/*
* ======== traceThrFxn ========
*/
static void *traceThrFxn(void *arg)
{
String engineName = (String) arg;
Server_Status status;
FILE *f;
IArg key;
/* determine DSP line prefix: "[DSP] " if local and DSP trace end up at the same
* file, otherwise ""
*/
char *dspPrefix = (dsp0TraceFilePtr == localTraceFilePtr) ? "[DSP] " : "";
DBG("Trace thread started\n");
hEngine = Engine_open(engineName, NULL, NULL);
if (hEngine == NULL) {
ERR("Failed to open codec engine \"%s\"\n", engineName);
threadCreateFailed = TRUE;
return ((void *) -1);
}
/* for multi-process situations, make sure can acquire server trace */
if (Global_useLinkArbiter) {
/* get server handle */
hServer = Engine_getServer(hEngine);
/* cleanup and abort if can't get server handle */
if (hServer == NULL) {
Engine_close(hEngine);
ERR("Failed to get server handle\n");
threadCreateFailed = TRUE;
return ((void *) -1);
}
/* request server trace token */
status = Server_connectTrace(hServer, &traceToken);
/* cleanup and abort if trace could not acquire trace token */
if (status != Server_EOK) {
Engine_close(hEngine);
ERR("Failed to connect for server trace\n");
threadCreateFailed = TRUE;
return ((void *) -1);
}
}
/* else: if single-process, don't need to explictly connect for trace */
Engine_setTrace(hEngine, dsp0mask);
/* create the pipe thread now */
if (cmdPipeFile != NULL && cmdPipeFile[0] != '\0') {
if (pthread_create(&pipeThread, NULL, pipeThrFxn, NULL)) {
ERR("Failed to create pipe thread\n");
} else {
/* run the thread just created so it can immediately execute
* pending cmdPipe trace commands -- in case there are any
*/
while (pipeThreadCreated == FALSE) {
sched_yield();
}
}
}
/* TODO: remove? will LogClient_connect be inside CE? */
/*
* Note, call LogClient_connect() before releasing the main thread to
* avoid context switching away _during_ the connect() call - which could
* result in a skewed timesynch log.
*/
if (dsp0BiosFilePtr != NULL) {
// LogClient_connect();
}
/* Release the spinning main thread to run */
traceThreadCreated = TRUE;
while (!quit) {
if (refresh > 0) {
DBG("Writing DSP logs\n");
key = Gate_enterModule();
Engine_fwriteTrace(hEngine, dspPrefix, dsp0TraceFilePtr);
if (dsp0BiosFilePtr != NULL) {
// LogClient_fwriteLogs(dsp0BiosFilePtr);
}
Gate_leaveModule(key);
DBG("Sleeping for %d us\n", refresh);
usleep(refresh);
} else {
DBG("Sleeping for %d us\n", SLEEPWHENNOREFRESH);
usleep( SLEEPWHENNOREFRESH );
}
}
if (refresh > 0) {
DBG("Trace thread exiting, writing final DSP logs\n");
/* try to collect anything that remained one more time */
key = Gate_enterModule();
Engine_fwriteTrace(hEngine, dspPrefix, dsp0TraceFilePtr);
if (dsp0BiosFilePtr != NULL) {
// LogClient_fwriteLogs(dsp0BiosFilePtr);
}
Gate_leaveModule(key);
}
if (dsp0BiosFilePtr != NULL) {
// LogClient_disconnect();
}
/* for multi-process situations, release trace token back to RMS */
if (Global_useLinkArbiter) {
Server_disconnectTrace(hServer, traceToken);
}
Engine_close(hEngine);
DBG("Quitting trace thread\n");
/* and killing our offspring. */
if (pipeThread != NULL) {
DBG("Telling pipe thread to quit\n");
f = fopen(cmdPipeFile, "w");
if (f != NULL) {
fputs(TRACECMD_QUIT, f);
fclose(f);
DBG("Wrote quit command, waiting for the pipe thread to join\n");
if (pthread_join(pipeThread, NULL)) {
ERR("Failed to join pipe thread\n");
}
DBG("Pipe thread joined.\n");
}
}
return ((void *) 1);
}
/*
* ======== smain ========
*/
Int smain(Int argc, String argv[])
{
Char newTraceMask[MAXTRACESTRING];
Server_Handle server = NULL;
Bool finished = FALSE;
Uns mode = PULLTRACE;
Server_Status status;
Int traceToken;
String mask;
Uns rate;
/* interpret PULLTRACE mode args */
if (argc == 3) {
rate = atoi(argv[1]);
mask = argv[2];
}
/* else, if no args, set mode to TRACEUTIL */
else if (argc == 1) {
mode = TRACEUTIL;
}
/* else, show usage */
else {
fprintf(stderr, usage, argv[0]);
goto done;
}
/* reset, load, and start DSP Engine */
if ((engine = Engine_open(engineName, NULL, NULL)) == NULL) {
fprintf(stderr, "Error: can't open engine %s!\n", engineName);
goto done;
}
/* setup file descriptor mask for checking for user key input */
FD_ZERO(&fdMask);
FD_SET(STDIN_FILENO, &fdMask);
/* if standard output mode... */
if (mode == PULLTRACE) {
printf("Trace polling rate: %d msec\n", rate);
rate *= 1000;
printf("DSP trace mask: %s\n", mask);
/* get server handle */
server = Engine_getServer(engine);
if (server == NULL) {
fprintf(stderr, "Error: can't get server handle!\n");
goto closeEngine;
}
/* connect for server trace data */
status = Server_connectTrace(server, &traceToken);
if (status == Server_EINUSE) {
fprintf(stderr,
"Error: server trace already in use by another process!\n");
goto closeEngine;
}
else if (status != Server_EOK) {
fprintf(stderr, "Error: server connect failed, status = 0x%x!\n",
status);
goto closeEngine;
}
/* server trace mask */
status = Server_setTrace(server, mask);
if (status != (Int) Engine_EOK) {
fprintf(stderr, "Error: unable to set trace mask, status = 0x%x!\n",
status);
goto closeEngine;
}
printf("Hit <Enter> to exit, or, new trace mask and then <Enter>...\n");
while (finished == FALSE) {
dumpTrace(server);
usleep(rate);
if (checkInput(newTraceMask) == TRUE) {
if (strlen(newTraceMask) == 0) {
finished = TRUE;
}
else {
printf("setting new trace mask: %s\n", newTraceMask);
status = Server_setTrace(server, newTraceMask);
if (status != (Int) Engine_EOK) {
fprintf(stderr,
"Error updating trace mask, status = 0x%x!\n",
status);
}
}
}
};
/* discconnect from server trace data */
status = Server_disconnectTrace(server, traceToken);
if (status != Server_EOK) {
fprintf(stderr,
"Error: unable to disconnect from server trace, status = 0x%x!\n",
status);
}
}
/* else, startup TraceUtil to retrieve trace/LOG data and write to files */
else {
TraceUtil_start(engineName);
printf("Started TraceUtil thread\nHit <Enter> to exit...\n");
getchar();
TraceUtil_stop();
}
printf("Done.\n");
closeEngine:
/* close the engine */
if (engine) {
Engine_close(engine);
}
done:
return (0);
}