diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
index 60d6eb5f245b7..fc7979bd91db5 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -1007,6 +1007,8 @@
 #define   GEN11_LSN_UNSLCVC_GAFS_HALF_CL2_MAXALLOC	(1 << 9)
 #define   GEN11_LSN_UNSLCVC_GAFS_HALF_SF_MAXALLOC	(1 << 7)
 
+#define GUCPMTIMESTAMP				_MMIO(0xc3e8)
+
 #define __GEN9_RCS0_MOCS0			0xc800
 #define GEN9_GFX_MOCS(i)			_MMIO(__GEN9_RCS0_MOCS0 + (i) * 4)
 #define __GEN9_VCS0_MOCS0			0xc900
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
index 2706a8c650900..ab4aacc516aa4 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
@@ -389,6 +389,25 @@ void intel_guc_write_params(struct intel_guc *guc)
 	intel_uncore_forcewake_put(uncore, FORCEWAKE_GT);
 }
 
+void intel_guc_dump_time_info(struct intel_guc *guc, struct drm_printer *p)
+{
+	struct intel_gt *gt = guc_to_gt(guc);
+	intel_wakeref_t wakeref;
+	u32 stamp = 0;
+	u64 ktime;
+
+	intel_device_info_print_runtime(RUNTIME_INFO(gt->i915), p);
+
+	with_intel_runtime_pm(&gt->i915->runtime_pm, wakeref)
+		stamp = intel_uncore_read(gt->uncore, GUCPMTIMESTAMP);
+	ktime = ktime_get_boottime_ns();
+
+	drm_printf(p, "Kernel timestamp: 0x%08llX [%llu]\n", ktime, ktime);
+	drm_printf(p, "GuC timestamp: 0x%08X [%u]\n", stamp, stamp);
+	drm_printf(p, "CS timestamp frequency: %u Hz, %u ns\n",
+		   gt->clock_frequency, gt->clock_period_ns);
+}
+
 int intel_guc_init(struct intel_guc *guc)
 {
 	struct intel_gt *gt = guc_to_gt(guc);
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
index a7acffbf15d1f..804133df1ac9b 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
@@ -464,4 +464,6 @@ void intel_guc_load_status(struct intel_guc *guc, struct drm_printer *p);
 
 void intel_guc_write_barrier(struct intel_guc *guc);
 
+void intel_guc_dump_time_info(struct intel_guc *guc, struct drm_printer *p);
+
 #endif
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
index 991d4a02248dc..07d31ae32f765 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
@@ -764,6 +764,8 @@ int intel_guc_log_dump(struct intel_guc_log *log, struct drm_printer *p,
 	if (!obj)
 		return 0;
 
+	intel_guc_dump_time_info(guc, p);
+
 	map = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WC);
 	if (IS_ERR(map)) {
 		DRM_DEBUG("Failed to pin object\n");
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 32e92651ef7c2..addba75252343 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -678,6 +678,7 @@ static void err_print_uc(struct drm_i915_error_state_buf *m,
 
 	intel_uc_fw_dump(&error_uc->guc_fw, &p);
 	intel_uc_fw_dump(&error_uc->huc_fw, &p);
+	err_printf(m, "GuC timestamp: 0x%08x\n", error_uc->timestamp);
 	intel_gpu_error_print_vma(m, NULL, error_uc->guc_log);
 }
 
@@ -720,6 +721,8 @@ static void err_print_gt_global_nonguc(struct drm_i915_error_state_buf *m,
 	int i;
 
 	err_printf(m, "GT awake: %s\n", str_yes_no(gt->awake));
+	err_printf(m, "CS timestamp frequency: %u Hz, %d ns\n",
+		   gt->clock_frequency, gt->clock_period_ns);
 	err_printf(m, "EIR: 0x%08x\n", gt->eir);
 	err_printf(m, "PGTBL_ER: 0x%08x\n", gt->pgtbl_er);
 
@@ -1675,6 +1678,13 @@ gt_record_uc(struct intel_gt_coredump *gt,
 	 */
 	error_uc->guc_fw.path = kstrdup(uc->guc.fw.path, ALLOW_FAIL);
 	error_uc->huc_fw.path = kstrdup(uc->huc.fw.path, ALLOW_FAIL);
+
+	/*
+	 * Save the GuC log and include a timestamp reference for converting the
+	 * log times to system times (in conjunction with the error->boottime and
+	 * gt->clock_frequency fields saved elsewhere).
+	 */
+	error_uc->timestamp = intel_uncore_read(gt->_gt->uncore, GUCPMTIMESTAMP);
 	error_uc->guc_log = create_vma_coredump(gt->_gt, uc->guc.log.vma,
 						"GuC log buffer", compress);
 
@@ -1833,6 +1843,8 @@ static void gt_record_global_regs(struct intel_gt_coredump *gt)
 static void gt_record_info(struct intel_gt_coredump *gt)
 {
 	memcpy(&gt->info, &gt->_gt->info, sizeof(struct intel_gt_info));
+	gt->clock_frequency = gt->_gt->clock_frequency;
+	gt->clock_period_ns = gt->_gt->clock_period_ns;
 }
 
 /*
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.h b/drivers/gpu/drm/i915/i915_gpu_error.h
index 55a143b92d10e..d8a8b3d529e09 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.h
+++ b/drivers/gpu/drm/i915/i915_gpu_error.h
@@ -150,6 +150,8 @@ struct intel_gt_coredump {
 	u32 gtt_cache;
 	u32 aux_err; /* gen12 */
 	u32 gam_done; /* gen12 */
+	u32 clock_frequency;
+	u32 clock_period_ns;
 
 	/* Display related */
 	u32 derrmr;
@@ -164,6 +166,7 @@ struct intel_gt_coredump {
 		struct intel_uc_fw guc_fw;
 		struct intel_uc_fw huc_fw;
 		struct i915_vma_coredump *guc_log;
+		u32 timestamp;
 		bool is_guc_capture;
 	} *uc;
 
