diff options
author | Qin Zhao <zhaoqin@google.com> | 2016-05-25 17:49:00 +0000 |
---|---|---|
committer | Qin Zhao <zhaoqin@google.com> | 2016-05-25 17:49:00 +0000 |
commit | a9494465352c28ce019b9e8ea8ae0eeb6ca03176 (patch) | |
tree | 9e6cf47c137a8a23f38a8c0e31d033469c1d2c4f /lib/esan | |
parent | 4502401cf8de82c0e2a12aa8fe6971b0d6e56121 (diff) |
[esan][cfrag] Add skeleton for cache fragmentation tool support
Summary:
Adds cache_frag.h and cache_frag.cpp for the cache fragmentation tool.
Updates test struct-simple.cpp.
Reviewers: aizatsky
Subscribers: filcab, zhaoqin, llvm-commits, eugenis, vitalybuka, kcc, bruening, kubabrecka
Differential Revision: http://reviews.llvm.org/D20538
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@270737 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/esan')
-rw-r--r-- | lib/esan/CMakeLists.txt | 1 | ||||
-rw-r--r-- | lib/esan/cache_frag.cpp | 40 | ||||
-rw-r--r-- | lib/esan/cache_frag.h | 28 | ||||
-rw-r--r-- | lib/esan/esan.cpp | 14 |
4 files changed, 78 insertions, 5 deletions
diff --git a/lib/esan/CMakeLists.txt b/lib/esan/CMakeLists.txt index 029c13579..3bdf32b72 100644 --- a/lib/esan/CMakeLists.txt +++ b/lib/esan/CMakeLists.txt @@ -12,6 +12,7 @@ set(ESAN_SOURCES esan_flags.cpp esan_interface.cpp esan_interceptors.cpp + cache_frag.cpp working_set.cpp) foreach (arch ${ESAN_SUPPORTED_ARCH}) diff --git a/lib/esan/cache_frag.cpp b/lib/esan/cache_frag.cpp new file mode 100644 index 000000000..1ab8699b9 --- /dev/null +++ b/lib/esan/cache_frag.cpp @@ -0,0 +1,40 @@ +//===-- cache_frag.cpp ----------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file is a part of EfficiencySanitizer, a family of performance tuners. +// +// This file contains cache fragmentation-specific code. +//===----------------------------------------------------------------------===// + +#include "esan.h" + +namespace __esan { + +//===-- Init/exit functions -----------------------------------------------===// + +void processCacheFragCompilationUnitInit(void *Ptr) { + VPrintf(2, "in esan::%s\n", __FUNCTION__); +} + +void processCacheFragCompilationUnitExit(void *Ptr) { + VPrintf(2, "in esan::%s\n", __FUNCTION__); +} + +void initializeCacheFrag() { + VPrintf(2, "in esan::%s\n", __FUNCTION__); +} + +int finalizeCacheFrag() { + VPrintf(2, "in esan::%s\n", __FUNCTION__); + // FIXME: add the cache fragmentation final report. + Report("%s is not finished: nothing yet to report\n", SanitizerToolName); + return 0; +} + +} // namespace __esan diff --git a/lib/esan/cache_frag.h b/lib/esan/cache_frag.h new file mode 100644 index 000000000..9f8793220 --- /dev/null +++ b/lib/esan/cache_frag.h @@ -0,0 +1,28 @@ +//===-- cache_frag.h --------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file is a part of EfficiencySanitizer, a family of performance tuners. +// +// Header for cache-fragmentation-specific code. +//===----------------------------------------------------------------------===// + +#ifndef CACHE_FRAG_H +#define CACHE_FRAG_H + +namespace __esan { + +void processCacheFragCompilationUnitInit(void *Ptr); +void processCacheFragCompilationUnitExit(void *Ptr); + +void initializeCacheFrag(); +int finalizeCacheFrag(); + +} // namespace __esan + +#endif // CACHE_FRAG_H diff --git a/lib/esan/esan.cpp b/lib/esan/esan.cpp index f4087bcf2..b2110bb04 100644 --- a/lib/esan/esan.cpp +++ b/lib/esan/esan.cpp @@ -16,6 +16,7 @@ #include "esan_flags.h" #include "esan_interface_internal.h" #include "esan_shadow.h" +#include "cache_frag.h" #include "sanitizer_common/sanitizer_common.h" #include "sanitizer_common/sanitizer_flag_parser.h" #include "sanitizer_common/sanitizer_flags.h" @@ -175,7 +176,7 @@ void initializeLibrary(ToolType Tool) { initializeInterceptors(); if (WhichTool == ESAN_CacheFrag) { - // FIXME: add runtime code for this tool + initializeCacheFrag(); } else if (WhichTool == ESAN_WorkingSet) { initializeWorkingSet(); } @@ -186,10 +187,7 @@ void initializeLibrary(ToolType Tool) { int finalizeLibrary() { VPrintf(1, "in esan::%s\n", __FUNCTION__); if (WhichTool == ESAN_CacheFrag) { - // FIXME NYI: we need to add sampling + callstack gathering and have a - // strategy for how to generate a final report. - // We'll move this to cache_frag.cpp once we have something. - Report("%s is not finished: nothing yet to report\n", SanitizerToolName); + return finalizeCacheFrag(); } else if (WhichTool == ESAN_WorkingSet) { return finalizeWorkingSet(); } @@ -198,12 +196,18 @@ int finalizeLibrary() { void processCompilationUnitInit(void *Ptr) { VPrintf(2, "in esan::%s\n", __FUNCTION__); + if (WhichTool == ESAN_CacheFrag) { + processCacheFragCompilationUnitInit(Ptr); + } } // This is called when the containing module is unloaded. // For the main executable module, this is called after finalizeLibrary. void processCompilationUnitExit(void *Ptr) { VPrintf(2, "in esan::%s\n", __FUNCTION__); + if (WhichTool == ESAN_CacheFrag) { + processCacheFragCompilationUnitExit(Ptr); + } } } // namespace __esan |