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| * | | | ttyspy: struct pid->number[0]->nr arrived with 2.6.24 not laterFrank Ch. Eigler2009-06-061-1/+1
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| * | | | ttyspy.stp: new sample scriptFrank Ch. Eigler2009-06-066-1/+118
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| * | | | PR10209: extend configury for --disable-translatorElliott Baron2009-06-059-163/+258
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * configure.ac: Added --disable-translator feature, creates AM_CONDITIONAL BUILD_TRANSLATOR. * Makefile.am: Only build runtime components (staprun, stapio) if BUILD_TRANSLATOR == FALSE. * configure: Regenerated. * Makefile.in: Likewise. * aclocal.m4: Likewise. * config.in: Likewise. * doc/Makefile.in: Likewise. * doc/SystemTap_Tapset_Reference/Makefile.in: Likewise. * grapher/Makefile.in: Likewise.
* | | | | Merge branch 'master' of git://sources.redhat.com/git/systemtapDave Brolley2009-06-041-149/+422
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| * | | | Fix uninitialized shdr in probe_tableJosh Stone2009-06-031-15/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * tapsets.cxx (dwarf_builder::probe_table::probe_table): gcc 4.4 complains that shdr may be used uninitialized. I added returns to ensure that it's ok, but gcc still complains. Set the thing to NULL as well to silence the beast.
| * | | | * tapsets.cxx (dwarf_builder::probe_table): New. Derived fromStan Cox2009-06-031-145/+411
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dwarf_builder::build to handle the .probes section (sdt_var_expanding_visitor): New. Expand static probe $argN. (dwarf_builder::build): Use probe_table. Add kprobe and utrace probe types.
* | | | | Merge branch 'master' of git://sources.redhat.com/git/systemtapDave Brolley2009-06-0317-200/+1774
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| * | | | Detect kretprobe trampoline and use fallback unwinder.Mark Wielaard2009-06-035-11/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * runtime/sym.h (_stp_kretprobe_trampoline): Document. * translate.cxx (unwindsym_dump_context): Add stp_kretprobe_trampoline_addr. (dump_unwindsyms): Detect kretprobe_trampoline_holder symbol address. (emit_symbol_data): Initialize and emit _stp_kretprobe_trampoline. * runtime/transport/symbols.c (_stp_do_relocation): Detect kernel load address and adjust _stp_kretprobe_trampoline. * runtime/stack-i386.c (__stp_stack_print): Always use fallback unwinder when hitting kretprobe_trampoline_holder. * runtime/stack-x86_64.c (__stp_stack_print): Likewise.
| * | | | Add $arch/nd_syscalls.stpJosh Stone2009-06-025-0/+1419
| | | | | | | | | | | | | | | | | | | | | | | | | These are all the dwarfless analogs to $arch/syscalls.stp. (Only i686 and x86_64 have been tested...)
| * | | | Clean up the formatting of $arch/syscalls.stpJosh Stone2009-06-025-149/+224
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| * | | | Complete a few TODO probe points in nd_syscalls2Josh Stone2009-06-021-39/+96
| | | | | | | | | | | | | | | | | | | | This adds renameat, unlinkat, unshare, and compat_sys_semctl.
| * | | | Fixed cut-and-paste error.David Smith2009-06-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | * runtime/task_finder.c (__stp_call_mmap_callbacks_for_task): Fixed cut-and-paste error.
* | | | | Merge branch 'master' of git://sources.redhat.com/git/systemtapDave Brolley2009-06-026-668/+1056
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| * | | | Fix nd_syscall2 open.return typo.Mark Wielaard2009-06-021-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | * tapset/nd_syscalls2.stp (nd_syscall.open.return): Add commas after alternatives.
| * | | | More nd_syscalls2 cleanup, and add SYSCALL_WRAPPERSJosh Stone2009-06-021-291/+575
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Fix a few more formatting issues - Add SYSCALL_WRAPPERS analogous to 132c33 tapset/syscalls2.stp Thanks to Przemysław Pawełczyk for the helpful translation scripts.
| * | | | Merge branch 'master' of ssh://sourceware.org/git/systemtapJosh Stone2009-06-022-2/+9
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| | * | | | Add debuginfo-install suggestion for kernel probing.William Cohen2009-06-011-1/+7
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| | * | | | Better sdt.exp test cleanup.David Smith2009-06-011-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | * testsuite/systemtap.base/sdt.exp: Better cleanup.
| * | | | | Cache the last result of dwarf_getscopesJosh Stone2009-06-022-2/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This one function accounted for ~30% of my callgrind profile of "stap -l 'syscall.*'", even though it was only called ~1200 times. We call dwarf_getscopes for each $target variable, with the same parameters within a given probe. Since they're no nicely grouped, it's easy to just cache the most recent call, and the next few calls will be a hit. Overall this cuts the number of calls down to about 300, for an easy speed gain.
| * | | | | Move the blacklist functions into dwflppJosh Stone2009-06-013-321/+315
| |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For a call like "stap -l 'syscall.*'", I found that ~10% of the time was spent compiling the blacklist regexps over again for each probe point. By moving this functionality into the kernel dwflpp instance, we can reuse the regexps and get an easy speed boost.
| * | | | Avoid holding semaphore while making mmap callbacks.David Smith2009-06-011-52/+130
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * runtime/task_finder.c (__stp_call_mmap_callbacks_for_task): Grabs the 'mmap_sem' sempaphore. Caches vma information, releases the semaphore, then makes mmap callbacks. (__stp_utrace_task_finder_target_quiesce): Calls __stp_call_mmap_callbacks_for_task() to make mmap callbacks on initial attach to a task.
* | | | | Merge branch 'master' of git://sources.redhat.com/git/systemtapDave Brolley2009-06-013-9/+4156
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| * | | | Fix a few variables in nd_syscalls2Josh Stone2009-05-291-13/+13
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| * | | | Clean up nd_syscalls2 formattingJosh Stone2009-05-291-556/+786
| | | | | | | | | | | | | | | | | | | | This applies some of the formatting rules specified in c0c1ccc.
| * | | | Kill trailing whitespace in nd_syscalls[2]Josh Stone2009-05-292-144/+144
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| * | | | Convert nd_syscalls2 to kprobe.functionJosh Stone2009-05-291-437/+437
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| * | | | Add JoeLynn Keniston to AUTHORSJosh Stone2009-05-291-0/+1
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| * | | | Create nd_syscalls2.stpJoeLynn Keniston2009-05-291-0/+3916
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This contains an initial transformation of syscalls2.stp to start using numbered parameter access instead of relying on dwarf. Signed-off-by: Josh Stone <jistone@redhat.com>
* | | | | Merge branch 'master' of git://sources.redhat.com/git/systemtapDave Brolley2009-05-291-0/+1
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| * | | | PR10206: Include NOTYPE symbols in stap-symbols.hAnanth N Mavinakayanahalli2009-05-281-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | On powerpc, function descriptors are in the .opd section as NO_TYPE. Include them in stap-symbols.h
* | | | | Merge branch 'master' of git://sources.redhat.com/git/systemtapDave Brolley2009-05-288-67/+86
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| * | | | Avoid 1 case of holding a semaphore while mmap callbacks are being made.David Smith2009-05-281-57/+75
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * runtime/task_finder.c (__stp_call_mmap_callbacks_with_addr): Renamed from __stp_call_mmap_callbacks_with_vma(). Also added some code from __stp_utrace_task_finder_target_syscall_exit() that locks the 'mmap_sem' semaphore. This avoids holding the semaphore while the mmap callbacks are made. (__stp_utrace_task_finder_target_syscall_exit): Just calls __stp_call_mmap_callbacks_with_addr() in the mmap case.
| * | | | Add ucontext-symbols and ucontext-unwind tapset functions to the manual.Mark Wielaard2009-05-282-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * tapset/ucontext-unwind.stp (ubacktrace): Remove empty line before function triggering parse errors for doc scanner. * doc/SystemTap_Tapset_Reference/tapsets.tmpl (chapter context_stp): Add tapset/ucontext-symbols.stp and tapset/ucontext-unwind.stp.
| * | | | More testsuite tweaks to make it work with SYSCALL_WRAPPERSAnanth N Mavinakayanahalli2009-05-285-9/+9
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* | | | | Merge branch 'master' of git://sources.redhat.com/git/systemtapDave Brolley2009-05-2716-371/+1553
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| * | | | Suggest rpms to install using debuginfo-install.William Cohen2009-05-2715-66/+985
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The patch makes use of the RPM libraries to determine which rpm supplied the executable and from that information suggest a command to install the appropriate debuginfo rpm. This is enabled using the "--with-rpm" option for configure. Can be explicitly disabled with "--without-rpm".
| * | | | Fix nd_syscalls.stp for architectures using SYSCALL_WRAPPERS.Przemyslaw Pawelczyk2009-05-261-305/+568
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add kprobe.function("SyS_*") probe points to nd_syscall.* probe aliases. Analogue of commit 132c337c with two exceptions: - remove sufficiency of these new probe points (use '?' instead of '!'), because translator always considers them resolved, - make non-SyS probe points optional in probe aliases affected by syscall wrappers, because otherwise they will fail on such architectures. Signed-off-by: Josh Stone <jistone@redhat.com>
* | | | | Merge branch 'master' of git://sources.redhat.com/git/systemtapDave Brolley2009-05-258-138/+305
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| * | | | Fix another kernel/kprobe.function conflictJosh Stone2009-05-222-7/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Both kernel.function and kprobe.function were defining a global array stap_unreg_kprobes to use in bulk kprobes unregistration. The compiler allowed the duplicate definition as long as they were the same size, as it was when exercised in buildok/thirtyone. kprobe.function now uses a separate stap_unreg_kprobes2, and the testcase is modified to produce an imbalanced number of probes.
| * | | | PR10190: Suppress warnings for optional kprobesJosh Stone2009-05-222-5/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When a kernel.function or kprobe.function fails in registration, we usually print a WARNING and move on. With this patch, kprobes that have the optional '?' flag will not print any WARNING.
| * | | | Move the "pure" tag into the body of __is_user_regsJosh Stone2009-05-222-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The "/* pure */" tag has no effect unless it is within the embedded-C body of a function. In this instance, they were accidentally moved out during the syscall cleanups.
| * | | | Use embedded-C for empty functionsJosh Stone2009-05-223-12/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The functions asmlinkage() and fastcall() are used to help access syscall parameters on i686. All other archs don't need this, but they still define empty functions to shield the callers from arch details. However, stap issues warnings for empty script-level functions. This patch changes them to "%{ /* pure */ %}" so there's no complaint, and they will still get optimized away.
| * | | | Uncomment 'name' variable in nd_syscall.lseek probe point.Przemyslaw Pawelczyk2009-05-221-1/+1
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Josh Stone <jistone@redhat.com>
| * | | | Add missing probe points in nd_syscalls.stp.Przemyslaw Pawelczyk2009-05-221-0/+154
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add probe points for faccessat, fchmodat, fchownat, linkat and mknodat. Analogue of commits: a3d153e5, 335972be, 46e2c2c1, c815c982, dac6e242 and bad69f1d. Signed-off-by: Josh Stone <jistone@redhat.com>
| * | | | Remove return probes for exit[_group] in nd_syscalls.stp.Przemyslaw Pawelczyk2009-05-221-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Analogue of commit 39a8b0bc. Signed-off-by: Josh Stone <jistone@redhat.com>
| * | | | Unify formatting of nd_syscalls.stp.Przemyslaw Pawelczyk2009-05-221-110/+103
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rules were already specified in commit c0c1ccc6. Signed-off-by: Josh Stone <jistone@redhat.com>
* | | | | Merge branch 'master' of git://sources.redhat.com/git/systemtapDave Brolley2009-05-221-1/+14
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| * | | | Restore staprun's support for REAL_UID/GIDJosh Stone2009-05-221-1/+14
| | | | | | | | | | | | | | | | | | | | | | | | | This is needed for run-stap so that stapio and all child processes can run as the originally invoking user instead of root.
* | | | | Merge branch 'master' of git://sources.redhat.com/git/systemtapDave Brolley2009-05-2215-173/+498
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| * | | | PR10182: clean uprobes.ko during rpm upgradeFrank Ch. Eigler2009-05-211-0/+7
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