From nobody Mon Jul 28 13:31:38 2025 X-Original-To: dev-commits-src-branches@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 4brKBf6McDz63541; Mon, 28 Jul 2025 13:31:38 +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 "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4brKBf3cZVz3v75; Mon, 28 Jul 2025 13:31:38 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1753709498; 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=6BkqmxBofOA+kEOA4TF5UwQhMQFV2W+WCGDSo9aNPuQ=; b=uaVM4t7HQIVgC9UQIQTThvuwY59jokwqfODkfapKjPkCVU9NIh8DoR2EUedD6EduJbMHpz hOa9x9C5tbRKdyiqzOywNA6wdBk2LB/L28rcfhjViBmjOJR0y5PWCbNZaDnGn6Y+GJULci 0FUGNWlICjYMHvFMwckar5hqL9ykm/CEkvP/CW9VtsuVH+z2qLgQ9U17BC2IkMoXtdLON8 NfjZGZjXxst5SSQx7tuBM+AkuoS76BPRcsHr3PDjaO75k8oVUtvQalsmZeu9p+SHZWNutG J1h99ECsQdO4+3fumwDjonvV+E3m9suBGCu3MnfllHmc58Nhf/LMX2M/XeZDtQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1753709498; 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=6BkqmxBofOA+kEOA4TF5UwQhMQFV2W+WCGDSo9aNPuQ=; b=J8qbVLrVQk8CWaJ2tu1JIZfMpDT/ocJnddIMaGGxrfcJWGaLf5hByqQY+HQXngo3VP6fvT BaoLk4vKOo6azhHuvobOSSGOCXbMhVTrCxQCwzlgWbymKPmRD+7ajnie/vuAdD257qvdtR ku81mG7SsLRjdm60n0pXCRZfebG1fh67GRxkfRYge+yCLxepSaOVOm7mqi7kqyeZTFiKec oNYfZ51t2OFPSTMbL//o0DBequYXz8osawFOAeq3FCIAa6auQEFaWQhTMd7kcPq62+FApU 5nA9HB8DPyKTvJl3PIWp7qecX9dzOLVWpcdpE3C657piFUmPA7LC6evpX7DeFg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1753709498; a=rsa-sha256; cv=none; b=wBqWhE2OyNnxrpNMpJUT0yOC3y6Cw2MrPPASDUA5qhegA5caWu7S0nSsctsAWQIUyp2L8+ 2u9xIXqMZotoRF5tuRc6xxlLMNAyR63TAnmcva1jSMXLcVQpOvsnGMKEZifKd64xyE/MAV A3GE++KpP0IEvAY0wKMYzbfZ8fgQHyiV22hocvYXI4zNwb1KgQSWtivicgdoJKWz7s5dzX Oahlq3bFX5aZIpuwRW4craTW49nrCFBG6haDL/+Cidl5S7e3xqCO1OFl3TT+yuMlHX0mR4 pNMNzgBCq26L5LOVpGI+VHDXBJUEg0RjwVH1TmXTLmYoaKJhpG5Y7zulg96ySw== 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 4brKBf303Rzng3; Mon, 28 Jul 2025 13:31:38 +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 56SDVcGI082118; Mon, 28 Jul 2025 13:31:38 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 56SDVcLj082115; Mon, 28 Jul 2025 13:31:38 GMT (envelope-from git) Date: Mon, 28 Jul 2025 13:31:38 GMT Message-Id: <202507281331.56SDVcLj082115@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Olivier Certner Subject: git: 00c1b4fac2ab - stable/14 - sched_4bsd: Remove RQ_PPQ from ESTCPULIM()'s formula List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@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/stable/14 X-Git-Reftype: branch X-Git-Commit: 00c1b4fac2ab709b0e0c77007d47c85e0bf36095 Auto-Submitted: auto-generated The branch stable/14 has been updated by olce: URL: https://cgit.FreeBSD.org/src/commit/?id=00c1b4fac2ab709b0e0c77007d47c85e0bf36095 commit 00c1b4fac2ab709b0e0c77007d47c85e0bf36095 Author: Olivier Certner AuthorDate: 2024-05-21 12:26:25 +0000 Commit: Olivier Certner CommitDate: 2025-07-28 13:28:42 +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 (cherry picked from commit 51a4ae05abe6e170de0ff82641d8fce19043eea9) --- 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 4cf5ec054d1c..e9d180fde303 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)))