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/*-
* BSD LICENSE
*
* Copyright(c) 2015 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef LTHREAD_DIAG_H_
#define LTHREAD_DIAG_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <inttypes.h>
#include <rte_log.h>
#include <rte_common.h>
#include "lthread_api.h"
#include "lthread_diag_api.h"
extern diag_callback diag_cb;
extern const char *diag_event_text[];
extern uint64_t diag_mask;
/* max size of name strings */
#define LT_MAX_NAME_SIZE 64
#if LTHREAD_DIAG
#define DISPLAY_OBJCACHE_QUEUES 1
/*
* Generate a diagnostic trace or event in the case where an object is created.
*
* The value returned by the callback is stored in the object.
*
* @ param obj
* pointer to the object that was created
* @ param ev
* the event code
*
*/
#define DIAG_CREATE_EVENT(obj, ev) do { \
struct lthread *ct = RTE_PER_LCORE(this_sched)->current_lthread;\
if ((BIT(ev) & diag_mask) && (ev < LT_DIAG_EVENT_MAX)) { \
(obj)->diag_ref = (diag_cb)(rte_rdtsc(), \
ct, \
(ev), \
0, \
diag_event_text[(ev)], \
(uint64_t)obj, \
0); \
} \
} while (0)
/*
* Generate a diagnostic trace event.
*
* @ param obj
* pointer to the lthread, cond or mutex object
* @ param ev
* the event code
* @ param p1
* object specific value ( see lthread_diag_api.h )
* @ param p2
* object specific value ( see lthread_diag_api.h )
*/
#define DIAG_EVENT(obj, ev, p1, p2) do { \
struct lthread *ct = RTE_PER_LCORE(this_sched)->current_lthread;\
if ((BIT(ev) & diag_mask) && (ev < LT_DIAG_EVENT_MAX)) { \
(diag_cb)(rte_rdtsc(), \
ct, \
ev, \
(obj)->diag_ref, \
diag_event_text[(ev)], \
(uint64_t)(p1), \
(uint64_t)(p2)); \
} \
} while (0)
#define DIAG_COUNT_DEFINE(x) rte_atomic64_t count_##x
#define DIAG_COUNT_INIT(o, x) rte_atomic64_init(&((o)->count_##x))
#define DIAG_COUNT_INC(o, x) rte_atomic64_inc(&((o)->count_##x))
#define DIAG_COUNT_DEC(o, x) rte_atomic64_dec(&((o)->count_##x))
#define DIAG_COUNT(o, x) rte_atomic64_read(&((o)->count_##x))
#define DIAG_USED
#else
/* no diagnostics configured */
#define DISPLAY_OBJCACHE_QUEUES 0
#define DIAG_CREATE_EVENT(obj, ev)
#define DIAG_EVENT(obj, ev, p1, p)
#define DIAG_COUNT_DEFINE(x)
#define DIAG_COUNT_INIT(o, x) do {} while (0)
#define DIAG_COUNT_INC(o, x) do {} while (0)
#define DIAG_COUNT_DEC(o, x) do {} while (0)
#define DIAG_COUNT(o, x) 0
#define DIAG_USED __rte_unused
#endif /* LTHREAD_DIAG */
#ifdef __cplusplus
}
#endif
#endif /* LTHREAD_DIAG_H_ */
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