=EqRT1aW9aa3NPcQoWFPMI tyB0lPhEBb2sAM9vhhDyhHdYMt4MZRtmSodgX8vBK28pk1zs/7gpe11Flyn4ONz7 Oj41hKsCv3ppREWwCzb91AHOem/hvwGDCKQ3jph8P6CrU4kiudwFCH8N3OZbS0DZ G2kECrne5hcZ8Q/ow4FNcU= Received: from localhost.localdomain (unknown [111.35.191.191]) by gzga-smtp-mtada-g0-0 (Coremail) with SMTP id _____wD33+izOS5nkKkeEA--.43507S4; Sat, 09 Nov 2024 00:18:03 +0800 (CST) From: David Wang <00107082@163.com> To: catalin.marinas@arm.com, will@kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, David Wang <00107082@163.com> Subject: [PATCH 07/13] arm64/irq: use seq_put_decimal_ull_width() for decimal values Date: Sat, 9 Nov 2024 00:17:53 +0800 Message-Id: <20241108161753.9760-1-00107082@163.com> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_____wD33+izOS5nkKkeEA--.43507S4 X-Coremail-Antispam: 1Uf129KBjvdXoWrZryfAryftF1rGw4xuryfWFg_yoW3Arb_Kr 92y3W8WrWFyryIvryDCa4ft34vka4UX3sak3WvgFWqyry3Xw45Aa98AFySgws5XrnxKrZ3 X3s3tr1qvr1xKjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sREmii7UUUUU== X-CM-SenderInfo: qqqrilqqysqiywtou0bp/xtbB0hmRqmcuN-cU9QABsZ Performance improvement for reading /proc/interrupts on arch arm64 Signed-off-by: David Wang <00107082@163.com> --- arch/arm64/kernel/smp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 3b3f6b56e733..35734a30ed8d 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -844,7 +844,8 @@ int arch_show_interrupts(struct seq_file *p, int prec) seq_printf(p, "%*s%u:%s", prec - 1, "IPI", i, prec >= 4 ? " " : ""); for_each_online_cpu(cpu) - seq_printf(p, "%10u ", irq_desc_kstat_cpu(ipi_desc[i], cpu)); + seq_put_decimal_ull_width(p, " ", + irq_desc_kstat_cpu(ipi_desc[i], cpu), 10); seq_printf(p, " %s\n", ipi_types[i]); } -- 2.39.2