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Fri, 6 Feb 2026 13:15:05 +0000 (UTC) Received: from dell-r430-03.lab.eng.brq2.redhat.com (dell-r430-03.lab.eng.brq2.redhat.com [10.37.153.18]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id A930818003F5; Fri, 6 Feb 2026 13:15:02 +0000 (UTC) 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 Subject: [PATCH 07/11] arm: add tracing events to sbsa_gwdt Date: Fri, 6 Feb 2026 14:14:34 +0100 Message-ID: <20260206131438.1857182-8-imammedo@redhat.com> In-Reply-To: <20260206131438.1857182-1-imammedo@redhat.com> References: <20260206131438.1857182-1-imammedo@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Received-SPF: pass client-ip=170.10.133.124; envelope-from=imammedo@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_H2=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Signed-off-by: Igor Mammedov --- 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 7ade5c6f18..d159e61c34 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" static const VMStateDescription vmstate_sbsa_gwdt = { .name = "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; } @@ -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; } @@ -127,6 +130,7 @@ static void sbsa_gwdt_rwrite(void *opaque, hwaddr offset, uint64_t data, unsigned size) { SBSA_GWDTState *s = SBSA_GWDT(opaque); + trace_sbsa_gwdt_refresh_write(offset, data); if (offset == SBSA_GWDT_WRR) { s->wcs &= ~(SBSA_GWDT_WCS_WS0 | SBSA_GWDT_WCS_WS1); @@ -141,6 +145,7 @@ static void sbsa_gwdt_write(void *opaque, hwaddr offset, uint64_t data, unsigned size) { SBSA_GWDTState *s = SBSA_GWDT(opaque); + trace_sbsa_gwdt_control_write(offset, data); switch (offset) { case SBSA_GWDT_WCS: s->wcs = data & SBSA_GWDT_WCS_EN; @@ -180,6 +185,7 @@ static void wdt_sbsa_gwdt_reset(DeviceState *dev) { SBSA_GWDTState *s = SBSA_GWDT(dev); + trace_sbsa_gwdt_reset(); timer_del(s->timer); s->wcs = 0; @@ -196,10 +202,12 @@ static void sbsa_gwdt_timer_sysinterrupt(void *opaque) if (!(s->wcs & SBSA_GWDT_WCS_WS0)) { s->wcs |= 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 |= 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..5be430fb9e 100644 --- a/hw/watchdog/trace-events +++ b/hw/watchdog/trace-events @@ -33,3 +33,12 @@ spapr_watchdog_expired(uint64_t num, unsigned action) "num=%" PRIu64 " action=%u # watchdog.c watchdog_perform_action(unsigned int action) "action=%u" watchdog_set_action(unsigned int action) "action=%u" + +#sbsa_gwdt.c +sbsa_gwdt_refresh_read(uint64_t addr, uint32_t value) "[0x%" PRIu64 "] -> 0x%" PRIu32 +sbsa_gwdt_refresh_write(uint64_t addr, uint32_t value) "[0x%" PRIu64 "] <- 0x%" PRIu32 +sbsa_gwdt_control_read(uint64_t addr, uint32_t value) "[0x%" PRIu64 "] -> 0x%" PRIu32 +sbsa_gwdt_control_write(uint64_t addr, uint32_t value) "[0x%" PRIu64 "] <- 0x%" PRIu32 +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 defaut state" -- 2.47.3