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Hardware-assisted instruction profiling and latency …
https://ietresearch.onlinelibrary.wiley.com/doi/10.1049/joe.2016.0127
Debugging and profiling tools can alter the execution flow or timing, can induce heisenbugs and are thus marginally useful for debugging time critical systems. Software tracing, however advanced it may be, depends on consuming precious computing resources. In this study, the authors analyse state-of-the-art hardware-tracing support, as provided in modern Intel …
In-Depth System Analysis Using Hardware-Assisted …
https://www.sigarch.org/in-depth-system-analysis-using-hardware-assisted-tracing/
In-Depth System Analysis Using Hardware-Assisted Tracing. To a developer, debugging, profiling and tracing tools are akin to the tools that a craftsman carries in a belt on construction sites. In fact, constructing robust code is as important as observing how it behaves during actual execution on production hardware.
Hardware Tracing for Fast and Precise Performance …
https://thenewstack.io/hardware-tracing-fast-precise-performance-analysis/
Lets have a look at hardware tracing support in two most important architectures: ARM and Intel x86. ARM CoreSight. ARM’s CoreSight debug and trace architecture is an almost complete solution in itself. Hardware components, like Embedded Trace Macrocell (ETM) and Program Trace Macrocell (PTM), are interfaced with an AMBA Advanced Trace Bus (ATB).
Hardware-assisted instruction profiling and latency …
https://pdfs.semanticscholar.org/fabc/7e02d6122a1ddb5e19bd268176faf0caec4e.pdf
Hardware-tracing modules for recent microprocessors (Class 2– Class 4) can either utilise (i) on-chip buffers for tracing, recording trace data from individual CPUs on the system-on-chip, and send it for internal processing or storage or (ii) off-chip trace buffers that allow trace data to flow from on-chip internal buffers to external
Trace and Profiling - Developer Help
https://www.microchipdeveloper.com/realice:trace-and-profiling
PC profiling is a method for examining C code to determine how much time is spent in each function. This information can show you where your program time is being spent so you can work to optimize your code. For PC profiling, every program counter (PC) trace sample is taken from the trace (data) buffer and profiled. PC Sampling
Profiling Hardware Without Intel Sampling Drivers
https://www.intel.com/content/www/us/en/develop/documentation/vtune-cookbook/top/configuration-recipes/profiling-hardware-without-sampling-drivers.html
have extended the Linux Perf (driverless) support providing the profiling functionality, a collection overhead, and trace size competitive with the Intel sampling driver-based solution. However, VTune Profiler capabilities in the driverless mode depend on your Linux OS configuration and might have some limitations described in some recipes below.
Jack Whitham - Profiling versus tracing
https://www.jwhitham.org/2016/02/profiling-versus-tracing.html
Traces can also be useful for discovering the chain of events that led to a problem: in this sense, a tracing tool is a bit like a reversible debugger such as Undodb or RR, but with the advantage of running on platforms that reversible debugging can't support, like exotic embedded systems hardware or Microsoft Windows. Traces don't let you see absolutely all information …
Hardware and Application Profiling Tools - ScienceDirect
https://www.sciencedirect.com/science/article/pii/B9780124202320000039
Gleipnir: Gleipnir is a program profiling and tracing tool built as a third-party plug-in tool . It combines several native Valgrind tools into a tracing–simulating environment.
About the Hardware Counter Profiling Tutorial
https://docs.oracle.com/cd/E37069_01/html/E37087/gpazn.html
About the Hardware Counter Profiling Tutorial. This tutorial shows how to use Performance Analyzer on a multithreaded program named mttest to collect and understand clock profiling and hardware counter profiling data. You explore the Overview page and change which metrics are shown, examine the Functions view, Callers-Callees view, and Source and Disassembly views, …
Hardware-Assisted Instruction Profiling and Latency …
https://www.researchgate.net/publication/307524813_Hardware-Assisted_Instruction_Profiling_and_Latency_Detection/fulltext/57c78bc208aefc4af34c8540/307524813_Hardware-Assisted_Instruction_Profiling_and_Latency_Detection.pdf
Hardware Tracing As discussed previously, the complete instruction and branch tracing is supported by dedicated hardware in modern multi-core processors. They provide external hardware recorders...
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