From nobody Wed Jun 18 02:13:38 2025 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 4bMS2p5W1Gz5q6mr; Wed, 18 Jun 2025 02:13:38 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4bMS2p2DMbz4246; Wed, 18 Jun 2025 02:13:38 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1750212818; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=kNAT3zj5Sby06I87PK3Ob6uKBQsXn/yJM9h9Ckn6Gk8=; b=U6fHi5xgkVEZqz/NNX1gcZPgZ9YLsBBCegixM7GhHDvUwpAEBSmyTiHjFRxzAVuHUgyTa8 fpPwYaTGm5ew9iE5HbrlbXNs5j1K1GtsNzAPCJCxSFI+bK8y2Q6CUD4uOnmFr5RlHDLtTV 3phxy9wv1eBYgQIIPbBNoSUfekO48OXkLsJFk2MJY5Wun3c54oUtHJzP3BtW28OTRXb3eK /UvKBM2Z05k3nxe07BA2L0vUGzos6MdEx0aPVTV/X9jrHchiXS8XwIaz5vDfED03oeGZ0c rEVETHk33uk+bbq7dL9cY5Dwvjd9TqFFUA+O4eT30lj8+MO2qoJ4mjbkOEVJ0w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1750212818; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=kNAT3zj5Sby06I87PK3Ob6uKBQsXn/yJM9h9Ckn6Gk8=; b=BUZH3nsfM2ZbemL0rRQyeIDf2qMkYw/XuvDoEcgOdY6KLAlSQlV8gMcGY911I7vDWpxPqA ZnoX6v70My74R7Q2vDH2b9Oo7gFpLc0SL8sF5s6qsFthaD/XScAIm9OpzObAEsf3sYDwPH nWnb9/NSN8zQ7zqbM5VD7WZfdt1tyo8McMUVulLzrOPQ4XXb9ZpU+QlbyJZqlpERj7+baU BYgXAKn40jwkNwZBGk0pKjPaMjQ6ORRTH8iKwGCsDWuNvggiN98UIC1F+8f+V6NPMq98uS pCZ3oHtrkZ3XuXi6S9/CkHSjq6j10whgWeQGWkYWhMWqrG2TCP6o3TPN1YOkJA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1750212818; a=rsa-sha256; cv=none; b=q5hWjV7dqgk3oJwhKPm0dUyCVT+pWHUFBbcHFfMqjRLAiQOyPGS/n5Yi2/2sU7sID/d3mE QfpglIf+Asjg35oj+kENmeVt8Ha1grT4sJBGQ3lA95COEbQ8CsOKhoGHWaCYXAbHO5aMkm BMS0YCSDkSGTNytjHcD800vfDwtHX7NgveRRe2T4C5d1ylaFWwMH0bI92ZHkVe+9G1Qx43 XAo2ygcJIPcdCwJ2ZpD+e2ObAzRkM3rP8lrCLRCmym+nMkuS+9bP+Q5YXhjQwyZsl9CcYl vg44nZTCBg6AoWn3NoyegbBm7jhwrlaXl7QYPCz6lpxyovHYMPO5qiMPA6I9mw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4bMS2p15r8z17pv; Wed, 18 Jun 2025 02:13:38 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 55I2Dcgv024876; Wed, 18 Jun 2025 02:13:38 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 55I2DcIB024872; Wed, 18 Jun 2025 02:13:38 GMT (envelope-from git) Date: Wed, 18 Jun 2025 02:13:38 GMT Message-Id: <202506180213.55I2DcIB024872@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Olivier Certner Subject: git: 51a4ae05abe6 - main - sched_4bsd: Remove RQ_PPQ from ESTCPULIM()'s formula 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: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: olce X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 51a4ae05abe6e170de0ff82641d8fce19043eea9 Auto-Submitted: auto-generated The branch main has been updated by olce: URL: https://cgit.FreeBSD.org/src/commit/?id=51a4ae05abe6e170de0ff82641d8fce19043eea9 commit 51a4ae05abe6e170de0ff82641d8fce19043eea9 Author: Olivier Certner AuthorDate: 2024-05-21 12:26:25 +0000 Commit: Olivier Certner CommitDate: 2025-06-18 02:09:38 +0000 sched_4bsd: Remove RQ_PPQ from ESTCPULIM()'s formula Substracting RQ_PPQ to the maximum number of allowed priority values (the factor to INVERSE_ESTCPU_WEIGHT) has the effect of pessimizing the number of processes assigned to the last priority bucket. MFC after: 1 month Event: Kitchener-Waterloo Hackathon 202506 Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D45392 --- sys/kern/sched_4bsd.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sys/kern/sched_4bsd.c b/sys/kern/sched_4bsd.c index c7b55e6ca07a..e7f61eb6ed63 100644 --- a/sys/kern/sched_4bsd.c +++ b/sys/kern/sched_4bsd.c @@ -79,9 +79,9 @@ dtrace_vtime_switch_func_t dtrace_vtime_switch_func; #define INVERSE_ESTCPU_WEIGHT 8 /* 1 / (priorities per estcpu level). */ #endif #define NICE_WEIGHT 1 /* Priorities per nice level. */ -#define ESTCPULIM(e) \ - min((e), INVERSE_ESTCPU_WEIGHT * (NICE_WEIGHT * (PRIO_MAX - PRIO_MIN) - \ - RQ_PPQ) + INVERSE_ESTCPU_WEIGHT - 1) +#define ESTCPULIM(e) \ + min((e), INVERSE_ESTCPU_WEIGHT * (NICE_WEIGHT * (PRIO_MAX - PRIO_MIN)) \ + + INVERSE_ESTCPU_WEIGHT - 1) #define TS_NAME_LEN (MAXCOMLEN + sizeof(" td ") + sizeof(__XSTRING(UINT_MAX)))