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* PR9896: Fix SystemTap build on Ubuntu Intrepid.Ananth N Mavinakayanahalli2009-02-251-2/+2
| | | | The gcc on Ubuntu doesn't like fprintf() without format arguments
* Skip generating empty struct globalWenji Huang2009-02-241-15/+17
| | | | | | | | Impact: trivial cleanup. Avoid emitting empty struct global code that is harmless. Signed-off-by: Wenji Huang <wenji.huang@oracle.com>
* Adjust extra_offset address against module base.Mark Wielaard2009-02-241-0/+4
| | | | | * translate.cxx (dump_unwindsyms): Adjust extra_offset always against module base as workaround for buggy elfutils < 0.138.
* Fix the syscall tapset for architectures using SYSCALL_WRAPPERSAnanth N Mavinakayanahalli2009-02-242-564/+1095
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* Merge branch 'gtod'Josh Stone2009-02-235-50/+104
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| * Add a testcase for gtod init/killJosh Stone2009-02-231-0/+29
| | | | | | | | | | | | This test simply checks that _gettimeofday_init and _gettimeofday_kill are pulled in when gettimeofday is used, and also that they are NOT pulled in when gettimeofday is not used.
| * Add selective use of _stp_time_init/kill (PR9822)Josh Stone2009-02-234-50/+75
| | | | | | | | | | | | | | | | Our gettimeofday runtime has frequent wakeups to stay in sync with kernel time, but this is wasted effort if gettimeofday is not used in the script. This patch moves the calls to _stp_time_init and _stp_time_kill into begin and end/error probes, which only get pulled in if one of the gettimeofday variants is called.
* | Improve static probe: c++ navigation, -l output.Stan Cox2009-02-232-16/+19
|/ | | | | | | * tapsets.cxx (dwflpp::build): Improve c+ method navigation. Use .label for listing mode. * systemtap.base/static_uprobes.exp: Test multiple invocations of the same probe per block. (SW9770)
* Check whether a die has any children before iterating over it.Mark Wielaard2009-02-231-1/+4
| | | | * tapsets.cxx (iterate_over_cu_labels): Check dwarf_child result.
* Made probe_start()/probe_exit() function definitions match their declarations.David Smith2009-02-231-2/+2
| | | | | | | 2009-02-23 David Smith <dsmith@redhat.com> * translate.cxx (translate_pass): Made probe_start()/probe_exit() function definitions match their declarations.
* drop Core from Fedora nameDan Horak2009-02-232-3/+3
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* make all examples executableEugeniy Meshcheryakov2009-02-217-0/+0
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* Remove STAPCONF_CFLAGS from the generated MakefileJosh Stone2009-02-201-3/+0
| | | | | This was leftover from my initial draft of autoconf caching. It's not used at all anymore...
* Adjust ET_DYN symbol addresses against module base.Mark Wielaard2009-02-211-1/+10
| | | | | * translate.cxx (dump_unwindsyms): Adjust sym_addr for ET_DYN always against module base as workaround for buggy elfutils < 0.138.
* Merge branch 'master' of git://sources.redhat.com/git/systemtapDave Brolley2009-02-202-1/+2
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| * Better <linux/debugfs.h> header file inclusion.David Smith2009-02-202-1/+2
| | | | | | | | | | | | | | 2009-02-20 David Smith <dsmith@redhat.com> * debugfs.c: Added inclusion of linux/debugfs.h. * relayfs.h: Removed inclusion of linux/debugfs.h.
* | Check for required resources and tools before attempting tests using the ↵Dave Brolley2009-02-203-11/+42
|/ | | | | | client/server. Ensure that tests run with/without the server have unique names.
* Merge branch 'master' of git://sources.redhat.com/git/systemtapDave Brolley2009-02-2024-18909/+266
|\ | | | | | | | | | | | | Conflicts: ChangeLog testsuite/ChangeLog
| * Better testcase cleanup.David Smith2009-02-202-3/+3
| | | | | | | | | | | | | | 2009-02-20 David Smith <dsmith@redhat.com> * systemtap.base/cache.exp (stap_compile): Better cleanup. * static_uprobes.exp: Ditto.
| * Ignore kernel functions with "absolute" addresses.Mark Wielaard2009-02-201-7/+6
| | | | | | | | | | | | | | translate.cxx (dump_unwindsyms): Augment the test for creating the stap-symbols to be STT_FUNC && !(SHN_UNDEF || SHN_ABS). The combination STT_FUNC && SHN_ABS only seems to occur on older i386 kernels and covers the vDSO "functions" we were seeing.
| * Merge branch 'master' of ssh://sources.redhat.com/git/systemtapddomingo2009-02-2019-18882/+107
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| | * Update guidelines for the ChangeLog-less worldJosh Stone2009-02-192-19/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Getting rid of ChangeLogs doesn't mean that we get a free ticket -- we now need to be more diligent about providing meaningful commit messages. I've updated the HACKING file with a first draft of new guidelines, but we may still revise what we feel is appropriate detail in the logs. I removed the ChangeLog section from the tapset/DEVGIDE entirely, and also fixed the path where examples are stored.
| | * Kill all ChangeLogsJosh Stone2009-02-1915-18856/+76
| | | | | | | | | | | | | | | | | | Mark Wielaard, a dear friend of the departed, will be performing a song and dance at the funeral services to commemorate the joyous times that they had together.
| | * Clean up extraneous build warningsJosh Stone2009-02-192-12/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The testsuite Makefile doesn't have any useful targets except check and installcheck, and those two are invoked directly by the top-level Makefile. So, I'm removing testsuite from automake's SUBDIRS, but keeping it in DIST_SUBDIRS for cleanup. I also renamed our top-level check target to check-local, so it cooperates with automake's check instead of overriding it.
| | * Alias AUTHOR Prerna -> Prerna SaxenaJosh Stone2009-02-192-1/+2
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| * | added Tracking System Call Volume Per Process sectionddomingo2009-02-202-0/+133
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| * static_uprobes test case cleanupFrank Ch. Eigler2009-02-192-12/+23
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* | New basic tests for client/server.Dave Brolley2009-02-205-46/+109
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* Ignore symbols before module base address.Mark Wielaard2009-02-192-0/+11
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* PR9719: uninitialized variable fixFrank Ch. Eigler2009-02-182-2/+8
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* Merge branch 'master' of ssh://sources.redhat.com/git/systemtapddomingo2009-02-1910-11/+134
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| * Add NEWS and manpage info about @cast()Josh Stone2009-02-182-0/+48
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| * Adding test case for PR9719 fixRajan Arora2009-02-182-0/+12
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| * BZ 9719: Improve type mismatch messagesRajan Arora2009-02-183-6/+62
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| * PR9866 band-aid: deactivate new CONFIG_STACKTRACE code for older kernelsFrank Ch. Eigler2009-02-184-5/+12
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* | short revisions to udp.stpddomingo2009-02-191-8/+8
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* Simplify AUTHORS.shJosh Stone2009-02-183-60/+62
| | | | | Let git-shortlog do the hard work for us, with the user mappings now listed in ".mailmap".
* Always emit .probes section; use .label method as a backup strategyStan Cox2009-02-186-18/+28
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* Merge branch 'master' of sourceware.org:/git/systemtapJosh Stone2009-02-183-4/+16
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| * Handles errors better.David Smith2009-02-182-1/+6
| | | | | | | | | | | | | | 2009-02-18 David Smith <dsmith@redhat.com> * systemtap.base/static_uprobes.exp: Handles errors from running 'dtrace' python script better.
| * Better testcase cleanup.David Smith2009-02-182-3/+10
| | | | | | | | | | | | 2009-02-18 David Smith <dsmith@redhat.com> * systemtap.base/labels.exp: Better cleanup.
* | Enable typecasting with @castJosh Stone2009-02-1811-43/+631
|\ \ | |/ |/| | | | | | | | | println(@cast(myptr, "task_struct")->pid) println(@cast(myptr, "task_struct", "kernel")->pid) Merge branch 'typecast', bump ChangeLog entries to push date
| * Bump copyright years to 2009Josh Stone2009-02-187-7/+7
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| * Enable dwarf expansion of @castsJosh Stone2009-02-184-35/+406
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This will iterate over the module and its CUs looking for the type definition, and then work with loc2c to dereference the pointer. * loc2c.c (c_translate_argument): Create a dummy location to start the address computation from a function parameter. * translate.cxx (base_query, dwarf_query): Move some members from base_query to dwarf_query, so the former can be more generic. Also add a constructor using a module string instead of probe parameters. (dwflpp::query_modules, dwflpp::iterate_over_modules): Use a generic base_query instead of a dwarf_query. (dwarf_cast_query): New query to scan the modules and CUs for a matching type definition, and then produce a code fragment to deref each component. (dwarf_cast_expanding_visitor): Tries to replace @casts with a function call to the result of a dwarf_cast_query. (dwflpp::declaration_resolve): Search by name instead of by die. (dwflpp::translate_components): Use the incoming vardie as the first type die, so we don't assume that attr_mem has a DW_AT_type already. (dwflpp::literal_stmt_for_pointer): Construct a C fragment that starts with a pointer argument (THIS->pointer) and dereferences each member component from there. (*_derived_probe::register_patterns): Take a session parameter instead of a match_node, so we can manipulate session-wide data. (dwarf_derived_probe::register_patterns): Add a session code filter to expand @casts with a dwarf_cast_expanding_visitor.
| * Enable session-wide code filteringJosh Stone2009-02-183-0/+18
| | | | | | | | | | | | | | | | | | | | This will be used to hook to dwarf_builder to all functions and probes so it can attempt @cast expansion. * session.h (systemtap_session): Add a vector of update_visitors that will act as filters for all probes and functions. * elaborate.cxx (semantic_pass_symbols): Run probes and functions through each registered code filter.
| * Provide dwarf module names as defaults in @cast()sJosh Stone2009-02-182-0/+18
| | | | | | | | | | | | * tapsets.cxx (dwarf_var_expanding_visitor::visit_cast_op): While expanding dwarf probes, provide the current module as a default to @casts without a module name.
| * Add high-level support for @cast()ingJosh Stone2009-02-187-1/+182
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This handles all of the parsing, traversal, and optimization. It doesn't actually resolve the cast yet though. * staptree.h (struct cast_op, visitor::visit_cast_op): New. * staptree.cxx (cast_op::print/visit, various visitor::visit_cast_op's): Incorporate cast_op into the basic tree operations. * parse.cxx (parser::parse_symbol): Parse @cast operator with an expression operand, type string, and optional module string. * translate.cxx (c_unparser::visit_cast_op): Error out if a @cast survives to translation. * elaborate.cxx (typeresolution_info::visit_cast_op): Error out if a @cast survives to type resolution. (symbol_fetcher::visit_cast_op): treat @casts as a symbol target (void_statement_reducer::visit_cast_op): unused @casts can be discarded, but the operand should still be evaluated.
* | Remove context argument from _stp_stack_print_fallback (PR 9860).William Cohen2009-02-182-4/+9
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* | Removed unused functions and variables.David Smith2009-02-1816-374/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2009-02-18 David Smith <dsmith@redhat.com> * io.c (_stp_log): Removed unused function. * map.c (_stp_cmp): Replace _stp_log() with dbug(). * mempool.c (_stp_mempool_resize): Removed unused function. * print.c (next_fmt): Removed unused function. * procfs.c: Removed unused variable '_stp_num_procfs_files'. * regs.c (_stp_ret_addr): Removed unused function. * string.c (_stp_text_str): Removed unused variable 'len'. * string.h: Removed unused variable '_stdout_' and function declaration for deleted function '_stp_vsprintf'. * sym.c: Removed unused variables. * unwind.c (_stp_create_unwind_hdr): Removed unused function. 2009-02-18 David Smith <dsmith@redhat.com> * control.c: Removed unused variable '_stp_current_buffers'. * procfs.c (_stp_set_buffers): Removed unused function. (_stp_register_ctl_channel_fs): Removed unused variables and label. * symbols.c (u32_swap): Removed unused function. (generic_swap): Ditto. (_stp_sort): Ditto. (_stp_section_is_interesting): Ditto. * transport.c (_stp_transport_init): Removed unused variable 'ret'.
* | 485491, revised installation instructions, now uses yum install and ↵ddomingo2009-02-181-78/+67
| | | | | | | | debuginfo-install for kernel info pkgs
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