update_engine: Send UMA stats about kernel key versions
Adding the following UMA stats:
- UpdateEngine.KernelKey.MinVersion: Minimum kernel key version
already set in the TPM.
- UpdateEngine.KernelKey.MaxRollforwardVersion: Maximum kernel key
rollforward version set by update_engine.
- UpdateEngine.KernelKey.MaxRollforwardSetSuccess: Whether setting
the maximum kernely key rollforward version succeeded.
Chromium CL of the new histograms: crrev.com/c/1078750
BUG=chromium:843622
TEST='cros_run_unit_tests --board=caroline --packages update_engine'
Change-Id: I14192b5ff9c07f8a003e0589450202f488cccc01
Reviewed-on: https://chromium-review.googlesource.com/1078968
Commit-Ready: Zentaro Kavanagh <zentaro@chromium.org>
Tested-by: Zentaro Kavanagh <zentaro@chromium.org>
Reviewed-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Zentaro Kavanagh <zentaro@chromium.org>
diff --git a/mock_metrics_reporter.h b/mock_metrics_reporter.h
index d080ce8..e3c1634 100644
--- a/mock_metrics_reporter.h
+++ b/mock_metrics_reporter.h
@@ -83,6 +83,11 @@
MOCK_METHOD2(ReportInstallDateProvisioningSource, void(int source, int max));
MOCK_METHOD1(ReportInternalErrorCode, void(ErrorCode error_code));
+
+ MOCK_METHOD3(ReportKeyVersionMetrics,
+ void(int kernel_min_version,
+ int kernel_max_rollforward_version,
+ bool kernel_max_rollforward_success));
};
} // namespace chromeos_update_engine