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Message-ID: <1090364757.4589034.1340687092722.JavaMail.root@mozilla.com> Date: Mon, 25 Jun 2012 22:04:52 -0700 (PDT) From: Martin Rosenberg <mrosenberg@...illa.com> To: David Ahern <dsahern@...il.com> Cc: linux-kernel@...r.kernel.org Subject: Re: perf report does not get along with perf record -A Derp. I went through all of that effort to make sure I had recorded everything about my setup, and I forgot the versiou perf version 3.2.17 built unpatched from a 3.4.4 tarball ----- Original Message ----- From: "David Ahern" <dsahern@...il.com> To: "Martin Rosenberg" <mrosenberg@...illa.com> Cc: linux-kernel@...r.kernel.org Sent: Monday, June 25, 2012 9:40:49 PM Subject: Re: perf report does not get along with perf record -A On 6/25/12 6:10 PM, Martin Rosenberg wrote: > I'm working under the assumption that if I want to collect statistics from multiple runs of a program, I can do this by running > perf record prog; perf record -A prog; perf record -A prog > > I've found that running perf record twice results in perf report hanging, and running it more than twice results in perf report first spewing a message about invalid formats, then crashing. > A log of the session, as well as the binary, its input and perf.data can be found at: What does 'perf --version' show? David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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