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[73.19.52.228]) by smtp.gmail.com with ESMTPSA id a3sm6954744pff.122.2019.06.04.03.31.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 04 Jun 2019 03:31:37 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (1.0) Subject: Re: sysctl From: Enji Cooper X-Mailer: iPhone Mail (16F156) In-Reply-To: Date: Tue, 4 Jun 2019 03:31:37 -0700 Cc: Alexandru Goia , Freebsd hackers list Content-Transfer-Encoding: quoted-printable Message-Id: References: To: Michael Zhilin X-Rspamd-Queue-Id: BBFB4913F4 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=P/yy2xyf; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of yaneurabeya@gmail.com designates 2607:f8b0:4864:20::542 as permitted sender) smtp.mailfrom=yaneurabeya@gmail.com X-Spamd-Result: default: False [-4.57 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; MV_CASE(0.50)[]; FREEMAIL_FROM(0.00)[gmail.com]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.97)[-0.965,0]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2.4.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; IP_SCORE(-1.09)[ip: (0.13), ipnet: 2607:f8b0::/32(-3.24), asn: 15169(-2.29), country: US(-0.06)]; FREEMAIL_CC(0.00)[gmail.com] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Jun 2019 10:31:41 -0000 > On Jun 4, 2019, at 02:29, Michael Zhilin wrote: >=20 > Hi, >=20 > What do you mean under "5 hundred"? > On 13-CURRENT with few modules incl ZFS, "sysctl -NTa" shows around 8 > hundred variables. As Michael noted, there are a variable number of sysctls, generally ranging i= n the hundreds or thousands, for controlling or querying system components/p= roperties. The user can optionally specify a description for a sysctl, which can be que= ries via =E2=80=9Csysctl -d=E2=80=9D (see =E2=80=9Cman 8 sysctl for more det= ails). There should also be a description of the sysctl in the implementing subsyst= em manpage, e.g., =E2=80=9Cman 4 inet=E2=80=9D briefly describes the IPv4 st= ack and some of its sysctl knobs. However, there are gaps, e.g., Linux compa= t hooks which convert sysfs entries to sysctls.=20 Good luck :). -Enji