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authorJohn Kåre Alsaker <john.kare.alsaker@gmail.com>2020-01-08 21:32:00 +0100
committerJohn Kåre Alsaker <john.kare.alsaker@gmail.com>2020-01-09 07:06:41 +0100
commit7db4b7efa28ae62cfc95f34b6ffdad81f2e59b09 (patch)
tree28fdd3b156e57080e0fdd49a11f08221b864fefd
parent5427601e9ed173ad8e36adf02e5883729753af20 (diff)
downloadrust-7db4b7efa28ae62cfc95f34b6ffdad81f2e59b09.tar.gz
rust-7db4b7efa28ae62cfc95f34b6ffdad81f2e59b09.zip
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-rw-r--r--src/librustc_data_structures/profiling.rs8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/librustc_data_structures/profiling.rs b/src/librustc_data_structures/profiling.rs
index b779bcbd55d..a9d3a2668aa 100644
--- a/src/librustc_data_structures/profiling.rs
+++ b/src/librustc_data_structures/profiling.rs
@@ -134,7 +134,9 @@ impl SelfProfilerRef {
     }
 
     /// Start profiling a verbose generic activity. Profiling continues until the
-    /// VerboseTimingGuard returned from this call is dropped.
+    /// VerboseTimingGuard returned from this call is dropped. In addition to recording
+    /// a measureme event, "verbose" generic activities also print a timing entry to
+    /// stdout if the compiler is invoked with -Ztime or -Ztime-passes.
     #[inline(always)]
     pub fn verbose_generic_activity<'a>(&'a self, event_id: &'a str) -> VerboseTimingGuard<'a> {
         VerboseTimingGuard::start(
@@ -145,7 +147,9 @@ impl SelfProfilerRef {
     }
 
     /// Start profiling a extra verbose generic activity. Profiling continues until the
-    /// VerboseTimingGuard returned from this call is dropped.
+    /// VerboseTimingGuard returned from this call is dropped. In addition to recording
+    /// a measureme event, "extra verbose" generic activities also print a timing entry to
+    /// stdout if the compiler is invoked with -Ztime-passes.
     #[inline(always)]
     pub fn extra_verbose_generic_activity<'a>(
         &'a self,