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* Get d_path's root natively with @castJosh Stone2010-03-121-0/+8
| | | | | | | | | | | As mjw's aborted commit 5ab0b1b6 attempted, we can use a @cast to get the filesystem root for the current task instead of embedded-C. I've left it using the kernel debuginfo instead of headers for now, because all of the neighboring @casts are doing the same. * tapset/dentry.stp (d_path): Use @cast to get the root. (__dentry_get_current_root): Remove, no longer needed. * testsuite/buildok/dentry.stp: Test that dentry's functions all build.
* PR11373 kludge: clean up testsuite/stap_*.ko upon 'make clean'Frank Ch. Eigler2010-03-122-0/+8
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* Fix the edge-case of MAXTRYLOCK=0Josh Stone2010-03-111-1/+7
| | | | | | | | | | | | | | | | | We didn't really have good semantics for what is meant by MAXTRYLOCK=0, so when skipped.exp tried it, we ended up locking the variable and then reporting a skip without ever unlocking it. This is now cleaning up the semantics such that MAXTRYLOCK defines how many times we should loop if the lock is busy. Thus MAXTRYLOCK=0 means we try only once and fail immediately. The testcase was accidentally creating contention due to the broken unlock behavior. We now have to try a bit harder to create real contention, so some lengthy delays are inserted to hoard the lock. * runtime/probe_lock.h (stp_probe_lock): Fix the skip behavior. * testsuite/systemtap.base/skipped.exp: Add a big udelay.
* PR11370: Add multi-header @castsJosh Stone2010-03-101-0/+3
| | | | | | | | | | Sometimes you need multiple headers to fully describe a type, so we now permit them to be listed together, e.g. "kernel<foo.h><bar.h>". * buildrun.cxx (make_typequery): Split the input string into a vector. (make_typequery_kmod, make_typequery_umod): Use the vector of headers. * testsuite/semok/cast.stp: Add a multi-header case. * stap.1.in, NEWS: Document it.
* Removed unneeded '-u' switch from 3 tests.David Smith2010-03-103-3/+3
| | | | | | | * testsuite/buildok/scheduler-test-tracepoints.stp: Removed unneeded '-u' option. * testsuite/buildok/vm.tracepoints.kmalloc.stp: Ditto. * testsuite/buildok/vm.tracepoints.stp: Ditto.
* PR11360: Make @defined and -L play niceJosh Stone2010-03-091-0/+18
| | | | | | | | | | | | | The constant-folding is now enabled for s.listing_mode_vars, despite all other optimizations being disabled. This is needed so we can prune any invalid branches that are gated by @defined. * elaborate.cxx (semantic_pass): Leave the optimization decision to the optimization passes themselves. (semantic_pass_optimize1): Predicate most optimizations, but enable the constant-folding for listing_mode_vars too. (semantic_pass_optimize2): Predicate all (1) optimizations. * testsuite/semok/defined_list_vars.stp: New test.
* Update tests to check for uprobes instead of utrace.David Smith2010-03-093-16/+17
| | | | | | | * testsuite/systemtap.context/uprobe_stmt_num.exp: Change utrace test to uprobes test. * testsuite/systemtap.context/uprobe_uaddr.exp: Ditto. * testsuite/systemtap.base/bz5274.exp: Ditto.
* PR 11338 (partial): Used '@defined()' in tty, scheduler, and vfs tapsets.David Smith2010-03-081-1/+1
| | | | | | | | | | * tapset/tty.stp: Used '@defined()' to remove kernel version checks. * tapset/scheduler.stp: Ditto. * tapset/vfs.stp: Used '@defined()' to remove kernel version checks. Also made several probe points optional instead of using kernel version checks to know when to include them. * testsuite/buildok/vfs_testcase.stp: Removed stap '-u' (unoptimized mode) switch, since '@defined()' doesn't work in unoptimized mode.
* new sample: varwatchFrank Ch. Eigler2010-03-077-48/+77
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* Move semko/nineteen.stp to semokJosh Stone2010-03-061-2/+1
| | | | | | | | | The *ko tests are for things that SHOULD fail, but semko/nineteen is a test that should pass but often doesn't (due to inline var trouble). It should be in semok to set the expectation properly. It does pass on F12 now, but if we want to silence the error for older gcc, setup_kfail is the right approach.
* Update example indices.William Cohen2010-03-054-0/+24
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* Add cmdline argument fetching for current process to context.stp tapset.Mark Wielaard2010-03-041-0/+4
| | | | | * tapset/context.stp: Add cmdline_str, cmdline_arg and cmdline_args. * testsuite/buildok/context_test.stp: Add tests for new functions.
* Filter the path of stap as called by the client and server.Dave Brolley2010-03-041-8/+13
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* Add task_stime_tid(), task_utime_tid() and task_time_string_tid() support.Mark Wielaard2010-03-031-0/+5
| | | | | | * tapset/task_time.stp: New functions task_stime_tid(), task_utime_tid() and task_time_string_tid(). * testsuite/buildok/task_test.stp: Add tests.
* Add documentation and tests for proc_mem_*_pid functions.Mark Wielaard2010-03-031-0/+9
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* PR11004: try / catch error-handling script syntaxFrank Ch. Eigler2010-03-033-0/+81
| | | | | | | | | | | | | | | * parse.h (try_block): New class. Update basic visitors. * staptree.cxx: Implement basic visitors. * parse.cxx (expect_kw): Fix to actually look for keywords. (parse_try_block): New function. (lexer ctor): Designate 'try' and 'catch' as keywords. * elaborate.cxx (dead_assignment_remover, dead_statmtexpr_remover): Optimize. (other visitors): Implement. * translate.cxx (c_unparser): Implement via super-handy __local__ labels. (emit_probe, emit_function): Make outer out: label also __local__. * testsuite/buildok/fortyone.stp, semko/fortynine.stp, systemtap.base/trycatch.exp: Test it. * NEWS, doc/langref.txt, stap.1.in: Document it.
* Squash elision warnings on synthetic functionsJosh Stone2010-02-261-0/+10
| | | | | | | | | | | | | | * staptree.h (functiondecl): Add a synthetic flag. * elaborate.cxx (semantic_pass_opt1): Don't warn about synthetic funcs. * tapsets.cxx (dwarf_var_expanding_visitor::visit_target_symbol): Mark the new function as synthetic. (dwarf_cast_expanding_visitor::visit_cast_op): Ditto. (tracepoint_var_expanding_visitor::visit_target_symbol_arg): Ditto. * tapset-perfmon.cxx (perfmon_var_expanding_visitor::visit_target_symbol): Ditto. * tapset-procfs.cxx (procfs_var_expanding_visitor::visit_target_symbol): Ditto. * testsuite/semok/thirtyeight.stp: New check with -W and @defined.
* PR11075: -W option to turn warnings into errorsFrank Ch. Eigler2010-02-252-0/+12
| | | | | | | | * session.h * NEWS: Discuss it. * main.cxx: Parse it. * session.h (num_errors): Provide it. * semok/fortyeight.stp, semok/thirtyseven.stp: Test it.
* Ensure that @defined()==1 goes the right wayJosh Stone2010-02-251-10/+10
| | | | | | | We need to poison the false case of valid "@defined(x)?x:y", so we know that the @defined is correctly leading to the true case only. * testsuite/semok/thirtysix.stp: poison false in valid cases.
* Expand @defined to support more casesJosh Stone2010-02-251-0/+13
| | | | | | | | * tapsets.cxx (var_expanding_visitor::visit_defined_op): If no error was raised or replacement made on a target_symbol, then its @defined state is still indeterminate. Some later pass (like @cast) might handle it. * elaborate.cxx (const_folder::visit_defined_op): Squash any escapees. * testsuite/semok/thirtysix.stp: Add more variants.
* PR11326: Make an early check for saved-return-$var validityJosh Stone2010-02-251-10/+0
| | | | | | | | | | We now check validity *before* the entry-probe is generated, so invalid $vars have a chance to be properly optimized without error. * tapsets.cxx (dwarf_var_expanding_visitor::visit_target_symbol_saved_return): Attempt variable expansion immediately, and skip out on failure. * testsuite/semok/thirtysix.stp: unblock the previously broken part.
* Fixed pr 10690 by adding '.maxsize(NNN)' procfs read probe parameter.David Smith2010-02-255-1/+301
| | | | | | | | | | | | | | | | | | | | | | * tapset-procfs.cxx (procfs_derived_probe::procfs_derived_probe): Added 'maxsize_val' initialization. (procfs_derived_probe::join_group): Updated '_stp_procfs_data' definition and added STP_PROCFS_BUFSIZE. (procfs_derived_probe_group::emit_module_decls): Emits structure to contain procfs file buffers. Initializes '.bufsize' structure member. (procfs_var_expanding_visitor::visit_target_symbol): Uses 'bufsize' for maximum buffer size instead of using MAXSTRINGLEN. (procfs_builder::build): Looks for '.maxsize(NNN)' parameter. (register_tapset_procfs): Added '.maxsize(NNN)' parameter binding. * runtime/procfs-probes.c (stap_procfs_probe): Converted 'buffer' to a pointer and added 'bufsize' member. * testsuite/semko/procfs13.stp: New testcase. * testsuite/semko/procfs14.stp: Ditto. * testsuite/semko/procfs15.stp: Ditto. * testsuite/systemtap.base/procfs_maxsize.exp: Ditto. * testsuite/systemtap.base/procfs.exp: Minor fix. * stapprobes.3stap.in: Added '.maxsize(NNN)' documentation. * stap.1.in: Added STP_PROCFS_BUFSIZE documentation.
* PR11224: added test case for module arguments in testsuite/systemtap.baseCharley Wang2010-02-252-0/+35
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* PR11005: @defined part 2: clarify/standardize internal handling of ↵Frank Ch. Eigler2010-02-252-16/+28
| | | | | | | | | | | | | | | | | unresolvable $variables * staptree.cxx (target_symbol::chain): New function. * staptree.h: Declare it. * (*): Use it instead of hand-chaining to target_symbol->saved_conversion_error. * tapset-mark.cxx (*::visit_target_symbol): Chain resolution error object, do not throw. * tapset-procfs.cxx (*::visit_target_symbol): Ditto. * tapset-utrace.cxx (*::visit_target_symbol): Ditto. * tapsets.cxx (*::visit_target_symbol): Ditto. (*::visit_defined_op): Explain & enforce the above. * testsuite/semok/thirtysix.stp: Expand. * testsuite/systemtap.base/sdt_misc.exp: Bonus fix: make work with blddir != srcdir.
* Permit chained unary operatorsJosh Stone2010-02-241-1/+7
| | | | | | | | The operand of a unary may be yet another unary. This is useful for things like boolean normalization, !!x. * parse.cxx (parser::parse_unary): Recurse the operand. * testsuite/parseok/eleven.stp: Add chained unary operators.
* Merge branch 'master' of ssh://sources.redhat.com/git/systemtapFrank Ch. Eigler2010-02-231-1/+20
|\ | | | | | | | | | | | | | | | | | | | | | | * 'master' of ssh://sources.redhat.com/git/systemtap: PR10719 part 1: Partial constant folding Simplify null_statement construction Fixed PR 11269 by properly handling mmap syscall 'fd' argument. Removed rvalue operator check. PR 10690 (partial fix). Handle '.=' operator in procfs probes. Conflicts: tapsets.h
| * Fixed PR 11269 by properly handling mmap syscall 'fd' argument.David Smith2010-02-231-1/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * testsuite/systemtap.syscall/mmap.c (main): Added mprotect and mremap testing (along with testing of anonymous maps). * tapset/i386/syscalls.stp: In mmap probes, handle the fact that the kernel gets an unsigned long 'fd', but the user-side passes a signed int. * tapset/i386/nd_syscalls.stp: Ditto. * tapset/ia64/syscalls.stp: Ditto. * tapset/powerpc/nd_syscalls.stp: Ditto. * tapset/powerpc/syscalls.stp: Ditto. * tapset/x86_64/nd_syscalls.stp: Ditto. * tapset/x86_64/syscalls.stp: Ditto.
* | PR11005: @defined($tvar) predicate, part 1Frank Ch. Eigler2010-02-231-0/+19
|/ | | | | | | | | | | | | | | | | | * staptree.h (defined_op): New class. * all files: Extend all visitors as appropriate, mostly dummy/pass-through implementation. * parse.cxx (parse_target_symbol): New function, factored out of parse_symbol(). (parse_define_op): New function. * NEWS: Mention it. * parse.h: Corresponding changes. * tapsets.cxx (var_expanding_visitor::visit_defined_op): Implement @defined() semantics. (dwarf_var_expanding_visitor::visit_target_symbol): Adjust. * tapset-utrace.c (visit_target_symbol_arg): Avoid crashes on $argZZZ. * tapsets.cxx (sdt_var_expanding_visitor): Ditto. * semok/thirtysix.stp: New test.
* Prevent accidental global cleanup triggering for syscall test.tcl.Mark Wielaard2010-02-222-34/+34
| | | | | | | | | | | Later tests might trigger a cleanup and might set the global dir variable leading to the syscall test.tcl trying to do an exec rm -rf on whatever dir was set. So rename proc cleanup and global dir in syscall test.tcl to something a bit less likely to clash. * testsuite/systemtap.syscall/test.tcl: Rename proc cleanup to syscall_cleanup and global dir to syscall_dir. * testsuite/systemtap.syscall/test-debug.tcl: Likewise.
* Tweak shared attach sdt test.Stan Cox2010-02-211-40/+70
| | | | * sdt_misc.exp: Make all semaphore references from the .so
* Make unprivilegedok/one.stp compatible with vanilla kernelWenji Huang2010-02-211-1/+1
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* Add explicit timeout to overflow_error testWenji Huang2010-02-211-0/+1
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* PR11208: glue adjacent string literals together.Frank Ch. Eigler2010-02-192-0/+12
| | | | | * parse.cxx (lexer::scan): Glue adjacent strings together. * testsuite/parseko/twentyseven.stp, semok/thirtyfive.stp: New tests.
* Allow CONFIG_foo COMPARISON-OP CONFIG_bar in preprocessor conditionals.Mark Wielaard2010-02-191-0/+17
| | | | | | | * parse.cxx (eval_pp_conditional): If rhs and lhs are both CONFIG_... identifiers try to convert them both to numbers or otherwise threat them both as strings for eval_comparison. * testsuite/semok/config_config.stp: New test.
* Allow CONFIG_foo COMPARISON-OP number in preprocessor conditionals.Mark Wielaard2010-02-191-0/+20
| | | | | | * parse.cxx (eval_pp_conditional): Handle r->type == tok_number when l->type == tok_identifier. * testsuite/semok/config_number.stp: New test.
* PR11296: switch to "sys/sdt.h" in test casesFrank Ch. Eigler2010-02-1814-18/+18
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* PR11277: Use consistent octal in quoted stringsJosh Stone2010-02-162-23/+23
| | | | | | | | | | Previously, our octal escapes used variable lengths, which can lead to ambiguities. Also, 8-bit characters would only output the least digit. * runtime/string.c (_stp_text_str): Always output 3-digit octal escapes, and handle 8-bit chars more gracefully. * testsuite/systemtap.string/text_str.stp: Include an 8-bit character. * testsuite/systemtap.string/text_str.exp: Above + expect 3-digit octal.
* Don't try to parallel install partial build-elfutils build in lib-elfutils.Mark Wielaard2010-02-163-670/+737
| | | | | | | | | | | | | | | | | | | The parallel install into lib-elfutils during the build seems to be fragile, so explicitly install the libs with -j1. * Makefile.am (stamp-elfutils): Add -j1 in for dir loop sub make. * Makefile.in: Regenerated. * aclocal.m4: Likewise. * compile: Likewise. * config.in: Likewise. * configure: Likewise. * doc/Makefile.in: Likewise. * doc/SystemTap_Tapset_Reference/Makefile.in: Likewise. * doc/beginners/Makefile.in: Likewise. * grapher/Makefile.in: Likewise. * testsuite/Makefile.in: Likewise. * testsuite/aclocal.m4: Likewise. * testsuite/configure: Likewise.
* Merge branch 'master' of ssh://sources.redhat.com/git/systemtapDave Brolley2010-02-1511-59/+185
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| * Test for sendfile syscall can handle non-socket fds now.Mark Wielaard2010-02-131-4/+4
| | | | | | | | | | | | | | | | Since 2.6.33 sendfile can handle non-socket fds, so make the test handle both success and failure. * testsuite/systemtap.syscall/sendfile.c (main): Make buffer 22 bytes, since 22 == EINVAL, test for 22 bytes send or -22 failure.
| * PR11105 part 2: tighten constraints on stap-server parameters passed to makeFrank Ch. Eigler2010-02-122-36/+37
| | | | | | | | | | | | | | * util.h, util.cxx (assert_match_regexp): New function. * main.cxx (main): Constrain -R, -r, -a, -D, -S, -q, -B flags. * stap-serverd (listen): Harden stap-server-connect with ulimit/loop. * testsuite/systemtap.server/{client,server}_args.exp: Revised.
| * Add simple test for PR10257 (sprint(@hist_linear)).Przemysław Pawełczyk2010-02-112-0/+18
| | | | | | | | | | | | | | | | | | | | Test is simple, because print and sprint uses the same code for handling @hist_* and it is not intended for playing with MAXSTRINGLEN, which is required anyway for bigger histograms (the one generated here consists of only 127 characters). When PR10690 (need way to produce bigger procfs output) will be fixed, then we should add another test for both PRs with normal histogram.
| * Fixed PR 11270 by adding nd_syscall testcase.David Smith2010-02-104-2/+99
| | | | | | | | | | | | | | | | | | | | * testsuite/systemtap.syscall/test.tcl: Now uses global variable 'test_script' to find test script to run. * testsuite/systemtap.syscall/syscall.exp: Sets test_script. * testsuite/systemtap.syscall/nd_sys.stp: New test script. Copy of sys.stp, but uses nd_syscall probes. * testsuite/systemtap.syscall/nd_syscall.exp: New testcase. Copy of syscall.exp, but uses nd_sys.stp test script.
| * Fix tcl.exp initialization bugStan Cox2010-02-091-0/+1
| | | | | | | | tcl.exp: Initialize xok
| * Fixed BZ559643 by doing 'spawn;expect;wait' instead of 'spawn;wait;expect'.David Smith2010-02-081-17/+26
| | | | | | | | | | | | * testsuite/systemtap.base/labels.exp: Corrected order of 'spawn;expect;wait' calls. Added 'wait' calls when needed. Also, doesn't run the "labels exe .label" test if uprobes isn't supported.
* | Rework identification of probes allowed for unprivileged users.Dave Brolley2010-02-1510-4/+59
|/ | | | | | | - Bind unprivileged permission at probe registration time. - Remove check_unprivileged filter from derived_probe_builder and its children. - Add test suites for unprivilegedok and unprivilegedko.
* Define empty function for tcpmib testWenji Huang2010-02-081-0/+8
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* Fix test case tcpmib-all-probes.stpWenji Huang2010-02-081-6/+1
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* Added backports required for 2.6.18 kernel for RHEL 5.David J. Wilder2010-02-052-4/+37
| | | | | | | Files changed: tapset/ipmib.stp, tapset.tcpmib.stp, testsuite/systemtap.examples/network/tcpipstat.stp, testsuite/systemtap.examples/network/tcp_trace.stp Signed-of-by: David Wilder <dwilder@us.ibm.com>
* Use SYSTEMTAP_INCLUDES for systemtap.apps tests.Stan Cox2010-02-052-2/+2
| | | | | * mysql.exp: Use SYSTEM_INCLUDES. * postgres.exp: Likewise.
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