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| author | Philippe Mathieu-Daudé <philmd@linaro.org> | 2025-07-01 15:08:33 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2025-07-01 15:08:33 +0100 |
| commit | d17d5cc0d68cc1dbce4a9086ce1cb8c3aebb085c (patch) | |
| tree | 1c6f14e6497cbd1eb7352544a7a4d341905517b7 | |
| parent | 4dcba9072be2c1e32f3fb676e97b098d5a9b66ad (diff) | |
| download | qemu-d17d5cc0d68cc1dbce4a9086ce1cb8c3aebb085c.zip qemu-d17d5cc0d68cc1dbce4a9086ce1cb8c3aebb085c.tar.gz qemu-d17d5cc0d68cc1dbce4a9086ce1cb8c3aebb085c.tar.bz2 | |
accel/hvf: Trace VM memory mapping
Trace memory mapped / unmapped in the guest.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250623121845.7214-8-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | accel/hvf/hvf-accel-ops.c | 6 | ||||
| -rw-r--r-- | accel/hvf/trace-events | 7 | ||||
| -rw-r--r-- | accel/hvf/trace.h | 2 | ||||
| -rw-r--r-- | meson.build | 1 |
4 files changed, 16 insertions, 0 deletions
diff --git a/accel/hvf/hvf-accel-ops.c b/accel/hvf/hvf-accel-ops.c index d60446b..b389772 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 0000000..2fd3e12 --- /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%016"PRIx64" size:0x%08"PRIx64" vaddr:%p flags:0x%02x/%c%c%c" +hvf_vm_unmap(uint64_t paddr, uint64_t size) "paddr:0x%016"PRIx64" size:0x%08"PRIx64 diff --git a/accel/hvf/trace.h b/accel/hvf/trace.h new file mode 100644 index 0000000..83a1883 --- /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/meson.build b/meson.build index dbc97bf..b5f74aa 100644 --- a/meson.build +++ b/meson.build @@ -3630,6 +3630,7 @@ if have_block endif if have_system trace_events_subdirs += [ + 'accel/hvf', 'accel/kvm', 'audio', 'backends', |