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| author |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2015-03-10 10:29:46 +0000 |
|---|---|---|
| committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2015-03-10 10:37:07 +0000 |
| commit | 0e0ba408c2dce14a0fabd3fdf61d8465a031495b (patch) | |
| tree | 01d542d49f25cc6b26e49cbf112fb3f6519db818 /lib/bb/server | |
| parent | fbd4a0d422cf7f43db2f9eab2e47c41246a9031e (diff) | |
| download | bitbake-0e0ba408c2dce14a0fabd3fdf61d8465a031495b.tar.gz | |
cooker/server: Fix up 100% CPU usage at idle
The recent inotify changes are causing a 100% cpu usage issue in the
idle handlers. To avoid this, we update the idle functions to optionally
report a float value which is the delay before the function needs to be
called again. 1 second is fine for the inotify handler, in reality its
more like 0.1s due to the default idle function sleep.
This reverts performance regressions of 1.5 minutes on a kernel build
and ~5-6 minutes on a image from scratch.
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'lib/bb/server')
| -rw-r--r-- | lib/bb/server/process.py | 3 | ||||
| -rw-r--r-- | lib/bb/server/xmlrpc.py | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/lib/bb/server/process.py b/lib/bb/server/process.py index 7671b26a8..c9286ddba 100644 --- a/lib/bb/server/process.py +++ b/lib/bb/server/process.py @@ -135,6 +135,9 @@ class ProcessServer(Process, BaseImplServer): nextsleep = None elif retval is True: nextsleep = None + elif isinstance(retval, float): + if (retval < nextsleep): + nextsleep = retval elif nextsleep is None: continue else: diff --git a/lib/bb/server/xmlrpc.py b/lib/bb/server/xmlrpc.py index 17f3d9d90..75ec8556f 100644 --- a/lib/bb/server/xmlrpc.py +++ b/lib/bb/server/xmlrpc.py @@ -242,6 +242,9 @@ class XMLRPCServer(SimpleXMLRPCServer, BaseImplServer): del self._idlefuns[function] elif retval is True: nextsleep = 0 + elif isinstance(retval, float): + if (retval < nextsleep): + nextsleep = retval else: fds = fds + retval except SystemExit: |