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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a568a547ecsm19782672f8f.17.2025.06.19.06.13.58 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 19 Jun 2025 06:13:59 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Cameron Esfahani , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Julian Armistead , Radoslaw Biernacki , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Phil Dennis-Jordan , =?utf-8?q?Alex_Benn=C3=A9e?= , =?utf-8?q?Daniel_P?= =?utf-8?q?=2E_Berrang=C3=A9?= , Paolo Bonzini , Peter Maydell , Leif Lindholm , Pierrick Bouvier , Richard Henderson , qemu-arm@nongnu.org, Roman Bolshakov , Alexander Graf Subject: [PATCH 07/20] accel/hvf: Trace VM memory mapping Date: Thu, 19 Jun 2025 15:13:06 +0200 Message-ID: <20250619131319.47301-8-philmd@linaro.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250619131319.47301-1-philmd@linaro.org> References: <20250619131319.47301-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::334; envelope-from=philmd@linaro.org; helo=mail-wm1-x334.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=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Trace memory mapped / unmapped in the guest. Signed-off-by: Philippe Mathieu-Daudé --- meson.build | 1 + accel/hvf/trace.h | 2 ++ accel/hvf/hvf-accel-ops.c | 6 ++++++ accel/hvf/trace-events | 7 +++++++ 4 files changed, 16 insertions(+) create mode 100644 accel/hvf/trace.h create mode 100644 accel/hvf/trace-events diff --git a/meson.build b/meson.build index 34729c2a3dd..5004678a26b 100644 --- a/meson.build +++ b/meson.build @@ -3633,6 +3633,7 @@ if have_block endif if have_system trace_events_subdirs += [ + 'accel/hvf', 'accel/kvm', 'audio', 'backends', diff --git a/accel/hvf/trace.h b/accel/hvf/trace.h new file mode 100644 index 00000000000..83a1883343a --- /dev/null +++ b/accel/hvf/trace.h @@ -0,0 +1,2 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#include "trace/trace-accel_hvf.h" diff --git a/accel/hvf/hvf-accel-ops.c b/accel/hvf/hvf-accel-ops.c index d60446b85b8..b38977207d2 100644 --- a/accel/hvf/hvf-accel-ops.c +++ b/accel/hvf/hvf-accel-ops.c @@ -59,6 +59,7 @@ #include "system/hvf_int.h" #include "system/runstate.h" #include "qemu/guest-random.h" +#include "trace.h" HVFState *hvf_state; @@ -97,6 +98,7 @@ static int do_hvf_set_memory(hvf_slot *slot, hv_memory_flags_t flags) if (macslot->present) { if (macslot->size != slot->size) { macslot->present = 0; + trace_hvf_vm_unmap(macslot->gpa_start, macslot->size); ret = hv_vm_unmap(macslot->gpa_start, macslot->size); assert_hvf_ok(ret); } @@ -109,6 +111,10 @@ static int do_hvf_set_memory(hvf_slot *slot, hv_memory_flags_t flags) macslot->present = 1; macslot->gpa_start = slot->start; macslot->size = slot->size; + trace_hvf_vm_map(slot->start, slot->size, slot->mem, flags, + flags & HV_MEMORY_READ ? 'R' : '-', + flags & HV_MEMORY_WRITE ? 'W' : '-', + flags & HV_MEMORY_EXEC ? 'E' : '-'); ret = hv_vm_map(slot->mem, slot->start, slot->size, flags); assert_hvf_ok(ret); return 0; diff --git a/accel/hvf/trace-events b/accel/hvf/trace-events new file mode 100644 index 00000000000..3c11f69f305 --- /dev/null +++ b/accel/hvf/trace-events @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# +# See docs/devel/tracing.rst for syntax documentation. + +# hvf-accel-ops.c +hvf_vm_map(uint64_t paddr, uint64_t size, void *vaddr, uint8_t flags, const char r, const char w, const char e) "paddr:0x%016llx size:0x%08llx vaddr:%p flags:0x%02x/%c%c%c" +hvf_vm_unmap(uint64_t paddr, uint64_t size) "paddr:0x%016llx size:0x%08llx"