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#if USE_ITT_BUILD
/*
* kmp_itt.h -- ITT Notify interface.
* $Revision: 42616 $
* $Date: 2013-08-26 11:47:32 -0500 (Mon, 26 Aug 2013) $
*/
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.txt for details.
//
//===----------------------------------------------------------------------===//
#ifndef KMP_ITT_H
#define KMP_ITT_H
#include "kmp_lock.h"
#define INTEL_ITTNOTIFY_API_PRIVATE
#include "ittnotify.h"
#include "legacy/ittnotify.h"
#if KMP_DEBUG
#define __kmp_inline // Turn off inlining in debug mode.
#else
#define __kmp_inline static inline
#endif
#if USE_ITT_NOTIFY
extern kmp_int32 __kmp_itt_prepare_delay;
# ifdef __cplusplus
extern "C" void __kmp_itt_fini_ittlib(void);
# else
extern void __kmp_itt_fini_ittlib(void);
# endif
#endif
// Simplify the handling of an argument that is only required when USE_ITT_BUILD is enabled.
#define USE_ITT_BUILD_ARG(x) ,x
void __kmp_itt_initialize();
void __kmp_itt_destroy();
// -------------------------------------------------------------------------------------------------
// New stuff for reporting high-level constructs.
// -------------------------------------------------------------------------------------------------
// Note the naming convention:
// __kmp_itt_xxxing() function should be called before action, while
// __kmp_itt_xxxed() function should be called after action.
// --- Parallel region reporting ---
__kmp_inline void __kmp_itt_region_forking( int gtid, int serialized = 0 ); // Master only, before forking threads.
__kmp_inline void __kmp_itt_region_joined( int gtid, int serialized = 0 ); // Master only, after joining threads.
// (*) Note: A thread may execute tasks after this point, though.
// --- Barrier reporting ---
__kmp_inline void * __kmp_itt_barrier_object( int gtid, int bt, int set_name = 0, int delta = 0 );
__kmp_inline void __kmp_itt_barrier_starting( int gtid, void * object );
__kmp_inline void __kmp_itt_barrier_middle( int gtid, void * object );
__kmp_inline void __kmp_itt_barrier_finished( int gtid, void * object );
// --- Taskwait reporting ---
__kmp_inline void * __kmp_itt_taskwait_object( int gtid );
__kmp_inline void __kmp_itt_taskwait_starting( int gtid, void * object );
__kmp_inline void __kmp_itt_taskwait_finished( int gtid, void * object );
// --- Task reporting ---
__kmp_inline void __kmp_itt_task_starting( void * object );
__kmp_inline void __kmp_itt_task_finished( void * object );
// --- Lock reporting ---
__kmp_inline void __kmp_itt_lock_creating( kmp_user_lock_p lock );
__kmp_inline void __kmp_itt_lock_acquiring( kmp_user_lock_p lock );
__kmp_inline void __kmp_itt_lock_acquired( kmp_user_lock_p lock );
__kmp_inline void __kmp_itt_lock_releasing( kmp_user_lock_p lock );
__kmp_inline void __kmp_itt_lock_cancelled( kmp_user_lock_p lock );
__kmp_inline void __kmp_itt_lock_destroyed( kmp_user_lock_p lock );
// --- Critical reporting ---
__kmp_inline void __kmp_itt_critical_creating( kmp_user_lock_p lock );
__kmp_inline void __kmp_itt_critical_acquiring( kmp_user_lock_p lock );
__kmp_inline void __kmp_itt_critical_acquired( kmp_user_lock_p lock );
__kmp_inline void __kmp_itt_critical_releasing( kmp_user_lock_p lock );
__kmp_inline void __kmp_itt_critical_destroyed( kmp_user_lock_p lock );
// --- Single reporting ---
__kmp_inline void __kmp_itt_single_start( int gtid );
__kmp_inline void __kmp_itt_single_end( int gtid );
// --- Ordered reporting ---
__kmp_inline void __kmp_itt_ordered_init( int gtid );
__kmp_inline void __kmp_itt_ordered_prep( int gtid );
__kmp_inline void __kmp_itt_ordered_start( int gtid );
__kmp_inline void __kmp_itt_ordered_end( int gtid );
// --- Threads reporting ---
__kmp_inline void __kmp_itt_thread_ignore();
__kmp_inline void __kmp_itt_thread_name( int gtid );
// --- System objects ---
__kmp_inline void __kmp_itt_system_object_created( void * object, char const * name );
// --- Stack stitching ---
__kmp_inline __itt_caller __kmp_itt_stack_caller_create(void);
__kmp_inline void __kmp_itt_stack_caller_destroy(__itt_caller);
__kmp_inline void __kmp_itt_stack_callee_enter(__itt_caller);
__kmp_inline void __kmp_itt_stack_callee_leave(__itt_caller);
// -------------------------------------------------------------------------------------------------
// Old stuff for reporting low-level internal synchronization.
// -------------------------------------------------------------------------------------------------
#if USE_ITT_NOTIFY
/*
* Support for SSC marks, which are used by SDE
* http://software.intel.com/en-us/articles/intel-software-development-emulator
* to mark points in instruction traces that represent spin-loops and are
* therefore uninteresting when collecting traces for architecture simulation.
*/
#ifndef INCLUDE_SSC_MARKS
# define INCLUDE_SSC_MARKS (KMP_OS_LINUX && KMP_ARCH_X86_64)
#endif
/* Linux 64 only for now */
#if (INCLUDE_SSC_MARKS && KMP_OS_LINUX && KMP_ARCH_X86_64)
// Portable (at least for gcc and icc) code to insert the necessary instructions
// to set %ebx and execute the unlikely no-op.
# define INSERT_SSC_MARK(tag) \
__asm__ __volatile__ ("movl %0, %%ebx; .byte 0x64, 0x67, 0x90 " ::"i"(tag):"%ebx")
#else
# define INSERT_SSC_MARK(tag) ((void)0)
#endif
/* Markers for the start and end of regions that represent polling and
* are therefore uninteresting to architectural simulations 0x4376 and
* 0x4377 are arbitrary numbers that should be unique in the space of
* SSC tags, but there is no central issuing authority rather
* randomness is expected to work.
*/
#define SSC_MARK_SPIN_START() INSERT_SSC_MARK(0x4376)
#define SSC_MARK_SPIN_END() INSERT_SSC_MARK(0x4377)
// The object is an address that associates a specific set of the prepare, acquire, release,
// and cancel operations.
/* Sync prepare indicates a thread is going to start waiting for another thread
to send a release event. This operation should be done just before the thread
begins checking for the existence of the release event */
/* Sync cancel indicates a thread is cancelling a wait on another thread anc
continuing execution without waiting for the other thread to release it */
/* Sync acquired indicates a thread has received a release event from another
thread and has stopped waiting. This operation must occur only after the release
event is received. */
/* Sync release indicates a thread is going to send a release event to another thread
so it will stop waiting and continue execution. This operation must just happen before
the release event. */
#define KMP_FSYNC_PREPARE( obj ) __itt_fsync_prepare( (void *)( obj ) )
#define KMP_FSYNC_CANCEL( obj ) __itt_fsync_cancel( (void *)( obj ) )
#define KMP_FSYNC_ACQUIRED( obj ) __itt_fsync_acquired( (void *)( obj ) )
#define KMP_FSYNC_RELEASING( obj ) __itt_fsync_releasing( (void *)( obj ) )
/*
In case of waiting in a spin loop, ITT wants KMP_FSYNC_PREPARE() to be called with a delay
(and not called at all if waiting time is small). So, in spin loops, do not use
KMP_FSYNC_PREPARE(), but use KMP_FSYNC_SPIN_INIT() (before spin loop),
KMP_FSYNC_SPIN_PREPARE() (whithin the spin loop), and KMP_FSYNC_SPIN_ACQUIRED().
See KMP_WAIT_YIELD() for example.
*/
#undef KMP_FSYNC_SPIN_INIT
#define KMP_FSYNC_SPIN_INIT( obj, spin ) \
int sync_iters = 0; \
if ( __itt_fsync_prepare_ptr ) { \
if ( obj == NULL ) { \
obj = spin; \
} /* if */ \
} /* if */ \
SSC_MARK_SPIN_START()
#undef KMP_FSYNC_SPIN_PREPARE
#define KMP_FSYNC_SPIN_PREPARE( obj ) do { \
if ( __itt_fsync_prepare_ptr && sync_iters < __kmp_itt_prepare_delay ) { \
++ sync_iters; \
if ( sync_iters >= __kmp_itt_prepare_delay ) { \
KMP_FSYNC_PREPARE( (void*) obj ); \
} /* if */ \
} /* if */ \
} while (0)
#undef KMP_FSYNC_SPIN_ACQUIRED
#define KMP_FSYNC_SPIN_ACQUIRED( obj ) do { \
SSC_MARK_SPIN_END(); \
if ( sync_iters >= __kmp_itt_prepare_delay ) { \
KMP_FSYNC_ACQUIRED( (void*) obj ); \
} /* if */ \
} while (0)
/* ITT will not report objects created within KMP_ITT_IGNORE(), e. g.:
KMP_ITT_IGNORE(
ptr = malloc( size );
);
*/
#define KMP_ITT_IGNORE( statement ) do { \
__itt_state_t __itt_state_; \
if ( __itt_state_get_ptr ) { \
__itt_state_ = __itt_state_get(); \
__itt_obj_mode_set( __itt_obj_prop_ignore, __itt_obj_state_set ); \
} /* if */ \
{ statement } \
if ( __itt_state_get_ptr ) { \
__itt_state_set( __itt_state_ ); \
} /* if */ \
} while (0)
const int KMP_MAX_FRAME_DOMAINS = 512; // Maximum number of frame domains to use (maps to
// different OpenMP regions in the user source code).
extern kmp_int32 __kmp_frame_domain_count;
extern __itt_domain* __kmp_itt_domains[KMP_MAX_FRAME_DOMAINS];
#else
// Null definitions of the synchronization tracing functions.
# define KMP_FSYNC_PREPARE( obj ) ((void)0)
# define KMP_FSYNC_CANCEL( obj ) ((void)0)
# define KMP_FSYNC_ACQUIRED( obj ) ((void)0)
# define KMP_FSYNC_RELEASING( obj ) ((void)0)
# define KMP_FSYNC_SPIN_INIT( obj, spin ) ((void)0)
# define KMP_FSYNC_SPIN_PREPARE( obj ) ((void)0)
# define KMP_FSYNC_SPIN_ACQUIRED( obj ) ((void)0)
# define KMP_ITT_IGNORE(stmt ) do { stmt } while (0)
#endif // USE_ITT_NOTIFY
#if ! KMP_DEBUG
// In release mode include definitions of inline functions.
#include "kmp_itt.inl"
#endif
#endif // KMP_ITT_H
#else /* USE_ITT_BUILD */
// Null definitions of the synchronization tracing functions.
// If USE_ITT_BULID is not enabled, USE_ITT_NOTIFY cannot be either.
// By defining these we avoid unpleasant ifdef tests in many places.
# define KMP_FSYNC_PREPARE( obj ) ((void)0)
# define KMP_FSYNC_CANCEL( obj ) ((void)0)
# define KMP_FSYNC_ACQUIRED( obj ) ((void)0)
# define KMP_FSYNC_RELEASING( obj ) ((void)0)
# define KMP_FSYNC_SPIN_INIT( obj, spin ) ((void)0)
# define KMP_FSYNC_SPIN_PREPARE( obj ) ((void)0)
# define KMP_FSYNC_SPIN_ACQUIRED( obj ) ((void)0)
# define KMP_ITT_IGNORE(stmt ) do { stmt } while (0)
# define USE_ITT_BUILD_ARG(x)
#endif /* USE_ITT_BUILD */
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