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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1772529971; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xD8Gm7sAoDZ6g3mqCtbrJgkIGAF1w0BbF15sQMZ+QNs=; b=A59UGyqXfex5PmA4MI8EJPNIyfRiFsslc2aG5C16cyR2CHDAaH7nC0qqH+e9zEgv1mcDrW rpVMZD17vhTVi4PndaRcyBeVYMEWpZk7L8/oMhrpiSwzuQG0MbFVsjZZr4atNAlqGDOTTW 66xFqIvr0oB7F+t4zgewRW53T0ZGh0w= X-MC-Unique: YwTlZsCUP3y2J5SoB6kF_Q-1 X-Mimecast-MFC-AGG-ID: YwTlZsCUP3y2J5SoB6kF_Q_1772529966 From: Igor Mammedov To: qemu-devel@nongnu.org Cc: mst@redhat.com, anisinha@redhat.com, pbonzini@redhat.com, peter.maydell@linaro.org, shannon.zhaosl@gmail.com, philmd@linaro.org, zhao1.liu@intel.com, rad@semihalf.com, leif.lindholm@oss.qualcomm.com, qemu-arm@nongnu.org Subject: [PATCH v2 08/21] arm: add tracing events to sbsa_gwdt Date: Tue, 3 Mar 2026 10:25:19 +0100 Message-ID: <20260303092532.2410177-9-imammedo@redhat.com> In-Reply-To: <20260303092532.2410177-1-imammedo@redhat.com> References: <20260303092532.2410177-1-imammedo@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 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=170.10.129.124; envelope-from=imammedo@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 27 X-Spam_score: 2.7 X-Spam_bar: ++ X-Spam_report: (2.7 / 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SBL_CSS=3.335, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.968, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.495, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1772530236890139100 Signed-off-by: Igor Mammedov Reviewed-by: Ani Sinha --- hw/watchdog/sbsa_gwdt.c | 8 ++++++++ hw/watchdog/trace-events | 9 +++++++++ 2 files changed, 17 insertions(+) diff --git a/hw/watchdog/sbsa_gwdt.c b/hw/watchdog/sbsa_gwdt.c index b739a3ce3c..acb970e8b3 100644 --- a/hw/watchdog/sbsa_gwdt.c +++ b/hw/watchdog/sbsa_gwdt.c @@ -24,6 +24,7 @@ #include "migration/vmstate.h" #include "qemu/log.h" #include "qemu/module.h" +#include "trace.h" =20 static const VMStateDescription vmstate_sbsa_gwdt =3D { .name =3D "sbsa-gwdt", @@ -62,6 +63,7 @@ static uint64_t sbsa_gwdt_rread(void *opaque, hwaddr addr= , unsigned int size) qemu_log_mask(LOG_GUEST_ERROR, "bad address in refresh frame read = :" " 0x%x\n", (int)addr); } + trace_sbsa_gwdt_refresh_read(addr, ret); return ret; } =20 @@ -93,6 +95,7 @@ static uint64_t sbsa_gwdt_read(void *opaque, hwaddr addr,= unsigned int size) qemu_log_mask(LOG_GUEST_ERROR, "bad address in control frame read = :" " 0x%x\n", (int)addr); } + trace_sbsa_gwdt_control_read(addr, ret); return ret; } =20 @@ -127,6 +130,7 @@ static void sbsa_gwdt_rwrite(void *opaque, hwaddr offse= t, uint64_t data, unsigned size) { SBSA_GWDTState *s =3D SBSA_GWDT(opaque); =20 + trace_sbsa_gwdt_refresh_write(offset, data); if (offset =3D=3D SBSA_GWDT_WRR) { s->wcs &=3D ~(SBSA_GWDT_WCS_WS0 | SBSA_GWDT_WCS_WS1); =20 @@ -141,6 +145,7 @@ static void sbsa_gwdt_write(void *opaque, hwaddr offset= , uint64_t data, unsigned size) { SBSA_GWDTState *s =3D SBSA_GWDT(opaque); =20 + trace_sbsa_gwdt_control_write(offset, data); switch (offset) { case SBSA_GWDT_WCS: s->wcs =3D data & SBSA_GWDT_WCS_EN; @@ -180,6 +185,7 @@ static void wdt_sbsa_gwdt_reset(DeviceState *dev) { SBSA_GWDTState *s =3D SBSA_GWDT(dev); =20 + trace_sbsa_gwdt_reset(); timer_del(s->timer); =20 s->wcs =3D 0; @@ -196,10 +202,12 @@ static void sbsa_gwdt_timer_sysinterrupt(void *opaque) =20 if (!(s->wcs & SBSA_GWDT_WCS_WS0)) { s->wcs |=3D SBSA_GWDT_WCS_WS0; + trace_sbsa_gwdt_ws0_asserted(); sbsa_gwdt_update_timer(s, TIMEOUT_REFRESH); qemu_set_irq(s->irq, 1); } else { s->wcs |=3D SBSA_GWDT_WCS_WS1; + trace_sbsa_gwdt_ws1_asserted(); qemu_log_mask(CPU_LOG_RESET, "Watchdog timer expired.\n"); /* * Reset the watchdog only if the guest gets notified about diff --git a/hw/watchdog/trace-events b/hw/watchdog/trace-events index ad3be1e9bd..a5c10882f4 100644 --- a/hw/watchdog/trace-events +++ b/hw/watchdog/trace-events @@ -33,3 +33,12 @@ spapr_watchdog_expired(uint64_t num, unsigned action) "n= um=3D%" PRIu64 " action=3D%u # watchdog.c watchdog_perform_action(unsigned int action) "action=3D%u" watchdog_set_action(unsigned int action) "action=3D%u" + +#sbsa_gwdt.c +sbsa_gwdt_refresh_read(uint64_t addr, uint32_t value) "[0x%" PRIx64 "] -> = 0x%" PRIx32 +sbsa_gwdt_refresh_write(uint64_t addr, uint64_t value) "[0x%" PRIx64 "] <-= 0x%" PRIx64 +sbsa_gwdt_control_read(uint64_t addr, uint32_t value) "[0x%" PRIx64 "] -> = 0x%" PRIx32 +sbsa_gwdt_control_write(uint64_t addr, uint64_t value) "[0x%" PRIx64 "] <-= 0x%" PRIx64 +sbsa_gwdt_ws0_asserted(void) "WS0 signal is asserted" +sbsa_gwdt_ws1_asserted(void) "WS1 signal is asserted" +sbsa_gwdt_reset(void) "reset watchdog to default state" --=20 2.47.3