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Diffstat (limited to 'src/inc/jitperf.h')
| -rw-r--r-- | src/inc/jitperf.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/inc/jitperf.h b/src/inc/jitperf.h new file mode 100644 index 0000000000..022cfd2169 --- /dev/null +++ b/src/inc/jitperf.h @@ -0,0 +1,97 @@ +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. +//----------------------------------------------------------------------------- +// JitPerf.h +// Internal interface for gathering JIT perfmormance stats. These stats are +// logged (or displayed) in two ways. If PERF_COUNTERS are enabled the +// perfmon etc. would display the jit stats. If ENABLE_PERF_LOG is enabled +// and PERF_OUTPUT env var is defined then the jit stats are displayed on the +// stdout. (The jit stats are outputted in a specific format to a file for +// automated perf tests.) +// + +//----------------------------------------------------------------------------- + + +#ifndef __JITPERF_H__ +#define __JITPERF_H__ + +#include "mscoree.h" +#include "clrinternal.h" + +// ENABLE_JIT_PERF tag used to activate JIT specific profiling. +#define ENABLE_JIT_PERF + +#if defined(ENABLE_JIT_PERF) + +extern __int64 g_JitCycles; +extern size_t g_NonJitCycles; +extern CRITSEC_COOKIE g_csJit; +extern __int64 g_tlsJitCycles; +extern int g_fJitPerfOn; + +extern size_t g_dwTlsx86CodeSize; +extern size_t g_TotalILCodeSize; +extern size_t g_Totalx86CodeSize; +extern size_t g_TotalMethodsJitted; + +// Public interface to initialize jit stats data structs +void InitJitPerf(void); +// Public interface to deallocate datastruct and output the stats. +void DoneJitPerfStats(void); + +// Start/StopNonJITPerf macros are used many times. Factor out the payload +// into helper method to reduce code size. +void StartNonJITPerfWorker(LARGE_INTEGER * pCycleStart); +void StopNonJITPerfWorker(LARGE_INTEGER * pCycleStart); + +// Use the callee's stack frame (so START & STOP functions can share variables) +#define START_JIT_PERF() \ + if (g_fJitPerfOn) { \ + ClrFlsSetValue (TlsIdx_JitPerf, (LPVOID)0); \ + g_dwTlsx86CodeSize = 0; \ + ClrFlsSetValue (TlsIdx_JitX86Perf, (LPVOID)g_dwTlsx86CodeSize); \ + } + + +#define STOP_JIT_PERF() \ + if (g_fJitPerfOn) { \ + size_t dwTlsNonJitCycles = (size_t)ClrFlsGetValue (TlsIdx_JitPerf); \ + size_t dwx86CodeSize = (size_t)ClrFlsGetValue (TlsIdx_JitX86Perf); \ + CRITSEC_Holder csh (g_csJit); \ + g_JitCycles += static_cast<size_t>(CycleStop.QuadPart - CycleStart.QuadPart); \ + g_NonJitCycles += dwTlsNonJitCycles; \ + g_TotalILCodeSize += methodInfo.ILCodeSize; \ + g_Totalx86CodeSize += dwx86CodeSize; \ + g_TotalMethodsJitted ++; \ + } + +#define START_NON_JIT_PERF() \ + LARGE_INTEGER CycleStart; \ + if(g_fJitPerfOn) { \ + StartNonJITPerfWorker(&CycleStart); \ + } + +#define STOP_NON_JIT_PERF() \ + if(g_fJitPerfOn) { \ + StopNonJITPerfWorker(&CycleStart); \ + } + +#define JIT_PERF_UPDATE_X86_CODE_SIZE(size) \ + if(g_fJitPerfOn) { \ + size_t dwx86CodeSize = (size_t)ClrFlsGetValue (TlsIdx_JitX86Perf); \ + dwx86CodeSize += (size); \ + ClrFlsSetValue (TlsIdx_JitX86Perf, (LPVOID)dwx86CodeSize); \ + } + + +#else //ENABLE_JIT_PERF +#define START_JIT_PERF() +#define STOP_JIT_PERF() +#define START_NON_JIT_PERF() +#define STOP_NON_JIT_PERF() +#define JIT_PERF_UPDATE_X86_CODE_SIZE(size) +#endif //ENABLE_JIT_PERF + +#endif //__JITPERF_H__ |