#ifdef TRACING
#include "GetTime.h"
+#include "GetEnv.h"
#include "Stats.h"
#include "eventlog/EventLog.h"
#include "Threads.h"
#include "Printer.h"
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
#ifdef DEBUG
// debugging flags, set with +RTS -D<something>
int DEBUG_sched;
}
}
+void resetTracing (void)
+{
+ if (eventlog_enabled) {
+ abortEventLogging(); // abort eventlog inherited from parent
+ initEventLogging(); // child starts its own eventlog
+ }
+}
+
/* ---------------------------------------------------------------------------
Emitting trace messages/events
--------------------------------------------------------------------------- */
[ThreadYielding] = "yielding",
[ThreadBlocked] = "blocked",
[ThreadFinished] = "finished",
- [THREAD_SUSPENDED_FOREIGN_CALL] = "suspended while making a foreign call"
+ [THREAD_SUSPENDED_FOREIGN_CALL] = "suspended while making a foreign call",
+ [6 + BlockedOnMVar] = "blocked on an MVar",
+ [6 + BlockedOnBlackHole] = "blocked on a black hole",
+ [6 + BlockedOnRead] = "blocked on a read operation",
+ [6 + BlockedOnWrite] = "blocked on a write operation",
+ [6 + BlockedOnDelay] = "blocked on a delay operation",
+ [6 + BlockedOnSTM] = "blocked on STM",
+ [6 + BlockedOnDoProc] = "blocked on asyncDoProc",
+ [6 + BlockedOnCCall] = "blocked on a foreign call",
+ [6 + BlockedOnCCall_Interruptible] = "blocked on a foreign call (interruptible)",
+ [6 + BlockedOnMsgThrowTo] = "blocked on throwTo",
+ [6 + ThreadMigrating] = "migrating"
};
#endif
#ifdef DEBUG
static void traceSchedEvent_stderr (Capability *cap, EventTypeNum tag,
StgTSO *tso,
- StgWord64 other STG_UNUSED)
+ StgWord info1 STG_UNUSED,
+ StgWord info2 STG_UNUSED)
{
ACQUIRE_LOCK(&trace_utx);
break;
case EVENT_CREATE_SPARK_THREAD: // (cap, spark_thread)
debugBelch("cap %d: creating spark thread %lu\n",
- cap->no, (long)other);
+ cap->no, (long)info1);
break;
case EVENT_MIGRATE_THREAD: // (cap, thread, new_cap)
debugBelch("cap %d: thread %lu migrating to cap %d\n",
- cap->no, (lnat)tso->id, (int)other);
+ cap->no, (lnat)tso->id, (int)info1);
break;
case EVENT_STEAL_SPARK: // (cap, thread, victim_cap)
debugBelch("cap %d: thread %lu stealing a spark from cap %d\n",
- cap->no, (lnat)tso->id, (int)other);
+ cap->no, (lnat)tso->id, (int)info1);
break;
- case EVENT_THREAD_WAKEUP: // (cap, thread, other_cap)
+ case EVENT_THREAD_WAKEUP: // (cap, thread, info1_cap)
debugBelch("cap %d: waking up thread %lu on cap %d\n",
- cap->no, (lnat)tso->id, (int)other);
+ cap->no, (lnat)tso->id, (int)info1);
break;
case EVENT_STOP_THREAD: // (cap, thread, status)
- debugBelch("cap %d: thread %lu stopped (%s)\n",
- cap->no, (lnat)tso->id, thread_stop_reasons[other]);
+ if (info1 == 6 + BlockedOnBlackHole) {
+ debugBelch("cap %d: thread %lu stopped (blocked on black hole owned by thread %lu)\n",
+ cap->no, (lnat)tso->id, (long)info2);
+ } else {
+ debugBelch("cap %d: thread %lu stopped (%s)\n",
+ cap->no, (lnat)tso->id, thread_stop_reasons[info1]);
+ }
break;
case EVENT_SHUTDOWN: // (cap)
debugBelch("cap %d: shutting down\n", cap->no);
debugBelch("cap %d: GC done\n", cap->no);
break;
default:
- debugBelch("cap %2d: thread %lu: event %d\n\n",
+ debugBelch("cap %d: thread %lu: event %d\n\n",
cap->no, (lnat)tso->id, tag);
break;
}
#endif
void traceSchedEvent_ (Capability *cap, EventTypeNum tag,
- StgTSO *tso, StgWord64 other)
+ StgTSO *tso, StgWord info1, StgWord info2)
+{
+#ifdef DEBUG
+ if (RtsFlags.TraceFlags.tracing == TRACE_STDERR) {
+ traceSchedEvent_stderr(cap, tag, tso, info1, info2);
+ } else
+#endif
+ {
+ postSchedEvent(cap,tag,tso ? tso->id : 0, info1, info2);
+ }
+}
+
+void traceCapsetModify_ (EventTypeNum tag,
+ CapsetID capset,
+ StgWord32 other)
{
#ifdef DEBUG
if (RtsFlags.TraceFlags.tracing == TRACE_STDERR) {
- traceSchedEvent_stderr(cap, tag, tso, other);
+ ACQUIRE_LOCK(&trace_utx);
+
+ tracePreface();
+ switch (tag) {
+ case EVENT_CAPSET_CREATE: // (capset, capset_type)
+ debugBelch("created capset %lu of type %d\n", (lnat)capset, (int)other);
+ break;
+ case EVENT_CAPSET_DELETE: // (capset)
+ debugBelch("deleted capset %lu\n", (lnat)capset);
+ break;
+ case EVENT_CAPSET_ASSIGN_CAP: // (capset, capno)
+ debugBelch("assigned cap %lu to capset %lu\n",
+ (lnat)other, (lnat)capset);
+ break;
+ case EVENT_CAPSET_REMOVE_CAP: // (capset, capno)
+ debugBelch("removed cap %lu from capset %lu\n",
+ (lnat)other, (lnat)capset);
+ break;
+ }
+ RELEASE_LOCK(&trace_utx);
} else
#endif
{
- postSchedEvent(cap,tag,tso ? tso->id : 0,other);
+ if (eventlog_enabled) {
+ postCapsetModifyEvent(tag, capset, other);
+ }
+ }
+}
+
+void traceOSProcessInfo_(void) {
+ if (eventlog_enabled) {
+ postCapsetModifyEvent(EVENT_OSPROCESS_PID,
+ CAPSET_OSPROCESS_DEFAULT,
+ getpid());
+
+#if !defined(cygwin32_HOST_OS) && !defined (mingw32_HOST_OS)
+/* Windows has no strong concept of process heirarchy, so no getppid().
+ * In any case, this trace event is mainly useful for tracing programs
+ * that use 'forkProcess' which Windows doesn't support anyway.
+ */
+ postCapsetModifyEvent(EVENT_OSPROCESS_PPID,
+ CAPSET_OSPROCESS_DEFAULT,
+ getppid());
+#endif
+ {
+ char buf[256];
+ snprintf(buf, sizeof(buf), "GHC-%s %s", ProjectVersion, RtsWay);
+ postCapsetStrEvent(EVENT_RTS_IDENTIFIER,
+ CAPSET_OSPROCESS_DEFAULT,
+ buf);
+ }
+ {
+ int argc = 0; char **argv;
+ getFullProgArgv(&argc, &argv);
+ if (argc != 0) {
+ postCapsetVecEvent(EVENT_PROGRAM_ARGS,
+ CAPSET_OSPROCESS_DEFAULT,
+ argc, argv);
+ }
+ }
+ {
+ int envc = 0; char **envv;
+ getProgEnvv(&envc, &envv);
+ if (envc != 0) {
+ postCapsetVecEvent(EVENT_PROGRAM_ENV,
+ CAPSET_OSPROCESS_DEFAULT,
+ envc, envv);
+ }
+ freeProgEnvv(envc, envv);
+ }
}
}
{
#ifdef DEBUG
if (RtsFlags.TraceFlags.tracing == TRACE_STDERR) {
- traceSchedEvent_stderr(cap, tag, 0, 0);
+ traceSchedEvent_stderr(cap, tag, 0, 0, 0);
} else
#endif
{
ACQUIRE_LOCK(&trace_utx);
tracePreface();
- debugBelch("cap %2d: ", cap->no);
+ debugBelch("cap %d: ", cap->no);
vdebugBelch(msg,ap);
debugBelch("\n");
}
}
+void traceEventStartup_(int nocaps)
+{
+ if (eventlog_enabled) {
+ postEventStartup(nocaps);
+ }
+}
#ifdef DEBUG
void traceBegin (const char *str, ...)