From patchwork Tue Oct 4 13:01:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Alex_Benn=C3=A9e?= X-Patchwork-Id: 12998461 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 73DE4C433FE for ; Tue, 4 Oct 2022 14:03:20 +0000 (UTC) Received: from localhost ([::1]:43400 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ofiVy-0008Pq-V1 for qemu-devel@archiver.kernel.org; Tue, 04 Oct 2022 10:03:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47804) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ofhqB-0001Lr-52 for qemu-devel@nongnu.org; Tue, 04 Oct 2022 09:20:08 -0400 Received: from mail-wr1-x433.google.com ([2a00:1450:4864:20::433]:43774) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ofhq6-0001sD-Kl for qemu-devel@nongnu.org; Tue, 04 Oct 2022 09:20:05 -0400 Received: by mail-wr1-x433.google.com with SMTP id n12so1703696wrp.10 for ; Tue, 04 Oct 2022 06:20:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=+EAMPNccITJT6MPq/SX1010khU+nXYZGC3lTu1OYiqA=; b=h7T5CIptIHcQJPhYsS1IrQ7pWxNJ4a/uUfSTQJgZS2YjArZWgcxaLzasTpbUq2vzsJ xdxxAPZ4rOBe3DQb4kU7sgLRkvX19I3Xn26zje5IyHLcgdHzJDBalv1tmD27s2xiFErt PCtioQw/6o1QmXENHc6QjjTmMJHx9vixtv8CBWp7xxlAh+02rUaVeWysH4f16aG3sFHX PFRsp2ad0dqObaqwBrvdAl2xYazy9wD4+tRWiOC5UgbG8lNq6rtPLMXrBKOcwKczTLtj 2kYtoTM06xm157pdEjW5VgRxJUlDPbjikoSh6X9YLSpxMXXp2bwtHHE7BM9rHyCcJy2z 6v1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=+EAMPNccITJT6MPq/SX1010khU+nXYZGC3lTu1OYiqA=; b=Q/qfXZX5+0HFdoABqipzrsq8j3e5GRq1kcrw6q6GHb7PEIa8ykxIfy13r/dRrbNB1d h2hswF+TdTll8hrfeiRIUWdtsrvQWWbCHaUSDs3RNDbNl0FTBT30F1DYHNGYqisOdXF0 L9aBcCfXO3dcRgkch0bR4EYZBX4sp0537aoO8M2qP8P3QpbktJy/ZDg1iO/qLqxeRT1X w/VUnqHWnNE/2iW2zjw1xchx09J+yxxABR1A1iDlss4sSEWfd20QSCvWWEZz0wFPsCnV apUKhoK346EXi8FCGgEpCAacolc+ZO7aPTCZJOk/scVTNDeVrP4406SPiIFaG7myGBZf W64A== X-Gm-Message-State: ACrzQf235P1ylkrmI+pokHXq0lPFwP52ZkH9SY8xvmHIT4RJCX2aXs83 x7mLQWjLgqHMsuxa+43Bo3VBpA== X-Google-Smtp-Source: AMsMyM5K2NdTgVRbRESyKlPawCuOhtJCCjTzooNdaUHIRX4n03CIoCqDhm1Gd2aK0yC2gztT5wz/0g== X-Received: by 2002:adf:fb05:0:b0:228:6463:b15d with SMTP id c5-20020adffb05000000b002286463b15dmr16395546wrr.534.1664889599471; Tue, 04 Oct 2022 06:19:59 -0700 (PDT) Received: from zen.linaroharston ([185.81.254.11]) by smtp.gmail.com with ESMTPSA id r18-20020a05600c35d200b003a84375d0d1sm20615327wmq.44.2022.10.04.06.19.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Oct 2022 06:19:55 -0700 (PDT) Received: from zen.lan (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 7F2C71FFD9; Tue, 4 Oct 2022 14:01:42 +0100 (BST) From: =?utf-8?q?Alex_Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: stefanha@redhat.com, =?utf-8?q?Alex_Benn=C3=A9e?= , =?utf-8?q?Philippe_M?= =?utf-8?q?athieu-Daud=C3=A9?= , Alexandre Iooss , Mahmoud Mandour Subject: [PULL 37/54] docs/devel: clean-up qemu invocations in tcg-plugins Date: Tue, 4 Oct 2022 14:01:21 +0100 Message-Id: <20221004130138.2299307-38-alex.bennee@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221004130138.2299307-1-alex.bennee@linaro.org> References: <20221004130138.2299307-1-alex.bennee@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::433; envelope-from=alex.bennee@linaro.org; helo=mail-wr1-x433.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We currently have the final binaries in the root of the build dir so the build prefix is superfluous. Additionally add a shell prompt to be more in line with the rest of the code. Signed-off-by: Alex Bennée Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20220929114231.583801-38-alex.bennee@linaro.org> diff --git a/docs/devel/tcg-plugins.rst b/docs/devel/tcg-plugins.rst index a503d44cee..a6fdde01f8 100644 --- a/docs/devel/tcg-plugins.rst +++ b/docs/devel/tcg-plugins.rst @@ -172,7 +172,7 @@ slightly faster (but not thread safe) counters. Example:: - ./aarch64-linux-user/qemu-aarch64 \ + $ qemu-aarch64 \ -plugin contrib/plugins/libhotblocks.so -d plugin \ ./tests/tcg/aarch64-linux-user/sha1 SHA1=15dd99a1991e0b3826fede3deffc1feba42278e6 @@ -186,7 +186,7 @@ Example:: Similar to hotblocks but this time tracks memory accesses:: - ./aarch64-linux-user/qemu-aarch64 \ + $ qemu-aarch64 \ -plugin contrib/plugins/libhotpages.so -d plugin \ ./tests/tcg/aarch64-linux-user/sha1 SHA1=15dd99a1991e0b3826fede3deffc1feba42278e6 @@ -220,7 +220,7 @@ counted. You can give a value to the ``count`` argument for a class of instructions to break it down fully, so for example to see all the system registers accesses:: - ./aarch64-softmmu/qemu-system-aarch64 $(QEMU_ARGS) \ + $ qemu-system-aarch64 $(QEMU_ARGS) \ -append "root=/dev/sda2 systemd.unit=benchmark.service" \ -smp 4 -plugin ./contrib/plugins/libhowvec.so,count=sreg -d plugin @@ -288,10 +288,10 @@ for the plugin is a path for the socket the two instances will communicate over:: - ./sparc-softmmu/qemu-system-sparc -monitor none -parallel none \ + $ qemu-system-sparc -monitor none -parallel none \ -net none -M SS-20 -m 256 -kernel day11/zImage.elf \ -plugin ./contrib/plugins/liblockstep.so,sockpath=lockstep-sparc.sock \ - -d plugin,nochain + -d plugin,nochain which will eventually report:: @@ -348,7 +348,7 @@ Please be aware that this will generate a lot of output. The plugin needs default argument:: - qemu-system-arm $(QEMU_ARGS) \ + $ qemu-system-arm $(QEMU_ARGS) \ -plugin ./contrib/plugins/libexeclog.so -d plugin which will output an execution trace following this structure:: @@ -365,10 +365,10 @@ which will output an execution trace following this structure:: 0, 0x10c8, 0xfff96c43, "ldr r3, [r0, #0x44]", load, 0x200000e4, RAM the output can be filtered to only track certain instructions or -addresses using the `ifilter` or `afilter` options. You can stack the +addresses using the ``ifilter`` or ``afilter`` options. You can stack the arguments if required:: - qemu-system-arm $(QEMU_ARGS) \ + $ qemu-system-arm $(QEMU_ARGS) \ -plugin ./contrib/plugins/libexeclog.so,ifilter=st1w,afilter=0x40001808 -d plugin - contrib/plugins/cache.c @@ -377,7 +377,7 @@ Cache modelling plugin that measures the performance of a given L1 cache configuration, and optionally a unified L2 per-core cache when a given working set is run:: - qemu-x86_64 -plugin ./contrib/plugins/libcache.so \ + $ qemu-x86_64 -plugin ./contrib/plugins/libcache.so \ -d plugin -D cache.log ./tests/tcg/x86_64-linux-user/float_convs will report the following::