From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BCD9335287 for ; Tue, 28 Nov 2023 17:14:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Tyn9rQF5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BEA55C433C7; Tue, 28 Nov 2023 17:14:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701191677; bh=OSYiw0qliE4wxSWnfVZhEHgdDnnePBx7WErooHMw5TQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Tyn9rQF57Har0Jv+CLwhBqTpTpeoWjweB84mGZxhO1fTP/5uKsjRmObraK1uvrS97 VtE/bpe5p9bY/CKHafF57dD6AnGLD13qOTVAMSBpPESWGsUZOAqSmTUypd7ZS+uKSY m5s8LIf1vwNzmp9a8w8+zdvoOQRLUilm2EhROwkRS4uQ4NQ34qOaDIr1omNTbADCrR 2CxHSKc2Jc65E3iaUpEdPQ6U/IGFWUzDPt15M1bBy+ycvh1TU56mEyCYb94pa+LxpG FFrEH9nMB4Yi/dS+C8yur23kSlaJgQsYCLHyU30T5F+WLK/1acSLyrBPLz5FKgaGzs 8nKb7KVjjjH4A== Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id DB68640094; Tue, 28 Nov 2023 14:14:33 -0300 (-03) Date: Tue, 28 Nov 2023 14:14:33 -0300 From: Arnaldo Carvalho de Melo To: Ian Rogers Cc: Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Adrian Hunter , Nick Terrell , Kan Liang , Andi Kleen , Kajol Jain , Athira Rajeev , Huacai Chen , Masami Hiramatsu , Vincent Whitchurch , "Steinar H. Gunderson" , Liam Howlett , Miguel Ojeda , Colin Ian King , Dmitrii Dolgov <9erthalion6@gmail.com>, Yang Jihong , Ming Wang , James Clark , K Prateek Nayak , Sean Christopherson , Leo Yan , Ravi Bangoria , German Gomez , Changbin Du , Paolo Bonzini , Li Dong , Sandipan Das , liuwenyu , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Subject: Re: [PATCH v4 04/53] perf mmap: Lazily initialize zstd streams Message-ID: References: <20231102175735.2272696-1-irogers@google.com> <20231102175735.2272696-5-irogers@google.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Url: http://acmel.wordpress.com Em Mon, Nov 27, 2023 at 07:00:06PM -0300, Arnaldo Carvalho de Melo escreveu: > Em Thu, Nov 02, 2023 at 10:56:46AM -0700, Ian Rogers escreveu: > > Zstd streams create dictionaries that can require significant RAM, > > especially when there is one per-CPU. Tools like perf record won't use > > the streams without the -z option, and so the creation of the streams > > is pure overhead. Switch to creating the streams on first use. > > > > Signed-off-by: Ian Rogers > > Thanks, applied to perf-tools-next. Trying to fix this now: 6 20.59 alpine:3.18 : FAIL gcc version 12.2.1 20220924 (Alpine 12.2.1_git20220924-r10) In file included from util/zstd.c:5: /git/perf-6.6.0-rc1/tools/perf/util/compress.h:34:1: error: unknown type name 'ssize_t'; did you mean 'size_t'? 34 | ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, | ^~~~~~~ | size_t util/zstd.c:31:9: error: conflicting types for 'zstd_compress_stream_to_records'; have 'ssize_t(struct zstd_data *, void *, size_t, void *, size_t, size_t, size_t (*)(void *, size_t))' {aka 'long int(struct zstd_data *, void *, long unsigned int, void *, long unsigned int, long unsigned int, long unsigned int (*)(void *, long unsigned int))'} 31 | ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /git/perf-6.6.0-rc1/tools/perf/util/compress.h:34:9: note: previous declaration of 'zstd_compress_stream_to_records' with type 'int(struct zstd_data *, void *, size_t, void *, size_t, size_t, size_t (*)(void *, size_t))' {aka 'int(struct zstd_data *, void *, long unsigned int, void *, long unsigned int, long unsigned int, long unsigned int (*)(void *, long unsigned int))'} 34 | ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ make[3]: *** [/git/perf-6.6.0-rc1/tools/build/Makefile.build:158: util] Error 2 CC /tmp/build/perf/util/zstd.o CC /tmp/build/perf/util/cap.o CXX /tmp/build/perf/util/demangle-cxx.o CC /tmp/build/perf/util/demangle-ocaml.o In file included from util/zstd.c:5: /git/perf-6.6.0-rc1/tools/perf/util/compress.h:34:1: error: unknown type name 'ssize_t'; did you mean 'size_t'? 34 | ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, | ^~~~~~~ | size_t CC /tmp/build/perf/util/demangle-java.o util/zstd.c:31:9: error: conflicting types for 'zstd_compress_stream_to_records'; have 'ssize_t(struct zstd_data *, void *, size_t, void *, size_t, size_t, size_t (*)(void *, size_t))' {aka 'long int(struct zstd_data *, void *, long unsigned int, void *, long unsigned int, long unsigned int, long unsigned int (*)(void *, long unsigned int))'} 31 | ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /git/perf-6.6.0-rc1/tools/perf/util/compress.h:34:9: note: previous declaration of 'zstd_compress_stream_to_records' with type 'int(struct zstd_data *, void *, size_t, void *, size_t, size_t, size_t (*)(void *, size_t))' {aka 'int(struct zstd_data *, void *, long unsigned int, void *, long unsigned int, long unsigned int, long unsigned int (*)(void *, long unsigned int))'} 34 | ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, 7 21.14 alpine:edge : FAIL gcc version 13.1.1 20230722 (Alpine 13.1.1_git20230722) In file included from util/zstd.c:5: /git/perf-6.6.0-rc1/tools/perf/util/compress.h:34:1: error: unknown type name 'ssize_t'; did you mean 'size_t'? 34 | ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, | ^~~~~~~ | size_t util/zstd.c:31:9: error: conflicting types for 'zstd_compress_stream_to_records'; have 'ssize_t(struct zstd_data *, void *, size_t, void *, size_t, size_t, size_t (*)(void *, size_t))' {aka 'long int(struct zstd_data *, void *, long unsigned int, void *, long unsigned int, long unsigned int, long unsigned int (*)(void *, long unsigned int))'} 31 | ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /git/perf-6.6.0-rc1/tools/perf/util/compress.h:34:9: note: previous declaration of 'zstd_compress_stream_to_records' with type 'int(struct zstd_data *, void *, size_t, void *, size_t, size_t, size_t (*)(void *, size_t))' {aka 'int(struct zstd_data *, void *, long unsigned int, void *, long unsigned int, long unsigned int, long unsigned int (*)(void *, long unsigned int))'} 34 | ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ make[3]: *** [/git/perf-6.6.0-rc1/tools/build/Makefile.build:158: util] Error 2 CC /tmp/build/perf/util/cap.o CXX /tmp/build/perf/util/demangle-cxx.o CC /tmp/build/perf/util/demangle-ocaml.o CC /tmp/build/perf/util/demangle-java.o In file included from util/zstd.c:5: /git/perf-6.6.0-rc1/tools/perf/util/compress.h:34:1: error: unknown type name 'ssize_t'; did you mean 'size_t'? 34 | ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, | ^~~~~~~ | size_t util/zstd.c:31:9: error: conflicting types for 'zstd_compress_stream_to_records'; have 'ssize_t(struct zstd_data *, void *, size_t, void *, size_t, size_t, size_t (*)(void *, size_t))' {aka 'long int(struct zstd_data *, void *, long unsigned int, void *, long unsigned int, long unsigned int, long unsigned int (*)(void *, long unsigned int))'} 31 | ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /git/perf-6.6.0-rc1/tools/perf/util/compress.h:34:9: note: previous declaration of 'zstd_compress_stream_to_records' with type 'int(struct zstd_data *, void *, size_t, void *, size_t, size_t, size_t (*)(void *, size_t))' {aka 'int(struct zstd_data *, void *, long unsigned int, void *, long unsigned int, long unsigned int, long unsigned int (*)(void *, long unsigned int))'} 34 | ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~