From nobody Thu Nov 04 09:54:56 2021 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 24548184018C for ; Thu, 4 Nov 2021 09:54:56 +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 4HlJsD0R8Pz4cTm for ; Thu, 4 Nov 2021 09:54:56 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) 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 E322229F7C for ; Thu, 4 Nov 2021 09:54:55 +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 1A49stKI008040 for ; Thu, 4 Nov 2021 09:54:55 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 1A49stOL008039 for bugs@FreeBSD.org; Thu, 4 Nov 2021 09:54:55 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 259642] CLOCK_* seems to default to CLOCK_*_PRECISE instead of CLOCK_*_FAST Date: Thu, 04 Nov 2021 09:54:56 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: 0mp@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: 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=3D259642 Bug ID: 259642 Summary: CLOCK_* seems to default to CLOCK_*_PRECISE instead of CLOCK_*_FAST Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: 0mp@FreeBSD.org The clock_gettime(2) manual page [1] documents that: > The clock IDs CLOCK_REALTIME_FAST, CLOCK_MONOTONIC_FAST, > CLOCK_UPTIME_FAST are analogs of corresponding IDs without _FAST suffix > but do not perform a full time counter query, so their accuracy is one > timer tick. However, in the source code of kern_clock_gettime() in sys/kern/kern_time.c [2], the clock IDs without a suffix default to PRECISE instead of FAST. Is it the manual page or the source code that needs fixing? [1]: https://www.freebsd.org/cgi/man.cgi?query=3Dclock_gettime&manpath=3DFreeBSD= +13.0-RELEASE+and+Ports [2]: https://cgit.freebsd.org/src/tree/sys/kern/kern_time.c?h=3Dreleng%2F13.0#n3= 23 --=20 You are receiving this mail because: You are the assignee for the bug.=