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| author | Paul "LeoNerd" Evans <paul@matrix.org> | 2016-10-19 15:37:41 +0100 |
|---|---|---|
| committer | Paul "LeoNerd" Evans <paul@matrix.org> | 2016-10-19 15:37:41 +0100 |
| commit | b202531be6d8bfcdb7ce555b164a1578bcdf33f5 (patch) | |
| tree | 91903dac278698abb4770c589833c6147a822c64 /synapse/metrics/__init__.py | |
| parent | Guard registration of process-wide metrics by existence of the requisite /pro... (diff) | |
| download | synapse-b202531be6d8bfcdb7ce555b164a1578bcdf33f5.tar.xz | |
Also guard /proc/self/fds-related code with a suitable psuedoconstant
Diffstat (limited to 'synapse/metrics/__init__.py')
| -rw-r--r-- | synapse/metrics/__init__.py | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/synapse/metrics/__init__.py b/synapse/metrics/__init__.py index 323328061a..081f3aa3d8 100644 --- a/synapse/metrics/__init__.py +++ b/synapse/metrics/__init__.py @@ -118,6 +118,7 @@ BYTES_PER_PAGE = 4096 HAVE_PROC_STAT = os.path.exists("/proc/stat") HAVE_PROC_SELF_STAT = os.path.exists("/proc/self/stat") HAVE_PROC_SELF_LIMITS = os.path.exists("/proc/self/limits") +HAVE_PROC_SELF_FDS = os.path.exists("/proc/self/fds") rusage = None stats = None @@ -162,7 +163,7 @@ def _process_fds(): counts[("other",)] = 0 # Not every OS will have a /proc/self/fd directory - if not os.path.exists("/proc/self/fd"): + if not HAVE_PROC_SELF_FDS: return counts for fd in os.listdir("/proc/self/fd"): @@ -217,11 +218,12 @@ if HAVE_PROC_SELF_STAT: ) process_metrics.register_callback( - "open_fds", lambda: sum(fd_counts.values()) + "start_time_seconds", lambda: boot_time + int(stats[19]) / TICKS_PER_SEC ) +if HAVE_PROC_SELF_FDS: process_metrics.register_callback( - "start_time_seconds", lambda: boot_time + int(stats[19]) / TICKS_PER_SEC + "open_fds", lambda: sum(fd_counts.values()) ) if HAVE_PROC_SELF_LIMITS: |