/*
* static void startMethodTracingFd(String traceFileName, FileDescriptor fd,
* int bufferSize, int flags, boolean samplingEnabled, int intervalUs)
*
* Start method trace profiling, sending results to a file descriptor.
*/
static void Dalvik_dalvik_system_VMDebug_startMethodTracingFd(const u4* args,
JValue* pResult)
{
StringObject* traceFileStr = (StringObject*) args[0];
Object* traceFd = (Object*) args[1];
int bufferSize = args[2];
int flags = args[3];
bool samplingEnabled = args[4];
int intervalUs = args[5];
int origFd = getFileDescriptor(traceFd);
if (origFd < 0)
RETURN_VOID();
int fd = dup(origFd);
if (fd < 0) {
dvmThrowExceptionFmt(gDvm.exRuntimeException,
"dup(%d) failed: %s", origFd, strerror(errno));
RETURN_VOID();
}
char* traceFileName = dvmCreateCstrFromString(traceFileStr);
if (traceFileName == NULL) {
RETURN_VOID();
}
dvmMethodTraceStart(traceFileName, fd, bufferSize, flags, false,
samplingEnabled, intervalUs);
free(traceFileName);
RETURN_VOID();
}
/*
* static void startMethodTracingDdmsImpl(int bufferSize, int flags,
* boolean samplingEnabled, int intervalUs)
*
* Start method trace profiling, sending results directly to DDMS.
*/
static void Dalvik_dalvik_system_VMDebug_startMethodTracingDdmsImpl(const u4* args,
JValue* pResult)
{
int bufferSize = args[0];
int flags = args[1];
bool samplingEnabled = args[2];
int intervalUs = args[3];
dvmMethodTraceStart("[DDMS]", -1, bufferSize, flags, true, samplingEnabled,
intervalUs);
RETURN_VOID();
}
/*
* static void startMethodTracingFilename(String traceFileName, int bufferSize,
* int flags, boolean samplingEnabled, int intervalUs)
*
* Start method trace profiling, sending results to a file.
*/
static void Dalvik_dalvik_system_VMDebug_startMethodTracingFilename(const u4* args,
JValue* pResult)
{
StringObject* traceFileStr = (StringObject*) args[0];
int bufferSize = args[1];
int flags = args[2];
bool samplingEnabled = args[3];
int intervalUs = args[4];
char* traceFileName = dvmCreateCstrFromString(traceFileStr);
if (traceFileName == NULL) {
RETURN_VOID();
}
dvmMethodTraceStart(traceFileName, -1, bufferSize, flags, false,
samplingEnabled, intervalUs);
free(traceFileName);
RETURN_VOID();
}
/*
* static void startMethodTracingNative(String traceFileName,
* FileDescriptor fd, int bufferSize, int flags)
*
* Start method trace profiling.
*
* If both "traceFileName" and "fd" are null, the result will be sent
* directly to DDMS. (The non-DDMS versions of the calls are expected
* to enforce non-NULL filenames.)
*/
static void Dalvik_dalvik_system_VMDebug_startMethodTracingNative(const u4* args,
JValue* pResult)
{
StringObject* traceFileStr = (StringObject*) args[0];
Object* traceFd = (Object*) args[1];
int bufferSize = args[2];
int flags = args[3];
if (bufferSize == 0) {
// Default to 8MB per the documentation.
bufferSize = 8 * 1024 * 1024;
}
if (bufferSize < 1024) {
dvmThrowException("Ljava/lang/IllegalArgumentException;", NULL);
RETURN_VOID();
}
char* traceFileName = NULL;
if (traceFileStr != NULL)
traceFileName = dvmCreateCstrFromString(traceFileStr);
int fd = -1;
if (traceFd != NULL) {
int origFd = getFileDescriptor(traceFd);
if (origFd < 0)
RETURN_VOID();
fd = dup(origFd);
if (fd < 0) {
dvmThrowExceptionFmt("Ljava/lang/RuntimeException;",
"dup(%d) failed: %s", origFd, strerror(errno));
RETURN_VOID();
}
}
dvmMethodTraceStart(traceFileName != NULL ? traceFileName : "[DDMS]",
fd, bufferSize, flags, (traceFileName == NULL && fd == -1));
free(traceFileName);
RETURN_VOID();
}
