From nobody Fri Apr 14 15:48:04 2023 X-Original-To: bugs@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 4Pygnw54Jjz45Tll for ; Fri, 14 Apr 2023 15:48:04 +0000 (UTC) (envelope-from bugzilla-noreply@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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Pygnw3NPyz3FfC for ; Fri, 14 Apr 2023 15:48:04 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1681487284; 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: in-reply-to:in-reply-to:references:references; bh=V9AHlTKExzexbLrq5ihMcr1epkqDhr8wz9uNnwJ4VBE=; b=Dr+EXYjoS2J2hCv53P3fsTIz49V/ovPNohN9ziQT0nq5ztzm5xp04v0aCVwsfNtUCafbO7 Q7jq3tRhRI05hOishxo8tioJH/D7H/9EfsZp09po0Av7nM+iB8gH9eJ2K+1pHzaFE062DX pacfCF/l7aK/fZE1IqD10fKDvNy/bfosUf7rUrC81ESYW4hJzzgILUche46QBS1A6m9Iat xIUeJoNVPMw0hPnZp1KDeYG3nP0RHQf0Bh7S2LfRI7FEE9yJXDLK+Cl/HeCTuC/A39X5uG xkyPAZ2CI78bSHA4aeTBHB1my2pTZcCuWg1fPTQpFMsUTcdeH/we0kBNRmVPNw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1681487284; a=rsa-sha256; cv=none; b=iA1M9h63uYHis9wwos2TJy0a7nC6tANiE8OPUEossfL/jHPpCSGIvZucvI+m9sxEsT52cd 1zA4PzE/6wriltb3bjk/YshvXF2GitbVUoUYaAZcZ4hffwtksnzQygtO65f1QF/aDFHCrI C8sKJlte9ishJ1MJ6jPbC/Wa4smxv8Mc6kln515zEfTP1hChtOQBLHoN3Yv4TG3J/WGNWq FNWWCqpT5mY6IprCPvj7idnDV519pYjopCMGn0mw/E418Z38HfKeUDh7rvcfdv58H1SiLG h+RWR1tsD0KUoRBUnetPodkOFQL4LDmeuiNniwIUYItXa0FTCDcnU+1TJLB/+A== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (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 4Pygnw2C6lzVpm for ; Fri, 14 Apr 2023 15:48:04 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 33EFm4SQ088874 for ; Fri, 14 Apr 2023 15:48:04 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 33EFm4cN088873 for bugs@FreeBSD.org; Fri, 14 Apr 2023 15:48:04 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 270785] Performance and power efficiency regression due to pthread_cond_timedwait() changes Date: Fri, 14 Apr 2023 15:48:04 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.2-RELEASE X-Bugzilla-Keywords: performance, regression X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: mav@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D270785 --- Comment #7 from Alexander Motin --- Your analysis exactly matches my expectations. I'd say it is a Minecraft b= ug, not OS. May be we could introduce some tunable to limit minimal sleep time, but I hate tunables in general. --=20 You are receiving this mail because: You are the assignee for the bug.=