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It was hard to track down this leak as it was an internal allocation
by glib and the backtraces did not give much away. The autofree was
freeing the allocation with g_free() but not taking care of the
individual strings. They should have been freed with g_strfreev()
instead.
Searching the glib source code for the correct string free function
led to:
G_DEFINE_AUTO_CLEANUP_FREE_FUNC(GStrv, g_strfreev, NULL)
and indeed if you read to the bottom of the documentation page you
will find:
typedef gchar** GStrv;
A typedef alias for gchar**. This is mostly useful when used together with g_auto().
So fix up all the g_autofree g_strsplit case that smugly thought they
had de-allocation covered.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230630180423.558337-21-alex.bennee@linaro.org>
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Fix compiler warnings. The warnings can result in a broken build.
This patch fixes warnings such as:
In file included from /usr/include/glib-2.0/glib.h:111,
from ../tests/plugin/syscall.c:13:
../tests/plugin/syscall.c: In function ‘print_entry’:
/usr/include/glib-2.0/glib/glib-autocleanups.h:28:3: error: ‘out’ may be
used uninitialized in this function [-Werror=maybe-uninitialized]
g_free (*pp);
^~~~~~~~~~~~
../tests/plugin/syscall.c:82:23: note: ‘out’ was declared here
g_autofree gchar *out;
^~~
In file included from /usr/include/glib-2.0/glib.h:111,
from ../tests/plugin/syscall.c:13:
../tests/plugin/syscall.c: In function ‘vcpu_syscall_ret’:
/usr/include/glib-2.0/glib/glib-autocleanups.h:28:3: error: ‘out’ may be
used uninitialized in this function [-Werror=maybe-uninitialized]
g_free (*pp);
^~~~~~~~~~~~
../tests/plugin/syscall.c:73:27: note: ‘out’ was declared here
g_autofree gchar *out;
^~~
cc1: all warnings being treated as errors
Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20211128011551.2115468-1-juro.bystricky@intel.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211129140932.4115115-9-alex.bennee@linaro.org>
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Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-13-ma.mandourr@gmail.com>
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Added a table-like output which contains the total number of calls
for each used syscall along with the number of errors that occurred.
Per-call tracing is still available through supplying the argument
``print`` to the plugin.
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210519032409.3041-1-ma.mandourr@gmail.com>
Message-Id: <20210520174303.12310-9-alex.bennee@linaro.org>
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This commit adds a new syscalls plugin that displays the syscalls
as they are executed and returned. This plugin outputs the number
of the syscall as well as the syscall return value.
Works in *-user only.
Essentially, this commit restores:
https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg00846.html
by using the new QEMU plugin API.
Signed-off-by: Matthias Weckbecker <matthias@weckbecker.name>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200812115816.4454-1-matthias@weckbecker.name>
Message-Id: <20210312172821.31647-2-alex.bennee@linaro.org>
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