telemetry.patch

# HG changeset patch
# User Valentin Gosu <valentin.gosu@gmail.com>
# Parent  5d98f64b411f8d7708143764bfdb63239d32e921
Bug 1313095 - Set different limits for cache queue size telemetry for priority and non-priority requests r=michal
MozReview-Commit-ID: 3BzAa1NOAKc

diff --git a/netwerk/protocol/http/nsHttpChannel.cpp b/netwerk/protocol/http/nsHttpChannel.cpp
--- a/netwerk/protocol/http/nsHttpChannel.cpp
+++ b/netwerk/protocol/http/nsHttpChannel.cpp
@@ -8250,36 +8250,34 @@ nsHttpChannel::ReportNetVSCacheTelemetry
     if (isImage) {
         Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTART_ISIMG, onStartDiff);
         Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTOP_ISIMG, onStopDiff);
     } else {
         Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTART_NOTIMG, onStartDiff);
         Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTOP_NOTIMG, onStopDiff);
     }
 
-    if (mCacheQueueSizeWhenOpen < 10) {
-        if (mCacheOpenWithPriority) {
+    if (mCacheOpenWithPriority) {
+        if (mCacheQueueSizeWhenOpen < 5) {
             Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTART_QSMALL_HIGHPRI, onStartDiff);
             Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTOP_QSMALL_HIGHPRI, onStopDiff);
-        } else {
-            Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTART_QSMALL_NORMALPRI, onStartDiff);
-            Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTOP_QSMALL_NORMALPRI, onStopDiff);
-        }
-    } else if (mCacheQueueSizeWhenOpen < 50) {
-        if (mCacheOpenWithPriority) {
+        } else if (mCacheQueueSizeWhenOpen < 10) {
             Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTART_QMED_HIGHPRI, onStartDiff);
             Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTOP_QMED_HIGHPRI, onStopDiff);
         } else {
+            Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTART_QBIG_HIGHPRI, onStartDiff);
+            Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTOP_QBIG_HIGHPRI, onStopDiff);
+        }
+    } else { // The limits are higher for normal priority cache queues
+        if (mCacheQueueSizeWhenOpen < 10) {
+            Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTART_QSMALL_NORMALPRI, onStartDiff);
+            Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTOP_QSMALL_NORMALPRI, onStopDiff);
+        } else if (mCacheQueueSizeWhenOpen < 50) {
             Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTART_QMED_NORMALPRI, onStartDiff);
             Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTOP_QMED_NORMALPRI, onStopDiff);
-        }
-    } else {
-        if (mCacheOpenWithPriority) {
-            Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTART_QBIG_HIGHPRI, onStartDiff);
-            Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTOP_QBIG_HIGHPRI, onStopDiff);
         } else {
             Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTART_QBIG_NORMALPRI, onStartDiff);
             Telemetry::Accumulate(Telemetry::HTTP_NET_VS_CACHE_ONSTOP_QBIG_NORMALPRI, onStopDiff);
         }
     }
 
     if (diskStorageSizeK < 32) {
         if (mCacheOpenWithPriority) {