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authorErik Johnston <erik@matrix.org>2015-11-17 15:45:43 +0000
committerErik Johnston <erik@matrix.org>2015-11-17 15:45:43 +0000
commitd3861b44424aa6f03cc65719bb1527330157abea (patch)
tree4377eb0dc5e221862489bdcc802e50e2f1f41cb1 /synapse/metrics/__init__.py
parentMerge branch 'hotfixes-v0.10.0-r2' of github.com:matrix-org/synapse (diff)
parentSlightly more aggressive retry timers at HTTP level (diff)
downloadsynapse-d3861b44424aa6f03cc65719bb1527330157abea.tar.xz
Merge branch 'release-v0.11.0' of github.com:matrix-org/synapse v0.11.0
Diffstat (limited to 'synapse/metrics/__init__.py')
-rw-r--r--synapse/metrics/__init__.py11
1 files changed, 7 insertions, 4 deletions
diff --git a/synapse/metrics/__init__.py b/synapse/metrics/__init__.py
index d7bcad8a8a..943d637459 100644
--- a/synapse/metrics/__init__.py
+++ b/synapse/metrics/__init__.py
@@ -17,7 +17,7 @@
 from __future__ import absolute_import
 
 import logging
-from resource import getrusage, getpagesize, RUSAGE_SELF
+from resource import getrusage, RUSAGE_SELF
 import functools
 import os
 import stat
@@ -100,7 +100,6 @@ def render_all():
 # process resource usage
 
 rusage = None
-PAGE_SIZE = getpagesize()
 
 
 def update_resource_metrics():
@@ -113,8 +112,8 @@ resource_metrics = get_metrics_for("process.resource")
 resource_metrics.register_callback("utime", lambda: rusage.ru_utime * 1000)
 resource_metrics.register_callback("stime", lambda: rusage.ru_stime * 1000)
 
-# pages
-resource_metrics.register_callback("maxrss", lambda: rusage.ru_maxrss * PAGE_SIZE)
+# kilobytes
+resource_metrics.register_callback("maxrss", lambda: rusage.ru_maxrss * 1024)
 
 TYPES = {
     stat.S_IFSOCK: "SOCK",
@@ -131,6 +130,10 @@ def _process_fds():
     counts = {(k,): 0 for k in TYPES.values()}
     counts[("other",)] = 0
 
+    # Not every OS will have a /proc/self/fd directory
+    if not os.path.exists("/proc/self/fd"):
+        return counts
+
     for fd in os.listdir("/proc/self/fd"):
         try:
             s = os.stat("/proc/self/fd/%s" % (fd))