diff --git a/synapse/metrics/process_collector.py b/synapse/metrics/process_collector.py
index f812a80e95..6fec3de399 100644
--- a/synapse/metrics/process_collector.py
+++ b/synapse/metrics/process_collector.py
@@ -14,7 +14,6 @@
# limitations under the License.
import os
-import stat
TICKS_PER_SEC = 100
@@ -25,16 +24,6 @@ HAVE_PROC_SELF_STAT = os.path.exists("/proc/self/stat")
HAVE_PROC_SELF_LIMITS = os.path.exists("/proc/self/limits")
HAVE_PROC_SELF_FD = os.path.exists("/proc/self/fd")
-TYPES = {
- stat.S_IFSOCK: "SOCK",
- stat.S_IFLNK: "LNK",
- stat.S_IFREG: "REG",
- stat.S_IFBLK: "BLK",
- stat.S_IFDIR: "DIR",
- stat.S_IFCHR: "CHR",
- stat.S_IFIFO: "FIFO",
-}
-
# Field indexes from /proc/self/stat, taken from the proc(5) manpage
STAT_FIELDS = {
"utime": 14,
@@ -46,7 +35,6 @@ STAT_FIELDS = {
stats = {}
-fd_counts = None
# In order to report process_start_time_seconds we need to know the
# machine's boot time, because the value in /proc/self/stat is relative to
@@ -72,33 +60,13 @@ def update_resource_metrics():
# we've lost the first two fields in PID and COMMAND above
stats[name] = int(raw_stats[index - 3])
- global fd_counts
- fd_counts = _process_fds()
-
-
-def _process_fds():
- counts = {(k,): 0 for k in TYPES.values()}
- counts[("other",)] = 0
+def _count_fds():
# Not every OS will have a /proc/self/fd directory
if not HAVE_PROC_SELF_FD:
- return counts
-
- for fd in os.listdir("/proc/self/fd"):
- try:
- s = os.stat("/proc/self/fd/%s" % (fd))
- fmt = stat.S_IFMT(s.st_mode)
- if fmt in TYPES:
- t = TYPES[fmt]
- else:
- t = "other"
-
- counts[(t,)] += 1
- except OSError:
- # the dirh itself used by listdir() is usually missing by now
- pass
+ return 0
- return counts
+ return len(os.listdir("/proc/self/fd"))
def register_process_collector(process_metrics):
@@ -135,7 +103,7 @@ def register_process_collector(process_metrics):
if HAVE_PROC_SELF_FD:
process_metrics.register_callback(
"open_fds",
- lambda: sum(fd_counts.values())
+ lambda: _count_fds()
)
if HAVE_PROC_SELF_LIMITS:
|