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Fri, 22 Aug 2025 05:27:29 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGU7A19ydCpL2O+lkkgt0SsGbTeiqI/mzkK+rzUtkhPUYTGPWIN/7e+Jq90QazMrP+E5hPGwA== X-Received: by 2002:a05:600c:4715:b0:456:1923:7549 with SMTP id 5b1f17b1804b1-45b517d294dmr21278555e9.26.1755865649351; Fri, 22 Aug 2025 05:27:29 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: tanishdesai37@gmail.com, stefanha@redhat.com, berrange@redhat.com, mads@ynddal.dk Subject: [PATCH 12/14] tracetool/log: add Rust support Date: Fri, 22 Aug 2025 14:26:53 +0200 Message-ID: <20250822122655.1353197-13-pbonzini@redhat.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250822122655.1353197-1-pbonzini@redhat.com> References: <20250822122655.1353197-1-pbonzini@redhat.com> 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=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-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 @redhat.com) X-ZM-MESSAGEID: 1755873586522124100 Content-Type: text/plain; charset="utf-8" From: Tanish Desai Signed-off-by: Tanish Desai Signed-off-by: Paolo Bonzini --- scripts/tracetool/backend/log.py | 10 ++++++- tests/tracetool/log.rs | 45 +++++++++++++++++++++++++++++++ tests/tracetool/tracetool-test.py | 2 +- 3 files changed, 55 insertions(+), 2 deletions(-) create mode 100644 tests/tracetool/log.rs diff --git a/scripts/tracetool/backend/log.py b/scripts/tracetool/backend/l= og.py index 2aa180f4b47..c167f30cf2c 100644 --- a/scripts/tracetool/backend/log.py +++ b/scripts/tracetool/backend/log.py @@ -12,7 +12,7 @@ __email__ =3D "stefanha@redhat.com" =20 =20 -from tracetool import out +from tracetool import out, expand_format_string =20 =20 PUBLIC =3D True @@ -44,3 +44,11 @@ def generate_h(event, group): def generate_h_backend_dstate(event, group): out(' trace_event_get_state_dynamic_by_id(%(event_id)s) || \\', event_id=3D"TRACE_" + event.name.upper()) + +def generate_rs(event, group): + out(' let format_string =3D c"%(fmt)s\\n";', + ' if (unsafe { bindings::qemu_loglevel } & bindings::LOG_TR= ACE) !=3D 0 {', + ' unsafe { bindings::qemu_log(format_string.as_ptr() as= *const c_char, %(args)s);}', + ' }', + fmt=3Dexpand_format_string(event.fmt, event.name + " "), + args=3Devent.args.rust_call_varargs()) diff --git a/tests/tracetool/log.rs b/tests/tracetool/log.rs new file mode 100644 index 00000000000..fc95adafa46 --- /dev/null +++ b/tests/tracetool/log.rs @@ -0,0 +1,45 @@ +// This file is autogenerated by tracetool, do not edit. + +#[allow(unused_imports)] +use std::ffi::c_char; +#[allow(unused_imports)] +use qemu_api::bindings; + +#[inline(always)] +fn trace_event_get_state_dynamic_by_id(_id: u16) -> bool { + unsafe { (trace_events_enabled_count !=3D 0) && (_id !=3D 0) } +} + +extern "C" { + static mut trace_events_enabled_count: u32; +} +extern "C" { + static mut _TRACE_TEST_BLAH_DSTATE: u16; + static mut _TRACE_TEST_WIBBLE_DSTATE: u16; +} +const _TRACE_TEST_BLAH_ENABLED: bool =3D true; +const _TRACE_TEST_WIBBLE_ENABLED: bool =3D true; + +#[inline(always)] +#[allow(dead_code)] +pub fn trace_test_blah(_context: *mut (), _filename: &std::ffi::CStr) +{ + if trace_event_get_state_dynamic_by_id(unsafe { _TRACE_TEST_BLAH_DSTAT= E}) { + let format_string =3D c"test_blah Blah context=3D%p filename=3D%s\= n"; + if (unsafe { bindings::qemu_loglevel } & bindings::LOG_TRACE) !=3D= 0 { + unsafe { bindings::qemu_log(format_string.as_ptr() as *const c= _char, _context, _filename.as_ptr());} + } + } +} + +#[inline(always)] +#[allow(dead_code)] +pub fn trace_test_wibble(_context: *mut (), _value: std::ffi::c_int) +{ + if trace_event_get_state_dynamic_by_id(unsafe { _TRACE_TEST_WIBBLE_DST= ATE}) { + let format_string =3D c"test_wibble Wibble context=3D%p value=3D%d= \n"; + if (unsafe { bindings::qemu_loglevel } & bindings::LOG_TRACE) !=3D= 0 { + unsafe { bindings::qemu_log(format_string.as_ptr() as *const c= _char, _context, _value);} + } + } +} diff --git a/tests/tracetool/tracetool-test.py b/tests/tracetool/tracetool-= test.py index ad7dd667288..5e5b16e2856 100755 --- a/tests/tracetool/tracetool-test.py +++ b/tests/tracetool/tracetool-test.py @@ -13,7 +13,7 @@ def get_formats(backend): "c", "h", ] - if backend in {"simple"}: + if backend in {"log", "simple"}: formats +=3D ["rs"] if backend =3D=3D "dtrace": formats +=3D [ --=20 2.50.1