Jan Blunck [Mon, 26 Oct 2009 13:59:35 +0000 (14:59 +0100)]
Fix include path when compiling libust-initializer.c
Otherwise it does not find the headers if they are not installed already.
Signed-off-by: Jan Blunck <jblunck@suse.de>
Jan Blunck [Thu, 5 Nov 2009 17:13:18 +0000 (18:13 +0100)]
Add linker script and libust initializer object
This adds a libust initializer object which gets linked automagically if
you link against libust.so, which is a linker skript from now on. The
object file just ensures that the libust is initialized properly without
forcing the user of the library to care about calling MARKER_LIB and
TRACEPOINT_LIB explicitly.
Signed-off-by: Jan Blunck <jblunck@suse.de>
Pierre-Marc Fournier [Wed, 11 Nov 2009 21:47:06 +0000 (16:47 -0500)]
revert installation of tracer.h, but keep ust.h
Pierre-Marc Fournier [Wed, 4 Nov 2009 04:26:18 +0000 (23:26 -0500)]
save registers: fix small problems
- Don't put C code at the beginning of save save_registers macro, as
it will change the registers in unpredictable ways. Therefore, test
whether ust_reg_stack_ptr has been initialized in assembly code.
- Save rflags at the begginning of the stub because using the test
instruction may change its content.
Pierre-Marc Fournier [Wed, 4 Nov 2009 03:02:25 +0000 (22:02 -0500)]
update .gitignore
Pierre-Marc Fournier [Wed, 4 Nov 2009 03:01:33 +0000 (22:01 -0500)]
install tracer.h, add new ust/ust.h
Pierre-Marc Fournier [Tue, 3 Nov 2009 23:46:43 +0000 (18:46 -0500)]
save registers: update
Pierre-Marc Fournier [Mon, 2 Nov 2009 21:16:53 +0000 (16:16 -0500)]
processor.h: save rflags
Pierre-Marc Fournier [Thu, 29 Oct 2009 04:59:55 +0000 (00:59 -0400)]
add serialize_to_text() function
For gdb static tracepoints.
Pierre-Marc Fournier [Wed, 28 Oct 2009 04:19:38 +0000 (00:19 -0400)]
usttrace: add comments to describe start sequence of ustd
Pierre-Marc Fournier [Wed, 28 Oct 2009 04:17:56 +0000 (00:17 -0400)]
usttrace: reorganise error messages for ustd not found
Pierre-Marc Fournier [Wed, 28 Oct 2009 04:12:09 +0000 (00:12 -0400)]
ustd: fix opening mode of pidfile to support writing to fifos
The fifo is opened in write-only in order to block until someone
opens it.
Pierre-Marc Fournier [Wed, 28 Oct 2009 03:31:53 +0000 (23:31 -0400)]
usttrace: oops: $(USTDPID) -> $USTDPID
Jan Blunck [Tue, 27 Oct 2009 12:25:17 +0000 (13:25 +0100)]
Make usttrace work when it isn't installed
usttrace needs to detect when to use the installed libraries and when it
is invoked in the repository itself. Otherwise usttrace does not work
when it is installed in /usr/bin.
Signed-off-by: Jan Blunck <jblunck@suse.de>
Pierre-Marc Fournier [Tue, 27 Oct 2009 23:52:50 +0000 (19:52 -0400)]
fix build and out of tree build
Pierre-Marc Fournier [Tue, 27 Oct 2009 23:18:36 +0000 (19:18 -0400)]
move processor.h to include/ust dir
Pierre-Marc Fournier [Tue, 27 Oct 2009 23:14:55 +0000 (19:14 -0400)]
java: fixes
Pierre-Marc Fournier [Tue, 27 Oct 2009 22:58:15 +0000 (18:58 -0400)]
Merge branch 'for-pierre-marc' of git://git.infradead.org/users/jblunck/ust
Fixed conflicts:
include/ust/marker.h
Pierre-Marc Fournier [Tue, 27 Oct 2009 22:33:15 +0000 (18:33 -0400)]
always initialize statically the .location field of struct marker to NULL
Constructors later write the real location value.
Pierre-Marc Fournier [Tue, 27 Oct 2009 22:32:52 +0000 (18:32 -0400)]
rename registers.h -> processor.h
Pierre-Marc Fournier [Tue, 27 Oct 2009 21:36:58 +0000 (17:36 -0400)]
trace_mark: pass register values to probe
This should be more efficient, disableable or done inside the probe. For GDB static tracepoints.
Pierre-Marc Fournier [Tue, 27 Oct 2009 21:33:04 +0000 (17:33 -0400)]
markers: save marker location in struct marker
This is for gdb static tracepoints.
Pierre-Marc Fournier [Tue, 27 Oct 2009 21:22:04 +0000 (17:22 -0400)]
registers.h: update
Pierre-Marc Fournier [Mon, 26 Oct 2009 21:13:21 +0000 (17:13 -0400)]
registers.h: improve registers saving
Pierre-Marc Fournier [Mon, 26 Oct 2009 20:58:56 +0000 (16:58 -0400)]
add registers.h
Pierre-Marc Fournier [Mon, 26 Oct 2009 14:07:11 +0000 (10:07 -0400)]
usttrace: deal correctly with ustd creation and termination
Pierre-Marc Fournier [Mon, 26 Oct 2009 13:52:14 +0000 (09:52 -0400)]
markers: add comment
Jan Blunck [Sun, 25 Oct 2009 13:57:47 +0000 (14:57 +0100)]
Move kernelcompat.h to include/ust/ and share.h, usterr.h to include/
kernelcompat.h is included by marker.h and tracepoint.h therefore it should
be in include/ust/ as well. Move shared headers to include/ as well.
Signed-off-by: Jan Blunck <jblunck@suse.de>
Jan Blunck [Sun, 25 Oct 2009 12:57:45 +0000 (13:57 +0100)]
Move immediate.h, marker.h and tracepoint.h to include/ust/
Move the primary header files to a common location and install them with
ust/ prefix in /usr/include.
Signed-off-by: Jan Blunck <jblunck@suse.de>
Jan Blunck [Fri, 23 Oct 2009 18:58:48 +0000 (20:58 +0200)]
Remove localerr.h
localerr.h is only including usterr.h so remove it and replace it.
Signed-off-by: Jan Blunck <jblunck@suse.de>
Jan Blunck [Fri, 23 Oct 2009 18:35:36 +0000 (20:35 +0200)]
Add some missing headers and files for make dist
This commit adds missing headers and other files to let make dist and install
work as necessry for packaging of ust.
Signed-off-by: Jan Blunck <jblunck@suse.de>
Jan Blunck [Fri, 23 Oct 2009 16:17:03 +0000 (18:17 +0200)]
Temporary remove Java support
SInce UST.c and UST.h are missing in the java/ directory remove the Java
support for the moment.
Signed-off-by: Jan Blunck <jblunck@suse.de>
Jan Blunck [Sun, 18 Oct 2009 20:39:24 +0000 (22:39 +0200)]
Fix waiting for ustd on shutdown
When starting the daemon use a fifo instead of a pidfile. Otherwise the start
races against the reading of the pidfile. During shutdown we should wait for
all the existing background shells (there is only one) instead of waiting
for the pid of the daemon process.
Signed-off-by: Jan Blunck <jblunck@suse.de>
Pierre-Marc Fournier [Tue, 20 Oct 2009 18:06:21 +0000 (14:06 -0400)]
README: update installation instructions
Pierre-Marc Fournier [Thu, 15 Oct 2009 22:50:51 +0000 (18:50 -0400)]
fix porting bug
Pierre-Marc Fournier [Tue, 13 Oct 2009 23:16:33 +0000 (19:16 -0400)]
usttrace: use ustd in daemon mode, sparing a sleep and removing a race
The race was that usttrace waited for 0.5s for the daemon (started in
background) to settle before starting the command to trace. If the
daemon needed more than 0.5s to settle, the connection would fail.
Now, it is guaranteed to succeed.
Pierre-Marc Fournier [Tue, 13 Oct 2009 23:15:58 +0000 (19:15 -0400)]
usttrace: enhance
Pierre-Marc Fournier [Tue, 13 Oct 2009 23:12:45 +0000 (19:12 -0400)]
tests/fork: updates
Pierre-Marc Fournier [Tue, 13 Oct 2009 23:09:27 +0000 (19:09 -0400)]
ustd: add support for --pidfile
Pierre-Marc Fournier [Tue, 13 Oct 2009 21:55:01 +0000 (17:55 -0400)]
ustd: add daemon mode
Pierre-Marc Fournier [Tue, 13 Oct 2009 21:47:24 +0000 (17:47 -0400)]
immediately create listener thread on process creation
It is complex to create a thread properly inside a signal handler.
Leave this aside for now. This optimization can always be added
later.
Pierre-Marc Fournier [Tue, 13 Oct 2009 21:20:07 +0000 (17:20 -0400)]
improve create_listener()
Pierre-Marc Fournier [Tue, 13 Oct 2009 21:18:22 +0000 (17:18 -0400)]
tracectl.c: minor cleanup
Pierre-Marc Fournier [Tue, 13 Oct 2009 21:17:01 +0000 (17:17 -0400)]
remove unneeded noinline's
Pierre-Marc Fournier [Tue, 13 Oct 2009 21:15:06 +0000 (17:15 -0400)]
modify the commit logic to indicate the reason for which an event was dropped
These changes were designed by Mathieu Desnoyers.
Pierre-Marc Fournier [Tue, 13 Oct 2009 21:13:49 +0000 (17:13 -0400)]
set the reader side of the buffer-ready pipe non-blocking (experimental)
Pierre-Marc Fournier [Tue, 13 Oct 2009 21:10:10 +0000 (17:10 -0400)]
ustctl: update UST_COMPONENT
This was forgotten when the tool was renamed.
Pierre-Marc Fournier [Tue, 13 Oct 2009 21:01:07 +0000 (17:01 -0400)]
remove unneeded constructor priority
Pierre-Marc Fournier [Fri, 9 Oct 2009 22:52:35 +0000 (18:52 -0400)]
update build system to find automatically installed kcompat and urcu
Pierre-Marc Fournier [Tue, 6 Oct 2009 17:43:00 +0000 (13:43 -0400)]
update README
Pierre-Marc Fournier [Tue, 6 Oct 2009 00:15:18 +0000 (20:15 -0400)]
usttrace: fix arg error handling
Pierre-Marc Fournier [Mon, 5 Oct 2009 20:16:12 +0000 (16:16 -0400)]
README: add section on libinterfork
Pierre-Marc Fournier [Mon, 5 Oct 2009 20:15:32 +0000 (16:15 -0400)]
rename ust -> ustctl
Pierre-Marc Fournier [Mon, 5 Oct 2009 20:02:29 +0000 (16:02 -0400)]
usttrace: improve
Pierre-Marc Fournier [Mon, 5 Oct 2009 19:55:19 +0000 (15:55 -0400)]
minor refactor of ustd to avoid deadlock
Previously, we could have a deadlock between ustd and libust:
- libust connects to the ustd socket and waits for a reply
- while ustd is sending commands to the same libust to get
information about a buffer
To fix this, info about a buffer to collect is retrieved from within
a different thread than the one that processes incoming commands.
Pierre-Marc Fournier [Mon, 5 Oct 2009 19:54:07 +0000 (15:54 -0400)]
add fork2
Pierre-Marc Fournier [Mon, 5 Oct 2009 19:48:52 +0000 (15:48 -0400)]
libust: never inline functions that may be called from external components
Pierre-Marc Fournier [Mon, 5 Oct 2009 19:40:54 +0000 (15:40 -0400)]
use liburcu-bp
Pierre-Marc Fournier [Thu, 1 Oct 2009 22:24:07 +0000 (18:24 -0400)]
ustd: add fixme
Pierre-Marc Fournier [Thu, 1 Oct 2009 22:23:54 +0000 (18:23 -0400)]
ustd: fix warning
Pierre-Marc Fournier [Tue, 29 Sep 2009 00:01:14 +0000 (20:01 -0400)]
ustd: improve handling of remote app termination
Pierre-Marc Fournier [Mon, 28 Sep 2009 23:52:58 +0000 (19:52 -0400)]
ust.c: remove regex handling because it should be done in libust
Pierre-Marc Fournier [Mon, 28 Sep 2009 23:49:53 +0000 (19:49 -0400)]
usterr: make error reporting functions signal safe
Previously, they could cause corruption / lockings
Pierre-Marc Fournier [Mon, 28 Sep 2009 23:55:27 +0000 (19:55 -0400)]
move patient_write to share.h because it now has multiple users
Pierre-Marc Fournier [Mon, 28 Sep 2009 23:49:02 +0000 (19:49 -0400)]
improve fork handling
Pierre-Marc Fournier [Mon, 28 Sep 2009 23:46:08 +0000 (19:46 -0400)]
make have_listener volatile because it is updated from signals
Pierre-Marc Fournier [Mon, 28 Sep 2009 23:45:47 +0000 (19:45 -0400)]
improve error handling
Pierre-Marc Fournier [Mon, 28 Sep 2009 23:42:34 +0000 (19:42 -0400)]
updates for latest urcu
Pierre-Marc Fournier [Mon, 28 Sep 2009 23:39:48 +0000 (19:39 -0400)]
update manual
Pierre-Marc Fournier [Mon, 28 Sep 2009 20:08:34 +0000 (16:08 -0400)]
fix marker listing output
Pierre-Marc Fournier [Fri, 25 Sep 2009 19:33:32 +0000 (15:33 -0400)]
ustd: stop collecting a process when it died will trying to put its subbuffer
Pierre-Marc Fournier [Fri, 25 Sep 2009 19:28:53 +0000 (15:28 -0400)]
ustd: improve error and memory handling in get_subbuffer() and pub_subbuffer()
Pierre-Marc Fournier [Fri, 25 Sep 2009 19:27:53 +0000 (15:27 -0400)]
libust: cleanup usage of have_listener
Pierre-Marc Fournier [Fri, 25 Sep 2009 19:25:49 +0000 (15:25 -0400)]
ustd: change perror()s with PERROR()s
Pierre-Marc Fournier [Fri, 25 Sep 2009 19:24:33 +0000 (15:24 -0400)]
usterr: improve error reporting primitives
Pierre-Marc Fournier [Fri, 25 Sep 2009 19:23:22 +0000 (15:23 -0400)]
ustcomm: improve error handling, and don't panic for nothing
Pierre-Marc Fournier [Fri, 25 Sep 2009 19:18:16 +0000 (15:18 -0400)]
correctly close bc fds on fork
Pierre-Marc Fournier [Fri, 25 Sep 2009 19:15:18 +0000 (15:15 -0400)]
add ust_potential_exec, to prepare for execs
Pierre-Marc Fournier [Fri, 25 Sep 2009 19:14:52 +0000 (15:14 -0400)]
add pidunique concept
Pierre-Marc Fournier [Fri, 25 Sep 2009 16:04:45 +0000 (12:04 -0400)]
libinterfork: disable signals while forking and running ust_fork()
Pierre-Marc Fournier [Fri, 25 Sep 2009 16:03:06 +0000 (12:03 -0400)]
libinterfork: add and execve override
Pierre-Marc Fournier [Fri, 25 Sep 2009 16:00:55 +0000 (12:00 -0400)]
libinterfork: add usterr support
Pierre-Marc Fournier [Fri, 25 Sep 2009 15:55:48 +0000 (11:55 -0400)]
Add ust java bindings
This first version is less efficient than the native ust. Moreover, all
java events share the same native event name.
Pierre-Marc Fournier [Wed, 16 Sep 2009 15:14:04 +0000 (11:14 -0400)]
remove stray debugging message
Pierre-Marc Fournier [Wed, 16 Sep 2009 04:54:49 +0000 (00:54 -0400)]
libust: improve cleanup on application end
Pierre-Marc Fournier [Wed, 16 Sep 2009 04:54:10 +0000 (00:54 -0400)]
fix warning
Pierre-Marc Fournier [Wed, 16 Sep 2009 04:52:38 +0000 (00:52 -0400)]
ustcomm: move function to destroy app socket to ustcomm
Pierre-Marc Fournier [Wed, 16 Sep 2009 04:47:52 +0000 (00:47 -0400)]
restore gettimeofday()-based time source
Because we don't have appropriate frequency and scale functions
for the tsc time source, it can break lttv by producing timestamps
whose seconds value is too high, to the point it breaks lttv. So
for now, use gettimeofday().
Pierre-Marc Fournier [Wed, 16 Sep 2009 04:46:56 +0000 (00:46 -0400)]
improve error handling macros
Pierre-Marc Fournier [Wed, 16 Sep 2009 04:44:31 +0000 (00:44 -0400)]
libinterfork: fix warnings
Pierre-Marc Fournier [Sun, 13 Sep 2009 15:38:19 +0000 (11:38 -0400)]
add missing tests/basic and tests/fork
Pierre-Marc Fournier [Fri, 11 Sep 2009 19:36:04 +0000 (15:36 -0400)]
usttrace; add multiple command-line options
Pierre-Marc Fournier [Fri, 11 Sep 2009 19:35:21 +0000 (15:35 -0400)]
make forking while tracing work correctly
Pierre-Marc Fournier [Fri, 11 Sep 2009 19:33:29 +0000 (15:33 -0400)]
fix bug when deleting trace
The trace wasn't being deleted from the trace list.
Pierre-Marc Fournier [Thu, 10 Sep 2009 16:51:15 +0000 (12:51 -0400)]
add usttrace licence
Pierre-Marc Fournier [Thu, 10 Sep 2009 16:50:44 +0000 (12:50 -0400)]
update make system
Pierre-Marc Fournier [Wed, 9 Sep 2009 17:32:45 +0000 (13:32 -0400)]
add usttrace script
Pierre-Marc Fournier [Wed, 9 Sep 2009 16:15:42 +0000 (12:15 -0400)]
ustd: add system to elegantly end daemon on SIGTERM, after waiting that all traces are complete
Pierre-Marc Fournier [Wed, 9 Sep 2009 16:12:18 +0000 (12:12 -0400)]
ustd: allow to choose the trace location and add command line option system
Pierre-Marc Fournier [Wed, 9 Sep 2009 15:53:31 +0000 (11:53 -0400)]
ustd: specify ust component name for build
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