On 09/18/2014 12:16 AM, Richard Purdie wrote:
On Wed, 2014-09-17 at 16:08 +0800, Hongxu Jia wrote:
The idea of incremental sig is:

New sig file = Old sig file (if available) + New sig items in current build.

Limit the modification within the dump_lockedsigs, and add two variables
'self.lockedsigs_types' and 'self.lockedsigs_raw' keep old sig file.

How to config for incremental dump:
...
USER_CLASSES += "sstate_lockedsig"
SIGGEN_LOCKEDSIGS_CONFIG = "${TOPDIR}/locked-sigs.inc"
require ${SIGGEN_LOCKEDSIGS_CONFIG}
...

Signed-off-by: Hongxu Jia <[email protected]>
I'm fine with the idea in principle. Why can't we do something like:

diff --git a/meta/lib/oe/sstatesig.py b/meta/lib/oe/sstatesig.py
index af7617e..1da282e 100644
--- a/meta/lib/oe/sstatesig.py
+++ b/meta/lib/oe/sstatesig.py
@@ -158,10 +158,14 @@ class 
SignatureGeneratorOEBasicHash(bb.siggen.SignatureGeneratorBasicHash):
                  sortedk = sorted(types[t], key=lambda k: 
self.lockedpnmap[k.rsplit(".",1)[0]])
                  for k in sortedk:
                      fn = k.rsplit(".",1)[0]
+                    pn = self.lockedpnmap[fn]
                      task = k.rsplit(".",1)[1]
                      if k not in self.taskhash:
                          continue
-                    f.write("    " + self.lockedpnmap[fn] + ":" + task + ":" + 
self.taskhash[k] + " \\\n")
+                    if pn in self.lockedsigs and task in self.lockedsigs[pn] 
and self.hashtask[k] == self.lockedsigs[pn][task]:
+                        continue
+                    sigentry = pn + ":" + task + ":" + self.taskhash[k]
+                    f.write("    " + sigentry + " \\\n")
                  f.write('    "\n')
              f.write('SIGGEN_LOCKEDSIGS_TYPES_%s = "%s"' % (self.machine, " 
".join(types.keys())))
which is substantially simpler though?

Agree, thanks for the improvement, I will send V3 with some trivial fixes.

//Hongxu


Cheers,

Richard



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