/usr/src/zfs-0.6.5.6/config/kernel-declare-event-class.m4 is in zfs-dkms 0.6.5.6-0ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | dnl #
dnl # Ensure the DECLARE_EVENT_CLASS macro is available to non-GPL modules.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_DECLARE_EVENT_CLASS], [
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="-I\$(src)"
AC_MSG_CHECKING([whether DECLARE_EVENT_CLASS() is available])
ZFS_LINUX_TRY_COMPILE_HEADER([
#include <linux/module.h>
MODULE_LICENSE(ZFS_META_LICENSE);
#define CREATE_TRACE_POINTS
#include "conftest.h"
],[
trace_zfs_autoconf_event_one(1UL);
trace_zfs_autoconf_event_two(2UL);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DECLARE_EVENT_CLASS, 1,
[DECLARE_EVENT_CLASS() is available])
],[
AC_MSG_RESULT(no)
],[
#if !defined(_CONFTEST_H) || defined(TRACE_HEADER_MULTI_READ)
#define _CONFTEST_H
#undef TRACE_SYSTEM
#define TRACE_SYSTEM zfs
#include <linux/tracepoint.h>
DECLARE_EVENT_CLASS(zfs_autoconf_event_class,
TP_PROTO(unsigned long i),
TP_ARGS(i),
TP_STRUCT__entry(
__field(unsigned long, i)
),
TP_fast_assign(
__entry->i = i;
),
TP_printk("i = %lu", __entry->i)
);
#define DEFINE_AUTOCONF_EVENT(name) \
DEFINE_EVENT(zfs_autoconf_event_class, name, \
TP_PROTO(unsigned long i), \
TP_ARGS(i))
DEFINE_AUTOCONF_EVENT(zfs_autoconf_event_one);
DEFINE_AUTOCONF_EVENT(zfs_autoconf_event_two);
#endif /* _CONFTEST_H */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE conftest
#include <trace/define_trace.h>
])
EXTRA_KCFLAGS="$tmp_flags"
])
|