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443b0636ea
Instead of calling a useless (and broken) helper function to get the next event of a tep event array, just get the array directly and iterate over it. Note, the broken part was from trace_find_next_event() which after this will no longer be used, and can be removed. Committer notes: This fixes a segfault when generating python scripts from perf.data files with multiple tracepoint events, i.e. the following use case is fixed by this patch: # perf record -e sched:* sleep 1 [ perf record: Woken up 31 times to write data ] [ perf record: Captured and wrote 0.031 MB perf.data (9 samples) ] # perf script -g python Segmentation fault (core dumped) # Reported-by: Daniel Bristot de Oliveira <bristot@redhat.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Tzvetomir Stoyanov <tstoyanov@vmware.com> Cc: linux-trace-devel@vger.kernel.org Link: http://lkml.kernel.org/r/20191017153733.630cd5eb@gandalf.local.home Link: http://lore.kernel.org/lkml/20191017210636.061448713@goodmis.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.