As you can see here:
https://treeherder.mozilla.org/#/jobs?repo=autoland&group_state=expanded&searchStr=linux%2Cx64%2Cshippable%2Copt%2Craptor%2Cperformance%2Ctests%2Con%2Cfirefox%2Ctest-linux64-shippable%2Fopt-raptor-tp6-24-firefox-cold-e10s%2Crap%28tp6-c-24-p%29&tochange=af790c1efe5d6e0ee45fad4c02f247467f11db0e&fromchange=f335193ba437543cb8065285f393408fcbb8e914

the gecko profile task fails.

Investigate and fix the issue

Anyone knows why this is failing?

https://treeherder.mozilla.org/#/jobs?repo=autoland&group_state=expanded&searchStr=tp6%2C-p&revision=d73cfe3a04e90b5dff64f6d4e3c3a9183aec4ec5

I see the following in the log:

[taskcluster:error] TASK FAIL since the task payload is invalid. See errors:
[taskcluster:error] - command.2: Invalid type. Expected: array, given: string
[taskcluster:error] Validation of payload failed for task TWqXAHQTQo6I062lKpEgVw

The payload for the failing task can be seen at https://tools.taskcluster.net/groups/AjcF6mSBSxOxhmrOtP5pgg/tasks/TWqXAHQTQo6I062lKpEgVw/details. It looks like the issue is with the value of the "command", where an array is expected, but the string "--geckoProfile" is found. I suspect this string needs to be appended to the array that it follows.

"command": [
  [
    "chmod",
    "+x",
    "run-task"
  ],
  [
    "/usr/local/bin/python3",
    "run-task",
    "--",
    "/usr/local/bin/python2",
    "-u",
    "mozharness/scripts/raptor_script.py",
    "--cfg",
    "mozharness/configs/raptor/mac_config.py",
    "--test=raptor-tp6-1",
    "--download-symbols",
    "ondemand"
  ],
  "--geckoProfile"
],

Tracking this down, it seems like the logic for applying that extra --geckoProfile resides in this gecko_profile.py module from mozilla-central.

I've chosen this push range to test the "Create Gecko Profiles" functionality.

I've requested Gecko profiles for T(o)(pageload), T(g1) (pageload), T(c) (startup) jobs, on all desktop platforms.

Looks like Talos is broken too. Not sure in what proportion.

Also requested Gecko profiles for Rap(tp6-1), Rap(tp6m-c-1), Rap(sp).

Also, I've submitted an initial fix here, on Try. It allows me to inspect the breakage more precisely.

https://hg.mozilla.org/mozilla-central/rev/1936d7a01173