Messages in this thread | | | Date | Mon, 25 Jun 2012 22:04:52 -0700 (PDT) | From | Martin Rosenberg <> | 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@gmail.com> To: "Martin Rosenberg" <mrosenberg@mozilla.com> Cc: linux-kernel@vger.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
| |