<big>LTTV Roadmap<small><br>
<br>
* TODO<br>
+(1) Put back coherent facility checksumming.<br>
(3) Add cluster support.<br>
# <A HREF="mailto:Eric Clement <eric.clement@polymtl.ca>">Eric Clement</A><br>
(3) Make LTTV aware of type formats (visual separators) defined in the XML
file.<br>
+ # <A HREF="mailto:Gabriel Matni <gabrien.matni@polymtl.ca>">Gabriel Matni</A><br>
(3) Use a per architecture enumeration for traps.<br>
+(3) Change the byte pair "facility, event" id for a short combining the
+informatinon.<br>
+(4) Statistics per time window.<br>
+(4) Add Xen per physical CPU view.<br>
+(4) Add Xen per vcpu view.<br>
+(4) Disable plugins when threshold reached (i.e. too much process in control
+flow view). Draw, and, when the threshold is reached, stop drawing. The global
+statistics view can inhibit showing the per process stats.<br>
+(4) Add a visual artifact : PID 0 could be named swapper instead of UNNAMED for
+cpus > 0.<br>
(4) Add event specific fields support to filter.<br>
(4) Add a periodic event interval view. (useful to verify event periodicity)<br>
(4) create a graphical per cpu activity view.<br>
+(4) Filter by target process.<br>
+(4) Compensate for time spent in probes in LTTV analysis.<br>
+(4) Add CPU, network, disk, memory usage histogram. [Per interval statistics]<br>
(5) Add Python scripting hooks.<br>
+(5) Add GUI interface to take an hybrid trace.<br>
(5) Flight recorder : start lttd automatically upon GUI trace control stop.<br>
(5) Automatically detect traces with too much processes and disable faulty operations.<br>
(5) Event sequence detector (inspired from regular expressions).<br>
view into a view of the evolution of a user definable event field.<br>
<br>
* TO FIX<br>
-(10) Event filter : event.time does not work.<br>
(10) Add cancel button to LTTV filter GUI window.<br>
(10) Sometimes, in the control flow view, a process with 0 creation time is
created in addition to the real process itself. Seems to be caused by end of
<big>LTT Next Generation Roadmap<small><br>
<br>
* TODO<br>
-(4) Add Xen support.<br>
- # <A HREF="mailto:Mathieu Desnoyers <compudj@krystal.dyndns.org>">Mathieu Desnoyers</A><br>
- # <A HREF="mailto:Parisa Heidari <parisa.heidari@polymtl.ca>">Parisa Heidari</A><br>
-(4) efficient dynamic event filtering while recording trace.<br>
+(1) put probes in a hash table so we can connect the markers to them upon module
+load.<br>
+(1) efficient dynamic event filtering while recording trace.<br>
+ % Google<br>
% Sensis Corp. <A HREF="mailto:Bish, Tim <Tim.Bish@Sensis.com>">Tim Bish</A><br>
+ # <A HREF="mailto:Mathieu Desnoyers <compudj@krystal.dyndns.org>">Mathieu Desnoyers</A><br>
+(1) Support for compact event trace channel.<br>
+ % Google<br>
+ # <A HREF="mailto:Mathieu Desnoyers <compudj@krystal.dyndns.org>">Mathieu Desnoyers</A><br>
+(1) CPU Hotplug support. (Only ltt-heartbeat needs to be fixed).<br>
+ # <A HREF="mailto:Mathieu Desnoyers <compudj@krystal.dyndns.org>">Mathieu Desnoyers</A><br>
+(1) Add Xen support. (Trace buffer desallocation needs to be fixed)<br>
+ # <A HREF="mailto:Mathieu Desnoyers <compudj@krystal.dyndns.org>">Mathieu Desnoyers</A><br>
+(1) Integrate SystemTAP logging with LTTng.<br>
+(3) Change the byte pair "facility, event" id for a short combining the
+informatinon.<br>
(4) instrument kernel bottom half irqsave, spinlocks, rwlocks, seqlocks, semaphores, mutexes, brlock.<br>
(4) integrate NPTL instrumentation (see
<A HREF="http://nptltracetool.sourceforge.net/">PTT</A>).<br>
+(4) Probe calibration kernel module.<br>
+(4) Make page faults detect nested fault without nesting 4 times in the page
+fault handler.<br>
(5) Support CPUs with scalable frequency.<br>
+(5) Add boot time tracing support.<br>
(5) Integrate LTTng and lttd with LKCD.<br>
(7) Integrate periodical dump of perfctr hardware counters.<br>
(8) Integrate periodical dump of SystemTAP computed information.<br>
-(8) Integrate SystemTAP logging with LTTng.<br>
+(9) Rethink facility logging code (genevent output). Maybe unneeded because of
+markers/probes mechanism.<br>
(9) Add support for setjmp/longjmp and jump tables instrumentation to
ltt-instrument-functions.<br>
(9) Make ltt-usertrace-fast support internal heartbeat timer.<br>
(3) port LTTng to :<br>
-x86_64<BR>
-#Autodesk <A HREF="mailto:Francois L'Archeveque <fla@discreet.com>">Francois
-L'Archeveque</A> for 2.6.9 RedHat Enterprise (patch available in contrib, still
-has to be ported to 2.6.14, thanks!)<BR>
-# Wind River for 2.6.14<BR>
-PPC<BR>
-PPC64<BR>
-# Wind River for 2.6.14<BR>
alpha<BR>
user-mode Linux<BR>
Xen<BR>
# IBM<BR>
-MIPS<BR>
-MIPS64<BR>
-% Wind River for 2.6.14<BR>
-# Tim Bird <A HREF="mailto:tim.bird@as.sony.com">Tim Bird</A><br>
S/390<BR>
RTLinux<BR>
% Wind River for 2.6.14<BR>
+sparc64<BR>
+# Wind River<BR>
+sh4<br>
<br>
<br>
<br>
* TODO (low priority)<br>
enhance RPM packages for lttng kernel<br>
Integrate header generation (genevent) in kernel build system.<br>
-Find a different way to printk from instrumentation : forbidden from schedule
-and wakeup (causes a deadlock). -> Modify printk so it uses LTTng tracer!<br>
Export channels via network sockets instead of writing them to disk.<br>
Export buffers with time constraint for "live" visualisation. Use
ltt_force_switch periodically from a timer to insure slow channels do not
Change the name of XML files from XML to something else.<br>
Remove ltt-base.c.<br>
<br>
-<br>
-* lttng patch division (0.5.10+) :<br>
-<br>
-instrumentation.diff<br>
-instrumentation-arm.diff<br>
-instrumentation-i386.diff<br>
-instrumentation-mips.diff<br>
-instrumentation-powerpc.diff<br>
-instrumentation-ppc.diff<br>
-instrumentation-s390.diff<br>
-instrumentation-sh.diff<br>
-ltt-facilities-headers.diff<br>
-ltt-facilities-loader.diff<br>
-ltt-facilities.diff<br>
-ltt-relayfs.diff<br>
-ltt-core.diff<br>
-ltt-build.diff<br>
-<br>
-<br>
Mathieu Desnoyers<br>
projects / lttv.git / blobdiff