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| * Looks for both mmap and mmap2.David Smith2008-08-203-9/+31
| | | | | | | | | | | | | | | | | | 2008-08-20 David Smith <dsmith@redhat.com> * task_finder.c (__stp_utrace_task_finder_target_syscall_entry): Handles mmap2 (as well as mmap). (__stp_utrace_task_finder_target_syscall_exit): Ditto. * syscall.h: Added defines for mmap and mmap2.
| * PR 6841 fix.David Smith2008-08-192-2/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2008-08-19 David Smith <dsmith@redhat.com> PR 6841 * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl): Workaround utrace bug by quiescing threads before attaching a utrace syscall engine to them. (utrace_derived_probe_group::emit_module_decls): Emit quiesce handler. 2008-08-19 David Smith <dsmith@redhat.com> PR 6841 * task_finder.c (__stp_utrace_task_finder_target_quiesce): Quiesces thread before turning on syscall tracing.
* | Merge commit 'origin/master' into pr4225Frank Ch. Eigler2008-08-172-14/+38
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit 'origin/master': Mention distro specific elfutils development sub-packages needed when not found. Change system-wide probes from 'process("*").begin' to 'process.begin'. PR6836: tweak $$return formatting extend callgraph example to use $$parms / $$return PR6836: $$vars extensions, $$return small patch ... PR 6834 PR6842: work around possibly null task->signal in utrace death callback Minor bugs in stap-client. build compatibility and speed hack for bundled-elfutils mode revise build instructions; clarifying elfutils bundling and its new hosting site kbuild compatibility hack for separate-objdir O= builds PR 6445 (partial). Implemented system-wide utrace probes. Fixed compilation warning on gcc 3.x let $$vars work even with unsupported c types (e.g., funkytown floats)
| * PR6842: work around possibly null task->signal in utrace death callbackFrank Ch. Eigler2008-08-142-1/+7
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| * PR 6445 (partial). Implemented system-wide utrace probes.David Smith2008-08-122-14/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2008-08-12 David Smith <dsmith@redhat.com> PR 6445 (partial) * tapsets.cxx (utrace_builder::build): Validates pid and allows probing of "*" to mean all threads. * stapprobes.5.in: Added note about a process path of "*" means to probe all threads. 2008-08-12 David Smith <dsmith@redhat.com> PR 6445 (partial) * task_finder.c (stap_register_task_finder_target): Handles probing all threads. (__stp_utrace_attach_match_filename): Ditto. (stap_start_task_finder): Ditto. 2008-08-12 David Smith <dsmith@redhat.com> PR 6445 (partial) * systemtap.base/utrace_p4.exp: Added test that probes all threads. * semko/utrace14.stp: New test.
* | Merge commit 'origin/master' into pr4225Frank Ch. Eigler2008-08-113-31/+223
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit 'origin/master': (34 commits) PR5049: fix overbroad effects of naive "*" prefixing; instead use optional "*/" only. stap-serverd was incorectly determining that the server could stapprobes man page: clarify statement(NUM).absolute and process("path") searching PR5049: prefix with "*" any filenames given in "fn@filename:line" probes Indentation fix. Redirect stderr gets redircted so warnings don't let example script run fail. PR6835. io/io_submit.stp: Fix #! start. Convert to normal line-ending. PR2895. Add proper #! /usr/bin/env stap line. Make example scripts executable. Use INSTALL_PROGRAM, not INSTALL_DATA for executable .stp scripts. example index: only warn if old, do not regenerate Start/stop the systemtap server from systemtap.exp and not in the top level Makefile. Lower statement wildcard test matching threshold. Moved details of utrace detach to stap_utrace_detach(). Saves thread vma information. Always generate examples indexes and install examples from srcdir. Refer to srcdir spec file Makefile so make rpm works when builddir != srcdir. Add index of subsystem and keywords at top of HTML indexes. Don't output output, exits, status line in indexes (mentioned in descriptions). Disable chmodding of samples/kmalloc-top in spec file since it isn't installed. Make sure examples indexes are always generated in builddir. ...
| * Moved details of utrace detach to stap_utrace_detach().David Smith2008-08-082-31/+72
| | | | | | | | | | | | | | | | | | | | | | | | 2008-08-08 David Smith <dsmith@redhat.com> * tapsets.cxx (utrace_derived_probe_group::emit_module_decls): Calls stap_utrace_detach() to perform detach. 2008-08-08 David Smith <dsmith@redhat.com> * task_finder.c (stap_utrace_detach): New function. (stap_utrace_detach_ops): Calls stap_utrace_detach(). (__stp_utrace_attach_match_filename): Ditto.
| * Saves thread vma information.David Smith2008-08-083-0/+151
| | | | | | | | | | | | | | | | | | | | | | | | 2008-08-08 David Smith <dsmith@redhat.com> * task_finder.c (__stp_tf_vm_cb): Added calls to save/delete vma information. * task_finder_vma.c (__stp_tf_vma_map_hash): New function. (__stp_tf_get_vma_map_entry_internal): Ditto. (stap_add_vma_map_info): Ditto. (stap_remove_vma_map_info): Ditto. (stap_find_vma_map_info): Ditto.
* | Merge commit 'origin/master' into pr4225Frank Ch. Eigler2008-08-065-8/+454
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit 'origin/master': Use relative instead of absolute line. (bug 6611) move post-0.7 news tidbit to the top Add test for $$vars, $$params, $$locals. typographical tweaks for embedded script code Add $$vars, $$parms, $$locals Rename $path to $pathname of syscall tapset for 2.6.27 Correct several tests for 2.6.27 c code generation: assert C indentation/nesting cancels out at appropriate points Tweak test_installcheck for helloworld.meta and traceio2.meta. Run both tests for installcheck tests. No need for random suffix file cmdline and sysinfo files in the Ensure that a systemtap server is available if 'server' is specified session.h (struct systemtap_session): Added itrace_derived_probe * syscalls2.stp: Add sys_unlinkat. Fix on_each_cpu() call for kernels >2.6.26. Remove unused STAPCONF_MODULE_NSECTIONS
| * session.h (struct systemtap_session): Added itrace_derived_probedcn2008-07-291-0/+438
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | group. elaborate.cxx (systemtap_session::systemtap_session): Added initialization of itrace_derived_probes. tapsets.cxx (struct itrace_derived_probe): Add derived_probe struct for holding info needed by itrace probes. (struct itrace_derived_probe_group): New derived_probe_group to handle itrace probes. (itrace_derived_probe::itrace_derived_probe): Needed for use with task_finder. (itrace_derived_probe_group::join_group): Ditto. (itrace_derived_probe_group::enroll): Ditto. (itrace_derived_probe_group::emit_probe_decl): Ditto. (itrace_derived_probe_group::emit_module_decls): Ditto. (itrace_derived_probe_group::emit_module_init): Ditto. (itrace_derived_probe_group::emit_module_exit): Ditto. stapprobes.5.in : Added documentation of itrace probe.
| * Fix on_each_cpu() call for kernels >2.6.26.Josh Stone2008-07-243-0/+12
| | | | | | | | | | | | | | | | This is a generalization of the patch from James Bottomley: http://sources.redhat.com/ml/systemtap/2008-q3/msg00220.html The on_each_cpu() change was merged *after* the 2.6.26 release, so I'm using an autoconf test instead of James' version check.
| * Remove unused STAPCONF_MODULE_NSECTIONSJosh Stone2008-07-242-8/+4
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* | Fix i386 dwarf_register_4() to work in uprobe handlers.Jim Keniston2008-08-051-5/+2
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* | PR4225: it's alive, alive!Frank Ch. Eigler2008-08-021-1/+1
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* | PR4225: signs of lifeFrank Ch. Eigler2008-08-021-0/+14
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* No longer allocates structure used to save vma information.David Smith2008-07-213-4/+80
| | | | | | | | | | | | | | | 2008-07-21 David Smith <dsmith@redhat.com> * task_finder_vma.c (__stp_tf_vma_initialize): New function to initialize the free list. (__stp_tf_vma_put_free_entry): Puts a vma entry back on the free list. (__stp_tf_add_vma): Instead of allocating a vma entry, grab one from the free list by calling __stp_tf_vma_put_free_entry(). (__stp_tf_remove_vma_entry): Instead of freeing a vma entry, call __stp_tf_vma_put_free_entry() to put it on the free list instead. * task_finder.c (stap_start_task_finder): Calls __stp_tf_vma_initialize().
* BZ442528 changelogs: ia64 fetch_register speedupsFrank Ch. Eigler2008-07-181-0/+5
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* PR442528Frank Ch. Eigler2008-07-181-0/+30
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* support multiple-relocatable-section modules such as hypothetical ↵Frank Ch. Eigler2008-07-175-92/+75
| | | | -ffunction-sections .ko's
* PR6738: restore support for rhel4-era (2.6.9) kernelsFrank Ch. Eigler2008-07-1210-190/+60
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* PR6736: changelogs for post-merge compiled unwind/symbols data reorganizationFrank Ch. Eigler2008-07-105-3/+31
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* Merge commit 'origin/master' into pr6429-comp-unwindsymsFrank Ch. Eigler2008-07-095-3/+31
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit 'origin/master': fix shutdown race condition for scripts that might exit during begin probes Fix PR 6732: Add runtime/autoconf-real-parent.c check for task_struct field. clarify dejagnu test case name for empty-struct changes add changelog entries for last two changes Add test suite for declaration resolution Fix semantic error: empty struct Add hack to support git 1.6 in git_version.sh Sync latest fix for git_version.sh from RadeonHD's tree Slightly cleanup code of translate.cxx PR2111: add general blurbage to stapprobes.5 on syscalls tapset Use `uname -rvm` for checking system compatibility. Generate Add section to stapex manual page on how installed examples are documented. Install examples, demos and samples. Install tutorial and langref manuals.
| * fix shutdown race condition for scripts that might exit during begin probesFrank Ch. Eigler2008-07-092-2/+6
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| * Fix PR 6732: Add runtime/autoconf-real-parent.c check for task_struct field.Mark Wielaard2008-07-093-1/+25
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* | pass /sys/module/*/sections/* addresses to the kernel module tooFrank Ch. Eigler2008-07-071-7/+83
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* | avoid appearing to succeed in stp_relocation() of a symbol for a module that ↵Frank Ch. Eigler2008-07-041-0/+4
| | | | | | | | is not known to be loaded
* | Merge commit 'origin/master' into pr6429-comp-unwindsymsFrank Ch. Eigler2008-07-042-29/+62
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit 'origin/master': ubuntu (2.6.24-16-server) kernel compatibility fix client/server take 2. See bz6565. Add functioncallcount.meta and functioncallcount.stp. Add para-callgraph.stp and para-callgraph.meta. Fixed __stp_get_mm_path() error return code. diagnostics improvement: print arch/mach at top if -vv Make _vfs.generic_commit_write only for kernel<=2.6.25 Handles "mortally wounded" threads correctly when detaching. further clarify that elfutils need not be absolutely freshest, nor rebuilt every time point out releases/ directory; clarify optionality of elfutils bundling Add auto_free_ref to auto_free stuff; bug 6694
| * Fixed __stp_get_mm_path() error return code.David Smith2008-07-012-6/+19
| | | | | | | | | | | | | | | | | | 2008-07-01 David Smith <dsmith@redhat.com> * task_finder.c (__stp_get_mm_path): Corrected error return code. (__stp_utrace_attach_match_tsk): Ignores ENOENT error from __stp_get_mm_path(). (stap_start_task_finder): Ditto.
| * Handles "mortally wounded" threads correctly when detaching.David Smith2008-06-302-23/+43
| | | | | | | | | | | | | | | | | | | | 2008-06-30 David Smith <dsmith@redhat.com> * task_finder.c (stap_utrace_detach_ops): Removed check to see if thread has a mm (in the case where a thread isn't quite dead yet). (stap_utrace_attach): Minor error handling improvement. (__stp_utrace_attach_match_tsk): Ditto.
* | emit all symbol tables at compile time; don't do any module munging; new ↵Frank Ch. Eigler2008-07-047-872/+84
| | | | | | | | unwinder still disabled
* | transport/symbol rework: kernel-only probes workingFrank Ch. Eigler2008-06-298-16/+29
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* | STP_RELOCATE message for kernel relocatability (re)adaption, starting ↵Frank Ch. Eigler2008-06-299-50/+196
| | | | | | | | implementation
* | Merge commit 'origin/master' into pr6429-comp-unwindsymsFrank Ch. Eigler2008-06-275-8/+76
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit 'origin/master': Always include libdw using link groups. Fix bug in handling process(PID) probes. Added tests for 'process(PID)' variants. This commit makes changes to the VFS tapset. The changes include deprecation of syscalls2.stp: Add sys_renameat. Only probe lines once for the :* wildcard line pattern. Revert checking address in runtime bz451707: fix conversions.exp test $name Cleanup in tapsets.cxx Added powerpc support to runtime/syscall.h. Remove validating _stext due to many aliased symbols PR6646: Add checking address in runtime Fixed offset argument to vm_callback.
| * Revert checking address in runtimeWenji Huang2008-06-252-23/+5
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| * Added powerpc support to runtime/syscall.h.David Smith2008-06-242-3/+50
| | | | | | | | | | | | | | 2008-06-24 David Smith <dsmith@redhat.com> From: Srinivasa DS <srinivasa@in.ibm.com> * syscall.h: Added powerpc support.
| * Remove validating _stext due to many aliased symbolsWenji Huang2008-06-241-7/+0
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| * PR6646: Add checking address in runtimeWenji Huang2008-06-242-1/+38
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| * Fixed offset argument to vm_callback.David Smith2008-06-232-4/+13
| | | | | | | | | | | | | | | | | | 2008-06-23 David Smith <dsmith@redhat.com> * task_finder.c (__stp_utrace_task_finder_target_quiesce): Fixed vm_callback offset by shifting it left PAGE_SHIFT bits. (__stp_target_call_vm_callback): Ditto. (__stp_utrace_task_finder_target_syscall_exit): Ditto.
* | PR6429: remove stapio STP_UNWIND support and associated elfutils dependencyFrank Ch. Eigler2008-06-231-1/+2
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* Handle exec's that use a relative path.David Smith2008-06-232-6/+7
| | | | | | | 2008-06-23 David Smith <dsmith@redhat.com> * task_finder.c (__stp_utrace_task_finder_report_exec): Handles relative exec paths correctly.
* Made RHEL5 changes.David Smith2008-06-233-3/+36
| | | | | | | | | 2008-06-23 David Smith <dsmith@redhat.com> * task_finder_vma.c (__stp_tf_vma_hash): Improved determination of whether this is a 64-bit platform. * syscall.h: Handles kernels with older style register definitions.
* Major update to memory map change notification code.David Smith2008-06-234-4/+571
| | | | | | | | | | | | | | | | | | | | | | | | | | | 2008-06-23 David Smith <dsmith@redhat.com> * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl): Handles UDPF_NONE value. (utrace_derived_probe_group::emit_vm_callback_probe_decl): New function. (utrace_derived_probe_group::emit_module_decls): Calls emit_vm_callback_probe_decl() to set up vm_callbacks. 2008-06-23 David Smith <dsmith@redhat.com> * task_finder.c (__stp_tf_vm_cb): New function. (stap_register_task_finder_target): Sets up syscall entry and syscall exit handlers. (__stp_find_file_based_vma): New function. (__stp_utrace_task_finder_target_syscall_entry): New function. Saves vma information off at syscall entry. (__stp_target_call_vm_callback): New function. (__stp_utrace_task_finder_target_syscall_exit): New function. Handles changes to memory maps based on information saved at syscall entry. * syscall.h: New file containing syscall function. * task_finder_vma.c: New file containing saved vma information handling functions.
* Removed trailing semicolons from macro definitions.David Smith2008-06-232-2/+6
| | | | | | 2008-06-23 David Smith <dsmith@redhat.com> * regs.h: Removed trailing semicolons from macro definitions.
* Got smarter on which utrace events to set on a newly found thread.David Smith2008-06-172-3/+15
| | | | | | | | | | 2008-06-17 David Smith <dsmith@redhat.com> * task_finder.c (__stp_utrace_attach_match_filename): Uses new __STP_ATTACHED_TASK_EVENTS macro to determine which events to set on a newly found process based on whether the stap_task_finder_target structure has a vm_callback defined. (stap_start_task_finder): Ditto.
* Improved callback handling.David Smith2008-06-162-8/+15
| | | | | | | 2008-06-16 David Smith <dsmith@redhat.com> * task_finder.c (stap_start_task_finder): Improved callback handling.
* Remove STP_UNWIND support in _stp_ctl_write_dbugWenji Huang2008-06-132-4/+3
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* Very early beginnings of memory map notification support.David Smith2008-06-102-10/+109
| | | | | | | | | | | | | | | 2008-06-10 David Smith <dsmith@redhat.com> * tapsets.cxx (utrace_derived_probe_group::emit_probe_decl): Initializes .vm_callback. 2008-06-10 David Smith <dsmith@redhat.com> * task_finder.c (struct stap_task_finder_target): Added vm_callback public field. (stap_register_task_finder_target): Sets up .report_quiesce handler. (__stp_utrace_task_finder_target_quiesce): New function.
* Made 2.6.25 kernel updates.David Smith2008-06-092-2/+11
| | | | | | | | | | | | | | 2008-06-09 David Smith <dsmith@redhat.com> * tapsets.cxx (utrace_derived_probe::join_group): Removed generated inclusion of tracehook.h. (utrace_var_expanding_copy_visitor::visit_target_symbol): Uses '_stp_arg(0)' to get value of '$syscall'. 2008-06-09 David Smith <dsmith@redhat.com> * task_finder.c (__stp_utrace_task_finder_report_exec): Handles 2.6.25 kernels.
* Changed/renamed utrace probes.David Smith2008-06-062-36/+70
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2008-06-06 David Smith <dsmith@redhat.com> * tapsets.cxx (enum utrace_derived_probe_flags): Redefined in terms of probe types instead of utrace events. (utrace_var_expanding_copy_visitor::visit_target_symbol): Uses new utrace_derived_probes_flags values. (utrace_builder::build): Handles new probe types and new utrace_derived_probes_flags values. (utrace_derived_probe_group::emit_probe_decl): Updated to handle new utrace_derived_probe_flags values. (utrace_derived_probe_group::emit_module_decls): Ditto. Also correctly handles 'begin' events correctly by installing a quiesce handler (instead of running the probe directly). (register_standard_tapsets): Registers updated utrace probe types. 2008-06-06 David Smith <dsmith@redhat.com> * task_finder.c: Added some debug logic. Use '-DDEBUG_TASK_FINDER' to enable. (stap_utrace_attach): Renamed from '__stp_utrace_attach'. (__stp_utrace_attach_match_filename): Calls callback with notification that this is a process or thread event. (__stp_utrace_attach_match_tsk): Ditto. (__stp_utrace_task_finder_report_clone): Ditto. (__stp_utrace_task_finder_report_exec): Ditto. (stap_utrace_task_finder_report_death): Ditto. (stap_start_task_finder): Ditto. (stap_stop_task_finder): Added debug logic. 2008-06-06 David Smith <dsmith@redhat.com> * systemtap.base/utrace_p4.exp: Updated for utrace probe changes. * systemtap.base/utrace_p5.exp: Ditto.
* PR6429: remove unused fileFrank Ch. Eigler2008-06-031-97/+0
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