From patchwork Sun Aug 15 06:50:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Muhammad Falak R Wani X-Patchwork-Id: 497588 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=-15.8 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=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 CFA92C4338F for ; Sun, 15 Aug 2021 06:51:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B6AE260E9B for ; Sun, 15 Aug 2021 06:51:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235480AbhHOGvh (ORCPT ); Sun, 15 Aug 2021 02:51:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231322AbhHOGve (ORCPT ); Sun, 15 Aug 2021 02:51:34 -0400 Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A755C061764; Sat, 14 Aug 2021 23:51:00 -0700 (PDT) Received: by mail-pj1-x1033.google.com with SMTP id w13-20020a17090aea0db029017897a5f7bcso22359152pjy.5; Sat, 14 Aug 2021 23:51:00 -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; bh=thuEpYTiM1U8+AJeygFq4zHWuS3MrIl/T2LAUyDKeNU=; b=ntrECijhAqGRrpX3Fcl4l+lIJ5Ki4Fiui9VcuQzNsyVmTBN0/gjDLi+vFVi0uk0RpY xoHumKDDfghQc7Q44HK0rfpSEc2aWuQKHqLzglVRdRlc/xVhVIGEClCb9uAp6S6okTqZ zVL3cn6hQ3piPtbbgDZTUbpJH3JE8f1cKsW8KmwNQ1k3sXvjAm5CWNRzaaKAwsLRRYlS /onB59oNP2cTLgTe9gFkXfLnoojTgVhd5Tm48WrDsJiZaTWeU8OnDXs9gAxNAYmPEGfx vHnzs++W3vK+1xcRFmahyamuQG1m/yzvxOQMU5LAlGSCndQuWOONYPIeTxKjTQcoeGjV yj8w== 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; bh=thuEpYTiM1U8+AJeygFq4zHWuS3MrIl/T2LAUyDKeNU=; b=CGmZYie97zV6PP/3Rdg3uTIqyBBBx1+JHlue1U3GItLahFXeiZS/GvOcayuCGRr5fR IZ4bZFjdT4jh0SYB+RZfpZ4cpSqMZNQigApKuT56wMP5OgskoAcOyW1Ghw29GRUAA+bs M3F4CFSgNHFUZPKLCziTOheaD7xwpOnTeMCfgv2j9SwoJIHJovMhDcUHc7hGqH2rgFhY Mzp4bHxX9w4bm5223q745/J+J0DewyNE+KIn/oQHKTTi/zQqZq8DAUF4yEE6n8Lm+6Je fYmFSj5irnuctCN3RtA2PcHUjRf4EpQqvvar2vHuRYVxOgMzLYXYjvLs7kKWvN3QUGe/ pd3A== X-Gm-Message-State: AOAM530UMbpqAdBwDdDCWq3J2oPYIGJqgV8CyZJcaCSW+X7qjBm/JnVS YsAMw4I1CSs/dtOA7cqm2Bk= X-Google-Smtp-Source: ABdhPJywcfvIEYb4s9hDgsPcDVKaYP8GH7oz2zwz17dv0SixUG/FTzyOHxoMN8GbdjMMYlIoyb5hwA== X-Received: by 2002:a17:90a:c085:: with SMTP id o5mr10560376pjs.113.1629010259867; Sat, 14 Aug 2021 23:50:59 -0700 (PDT) Received: from u18.mshome.net ([167.220.238.196]) by smtp.gmail.com with ESMTPSA id pj14sm5943221pjb.35.2021.08.14.23.50.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 14 Aug 2021 23:50:59 -0700 (PDT) From: Muhammad Falak R Wani To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, Muhammad Falak R Wani Subject: [PATCH] samples: bpf: offwaketime: define MAX_ENTRIES instead of a magic number Date: Sun, 15 Aug 2021 12:20:13 +0530 Message-Id: <20210815065013.15411-1-falakreyaz@gmail.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Define MAX_ENTRIES instead of using 10000 as a magic number in various places. Signed-off-by: Muhammad Falak R Wani --- samples/bpf/offwaketime_kern.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/samples/bpf/offwaketime_kern.c b/samples/bpf/offwaketime_kern.c index 14b792915a9c..4866afd054da 100644 --- a/samples/bpf/offwaketime_kern.c +++ b/samples/bpf/offwaketime_kern.c @@ -20,6 +20,7 @@ }) #define MINBLOCK_US 1 +#define MAX_ENTRIES 10000 struct key_t { char waker[TASK_COMM_LEN]; @@ -32,14 +33,14 @@ struct { __uint(type, BPF_MAP_TYPE_HASH); __type(key, struct key_t); __type(value, u64); - __uint(max_entries, 10000); + __uint(max_entries, MAX_ENTRIES); } counts SEC(".maps"); struct { __uint(type, BPF_MAP_TYPE_HASH); __type(key, u32); __type(value, u64); - __uint(max_entries, 10000); + __uint(max_entries, MAX_ENTRIES); } start SEC(".maps"); struct wokeby_t { @@ -51,14 +52,14 @@ struct { __uint(type, BPF_MAP_TYPE_HASH); __type(key, u32); __type(value, struct wokeby_t); - __uint(max_entries, 10000); + __uint(max_entries, MAX_ENTRIES); } wokeby SEC(".maps"); struct { __uint(type, BPF_MAP_TYPE_STACK_TRACE); __uint(key_size, sizeof(u32)); __uint(value_size, PERF_MAX_STACK_DEPTH * sizeof(u64)); - __uint(max_entries, 10000); + __uint(max_entries, MAX_ENTRIES); } stackmap SEC(".maps"); #define STACKID_FLAGS (0 | BPF_F_FAST_STACK_CMP)