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systemtap.git
14 years agoMake tapset and tests compatible with old kernel
Wenji Huang [Wed, 2 Dec 2009 09:45:20 +0000 (17:45 +0800)]
Make tapset and tests compatible with old kernel

* tapset/ioscheduler.stp : Make probe optional.
* tapset/irq.stp : Ditto.
* tapset/scheduler.stp : Ditto.
* tapset/tcpmib.stp : Ditto.
* tapset/linuxmib.stp : Switch variable by version.
* tapset/tty.stp : Ditto.
* testsuite/buildok/irq.stp : Make probe test optional.
* testsuite/buildok/tty.stp : Ditto.
* testsuite/systemtap.examples/network/netdev.stp : Ditto.
* testsuite/buildok/tcpmib-all-probes.stp : Add embedded functions.

14 years agominor correction
Don Domingo [Wed, 2 Dec 2009 03:47:15 +0000 (13:47 +1000)]
minor correction

14 years agocorrecting license, forgot to change back yesterday while testing default Publican...
Don Domingo [Wed, 2 Dec 2009 00:48:48 +0000 (10:48 +1000)]
correcting license, forgot to change back yesterday while testing default Publican 1 license

14 years agoRegenerate autotools files using autoreconf to pick up latest Makefile.am changes.
Dave Brolley [Tue, 1 Dec 2009 21:43:53 +0000 (16:43 -0500)]
Regenerate autotools files using autoreconf to pick up latest Makefile.am changes.

14 years agoMerge branch 'master' of ssh://sources.redhat.com/git/systemtap
Dave Brolley [Tue, 1 Dec 2009 20:14:02 +0000 (15:14 -0500)]
Merge branch 'master' of ssh://sources.redhat.com/git/systemtap

14 years agoMake sure system types are defined.
Dave Brolley [Tue, 1 Dec 2009 20:10:06 +0000 (15:10 -0500)]
Make sure system types are defined.

14 years agouprobes ppc64: UPROBES_DEBUG build fix
Frank Ch. Eigler [Mon, 30 Nov 2009 21:29:29 +0000 (16:29 -0500)]
uprobes ppc64: UPROBES_DEBUG build fix

* runtime/uprobes/uprobes_ppc.c (calc_offset): Fix printk types.

14 years agoUse proper types for do_div
Anton Vorontsov [Fri, 27 Nov 2009 22:33:47 +0000 (01:33 +0300)]
Use proper types for do_div

do_div accepts unsigned 64-bit integer type for dividend, signed types
would cause do_div's typecheck fail:

stat-common.c: In function 'needed_space':
stat-common.c:50: error: comparison of distinct pointer types lacks a cast
...same errors in time.c and tapset-timers.cxx's generated code...

A fix for time.c is special, on ppc32 cycles_t is 32-bit, so technically
we don't need do_div, but since the whole _stp_gettimeofday_ns() operates
on 64-bit types we'd better be safe and use uint64_t for the math.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
14 years agoChange KERNEL_RELOC_SYMBOL to "_stext" on ppc32
Anton Vorontsov [Fri, 27 Nov 2009 22:33:51 +0000 (01:33 +0300)]
Change KERNEL_RELOC_SYMBOL to "_stext" on ppc32

Currently staprun fails at send_relocation_kernel(), this is because
ppc32 doesn't have ".__start" symbol. I think we should use _stext,
just as other arches.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
14 years agoImplement _div64 and _mod64 for ppc32
Anton Vorontsov [Fri, 27 Nov 2009 22:33:49 +0000 (01:33 +0300)]
Implement _div64 and _mod64 for ppc32

_div64 and _mod64 arch-specific details were taken from gcc/longlong.h,
just as it was done for i386.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
14 years agoShare ppc64 and ppc32 code where possible
Anton Vorontsov [Fri, 27 Nov 2009 22:33:45 +0000 (01:33 +0300)]
Share ppc64 and ppc32 code where possible

* runtime/copy.c: Can use ppc64's code.
* runtime/regs.h: Ditto.
* runtime/string.h: Ditto.
* tapset/context.stp: Ditto.
* tapset/errno.stp: Ditto.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
14 years agoImplement ppc32 variant of __is_user_regs
Anton Vorontsov [Fri, 27 Nov 2009 22:33:44 +0000 (01:33 +0300)]
Implement ppc32 variant of __is_user_regs

* tapset/nd_syscalls.stp: Implement ppc32 variant of __is_user_regs.
* tapset/syscalls.stp: Ditto.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
14 years agostack-ppc: Adjust for ppc32
Anton Vorontsov [Fri, 27 Nov 2009 22:33:42 +0000 (01:33 +0300)]
stack-ppc: Adjust for ppc32

Get rid of magic numbers, use appropriate defines from ptrace.h.

From now on stack-ppc.c should be suitable for ppc32.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
14 years agoRename stack-ppc64.c to stack-ppc.c
Anton Vorontsov [Fri, 27 Nov 2009 22:33:39 +0000 (01:33 +0300)]
Rename stack-ppc64.c to stack-ppc.c

There should be no functional changes in this patch.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
14 years agoRename uprobes_ppc64.c to uprobes_ppc.c, use it for ppc32
Anton Vorontsov [Fri, 27 Nov 2009 22:33:36 +0000 (01:33 +0300)]
Rename uprobes_ppc64.c to uprobes_ppc.c, use it for ppc32

The code *looks* generic enough, so I think it can be used for ppc32
without modifications.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
14 years agoConvert string.stp documentation to standard markup.
Mark Wielaard [Tue, 1 Dec 2009 13:29:51 +0000 (14:29 +0100)]
Convert string.stp documentation to standard markup.

* doc/SystemTap_Tapset_Reference/tapsets.tmpl: Add string.stp chapter.
* tapset/string.stp: Convert documentation to standard markup and add
  documentation that was missing.

14 years agosome aesthetic tweaks to the grapher
Tim Moore [Tue, 1 Dec 2009 11:54:25 +0000 (12:54 +0100)]
some aesthetic tweaks to the grapher

* grapher/Graph.cxx (draw): Draw tick labels (times) below the graph.
* grapher/grapher.cxx (main): Open main window with a size big enough
  to display an entire graph.

14 years agoAdd hover text to the graph.
Tim Moore [Tue, 1 Dec 2009 11:26:59 +0000 (12:26 +0100)]
Add hover text to the graph.

When the graph display is paused, leaving the mouse stationary over
the graph will display the data point under the pointer.

* grapher/CairoWidget.hxx (CairoTextBox): new class
  (CairoWidget, CairoPlayButton): refector some play button-specific
  things from CairoWidget to CairoPlayButton.
* grapher/CairoWidget.cxx (CairoTextBox::draw): new function.
* grapher/GraphWidget.hxx (GraphWidget): new members for supporting
  hover text.
* grapher/GraphWidget.cxx (on_motion_notify_event): Set up hover text box.
  (establishHoverTimeout, onHoverTimeout, getGraphUnderPoint): new functions.

14 years agochange time type from double to int64_t
Tim Moore [Tue, 1 Dec 2009 11:02:24 +0000 (12:02 +0100)]
change time type from double to int64_t

* grapher/Graph.hxx (Graph): Change variables holding the time limits
  of the displayed graph from double to int64_t.
* grapher/Graph.cxx (Graph::draw): Do calculations of time differences
  using int64_t.
  (Graph::getExtents, Graph::setExtents): Change left and right
  arguments to int64_t.
* grapher/GraphData.hxx (GraphDataBase): Change time type to int64_t.
  (GraphDataBase::elementAsString): New function.
  (GraphData::elementAsString): Implementation of that function.
* grapher/StapParser.cxx (parseData): Parse time values from the stap
  script as 64 bit values.

14 years agoFix typo in scheduler tapset
Wenji Huang [Tue, 1 Dec 2009 07:44:38 +0000 (15:44 +0800)]
Fix typo in scheduler tapset

* tapset/scheduler.stp (__scheduler.kthread_stop.kp): Change
  priority to prio.

14 years agominor modifications to allow book to build in latest Publican (1.x). to build in...
Don Domingo [Tue, 1 Dec 2009 01:02:29 +0000 (11:02 +1000)]
minor modifications to allow book to build in latest Publican (1.x). to build in older versions of Publican, use old-syncandbuild.sh

14 years agominor modifications to allow book to build in latest Publican (1.x). to build in...
Don Domingo [Tue, 1 Dec 2009 01:02:19 +0000 (11:02 +1000)]
minor modifications to allow book to build in latest Publican (1.x). to build in older versions of Publican, use old-syncandbuild.sh

14 years agominor modifications to allow book to build in latest Publican (1.x). to build in...
Don Domingo [Tue, 1 Dec 2009 01:02:00 +0000 (11:02 +1000)]
minor modifications to allow book to build in latest Publican (1.x). to build in older versions of Publican, use old-syncandbuild.sh

14 years agominor modifications to allow book to build in latest Publican (1.x). to build in...
Don Domingo [Tue, 1 Dec 2009 01:01:47 +0000 (11:01 +1000)]
minor modifications to allow book to build in latest Publican (1.x). to build in older versions of Publican, use old-syncandbuild.sh

14 years agominor modifications to allow book to build in latest Publican (1.x). to build in...
Don Domingo [Tue, 1 Dec 2009 01:00:38 +0000 (11:00 +1000)]
minor modifications to allow book to build in latest Publican (1.x). to build in older versions of Publican, use old-syncandbuild.sh

14 years agoPR10653: don't corrupt signal structs in itrace on rawhide utrace
Roland McGrath [Mon, 30 Nov 2009 20:27:21 +0000 (15:27 -0500)]
PR10653: don't corrupt signal structs in itrace on rawhide utrace

* runtime/itrace.c (usr_itrace_report_signal): On modern utrace,
  must check/propagate utrace_signal_action().

14 years agoDon't let _stp_alloc_percpu allocate too much memory.
David Smith [Mon, 30 Nov 2009 19:24:14 +0000 (13:24 -0600)]
Don't let _stp_alloc_percpu allocate too much memory.
* runtime/alloc.c (_stp_alloc_percpu): Refuses to allocate too much percpu
  memory.

14 years agoPR10901: Add -D_FILE_OFFSET_BITS=64 to Makefile.am for stap and staprun
Charley Wang [Mon, 30 Nov 2009 18:31:10 +0000 (13:31 -0500)]
PR10901: Add -D_FILE_OFFSET_BITS=64 to Makefile.am for stap and staprun

14 years agoFix build error when !HAVE_NSS
Wenji Huang [Mon, 30 Nov 2009 03:04:44 +0000 (11:04 +0800)]
Fix build error when !HAVE_NSS

* runtime/staprun/staprun_funcs.c (assert_stap_module_permissions): Mark
  parameters unused.

14 years agodocs: abbreviated stap-server news blurbs
Frank Ch. Eigler [Sat, 28 Nov 2009 19:46:44 +0000 (14:46 -0500)]
docs: abbreviated stap-server news blurbs

14 years agoUpdate NEWS and initscript/README.stap-server with details of changes
Dave Brolley [Fri, 27 Nov 2009 21:58:21 +0000 (16:58 -0500)]
Update NEWS and initscript/README.stap-server with details of changes
due to recent commits.

14 years agoMerge branch 'master' of ssh://sources.redhat.com/git/systemtap
Dave Brolley [Fri, 27 Nov 2009 19:15:58 +0000 (14:15 -0500)]
Merge branch 'master' of ssh://sources.redhat.com/git/systemtap

14 years agoPR 10984 Additional Work. TOCTOU race checking access permissions before canonicalizi...
Dave Brolley [Fri, 27 Nov 2009 19:13:15 +0000 (14:13 -0500)]
PR 10984 Additional Work. TOCTOU race checking access permissions before canonicalizing /lib/modules/KVER/systemtap.

14 years agoFix compilation warning of passing NULL to int parameter
Wenji Huang [Thu, 26 Nov 2009 02:03:58 +0000 (10:03 +0800)]
Fix compilation warning of passing NULL to int parameter

* util.cxx (in_group_id): Replace NULL with 0.

14 years agoFix compilation error, use getgroups without fixed limits.
Roland McGrath [Wed, 25 Nov 2009 22:42:10 +0000 (14:42 -0800)]
Fix compilation error, use getgroups without fixed limits.

* util.cxx (in_group_id): Don't use NGROUPS_MAX.

14 years agoMerge branch 'master' of ssh://sources.redhat.com/git/systemtap
Dave Brolley [Wed, 25 Nov 2009 19:58:50 +0000 (14:58 -0500)]
Merge branch 'master' of ssh://sources.redhat.com/git/systemtap

14 years agoImprove error messages related to module signing.
Dave Brolley [Wed, 25 Nov 2009 19:58:25 +0000 (14:58 -0500)]
Improve error messages related to module signing.

14 years ago- Allow root, the owner of the uprobes build directory and the members of the
Dave Brolley [Wed, 25 Nov 2009 19:14:03 +0000 (14:14 -0500)]
- Allow root, the owner of the uprobes build directory and the members of the
group owner of the uprobes buld directory to build uprobes.ko.

- When building uprobes.ko, make all generated files writable by the group
owner of the uprobes build directory.

- Don't change the group owner of the uprobes build directory during
'make install'

14 years agoinclude modverify.h unconditionally.
Dave Brolley [Tue, 24 Nov 2009 21:30:23 +0000 (16:30 -0500)]
include modverify.h unconditionally.

14 years agoFix uninitialized fields in loc2c.
Roland McGrath [Tue, 24 Nov 2009 21:22:27 +0000 (13:22 -0800)]
Fix uninitialized fields in loc2c.

* loc2c.c (alloc_location, location_from_address, c_translate_constant):
Initialize ops and nops fields.

14 years agoAdd assert for detecting shared library reloading, PR11015.
Mark Wielaard [Tue, 24 Nov 2009 20:29:57 +0000 (21:29 +0100)]
Add assert for detecting shared library reloading, PR11015.

* runtime/sym.c (_stp_tf_mmap_cb): Only look for first load of whole module
  that is executable. Add check for detecting reloading of module.

14 years agoMerge branch 'master' of ssh://sources.redhat.com/git/systemtap
Dave Brolley [Tue, 24 Nov 2009 20:04:01 +0000 (15:04 -0500)]
Merge branch 'master' of ssh://sources.redhat.com/git/systemtap

14 years agoMerge branch 'master' of ssh://sources.redhat.com/git/systemtap
Dave Brolley [Tue, 24 Nov 2009 19:51:46 +0000 (14:51 -0500)]
Merge branch 'master' of ssh://sources.redhat.com/git/systemtap

14 years agoPR 10976, 10984. Loading of signed modules (script module and uprobes) limited to...
Dave Brolley [Tue, 24 Nov 2009 19:50:28 +0000 (14:50 -0500)]
PR 10976, 10984. Loading of signed modules (script module and uprobes) limited to members of stapusr.

14 years agoMerge branch 'master' of ssh://sources.redhat.com/git/systemtap
Dave Brolley [Tue, 24 Nov 2009 00:08:51 +0000 (19:08 -0500)]
Merge branch 'master' of ssh://sources.redhat.com/git/systemtap

Conflicts:

configure

14 years agoEnsure uprobes/Makefile never returns failure due to setting permissions.
Dave Brolley [Mon, 23 Nov 2009 22:39:16 +0000 (17:39 -0500)]
Ensure uprobes/Makefile never returns failure due to setting permissions.
Ensure uprobes install directory has group 'stap-server'.
Rename igid_in to in_group.

14 years agoUpdated.
David Smith [Mon, 23 Nov 2009 20:15:20 +0000 (14:15 -0600)]
Updated.

14 years agoFixed tapset reference manual generation.
David Smith [Mon, 23 Nov 2009 20:13:38 +0000 (14:13 -0600)]
Fixed tapset reference manual generation.
* doc/SystemTap_Tapset_Reference/Makefile.am: Check for file existence
  before doing compare.
* doc/SystemTap_Tapset_Reference/Makefile.in: Regenerated.
* tapset/ioblock.stp: Fixed comment so that docs can be built.

14 years agoRework setting of group and permissions on generated files and directories.
Dave Brolley [Mon, 23 Nov 2009 19:39:11 +0000 (14:39 -0500)]
Rework setting of group and permissions on generated files and directories.

14 years agoCorrect tapset/ioscheduler.stp so documentation builds.
William Cohen [Mon, 23 Nov 2009 18:30:46 +0000 (13:30 -0500)]
Correct tapset/ioscheduler.stp so documentation builds.

14 years agoMake built files and directories writeable by the stap-server group individually.
Dave Brolley [Mon, 23 Nov 2009 16:28:32 +0000 (11:28 -0500)]
Make built files and directories writeable by the stap-server group individually.

14 years agoTweak cu-decl test
Wenji Huang [Mon, 23 Nov 2009 08:38:04 +0000 (16:38 +0800)]
Tweak cu-decl test

* testsuite/systemtap.base/cu-decl.exp: Check utrace.
* testsuite/lib/stap_compile.exp: Make catch after wait.

14 years agoCorrect block IO and IO scheduler tapset and test case
Wenji Huang [Mon, 23 Nov 2009 06:03:33 +0000 (14:03 +0800)]
Correct block IO and IO scheduler tapset and test case

* tapset/ioblock.stp: Update comment and variables.
* testsuite/buildok/ioblock_test.stp: Add parameters.
* testsuite/buildok/ioscheduler.stp: Remove redundant parameters.

14 years agoAdded tracepoint-based probes to block IO and IO scheduler tapsets.
Prerna Saxena [Sun, 22 Nov 2009 18:10:39 +0000 (23:40 +0530)]
Added tracepoint-based probes to block IO and IO scheduler tapsets.
Added testcases for these probes.
Also, modified comments in ioblock.stp so that tapset docmentation can be automatically generated for this tapset.

14 years agoOnly attempt to change the group permissions of built items if we are root.
Dave Brolley [Fri, 20 Nov 2009 22:23:29 +0000 (17:23 -0500)]
Only attempt to change the group permissions of built items if we are root.

14 years agoAllow members of the group stap-server to build the uprobes module.
Dave Brolley [Fri, 20 Nov 2009 22:10:06 +0000 (17:10 -0500)]
Allow members of the group stap-server to build the uprobes module.

14 years agoEnsure that server status files are written by the initscript, not stap-start-server.
Dave Brolley [Fri, 20 Nov 2009 20:10:51 +0000 (15:10 -0500)]
Ensure that server status files are written by the initscript, not stap-start-server.

14 years agoReport correct status when a server fails to start.
Dave Brolley [Fri, 20 Nov 2009 19:53:56 +0000 (14:53 -0500)]
Report correct status when a server fails to start.

14 years agoFix typo on command to create /usr/share/systemtap/runtime/uprobes.
Dave Brolley [Fri, 20 Nov 2009 19:38:18 +0000 (14:38 -0500)]
Fix typo on command to create /usr/share/systemtap/runtime/uprobes.

14 years agoPR 10905 - Ensure that /usr/share/systemtap/runtime/uprobes is writeable by the
Dave Brolley [Fri, 20 Nov 2009 19:19:30 +0000 (14:19 -0500)]
PR 10905 - Ensure that /usr/share/systemtap/runtime/uprobes is writeable by the
stap-server group.

14 years agocleanup: explain -5 magic value used in map-sorting code
Frank Ch. Eigler [Fri, 20 Nov 2009 18:02:38 +0000 (13:02 -0500)]
cleanup: explain -5 magic value used in map-sorting code

14 years agobuild: disable make-silent mode in rpm builds
Frank Ch. Eigler [Fri, 20 Nov 2009 16:55:28 +0000 (11:55 -0500)]
build: disable make-silent mode in rpm builds

14 years agoPR10983: Give preference to tracepoints in trace/events/
Josh Stone [Wed, 18 Nov 2009 21:32:22 +0000 (13:32 -0800)]
PR10983: Give preference to tracepoints in trace/events/

In 2.6.32-rc7, there are two power.h tracepoints headers, and only the
one in trace/events/ is valid.  In general, we can expect that
trace/events/ has newer headers, so we should search those first.

* tapsets.cxx (tracepoint_builder::init_dw): Search /events/ first.

14 years agoPR 10981. Fixed buildok/netdev.stp for RHEL5.
David Smith [Wed, 18 Nov 2009 18:53:50 +0000 (12:53 -0600)]
PR 10981.  Fixed buildok/netdev.stp for RHEL5.
* tapset/networking.stp: Made 'netdev.change_rx_flag' and
  'netdev.get_stats' optional, since those functions don't exist on
  RHEL5.
* testsuite/buildok/netdev.stp: Ditto.

14 years agoDon't kfail buildok/sched_test.stp and buildok/process_test.stp.
David Smith [Wed, 18 Nov 2009 17:16:15 +0000 (11:16 -0600)]
Don't kfail buildok/sched_test.stp and buildok/process_test.stp.
* testsuite/systemtap.pass1-4/buildok.exp: On rhel5 and rawhide, the
  buildok/sched_test.stp and buildok/process_test.stp tests pass
  sucessfully, so there is no reason to kfail them.

14 years agoPR 5150. Fixed nfs tapset by making probes optional.
David Smith [Wed, 18 Nov 2009 16:59:37 +0000 (10:59 -0600)]
PR 5150.  Fixed nfs tapset by making probes optional.
* tapset/nfs_proc.stp: Made 'nfs.proc.read', 'nfs.proc.write', and
  'nfs.proc.commit' optional for newer kernels without those functions.
* testsuite/systemtap.pass1-4/buildok.exp: Expect nfs-all-probes.stp to
  pass.

14 years agoCheck in regenerated systemtap example indexes.
Mark Wielaard [Wed, 18 Nov 2009 13:28:25 +0000 (14:28 +0100)]
Check in regenerated systemtap example indexes.

14 years agoClean up examples
Wenji Huang [Wed, 18 Nov 2009 09:59:24 +0000 (17:59 +0800)]
Clean up examples

14 years agoTest cross-CU type discovery
Josh Stone [Wed, 18 Nov 2009 02:59:47 +0000 (18:59 -0800)]
Test cross-CU type discovery

Check that we can dereference a type declaration that is
defined in a separate CU from the function.

14 years agoMake interrupts-by-dev.stp executable
Wenji Huang [Wed, 18 Nov 2009 02:47:33 +0000 (10:47 +0800)]
Make interrupts-by-dev.stp executable

14 years agoPR4037: 32-bit staprun vs. 64-bit kernels just works (tm)
Frank Ch. Eigler [Wed, 18 Nov 2009 01:11:12 +0000 (20:11 -0500)]
PR4037: 32-bit staprun vs. 64-bit kernels just works (tm)

* configure.ac (PROCFLAGS): Don't define it.
* Makefile.am: Don't use it.

14 years agoDocument is_return(), module_name() and stp_pid() context tapset functions.
Mark Wielaard [Tue, 17 Nov 2009 22:41:31 +0000 (23:41 +0100)]
Document is_return(), module_name() and stp_pid() context tapset functions.

14 years agoWith tapset/aux_syscalls.stp fixes, test twentyseven.stp is not kfail.
David Smith [Tue, 17 Nov 2009 21:40:59 +0000 (15:40 -0600)]
With tapset/aux_syscalls.stp fixes, test twentyseven.stp is not kfail.
* testsuite/systemtap.pass1-4/buildok.exp: Test twentyseven.stp should
  pass now.

14 years agoSearch other CUs of the module when resolving declarations.
Mark Wielaard [Tue, 17 Nov 2009 21:20:32 +0000 (22:20 +0100)]
Search other CUs of the module when resolving declarations.

* dwflpp.h (declaration_resolve_other_cus): New method.
  (iterate_over_globals): Mark as static and takes a CU to iterate over.
  (global_alias_caching_callback_cus): New method.
* dwflpp.cxx (global_alias_caching_callback_cus): New method.
  (declaration_resolve_other_cus): New method.
  (declaration_resolve): Call iterate_over_globals() with current cu.
  Call declaration_resolve_other_cus() when name not found.
  (iterate_over_globals): Takes cu_die to iterate over as argument.

14 years agoFixed aux_syscalls.stp for RHEL4.
David Smith [Tue, 17 Nov 2009 19:50:03 +0000 (13:50 -0600)]
Fixed aux_syscalls.stp for RHEL4.
* tapset/aux_syscalls.stp: Only define entries for IRQF_* flags if they
  exist.

14 years agoPR 10974 fix. Fixed aux_syscalls.stp for RHEL5.
David Smith [Tue, 17 Nov 2009 18:52:35 +0000 (12:52 -0600)]
PR 10974 fix.  Fixed aux_syscalls.stp for RHEL5.
* tapset/aux_syscalls.stp: Only define entries for
  IRQF_NOBALANCING/IRQF_IRQPOLL if they exist.

14 years agoUse DW_AT_MIPS_linkage_name when available in vardie_from_symtable.
Mark Wielaard [Tue, 17 Nov 2009 15:11:28 +0000 (16:11 +0100)]
Use DW_AT_MIPS_linkage_name when available in vardie_from_symtable.

If there is a DW_AT_MIPS_linkage_name it encodes the actual name of
the variable as used in the symbol table.

* dwflpp.cpp (vardie_from_symtable): Check whether there is a
  DW_AT_MIPS_linkage_name attribute and use its value if so.

14 years agoRemove caching of emit_address for kernel modules and shared libraries.
Mark Wielaard [Tue, 17 Nov 2009 09:10:31 +0000 (10:10 +0100)]
Remove caching of emit_address for kernel modules and shared libraries.

Caching of the address is only safe for kernel addresses that can never
change. For kernel module or dynamic shared library addresses it isn't
safe to cache the address since they can be unloaded, reloaded or mapped
differently in separate executables.

* dwflpp.cxx (emit_address): Remove static from addr definition for
  kernel and dynamic modules.

14 years agoExplain "cheat" comment in sym.c (_stp_tf_mmap_cb).
Mark Wielaard [Tue, 17 Nov 2009 08:24:41 +0000 (09:24 +0100)]
Explain "cheat" comment in sym.c (_stp_tf_mmap_cb).

We are abusing the "first" section address here to indicate where the
module (actually first segment) is loaded (which is why we are ignoring
the offset). It would be good to redesign the stp_module/stp_section
data structures to better align with the actual memory mappings we are
interested in (especially the "section" naming is slightly confusing
since what we really seem to mean are elf segments (which can contain
multiple elf sections).

* runtime/sym.c (_stp_tf_mmap_cb): Add cheat comment.

14 years agoPR 5150 partial fixes. Added support for nfs_file_fsync.
David Smith [Mon, 16 Nov 2009 21:53:33 +0000 (15:53 -0600)]
PR 5150 partial fixes.  Added support for nfs_file_fsync.
* tapset/nfs.stp(nfs.fop.fsync): Added support for nfs_file_fsync.
  (nfs.fop.fsync.return): Ditto.
  (nfs.aop.readpages.return): Fixed 'size' bug.
  (nfs.aop.write_begin): Renamed to make 'nfs.*.*' probes work correctly.
  (nfs.aop.write_end): Ditto.
  (__nfs.aop.write_begin): Ditto.
  (__nfs.aop.write_end): Ditto.
  (__nfs.aop.prepare_write): Ditto.
  (__nfs.aop.commit_write): Ditto.
  (nfs.fop.aio_read.return): Always sets 'units'.
  (nfs.fop.aio_write.return): Ditto.
  (nfs.fop.sendfile.return): Ditto.

14 years agoAdd testcase for retrieving $global vars from execs and shared libs.
Mark Wielaard [Mon, 16 Nov 2009 20:41:13 +0000 (21:41 +0100)]
Add testcase for retrieving $global vars from execs and shared libs.

Explicit testcase for PR10010 and PR10622.

* testsuite/systemtap.base/externalvar.c: New file.
* testsuite/systemtap.base/externalvar.exp: New file.
* testsuite/systemtap.base/externalvar.stp: New file.
* testsuite/systemtap.base/externalvar_lib.c: New file.

14 years agoPR10010 Support $globals in shared libraries.
Mark Wielaard [Mon, 16 Nov 2009 20:34:00 +0000 (21:34 +0100)]
PR10010 Support $globals in shared libraries.

* dwflpp.cxx (dwflpp::emit_address): Enable task finder and emit a
  _stp_module_relocate for the ".dynamic" section when seeing a
  user-space dso address.
* runtime/sym.c (_stp_mod_sec_lookup): Remove .dynamic section addr cheat.
  (_stp_tf_mmap_cb): Add cheat here.

14 years agoAllow modules to trigger task_finder vma_tracker.
Mark Wielaard [Mon, 16 Nov 2009 19:59:16 +0000 (20:59 +0100)]
Allow modules to trigger task_finder vma_tracker.

* runtime/sym.h: Define _stp_need_vma_tracker.
* translate.cxx (emit_symbol_data_done): Output _stp_need_vma_tracker value.
  (c_unparser::emit_module_init): If STP_NEED_VMA_TRACKER isn't defined
  check _stp_need_vma_tracker to call _stp_sym_init().

14 years agoPR 5150 partial fix. Support nfs_write_begin()/nfs_write_end().
David Smith [Mon, 16 Nov 2009 18:58:46 +0000 (12:58 -0600)]
PR 5150 partial fix.  Support nfs_write_begin()/nfs_write_end().
* tapset/nfs.stp: Added support for nfs_write_begin()/nfs_write_end(),
  which replaced nfs_prepare_write()/nfs_commit_write().

14 years agoAdd documentation for ansi.stp tapset.
Mark Wielaard [Mon, 16 Nov 2009 10:56:38 +0000 (11:56 +0100)]
Add documentation for ansi.stp tapset.

* tapset/ansi.stp: Add documentation for every function.
* doc/SystemTap_Tapset_Reference/tapsets.tmpl: Add chapter on ansi.

14 years agoPR10622 Search for extern $variables in symbol table.
Mark Wielaard [Mon, 16 Nov 2009 09:02:50 +0000 (10:02 +0100)]
PR10622 Search for extern $variables in symbol table.

* dwflpp.h (vardie_from_symtable): New method.
* dwflpp.cxx (vardie_from_symtable): New method.
  (literal_stmt_for_local): Use vardie_from_symtable when no location
  attribute and DW_AT_external.
* testsuite/buildok/xtime.stp: New testcase from PR10622.

14 years agoDefine IRQF_ONESHOT for older kernels.
Mark Wielaard [Mon, 16 Nov 2009 09:33:20 +0000 (10:33 +0100)]
Define IRQF_ONESHOT for older kernels.

IRQF_ONESHOT was only introduced in 2.6.32. It doesn't hurt defining it
if it isn't already there. It will just never show up on older kernels.

* tapset/aux_syscalls.stp: Define IRQF_ONESHOT if not already defined.

14 years ago add definition of function irqflags_str()
Prerna Saxena [Mon, 16 Nov 2009 05:55:46 +0000 (11:25 +0530)]
 add definition of function irqflags_str()

14 years agoRegen indexes for interrupts-by-dev example
Josh Stone [Fri, 13 Nov 2009 23:21:06 +0000 (15:21 -0800)]
Regen indexes for interrupts-by-dev example

14 years agoDelete test commit file
Josh Stone [Fri, 13 Nov 2009 23:20:16 +0000 (15:20 -0800)]
Delete test commit file

14 years agoTurn ctime.stp documentation into proper Tapset Reference markup.
Mark Wielaard [Fri, 13 Nov 2009 13:42:17 +0000 (14:42 +0100)]
Turn ctime.stp documentation into proper Tapset Reference markup.

* doc/SystemTap_Tapset_Reference/tapsets.tmpl: Add chapter on ctime.stp.
* tapset/ctime.stp: Turn documentation into proper reference markup.

14 years agoAccept relative user module paths for -d.
Mark Wielaard [Fri, 13 Nov 2009 12:39:24 +0000 (13:39 +0100)]
Accept relative user module paths for -d.

When using relative (non-canonical) paths for user modules one would get
a confusing WARNING: missing unwind/symbol data for module 'bin/test'.
Also unless the path started with '/' the task_finder wouldn't start.
By checking that the given file can be made absolute (canonicalized)
both issues are resolved and the user module will be correctly identified
at both translation and runtime.

* main.cxx (main): case 'd' try canonicalize_file_name() the argument
  first to identify user modules.

14 years agoAdding a new .meta file to run interrupts-by-dev.stp in test
Prerna Saxena [Fri, 13 Nov 2009 10:25:26 +0000 (15:55 +0530)]
Adding a new .meta file to run interrupts-by-dev.stp in test

14 years agoMerge branch 'master' of ssh://sources.redhat.com/git/systemtap
Dave Brolley [Thu, 12 Nov 2009 19:29:09 +0000 (14:29 -0500)]
Merge branch 'master' of ssh://sources.redhat.com/git/systemtap

14 years agoSign uprobes.ko with the builder's certificate.
Dave Brolley [Thu, 12 Nov 2009 18:50:09 +0000 (13:50 -0500)]
Sign uprobes.ko with the builder's certificate.
Delete ownership & permissions tests from modsign.cxx and stap-serverd.

14 years agoAdd documentation for conversions.stp tapset functions.
Mark Wielaard [Thu, 12 Nov 2009 16:25:26 +0000 (17:25 +0100)]
Add documentation for conversions.stp tapset functions.

* doc/SystemTap_Tapset_Reference/tapsets.tmpl: Add conversions.stp chapter.
* tapset/conversions.stp: Add documentation for all functions.

14 years agoMark usymname as unprivileged.
Mark Wielaard [Thu, 12 Nov 2009 14:26:57 +0000 (15:26 +0100)]
Mark usymname as unprivileged.

* tapset/ucontext-symbols.stp (usymname): Add assert_is_myproc() and mark
  as unprivileged, just like usymdata().

14 years agoRelax restrictions on ownership and access permissions of signer's cert database.
Dave Brolley [Thu, 12 Nov 2009 15:23:59 +0000 (10:23 -0500)]
Relax restrictions on ownership and access permissions of signer's cert database.

14 years agoPR6979: fix loc2c handling of second and later pieces
Roland McGrath [Wed, 11 Nov 2009 20:14:30 +0000 (12:14 -0800)]
PR6979: fix loc2c handling of second and later pieces

* loc2c.c (translate): Reset stack state tracking after finishing each piece.

14 years agobuild: quiet down xmlto tests and runs
Frank Ch. Eigler [Wed, 11 Nov 2009 14:40:32 +0000 (09:40 -0500)]
build: quiet down xmlto tests and runs

* configure.ac (xmlto --stringparam check): Add >&/dev/null.
* doc/*/Makefile.am (xmlto runs): Ditto.

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