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/* -----------------------------------------------------------------------------
*
* (c) The GHC Team, 2008-2009
*
* Support for fast binary event logging.
*
* ---------------------------------------------------------------------------*/
#ifndef EVENTLOG_H
#define EVENTLOG_H
#include "rts/EventLogFormat.h"
#include "Capability.h"
#include "BeginPrivate.h"
#ifdef TRACING
/*
* Descriptions of EventTags for events.
*/
extern char *EventTagDesc[];
void initEventLogging(void);
void endEventLogging(void);
void freeEventLogging(void);
void abortEventLogging(void); // #4512 - after fork child needs to abort
void flushEventLog(void); // event log inherited from parent
void moreCapEventBufs (uint32_t from, uint32_t to);
/*
* Post a scheduler event to the capability's event buffer (an event
* that has an associated thread).
*/
void postSchedEvent(Capability *cap, EventTypeNum tag,
StgThreadID id, StgWord info1, StgWord info2);
/*
* Post a nullary event.
*/
void postEvent(Capability *cap, EventTypeNum tag);
void postEventAtTimestamp (Capability *cap, EventTimestamp ts,
EventTypeNum tag);
void postMsg(char *msg, va_list ap);
void postUserEvent(Capability *cap, EventTypeNum type, char *msg);
void postCapMsg(Capability *cap, char *msg, va_list ap);
/*
* Post an event relating to a capability itself (create/delete/etc)
*/
void postCapEvent (EventTypeNum tag,
EventCapNo capno);
/*
* Post an event that is associated with a capability set
*/
void postCapsetEvent (EventTypeNum tag,
EventCapsetID capset,
StgWord info);
/*
* Post a capability set event with a string payload
*/
void postCapsetStrEvent (EventTypeNum tag,
EventCapsetID capset,
char *msg);
/*
* Post a capability set event with several strings payload
*/
void postCapsetVecEvent (EventTypeNum tag,
EventCapsetID capset,
int argc,
char *msg[]);
void postWallClockTime (EventCapsetID capset);
/*
* Post a `par` spark event
*/
void postSparkEvent(Capability *cap, EventTypeNum tag, StgWord info1);
/*
* Post an event with several counters relating to `par` sparks.
*/
void postSparkCountersEvent (Capability *cap,
SparkCounters counters,
StgWord remaining);
/*
* Post an event to annotate a thread with a label
*/
void postThreadLabel(Capability *cap,
EventThreadID id,
char *label);
/*
* Various GC and heap events
*/
void postHeapEvent (Capability *cap,
EventTypeNum tag,
EventCapsetID heap_capset,
W_ info1);
void postEventHeapInfo (EventCapsetID heap_capset,
uint32_t gens,
W_ maxHeapSize,
W_ allocAreaSize,
W_ mblockSize,
W_ blockSize);
void postEventGcStats (Capability *cap,
EventCapsetID heap_capset,
uint32_t gen,
W_ copied,
W_ slop,
W_ fragmentation,
uint32_t par_n_threads,
W_ par_max_copied,
W_ par_tot_copied);
void postTaskCreateEvent (EventTaskId taskId,
EventCapNo cap,
EventKernelThreadId tid);
void postTaskMigrateEvent (EventTaskId taskId,
EventCapNo capno,
EventCapNo new_capno);
void postTaskDeleteEvent (EventTaskId taskId);
#else /* !TRACING */
INLINE_HEADER void postSchedEvent (Capability *cap STG_UNUSED,
EventTypeNum tag STG_UNUSED,
StgThreadID id STG_UNUSED,
StgWord info1 STG_UNUSED,
StgWord info2 STG_UNUSED)
{ /* nothing */ }
INLINE_HEADER void postEvent (Capability *cap STG_UNUSED,
EventTypeNum tag STG_UNUSED)
{ /* nothing */ }
INLINE_HEADER void postMsg (char *msg STG_UNUSED,
va_list ap STG_UNUSED)
{ /* nothing */ }
INLINE_HEADER void postCapMsg (Capability *cap STG_UNUSED,
char *msg STG_UNUSED,
va_list ap STG_UNUSED)
{ /* nothing */ }
INLINE_HEADER void postThreadLabel(Capability *cap STG_UNUSED,
EventThreadID id STG_UNUSED,
char *label STG_UNUSED)
{ /* nothing */ }
#endif
#include "EndPrivate.h"
#endif /* TRACING_H */
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