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Fri, 05 Jul 2024 01:47:20 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Wainer dos Santos Moschetta , Beraldo Leal , David Hildenbrand , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Pierrick Bouvier , Alexandre Iooss , Thomas Huth , Mahmoud Mandour , Peter Maydell , qemu-arm@nongnu.org, Aleksandar Rikalo , Mads Ynddal , Yanan Wang , Eduardo Habkost , Peter Xu , Richard Henderson , Marcel Apfelbaum , Paul Burton , Stefan Hajnoczi , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Laurent Vivier Subject: [PATCH v2 21/40] test/plugin: make insn plugin less noisy by default Date: Fri, 5 Jul 2024 09:40:28 +0100 Message-Id: <20240705084047.857176-22-alex.bennee@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240705084047.857176-1-alex.bennee@linaro.org> References: <20240705084047.857176-1-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::534; envelope-from=alex.bennee@linaro.org; helo=mail-ed1-x534.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: 1720169394428100002 While the match functionality is useful lets make the verbosity optional while we are actually running. Signed-off-by: Alex Benn=C3=A9e Reviewed-by: Manos Pitsidianakis --- tests/plugin/insn.c | 36 +++++++++++++++++++++--------------- 1 file changed, 21 insertions(+), 15 deletions(-) diff --git a/tests/plugin/insn.c b/tests/plugin/insn.c index 5e0aa03223..524f9ddde8 100644 --- a/tests/plugin/insn.c +++ b/tests/plugin/insn.c @@ -20,6 +20,7 @@ static qemu_plugin_u64 insn_count; =20 static bool do_inline; static bool do_size; +static bool do_trace; static GArray *sizes; =20 typedef struct { @@ -73,30 +74,30 @@ static void vcpu_insn_matched_exec_before(unsigned int = cpu_index, void *udata) MatchCount *match =3D qemu_plugin_scoreboard_find(insn_match->counts, cpu_index); =20 - g_autoptr(GString) ts =3D g_string_new(""); - insn->hits++; - g_string_append_printf(ts, "0x%" PRIx64 ", '%s', %"PRId64 " hits", - insn->vaddr, insn->disas, insn->hits); =20 uint64_t icount =3D qemu_plugin_u64_get(insn_count, cpu_index); uint64_t delta =3D icount - match->last_hit; =20 match->hits++; match->total_delta +=3D delta; - - g_string_append_printf(ts, - " , cpu %u," - " %"PRId64" match hits," - " =CE=94+%"PRId64 " since last match," - " %"PRId64 " avg insns/match\n", - cpu_index, - match->hits, delta, - match->total_delta / match->hits); - match->last_hit =3D icount; =20 - qemu_plugin_outs(ts->str); + if (do_trace) { + g_autoptr(GString) ts =3D g_string_new(""); + g_string_append_printf(ts, "0x%" PRIx64 ", '%s', %"PRId64 " hits", + insn->vaddr, insn->disas, insn->hits); + g_string_append_printf(ts, + " , cpu %u," + " %"PRId64" match hits," + " =CE=94+%"PRId64 " since last match," + " %"PRId64 " avg insns/match\n", + cpu_index, + match->hits, delta, + match->total_delta / match->hits); + + qemu_plugin_outs(ts->str); + } } =20 static void vcpu_tb_trans(qemu_plugin_id_t id, struct qemu_plugin_tb *tb) @@ -216,6 +217,11 @@ QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin= _id_t id, } } else if (g_strcmp0(tokens[0], "match") =3D=3D 0) { parse_match(tokens[1]); + } else if (g_strcmp0(tokens[0], "trace") =3D=3D 0) { + if (!qemu_plugin_bool_parse(tokens[0], tokens[1], &do_trace)) { + fprintf(stderr, "boolean argument parsing failed: %s\n", o= pt); + return -1; + } } else { fprintf(stderr, "option parsing failed: %s\n", opt); return -1; --=20 2.39.2