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pmc: pmc frontend stall analysis based on IBS
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Authored by ali_mashtizadeh.com on Tue, Jun 23, 4:27 PM.
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Details

Reviewers
imp
jhb
mhorne
adrian
Group Reviewers
pmc
Summary

The frontend command uses AMD IBS frontend events to analyze the major
sources of frontend stalls. It displays a table breakind down the major
causes of front end stalls. This is a simple demonstration of the tools
as you can use the filtering tools to limit the analysis to a subset of
the samples including filtering by fetch latencies.

Sponsored by: Netflix

Diff Detail

Repository
rG FreeBSD src repository
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Build Status
Buildable 74157
Build 71040: arc lint + arc unit

Event Timeline

ali_mashtizadeh.com created this revision.
adrian added a subscriber: adrian.
adrian added inline comments.
usr.sbin/pmc/cmd_pmc_frontend.cc
137

Do you think it's worth adding cycles spent walking page tables?

This revision is now accepted and ready to land.Tue, Jun 30, 5:49 PM