--- /dev/null
+CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
+PROJECT(ttrace C CXX)
+
+SET(PREFIX ${CMAKE_INSTALL_PREFIX})
+SET(EXEC_PREFIX "\${prefix}")
+SET(LIBDIR "\${prefix}/lib")
+SET(INCLUDEDIR "\${prefix}/include")
+SET(VERSION_MAJOR 1)
+SET(VERSION "${VERSION_MAJOR}.1")
+
+INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include)
+
+ADD_DEFINITIONS("-DPREFIX=\"${PREFIX}\"")
+
+# compiler flags
+SET(EXTRA_CFLAGS "${EXTRA_CFLAGS}")
+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}")
+SET(EXTRA_CXXFLAGS "${EXTRA_CXXFLAGS}")
+
+SET(CMAKE_SKIP_BUILD_RPATH TRUE)
+
+#################################################################
+# Build ttrace Library
+# ------------------------------
+SET(TTRACE "ttrace")
+SET(SRCS_ttrace src/ttrace.c
+ src/TTraceWrapper.cpp)
+SET(HEADERS_ttrace ttrace.h
+ TTraceWrapper.h
+ trace.h)
+
+INCLUDE(FindPkgConfig)
+pkg_check_modules(pkg_ttrace REQUIRED dlog)
+FOREACH(flag ${pkg_ttrace_CFLAGS})
+ SET(EXTRA_CFLAGS_common "${EXTRA_CFLAGS_common} ${flag}")
+ENDFOREACH(flag)
+
+ADD_LIBRARY(${TTRACE} SHARED ${SRCS_ttrace})
+SET_TARGET_PROPERTIES(${TTRACE} PROPERTIES SOVERSION ${VERSION_MAJOR})
+SET_TARGET_PROPERTIES(${TTRACE} PROPERTIES VERSION ${VERSION})
+SET_TARGET_PROPERTIES(${TTRACE} PROPERTIES COMPILE_FLAGS ${EXTRA_CFLAGS_common})
+TARGET_LINK_LIBRARIES(${TTRACE} ${pkg_ttrace_LDFLAGS} "-ldl")
+
+CONFIGURE_FILE(${TTRACE}.pc.in ${TTRACE}.pc @ONLY)
+
+INSTALL(TARGETS ${TTRACE} DESTINATION lib COMPONENT RuntimeLibraries)
+INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/${TTRACE}.pc DESTINATION lib/pkgconfig)
+FOREACH(hfile ${HEADERS_ttrace})
+ INSTALL(FILES ${CMAKE_CURRENT_SOURCE_DIR}/include/${hfile} DESTINATION include)
+ENDFOREACH(hfile)
+
+#################################################################
+# Build atrace Library (KK)
+# ------------------------------
+SET(ATRACE "atrace")
+SET(SRCS_atrace src/atrace/atrace.cpp)
+SET(HEADERS_atrace src/ttrace/ttrace.h)
+
+INCLUDE(FindPkgConfig)
+pkg_check_modules(pkg_atrace REQUIRED zlib)
+FOREACH(flag ${pkg_atrace_CXXFLAGS})
+ SET(EXTRA_CXXFLAGS_common "${EXTRA_CXXFLAGS_common} ${flag}")
+ENDFOREACH(flag)
+SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CXXFLAGS} ${EXTRA_CXXFLAGS_common}")
+MESSAGE("CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
+
+ADD_EXECUTABLE(${ATRACE} ${SRCS_atrace})
+SET_TARGET_PROPERTIES(${ATRACE} PROPERTIES SOVERSION ${VERSION_MAJOR})
+SET_TARGET_PROPERTIES(${ATRACE} PROPERTIES VERSION ${VERSION})
+#SET_TARGET_PROPERTIES(${ATRACE} PROPERTIES COMPILE_FLAGS ${EXTRA_CFLAGS_common})
+TARGET_LINK_LIBRARIES(${ATRACE} ${pkg_atrace_LDFLAGS} "-ldl")
+
+CONFIGURE_FILE(${ATRACE}.pc.in ${ATRACE}.pc @ONLY)
+
+INSTALL(TARGETS ${ATRACE} DESTINATION bin)
+INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/${ATRACE}.pc DESTINATION lib/pkgconfig)
--- /dev/null
+Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+ any Contribution intentionally submitted for inclusion in the Work
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
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+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
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+
+ To apply the Apache License to your work, attach the following
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+ Copyright [yyyy] [name of copyright owner]
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+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
--- /dev/null
+# Package Information for pkg-config
+
+prefix=@PREFIX@
+exec_prefix=@EXEC_PREFIX@
+libdir=@LIBDIR@
+includedir=@INCLUDEDIR@
+
+Name: atrace
+Description: atrace for tizen
+Version: @VERSION@
+Requires: zlib
+Libs: -L${libdir} -latrace
+Cflags: -I${includedir}
--- /dev/null
+/*
+ * T-trace
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __TIZEN_SYSTEM_TRACE_DOC_H__
+#define __TIZEN_SYSTEM_TRACE_DOC_H__
+
+/**
+ * @ingroup CAPI_SYSTEM_FRAMEWORK
+ * @defgroup CAPI_SYSTEM_TRACE_MODULE T-trace
+ * @brief The T-trace API provides functions for writing trace message to the system trace buffer.
+ * @section CAPI_SYSTEM_TRACE_MODULE_HEADER Required Header
+ * \#include <trace.h>
+ *
+ * @section CAPI_SYSTEM_TRACE_MODULE_OVERVIEW Overview
+ *
+ * The T-trace API provides functions for writing trace event to the system trace buffer. By using T-trace tool, These events can be displayed with T-trace event from Tizen framework.
+ *
+ * For more information on features, see T-trace User Guide and T-Trace Tutorial.
+**/
+
+#endif /* __TIZEN_SYSTEM_TRACE_DOC_H__ */
--- /dev/null
+/*
+ * T-trace
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __TTRACE_WRAPPER_H_
+#define __TTRACE_WRAPPER_H_
+
+#define MAX_LEN 512
+
+#include <ttrace.h>
+#include <stdarg.h>
+class TTraceWrapper {
+ private:
+ int tag;
+ public:
+ TTraceWrapper(int tags, const char* label, ...);
+ ~TTraceWrapper();
+};
+
+#define TTRACE(tags, label, args...) TTraceWrapper ttrace(tags, label, ##args)
+
+#endif
+
--- /dev/null
+/*
+ * T-trace
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file trace.h
+ * @brief This file contains the tracing API.
+ */
+
+#ifndef _CDBG_TIZEN_TRACE_H_
+#define _CDBG_TIZEN_TRACE_H_
+
+#include <tizen.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * @addtogroup CAPI_SYSTEM_TRACE_MODULE
+ * @{
+ *
+ */
+
+/**
+* @brief Enumeration for Trace Error.
+* @since_tizen 2.4
+*/
+typedef enum {
+ TRACE_ERROR_NONE = TIZEN_ERROR_NONE, /**< Successful */
+ TRACE_ERROR_IO_ERROR = TIZEN_ERROR_IO_ERROR /**< I/O error */
+} trace_error_e;
+
+/**
+ * @brief Writes a trace event to indicate that a synchronous event has begun.
+ *
+ * @since_tizen 2.4
+ * @remarks The specific error code can be obtained using the get_last_result() method. Error codes are described in Exception section.
+ * @param[in] name The name of event (optionally containing format specifiers)
+ * @exception TRACE_ERROR_NONE Success
+ * @exception TRACE_ERROR_IO_ERROR I/O error
+ * @see trace_end()
+ */
+void trace_begin(const char *name, ...);
+
+/**
+ * @brief Writes a trace event to indicate that the synchronous event has ended.
+ *
+ * @since_tizen 2.4
+ * @remarks trace_end() ends the most recently called trace_begin().
+ * @remarks The specific error code can be obtained using the get_last_result() method. Error codes are described in Exception section.
+ * @exception TRACE_ERROR_NONE Success
+ * @exception TRACE_ERROR_IO_ERROR I/O error
+ * @see trace_begin()
+ */
+void trace_end();
+
+/**
+ * @brief Writes a trace event to indicate that an asynchronous event has begun.
+ *
+ * @since_tizen 2.4
+ * @remarks The specific error code can be obtained using the get_last_result() method. Error codes are described in Exception section.
+ * @param[in] cookie An unique identifier for distinguishing simultaneous events
+ * @param[in] name The name of event (optionally containing format specifiers)
+ * @exception TRACE_ERROR_NONE Success
+ * @exception TRACE_ERROR_IO_ERROR I/O error
+ * @see trace_async_end()
+ */
+void trace_async_begin(int cookie, const char *name, ...);
+
+/**
+ * @brief Writes a trace event to indicate that the asynchronous event has ended.
+ *
+ * @since_tizen 2.4
+ * @remarks trace_async_end() ends matched trace_async_begin() which has same cookie and name.
+ * @remarks The specific error code can be obtained using the get_last_result() method. Error codes are described in Exception section.
+ * @param[in] cookie An unique identifier for distinguishing simultaneous events
+ * @param[in] name The name of event (optionally containing format specifiers)
+ * @exception TRACE_ERROR_NONE Success
+ * @exception TRACE_ERROR_IO_ERROR I/O error
+ * @see trace_async_begin()
+ */
+void trace_async_end(int cookie, const char *name, ...);
+
+/**
+ * @brief Writes a trace event to track change of integer counter
+ *
+ * @since_tizen 2.4
+ * @remarks The specific error code can be obtained using the get_last_result() method. Error codes are described in Exception section.
+ * @param[in] value The counter value
+ * @param[in] name The name of event (optionally containing format specifiers)
+ * @exception TRACE_ERROR_NONE Success
+ * @exception TRACE_ERROR_IO_ERROR I/O error
+ */
+void trace_update_counter(int value, const char *name, ...);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* _CDBG_TIZEN_TRACE_H_ */
+
--- /dev/null
+/*
+ * T-trace
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _CDBG_TIZEN_TTRACE_H_
+#define _CDBG_TIZEN_TTRACE_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/* Define TTRACE_TAG */
+#define TTRACE_TAG_NEVER 0 // This tag is never enabled.
+#define TTRACE_TAG_ALWAYS (1<<0) // This tag is always enabled.
+#define TTRACE_TAG_APP TTRACE_TAG_ALWAYS
+#define TTRACE_TAG_GRAPHICS (1<<1)
+#define TTRACE_TAG_INPUT (1<<2)
+#define TTRACE_TAG_VIEW (1<<3)
+#define TTRACE_TAG_WEB (1<<4)
+#define TTRACE_TAG_WINDOW_MANAGER (1<<5)
+#define TTRACE_TAG_APPLICATION_MANAGER (1<<6)
+#define TTRACE_TAG_IMAGE (1<<7)
+#define TTRACE_TAG_AUDIO (1<<8)
+#define TTRACE_TAG_VIDEO (1<<9)
+#define TTRACE_TAG_CAMERA (1<<10)
+#define TTRACE_TAG_HAL (1<<11)
+#define TTRACE_TAG_MEDIA_CONTENT (1<<12)
+#define TTRACE_TAG_MEDIA_DB (1<<13)
+#define TTRACE_TAG_SCREEN_MIRRORING (1<<14)
+#define TTRACE_TAG_LAST TTRACE_TAG_SCREEN_MIRRORING
+
+void traceBegin(int tag, const char *name, ...);
+void traceEnd(int tag);
+void traceAsyncBegin(int tag, int cookie, const char *name, ...);
+void traceAsyncEnd(int tag, int cookie, const char *name, ...);
+void traceMark(int tag, const char *name, ...);
+void traceCounter(int tag, int value, const char *name, ...);
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* _CDBG_TIZEN_TTRACE_H_ */
+
--- /dev/null
+#!/bin/bash
+
+conf="/etc/ttrace.conf"
+change_permission="--update"
+
+chmod 0222 /sys/kernel/debug/tracing/trace_marker
+attr -S -s SMACK64 -V '*' /sys/kernel/debug/tracing/trace_marker
+
+chown root:developer /sys/kernel/debug/tracing/trace_clock
+chown root:developer /sys/kernel/debug/tracing/buffer_size_kb
+chown root:developer /sys/kernel/debug/tracing/options/overwrite
+chown root:developer /sys/kernel/debug/tracing/options/print-tgid
+chown root:developer /sys/kernel/debug/tracing/events/sched/sched_switch/enable
+chown root:developer /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable
+chown root:developer /sys/kernel/debug/tracing/events/power/cpu_frequency/enable
+chown root:developer /sys/kernel/debug/tracing/events/power/clock_set_rate/enable
+#chown root:developer /sys/kernel/debug/tracing/events/cpufreq_interactive/enable
+chown root:developer /sys/kernel/debug/tracing/tracing_on
+chown root:developer /sys/kernel/debug/tracing/trace
+chown root:developer /usr/bin/atrace
+
+chmod 0664 /sys/kernel/debug/tracing/trace_clock
+chmod 0664 /sys/kernel/debug/tracing/buffer_size_kb
+chmod 0664 /sys/kernel/debug/tracing/options/overwrite
+chmod 0664 /sys/kernel/debug/tracing/options/print-tgid
+chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_switch/enable
+chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable
+chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_frequency/enable
+chmod 0664 /sys/kernel/debug/tracing/events/power/clock_set_rate/enable
+#chmod 0664 /sys/kernel/debug/tracing/events/cpufreq_interactive/enable
+chmod 0664 /sys/kernel/debug/tracing/tracing_on
+chmod 0660 /sys/kernel/debug/tracing/trace
+chmod 0755 /sys/kernel/debug
+chmod 0755 /usr/bin/atrace
+
+attr -S -s SMACK64 -V '*' /sys/kernel/debug/tracing/trace_clock
+attr -S -s SMACK64 -V '*' /sys/kernel/debug/tracing/buffer_size_kb
+attr -S -s SMACK64 -V '*' /sys/kernel/debug/tracing/options/overwrite
+attr -S -s SMACK64 -V '*' /sys/kernel/debug/tracing/options/print-tgid
+attr -S -s SMACK64 -V '*' /sys/kernel/debug/tracing/events/sched/sched_switch/enable
+attr -S -s SMACK64 -V '*' /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable
+attr -S -s SMACK64 -V '*' /sys/kernel/debug/tracing/events/power/cpu_frequency/enable
+attr -S -s SMACK64 -V '*' /sys/kernel/debug/tracing/events/power/clock_set_rate/enable
+#attr -S -s SMACK64 -V '*' /sys/kernel/debug/tracing/events/cpufreq_interactive/enable
+attr -S -s SMACK64 -V '*' /sys/kernel/debug/tracing/tracing_on
+attr -S -s SMACK64 -V '*' /sys/kernel/debug/tracing/trace
+attr -S -s SMACK64 -V '*' /usr/bin/atrace
+
+if [ -e "$conf" ]
+then
+ echo "$conf was found!!!"
+
+ while read line
+ do
+ options=$line
+ echo "File name is - $conf"
+ echo "Options is - $options"
+ done < "$conf"
+
+ change-booting-mode.sh "$change_permission"
+ $options > "/tmp/trace"
+ rm "$conf"
+else
+ echo "$conf was NOT found!!!"
+ atrace
+ echo 0 > "/sys/kernel/debug/tracing/trace"
+ echo 0 > "/sys/kernel/debug/tracing/tracing_on"
+fi
+
+exit 0
--- /dev/null
+[Unit]
+Description=T-trace marker
+DefaultDependencies=no
+After=sys-kernel-debug.mount
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/exec-ttrace-marker
+
+[Install]
+WantedBy=sys-kernel-debug.mount
--- /dev/null
+Name: ttrace
+Summary: T-trace for tizen
+Version: 1.0.0
+Release: 1
+Group: System/Libraries
+License: Apache-2.0
+Source0: %{name}-%{version}.tar.gz
+SOURCE101: packaging/exec-ttrace-marker
+SOURCE102: packaging/ttrace-marker.service
+BuildRequires: pkgconfig(dlog)
+BuildRequires: pkgconfig(zlib)
+BuildRequires: cmake
+
+%description
+T-trace library
+
+%package devel
+Summary: T-trace for tizen
+Group: Development/Libraries
+Requires: %{name} = %{version}-%{release}
+
+%description devel
+T-trace library devel
+
+%prep
+%setup -q
+
+%build
+export CFLAGS="$CFLAGS -g -Wall -std=gnu99"
+export CXXFLAGS="$CXXFLAGS -std=c++0x -fPIE -pie"
+cmake -DCMAKE_INSTALL_PREFIX=%{_prefix} .
+make %{?jobs:-j%jobs}
+
+%install
+rm -rf %{buildroot}
+%make_install
+install -d %{buildroot}%{_libdir}/systemd/system/ttrace-marker.service.wants
+install -m0644 %{SOURCE102} %{buildroot}%{_libdir}/systemd/system/
+mkdir -p %{buildroot}%{_bindir}
+cp %{SOURCE101} %{buildroot}%{_bindir}
+mkdir -p %{buildroot}/usr/share/license
+cp LICENSE %{buildroot}/usr/share/license/%{name}
+mkdir -p %{buildroot}/etc/systemd/system/sys-kernel-debug.mount.wants/
+ln -s %{_libdir}/systemd/system/ttrace-marker.service %{buildroot}/etc/systemd/system/sys-kernel-debug.mount.wants/ttrace-marker.service
+
+%post -p /sbin/ldconfig
+
+%postun -p /sbin/ldconfig
+
+%files
+%manifest ttrace.manifest
+%defattr(-,root,root,-)
+%{_libdir}/libttrace.so.*
+%{_libdir}/systemd/system/ttrace-marker.service
+%{_libdir}/systemd/system/ttrace-marker.service.wants/
+%attr(755,root,root) %{_bindir}/atrace
+%attr(755,root,root) %{_bindir}/atrace-1.1
+%attr(755,root,root) %{_bindir}/exec-ttrace-marker
+/etc/systemd/system/sys-kernel-debug.mount.wants/ttrace-marker.service
+/usr/share/license/%{name}
+
+%files devel
+%defattr(-,root,root,-)
+%{_includedir}/ttrace.h
+%{_includedir}/TTraceWrapper.h
+%{_includedir}/trace.h
+%{_libdir}/libttrace.so
+%{_libdir}/pkgconfig/ttrace.pc
+%{_libdir}/pkgconfig/atrace.pc
--- /dev/null
+/*
+ * T-trace
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "TTraceWrapper.h"
+#include <stdio.h>
+
+TTraceWrapper::TTraceWrapper(int tags, const char* label, ...) {
+ va_list ap;
+ char fmtd_label[MAX_LEN];
+
+ tag = tags;
+ va_start(ap, label);
+ vsnprintf(fmtd_label, MAX_LEN, label, ap);
+
+ traceBegin(tag, fmtd_label);
+ va_end(ap);
+}
+
+TTraceWrapper::~TTraceWrapper() {
+ traceEnd(tag);
+}
--- /dev/null
+
+ Copyright (c) 2012, The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
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+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
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+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
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+
+ 6. Trademarks. This License does not grant permission to use the trade
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
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+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
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+
+ END OF TERMS AND CONDITIONS
+
--- /dev/null
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define DEVICE_TYPE_TIZEN //build atrace for tizen platform
+
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/sendfile.h>
+#include <time.h>
+#include <zlib.h>
+
+#ifdef DEVICE_TYPE_TIZEN
+#include <stdint.h>
+#include <strings.h>
+#include <string.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include "ttrace.h"
+#define TTRACE_TAG_NONE 9999
+#define TAG_NONE_IDX 0
+#else
+#include <binder/IBinder.h>
+#include <binder/IServiceManager.h>
+#include <binder/Parcel.h>
+
+#include <cutils/properties.h>
+
+#include <utils/String8.h>
+#include <utils/Trace.h>
+
+using namespace android;
+#endif
+#define NELEM(x) ((int) (sizeof(x) / sizeof((x)[0])))
+
+enum { MAX_SYS_FILES = 8 };
+
+#ifdef DEVICE_TYPE_TIZEN
+static uint32_t *sm_for_enabled_tag = NULL;
+#else
+const char* k_traceTagsProperty = "debug.atrace.tags.enableflags";
+const char* k_traceAppCmdlineProperty = "debug.atrace.app_cmdlines";
+#endif
+
+typedef enum { OPT, REQ } requiredness ;
+
+struct TracingCategory {
+ // The name identifying the category.
+ const char* name;
+
+ // A longer description of the category.
+ const char* longname;
+
+ // The userland tracing tags that the category enables.
+ uint64_t tags;
+
+ // The fname==NULL terminated list of /sys/ files that the category
+ // enables.
+ struct {
+ // Whether the file must be writable in order to enable the tracing
+ // category.
+ requiredness required;
+
+ // The path to the enable file.
+ const char* path;
+ } sysfiles[MAX_SYS_FILES];
+};
+
+/* Tracing categories */
+static const TracingCategory k_categories[] = {
+#ifdef DEVICE_TYPE_TIZEN
+ { "none", "None", TTRACE_TAG_NONE, { } }, //do not change "none" option's index
+ { "gfx", "Graphics", TTRACE_TAG_GRAPHICS, { } },
+ { "input", "Input", TTRACE_TAG_INPUT, { } },
+ { "view", "View System", TTRACE_TAG_VIEW, { } },
+ { "web", "Web", TTRACE_TAG_WEB, { } },
+ { "wm", "Window Manager", TTRACE_TAG_WINDOW_MANAGER, { } },
+ { "am", "Application Manager", TTRACE_TAG_APPLICATION_MANAGER, { } },
+ { "image", "Image", TTRACE_TAG_IMAGE, { } },
+ { "audio", "Audio", TTRACE_TAG_AUDIO, { } },
+ { "video", "Video", TTRACE_TAG_VIDEO, { } },
+ { "camera", "Camera", TTRACE_TAG_CAMERA, { } },
+ { "hal", "Hardware Modules", TTRACE_TAG_HAL, { } },
+ { "mc", "Multimedia content", TTRACE_TAG_MEDIA_CONTENT, { } },
+ { "mdb", "Multimedia database", TTRACE_TAG_MEDIA_DB, { } },
+ { "scmirroring","Screen mirroring", TTRACE_TAG_SCREEN_MIRRORING, { } },
+#else
+ { "gfx", "Graphics", ATRACE_TAG_GRAPHICS, { } },
+ { "input", "Input", ATRACE_TAG_INPUT, { } },
+ { "view", "View System", ATRACE_TAG_VIEW, { } },
+ { "webview", "WebView", ATRACE_TAG_WEBVIEW, { } },
+ { "wm", "Window Manager", ATRACE_TAG_WINDOW_MANAGER, { } },
+ { "am", "Activity Manager", ATRACE_TAG_ACTIVITY_MANAGER, { } },
+ { "audio", "Audio", ATRACE_TAG_AUDIO, { } },
+ { "video", "Video", ATRACE_TAG_VIDEO, { } },
+ { "camera", "Camera", ATRACE_TAG_CAMERA, { } },
+ { "hal", "Hardware Modules", ATRACE_TAG_HAL, { } },
+ { "res", "Resource Loading", ATRACE_TAG_RESOURCES, { } },
+ { "dalvik", "Dalvik VM", ATRACE_TAG_DALVIK, { } },
+ { "rs", "RenderScript", ATRACE_TAG_RS, { } },
+#endif
+ { "sched", "CPU Scheduling", 0, {
+ { REQ, "/sys/kernel/debug/tracing/events/sched/sched_switch/enable" },
+ { REQ, "/sys/kernel/debug/tracing/events/sched/sched_wakeup/enable" },
+ } },
+ { "freq", "CPU Frequency", 0, {
+ { REQ, "/sys/kernel/debug/tracing/events/power/cpu_frequency/enable" },
+ { OPT, "/sys/kernel/debug/tracing/events/power/clock_set_rate/enable" },
+ } },
+ { "membus", "Memory Bus Utilization", 0, {
+ { REQ, "/sys/kernel/debug/tracing/events/memory_bus/enable" },
+ } },
+ { "idle", "CPU Idle", 0, {
+ { REQ, "/sys/kernel/debug/tracing/events/power/cpu_idle/enable" },
+ } },
+ { "disk", "Disk I/O", 0, {
+ { REQ, "/sys/kernel/debug/tracing/events/ext4/ext4_sync_file_enter/enable" },
+ { REQ, "/sys/kernel/debug/tracing/events/ext4/ext4_sync_file_exit/enable" },
+ { REQ, "/sys/kernel/debug/tracing/events/block/block_rq_issue/enable" },
+ { REQ, "/sys/kernel/debug/tracing/events/block/block_rq_complete/enable" },
+ } },
+ { "mmc", "eMMC commands", 0, {
+ { REQ, "/sys/kernel/debug/tracing/events/mmc/enable" },
+ } },
+ { "load", "CPU Load", 0, {
+ { REQ, "/sys/kernel/debug/tracing/events/cpufreq_interactive/enable" },
+ } },
+ { "sync", "Synchronization", 0, {
+ { REQ, "/sys/kernel/debug/tracing/events/sync/enable" },
+ } },
+ { "workq", "Kernel Workqueues", 0, {
+ { REQ, "/sys/kernel/debug/tracing/events/workqueue/enable" },
+ } },
+};
+
+/* Command line options */
+static int g_traceDurationSeconds = 5;
+static bool g_traceOverwrite = false;
+static int g_traceBufferSizeKB = 2048;
+static bool g_compress = false;
+static bool g_nohup = false;
+static int g_initialSleepSecs = 0;
+static const char* g_kernelTraceFuncs = NULL;
+static const char* g_debugAppCmdLine = "";
+
+/* Global state */
+static bool g_traceAborted = false;
+static bool g_categoryEnables[NELEM(k_categories)] = {};
+
+/* Sys file paths */
+static const char* k_traceClockPath =
+ "/sys/kernel/debug/tracing/trace_clock";
+
+static const char* k_traceBufferSizePath =
+ "/sys/kernel/debug/tracing/buffer_size_kb";
+
+static const char* k_tracingOverwriteEnablePath =
+ "/sys/kernel/debug/tracing/options/overwrite";
+
+static const char* k_currentTracerPath =
+ "/sys/kernel/debug/tracing/current_tracer";
+
+static const char* k_printTgidPath =
+ "/sys/kernel/debug/tracing/options/print-tgid";
+
+static const char* k_funcgraphAbsTimePath =
+ "/sys/kernel/debug/tracing/options/funcgraph-abstime";
+
+static const char* k_funcgraphCpuPath =
+ "/sys/kernel/debug/tracing/options/funcgraph-cpu";
+
+static const char* k_funcgraphProcPath =
+ "/sys/kernel/debug/tracing/options/funcgraph-proc";
+
+static const char* k_funcgraphFlatPath =
+ "/sys/kernel/debug/tracing/options/funcgraph-flat";
+
+static const char* k_funcgraphDurationPath =
+ "/sys/kernel/debug/tracing/options/funcgraph-duration";
+
+static const char* k_ftraceFilterPath =
+ "/sys/kernel/debug/tracing/set_ftrace_filter";
+
+static const char* k_tracingOnPath =
+ "/sys/kernel/debug/tracing/tracing_on";
+
+static const char* k_tracePath =
+ "/sys/kernel/debug/tracing/trace";
+
+// Check whether a file exists.
+static bool fileExists(const char* filename) {
+ return access(filename, F_OK) != -1;
+}
+
+// Check whether a file is writable.
+static bool fileIsWritable(const char* filename) {
+ return access(filename, W_OK) != -1;
+}
+
+// Truncate a file.
+static bool truncateFile(const char* path)
+{
+ // This uses creat rather than truncate because some of the debug kernel
+ // device nodes (e.g. k_ftraceFilterPath) currently aren't changed by
+ // calls to truncate, but they are cleared by calls to creat.
+ int traceFD = creat(path, 0);
+ if (traceFD == -1) {
+ fprintf(stderr, "error truncating %s: %s (%d)\n", path,
+ strerror(errno), errno);
+ return false;
+ }
+
+ close(traceFD);
+
+ return true;
+}
+
+static bool _writeStr(const char* filename, const char* str, int flags)
+{
+ int fd = open(filename, flags);
+ if (fd == -1) {
+ fprintf(stderr, "error opening %s: %s (%d)\n", filename,
+ strerror(errno), errno);
+ return false;
+ }
+
+ bool ok = true;
+ ssize_t len = strlen(str);
+ if (write(fd, str, len) != len) {
+ fprintf(stderr, "error writing to %s: %s (%d)\n", filename,
+ strerror(errno), errno);
+ ok = false;
+ }
+
+ close(fd);
+
+ return ok;
+}
+
+// Write a string to a file, returning true if the write was successful.
+static bool writeStr(const char* filename, const char* str)
+{
+ return _writeStr(filename, str, O_WRONLY);
+}
+
+// Append a string to a file, returning true if the write was successful.
+static bool appendStr(const char* filename, const char* str)
+{
+ return _writeStr(filename, str, O_APPEND|O_WRONLY);
+}
+
+// Enable or disable a kernel option by writing a "1" or a "0" into a /sys
+// file.
+static bool setKernelOptionEnable(const char* filename, bool enable)
+{
+ return writeStr(filename, enable ? "1" : "0");
+}
+
+// Check whether the category is supported on the device with the current
+// rootness. A category is supported only if all its required /sys/ files are
+// writable and if enabling the category will enable one or more tracing tags
+// or /sys/ files.
+static bool isCategorySupported(const TracingCategory& category)
+{
+ bool ok = category.tags != 0;
+ for (int i = 0; i < MAX_SYS_FILES; i++) {
+ const char* path = category.sysfiles[i].path;
+ bool req = category.sysfiles[i].required == REQ;
+ if (path != NULL) {
+ if (req) {
+ if (!fileIsWritable(path)) {
+ return false;
+ } else {
+ ok = true;
+ }
+ } else {
+ ok |= fileIsWritable(path);
+ }
+ }
+ }
+ return ok;
+}
+
+// Check whether the category would be supported on the device if the user
+// were root. This function assumes that root is able to write to any file
+// that exists. It performs the same logic as isCategorySupported, but it
+// uses file existance rather than writability in the /sys/ file checks.
+static bool isCategorySupportedForRoot(const TracingCategory& category)
+{
+ bool ok = category.tags != 0;
+ for (int i = 0; i < MAX_SYS_FILES; i++) {
+ const char* path = category.sysfiles[i].path;
+ bool req = category.sysfiles[i].required == REQ;
+ if (path != NULL) {
+ if (req) {
+ if (!fileExists(path)) {
+ return false;
+ } else {
+ ok = true;
+ }
+ } else {
+ ok |= fileExists(path);
+ }
+ }
+ }
+ return ok;
+}
+
+// Enable or disable overwriting of the kernel trace buffers. Disabling this
+// will cause tracing to stop once the trace buffers have filled up.
+static bool setTraceOverwriteEnable(bool enable)
+{
+ return setKernelOptionEnable(k_tracingOverwriteEnablePath, enable);
+}
+
+// Enable or disable kernel tracing.
+static bool setTracingEnabled(bool enable)
+{
+ return setKernelOptionEnable(k_tracingOnPath, enable);
+}
+
+// Clear the contents of the kernel trace.
+static bool clearTrace()
+{
+ return truncateFile(k_tracePath);
+}
+
+// Set the size of the kernel's trace buffer in kilobytes.
+static bool setTraceBufferSizeKB(int size)
+{
+ char str[32] = "1";
+ int len;
+ if (size < 1) {
+ size = 1;
+ }
+ snprintf(str, 32, "%d", size);
+ return writeStr(k_traceBufferSizePath, str);
+}
+
+// Enable or disable the kernel's use of the global clock. Disabling the global
+// clock will result in the kernel using a per-CPU local clock.
+static bool setGlobalClockEnable(bool enable)
+{
+ return writeStr(k_traceClockPath, enable ? "global" : "local");
+}
+
+static bool setPrintTgidEnableIfPresent(bool enable)
+{
+ if (fileExists(k_printTgidPath)) {
+ return setKernelOptionEnable(k_printTgidPath, enable);
+ }
+ return true;
+}
+
+// Poke all the binder-enabled processes in the system to get them to re-read
+// their system properties.
+static bool pokeBinderServices()
+{
+#ifndef DEVICE_TYPE_TIZEN
+ sp<IServiceManager> sm = defaultServiceManager();
+ Vector<String16> services = sm->listServices();
+ for (size_t i = 0; i < services.size(); i++) {
+ sp<IBinder> obj = sm->checkService(services[i]);
+ if (obj != NULL) {
+ Parcel data;
+ if (obj->transact(IBinder::SYSPROPS_TRANSACTION, data,
+ NULL, 0) != OK) {
+ if (false) {
+ // XXX: For some reason this fails on tablets trying to
+ // poke the "phone" service. It's not clear whether some
+ // are expected to fail.
+ String8 svc(services[i]);
+ fprintf(stderr, "error poking binder service %s\n",
+ svc.string());
+ return false;
+ }
+ }
+ }
+ }
+#endif
+ return true;
+}
+
+// Set the trace tags that userland tracing uses, and poke the running
+// processes to pick up the new value.
+static bool setTagsProperty(uint64_t tags)
+{
+#ifdef DEVICE_TYPE_TIZEN
+ int shmid;
+ int skey = 1106;
+ void *shm_val = (void *) 0;
+
+ if (sm_for_enabled_tag == NULL) {
+ if(-1 == (shmid = shmget((key_t)skey, sizeof(int), 0666|IPC_CREAT)))
+ {
+ fprintf(stderr, "error: shmget() failed\n");
+ return false;
+ }
+ if((void *)-1 == (shm_val = (void *) shmat(shmid, (void *)0, 0)))
+ {
+ fprintf(stderr, "error: shmat() failed\n");
+ return false;
+ }
+ sm_for_enabled_tag = (uint32_t *)shm_val;
+ }
+
+ if(tags){
+ *sm_for_enabled_tag = (uint32_t)tags;
+ fprintf(stderr, "Enabled TAGs: %u\n", (uint32_t)*sm_for_enabled_tag); /* just for debugging */
+ } else {
+ *sm_for_enabled_tag = (uint32_t)0;
+ }
+#else
+ char buf[64];
+ snprintf(buf, 64, "%#llx", tags);
+ if (property_set(k_traceTagsProperty, buf) < 0) {
+ fprintf(stderr, "error setting trace tags system property\n");
+ return false;
+ }
+#endif
+ return true;
+}
+
+// Set the system property that indicates which apps should perform
+// application-level tracing.
+static bool setAppCmdlineProperty(const char* cmdline)
+{
+#ifndef DEVICE_TYPE_TIZEN
+ if (property_set(k_traceAppCmdlineProperty, cmdline) < 0) {
+ fprintf(stderr, "error setting trace app system property\n");
+ return false;
+ }
+#endif
+ return true;
+}
+
+// Disable all /sys/ enable files.
+static bool disableKernelTraceEvents() {
+ bool ok = true;
+ for (int i = 0; i < NELEM(k_categories); i++) {
+ const TracingCategory &c = k_categories[i];
+ for (int j = 0; j < MAX_SYS_FILES; j++) {
+ const char* path = c.sysfiles[j].path;
+ if (path != NULL && fileIsWritable(path)) {
+ ok &= setKernelOptionEnable(path, false);
+ }
+ }
+ }
+ return ok;
+}
+
+// Verify that the comma separated list of functions are being traced by the
+// kernel.
+static bool verifyKernelTraceFuncs(const char* funcs)
+{
+#ifndef DEVICE_TYPE_TIZEN
+ int fd = open(k_ftraceFilterPath, O_RDONLY);
+ if (fd == -1) {
+ fprintf(stderr, "error opening %s: %s (%d)\n", k_ftraceFilterPath,
+ strerror(errno), errno);
+ return false;
+ }
+
+ char buf[4097];
+ ssize_t n = read(fd, buf, 4096);
+ close(fd);
+ if (n == -1) {
+ fprintf(stderr, "error reading %s: %s (%d)\n", k_ftraceFilterPath,
+ strerror(errno), errno);
+ return false;
+ }
+
+ buf[n] = '\0';
+ String8 funcList = String8::format("\n%s", buf);
+
+ // Make sure that every function listed in funcs is in the list we just
+ // read from the kernel.
+ bool ok = true;
+ char* myFuncs = strdup(funcs);
+ char* func = strtok(myFuncs, ",");
+ while (func) {
+ String8 fancyFunc = String8::format("\n%s\n", func);
+ bool found = funcList.find(fancyFunc.string(), 0) >= 0;
+ if (!found || func[0] == '\0') {
+ fprintf(stderr, "error: \"%s\" is not a valid kernel function "
+ "to trace.\n", func);
+ ok = false;
+ }
+ func = strtok(NULL, ",");
+ }
+ free(myFuncs);
+ return ok;
+#else
+ return true;
+#endif
+}
+
+// Set the comma separated list of functions that the kernel is to trace.
+static bool setKernelTraceFuncs(const char* funcs)
+{
+ bool ok = true;
+
+ if (funcs == NULL || funcs[0] == '\0') {
+ // Disable kernel function tracing.
+ if (fileIsWritable(k_currentTracerPath)) {
+ ok &= writeStr(k_currentTracerPath, "nop");
+ }
+ if (fileIsWritable(k_ftraceFilterPath)) {
+ ok &= truncateFile(k_ftraceFilterPath);
+ }
+ } else {
+ // Enable kernel function tracing.
+ ok &= writeStr(k_currentTracerPath, "function_graph");
+ ok &= setKernelOptionEnable(k_funcgraphAbsTimePath, true);
+ ok &= setKernelOptionEnable(k_funcgraphCpuPath, true);
+ ok &= setKernelOptionEnable(k_funcgraphProcPath, true);
+ ok &= setKernelOptionEnable(k_funcgraphFlatPath, true);
+
+ // Set the requested filter functions.
+ ok &= truncateFile(k_ftraceFilterPath);
+ char* myFuncs = strdup(funcs);
+ char* func = strtok(myFuncs, ",");
+ while (func) {
+ ok &= appendStr(k_ftraceFilterPath, func);
+ func = strtok(NULL, ",");
+ }
+ free(myFuncs);
+
+ // Verify that the set functions are being traced.
+ if (ok) {
+ ok &= verifyKernelTraceFuncs(funcs);
+ }
+ }
+
+ return ok;
+}
+
+// Set all the kernel tracing settings to the desired state for this trace
+// capture.
+static bool setUpTrace()
+{
+ bool ok = true;
+
+ // Set up the tracing options.
+ ok &= setTraceOverwriteEnable(g_traceOverwrite);
+ ok &= setTraceBufferSizeKB(g_traceBufferSizeKB);
+ ok &= setGlobalClockEnable(true);
+ ok &= setPrintTgidEnableIfPresent(true);
+ ok &= setKernelTraceFuncs(g_kernelTraceFuncs);
+
+ // Set up the tags property.
+ uint64_t tags = 0;
+#ifdef DEVICE_TYPE_TIZEN
+ if (g_categoryEnables[TAG_NONE_IDX]) tags = TTRACE_TAG_NEVER;
+ else {
+#endif
+ for (int i = 0; i < NELEM(k_categories); i++) {
+ if (g_categoryEnables[i]) {
+ const TracingCategory &c = k_categories[i];
+ tags |= c.tags;
+ }
+ }
+#ifdef DEVICE_TYPE_TIZEN
+ if (tags == 0) tags |= TTRACE_TAG_ALWAYS;
+}
+#endif
+ ok &= setTagsProperty(tags);
+ ok &= setAppCmdlineProperty(g_debugAppCmdLine);
+ ok &= pokeBinderServices();
+
+ // Disable all the sysfs enables. This is done as a separate loop from
+ // the enables to allow the same enable to exist in multiple categories.
+ ok &= disableKernelTraceEvents();
+
+ // Enable all the sysfs enables that are in an enabled category.
+ for (int i = 0; i < NELEM(k_categories); i++) {
+ if (g_categoryEnables[i]) {
+ const TracingCategory &c = k_categories[i];
+ for (int j = 0; j < MAX_SYS_FILES; j++) {
+ const char* path = c.sysfiles[j].path;
+ bool required = c.sysfiles[j].required == REQ;
+ if (path != NULL) {
+ if (fileIsWritable(path)) {
+ ok &= setKernelOptionEnable(path, true);
+ } else if (required) {
+ fprintf(stderr, "error writing file %s\n", path);
+ ok = false;
+ }
+ }
+ }
+ }
+ }
+
+ return ok;
+}
+
+// Reset all the kernel tracing settings to their default state.
+static void cleanUpTrace()
+{
+ // Disable all tracing that we're able to.
+ disableKernelTraceEvents();
+
+ // Reset the system properties.
+ setTagsProperty(0);
+ setAppCmdlineProperty("");
+ pokeBinderServices();
+
+ // Set the options back to their defaults.
+ setTraceOverwriteEnable(true);
+ setTraceBufferSizeKB(1);
+ setGlobalClockEnable(false);
+ setPrintTgidEnableIfPresent(false);
+ setKernelTraceFuncs(NULL);
+}
+
+
+// Enable tracing in the kernel.
+static bool startTrace()
+{
+ return setTracingEnabled(true);
+}
+
+// Disable tracing in the kernel.
+static void stopTrace()
+{
+ setTracingEnabled(false);
+}
+
+// Read the current kernel trace and write it to stdout.
+static void dumpTrace()
+{
+ int traceFD = open(k_tracePath, O_RDWR);
+ if (traceFD == -1) {
+ fprintf(stderr, "error opening %s: %s (%d)\n", k_tracePath,
+ strerror(errno), errno);
+ return;
+ }
+
+ if (g_compress) {
+ z_stream zs;
+ uint8_t *in, *out;
+ int result, flush;
+
+ bzero(&zs, sizeof(zs));
+ result = deflateInit(&zs, Z_DEFAULT_COMPRESSION);
+ if (result != Z_OK) {
+ fprintf(stderr, "error initializing zlib: %d\n", result);
+ close(traceFD);
+ return;
+ }
+
+ const size_t bufSize = 64*1024;
+ in = (uint8_t*)malloc(bufSize);
+ out = (uint8_t*)malloc(bufSize);
+ if ((in == NULL) || (out == NULL)) {
+ fprintf(stderr, "Could not allocate memory");
+ if (in != NULL)
+ free(in);
+ if (out != NULL)
+ free(out);
+ close(traceFD);
+ return;
+ }
+ flush = Z_NO_FLUSH;
+
+ zs.next_out = out;
+ zs.avail_out = bufSize;
+
+ do {
+
+ if (zs.avail_in == 0) {
+ // More input is needed.
+ result = read(traceFD, in, bufSize);
+ if (result < 0) {
+ fprintf(stderr, "error reading trace: %s (%d)\n",
+ strerror(errno), errno);
+ result = Z_STREAM_END;
+ break;
+ } else if (result == 0) {
+ flush = Z_FINISH;
+ } else {
+ zs.next_in = in;
+ zs.avail_in = result;
+ }
+ }
+
+ if (zs.avail_out == 0) {
+ // Need to write the output.
+ result = write(STDOUT_FILENO, out, bufSize);
+ if ((size_t)result < bufSize) {
+ fprintf(stderr, "error writing deflated trace: %s (%d)\n",
+ strerror(errno), errno);
+ result = Z_STREAM_END; // skip deflate error message
+ zs.avail_out = bufSize; // skip the final write
+ break;
+ }
+ zs.next_out = out;
+ zs.avail_out = bufSize;
+ }
+
+ } while ((result = deflate(&zs, flush)) == Z_OK);
+
+ if (result != Z_STREAM_END) {
+ fprintf(stderr, "error deflating trace: %s\n", zs.msg);
+ }
+
+ if (zs.avail_out < bufSize) {
+ size_t bytes = bufSize - zs.avail_out;
+ result = write(STDOUT_FILENO, out, bytes);
+ if ((size_t)result < bytes) {
+ fprintf(stderr, "error writing deflated trace: %s (%d)\n",
+ strerror(errno), errno);
+ }
+ }
+
+ result = deflateEnd(&zs);
+ if (result != Z_OK) {
+ fprintf(stderr, "error cleaning up zlib: %d\n", result);
+ }
+
+ free(in);
+ free(out);
+ } else {
+ ssize_t sent = 0;
+ while ((sent = sendfile(STDOUT_FILENO, traceFD, NULL, 64*1024*1024)) > 0);
+ if (sent == -1) {
+ fprintf(stderr, "error dumping trace: %s (%d)\n", strerror(errno),
+ errno);
+ }
+ }
+
+ close(traceFD);
+}
+
+static void handleSignal(int signo)
+{
+ if (!g_nohup) {
+ g_traceAborted = true;
+ }
+}
+
+static void registerSigHandler()
+{
+ struct sigaction sa;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = 0;
+ sa.sa_handler = handleSignal;
+ sigaction(SIGHUP, &sa, NULL);
+ sigaction(SIGINT, &sa, NULL);
+ sigaction(SIGQUIT, &sa, NULL);
+ sigaction(SIGTERM, &sa, NULL);
+}
+
+static bool setCategoryEnable(const char* name, bool enable)
+{
+ for (int i = 0; i < NELEM(k_categories); i++) {
+ const TracingCategory& c = k_categories[i];
+ if (strcmp(name, c.name) == 0) {
+ if (isCategorySupported(c)) {
+ g_categoryEnables[i] = enable;
+ return true;
+ } else {
+ if (isCategorySupportedForRoot(c)) {
+ fprintf(stderr, "error: category \"%s\" requires root "
+ "privileges.\n", name);
+ } else {
+ fprintf(stderr, "error: category \"%s\" is not supported "
+ "on this device.\n", name);
+ }
+ return false;
+ }
+ }
+ }
+ fprintf(stderr, "error: unknown tracing category \"%s\"\n", name);
+ return false;
+}
+
+static void listSupportedCategories()
+{
+ for (int i = 0; i < NELEM(k_categories); i++) {
+#ifdef DEVICE_TYPE_TIZEN
+ if(i==TAG_NONE_IDX) continue;
+#endif
+ const TracingCategory& c = k_categories[i];
+ if (isCategorySupported(c)) {
+ printf(" %10s - %s\n", c.name, c.longname);
+ }
+ }
+}
+
+// Print the command usage help to stderr.
+static void showHelp(const char *cmd)
+{
+ fprintf(stderr, "usage: %s [options] [categories...]\n", cmd);
+ fprintf(stderr, "options include:\n"
+#ifndef DEVICE_TYPE_TIZEN
+ " -a appname enable app-level tracing for a comma "
+ "separated list of cmdlines\n"
+#endif
+ " -b N use a trace buffer size of N KB\n"
+ " -c trace into a circular buffer\n"
+ " -k fname,... trace the listed kernel functions\n"
+ " -n ignore signals\n"
+ " -s N sleep for N seconds before tracing [default 0]\n"
+ " -t N trace for N seconds [defualt 5]\n"
+ " -z compress the trace dump\n"
+ " --async_start start circular trace and return immediatly\n"
+ " --async_dump dump the current contents of circular trace buffer\n"
+ " --async_stop stop tracing and dump the current contents of circular\n"
+ " trace buffer\n"
+ " --list_categories\n"
+ " list the available tracing categories\n"
+ );
+}
+
+int main(int argc, char **argv)
+{
+ bool async = false;
+ bool traceStart = true;
+ bool traceStop = true;
+ bool traceDump = true;
+
+ if (argc == 2 && 0 == strcmp(argv[1], "--help")) {
+ showHelp(argv[0]);
+ exit(0);
+ }
+
+ for (;;) {
+ int ret;
+ int option_index = 0;
+ static struct option long_options[] = {
+ {"async_start", no_argument, 0, 0 },
+ {"async_stop", no_argument, 0, 0 },
+ {"async_dump", no_argument, 0, 0 },
+ {"list_categories", no_argument, 0, 0 },
+ { 0, 0, 0, 0 }
+ };
+#ifndef DEVICE_TYPE_TIZEN
+ ret = getopt_long(argc, argv, "a:b:ck:ns:t:z",
+ long_options, &option_index);
+#else
+ ret = getopt_long(argc, argv, "b:ck:ns:t:z",
+ long_options, &option_index);
+#endif
+ if (ret < 0) {
+ for (int i = optind; i < argc; i++) {
+ if (!setCategoryEnable(argv[i], true)) {
+ fprintf(stderr, "error enabling tracing category \"%s\"\n", argv[i]);
+ exit(1);
+ }
+ }
+ break;
+ }
+
+ switch(ret) {
+ case 'a':
+ g_debugAppCmdLine = optarg;
+ break;
+
+ case 'b':
+ g_traceBufferSizeKB = atoi(optarg);
+ break;
+
+ case 'c':
+ g_traceOverwrite = true;
+ break;
+
+ case 'k':
+ g_kernelTraceFuncs = optarg;
+ break;
+
+ case 'n':
+ g_nohup = true;
+ break;
+
+ case 's':
+ g_initialSleepSecs = atoi(optarg);
+ break;
+
+ case 't':
+ g_traceDurationSeconds = atoi(optarg);
+ break;
+
+ case 'z':
+ g_compress = true;
+ break;
+
+ case 0:
+#ifdef DEVICE_TYPE_TIZEN
+ if (!strcmp(long_options[option_index].name, "list_categories")) {
+ listSupportedCategories();
+ exit(0);
+ }
+ if (!strcmp(long_options[option_index].name, "async_start")) {
+ async = true;
+ traceStop = false;
+ traceDump = false;
+ g_traceOverwrite = true;
+ } else if (!strcmp(long_options[option_index].name, "async_stop")) {
+ async = true;
+ traceStart = false;
+ traceStop = true;
+ } else if (!strcmp(long_options[option_index].name, "async_dump")) {
+ async = true;
+ traceStart = false;
+ traceStop = false;
+ } else if (!strcmp(long_options[option_index].name, "list_categories")) {
+ listSupportedCategories();
+ exit(0);
+ }
+#endif
+ break;
+
+ default:
+ fprintf(stderr, "\n");
+ showHelp(argv[0]);
+ exit(-1);
+ break;
+ }
+ }
+
+ registerSigHandler();
+
+ if (g_initialSleepSecs > 0) {
+ sleep(g_initialSleepSecs);
+ }
+
+ bool ok = true;
+ ok &= setUpTrace();
+ ok &= startTrace();
+
+ if (ok && traceStart) {
+ printf("capturing trace...");
+ fflush(stdout);
+
+ // We clear the trace after starting it because tracing gets enabled for
+ // each CPU individually in the kernel. Having the beginning of the trace
+ // contain entries from only one CPU can cause "begin" entries without a
+ // matching "end" entry to show up if a task gets migrated from one CPU to
+ // another.
+ ok = clearTrace();
+
+ if (ok && !async) {
+ // Sleep to allow the trace to be captured.
+ struct timespec timeLeft;
+ timeLeft.tv_sec = g_traceDurationSeconds;
+ timeLeft.tv_nsec = 0;
+ do {
+ if (g_traceAborted) {
+ break;
+ }
+ } while (nanosleep(&timeLeft, &timeLeft) == -1 && errno == EINTR);
+ }
+ }
+
+ // Stop the trace and restore the default settings.
+ if (traceStop)
+ stopTrace();
+
+ if (ok && traceDump) {
+ if (!g_traceAborted) {
+ printf(" done\nTRACE:\n");
+ fflush(stdout);
+ dumpTrace();
+ } else {
+ printf("\ntrace aborted.\n");
+ fflush(stdout);
+ }
+ clearTrace();
+ } else if (!ok) {
+ fprintf(stderr, "unable to start tracing\n");
+ }
+
+ // Reset the trace buffer size to 1.
+ if (traceStop)
+ cleanUpTrace();
+
+ return g_traceAborted ? 1 : 0;
+}
--- /dev/null
+/*
+ * =============================================================================
+ *
+ * SLP
+ * Copyright (c) 2012 Samsung Electronics, Inc.
+ * All rights reserved.
+ *
+ * This software is a confidential and proprietary information
+ * of Samsung Electronics, Inc. ("Confidential Information"). You
+ * shall not disclose such Confidential Information and shall use
+ * it only in accordance with the terms of the license agreement
+ * you entered into with Samsung Electronics.
+ *
+ * @file: ttrace.c
+ * @brief: ttrace
+ * @author: @samsung.com
+ * @created: Thursday 27 September 2012 08:05:23 KST
+ * @compiler: gcc
+ * @company: Samsung
+ * @version: 0.1
+ * @revision: none
+ *
+ * =============================================================================
+ */
+#include "dlog.h"
+#include "ttrace.h"
+#include "trace.h"
+#define ENABLE_TTRACE
+
+#ifdef ENABLE_TTRACE
+/* In "TTRACE_DEBUG" mode, dlog will print T-trace debug log */
+//#define TTRACE_DEBUG
+//#undef TTRACE_DEBUG
+
+#ifdef TTRACE_DEBUG
+#define TTRACE_LOG(format, arg...) dlog_print(3, "TTRACE", format, ##arg)
+#else
+#define TTRACE_LOG(format, arg...)
+#endif
+
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+
+#define TRACE_FILE "/sys/kernel/debug/tracing/trace_marker"
+#define MAX_TRACE_LEN 1024
+#define MAX_LEN 512
+#define FD_INITIAL_VALUE -1
+#define TRACE_FILE_NOT_EXIST -2
+
+int g_trace_handle_fd = FD_INITIAL_VALUE;
+static unsigned int *cur_enabled_tag = NULL;
+
+static unsigned int traceInit() {
+ int shmid;
+ int skey = 1106;
+ int *sm_for_enabled_tag;
+
+ g_trace_handle_fd = open(TRACE_FILE, O_WRONLY);
+
+ if (g_trace_handle_fd < 0) {
+ TTRACE_LOG("Fail to open trace file: %s(%d)", strerror(errno), errno);
+ //in case ftrace debugfs is not mounted, ttrace does not call traceInit() anymore.
+ if(errno == ENOENT){
+ g_trace_handle_fd = TRACE_FILE_NOT_EXIST;
+ }
+ set_last_result(TRACE_ERROR_IO_ERROR);
+ return 0;
+ }
+ if(cur_enabled_tag == NULL) {
+ //create shared memory for caching enabled tag
+ if(-1 == (shmid = shmget((key_t)skey, sizeof(unsigned int), 0666|IPC_CREAT)))
+ {
+ TTRACE_LOG("Fail to create new segment!(or Fail to get existing segment identifier), %s(%d)", strerror(errno), errno);
+ goto error;
+ }
+ if((void *)-1 == (sm_for_enabled_tag = (int *)shmat(shmid, (void *)0, 0)))
+ {
+ TTRACE_LOG("Fail to attach the shared memory segment to this proc, %s(%d)", strerror(errno), errno);
+ goto error;
+ }
+ cur_enabled_tag = (unsigned int *)sm_for_enabled_tag;
+ TTRACE_LOG("attach success: %u %p", *cur_enabled_tag, cur_enabled_tag);
+ return *cur_enabled_tag;
+ } else {
+ TTRACE_LOG("traceInit: %u", *cur_enabled_tag);
+ return *cur_enabled_tag;
+ }
+error:
+ close(g_trace_handle_fd);
+ g_trace_handle_fd = FD_INITIAL_VALUE;
+ return 0;
+}
+
+static inline unsigned int isTagEnabled(unsigned int cur_tag) {
+ if (g_trace_handle_fd == TRACE_FILE_NOT_EXIST)
+ return 0;
+ //if no tag is enabled, trace all tags.
+ if(cur_tag == TTRACE_TAG_APP) cur_enabled_tag = &cur_tag;
+ else cur_tag |= TTRACE_TAG_ALWAYS;
+
+ if (g_trace_handle_fd < 0 || cur_enabled_tag == NULL){
+ return (cur_tag & traceInit());
+ }
+ return (cur_tag & *cur_enabled_tag);
+}
+
+/*
+ * Tracing API for synchronous events: traceBegin()/traceEnd()
+ * - tag: the tracing tag
+ * - name: the event name
+ */
+inline void traceBegin(int tag, const char *name, ...) {
+ if(isTagEnabled(tag)) {
+ char buf[MAX_LEN];
+ int len = 0;
+ va_list ap;
+
+ TTRACE_LOG("traceBegin:: write >> tag: %u tag_bit: %u", tag, *cur_enabled_tag);
+ va_start(ap, name);
+ len = snprintf(buf, MAX_LEN, "B|%d|", getpid());
+ len += vsnprintf(buf+len, MAX_LEN-len, name, ap);
+ va_end(ap);
+ write(g_trace_handle_fd, buf, len);
+ }
+#ifdef TTRACE_DEBUG
+ else {
+ TTRACE_LOG("traceBegin:: disabled tag");
+ }
+#endif
+
+}
+inline void traceEnd(int tag) {
+ if(isTagEnabled(tag)) {
+ char end = 'E';
+ TTRACE_LOG("traceEnd:: write>> tag: %u tag_bit: %u", tag, *cur_enabled_tag);
+ write(g_trace_handle_fd, &end, 1);
+ }
+#ifdef TTRACE_DEBUG
+ else {
+ TTRACE_LOG("traceEnd:: disabled tag");
+ }
+#endif
+}
+/*
+ * Tracing API for asynchronous events: traceAsyncBegin()/traceAsyncEnd()
+ * - tag: the tracing tag
+ * - name: the event name
+ * - cookie: an unique identifier for distinguishing simultaneous events.
+ * The name and cookie used to begin an event must be used to end it.
+ */
+inline void traceAsyncBegin(int tag, int cookie, const char *name, ...) {
+ if(isTagEnabled(tag)) {
+ char buf[MAX_LEN];
+ int len = 0;
+ va_list ap;
+
+ TTRACE_LOG("traceAsyncBegin:: write >> tag: %u tag_bit: %u cookie: %d", tag, *cur_enabled_tag, cookie);
+ va_start(ap, name);
+ len = snprintf(buf, MAX_LEN, "S|%d|", getpid());
+ len += vsnprintf(buf+len, MAX_LEN-len, name, ap);
+ len += snprintf(buf+len, MAX_LEN-len, "|%d", cookie);
+ va_end(ap);
+ write(g_trace_handle_fd, buf, len);
+ }
+#ifdef TTRACE_DEBUG
+ else {
+ TTRACE_LOG("traceAsyncBegin:: disabled tag");
+ }
+#endif
+}
+inline void traceAsyncEnd(int tag, int cookie, const char *name, ...) {
+ if(isTagEnabled(tag)) {
+ char buf[MAX_LEN];
+ int len = 0;
+ va_list ap;
+
+ TTRACE_LOG("traceAsyncEnd:: write>> tag: %u tag_bit: %u", tag, *cur_enabled_tag);
+ va_start(ap, name);
+ len = snprintf(buf, MAX_LEN, "F|%d|", getpid());
+ len += vsnprintf(buf+len, MAX_LEN-len, name, ap);
+ len += snprintf(buf+len, MAX_LEN-len, "|%d", cookie);
+ write(g_trace_handle_fd, buf, len);
+ }
+#ifdef TTRACE_DEBUG
+ else {
+ TTRACE_LOG("traceAsyncEnd:: disabled tag");
+ }
+#endif
+}
+
+/*
+ * Tracing API for marking occurrences of trace event: traceMark
+ * - tag: the tracing tag
+ * - name: the event name
+ */
+inline void traceMark(int tag, const char *name, ...) {
+ if(isTagEnabled(tag)) {
+ char buf[MAX_LEN], end = 'E';
+ int len = 0;
+ va_list ap;
+
+ TTRACE_LOG("traceMark:: write >> tag: %u tag_bit: %u", tag, *cur_enabled_tag);
+ va_start(ap, name);
+ len = snprintf(buf, MAX_LEN, "B|%d|", getpid());
+ len +=vsnprintf(buf+len, MAX_LEN-len, name, ap);
+ va_end(ap);
+ write(g_trace_handle_fd, buf, len);
+ write(g_trace_handle_fd, &end, 1);
+ }
+#ifdef TTRACE_DEBUG
+ else {
+ TTRACE_LOG("traceMark:: disabled tag");
+ }
+#endif
+}
+
+/*
+ * Tracing API for tracing change of integer counter value: traceCounter
+ * - tag: the tracing tag
+ * - name: the event name
+ * - value: the value tracing
+ */
+inline void traceCounter(int tag, int value, const char* name, ...) {
+ if(isTagEnabled(tag)) {
+ char buf[MAX_LEN];
+ int len = 0;
+ va_list ap;
+
+ va_start(ap, name);
+
+ len = snprintf(buf, MAX_LEN, "C|%d|", getpid());
+ len += vsnprintf(buf+len, MAX_LEN-len, name, ap);
+ len += snprintf(buf+len, MAX_LEN-len, "|%d", value);
+ write(g_trace_handle_fd, buf, len);
+ }
+#ifdef TTRACE_DEBUG
+ else {
+ TTRACE_LOG("traceCounter:: disabled tag");
+ }
+#endif
+}
+
+/*
+ * Tracing API for Native Application
+ * - tag: the tracing tag
+ * - name: the event name
+ * - value: the value tracing
+ */
+inline void trace_begin(const char *name, ...) {
+ va_list ap;
+ char v_name[MAX_LEN];
+
+ va_start(ap, name);
+ vsnprintf(v_name, MAX_LEN, name, ap);
+
+ traceBegin(TTRACE_TAG_APP, v_name);
+ va_end(ap);
+}
+inline void trace_end() {
+ traceEnd(TTRACE_TAG_APP);
+}
+inline void trace_async_begin(int cookie, const char *name, ...) {
+ va_list ap;
+ char v_name[MAX_LEN];
+
+ va_start(ap, name);
+ vsnprintf(v_name, MAX_LEN, name, ap);
+
+ traceAsyncBegin(TTRACE_TAG_APP, cookie, v_name);
+ va_end(ap);
+}
+inline void trace_async_end(int cookie, const char *name, ...) {
+ va_list ap;
+ char v_name[MAX_LEN];
+
+ va_start(ap, name);
+ vsnprintf(v_name, MAX_LEN, name, ap);
+
+ traceAsyncEnd(TTRACE_TAG_APP, cookie, v_name);
+ va_end(ap);
+}
+inline void trace_update_counter(int value, const char *name, ...) {
+ va_list ap;
+ char v_name[MAX_LEN];
+
+ va_start(ap, name);
+ vsnprintf(v_name, MAX_LEN, name, ap);
+
+ traceCounter(TTRACE_TAG_APP, value, v_name);
+ va_end(ap);
+}
+#else
+inline void traceBegin(int tag, const char *name, ...) {;}
+inline void traceEnd(int tag) {;}
+inline void traceAsyncBegin(int tag, int cookie, const char *name, ...) {;}
+inline void traceAsyncEnd(int tag, int cookie, const char *name, ...) {;}
+inline void traceMark(int tag, const char *name, ...) {;}
+inline void traceCounter(int tag, int value, const char *name, ...) {;}
+inline void trace_begin(const char *name, ...) {;}
+inline void trace_end() {;}
+inline void trace_async_begin(int cookie, const char *name, ...) {;}
+inline void trace_async_end(int cookie, const char *name, ...) {;}
+inline void trace_update_counter(int value, const char *name, ...) {;}
+#endif
--- /dev/null
+<manifest>
+ <define>
+ <domain name="ttrace" policy="restricted"/>
+ <request>
+ <smack request="ttrace" type="rw"/>
+ </request>
+ <permit>
+ <smack permit="sdbd" type="rx"/>
+ <smack permit="e17" type="rw"/>
+ <smack permit="cbhm" type="rw"/>
+ <smack permit="starter" type="rw"/>
+ <smack permit="ui-gadget::client" type="rw"/>
+ <smack permit="org.tizen.quickpanel" type="rw"/>
+ <smack permit="org.tizen.indicator" type="rw"/>
+ <smack permit="org.tizen.setting" type="rw"/>
+ <smack permit="org.tizen.camera-app" type="rw"/>
+ <smack permit="org.tizen.calendar" type="rw"/>
+ <smack permit="org.tizen.music-player" type="rw"/>
+ <smack permit="org.tizen.message" type="rw"/>
+ <smack permit="org.tizen.browser" type="rw"/>
+ </permit>
+ </define>
+ <assign>
+ <filesystem path="/usr/bin/atrace-1.1" label="ttrace" exec_label="ttrace"/>
+ </assign>
+ <request>
+ <domain name="_"/>
+ </request>
+</manifest>
--- /dev/null
+# Package Information for pkg-config
+
+prefix=@PREFIX@
+exec_prefix=@EXEC_PREFIX@
+libdir=@LIBDIR@
+includedir=@INCLUDEDIR@
+
+Name: ttrace
+Description: T-trace for tizen
+Version: @VERSION@
+Requires: dlog
+Libs: -L${libdir} -lttrace
+Cflags: -I${includedir}
projects / tools / ttrace.git / commitdiff