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3b5692864d
The usual thing is for a constructor to allocate space for its members, not to require that the caller pass a pre-allocated 'name' and then, at its destructor, to free something not allocated by it. Fix it by making cgroup__new() to receive a const char pointer, then allocate cgroup->name that then can continue to be freed at cgroup__delete(), balancing the alloc/free operations inside the cgroup struct methods. This eases calling evlist__findnew_cgroup() from the custom 'perf trace' cgroup parser, that will only call parse_cgroups() when the '-G cgroup' is passed on the command line after '-e event' entries, when it'll behave just like 'perf stat' and 'perf record', i.e. the previous parse_cgroup() users that mandate that -G only can come after a -e. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-4leugnuyqi10t98990o3xi1t@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.