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Creates a new license request latency metric

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Previously, we did not have a license request latency metric. This is a
notable limitation in our metrics. This adds a metric that captures the
timing between a GenerateKeyRequest and an AddKey operation.

Bug: 72994956
Test: New unit tests. Google Play
Change-Id: If99c187399c02f9b5d4c355732af7588bbbefb11
This commit is contained in:
Adam Stone
2018-03-15 18:17:41 -07:00
parent e1fe90372f
commit 09c45c4440
12 changed files with 153 additions and 30 deletions
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5
libwvdrmengine/cdm/metrics/src/metrics.proto
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@@ -44,6 +44,8 @@ message Attributes {
optional uint32 key_status_type = 14;
// Defined at ::android::hardware::drm::V1_0::EventType;
optional uint32 event_type = 15;
// Contains the CdmKeyRequestType defined in wv_cdm_types.h.
optional uint32 key_request_type = 16;
}
// The Counter message is used to store a count value with an associated
@@ -153,7 +155,7 @@ message WvCdmMetrics {
// This contains metrics that were captured within a CdmSession. This contains
// nested CryptoMetrics that were captured in the context of the session.
// next id: 7
// next id: 8
message SessionMetrics {
optional ValueMetric session_id = 1;
optional CryptoMetrics crypto_metrics = 2;
@@ -161,6 +163,7 @@ message WvCdmMetrics {
repeated DistributionMetric cdm_session_renew_key_time_us = 4;
repeated CounterMetric cdm_session_restore_offline_session = 5;
repeated CounterMetric cdm_session_restore_usage_session = 6;
repeated DistributionMetric cdm_session_license_request_latency_ms = 7;
}
// These are metrics recorded at the Engine level. This includes CryptoSession