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h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ckHyTXnQ2pTe5wxPLHsCP4m8XHGFsYaY2MhWKDcggC4eVCa1EdYYGONIZZviVJ59L ck6wZ4xkLMPGAPrEYdJhNkWurKID3hzx1R/NKEPbDWHBkiSqQo3pzio/sKEuB/rPI8 MZ8pU2ZtOP7qhop8G4J4GcLJmZli+xecnpPY+sKA= Date: Sat, 4 May 2024 17:29:46 +0200 From: Greg KH To: Andrii Nakryiko Cc: linux-fsdevel@vger.kernel.org, brauner@kernel.org, viro@zeniv.linux.org.uk, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 5/5] selftests/bpf: a simple benchmark tool for /proc//maps APIs Message-ID: <2024050404-rectify-romp-4fdb@gregkh> References: <20240504003006.3303334-1-andrii@kernel.org> <20240504003006.3303334-6-andrii@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240504003006.3303334-6-andrii@kernel.org> X-Rspamd-Server: rspam01 X-Stat-Signature: rdangrtftgsr918wd7pchxscct1s3efb X-Rspam-User: X-Rspamd-Queue-Id: 2599240011 X-HE-Tag: 1714836596-754649 X-HE-Meta: U2FsdGVkX1/Nt2Aykt5xZtLEDdnrhXLqfaJOE1rJIkgnKTahUpeThhM8Z2xO+xEEShWKEFtaXb9GZCggaQgVB97kFymOIaeta2LV7HA7X3O+wEzMOb7ij0cOu2DfmV3jTsRPTcdtDR0BePF6jKA239RuiZlnRA/eRsHt8Gk7EXBdp7YI9clAw6FdTz8/2XIeAp2oxce2Mgc2JxE8HQrLyhFeS0SNyVOlJNfXwgxLinPYsru9L5UCZpvXpsUj/vaSf8h4p1Vq/JG6P5Om5U9xSpCt43pM7gTK6bHuB/H4gC8/SYW3bkrkIf9h7d/qLoqNms949pN4YuuR7MCbZmvjIp++TsXll+IYKr3/BRzw5CAgbNLFLogLeY/LWoPH9lGugQDnrS4ZsHlljA85rNaV7zkhSdog7LPWuZB3V08gTafdwZ5nwHGEVAqoJt6ZFk/Oa17obOl3OpF0NKT2CQXBXg0VO64ij8D+4Bs7AUtCwqJ/Eb6XFrwuMMiaQMQJK/HPTUI3PDC4CsugaZZ/rKcYJYtJrMdAjiu9w7J8sSN+UfH84MLGKI9h1n8F8uuWqowtCnaRE13CpZwfdLQ9AnocpkcIZM4e3t7LLjB42HZZgEFYVwRk++Kqsr4EWe6m5tfEShM7uw4AOFwkriWOM6mQO/3oVyuz2te/prgosJpc1ITYeXk9JeeKXvA7A7A+0sJdIbkHAMfKLWGSpkU1x4KD86LSmEp1F+QSO/DZUvfdb21TNKLcFSuZYeCYXoVGnH4WoUxffwACrjdP5bKchY3hiOEi6Q4L5rS3Tg47asSdl3OWHBV3uw3Q/IuMTBOxVnVbdG3bVQ4s3vRxnSoH98vtlZX9FqYktexbp9kmFPubHmAlSuCs73q0PQYh1J2kjIjRfSmdBxOg4eUNm6U2y4XVZNzv4pd4gzby2jCVPmkx6MNQHfyN2zegKgssqj2bNfG3Gazol6IzgVNIpoG+wmV H/cTZSwm KOkUE0xHEmbDV9tO85DDhIY0U4fgkVk4yld0dgBGk34PKzHkNZgJkPzANUplL+lM1gzc4oqeW/isX0X8wHqiyuzwgcDYpc/ECkfgej5I4H776l9bNV0JrsAV1ePT+Xj/cUtXvUwHVp3KI31d30L3vnCwtx6sdMB49qEORrSFq1HgIHJNaUxB1k6LFUzWrBLRuoX3g2qc+E2xUNeTQIVL4NGnuzw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, May 03, 2024 at 05:30:06PM -0700, Andrii Nakryiko wrote: > Implement a simple tool/benchmark for comparing address "resolution" > logic based on textual /proc//maps interface and new binary > ioctl-based PROCFS_PROCMAP_QUERY command. Of course an artificial benchmark of "read a whole file" vs. "a tiny ioctl" is going to be different, but step back and show how this is going to be used in the real world overall. Pounding on this file is not a normal operation, right? thanks, greg k-h