From nobody Fri Feb 21 20:07:17 2025 X-Original-To: freebsd-hackers@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 4Z01Ph2XRsz5pG0L for ; Fri, 21 Feb 2025 20:07:20 +0000 (UTC) (envelope-from superbisquit@gmail.com) Received: from mail-qv1-xf41.google.com (mail-qv1-xf41.google.com [IPv6:2607:f8b0:4864:20::f41]) (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 "WR4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Z01Pg0Lzlz4HCM for ; Fri, 21 Feb 2025 20:07:19 +0000 (UTC) (envelope-from superbisquit@gmail.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20230601 header.b=LGlgVq0Q; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of superbisquit@gmail.com designates 2607:f8b0:4864:20::f41 as permitted sender) smtp.mailfrom=superbisquit@gmail.com Received: by mail-qv1-xf41.google.com with SMTP id 6a1803df08f44-6e672a21b9dso25334096d6.1 for ; Fri, 21 Feb 2025 12:07:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740168438; x=1740773238; darn=freebsd.org; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=7aGSVhggsNfGWFL56uBcDAWTi4nU5QOhxF6NIP/PAZQ=; b=LGlgVq0QHMWr0kOBJ5kGNlJFKF7Wy/cFKeHyEsKDp2X2ihMIlSZAiuaZst4pDj2OfI FB65Rm6obugHONf11IaZf73ImgtLYKs/njKUOGo/jzpak0OGmltVIBbO52AWZHj/eF8m 3GV0EjPdsKdGIVgpj6STJS/NDcP8eOA78oXSGjF0XNT1ummcVr4M5v4Mlw9mj2ZWzFMw JU3gjgvI3+5bqG2k7KjXJhBHJLWSArrgJl4w1+LcMQBZ50p5UnS0uFPLIA3XsW/UKbz8 QUaNEgZFoBC3wRSEzelzErT1QH4ylHRGKhaIYqo8sJTl7h1k7XTaVukUXdnaGbEc9Yis CuBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740168438; x=1740773238; h=to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=7aGSVhggsNfGWFL56uBcDAWTi4nU5QOhxF6NIP/PAZQ=; b=h0W1iXnh5BIWxZafc0eqNcCcde3NEzpFPscfJ4cNJ+78sc48EPuw9TeujH0EKb3n1R nL0vj8mkscBDO4+QokbrU5FfAJxqXfXmrylBGNhQyhV+Er5ojdh2qUPRpWxOqaDxDmIS +2vtBcxn9aYO4meyl+H+XdGdm+Mnh1Roq9XZljhm/xPBdl3Eo+04a1pEcacuZJKa6vQH sEQtV+PdmktlSbOLSdOrLfWfZGGbHcyQBpXHI7INuMtwnc5DbrnHKnzX2Wy3kBXEpD3s KlRcyju5TboZGTmg7P7sDTSpFuECXSkFgKsWuDJW3NbA84bd0emQVaJbrR0WwdbJRk+G srwg== X-Gm-Message-State: AOJu0YzMMj7XASAOkLa+/lCz5KdjMvnlFgbiSB/qE3oNzOUI8YWAePPv 6Yf74nwPcuaNc7J/VRYhdx6d5C6g6gOKZCmN8YTVcVMIbsDJp+6jz4cuiOXuCZEFEOpMPmItZ4i 5BZJRvsM607rqzl0gWGSpT1/3A+OgCF+s5p07cQ== X-Gm-Gg: ASbGncsyZSrMz21Butc650+P4J6FksATdfArLiMN2r9T1rCfV2UDTyvHkPexbdAJZWn FDPCWVMaOxmtxPrWYlZSxOVQhs53D98YM7INYKsKiJBt3TY/N80GdDviKptp+iTSfodfjZrmMqo StZC/afoXqptbP1d361JL6bB19T6jhZIw3asbWJ8mSPA== X-Google-Smtp-Source: AGHT+IEbEDKe9nD2JNA+ytskTOB8GgTc7k4cl8tIwS4b2yX2rVmnovtUEHDmIncuqPxCGfz61seiaWFr1QeOs8kPjKE= X-Received: by 2002:a05:6214:d8a:b0:6e6:646e:a0f8 with SMTP id 6a1803df08f44-6e6ae7f73bcmr57862696d6.16.1740168438158; Fri, 21 Feb 2025 12:07:18 -0800 (PST) List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@FreeBSD.org MIME-Version: 1.0 Received: by 2002:a0c:f7c2:0:b0:6e6:6c57:2391 with HTTP; Fri, 21 Feb 2025 12:07:17 -0800 (PST) From: Joe Nosay Date: Fri, 21 Feb 2025 15:07:17 -0500 X-Gm-Features: AWEUYZnj25vYG9-FQH4WEj1WSNehIJ9S-_zTaj0g1eOoc-SMa_kCJs7Dkx22mY4 Message-ID: Subject: Kernel hertz rate question To: FreeBSD Hackers Content-Type: multipart/alternative; boundary="0000000000009b1a77062eac89c8" X-Spamd-Result: default: False [-3.83 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.83)[-0.827]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; RCVD_TLS_LAST(0.00)[]; TO_DN_ALL(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_TRACE(0.00)[0:+,1:+,2:~]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ARC_NA(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; MID_RHS_MATCH_FROMTLD(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; MLMMJ_DEST(0.00)[freebsd-hackers@freebsd.org]; MISSING_XM_UA(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::f41:from] X-Rspamd-Queue-Id: 4Z01Pg0Lzlz4HCM X-Spamd-Bar: --- --0000000000009b1a77062eac89c8 Content-Type: text/plain; charset="UTF-8" Why does the system "run backwards" when the kern hz rate is set at 2500 or greater? Also, is there a way if patching to run a kernel at 3500 to 5009? I was told that more interrupts occur at higher rates. --0000000000009b1a77062eac89c8 Content-Type: text/html; charset="UTF-8" Why does the system "run backwards" when the kern hz rate is set at 2500 or greater?
Also, is there a way if patching to run a kernel at 3500 to 5009?
I was told that more interrupts occur at higher rates.

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