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=-16.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 3ADF9C07E99 for ; Fri, 9 Jul 2021 03:45:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1862361445 for ; Fri, 9 Jul 2021 03:45:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231233AbhGIDsJ (ORCPT ); Thu, 8 Jul 2021 23:48:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231176AbhGIDsG (ORCPT ); Thu, 8 Jul 2021 23:48:06 -0400 Received: from mail-qv1-xf35.google.com (mail-qv1-xf35.google.com [IPv6:2607:f8b0:4864:20::f35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 28278C06175F for ; Thu, 8 Jul 2021 20:45:24 -0700 (PDT) Received: by mail-qv1-xf35.google.com with SMTP id f5so3926679qvu.8 for ; Thu, 08 Jul 2021 20:45:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ah5lKE1KgaSrHINjMzc+1QvbN54WzaVknCFAGgnica8=; b=V7cFXGIQ9xTGSjgvKX7oCmAvnKX5hYH/20rTE3J2x7ppO4uGMaO2SB0CmKOeHwmJXN eDOrAY2X7ZWetez4ruCTLbssWz/EE9EAGCKgxRjJzbfzUeToD5RtKyEN2YRO4LZvtJ/0 I3lPeXmGk5fXMN7WUWI62WcbD76RYJTQwF4fG4MMPEU4803qL6kFZ3Nd7/ZUymfCbcFX Dz0UNoQ6Ahp7aRJrTscI01MQ6c1Sa8jXBHq7TVxfhUNfzvI4FF/UiSMz0fEKSpD8tMx8 FJqyJLfMTT37INZFONJ0+XM2D3KJ574xck+lYOmrXECOx4K0kq1oPGFUCdMx9LkxPMX+ 6NRQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ah5lKE1KgaSrHINjMzc+1QvbN54WzaVknCFAGgnica8=; b=jgUKM3iX4xxAYZ34SlDmlYmE6T9Rb0n8As+EQk9FnsQ8DzGyrcoTPGV6uSnaViYOeH 7DjiJmy0IKbW1fwiTAqPDWsoX+yy1xc1J6hNx3ykY1uMMjXkOJULK5AuPnOM8LcMlJYF +sTp6T5/u4oolg22DunFK2aB1O+Az+kuAz1JF9H97QoV0os3ZWkYae2bfefru6Y0qsjw mQ9H/GVL0W016MKUwaQJo+FniJugQoxHx6NE3h2cLXxfGEK5TPzTDDBw/zrAzMQeq8ER BF3tzxya9LxC3lxvcZUeyuk5qUKWst0RUyAuouDPMSNXFgX558Ah8ZwomzuIP83XBnzo Yvtg== X-Gm-Message-State: AOAM530rLHaa+o1fwQCBrScilXCK1O9K07qIsc9QetcMFZx56HQPui3M wXzLymSKmGTGXBGtttpx2j870X2g0A4= X-Google-Smtp-Source: ABdhPJxFSE3t8qcA0k+/5DBIPCjRvMWrWcSkapbDaE68hGlikVQ3qeMPHZ/82WynNek4QTcbyXIbfg== X-Received: by 2002:ad4:458f:: with SMTP id x15mr33618277qvu.36.1625802323134; Thu, 08 Jul 2021 20:45:23 -0700 (PDT) Received: from localhost ([207.98.216.60]) by smtp.gmail.com with ESMTPSA id h6sm1948876qke.100.2021.07.08.20.45.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jul 2021 20:45:22 -0700 (PDT) From: Yury Norov To: linux-kernel@vger.kernel.org Cc: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Petr Mladek , Steven Rostedt , Sergey Senozhatsky , Tejun Heo Subject: [PATCH 1/2] lib: bitmap: add performance test for bitmap_print_to_pagebuf Date: Thu, 8 Jul 2021 20:45:18 -0700 Message-Id: <20210709034519.2859777-2-yury.norov@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210709034519.2859777-1-yury.norov@gmail.com> References: <20210709034519.2859777-1-yury.norov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds performance test for a fully set bitmap. Functional tests are in lib/test_printf.c. Signed-off-by: Yury Norov --- lib/test_bitmap.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c index 4ea73f5aed41..452d525007da 100644 --- a/lib/test_bitmap.c +++ b/lib/test_bitmap.c @@ -430,6 +430,42 @@ static void __init test_bitmap_parselist(void) } } +static void __init test_bitmap_printlist(void) +{ + unsigned long *bmap = kmalloc(PAGE_SIZE, GFP_KERNEL); + char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); + char expected[256]; + int ret, slen; + ktime_t time; + + if (!buf || !bmap) + goto out; + + memset(bmap, -1, PAGE_SIZE); + slen = snprintf(expected, 256, "0-%ld", PAGE_SIZE * 8 - 1); + if (slen < 0) + goto out; + + time = ktime_get(); + ret = bitmap_print_to_pagebuf(true, buf, bmap, PAGE_SIZE * 8); + time = ktime_get() - time; + + if (ret != slen + 1) { + pr_err("bitmap_print_to_pagebuf: result is %d, expected %d\n", ret, slen); + goto out; + } + + if (strncmp(buf, expected, slen)) { + pr_err("bitmap_print_to_pagebuf: result is %s, expected %s\n", buf, expected); + goto out; + } + + pr_err("bitmap_print_to_pagebuf: input is '%s', Time: %llu\n", buf, time); +out: + kfree(buf); + kfree(bmap); +} + static const unsigned long parse_test[] __initconst = { BITMAP_FROM_U64(0), BITMAP_FROM_U64(1), @@ -669,6 +705,7 @@ static void __init selftest(void) test_bitmap_arr32(); test_bitmap_parse(); test_bitmap_parselist(); + test_bitmap_printlist(); test_mem_optimisations(); test_for_each_set_clump8(); test_bitmap_cut(); -- 2.30.2