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qtest: log QEMU command line 

Record the command line that was used to start QEMU.  This can be
useful for debugging.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
[thuth: removed trailing \n from the message string]
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Paolo Bonzini 2018-11-15 13:29:30 +01:00 committed by Thomas Huth
parent 3b6b0a8ae7
commit ced09f9b07
1 changed files with 15 additions and 11 deletions
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26
tests/libqtest.c
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@ -215,24 +215,28 @@ QTestState *qtest_init_without_qmp_handshake(bool use_oob,
qtest_add_abrt_handler(kill_qemu_hook_func, s);
command = g_strdup_printf("exec %s "
"-qtest unix:%s,nowait "
"-qtest-log %s "
"-chardev socket,path=%s,nowait,id=char0 "
"-mon chardev=char0,mode=control%s "
"-machine accel=qtest "
"-display none "
"%s", qemu_binary, socket_path,
getenv("QTEST_LOG") ? "/dev/fd/2" : "/dev/null",
qmp_socket_path, use_oob ? ",x-oob=on" : "",
extra_args ?: "");
g_test_message("starting QEMU: %s", command);
s->qemu_pid = fork();
if (s->qemu_pid == 0) {
setenv("QEMU_AUDIO_DRV", "none", true);
command = g_strdup_printf("exec %s "
"-qtest unix:%s,nowait "
"-qtest-log %s "
"-chardev socket,path=%s,nowait,id=char0 "
"-mon chardev=char0,mode=control%s "
"-machine accel=qtest "
"-display none "
"%s", qemu_binary, socket_path,
getenv("QTEST_LOG") ? "/dev/fd/2" : "/dev/null",
qmp_socket_path, use_oob ? ",x-oob=on" : "",
extra_args ?: "");
execlp("/bin/sh", "sh", "-c", command, NULL);
exit(1);
}
g_free(command);
s->fd = socket_accept(sock);
if (s->fd >= 0) {
s->qmp_fd = socket_accept(qmpsock);