wspy – added support for –memstats
I have added support to wspy for the –memstats option.
Continue reading →Tag Archives: memory
Performance counters and memory analysis; checking with pmu_tools
After my previous post on backend analysis, I got a chance to look further breaking out backend stall statistics.
Continue reading →wspy – memory analysis for processes; need to sanity check the metrics…
As a followup to this post, I’ve implemented per-process capture of backend counters. I can now create a memory report from a process tree.
Continue reading →wspy – added topdown memory analysis
As a followup to a previous post, I’ve added support to wspy for topdown analysis for backend stalls.
Continue reading →Investigating Intel performance counters for backend memory costing…
I’ve implemented the first level for topdown performance counter analysis and also done an initial analysis of ~15 workloads from recent Phoronix article. A logical next step is to expand the “backend bound” category to first separate CPU-bound vs. memory-bound … Continue reading →
Investigating performance counters related to memory
As part of my investigation to create a page for STREAM, I have tried to reconcile things with underlying performance counters. This page documents some of that work.
Continue reading →Finding performance counters for memory traffic on Haswell
I have found the counters necessary for wspy to get memory reads/writes. It wasn’t completely straightforward, so this documents the steps I took.
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