Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1whg0L-000MM4-0q for pgsql-hackers@arkaria.postgresql.org; Thu, 09 Jul 2026 04:04:53 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1whg0J-00AgYU-2G for pgsql-hackers@arkaria.postgresql.org; Thu, 09 Jul 2026 04:04:52 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1whg0I-00AgYM-2R for pgsql-hackers@lists.postgresql.org; Thu, 09 Jul 2026 04:04:52 +0000 Received: from fhigh-b1-smtp.messagingengine.com ([202.12.124.152]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1whg0F-00000000Oqm-3daS for pgsql-hackers@postgresql.org; Thu, 09 Jul 2026 04:04:51 +0000 Received: from phl-compute-02.internal (phl-compute-02.internal [10.202.2.42]) by mailfhigh.stl.internal (Postfix) with ESMTP id 8F9D07A00EA; Thu, 9 Jul 2026 00:04:45 -0400 (EDT) Received: from phl-frontend-04 ([10.202.2.163]) by phl-compute-02.internal (MEProxy); Thu, 09 Jul 2026 00:04:45 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=paquier.xyz; h= cc:cc:content-type:content-type:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:subject :subject:to:to; s=fm2; t=1783569885; x=1783656285; bh=tGbbQGmoJK ljZn6S6m/uVWvm3MWFyENdDRZzQ2Rjx84=; b=jV8YiAIyyJ1vgfmKBRwi8Z0NZp NgLz4Jn0GB2S/4Sp7plj+nGCTlgq00elC3kibrdsJjHnaL0SazFmfFkT4/LMMpKh 7j74hBxBkbjA+Go82MR/K8ZPd2M9ehD7ehHALws5D7iyzgm8sV5Vunkg5goGV3tc shU20HJ7Pe/YevAzIatOYrlYQftJL8BIYsv7RV/24PKA8SkIgwRBDXw3/DGGC7zn 2/MkjtxTVtC8P2NHOZLDmW6wgfBbTmthZWWgn0ytnfWNJZArch+n6qbsqO3wwTRL FG9VxXSW05r8zzqhgfqf91KGSuzXq2AH+ziZ+WVXpSa4RbeSCQaYZSG6xhTg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:subject:subject:to :to:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; t= 1783569885; x=1783656285; bh=tGbbQGmoJKljZn6S6m/uVWvm3MWFyENdDRZ zQ2Rjx84=; b=ix4URMgvK30t8G4pPNONO2k6epIQZZE0nnU0RFE2UteFF/Hdocc E6ih6ftoxFKlq3H7T3V3ELpWvNcX8H3jmsdLqMktXdviZpNuy+xakpChUyR4cdFd iQD/rKFcRYXd8PtTR6H0NyJ9a5+eDgkV9myN1yl/PShRq1QEYSHZmtfmGhTFWBjp quMw1wRJvHcd9WgqdGy0fzxRNY95veThvy+lpeLQOqArqX0allPso4Id1bCaHmrc 1viFZQUJZWI8D8NRcB9a6AV7o6+7VnlTk9K46visQ1lLmfL8lwtysbPlaIL8eeou NylH4FisULcaJCqmp+kwLrBi7tT2DgIX0eg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: dmFkZTEhLoKhQ0J9aJJsEGu1ciCRbq5CRrCll/W+s1jCOvYZzCjSNqPN+Xx7x6NPi5YBaS V1E4JnrMxLGAkScrXQevFys8oeC1hPXjG7KSYAoMUcF+QH5Ah2MJIrkYojYv57iRAE3ia0 27r4KVOTaLadmWTEsWLiozZm174jy6DOhvNCPBEUT9LBtKLs8V+7/zefT3K80+spHyEtBd Og0leVMuwzjb3fha3ldBkg0kdSjGOkn3QtVyPY+yW4rQNRGIaa6rh70YVpwD5UPozpV5ge 8KbvKYfu83WiirOxp/6GpEillyxSqC4NmOP+W0A7UFX54FrLBTSeMxFQgRNElGus0sjHsT ohMZJDnQ3uyqsdjdnA0UssvZrmdIYsOudG6wvySO0E6jlLpQ3YXIGIgpQrOyd41d8f28Lk CGeVU1vH/B87QdLo3M6iH96i+Z/PfOUhaqalgHIhKF0tvoXb1ctgF0hBNHYhXO+QYJhxbJ BLIVlaWVMUgPf0fvpiZfAu2PD6WisV4FVxd1fekwKJ/9nNcEFqxd2rbAqbaiD/inm8oUuU INwNlZ3iE8fzjZMbv7TuTgw9tIA4mv2zb9Qd2o9lOZe5IuumBwPNWck5Zmn+IvDkI7tdDD G50eRdUb4Bsh0vOVSKkV1J3ce1bUyfDY6OTeU0R4aTdWdV2CWZRyfEy+f+cg X-ME-Proxy: Feedback-ID: i0fe9450f:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 9 Jul 2026 00:04:43 -0400 (EDT) Date: Thu, 9 Jul 2026 13:04:37 +0900 From: Michael Paquier To: Nathan Bossart Cc: pgsql-hackers@postgresql.org Subject: Re: remove WaitEventCustomCounterData Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="U59TykyNR76a9sRa" Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --U59TykyNR76a9sRa Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Jul 08, 2026 at 09:50:33PM -0500, Nathan Bossart wrote: > While trying to understand the extent of our spinlock usage, I noticed that > WaitEventCustomCounterData->mutex is unnecessary because the counter is > only ever accessed with WaitEventCustomLock held exclusively. So, here's a > patch to simplify matters a bit. Thoughts? Indeed. This removal sounds good to me, thanks. -- Michael --U59TykyNR76a9sRa Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEG72nH6vTowiyblFKnvQgOdbyQH0FAmpPHdUACgkQnvQgOdby QH0ULw//U/YOL4cBq/yoezPh45RcGehAv0Bhc8m/Pa5U/8Me9K36Mk2D1rhCCu9x EZoP0V59jav6lQq2m9fHOQV3KS//5CV6omml4YoUaaYl244dAiIcynlrEKYI5sAL RxRa5bpIokkQ10yrdigwcC4rkBPLYC6CfFkPGzqApOJt/FgEcPE7W7HarO5yHQd8 b+I9ux96kWN1Bcx0Z1dgBqxRHdgUYkUbu2eC3UHV8303DX6xIK27NBcKIuh/iLZB 2pQmpSRB6UbNsuqJ6fOXl31c7ZlV5xAF5tZW2izVrMA1sHv8jL43cKbqXm4FNyqj mP5gcjV+3Nx5e003Eu93BwyNhudkcvCvB5dwfDmDkWaqWMWu/QFMj9JPMaNCh8Bi BmqMWVSpPjGOOt4Y5CbfuXA/X/whWBmCvaarH6fVYjkF7jsqyAtqDnqIx+fIiofR 5bTFRuCi62rbpNFz7Ia2pTPYcoFtmSAHKnB2P0hnxxsl/O4ppiVk5hvj6buUbYuM bWO6124kQ3m3Y+87kYY+FvSYCq5wuQ2yTP1x53xg2CnZMoozYXi6J3HszPXERgAb nGFr/nIy3GJSuOFnf2kZ6sEJzL3rlJHeCGpt96clK2inKzWKlJRXSZjACo/5QppZ gO5YpEB2gkifw9/YdFB3pAz6NKW9Th9uTjmbbolmhYEnhsFz+2w= =MHMt -----END PGP SIGNATURE----- --U59TykyNR76a9sRa--