/usr/src/lttng-modules-2.5.1/lib/ringbuffer/nohz.h is in lttng-modules-dkms 2.5.1-1.
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 | #ifndef _LIB_RING_BUFFER_NOHZ_H
#define _LIB_RING_BUFFER_NOHZ_H
/*
* lib/ringbuffer/nohz.h
*
* Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; only
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef CONFIG_LIB_RING_BUFFER
void lib_ring_buffer_tick_nohz_flush(void);
void lib_ring_buffer_tick_nohz_stop(void);
void lib_ring_buffer_tick_nohz_restart(void);
#else
static inline void lib_ring_buffer_tick_nohz_flush(void)
{
}
static inline void lib_ring_buffer_tick_nohz_stop(void)
{
}
static inline void lib_ring_buffer_tick_nohz_restart(void)
{
}
#endif
#endif /* _LIB_RING_BUFFER_NOHZ_H */
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