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([102.35.208.160]) by smtp.gmail.com with ESMTPSA id tj7-20020a170907c24700b00a413d1eda4bsm4806136ejc.87.2024.03.04.05.01.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Mar 2024 05:01:26 -0800 (PST) From: Pierrick Bouvier To: qemu-devel@nongnu.org Cc: Yanan Wang , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Mahmoud Mandour , Pierrick Bouvier , Alexandre Iooss , =?utf-8?q?Alex_Benn=C3=A9e?= , Richard Henderson , Eduardo Habkost , Marcel Apfelbaum , Paolo Bonzini , Luc Michel Subject: [PATCH v7 06/12] tests/plugin/mem: migrate to new per_vcpu API Date: Mon, 4 Mar 2024 17:00:30 +0400 Message-Id: <20240304130036.124418-7-pierrick.bouvier@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240304130036.124418-1-pierrick.bouvier@linaro.org> References: <20240304130036.124418-1-pierrick.bouvier@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::52d; envelope-from=pierrick.bouvier@linaro.org; helo=mail-ed1-x52d.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Reviewed-by: Luc Michel Signed-off-by: Pierrick Bouvier --- tests/plugin/mem.c | 46 ++++++++++++++++++++++++++------------- tests/tcg/Makefile.target | 2 +- 2 files changed, 32 insertions(+), 16 deletions(-) diff --git a/tests/plugin/mem.c b/tests/plugin/mem.c index 44e91065ba7..b650dddcce1 100644 --- a/tests/plugin/mem.c +++ b/tests/plugin/mem.c @@ -16,9 +16,14 @@ QEMU_PLUGIN_EXPORT int qemu_plugin_version = QEMU_PLUGIN_VERSION; -static uint64_t inline_mem_count; -static uint64_t cb_mem_count; -static uint64_t io_count; +typedef struct { + uint64_t mem_count; + uint64_t io_count; +} CPUCount; + +static struct qemu_plugin_scoreboard *counts; +static qemu_plugin_u64 mem_count; +static qemu_plugin_u64 io_count; static bool do_inline, do_callback; static bool do_haddr; static enum qemu_plugin_mem_rw rw = QEMU_PLUGIN_MEM_RW; @@ -27,16 +32,16 @@ static void plugin_exit(qemu_plugin_id_t id, void *p) { g_autoptr(GString) out = g_string_new(""); - if (do_inline) { - g_string_printf(out, "inline mem accesses: %" PRIu64 "\n", inline_mem_count); - } - if (do_callback) { - g_string_append_printf(out, "callback mem accesses: %" PRIu64 "\n", cb_mem_count); + if (do_inline || do_callback) { + g_string_printf(out, "mem accesses: %" PRIu64 "\n", + qemu_plugin_u64_sum(mem_count)); } if (do_haddr) { - g_string_append_printf(out, "io accesses: %" PRIu64 "\n", io_count); + g_string_append_printf(out, "io accesses: %" PRIu64 "\n", + qemu_plugin_u64_sum(io_count)); } qemu_plugin_outs(out->str); + qemu_plugin_scoreboard_free(counts); } static void vcpu_mem(unsigned int cpu_index, qemu_plugin_meminfo_t meminfo, @@ -46,12 +51,12 @@ static void vcpu_mem(unsigned int cpu_index, qemu_plugin_meminfo_t meminfo, struct qemu_plugin_hwaddr *hwaddr; hwaddr = qemu_plugin_get_hwaddr(meminfo, vaddr); if (qemu_plugin_hwaddr_is_io(hwaddr)) { - io_count++; + qemu_plugin_u64_add(io_count, cpu_index, 1); } else { - cb_mem_count++; + qemu_plugin_u64_add(mem_count, cpu_index, 1); } } else { - cb_mem_count++; + qemu_plugin_u64_add(mem_count, cpu_index, 1); } } @@ -64,9 +69,10 @@ static void vcpu_tb_trans(qemu_plugin_id_t id, struct qemu_plugin_tb *tb) struct qemu_plugin_insn *insn = qemu_plugin_tb_get_insn(tb, i); if (do_inline) { - qemu_plugin_register_vcpu_mem_inline(insn, rw, - QEMU_PLUGIN_INLINE_ADD_U64, - &inline_mem_count, 1); + qemu_plugin_register_vcpu_mem_inline_per_vcpu( + insn, rw, + QEMU_PLUGIN_INLINE_ADD_U64, + mem_count, 1); } if (do_callback) { qemu_plugin_register_vcpu_mem_cb(insn, vcpu_mem, @@ -117,6 +123,16 @@ QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin_id_t id, } } + if (do_inline && do_callback) { + fprintf(stderr, + "can't enable inline and callback counting at the same time\n"); + return -1; + } + + counts = qemu_plugin_scoreboard_new(sizeof(CPUCount)); + mem_count = qemu_plugin_scoreboard_u64_in_struct( + counts, CPUCount, mem_count); + io_count = qemu_plugin_scoreboard_u64_in_struct(counts, CPUCount, io_count); qemu_plugin_register_vcpu_tb_trans_cb(id, vcpu_tb_trans); qemu_plugin_register_atexit_cb(id, plugin_exit, NULL); return 0; diff --git a/tests/tcg/Makefile.target b/tests/tcg/Makefile.target index a4c25908fb7..f21be50d3b2 100644 --- a/tests/tcg/Makefile.target +++ b/tests/tcg/Makefile.target @@ -168,7 +168,7 @@ RUN_TESTS+=$(EXTRA_RUNS) # Some plugins need additional arguments above the default to fully # exercise things. We can define them on a per-test basis here. -run-plugin-%-with-libmem.so: PLUGIN_ARGS=$(COMMA)inline=true$(COMMA)callback=true +run-plugin-%-with-libmem.so: PLUGIN_ARGS=$(COMMA)inline=true ifeq ($(filter %-softmmu, $(TARGET)),) run-%: %