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* PR10032: Trigger cleanup after relay thread errorsJosh Stone2009-04-032-10/+25
| | | | | | When the relay threads encounter an error, they now send SIGTERM to the rest of the process before the thread exit, so we get a clean shutdown. For EPIPE in particular, error messages are also suppressed.
* Really fix run-stap this time, I promise!Josh Stone2009-04-021-1/+14
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* Fix strftime format bugMasami Hiramatsu2009-04-021-3/+6
| | | | | This fixes bugs in strftime-subset function. This modifies %C, %l and %j to fit the output of date command.
* Fix a bug in file size limitation code.Masami Hiramatsu2009-04-022-3/+3
| | | | | | | | | This fixes a bug in stapio, which checks written data size and switches new file when it exceeds a limit. The problem is that written-data-size counter ignores the first written-data size when switching files. So, actual file size always exceeds the limit. This changes stapio to initialize written-data-size counter with the size of the data which will be written in new file.
* Fix for CVE-2009-0784: stapusr module-path checking raceFrank Ch. Eigler2009-03-251-0/+9
| | | | | * runtime/staprun/staprun_funcs.c (check_path): Save fully canonicalized and checked module path for later loading.
* PR9821: staprun supports subset of strftime.Masami Hiramatsu2009-03-204-32/+232
| | | | | Add strftime subset format support for output file name to systemtap. This format will be evaluated when opening a new output file.
* PR6930: stapio: support file switchingMasami Hiramatsu2009-03-205-17/+195
| | | | | | | | | | | | | | | Add file-switching option(-S size[,N]) to stapio. This option has two arguments, 'size' and 'N', and requires -o option. - When the size of output file exceeds specified 'size'MB, staprun switches output file to the next file. For this purpose, all output file has a serial number as a suffix only when user specifies this option. - Using this option in bulk mode, the output file name will be 'FILE_cpuX.SERIAL'. - When the number of files exceeds specified N, staprun removes the oldest file. This argument can be omitted.
* PR6930: stapio: run in background as a daemonMasami Hiramatsu2009-03-203-4/+84
| | | | | | | Add '-D'(daemon mode) option to staprun/stapio for daemon mode. In this mode, stapio shows just its pid and detachs from console. Since it has no stdio, this mode requires -o option. stapio will exit when it receives SIGTERM or detects some error.
* PR6930: staprun: supports error message to syslogMasami Hiramatsu2009-03-203-8/+33
| | | | | Add an interface (eprintf) to output error messages to syslogd, because staprun has no stderr after detaching from console.
* PR9947: move runtime cleanup out of the work queueJosh Stone2009-03-131-0/+8
| | | | | | | | | | | | The kernel lockdep checking found a possible deadlock if a forced rmmod tried to destroy _stp_work_queue at the same time that the work queue was unregistering tracepoints. An unlikely scenario, but still possible. Now the work queue will just issue a STP_REQUEST_EXIT down to usermode, and usermode will echo back an STP_EXIT that triggers the actual probe cleanup. This way the unregistrations are happening in exactly the same context as the registrations were.
* Kill all ChangeLogsJosh Stone2009-02-191-910/+0
| | | | | | 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.
* 2009-01-28 David Smith <dsmith@redhat.com>David Smith2009-01-282-0/+53
| | | | | | PR9788 * mainloop.c (cleanup_and_exit): Added workaround for bug 9788 by fork'ing/exec'ing staprun.
* Pick up --prefix dependency usage in config.h.Mark Wielaard2009-01-112-0/+7
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* PR7082: support non-setuid use of $SYSTEMTAP_RUNTIME to find uprobes.koFrank Ch. Eigler2008-12-092-4/+17
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* PR7063: honor SYSTEMTAP_STAPRUN and SYSTEMTAP_STAPIO environment variablesRoland McGrath2008-12-033-53/+77
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* PR6925: tolerate modules left over from previous crashed? stap sessionsFrank Ch. Eigler2008-12-032-2/+18
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* PR4783: remove traces of stap{run,io} self-renicingFrank Ch. Eigler2008-11-283-6/+7
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* PR6964: configurably revert to signal-based "stap -c CMD" startup ↵Frank Ch. Eigler2008-11-122-29/+69
| | | | synchronization
* PR6964: temporary workaround for fedora utrace kernel bug 467568Wenji Huang2008-10-282-0/+25
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* BZ467652: support old-style stap -c "FOO > BAR" usage by backing down to ↵Frank Ch. Eigler2008-10-231-7/+27
| | | | sh -c if needed.
* fix wordexp error handling, for invalid shell-like stap -c "command > file"Frank Ch. Eigler2008-10-152-3/+13
| | | | Reported-By: Wade Mealing <wmealing@redhat.com>
* PR4886: check build-id if able.Wenji Huang2008-10-061-0/+5
| | | | This provides sanity check of debuginfo file based on build-id. Many cases are considered, whether build-id exists in debuginfo file or not, whether module is loaded or not, whether build-id exists in runtime kernel/module. It will do work when LD >= 2.18 and kernel >=2.6.23, otherwise no check.
* Fix PR 6903 by checking for the real uid, not the euid.David Smith2008-09-182-1/+7
| | | | | | | | 2008-09-18 David Smith <dsmith@redhat.com> PR 6903. * staprun_funcs.c (check_permissions): Instead of checking the effective uid, check the real uid for root permissions.
* PR6445: documentation, mopping upFrank Ch. Eigler2008-09-061-0/+5
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* "stap -c" cleanup part 2 - use wordexp / execvp instead of "sh -c" to ↵Frank Ch. Eigler2008-09-061-28/+30
| | | | execute cmd string
* task_finder <-> target_pid coupling; staprun/target_cmd fork under ptrace ↵Frank Ch. Eigler2008-09-051-298/+328
| | | | control
* remove capabilities logic, cont'dFrank Ch. Eigler2008-09-054-91/+73
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* remove capability logicFrank Ch. Eigler2008-09-051-166/+0
| | | | | It was only barely beneficial anyway, since some crucial capabilities were never permanently dropped.
* PR6736: changelogs for post-merge compiled unwind/symbols data reorganizationFrank Ch. Eigler2008-07-101-0/+9
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* pass /sys/module/*/sections/* addresses to the kernel module tooFrank Ch. Eigler2008-07-071-7/+83
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* emit all symbol tables at compile time; don't do any module munging; new ↵Frank Ch. Eigler2008-07-041-1/+2
| | | | unwinder still disabled
* transport/symbol rework: kernel-only probes workingFrank Ch. Eigler2008-06-293-4/+14
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* STP_RELOCATE message for kernel relocatability (re)adaption, starting ↵Frank Ch. Eigler2008-06-294-23/+128
| | | | implementation
* PR6429: remove unused fileFrank Ch. Eigler2008-06-031-97/+0
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* PR6429: remove stapio STP_UNWIND support and associated elfutils dependencyFrank Ch. Eigler2008-06-032-12/+5
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* More signal cleanup.Martin Hunt2008-05-052-9/+6
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* Fix problem handling SIG_CHLDMartin Hunt2008-05-052-2/+19
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* Cleanup signal handling for staprun.Martin Hunt2008-05-052-46/+77
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* PR6008: Increase the limitation of the buffer size to 4095MB.Masami Hiramatsu2008-04-302-3/+10
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* PR5645: Fix sub-buffer size calculation and debug messages.Masami Hiramatsu2008-04-303-2/+7
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* PR6451: avoid one class of staprun shutdown deadlock (module/.ctl filehandle ↵Frank Ch. Eigler2008-04-243-3/+9
| | | | = 0)
* Allow staprun to run on kernels without capabilities configured.Martin Hunt2008-04-225-40/+52
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* Move send_request out of common.c because staprun no longer sends anything.Martin Hunt2008-04-224-27/+32
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* Add documentation for staprun -d option.Martin Hunt2008-04-222-0/+7
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* Change staprun to exec stapio. Add "-d" option to staprun.Martin Hunt2008-04-219-486/+153
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* rebased unwind_branch on top of current masterFrank Ch. Eigler2008-03-255-172/+182
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* 2008-02-27 Martin Hunt <hunt@redhat.com>hunt2008-02-271-3/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | * sym.h (_stp_module): Add text_size, lock, and unwind data pointer. * sym.c (_stp_find_module_by_addr): New function. (_stp_kallsyms_lookup): Call _stp_find_module_by_addr(). (_stp_get_unwind_info): New. * runtime.h: Move debug macros to debug.h. Include it. * debug.h: New file. * map.c: Update debug calls. * map-gen.c: Update debug calls. * pmap-gen.c: Update debug calls. * mempool.c: New file. * symbols.c: Use rwlocks. Use new dbug macros. Handle unwind info if present. * transport.c: Include mempool.c. Update dbug and kbug calls to new macros. * transport_msgs.h (_stp_command_name): Add struct containing message names for debugging. * control.c, procfs.c: Use new dbug macros. Use new mempool functions.
* 2008-02-21 David Smith <dsmith@redhat.com>dsmith2008-02-212-3/+17
| | | | * staprun_funcs.c (check_path): Small security fix.
* Print out more descriptive error messages on non-root systemtap invocationananth2008-02-041-2/+9
| | | | Thanks to Jim for fixing typos and grammar.
* Fix last checkin.hunt2008-01-211-77/+4
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