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We're using evsel->priv in syscalls:sys_{enter,exit}_SYSCALL and in
raw_syscalls:sys_{enter,exit} to cache the offset of the common fields,
the multiplexor id/syscall_id in the sys_enter case and syscall_id + ret
for sys_exit.
And for the rest of the tracepoints we use it to have a syscall_arg_fmt
array to have scnprintf/strtoul for tracepoint args.
So we better clearly mark them with accessors so that we can move to
having a 'struct evsel_trace' struct for all 'perf trace' specific
evsel->priv usage.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-dcoyxfslg7atz821tz9aupjh@git.kernel.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.