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authorPatrick Ohly <patrick.ohly@intel.com>2016-11-30 10:50:06 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2016-12-07 10:36:10 +0000
commit21a5b569370f47cc02291e1d8b76fe43faa04ea6 (patch)
treec2d8730466fb7912235dcbeaf146d6949b00cd61 /meta/lib/buildstats.py
parent1658fd5e9ca1ba793cae604c2a395d54e3ec9056 (diff)
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buildstats: record disk space usage
Hooks into the new monitordisk.py event and records the used space for each volume. That is probably the only relevant value when it comes to visualizing the build and recording more would only increase disk usage. Signed-off-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
Diffstat (limited to 'meta/lib/buildstats.py')
-rw-r--r--meta/lib/buildstats.py22
1 files changed, 17 insertions, 5 deletions
diff --git a/meta/lib/buildstats.py b/meta/lib/buildstats.py
index 8ce4112c2d..7c8b3521a7 100644
--- a/meta/lib/buildstats.py
+++ b/meta/lib/buildstats.py
@@ -3,6 +3,7 @@
# like open log files and the time of the last sampling.
import time
+import bb.event
class SystemStats:
def __init__(self, d):
@@ -19,8 +20,10 @@ class SystemStats:
# concurrently.
self.proc_files.append((filename,
open(os.path.join(bsdir, 'proc_%s.log' % filename), 'ab')))
- # Last time that we sampled data.
- self.last = 0
+ self.monitor_disk = open(os.path.join(bsdir, 'monitor_disk.log'), 'ab')
+ # Last time that we sampled /proc data resp. recorded disk monitoring data.
+ self.last_proc = 0
+ self.last_disk_monitor = 0
# Minimum number of seconds between recording a sample. This
# becames relevant when we get called very often while many
# short tasks get started. Sampling during quiet periods
@@ -32,9 +35,9 @@ class SystemStats:
for _, output, _ in self.proc_files:
output.close()
- def sample(self, force):
+ def sample(self, event, force):
now = time.time()
- if (now - self.last > self.min_seconds) or force:
+ if (now - self.last_proc > self.min_seconds) or force:
for filename, output in self.proc_files:
with open(os.path.join('/proc', filename), 'rb') as input:
data = input.read()
@@ -44,4 +47,13 @@ class SystemStats:
('%.0f\n' % now).encode('ascii') +
data +
b'\n')
- self.last = now
+ self.last_proc = now
+
+ if isinstance(event, bb.event.MonitorDiskEvent) and \
+ ((now - self.last_disk_monitor > self.min_seconds) or force):
+ os.write(self.monitor_disk.fileno(),
+ ('%.0f\n' % now).encode('ascii') +
+ ''.join(['%s: %d\n' % (dev, sample.total_bytes - sample.free_bytes)
+ for dev, sample in event.disk_usage.items()]).encode('ascii') +
+ b'\n')
+ self.last_disk_monitor = now