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[174.21.74.48]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22410a908a0sm51831175ad.162.2025.03.08.14.59.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 08 Mar 2025 14:59:03 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Ilya Leoshkevich , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= Subject: [PULL 01/23] linux-user/main: Allow setting tb-size Date: Sat, 8 Mar 2025 14:58:39 -0800 Message-ID: <20250308225902.1208237-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250308225902.1208237-1-richard.henderson@linaro.org> References: <20250308225902.1208237-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::629; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x629.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-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Ilya Leoshkevich While qemu-system can set tb-size using -accel tcg,tb-size=n, there is no similar knob for qemu-user. Add one in a way similar to how one-insn-per-tb is already handled. Signed-off-by: Ilya Leoshkevich Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-ID: <20240730215532.1442-1-iii@linux.ibm.com> --- linux-user/main.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/linux-user/main.c b/linux-user/main.c index 5c74c52cc5..e2ec5970be 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -72,6 +72,7 @@ char *exec_path; char real_exec_path[PATH_MAX]; static bool opt_one_insn_per_tb; +static unsigned long opt_tb_size; static const char *argv0; static const char *gdbstub; static envlist_t *envlist; @@ -425,6 +426,13 @@ static void handle_arg_one_insn_per_tb(const char *arg) opt_one_insn_per_tb = true; } +static void handle_arg_tb_size(const char *arg) +{ + if (qemu_strtoul(arg, NULL, 0, &opt_tb_size)) { + usage(EXIT_FAILURE); + } +} + static void handle_arg_strace(const char *arg) { enable_strace = true; @@ -517,6 +525,8 @@ static const struct qemu_argument arg_table[] = { {"one-insn-per-tb", "QEMU_ONE_INSN_PER_TB", false, handle_arg_one_insn_per_tb, "", "run with one guest instruction per emulated TB"}, + {"tb-size", "QEMU_TB_SIZE", true, handle_arg_tb_size, + "size", "TCG translation block cache size"}, {"strace", "QEMU_STRACE", false, handle_arg_strace, "", "log system calls"}, {"seed", "QEMU_RAND_SEED", true, handle_arg_seed, @@ -808,6 +818,8 @@ int main(int argc, char **argv, char **envp) accel_init_interfaces(ac); object_property_set_bool(OBJECT(accel), "one-insn-per-tb", opt_one_insn_per_tb, &error_abort); + object_property_set_int(OBJECT(accel), "tb-size", + opt_tb_size, &error_abort); ac->init_machine(NULL); }