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+This directory contains prebuilt binaries used by Telemetry which allow it to
+be run without requiring any compilation.
+
+For usage instructions, see:
+http://www.chromium.org/developers/telemetry/upload_to_cloud_storage
+
+avconv:
+   version 0.8.9-4:0.8.9-0ubuntu0.12.04.1
+
+IEDriverServer binary:
+  Both 32-bit and 64-bit are of version 2.35.2.
+
+ipfw and ipfw_mod.ko:
+  Version 20120812
+
+perfhost_trusty:
+  Built from branch modified by vmiura on github. The git branch used is
+  "perf_tracing_changes" but in the directions below I have included the actual
+  hash of the checkout.
+
+  Make sure you have the proper libraries installed for symbol demangling:
+    shell> sudo apt-get install binutils-dev
+    shell> sudo apt-get install libiberty-dev
+
+  Directions for building perf:
+    shell> git clone https://github.com/vmiura/linux.git
+    shell> cd linux
+    shell> git checkout e1fe871e4a33712ad4964a70904d5d59188e3cc2
+    shell> cd tools/perf
+    shell> make
+    shell> ./perf test
+    Tests should mostly pass, except a few:
+     1: vmlinux symtab matches kallsyms                        : FAILED!
+     2: detect open syscall event                              : FAILED!
+     3: detect open syscall event on all cpus                  : FAILED!
+     4: read samples using the mmap interface                  : FAILED!
+     5: parse events tests                                     : FAILED!
+     [snip]
+     11: Check parsing of sched tracepoints fields              : FAILED!
+     12: Generate and check syscalls:sys_enter_open event fields: FAILED!
+     21: Test object code reading          :[kernel.kallsyms] ... FAILED!
+    shell> mv perf perfhost_trusty
+
+android/armeabi-v7a/perf:
+  Follow http://source.android.com/source/building.html
+  . build/envsetup.sh
+  lunch aosp_arm-user
+
+2013-09-26 - bulach - perf / perfhost / tcpdump:
+  git revert -n 93501d3 # issue with __strncpy_chk2
+  make -j32 perf perfhost tcpdump
+
+android/arm64-v8a/perf:
+  Same as above, with aarch64 architecture, from branch android-5.0.0_r2