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=-8.5 required=3.0 tests=FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham 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 A7ACAC43387 for ; Sun, 30 Dec 2018 13:02:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8327520815 for ; Sun, 30 Dec 2018 13:02:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726090AbeL3NCC (ORCPT ); Sun, 30 Dec 2018 08:02:02 -0500 Received: from mout.gmx.net ([212.227.17.22]:40457 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725914AbeL3NCC (ORCPT ); Sun, 30 Dec 2018 08:02:02 -0500 Received: from ls3530.dellerweb.de ([92.116.187.119]) by mail.gmx.com (mrgmx102 [212.227.17.168]) with ESMTPSA (Nemesis) id 0LhkiL-1h8Zpw1kX3-00mtHI; Sun, 30 Dec 2018 14:01:53 +0100 Date: Sun, 30 Dec 2018 14:01:49 +0100 From: Helge Deller To: linux-parisc@vger.kernel.org, James Bottomley , John David Anglin Subject: [PATCH] parisc: Count IPI function calls Message-ID: <20181230130149.GA24375@ls3530.dellerweb.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) X-Provags-ID: V03:K1:jJk6AOjbzRM0/D99yBXhrNJyCw6ZYaPZHLQC10xP0sn8zy1HO0/ OzTG7CgOY14ONug7zrmL61OT1wE164PsZP9OD00Lhg1BvraFd6sgkkGjR7Us/SB3N0LJlhq JypBryphK0R2NB6NZ6ftzg1A8ELJn09wyx4iXTR4q5FB3M+XrdyM25cCVaMoY6SWluGpS+1 WXy5tY9vhkw13drXj+r4Q== X-UI-Out-Filterresults: notjunk:1;V03:K0:fz6qwc6YKpc=:9Q4thFCjHfI/FpAJXWS0Yu RowJBartvUx0gnFAdYYPclcn/2hMdhrWMPF+lB/m9SdJkixBbS26qskeQsTbRo7KcWSEuvMDg g4pKVtQAOfpe/sjT0NHgpcOF/IbeCeew8cYGp8uPrOGFM9wqS3IdtGyqlsUWXk98TczW+ODfg vzgxqeSLeHZ2v6yDl2VYZkAQ++P9DlhaUs7/bS5FpKjtXLB2XIX/TFD5vQCZMF1pUpg4uH6/J mIC0BYCPMJlH+pnrjzrbCrQFf0Lr2GFmS7piFPe7LAPZCqbtVJdI7scYScg6DlhOPOgiFhabO Uj0JDCI6jGy6oU1eDrJ3vZOEi5MLNdO0RHaQ1yM/LRLb5d7RvdS0nTLs8hWmLUfwmxVB7jjAd l+HTrajZSmUHXka5A4Vjb71vUyXBSGCAm16UTReKTjTcUDvIIseQ14D81xc1mhiU4CYkxN6WM FLn3gA0O1ugXjuRwNSdhhXYo07PwrPcYSgUqfZV6E67ygqnwcaX00YwEa7xicCgl1OoZW4p8O YMeItJ+TfJjjLyE7tlGhCVdLpHdugF8SlReUNqy/7vo64JicPDIpdxRfB9DuTEFVDkkFq2hWA 3fp30rRlKkiM/JUgnf4VZIUJDzleOKou6uAb6gEMcp7ABrquL9UrnAaCc0af1l/PHPBr4yUx5 rayGJVgRi6g3JBTJKxDuf+IhHx7e4Ov9khJA9GORA+aEJdT2d5pczC4pizM+Qr2RSuNNO+JLX 4g+c06gJ6slUMNzshl1Gmn/x1ZI0KIea/TkmHOGk6OmtLEFsZtNHzVCyPKfUjS2QTaXWSXfJf Kbz0wJjvtEAx25J7ZkO8BXhPyZJ1q7R96DOL1TOa9w88/y3S8i4pgg6OXPpWtlRnxcH5Ecdjx lzHW0EgdBpAEGGAD4U6qiIJbL64nzofPKDirlEciM= Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org Like other platforms, count the number of IPI function calls and show it in /proc/interrupts. Signed-off-by: Helge Deller diff --git a/arch/parisc/include/asm/hardirq.h b/arch/parisc/include/asm/hardirq.h index 1a1235a9d533..7f7039516e53 100644 --- a/arch/parisc/include/asm/hardirq.h +++ b/arch/parisc/include/asm/hardirq.h @@ -22,6 +22,7 @@ typedef struct { unsigned int irq_stack_usage; #ifdef CONFIG_SMP unsigned int irq_resched_count; + unsigned int irq_call_count; #endif unsigned int irq_unaligned_count; unsigned int irq_fpassist_count; diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 0ca254085a66..e24a790815a5 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -179,6 +180,10 @@ int arch_show_interrupts(struct seq_file *p, int prec) for_each_online_cpu(j) seq_printf(p, "%10u ", irq_stats(j)->irq_resched_count); seq_puts(p, " Rescheduling interrupts\n"); + seq_printf(p, "%*s: ", prec, "CAL"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->irq_call_count); + seq_puts(p, " Function call interrupts\n"); #endif seq_printf(p, "%*s: ", prec, "UAH"); for_each_online_cpu(j) diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 5e26dbede5fc..d9e2d69c9e48 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -155,6 +155,7 @@ ipi_interrupt(int irq, void *dev_id) case IPI_CALL_FUNC: smp_debug(100, KERN_DEBUG "CPU%d IPI_CALL_FUNC\n", this_cpu); + inc_irq_stat(irq_call_count); generic_smp_call_function_interrupt(); break;