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author | Ruslan Bukin <br@FreeBSD.org> | 2019-10-10 13:19:21 +0000 |
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committer | Ruslan Bukin <br@FreeBSD.org> | 2019-10-10 13:19:21 +0000 |
commit | cf98ba14dc260458f757fa46419575cf69f45a44 (patch) | |
tree | 1cafc844f372337d2a95c8a416b915d46bf4daf8 /README.md | |
parent | a6157d81121ac9559d806dafa346039199598442 (diff) | |
download | src-cf98ba14dc260458f757fa46419575cf69f45a44.tar.gz src-cf98ba14dc260458f757fa46419575cf69f45a44.zip |
Import OpenCSD -- an ARM CoreSight Trace Decode library.vendor/opencsd/a1961c91b02a92f3c6ed8b145c636ac4c5565aca
Git ID a1961c91b02a92f3c6ed8b145c636ac4c5565aca
Sponsored by: DARPA, AFRL
Notes
Notes:
svn path=/vendor/opencsd/a1961c91b02a92f3c6ed8b145c636ac4c5565aca/; revision=353391
svn path=/vendor/opencsd/dist/; revision=353392; tag=vendor/opencsd/a1961c91b02a92f3c6ed8b145c636ac4c5565aca
Diffstat (limited to 'README.md')
-rw-r--r-- | README.md | 58 |
1 files changed, 54 insertions, 4 deletions
diff --git a/README.md b/README.md index 44b7c6807c35..c3f238ff1946 100644 --- a/README.md +++ b/README.md @@ -27,11 +27,11 @@ Releases will appear on the master branch in the git repository with an appropri CoreSight Trace Component Support. ---------------------------------- -_Current Version 0.8.2_ +_Current Version 0.12.0_ ### Current support: -- ETMv4 (v4.1) instruction trace - packet processing and packet decode. +- ETMv4 (v4.4) instruction trace - packet processing and packet decode. - PTM (v1.1) instruction trace - packet processing and packet decode. - ETMv3 (v3.5) instruction trace - packet processing and packet decode. - ETMv3 (v3.5) data trace - packet processing. @@ -73,12 +73,20 @@ Run `doxygen` on the `./doxygen_config.dox` file located in the `./docs` directo This will produce the documentation in the `./docs/html` directory. The doxygen configuration also includes the `*.md` files as part of the documentation. +Application Programming using the Library +----------------------------------------- -Building the Library --------------------- +See the [programmers guide](@ref prog_guide) for details on usage of the library in custom applications. +(`./docs/prog_guide/prog_guide_main.md`). + + +Building and Installing the Library +----------------------------------- See [build_libs.md](@ref build_lib) in the `./docs` directory for build details. +The linux build makefile now contains options to install the library for a linux environment. + How the Library is used in Linux `perf` --------------------------------------- @@ -88,6 +96,15 @@ with the standard linux perfomance analysis tool `perf`. See [HOWTO.md](@ref howto_perf) for details. +How to use the Library, perf and Trace for AutoFDO +-------------------------------------------------- +Capturing trace using perf and decoding using the library can +generate profiles for AutoFDO. + +See [autofdo.md](@ref AutoFDO) for details and scripts. + +(`./tests/auto-fdo/autofdo.md`). + Version and Modification Information ==================================== @@ -116,6 +133,39 @@ Version and Modification Information Library output naming changed from 'cstraced' to 'opencsd'. - _Version 0.8.1_: Minor updates: Use install tool to copy headers. Changes to HOWTO for perf usage. - _Version 0.8.2_: Bugfix: C++ init errors fixed for CLANG build process. +- _Version 0.8.3_: Bugfix: ETMv4 decoder issues fixed. +- _Version 0.8.4_: build: makefile updates and improvements to get build process compatible with Debian packaging. +- _Version 0.9.0_: Performance improvements for perf: Additional info in instruction range output packet. Caching memory accesses. + Added Programmers guide to documentation. +- _Version 0.9.1_: Bugfix: Crash during decode when first memory access is to address where no image provided. +- _Version 0.9.2_: Bugfix: ETMv4: Incorrect Exception number output for Genric exception packets. + AutoFDO: update documentation for AutoFDO usage and add in "record.sh" script +- _Version 0.9.3_: Bugfix: Test snapshot library not handling 'offset' parameters in dump file sections. + Install: ocsd_if_version.h moved to opencsd/include to allow installation on OS & use in compiling client apps. +- _Version 0.10.0_: __Updates__: Add additional information about the last instruction to the generic output packet. + __Docs__: update docs for updated output packet. + __Bugfix__: typecast removed from OCSD_VER_NUM in ocsd_if_version.h to allow use in C pre-processor. + __Bugfix__: ETMV4: Interworking ISA change between A32-T32 occasionally missed during instruction decode. +- _Version 0.10.1_: __Updates__: Build update - allow multi-thread make (make -j<N>). + __Docs__: Minor update to AutoFDO documentation. +- _Version 0.11.0_: __Update__: ETM v4 decoder updated to support ETM version up to v4.4 + __Update__: Memory access callback function - added new callback signature to provide TraceID to client when requesting memory. + __Update__: Created new example program to demonstrate using memory buffer in APIs. + __Bugfix__: Typos in docs and source. + __Bugfix__: Memory accessor - validate callback return values. +- _Version 0.11.1_: __Update__: build:- change -fpic to -fPIC to allow Debian build on sparc. + __Bugfix__: build:- remove unused variable +- _Version 0.11.2_: __Update__: docs:- HOWTO.md update to match new perf build requirements. + __Bugfix__: Minor spelling typos fixed. +- _Version 0.12.0_: __Update__: Frame deformatter - TPIU FSYNC and HSYNC support added. + __Update__: ETM v4: Bugfix & clarification on Exception trace handling. Where exception occurs at a branch target before any instructions + have been executed, the preferred return address is also the target address of the branch instruction. This case now includes as specific flag in + the packet. Additionally any context change associated with this target address was being applied incorrectly. + __Update__: Core / Architecture mapping to core names as used by test programs / snapshots updated to include additional recent ARM cores. + __Update__: Docs: Update to reflect new exception flag. Update test program example to reflect latest output. + __Bugfix__: ETM v4: Valid trace info packet was not handled correctly (0x01, 0x00). + __Bugfix__: ETM v4: Error messaging on commit stack overflow. + Licence Information =================== |