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Wed, 06 Mar 2024 06:48:57 -0800 (PST) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Pierrick Bouvier , Luc Michel , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Alexandre Iooss , Mahmoud Mandour Subject: [PULL 21/29] tests/plugin/bb: migrate to new per_vcpu API Date: Wed, 6 Mar 2024 14:40:33 +0000 Message-Id: <20240306144041.3787188-22-alex.bennee@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240306144041.3787188-1-alex.bennee@linaro.org> References: <20240306144041.3787188-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=2a00:1450:4864:20::329; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x329.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, T_SCC_BODY_TEXT_LINE=-0.01 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: 1709736622332100001 From: Pierrick Bouvier Reviewed-by: Luc Michel Reviewed-by: Alex Benn=C3=A9e Signed-off-by: Pierrick Bouvier Message-Id: <20240304130036.124418-9-pierrick.bouvier@linaro.org> Signed-off-by: Alex Benn=C3=A9e Message-Id: <20240305121005.3528075-22-alex.bennee@linaro.org> diff --git a/tests/plugin/bb.c b/tests/plugin/bb.c index df50d1fd3bc..36776dee1e1 100644 --- a/tests/plugin/bb.c +++ b/tests/plugin/bb.c @@ -17,27 +17,25 @@ QEMU_PLUGIN_EXPORT int qemu_plugin_version =3D QEMU_PLUGIN_VERSION; =20 typedef struct { - GMutex lock; - int index; uint64_t bb_count; uint64_t insn_count; } CPUCount; =20 -/* Used by the inline & linux-user counts */ -static bool do_inline; -static CPUCount inline_count; +static struct qemu_plugin_scoreboard *counts; +static qemu_plugin_u64 bb_count; +static qemu_plugin_u64 insn_count; =20 +static bool do_inline; /* Dump running CPU total on idle? */ static bool idle_report; -static GPtrArray *counts; -static int max_cpus; =20 -static void gen_one_cpu_report(CPUCount *count, GString *report) +static void gen_one_cpu_report(CPUCount *count, GString *report, + unsigned int cpu_index) { if (count->bb_count) { g_string_append_printf(report, "CPU%d: " "bb's: %" PRIu64", insns: %" PRIu64 "\n", - count->index, + cpu_index, count->bb_count, count->insn_count); } } @@ -46,20 +44,23 @@ static void plugin_exit(qemu_plugin_id_t id, void *p) { g_autoptr(GString) report =3D g_string_new(""); =20 - if (do_inline || !max_cpus) { - g_string_printf(report, "bb's: %" PRIu64", insns: %" PRIu64 "\n", - inline_count.bb_count, inline_count.insn_count); - } else { - g_ptr_array_foreach(counts, (GFunc) gen_one_cpu_report, report); + for (int i =3D 0; i < qemu_plugin_num_vcpus(); ++i) { + CPUCount *count =3D qemu_plugin_scoreboard_find(counts, i); + gen_one_cpu_report(count, report, i); } + g_string_append_printf(report, "Total: " + "bb's: %" PRIu64", insns: %" PRIu64 "\n", + qemu_plugin_u64_sum(bb_count), + qemu_plugin_u64_sum(insn_count)); qemu_plugin_outs(report->str); + qemu_plugin_scoreboard_free(counts); } =20 static void vcpu_idle(qemu_plugin_id_t id, unsigned int cpu_index) { - CPUCount *count =3D g_ptr_array_index(counts, cpu_index); + CPUCount *count =3D qemu_plugin_scoreboard_find(counts, cpu_index); g_autoptr(GString) report =3D g_string_new(""); - gen_one_cpu_report(count, report); + gen_one_cpu_report(count, report, cpu_index); =20 if (report->len > 0) { g_string_prepend(report, "Idling "); @@ -69,14 +70,11 @@ static void vcpu_idle(qemu_plugin_id_t id, unsigned int= cpu_index) =20 static void vcpu_tb_exec(unsigned int cpu_index, void *udata) { - CPUCount *count =3D max_cpus ? - g_ptr_array_index(counts, cpu_index) : &inline_count; + CPUCount *count =3D qemu_plugin_scoreboard_find(counts, cpu_index); =20 uintptr_t n_insns =3D (uintptr_t)udata; - g_mutex_lock(&count->lock); count->insn_count +=3D n_insns; count->bb_count++; - g_mutex_unlock(&count->lock); } =20 static void vcpu_tb_trans(qemu_plugin_id_t id, struct qemu_plugin_tb *tb) @@ -84,11 +82,10 @@ static void vcpu_tb_trans(qemu_plugin_id_t id, struct q= emu_plugin_tb *tb) size_t n_insns =3D qemu_plugin_tb_n_insns(tb); =20 if (do_inline) { - qemu_plugin_register_vcpu_tb_exec_inline(tb, QEMU_PLUGIN_INLINE_AD= D_U64, - &inline_count.bb_count, 1= ); - qemu_plugin_register_vcpu_tb_exec_inline(tb, QEMU_PLUGIN_INLINE_AD= D_U64, - &inline_count.insn_count, - n_insns); + qemu_plugin_register_vcpu_tb_exec_inline_per_vcpu( + tb, QEMU_PLUGIN_INLINE_ADD_U64, bb_count, 1); + qemu_plugin_register_vcpu_tb_exec_inline_per_vcpu( + tb, QEMU_PLUGIN_INLINE_ADD_U64, insn_count, n_insns); } else { qemu_plugin_register_vcpu_tb_exec_cb(tb, vcpu_tb_exec, QEMU_PLUGIN_CB_NO_REGS, @@ -121,18 +118,10 @@ QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugi= n_id_t id, } } =20 - if (info->system_emulation && !do_inline) { - max_cpus =3D info->system.max_vcpus; - counts =3D g_ptr_array_new(); - for (i =3D 0; i < max_cpus; i++) { - CPUCount *count =3D g_new0(CPUCount, 1); - g_mutex_init(&count->lock); - count->index =3D i; - g_ptr_array_add(counts, count); - } - } else if (!do_inline) { - g_mutex_init(&inline_count.lock); - } + counts =3D qemu_plugin_scoreboard_new(sizeof(CPUCount)); + bb_count =3D qemu_plugin_scoreboard_u64_in_struct(counts, CPUCount, bb= _count); + insn_count =3D qemu_plugin_scoreboard_u64_in_struct( + counts, CPUCount, insn_count); =20 if (idle_report) { qemu_plugin_register_vcpu_idle_cb(id, vcpu_idle); --=20 2.39.2