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 4.94.2) (envelope-from ) id 1ulaTz-002wAV-Bi for pgsql-hackers@arkaria.postgresql.org; Mon, 11 Aug 2025 21:55:07 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1ulaSy-0043nB-3s for pgsql-hackers@arkaria.postgresql.org; Mon, 11 Aug 2025 21:54:04 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1ulaSx-0043n2-NI for pgsql-hackers@lists.postgresql.org; Mon, 11 Aug 2025 21:54:04 +0000 Received: from mail-pg1-x52c.google.com ([2607:f8b0:4864:20::52c]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96) (envelope-from ) id 1ulaSv-0005K2-0g for pgsql-hackers@lists.postgresql.org; Mon, 11 Aug 2025 21:54:03 +0000 Received: by mail-pg1-x52c.google.com with SMTP id 41be03b00d2f7-b427094abdeso4499207a12.3 for ; Mon, 11 Aug 2025 14:54:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=j-davis-com.20230601.gappssmtp.com; s=20230601; t=1754949240; x=1755554040; darn=lists.postgresql.org; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:from:to:cc:subject :date:message-id:reply-to; bh=7X2zauiPbJHlPsR0r2zTnZz7q7P6gxnQ3nSYHyUAwKE=; b=gLt++S5k+OikHi37tAPo9Qxda69GqSkzXRfpvU060DO6Y8YwPmJM1Jeg42TBfYtAP6 EGBeLRCGlPQCl4JJZXd87m5xtcsysc4NYG1ybXeyHOrrnXvIFu4+IMS2fy0QTseABz65 Bh6oV+2SLwqcTN1l0JBjBahu2Hr0WJIknyhXVmJZnhS4W/REkCY4ctM3e+SPnIGVKjG6 jP4lxwSRtc46P0lXnNLJv/NlChJFpzYrmhmOP7nQKS7Eb0GmiFgfbHQ5VnsFk5U1eSBb /B0v5CPQMmMPDwZrBhvF8jOtbZY0ozlgPFGks8hZlZ1IzuSSyV19QUeeQVWgN7f5V7S0 P96Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754949240; x=1755554040; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=7X2zauiPbJHlPsR0r2zTnZz7q7P6gxnQ3nSYHyUAwKE=; b=J8dsVKh8Jsms38M4ofUzRZf0U6OInKyrVj0IxG1dRplL2ynMA3VmQ7sg50cpql+sK6 8cLPW0V5f4fSgFs04sxgdkWDfahMHPwt1GZ/WxDzkKmtjO0xPEu460hgVG4P1gO4wanI uyoSgxoraZ6kHmCUA50d49+qI2FsLOC14ocFV8K+oVnuhxD0QuWfLJdr+TAaa6hRQGQh uecnbJBHrQZDop0kpTuc+wdGnmfMBW4pouLgJTdBpPsLuOIPj3BYoF3OpFXueuZUIBaJ rZH92tUuG/7xLqeXYk215ViddaV/xQ0WKJ5NLzYLhP8VWdWrgdRKkH3RH8VfvTu/2aKp WUbQ== X-Gm-Message-State: AOJu0YwtATurbTm1oS/hTn4/tlbqfvMgUG0EEBx0smrANyX49iaC4thb gPSWNyhPd6rOvVdCpEuGMJNKvYxyENYkPWsrnPcCoown/HpK/TMwMtETtupNy0po3Q== X-Gm-Gg: ASbGncvyvjrts64oyoBvFCN+kpYMGXewdMUHeBzqUvgvH767RRroOYAtPbkPlu11Gof reGOLA4Yn/mTkNYvBxlsWP9I6MQjLKoZqBENLEHh3X+Aofy6fJEwF66Xp6hJNeo3x2kCeJmY8Yl FXwcu2t5zefTLH5uNafXNWMqI7JcuWjVks5kjlPhY7RLPUM4RJ5mf/ijApPbMEkYot25loJ3ekG PTzQ5DbRtNVNH9kzsDtxV4XWyYXBa8eOEozvj8i0Y0WbnXod14AgjtBNJy71dwqlPDhG9/bx11m 2K8xF7NKOYmuiV4mKZpGD8ek8MrhRe7xFpGCcy3TL0CWlBdw6CbGjoeQeuviYZP2r4bqtUdCtAR y4akFNZhb0IxN7F+XYza28nJ+nMamI4K6zNXaeUpo3whDAhBcJ6F/qBiqxS7AGOY3ytBm8lAUxj bIxKY= X-Google-Smtp-Source: AGHT+IEKn2RIuCLZ4exvidFwsxE1plnGbd8UHzAWjoBKw9rHzs7BiG644/2jSiEb+PMBh4ZcEz601w== X-Received: by 2002:a17:902:d58c:b0:242:9bbc:6017 with SMTP id d9443c01a7336-242fc372b34mr14661925ad.55.1754949239898; Mon, 11 Aug 2025 14:53:59 -0700 (PDT) Received: from jeff-ws-bridge.lan (c-76-102-242-158.hsd1.ca.comcast.net. [76.102.242.158]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-241e89a3ae8sm281344715ad.144.2025.08.11.14.53.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Aug 2025 14:53:59 -0700 (PDT) Message-ID: <87c3170d0645cec732f0d7b2969c75db1b3c86c6.camel@j-davis.com> Subject: Re: Adding locks statistics From: Jeff Davis To: Greg Sabino Mullane , Bertrand Drouvot Cc: pgsql-hackers@lists.postgresql.org Date: Mon, 11 Aug 2025 14:53:58 -0700 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.52.3-0ubuntu1 MIME-Version: 1.0 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Mon, 2025-08-11 at 13:54 -0400, Greg Sabino Mullane wrote: > Great idea.=C2=A0+1.=C2=A0Here is a quick overall review to get things st= arted. Can you describe your use case? I'd like to understand whether this is useful for users, hackers, or both. Regards, Jeff Davis