From nobody Mon Feb 13 23:58:41 2023 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4PG1Wl3N25z3rB7F; Mon, 13 Feb 2023 23:58:43 +0000 (UTC) (envelope-from mjguzik@gmail.com) Received: from mail-oa1-x34.google.com (mail-oa1-x34.google.com [IPv6:2001:4860:4864:20::34]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4PG1Wl0r15z3jWX; Mon, 13 Feb 2023 23:58:43 +0000 (UTC) (envelope-from mjguzik@gmail.com) Authentication-Results: mx1.freebsd.org; none Received: by mail-oa1-x34.google.com with SMTP id 586e51a60fabf-16aa71c1600so17112536fac.11; Mon, 13 Feb 2023 15:58:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:references:in-reply-to :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=tGUtzbNp9abcw3jzaGGBd0xO8nj7aYkX6iviXMVvqeE=; b=leQBOzx5GcYd8dvEvG3V2TVGS+YV1S3Q0+jI8NOA+P9GGPoWtLuIe1FOPUaoR5ZUx8 S/5OKtOaQHguG6WTVbOyV/gBdyGS/r/sj7DP1HmuOjfU1PmyDq5Hp1jd0neEFjOs1iH1 sT7VF+aiMobwQ869l5AxUo4BIterjZBF8+rkNxIZW5IVmfcLX73FKqvEXITRkZBBlwFZ M2PrTMYy+MAMvK7EmBKYNeyeFrAqrOu/VcNfTDxcsNwyI2Kh6Wv/VelpLsbyZjsNBQYl xd/4sqwuryIrWzIGmt0TOi2278Dzd4qNVup58ffNAAw1BXXnsVB8D3taYXYcpKG3YqUF DCBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:references:in-reply-to :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=tGUtzbNp9abcw3jzaGGBd0xO8nj7aYkX6iviXMVvqeE=; b=gUh8E4KUfnXI+Bnjfw9tT8n/HdHhRH1h0rnrArCd4VouhYgFzXlSZUHWUAvEUNcXse rfhclNAgVAO7cnXbCoTvm1bGqUcy5BRTMgyt9OQgRd19MVGDi8s/InNEp6LZsBRRKgoT p0REiPanHDl4tEYLwmV+mDaFvc5zqffjflLB4hbAkXMen669LUR9KmJLFpvKyh38O2Sq 2VlWnZwoA7ZLdoLAJYgGYtCPdvLTdTGDJhvLcXSOFAM0lCKG6xccgzxzOFC5Hh8WhUV/ pJzJwNDbNJppiJ9snhbcBIEVNzXftX11B0xtofzxGvatZ6IRC5HOudQmC6PG7E2XDU57 +O3g== X-Gm-Message-State: AO0yUKWnzrCOKAEnXyS3PmFq6R9XXr4WmCcY75golB2os3cJzoVSnz9/ 13ybbbERJoQjs4aTwPbFSOUcgimIsF8BgyZ0bt1ueiN8 X-Google-Smtp-Source: AK7set8VxrAhCaL+2EYd7OUkq7XpDAj3dXFVvnlBMDc2IKWHjSKkrb0J4Scpe8C47Gr5SzmEfV2asW54KF1HZbpKNXY= X-Received: by 2002:a05:6870:cf05:b0:16e:25e:f294 with SMTP id xf5-20020a056870cf0500b0016e025ef294mr390500oab.81.1676332721876; Mon, 13 Feb 2023 15:58:41 -0800 (PST) List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-main@freebsd.org X-BeenThere: dev-commits-src-main@freebsd.org MIME-Version: 1.0 Received: by 2002:ac9:4381:0:b0:4b9:9c2d:ce62 with HTTP; Mon, 13 Feb 2023 15:58:41 -0800 (PST) In-Reply-To: <1qmt-6s1w-wny@FreeBSD.org> References: <202302081947.318Jlbt6052826@gitrepo.freebsd.org> <20230208202736.L7hpB%steffen__28609.3347867549$1675888077$gmane$org@sdaoden.eu> <1qmt-6s1w-wny@FreeBSD.org> From: Mateusz Guzik Date: Tue, 14 Feb 2023 00:58:41 +0100 Message-ID: Subject: Re: git: 48bfd3597654 - main - Add nproc(1) To: Jan Beich Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 4PG1Wl0r15z3jWX X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2001:4860:4864::/48, country:US] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-ThisMailContainsUnwantedMimeParts: N On 2/14/23, Jan Beich wrote: > Steffen Nurpmeso writes: > >> |+ if (all_flag) { >> |+ cpus = sysconf(_SC_NPROCESSORS_ONLN); >> >> is not compatible -- note i like the FreeBSD way better, and maybe >> someone should make a bug report even. >> >> #?0|kent:$ getconf -a|grep NPROC >> _NPROCESSORS_CONF 8 >> _NPROCESSORS_ONLN 4 > > See also https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230330 > > $ cpuset -l 2-5 -- getconf -a | fgrep _NPROC > _NPROCESSORS_CONF: 8 > _NPROCESSORS_ONLN: 4 > As I mentioned previously in the thread, on linux these *don't* react to cpusets (or tasksets in linux parlance): $ getconf -a | grep _NPROC _NPROCESSORS_CONF 4 _NPROCESSORS_ONLN 4 $ taskset --cpu-list 0 getconf -a | grep _NPROC _NPROCESSORS_CONF 4 _NPROCESSORS_ONLN 4 consequently the patch proposed in the bz would introduce an incompatibility with linux -- Mateusz Guzik