diff mbox series

cooker: Log config and parse cache status changes

Message ID 20230501220828.2781291-1-richard.purdie@linuxfoundation.org
State Accepted, archived
Commit 6e99d89f3c00a5f53c24d687eaef24f52fe0ef99
Headers show
Series cooker: Log config and parse cache status changes | expand

Commit Message

Richard Purdie May 1, 2023, 10:08 p.m. UTC
It can be hard to tell why bitbake does some things slowly. Log the changes
to the base configuration and parse cache status so that it becomes clear
from the logs when the cache invalidation causes a slowdown.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 lib/bb/cooker.py | 39 +++++++++++++++++++++++++++------------
 1 file changed, 27 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/lib/bb/cooker.py b/lib/bb/cooker.py
index f33bca4f86..554c7f10a5 100644
--- a/lib/bb/cooker.py
+++ b/lib/bb/cooker.py
@@ -151,6 +151,8 @@  class BBCooker:
 
     def __init__(self, featureSet=None, server=None):
         self.recipecaches = None
+        self.baseconfig_valid = False
+        self.parsecache_valid = False
         self.eventlog = None
         self.skiplist = {}
         self.featureset = CookerFeatures()
@@ -264,11 +266,25 @@  class BBCooker:
                     n.read_events()
                     n.process_events()
 
+    def _baseconfig_set(self, value):
+        if value and not self.baseconfig_valid:
+            bb.server.process.serverlog("Base config valid")
+        elif not value and self.baseconfig_valid:
+            bb.server.process.serverlog("Base config invalidated")
+        self.baseconfig_valid = value
+
+    def _parsecache_set(self, value):
+        if value and not self.parsecache_valid:
+            bb.server.process.serverlog("Parse cache valid")
+        elif not value and self.parsecache_valid:
+            bb.server.process.serverlog("Parse cache invalidated")
+        self.parsecache_valid = value
+
     def config_notifications(self, event):
         if event.maskname == "IN_Q_OVERFLOW":
             bb.warn("inotify event queue overflowed, invalidating caches.")
-            self.parsecache_valid = False
-            self.baseconfig_valid = False
+            self._parsecache_set(False)
+            self._baseconfig_set(False)
             bb.parse.clear_cache()
             return
         if not event.pathname in self.configwatcher.bbwatchedfiles:
@@ -281,12 +297,12 @@  class BBCooker:
                 bb.parse.clear_cache()
         if not event.pathname in self.inotify_modified_files:
             self.inotify_modified_files.append(event.pathname)
-        self.baseconfig_valid = False
+        self._baseconfig_set(False)
 
     def notifications(self, event):
         if event.maskname == "IN_Q_OVERFLOW":
             bb.warn("inotify event queue overflowed, invalidating caches.")
-            self.parsecache_valid = False
+            self._parsecache_set(False)
             bb.parse.clear_cache()
             return
         if event.pathname.endswith("bitbake-cookerdaemon.log") \
@@ -300,7 +316,7 @@  class BBCooker:
                 bb.parse.clear_cache()
         if not event.pathname in self.inotify_modified_files:
             self.inotify_modified_files.append(event.pathname)
-        self.parsecache_valid = False
+        self._parsecache_set(False)
 
     def add_filewatch(self, deps, watcher=None, dirs=False):
         if not watcher:
@@ -422,8 +438,8 @@  class BBCooker:
         for mc in self.databuilder.mcdata.values():
             self.add_filewatch(mc.getVar("__base_depends", False), self.configwatcher)
 
-        self.baseconfig_valid = True
-        self.parsecache_valid = False
+        self._baseconfig_set(True)
+        self._parsecache_set(False)
 
     def handlePRServ(self):
         # Setup a PR Server based on the new configuration
@@ -489,7 +505,7 @@  class BBCooker:
 
         self.handleCollections(self.data.getVar("BBFILE_COLLECTIONS"))
 
-        self.parsecache_valid = False
+        self._parsecache_set(False)
 
     def updateConfigOpts(self, options, environment, cmdline):
         self.ui_cmdline = cmdline
@@ -1509,7 +1525,7 @@  class BBCooker:
                     bb.event.fire(bb.event.BuildCompleted(len(rq.rqdata.runtaskentries), buildname, item, failures, interrupted), self.databuilder.mcdata[mc])
                     bb.event.disable_heartbeat()
                 # We trashed self.recipecaches above
-                self.parsecache_valid = False
+                self._parsecache_set(False)
                 self.configuration.limited_deps = False
                 bb.parse.siggen.reset(self.data)
                 if quietlog:
@@ -1678,7 +1694,7 @@  class BBCooker:
                 self.add_filewatch([[dirent]], dirs=True)
 
             self.parser = CookerParser(self, mcfilelist, total_masked)
-            self.parsecache_valid = True
+            self._parsecache_set(True)
 
         self.state = state.parsing
 
@@ -1796,8 +1812,7 @@  class BBCooker:
            self.data = self.databuilder.data
         # In theory tinfoil could have modified the base data before parsing,
         # ideally need to track if anything did modify the datastore
-        self.parsecache_valid = False
-
+        self._parsecache_set(False)
 
 class CookerExit(bb.event.Event):
     """