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=-13.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 DE7F4C433E0 for ; Fri, 31 Jul 2020 07:44:36 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 93F6A2067D for ; Fri, 31 Jul 2020 07:44:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 93F6A2067D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 4DFCB4B157; Fri, 31 Jul 2020 03:44:36 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cu6xoCjEicyd; Fri, 31 Jul 2020 03:44:35 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 18E8A4B378; Fri, 31 Jul 2020 03:44:35 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 80D2F4B32B for ; Fri, 31 Jul 2020 03:44:33 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DulrfFJ7KeWP for ; Fri, 31 Jul 2020 03:44:32 -0400 (EDT) Received: from huawei.com (szxga06-in.huawei.com [45.249.212.32]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 4016A4B157 for ; Fri, 31 Jul 2020 03:44:32 -0400 (EDT) Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id CA99D1B48DADD2BC9804; Fri, 31 Jul 2020 15:43:36 +0800 (CST) Received: from DESKTOP-FPN2511.china.huawei.com (10.174.187.42) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.487.0; Fri, 31 Jul 2020 15:43:27 +0800 From: Jingyi Wang To: , , Subject: [kvm-unit-tests PATCH v3 07/10] arm64: microbench: Add time limit for each individual test Date: Fri, 31 Jul 2020 15:42:41 +0800 Message-ID: <20200731074244.20432-8-wangjingyi11@huawei.com> X-Mailer: git-send-email 2.14.1.windows.1 In-Reply-To: <20200731074244.20432-1-wangjingyi11@huawei.com> References: <20200731074244.20432-1-wangjingyi11@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.187.42] X-CFilter-Loop: Reflected Cc: maz@kernel.org, prime.zeng@hisilicon.com X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Besides using separate running times parameter, we add time limit for loop_test to make sure each test should be done in a certain time(5 sec here). Signed-off-by: Jingyi Wang Reviewed-by: Eric Auger --- arm/micro-bench.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/arm/micro-bench.c b/arm/micro-bench.c index 93bd855..09d9d53 100644 --- a/arm/micro-bench.c +++ b/arm/micro-bench.c @@ -22,6 +22,7 @@ #include #include +#define NS_5_SECONDS (5 * 1000 * 1000 * 1000UL) static u32 cntfrq; static volatile bool irq_ready, irq_received; @@ -267,23 +268,26 @@ static void loop_test(struct exit_test *test) uint64_t start, end, total_ticks, ntimes = 0; struct ns_time total_ns, avg_ns; + total_ticks = 0; if (test->prep) { if(!test->prep()) { printf("%s test skipped\n", test->name); return; } } - isb(); - start = read_sysreg(cntpct_el0); - while (ntimes < test->times) { + + while (ntimes < test->times && total_ns.ns < NS_5_SECONDS) { + isb(); + start = read_sysreg(cntpct_el0); test->exec(); + isb(); + end = read_sysreg(cntpct_el0); + ntimes++; + total_ticks += (end - start); + ticks_to_ns_time(total_ticks, &total_ns); } - isb(); - end = read_sysreg(cntpct_el0); - total_ticks = end - start; - ticks_to_ns_time(total_ticks, &total_ns); avg_ns.ns = total_ns.ns / ntimes; avg_ns.ns_frac = total_ns.ns_frac / ntimes; -- 2.19.1 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm