* [ANNOUNCE] trace-cmd v3.2 is released
@ 2023-06-07 23:25 Steven Rostedt
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From: Steven Rostedt @ 2023-06-07 23:25 UTC (permalink / raw)
To: Linux Trace Devel, linux-trace-users, Linux Trace Kernel
https://git.kernel.org/pub/scm/utils/trace-cmd/trace-cmd.git/tag/?h=trace-cmd-v3.2
trace-cmd: Version 3.2
Features and user visible updates since 3.1.6
- Open coded the execvp() to not start tracing until the actual path of the
executable is found. The trace no longer contains the failed execs of
execvp() trying various paths.
- Add global filter support to trace-cmd read. If the -F filter is placed
before any -i file, it will be applied to all files. Otherwise the -F filter
will only be applied to the last file specified.
- Added new "attach" command that can take a trace.dat file created from the host
at the same time a trace.dat file was created on one of its guests, and be
able to set the meta data to hook them together like if it was done via
trace-cmd agent. This is useful for boot time tracing.
Fixes since 3.1.6
- Fix the way filters were applied to trace-cmd report with multiple trace.dat
files.
- Fixed trace-cmd extract to not extract the top level buffer unless
specifically asked to. That is, "trace-cmd extract -B foo" will only extract
the data from foo and not the top level buffer.
- Fixed record and extract to not destroy specified instances if they were not
created by the record or extract.
- Add memory (valgrind) testing to utest.
- Add meson build support (although it's not the default yet).
https://git.kernel.org/pub/scm/utils/trace-cmd/trace-cmd.git/
Enjoy!
-- Steve
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