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[173.198.77.218]) by smtp.gmail.com with ESMTPSA id s16-20020a17090ad49000b00234e6d2de3dsm5008918pju.11.2023.02.22.15.27.20 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Feb 2023 15:27:21 -0800 (PST) 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:to:from:from:to:cc:subject:date:message-id :reply-to; bh=e0W3dfgscBZiAke8PH+I6rrjx86D3UgfDKHKsEqF660=; b=Ltpso0nmKJOGBFLs3z7zQaNOILBRKogOVRfKAlULMB7Q7ERElbNPPRMP4KtbrDHT8v O3iJs6PcvLGuZna5jEFkLXpot/Irnr+P6C8RvXCSifn9hP8Vutb1HV16nXu0CsgdQQlS vOqjs0nraxFsn/BSYFmg9yz9uDYrqhTgRDgAFBXXoTmdOiKNKR6gvgkIGrPruSGcAP18 9kDaC/2pn/PpaGKpkKmWXp3EYYnUrpDs8wNFy+vhEWW8RL+VvTY5tJDXon8LJFDm7srd AojtGSJUN5sA37kzkNf78SbLqjf/k693+m/98NF5J4+vQVoiZdJgZOu1io76RMgeIHe5 OCzQ== 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:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=e0W3dfgscBZiAke8PH+I6rrjx86D3UgfDKHKsEqF660=; b=2TUV77F+c//dn8ImoGpLi9paO+g/KHB44DSP2e6uFZBPGxv+Qvamo3SQEooCWmu43h bBdyVbW/AzjH3yInP+6qieGuNGoqUJdfK9WWjiL3QUsuvzDJJ6dBrpA8p1SgUn5glZOu twbPZaff0hSKE5v68WCwgQuoR7XGB/QHk+A/vlX0rc15FVYpIXgMV1N7v6oLk4dsOZxd zZGe4S/xiQaoH7ZCeBaZEhD91pLYe937y50HACS/rWffTPJhH5iQagLFvucMpxvQLZrc VhUr0BKm+pPM1sJtGFrroWPqEPos1puPM9jGPiBe9DvApoZGIPI/JGYh6nGBy9Po3BDZ AjVQ== X-Gm-Message-State: AO0yUKVpkxmLpBmg/EpwSC/pNYpP79lbNcZ0FLgVKFL+Mcti4dV9ZPn7 l3r747Lvuk1HraJpUDuCJqhCpyU3Yefi46+SLvs= X-Google-Smtp-Source: AK7set+YxZCrTWLP/CGM4CV7Us7Yd0qz4xEb7TBOzWZZU7j2CxAuQlKjTPruZB2mvzNg0k7NJDiE0w== X-Received: by 2002:a17:90b:4b83:b0:236:7270:ddbf with SMTP id lr3-20020a17090b4b8300b002367270ddbfmr10681688pjb.21.1677108441872; Wed, 22 Feb 2023 15:27:21 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 03/28] accel/tcg: Use more accurate max_insns for tb_overflow Date: Wed, 22 Feb 2023 13:26:50 -1000 Message-Id: <20230222232715.15034-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230222232715.15034-1-richard.henderson@linaro.org> References: <20230222232715.15034-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::102a; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102a.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1677108572907100001 Content-Type: text/plain; charset="utf-8" Write back the number of insns that we attempt to translate, so that if we longjmp out we have a more accurate limit for the next attempt. This results in fewer restarts when some limit is consumed by few instructions. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- accel/tcg/translator.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/accel/tcg/translator.c b/accel/tcg/translator.c index fac1e8c465..62e8f28025 100644 --- a/accel/tcg/translator.c +++ b/accel/tcg/translator.c @@ -78,7 +78,7 @@ void translator_loop(CPUState *cpu, TranslationBlock *tb,= int *max_insns, plugin_enabled =3D plugin_gen_tb_start(cpu, db, cflags & CF_MEMI_ONLY); =20 while (true) { - db->num_insns++; + *max_insns =3D ++db->num_insns; ops->insn_start(db, cpu); tcg_debug_assert(db->is_jmp =3D=3D DISAS_NEXT); /* no early exit = */ =20 --=20 2.34.1