[Webkit-unassigned] [Bug 131132] New: [webkitpy] perf profiler does not understand --call-graph argument

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Apr 2 15:11:56 PDT 2014


           Summary: [webkitpy] perf profiler does not understand
                    --call-graph argument
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rego at igalia.com
                CC: zandobersek at gmail.com

New version of perf profiler (3.13.6 in Debian testing) do not understand --call-graph argument.

So when running perf-tests enabling the profiler you get the following error:
callchain: Unknown --call-graph option value: --output

 usage: perf record [<options>] [<command>]
    or: perf record [<options>] -- <command> [<options>]

        --call-graph <mode[,dump_size]>
                          setup and enables call-graph (stack chain/backtrace) recording: fp dwarf

Using -g seems enough (from the manual):
           Enables call-graph (stack chain/backtrace) recording.

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