[ol8_UEKR6] dtrace-devel-2.0.0-1.14.el8.x86_64

Headers and libraries to develop DTrace applications.

You do not need this package merely to compile providers and probe points into
applications that will be probed by dtrace, but rather when developing
replacements for dtrace(1) itself.

Changelog (Show File list) (Show related packages)

• Tue Mar 05 2024 Kris Van Hees <kris.van.hees@oracle.com> - 2.0.0-1.14

  - Implement provider: io.  (Eugene Loh, Kris Van Hees)
  - Implement actions: print().  (Alan Maguire)
  - Implement subroutines: link_ntop(), cleanpath().  (Eugene Loh)
  - Implement options: -xcpu, -xaggpercpu.  (Eugene Loh)
  - Improve providers: pid (offset-based probes) and rawtp (arg info).
  - Improve options: -xlockmem (improve default).  (Eugene Loh)
  - Ensure USDT probes can survive dtprobed restarts.  (Nick Alcock)
  - Improve USDT probe creation/deletion.  (Nick Alcock)
  - Improve support for DTrace with upstream kernels.  (Nick Alcock)
  - Improve support for compiling DTrace in older environments.  (Kris Van Hees)
  - Add support for aggregations of stacks.  (Eugene Loh)
  - Improve lexer parsing (top-level wildcard ambiguities and `numerals).
    (Nick Alcock)
  - Fix END probe execution with multiple tracers.  (Nick Alcock)
  - Preemptive BPF program execution for DTrace probes is not allowed.
  - Buffer overrun fix for systems with non-sequential online CPU ids.
    (Kris Van Hees, Nick Alcock) [Orabug: 36356681]
  - Various bug fixes.  (Nick Alcock, Eugene Loh, Kris Van Hees)
  - Various testsuite fixes and improvements.
    (Nick Alcock, Eugene Loh, Kris Van Hees)
  - Various code improvements.  (Nick Alcock, Eugene Loh, Kris Van Hees)
    [Orabug: 36329725]

• Thu Nov 09 2023 Kris Van Hees <kris.van.hees@oracle.com> - 2.0.0-1.13.2

  - Support using DTrace with upstream kernels.
  - Implement provider: ip.
  - Implement actions: trunc(), pcap().
  - Implement subroutines: inet_ntoa6().
  - Implement subroutines: inet_ntop(). (Eugene Loh)
  - Support modules.builtin.ranges for builtin module-symbol association.
  - Provide a BTF-to-CTF convertor to provide (limited) kernel type information
    when CTF is not available.
  - Remove dependency on waitfd(). (Nick Alcock)
  - Various testsuite fixes and improvements.
    (Nick Alcock, Eugene Loh, Kris Van Hees)
  - Various code improvements. (Nick Alcock, Eugene Loh, Kris Van Hees)

• Wed Jun 07 2023 Kris Van Hees <kris.van.hees@oracle.com> - 2.0.0-1.13.1

  - Restart dtprobed when upgrading DTrace.
  - Report and clean up orphaned tracing events after each test.

• Fri May 26 2023 Kris Van Hees <kris.van.hees@oracle.com> - 2.0.0-1.13

  - Full support for is-enabled USDT probes. (Nick Alcock)
  - Report error on programs that exceed aggsize or dynvarsize.
  - Support for drop counters for principal, speculation, and aggregation buffers
    and for dynamic variables.
  - Implement probe: proc:::signal-clear.
  - Implement provider: sched (partial implementation).
  - Implement provider: lockstat (for kernels >= 5.10.0 and UEK6 with fix).
  - Support NULL strings. (Eugene Loh)
  - Support uregs[] on older kernels. (Eugene Loh)
  - New option: lonknommap. (Nick Alcock)
  - Support for USDT probes in programs in different fs namespaces. (Nick Alcock)
  - Support for USDT probes in non-PIE executables. (Nick Alcock)
  - Fix dtprobed to support DOF that exceeds 64KiB. (Nick Alcock)
    [Orabug: 35411920]
  - Do not modify input files with dtrace -G if unchanged. (Steven Sistare)
    [Orbug: 35417184]
  - Various testsuite fixes and improvements.
    (Nick Alcock, Eugene Loh, Kris Van Hees) [Orabug: 35435195]
  - Various code improvements.  (Nick Alcock, Eugene Loh, Kris Van Hees)
    [Orabug: 35435195]

• Mon Feb 27 2023 Kris Van Hees <kris.van.hees@oracle.com> - 2.0.0-1.12

  - Fix evaluation order of bcopy() arguments and lift non-alloca restriction
    on the source address. (Eugene Loh, Kris Van Hees)
  - Implement actions: clear(), tracemem(). (Kris Van Hees, Eugene Loh)
  - Implement subroutines: copyout(), copyinstr(). (Kris Van Hees, Eugene Loh)
  - Implement options: switchrate, aggrate.
  - Implement provider: cpc. (Eugene Loh)
  - Implement provider: proc.
  - Implement built-in variable: uregs. (Eugene Loh)
  - Increase strtab maximum size.
  - Support using indirect load instructions for pointers to alloca()'d and
    DTrace managed memory. (Kris Van Hees, Eugene Loh)
  - Fix arg0 and arg1 for profile-* and tick-* probes. (Eugene Loh)
  - Implement runtime bounds checking for scalar array access. (Eugene Loh)
  - Updated manpage and moved to dtrace.8.
  - Support arbitrary address pointers for basename(), dirname(), strchr(),
    strrchr(), and inet_ntoa(). (Eugene Loh) [Orabug: 34857846]
  - Add runtime bounds checking for scalar array access. (Eugene Loh)
    [Orabug: 35045463]
  - Various testsuite fixes and improvements. [Orabug: 34829509]
  - Various code improvements. [Orabug: 34829509]

• Tue Nov 08 2022 Kris Van Hees <kris.van.hees@oracle.com> - 2.0.0-1.11.1

  - Support both libfuse 2 and libfuse 3.

• Fri Oct 28 2022 Kris Van Hees <kris.van.hees@oracle.com> - 2.0.0-1.11

  - Add initial support for USDT. (Nick Alcock, Kris Van Hees)
  - Add support for aggregation keys. (Eugene Loh, Kris Van Hees)
  - Add support for copyin(), copyinto(), and copyinstr().
  - Add support for built-in variable args[] and sdt probe arg types.
  - Fix arg handling for various probes. (Eugene Loh)
  - Add basic support for setopt().
  - Add -xlockmem, with useful error message. (Eugene Loh)
  - Fix -xverbose, -xcpp, and -xctfpath
  - Fix handling of multiple args after --. (Nick Alcock)
  - Have the pid provider ignore compiler-generated internal function names.
  - Fix various bugs with typecasting and internal integer storage. (Eugene Loh)
  - Fix access to scalars in kernel space.
  - Fix libproc search of rtld_global due to glibc changes. (Nick Alcock)
    [Orabug: 32856318]
  - Truly decouple per-CPU BPF agg maps with a "map of maps."
  - Unused dual aggregation copies (DT_AGG_NUM_COPIES) have been removed.
    (Eugene Loh)
  - Various testsuite fixes and improvements. [Orabug: 34251899]
  - Various code improvements. [Orabug: 34251899]

• Tue Apr 26 2022 Kris Van Hees <kris.van.hees@oracle.com> - 2.0.0-1.10

  - Add support for associative arrays.
  - Add support for allcoa() and bcopy(). (Nick Alcock)
  - Add support for inet_ntoa(), progenyof(), getmajor(), getminor(),
    mutex_owned(), mutex_owner(), mutex_type_adaptive(), mutex_type_spin(),
    rw_read_held(), rw_write_held(), and rw_iswriter(). (Eugene Loh)
  - Improved fault handling. (Nick Alcock, Kris Van Hees)
  - Various disassembler improvements, esp. annotations.
  - Strings are no longer stored using a length prefix.
  - The trace() action now supports arrays, structs, and unions.
  - Various testsuite fixes and improvements. [Orabug: 34112342]
  - Various code improvements. [Orabug: 34112342]

• Mon Jan 31 2022 Kris Van Hees <kris.van.hees@oracle.com> - 2.0.0-1.9.1

  - Add support for UEK7. [Orabug: 33806867]

• Wed Dec 08 2021 Kris Van Hees <kris.van.hees@oracle.com> - 2.0.0-1.9

  - Add support for strtok(). (Eugene Loh)
  - Implement TLS (thread-local storage) variables.
  - Add support for basename(), dirname(). (Eugene Loh)
  - Generic hash table improvements and consistent use of htabs. (Nick Alcock)
  - CTF improvements in view of better kernel support. (Nick Alcock)
  - Add support for ftruncate(). (Eugene Loh)
  - Add support for rand(). (Eugene Loh)
  - Fix string constant handling for strings longer than strsize.
  - Optimization of substr(), strjoin(), and storing strings in the trace buffer.
  - Various string handling fixes and improvements. (Eugene Loh, Kris Van Hees)
    [Orabug: 33651682]
  - Various testsuite fixes and improvements. [Orabug: 33651682]
  - Various code improvements. [Orabug: 33651682]