ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/package/system/gator-daemon/src/UserSpaceSource.cpp b/package/system/gator-daemon/src/UserSpaceSource.cpp
new file mode 100755
index 0000000..8c328e0
--- /dev/null
+++ b/package/system/gator-daemon/src/UserSpaceSource.cpp
@@ -0,0 +1,89 @@
+/**
+ * Copyright (C) ARM Limited 2010-2014. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "UserSpaceSource.h"
+
+#include <sys/prctl.h>
+#include <unistd.h>
+
+#include "Child.h"
+#include "DriverSource.h"
+#include "Logging.h"
+#include "SessionData.h"
+
+#define NS_PER_US 1000
+
+extern Child *child;
+
+UserSpaceSource::UserSpaceSource(sem_t *senderSem) : mBuffer(0, FRAME_BLOCK_COUNTER, gSessionData->mTotalBufferSize*1024*1024, senderSem) {
+}
+
+UserSpaceSource::~UserSpaceSource() {
+}
+
+bool UserSpaceSource::prepare() {
+ return true;
+}
+
+void UserSpaceSource::run() {
+ prctl(PR_SET_NAME, (unsigned long)&"gatord-counters", 0, 0, 0);
+
+ gSessionData->hwmon.start();
+ gSessionData->fsDriver.start();
+
+ int64_t monotonic_started = 0;
+ while (monotonic_started <= 0) {
+ usleep(10);
+
+ if (DriverSource::readInt64Driver("/dev/gator/started", &monotonic_started) == -1) {
+ logg->logError(__FILE__, __LINE__, "Error reading gator driver start time");
+ handleException();
+ }
+ }
+
+ uint64_t next_time = 0;
+ while (gSessionData->mSessionIsActive) {
+ const uint64_t curr_time = getTime() - monotonic_started;
+ // Sample ten times a second ignoring gSessionData->mSampleRate
+ next_time += NS_PER_S/10;//gSessionData->mSampleRate;
+ if (next_time < curr_time) {
+ logg->logMessage("Too slow, curr_time: %lli next_time: %lli", curr_time, next_time);
+ next_time = curr_time;
+ }
+
+ if (mBuffer.eventHeader(curr_time)) {
+ gSessionData->hwmon.read(&mBuffer);
+ gSessionData->fsDriver.read(&mBuffer);
+ // Only check after writing all counters so that time and corresponding counters appear in the same frame
+ mBuffer.check(curr_time);
+ }
+
+ if (mBuffer.bytesAvailable() <= 0) {
+ logg->logMessage("One shot (counters)");
+ child->endSession();
+ }
+
+ usleep((next_time - curr_time)/NS_PER_US);
+ }
+
+ mBuffer.setDone();
+}
+
+void UserSpaceSource::interrupt() {
+ // Do nothing
+}
+
+bool UserSpaceSource::isDone() {
+ return mBuffer.isDone();
+}
+
+void UserSpaceSource::write(Sender *sender) {
+ if (!mBuffer.isDone()) {
+ mBuffer.write(sender);
+ }
+}