Date: Tue, 18 Feb 2014 16:32:32 -0800 From: Adrian Chadd <adrian@freebsd.org> To: "freebsd-arch@freebsd.org" <freebsd-arch@freebsd.org>, freebsd-current <freebsd-current@freebsd.org>, George Neville-Neil <gnn@freebsd.org> Subject: [rfc] add callgraph PC annotation to pmcstat Message-ID: <CAJ-VmomBYHvG7PWM8MMuS5c9H1RfXdYG8=j2vGhqxkCyN%2B4A%2Bg@mail.gmail.com>
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Hi, This patch adds callgraph annotation to pmcstat via -a. It doesn't (yet) add line numbers; I'll see if I can easily add that without too much effort. This is like (and based on) the -m option but the -m option only prints the first entry in the callgraph. It isn't very useful if you want to see what actually called it and where it called it from, in order to trace things like "where's that memcpy actually coming from?" http://people.freebsd.org/~adrian/netflix/20140218-pmcstat-callgraph-annotate.diff Thanks! -a
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