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![]() We don't need the callchains at the syscall enter tracepoint, just when finishing it at syscall exit, so reduce the overhead by asking for callchains just at syscall exit. Suggested-by: Milian Wolff <milian.wolff@kdab.com> 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: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-fja1ods5vqpg42mdz09xcz3r@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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