gator: Version 5.15
Signed-off-by: Jon Medhurst <tixy@linaro.org>
diff --git a/tools/gator/daemon/SessionData.cpp b/tools/gator/daemon/SessionData.cpp
new file mode 100644
index 0000000..4068d4e
--- /dev/null
+++ b/tools/gator/daemon/SessionData.cpp
@@ -0,0 +1,148 @@
+/**
+ * Copyright (C) ARM Limited 2010-2013. 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 <string.h>
+#include "SessionData.h"
+#include "SessionXML.h"
+#include "Logging.h"
+
+SessionData* gSessionData = NULL;
+
+SessionData::SessionData() {
+ initialize();
+}
+
+SessionData::~SessionData() {
+}
+
+void SessionData::initialize() {
+ mWaitingOnCommand = false;
+ mSessionIsActive = false;
+ mLocalCapture = false;
+ mOneShot = false;
+ readCpuInfo();
+ mConfigurationXMLPath = NULL;
+ mSessionXMLPath = NULL;
+ mEventsXMLPath = NULL;
+ mTargetPath = NULL;
+ mAPCDir = NULL;
+ mSampleRate = 0;
+ mLiveRate = 0;
+ mDuration = 0;
+ mBacktraceDepth = 0;
+ mTotalBufferSize = 0;
+ // sysconf(_SC_NPROCESSORS_CONF) is unreliable on 2.6 Android, get the value from the kernel module
+ mCores = 1;
+}
+
+void SessionData::parseSessionXML(char* xmlString) {
+ SessionXML session(xmlString);
+ session.parse();
+
+ // Set session data values
+ if (strcmp(session.parameters.sample_rate, "high") == 0) {
+ mSampleRate = 10000;
+ } else if (strcmp(session.parameters.sample_rate, "normal") == 0) {
+ mSampleRate = 1000;
+ } else if (strcmp(session.parameters.sample_rate, "low") == 0) {
+ mSampleRate = 100;
+ } else if (strcmp(session.parameters.sample_rate, "none") == 0) {
+ mSampleRate = 0;
+ } else {
+ logg->logError(__FILE__, __LINE__, "Invalid sample rate (%s) in session xml.", session.parameters.sample_rate);
+ handleException();
+ }
+ mBacktraceDepth = session.parameters.call_stack_unwinding == true ? 128 : 0;
+ mDuration = session.parameters.duration;
+
+ // Determine buffer size (in MB) based on buffer mode
+ mOneShot = true;
+ if (strcmp(session.parameters.buffer_mode, "streaming") == 0) {
+ mOneShot = false;
+ mTotalBufferSize = 1;
+ } else if (strcmp(session.parameters.buffer_mode, "small") == 0) {
+ mTotalBufferSize = 1;
+ } else if (strcmp(session.parameters.buffer_mode, "normal") == 0) {
+ mTotalBufferSize = 4;
+ } else if (strcmp(session.parameters.buffer_mode, "large") == 0) {
+ mTotalBufferSize = 16;
+ } else {
+ logg->logError(__FILE__, __LINE__, "Invalid value for buffer mode in session xml.");
+ handleException();
+ }
+
+ mImages = session.parameters.images;
+ // Convert milli- to nanoseconds
+ mLiveRate = session.parameters.live_rate * (int64_t)1000000;
+ if (mLiveRate > 0 && mLocalCapture) {
+ logg->logMessage("Local capture is not compatable with live, disabling live");
+ mLiveRate = 0;
+ }
+}
+
+void SessionData::readCpuInfo() {
+ char temp[256]; // arbitrarily large amount
+ strcpy(mCoreName, "unknown");
+ mCpuId = -1;
+
+ FILE* f = fopen("/proc/cpuinfo", "r");
+ if (f == NULL) {
+ logg->logMessage("Error opening /proc/cpuinfo\n"
+ "The core name in the captured xml file will be 'unknown'.");
+ return;
+ }
+
+ bool foundCoreName = false;
+ bool foundCpuId = false;
+ while (fgets(temp, sizeof(temp), f) && (!foundCoreName || !foundCpuId)) {
+ if (strlen(temp) > 0) {
+ temp[strlen(temp) - 1] = 0; // Replace the line feed with a null
+ }
+
+ const bool foundHardware = strstr(temp, "Hardware") != 0;
+ const bool foundCPUPart = strstr(temp, "CPU part") != 0;
+ if (foundHardware || foundCPUPart) {
+ char* position = strchr(temp, ':');
+ if (position == NULL || (unsigned int)(position - temp) + 2 >= strlen(temp)) {
+ logg->logMessage("Unknown format of /proc/cpuinfo\n"
+ "The core name in the captured xml file will be 'unknown'.");
+ return;
+ }
+ position += 2;
+
+ if (foundHardware) {
+ strncpy(mCoreName, position, sizeof(mCoreName));
+ mCoreName[sizeof(mCoreName) - 1] = 0; // strncpy does not guarantee a null-terminated string
+ foundCoreName = true;
+ }
+
+ if (foundCPUPart) {
+ int cpuId = strtol(position, NULL, 16);
+ if (cpuId > mCpuId) {
+ mCpuId = cpuId;
+ }
+ foundCpuId = true;
+ }
+ }
+ }
+
+ if (!foundCoreName) {
+ logg->logMessage("Could not determine core name from /proc/cpuinfo\n"
+ "The core name in the captured xml file will be 'unknown'.");
+ }
+ fclose(f);
+ }
+
+int getEventKey() {
+ // Start one after the gator.ko's value of 1
+ static int key = 2;
+
+ const int ret = key;
+ key += 2;
+ return ret;
+}