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* Minor corrections to inode-watch.stp example.William Cohen2010-03-121-2/+2
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* Get d_path's root natively with @castJosh Stone2010-03-122-15/+9
| | | | | | | | | | | 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.
* Make the stap-prep script available in the RPM.William Cohen2010-03-122-0/+4
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* Revert "Make stap-prep script available in the RPM"William Cohen2010-03-122-4/+0
| | | | This reverts commit da3dfc346ff926f0f1bdd2872fe4f5f8e920953a.
* Make stap-prep script available in the RPMWilliam Cohen2010-03-122-0/+4
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* PR11373 kludge: clean up testsuite/stap_*.ko upon 'make clean'Frank Ch. Eigler2010-03-122-0/+8
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* langref.tex editingWilliam Cohen2010-03-121-228/+283
| | | | | | | | | | | | Reviewed the language reference manual and made editing changes: -Reorderd sections for better grouping -Added description of the @defined operation -Corrected limits for MAXSTRENLEN and number of indices in associate array -Adjusted language in aggregates section -Corrected @hist example writeup. -Make output for @hist avoid page breaks -Updated information about manpages in "For Futher References" section
* smileytap logo: inserted GPLv2 RDF tagFrank Ch. Eigler2010-03-121-2/+26
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* Add startswith/endswith helpersJosh Stone2010-03-118-26/+40
| | | | | Inspired by the Python equivalents, these new utility functions just make it a little cleaner to match at the beginning or end of a string.
* Fix the edge-case of MAXTRYLOCK=0Josh Stone2010-03-112-14/+24
| | | | | | | | | | | | | | | | | 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.
* Fix proc_mem.stp for RHEL5.David Smith2010-03-111-1/+1
| | | | | * tapset/proc_mem.stp: Move header file so that it will compile on RHEL5 systems.
* Revoke unprivileged from ftrace()Josh Stone2010-03-111-4/+2
| | | | | | | | It's writing into a system-wide resource, so it shouldn't be permitted to just anyone. Also remove the printk fallback that isn't actually functional. * tapset/logging.stp (ftrace): Remove unprivileged and printk.
* Update tapset proc_mem for 2.6.34Wenji Huang2010-03-111-0/+32
| | | | | * tapset/proc_mem.stp(_stp_get_mm_counter_file_rss, _stp_get_mm_counter_anon_rss): Use embedded function.
* PR11370: Add multi-header @castsJosh Stone2010-03-104-19/+39
| | | | | | | | | | 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.
* Revert "Remove unnecessary embedded-c function __dentry_get_current_root()."Mark Wielaard2010-03-101-1/+15
| | | | | This reverts commit 5ab0b1b6c4d3a7f1ea156835a32000669e378886. Wrongly pushed commit.
* Be pessimistic about the gcc version as debuginfo has an undependable case ↵Stan Cox2010-03-102-2/+2
| | | | | | (RH572260). * sdt.h (GNUC_VERSION): Check against gcc 4.5.0
* PR 11210 move stapprobe.* man pages to tapset::*William Cohen2010-03-102-23/+9
| | | | | | make on RHEL-5 and earlier cannot deal with the :: in the man page names. This work around uses the install-data-local rule to install the manpages to avoid confusing the older versions of make.
* 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.
* sdt.h: rename volatile-control macro to STAP_SDT_VOLATILE. Document in NEWS.Frank Ch. Eigler2010-03-102-60/+64
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* PR11366 Always call semantic_pass_const_fold.Mark Wielaard2010-03-101-2/+3
| | | | | | | | | Even in unoptimized mode we want constant folding to work to make sure non-existing $variable expressions (detected through @defined) aren't included. * elaborate.cxx (semantic_pass_optimize1): Call semantic_pass_const_fold() unconditionally.
* Remove unnecessary embedded-c function __dentry_get_current_root().Mark Wielaard2010-03-101-15/+1
| | | | | * tapset/dentry.stp: Removed embedded-c include and function __dentry_get_current_root(). Use task_current and @cast in d_path().
* tapset/task.stp remove redundant extra @defined in task_cpu().Mark Wielaard2010-03-101-2/+2
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* Use exported print_context_stack for 2.6.33Wenji Huang2010-03-101-13/+2
| | | | | * runtime/stack.c(print_stack_ops): Use print_context_stack and adjust version code.
* NEWS: mention man page renamesFrank Ch. Eigler2010-03-091-0/+4
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* PR 11210 move stapprobe.* man pages to tapset::*William Cohen2010-03-0919-119/+68
| | | | | Complete the renaming scheme with prefix of "tapset::" for the man pages related to over all description of groups of probes.
* PR11360: Make @defined and -L play niceJosh Stone2010-03-092-9/+35
| | | | | | | | | | | | | 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.
* Include __GNUC_RH_RELEASE__ in the volatile check.Stan Cox2010-03-092-4/+7
| | | | sdt.h (GNUC_VERSION) Include __GNUC_RH_RELEASE__. Check for at least gcc 4.4.4
* PR 11338 (partial): Used '@defined()' in task, dentry, and scsi tapsets.David Smith2010-03-093-20/+13
| | | | | | * tapset/task.stp: Used '@defined()' to remove kernel version checks. * tapset/dentry.stp: Ditto. * tapset/scsi.stp: Ditto.
* 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.
* Check the gcc version using polynomial representation.Stan Cox2010-03-092-1/+5
| | | | * sdt.h (GNUC_VERSION): New.
* Fix PR 11363 by using logrotate to ensure logfile doesn't grow too large.David Smith2010-03-092-4/+16
| | | | | | | | * initscript/logrotate.stap-server: Add logrotate config file to make sure stap-server logfile doesn't grow too large. * systemtap.spec: Install logrotate config file. Also follow <https://fedoraproject.org/wiki/PackagingDrafts/Logfiles> to correctly create the logfile.
* Improved PR 11309 by fixing directory and file permissions.David Smith2010-03-091-2/+3
| | | | | * systemtap.spec: Fixed directory and file permissions on /usr/share/systemtap/runtime/uprobes and /var/log/stap-server.
* PR 11210 Eliminate man page collisionsWilliam Cohen2010-03-091-4/+4
| | | | | | | The various man pages for each systemtap probe and function are prepended with "probe::" and "function::" respectively to avoid collisions with other man3 pages with the same name. For example systemtap's strlen function was colliding with glibc's strlen function.
* Only use volatile for sdt.h arguments when needed.Stan Cox2010-03-091-55/+61
| | | | | sdt.h (VOLATILE_ARG): gcc 4.4.3 support for inline asm argument debug info means volatile is not needed.
* build: re-enable librpm checkingFrank Ch. Eigler2010-03-083-6/+19
| | | | | | * configure.ac: With AC_CHECK_LIB()'s four-parameter variant, the default AC_DEFINE etc. is removed, so restore the key parts by hand.
* typo 7754 -> 775Dave Brolley2010-03-081-1/+1
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* PRs 11205, 11309: Specfile problems for stap-server:Dave Brolley2010-03-087-30/+33
| | | | | | | | - Use assigned gid/uid of 155/155 for stap-server. - Create stap-server group in main systemtap rpm. - Make uprobes runtime directory read/write/search by members of stap-server group in main systemtap rpm. - Keep stap-server log in %{_localstatedir}/log/stap-server/log
* PR 11338 (partial): Used '@defined()' in tty, scheduler, and vfs tapsets.David Smith2010-03-084-89/+39
| | | | | | | | | | * 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.
* docs: clarify that only -> is used for $var dereferencing, not .Frank Ch. Eigler2010-03-082-4/+22
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* 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.
* PR11352: Assign tokens to all SDT-synthesized elementsJosh Stone2010-03-062-12/+20
| | | | | | | * tapsets.cxx (sdt_query::convert_probe): Fix a few missing tokens. (sdt_var_expanding_visitor::visit_target_symbol): Ditto. * translate.cxx (c_unparser::record_actions): Add a defensive check, which perhaps someday can be an assertion instead.
* PR11342: Ensure that last_stmt is always setJosh Stone2010-03-051-30/+45
| | | | | | | | | | | * translate.cxx (c_unparser::record_actions): Take a token to fill in last_stmt for MAXACTION errors. (c_unparser::*): Pass a token to record_actions. (c_unparser::visit_try_block): The try/catch blocks are also basic blocks, so they should flush record_actions when done. (c_unparser_assignment::c_assignop): Set last_stmt for /= and %=. (c_unparser::visit_foreach_loop): Set last_stmt for agg. overflow. (c_unparser::visit_print_format): Set last_stmt for %m errors.
* Make sure synthesized var display is tokenfulJosh Stone2010-03-051-11/+14
| | | | * elaborate.cxx (add_global_var_display): Assign a few token*s.
* Merge branch 'master' of ssh://sources.redhat.com/git/systemtapDavid Smith2010-03-054-0/+24
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| * Update example indices.William Cohen2010-03-054-0/+24
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* | Improved 'mm_struct' casting for RHEL5.David Smith2010-03-052-11/+11
|/ | | | | | | | * tapset/context.stp: Improved casting to 'mm_struct' on RHEL5 by changing the header file referenced from '<linux/mm_types.h>' to '<linux/sched.h>' (since mm_types.h doesn't exist on RHEL5). On newer kernels, sched.h includes mm_types.h. * tapset/proc_mem.stp: Ditto.
* PR 11338 (partial): Used '@defined()' in syscall tapsets.David Smith2010-03-056-225/+100
| | | | | | | | | | * tapset/syscalls.stp: Used '@defined()' to remove kernel version checks. * tapset/syscalls2.stp: Ditto. * tapset/x86_64/syscalls.stp: Ditto. * tapset/nd_syscalls.stp: Updated to match tapset/syscalls.stp. * tapset/nd_syscalls2.stp: Updated to match tapset/syscalls2.stp. * tapset/x86_64/nd_syscalls.stp: Updated to match tapset/x86_64/syscalls.stp.
* Remove unneeded embedded-c include block from tapset/udp.stp.Mark Wielaard2010-03-051-6/+0
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* PR11346: Make @defined() independent of --skip-badvarsJosh Stone2010-03-041-3/+3
| | | | | * tapsets.cxx (dwarf_var_expanding_visitor::visit_target_symbol): Don't squash target_symbol errors in the operand of @defined().
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