fix(metrics): update memory usage metrics to report in megabytes

Author: huangdijia

src/sentry/src/Metrics/Listener/OnBeforeHandle.php

@@ -97,15 +97,15 @@ public function process(object $event): void
 
             metrics()->gauge(
                 'memory_usage',
-                (float) memory_get_usage(),
+                memory_get_usage(true) / 1024 / 1024,
                 ['worker' => '0'],
-                Unit::byte()
+                Unit::megabyte()
             );
             metrics()->gauge(
                 'memory_peak_usage',
-                (float) memory_get_peak_usage(),
+                memory_get_peak_usage(true) / 1024 / 1024,
                 ['worker' => '0'],
-                Unit::byte()
+                Unit::megabyte()
             );
         });
 

src/sentry/src/Metrics/Listener/OnCoroutineServerStart.php

@@ -108,15 +108,15 @@ public function process(object $event): void
 
             metrics()->gauge(
                 'memory_usage',
-                (float) memory_get_usage(),
+                memory_get_usage(true) / 1024 / 1024,
                 ['worker' => '0'],
-                Unit::byte()
+                Unit::megabyte()
             );
             metrics()->gauge(
                 'memory_peak_usage',
-                (float) memory_get_peak_usage(),
+                memory_get_peak_usage(true) / 1024 / 1024,
                 ['worker' => '0'],
-                Unit::byte()
+                Unit::megabyte()
             );
         });
 

src/sentry/src/Metrics/Listener/OnMetricFactoryReady.php

@@ -120,15 +120,15 @@ public function process(object $event): void
             );
             metrics()->gauge(
                 'metric_process_memory_usage',
-                (float) memory_get_usage(),
+                memory_get_usage(true) / 1024 / 1024,
                 ['worker' => (string) $workerId],
-                Unit::byte()
+                Unit::megabyte()
             );
             metrics()->gauge(
                 'metric_process_memory_peak_usage',
-                (float) memory_get_peak_usage(),
+                memory_get_peak_usage(true) / 1024 / 1024,
                 ['worker' => (string) $workerId],
-                Unit::byte()
+                Unit::megabyte()
             );
         });
 

src/sentry/src/Metrics/Listener/OnWorkerStart.php

@@ -110,15 +110,15 @@ public function process(object $event): void
             );
             metrics()->gauge(
                 'memory_usage',
-                (float) memory_get_usage(),
+                memory_get_usage(true) / 1024 / 1024,
                 ['worker' => (string) ($event->workerId ?? 0)],
-                Unit::byte()
+                Unit::megabyte()
             );
             metrics()->gauge(
                 'memory_peak_usage',
-                (float) memory_get_peak_usage(),
+                memory_get_peak_usage(true) / 1024 / 1024,
                 ['worker' => (string) ($event->workerId ?? 0)],
-                Unit::byte()
+                Unit::megabyte()
             );
         });