1 files changed, 27 insertions, 0 deletions
diff --git a/deps/npm/lib/utils/perf.js b/deps/npm/lib/utils/perf.js
new file mode 100644
index 0000000000..0423263225
--- /dev/null
+++ b/deps/npm/lib/utils/perf.js
@@ -0,0 +1,27 @@
+'use strict'
+var log = require('npmlog')
+var EventEmitter = require('events').EventEmitter
+var perf = new EventEmitter()
+module.exports = perf
+
+var timings = {}
+
+process.on('time', time)
+process.on('timeEnd', timeEnd)
+
+perf.on('time', time)
+perf.on('timeEnd', timeEnd)
+
+function time (name) {
+  timings[name] = Date.now()
+}
+
+function timeEnd (name) {
+  if (name in timings) {
+    process.emit('timing', name, Date.now() - timings[name])
+    delete timings[name]
+  } else {
+    log.silly('timing', "Tried to end timer that doesn't exist:", name)
+    return
+  }
+}