perf annotate: Don't die() when finding an invalid config option
The perf_config() infrastructure we inherited from git calls die() when the provided config callback returns -1, meaning some key in a config section is unexpected, that seems ok for a stdio based tool, but in --tui we end up messing up the output, so just tell the user about the error, wait for a keystroke and return 0, being more resilient and proceeding with what we managed to parse. That die() needs to die, tho :-) Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-pqtsffh2kwr5mwm4qg9kgotu@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
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