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From 58efb548d48964d4ff7bdcebdb97ec10e708e5ed Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
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Date: Wed, 13 Dec 2017 13:39:06 +0100
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Subject: [PATCH 35/41] scripts/dump-guest-memory.py: Improve python 3
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compatibility
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Marc-André Lureau <marcandre.lureau@redhat.com>
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Message-id: <20171213133912.26176-36-marcandre.lureau@redhat.com>
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Patchwork-id: 78385
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O-Subject: [RHEL-7.5 qemu-kvm PATCH v3 35/41] scripts/dump-guest-memory.py: Improve python 3 compatibility
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Bugzilla: 1411490
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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From: Janosch Frank <frankja@linux.vnet.ibm.com>
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This commit does not make the script python 3 compatible, it is a
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preparation that fixes the easy and common incompatibilities.
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Print is a function in python 3 and therefore needs braces around its
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arguments.
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Range does not cast a gdb.Value object to int in python 3, we have to
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do it ourselves.
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Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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Signed-off-by: Janosch Frank <frankja@linux.vnet.ibm.com>
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Message-Id: <1453464520-3882-4-git-send-email-frankja@linux.vnet.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit 7cb1089d5fbd7b2d9497f111ce948edef41df32d)
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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scripts/dump-guest-memory.py | 26 +++++++++++++++-----------
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1 file changed, 15 insertions(+), 11 deletions(-)
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diff --git a/scripts/dump-guest-memory.py b/scripts/dump-guest-memory.py
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index 7d93d86..d44de99 100644
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--- a/scripts/dump-guest-memory.py
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+++ b/scripts/dump-guest-memory.py
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@@ -98,15 +98,19 @@ def memory_region_get_ram_ptr(mr):
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def get_guest_phys_blocks():
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guest_phys_blocks = []
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- print "guest RAM blocks:"
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- print ("target_start target_end host_addr message "
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- "count")
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- print ("---------------- ---------------- ---------------- ------- "
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- "-----")
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+ print("guest RAM blocks:")
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+ print("target_start target_end host_addr message "
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+ "count")
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+ print("---------------- ---------------- ---------------- ------- "
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+ "-----")
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current_map_p = gdb.parse_and_eval("address_space_memory.current_map")
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current_map = current_map_p.dereference()
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- for cur in range(current_map["nr"]):
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+
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+ # Conversion to int is needed for python 3
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+ # compatibility. Otherwise range doesn't cast the value itself and
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+ # breaks.
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+ for cur in range(int(current_map["nr"])):
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flat_range = (current_map["ranges"] + cur).dereference()
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mr = flat_range["mr"].dereference()
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@@ -149,9 +153,9 @@ def get_guest_phys_blocks():
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predecessor["target_end"] = target_end
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message = "joined"
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- print ("%016x %016x %016x %-7s %5u" %
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- (target_start, target_end, host_addr.cast(UINTPTR_T),
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- message, len(guest_phys_blocks)))
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+ print("%016x %016x %016x %-7s %5u" %
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+ (target_start, target_end, host_addr.cast(UINTPTR_T),
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+ message, len(guest_phys_blocks)))
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return guest_phys_blocks
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@@ -311,8 +315,8 @@ shape and this command should mostly work."""
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for block in self.guest_phys_blocks:
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cur = block["host_addr"]
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left = block["target_end"] - block["target_start"]
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- print ("dumping range at %016x for length %016x" %
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- (cur.cast(UINTPTR_T), left))
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+ print("dumping range at %016x for length %016x" %
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+ (cur.cast(UINTPTR_T), left))
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while (left > 0):
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chunk_size = min(TARGET_PAGE_SIZE, left)
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chunk = qemu_core.read_memory(cur, chunk_size)
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--
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1.8.3.1
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