perf debug: Move debug initialization earlier
This avoids segfaults during option handlers that use pr_err. For example, "perf --debug nopager list" segfaults before this change. Fixes: 8abceacff87d (perf debug: Add debug_set_file function) Signed-off-by: Ian Rogers <irogers@google.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20210519164447.2672030-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -443,6 +443,8 @@ int main(int argc, const char **argv)
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const char *cmd;
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char sbuf[STRERR_BUFSIZE];
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perf_debug_setup();
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/* libsubcmd init */
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exec_cmd_init("perf", PREFIX, PERF_EXEC_PATH, EXEC_PATH_ENVIRONMENT);
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pager_init(PERF_PAGER_ENVIRONMENT);
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@ -531,8 +533,6 @@ int main(int argc, const char **argv)
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*/
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pthread__block_sigwinch();
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perf_debug_setup();
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while (1) {
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static int done_help;
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