X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Fdoc%2Fdeveloper%2Fltt-experimental-rewrite.html;h=700c02c5f547e7643f66da2146886a2573ea0059;hb=fc5993d2d131ee15e37fef67c07c5d02c2ea53fa;hp=56ec2173f4f0d12a57726b555819757044a6597d;hpb=b553b3fc6bf754cd47f62bd5d380591307eb2921;p=lttv.git diff --git a/ltt/branches/poly/doc/developer/ltt-experimental-rewrite.html b/ltt/branches/poly/doc/developer/ltt-experimental-rewrite.html index 56ec2173..700c02c5 100644 --- a/ltt/branches/poly/doc/developer/ltt-experimental-rewrite.html +++ b/ltt/branches/poly/doc/developer/ltt-experimental-rewrite.html @@ -1,17 +1,39 @@ -Progress in LTTV :
+
LTTV & LTTng roadmap
+Here are roadmaps for the LTTV and LTTng development. I use a priority indice +for the TODO items :
+1 : very high priority
+10: lowest priority
+
+
+LTTV Roadmap
+
+* TODO
+migrate align to lttv parser.
+create a event rate graphical view : Will be useful in conjonction with the + filter.
+create an analysis of function time (like a precise gprof)
+ -> with gcc -f inline-functions
+
+
* Done
Buffer aligned on page boundary -> use valloc.
-per struct (struct align=x\) support added to genevent (partial).
+per struct (struct align=x) support added to genevent (partial).
Add offset align generation for structs to genevent.
-
-*TODO
+make lttv aware of the per facility long, void* and size_t types.
Read current trace header and buffer header.
-migrate align to lttv parser.

+LTT Next Generation Roadmap
+
+* TODO
+make LTT tracing code completely atomic (thus remove locks)
+add efficient and secure user space tracing. (1 month)
+integrate LTTng State Dump : missing irq and process state.
+add genevent full functionnality : alignment, array, sequences, nested +structures.
+add gcc -finstrument-functions instrumentation

-Here the status of the work in progress for LTT experimental

* Done
remove ltt-headers.h
@@ -39,10 +61,8 @@ fix structures alignment, array and sequences too. -> trace dynamic.
add per facility alignment (inside structures).
add control of alignment.
add control for subbuffer size and number of subbuffers.
-
-
-* TODO
-add user space tracing.
+Add reserve - get TSC - alignment atomicity through the use of cmpxchg.
+Add configurable alignment (LTT_ALIGNMENT).



@@ -65,16 +85,13 @@ Remove the callback struct from the trace struct.



-* Next experimental release patch division :
+* lttng patch division (0.4.2+) :

ltt-instrumentation.diff
- - ltt-configmenu.diff (put in ltt-core.diff)
ltt-facilities-headers.diff
ltt-facilities-loader.diff
ltt-facilities.diff
-ltt-instrumentation.diff
ltt-relayfs.diff
-ltt-time.diff
ltt-core.diff