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/*
* This file is part of the Score-P software (http://www.score-p.org)
*
* Copyright (c) 2009-2013,
* RWTH Aachen University, Germany
*
* Copyright (c) 2009-2013,
* Gesellschaft fuer numerische Simulation mbH Braunschweig, Germany
*
* Copyright (c) 2009-2014, 2021,
* Technische Universitaet Dresden, Germany
*
* Copyright (c) 2009-2013,
* University of Oregon, Eugene, USA
*
* Copyright (c) 2009-2013,
* Forschungszentrum Juelich GmbH, Germany
*
* Copyright (c) 2009-2013,
* German Research School for Simulation Sciences GmbH, Juelich/Aachen, Germany
*
* Copyright (c) 2009-2013,
* Technische Universitaet Muenchen, Germany
*
* This software may be modified and distributed under the terms of
* a BSD-style license. See the COPYING file in the package base
* directory for details.
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <inttypes.h>
#include <otf2/otf2.h>
#include <otf2/OTF2_Pthread_Locks.h>
struct thread_data
{
OTF2_Archive* archive;
uint64_t sequence;
pthread_t tid;
uint64_t lid;
};
static pthread_key_t tpd;
static OTF2_TimeStamp
get_time( void )
{
struct thread_data* data = pthread_getspecific( tpd );
return data->sequence++;
}
static OTF2_FlushType
pre_flush( void* userData,
OTF2_FileType fileType,
OTF2_LocationRef location,
void* callerData,
bool final )
{
return OTF2_FLUSH;
}
static OTF2_TimeStamp
post_flush( void* userData,
OTF2_FileType fileType,
OTF2_LocationRef location )
{
return get_time();
}
static OTF2_FlushCallbacks flush_callbacks =
{
.otf2_pre_flush = pre_flush,
.otf2_post_flush = post_flush
};
void*
event_writer( void* arg )
{
struct thread_data* data = arg;
pthread_setspecific( tpd, data );
OTF2_EvtWriter* evt_writer = OTF2_Archive_GetEvtWriter( data->archive,
data->lid );
OTF2_EvtWriter_Enter( evt_writer,
NULL,
get_time(),
0 /* region */ );
OTF2_EvtWriter_Leave( evt_writer,
NULL,
get_time(),
0 /* region */ );
OTF2_Archive_CloseEvtWriter( data->archive, evt_writer );
return NULL;
}
int
main( int argc,
char** argv )
{
int number_of_threads = 1;
if ( argc > 1 )
{
number_of_threads = atoi( argv[ 1 ] );
}
pthread_key_create( &tpd, NULL );
OTF2_Archive* archive = OTF2_Archive_Open( "ArchivePath",
"ArchiveName",
OTF2_FILEMODE_WRITE,
1024 * 1024 /* event chunk size */,
4 * 1024 * 1024 /* def chunk size */,
OTF2_SUBSTRATE_POSIX,
OTF2_COMPRESSION_NONE );
OTF2_Archive_SetFlushCallbacks( archive, &flush_callbacks, NULL );
OTF2_Archive_SetSerialCollectiveCallbacks( archive );
OTF2_Pthread_Archive_SetLockingCallbacks( archive, NULL );
OTF2_Archive_OpenEvtFiles( archive );
struct thread_data* threads = calloc( number_of_threads, sizeof( *threads ) );
for ( int i = 0; i < number_of_threads; i++ )
{
threads[ i ].archive = archive;
threads[ i ].lid = i;
pthread_create( &threads[ i ].tid, NULL, event_writer, &threads[ i ] );
}
for ( int i = 0; i < number_of_threads; i++ )
{
pthread_join( threads[ i ].tid, NULL );
}
OTF2_Archive_CloseEvtFiles( archive );
OTF2_Archive_OpenDefFiles( archive );
for ( int thread = 0; thread < number_of_threads; thread++ )
{
OTF2_DefWriter* def_writer = OTF2_Archive_GetDefWriter( archive,
thread );
OTF2_Archive_CloseDefWriter( archive, def_writer );
}
OTF2_Archive_CloseDefFiles( archive );
OTF2_GlobalDefWriter* global_def_writer = OTF2_Archive_GetGlobalDefWriter( archive );
OTF2_GlobalDefWriter_WriteClockProperties( global_def_writer,
1 /* 1 tick per second */,
0 /* epoch */,
2 /* length */,
OTF2_UNDEFINED_TIMESTAMP );
OTF2_GlobalDefWriter_WriteString( global_def_writer, 0, "" );
OTF2_GlobalDefWriter_WriteString( global_def_writer, 1, "Initial Process" );
OTF2_GlobalDefWriter_WriteString( global_def_writer, 2, "Main Thread" );
OTF2_GlobalDefWriter_WriteString( global_def_writer, 3, "MyFunction" );
OTF2_GlobalDefWriter_WriteString( global_def_writer, 4, "Alternative function name (e.g. mangled one)" );
OTF2_GlobalDefWriter_WriteString( global_def_writer, 5, "Computes something" );
OTF2_GlobalDefWriter_WriteString( global_def_writer, 6, "MyHost" );
OTF2_GlobalDefWriter_WriteString( global_def_writer, 7, "node" );
OTF2_GlobalDefWriter_WriteRegion( global_def_writer,
0 /* id */,
3 /* region name */,
4 /* alternative name */,
5 /* description */,
OTF2_REGION_ROLE_FUNCTION,
OTF2_PARADIGM_USER,
OTF2_REGION_FLAG_NONE,
0 /* source file */,
0 /* begin lno */,
0 /* end lno */ );
OTF2_GlobalDefWriter_WriteSystemTreeNode( global_def_writer,
0 /* id */,
6 /* name */,
7 /* class */,
OTF2_UNDEFINED_SYSTEM_TREE_NODE /* parent */ );
OTF2_GlobalDefWriter_WriteLocationGroup( global_def_writer,
0 /* id */,
1 /* name */,
OTF2_LOCATION_GROUP_TYPE_PROCESS,
0 /* system tree */,
OTF2_UNDEFINED_LOCATION_GROUP /* creating process */ );
for ( int i = 0; i < number_of_threads; i++ )
{
OTF2_StringRef name = 2;
if ( i > 0 )
{
name = 7 + i;
char name_buf[ 32 ];
snprintf( name_buf, sizeof( name_buf ), "Pthread %d", i );
OTF2_GlobalDefWriter_WriteString( global_def_writer, name, name_buf );
}
OTF2_GlobalDefWriter_WriteLocation( global_def_writer,
i /* id */,
name,
OTF2_LOCATION_TYPE_CPU_THREAD,
2 /* # events */,
0 /* location group */ );
}
OTF2_Archive_Close( archive );
pthread_key_delete( tpd );
return EXIT_SUCCESS;
}
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