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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/perf/Documentation/android.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/Documentation/android.txt')
-rw-r--r-- | tools/perf/Documentation/android.txt | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/tools/perf/Documentation/android.txt b/tools/perf/Documentation/android.txt new file mode 100644 index 000000000..24a59998f --- /dev/null +++ b/tools/perf/Documentation/android.txt @@ -0,0 +1,78 @@ +How to compile perf for Android +========================================= + +I. Set the Android NDK environment +------------------------------------------------ + +(a). Use the Android NDK +------------------------------------------------ +1. You need to download and install the Android Native Development Kit (NDK). +Set the NDK variable to point to the path where you installed the NDK: + export NDK=/path/to/android-ndk + +2. Set cross-compiling environment variables for NDK toolchain and sysroot. +For arm: + export NDK_TOOLCHAIN=${NDK}/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi- + export NDK_SYSROOT=${NDK}/platforms/android-24/arch-arm +For x86: + export NDK_TOOLCHAIN=${NDK}/toolchains/x86-4.9/prebuilt/linux-x86_64/bin/i686-linux-android- + export NDK_SYSROOT=${NDK}/platforms/android-24/arch-x86 + +This method is only tested for Android NDK versions Revision 11b and later. +perf uses some bionic enhancements that are not included in prior NDK versions. +You can use method (b) described below instead. + +(b). Use the Android source tree +----------------------------------------------- +1. Download the master branch of the Android source tree. +Set the environment for the target you want using: + source build/envsetup.sh + lunch + +2. Build your own NDK sysroot to contain latest bionic changes and set the +NDK sysroot environment variable. + cd ${ANDROID_BUILD_TOP}/ndk +For arm: + ./build/tools/build-ndk-sysroot.sh --abi=arm + export NDK_SYSROOT=${ANDROID_BUILD_TOP}/ndk/build/platforms/android-3/arch-arm +For x86: + ./build/tools/build-ndk-sysroot.sh --abi=x86 + export NDK_SYSROOT=${ANDROID_BUILD_TOP}/ndk/build/platforms/android-3/arch-x86 + +3. Set the NDK toolchain environment variable. +For arm: + export NDK_TOOLCHAIN=${ANDROID_TOOLCHAIN}/arm-linux-androideabi- +For x86: + export NDK_TOOLCHAIN=${ANDROID_TOOLCHAIN}/i686-linux-android- + +II. Compile perf for Android +------------------------------------------------ +You need to run make with the NDK toolchain and sysroot defined above: +For arm: + make WERROR=0 ARCH=arm CROSS_COMPILE=${NDK_TOOLCHAIN} EXTRA_CFLAGS="-pie --sysroot=${NDK_SYSROOT}" +For x86: + make WERROR=0 ARCH=x86 CROSS_COMPILE=${NDK_TOOLCHAIN} EXTRA_CFLAGS="-pie --sysroot=${NDK_SYSROOT}" + +III. Install perf +----------------------------------------------- +You need to connect to your Android device/emulator using adb. +Install perf using: + adb push perf /data/perf + +If you also want to use perf-archive you need busybox tools for Android. +For installing perf-archive, you first need to replace #!/bin/bash with #!/system/bin/sh: + sed 's/#!\/bin\/bash/#!\/system\/bin\/sh/g' perf-archive >> /tmp/perf-archive + chmod +x /tmp/perf-archive + adb push /tmp/perf-archive /data/perf-archive + +IV. Environment settings for running perf +------------------------------------------------ +Some perf features need environment variables to run properly. +You need to set these before running perf on the target: + adb shell + # PERF_PAGER=cat + +IV. Run perf +------------------------------------------------ +Run perf on your device/emulator to which you previously connected using adb: + # ./data/perf |