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bitbake: Implement signatures

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Includes functionality to find out what changes between two different singature data dumps.

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
This commit is contained in:
Richard Purdie
2010-08-31 14:49:43 +01:00
parent 453d8f49ac
commit 43595fabbe
7 changed files with 59 additions and 5 deletions
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bitbake/lib/bb/runqueue.py
+37 -1
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@@ -178,6 +178,7 @@ class RunQueueData:
self.runq_task = []
self.runq_depends = []
self.runq_revdeps = []
self.runq_hash = []
def runq_depends_names(self, ids):
import re
@@ -477,6 +478,7 @@ class RunQueueData:
self.runq_task.append(taskData.tasks_name[task])
self.runq_depends.append(set(depends))
self.runq_revdeps.append(set())
self.runq_hash.append("")
runq_build.append(0)
runq_recrdepends.append(recrdepends)
@@ -589,6 +591,7 @@ class RunQueueData:
del self.runq_depends[listid-delcount]
del runq_build[listid-delcount]
del self.runq_revdeps[listid-delcount]
del self.runq_hash[listid-delcount]
delcount = delcount + 1
maps.append(-1)
@@ -686,6 +689,20 @@ class RunQueueData:
#bb.note("Found setscene for %s %s" % (self.taskData.fn_index[self.runq_fnid[task]], self.runq_task[task]))
self.runq_setscene.append(task)
# Interate over the task list and call into the siggen code
dealtwith = set()
todeal = set(range(len(self.runq_fnid)))
while len(todeal) > 0:
for task in todeal.copy():
if len(self.runq_depends[task] - dealtwith) == 0:
dealtwith.add(task)
todeal.remove(task)
procdep = []
for dep in self.runq_depends[task]:
procdep.append(self.taskData.fn_index[self.runq_fnid[dep]] + "." + self.runq_task[dep])
self.runq_hash[task] = bb.parse.siggen.get_taskhash(self.taskData.fn_index[self.runq_fnid[task]], self.runq_task[task], procdep, self.dataCache)
return len(self.runq_fnid)
def dump_data(self, taskQueue):
@@ -885,7 +902,10 @@ class RunQueue:
self.state = runQueueSceneInit
if self.state is runQueueSceneInit:
self.rqexe = RunQueueExecuteScenequeue(self)
if self.cooker.configuration.dump_signatures:
self.dump_signatures()
else:
self.rqexe = RunQueueExecuteScenequeue(self)
if self.state is runQueueSceneRun:
self.rqexe.execute()
@@ -926,6 +946,20 @@ class RunQueue:
else:
self.rqexe.finish()
def dump_signatures(self):
self.state = runQueueComplete
done = set()
bb.note("Reparsing files to collect dependency data")
for task in range(len(self.rqdata.runq_fnid)):
if self.rqdata.runq_fnid[task] not in done:
fn = self.rqdata.taskData.fn_index[self.rqdata.runq_fnid[task]]
the_data = self.cooker.bb_cache.loadDataFull(fn, self.cooker.get_file_appends(fn), self.cooker.configuration.data)
done.add(self.rqdata.runq_fnid[task])
bb.parse.siggen.dump_sigs(self.rqdata.dataCache)
return
class RunQueueExecute:
@@ -1007,6 +1041,8 @@ class RunQueueExecute:
comps = var.split("=")
env[comps[0]] = comps[1]
env['BB_TASKHASH'] = self.rqdata.runq_hash[task]
sys.stdout.flush()
sys.stderr.flush()