perf record: Don't use globals where not needed to
Some variables were global but used in just one function, so move it to where it belongs. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-2ce3v9qheiobs3sz6pxf4tud@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@@ -31,15 +31,6 @@
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#include <sched.h>
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#include <sched.h>
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#include <sys/mman.h>
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#include <sys/mman.h>
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#define CALLCHAIN_HELP "do call-graph (stack chain/backtrace) recording: "
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#ifdef LIBUNWIND_SUPPORT
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static unsigned long default_stack_dump_size = 8192;
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static char callchain_help[] = CALLCHAIN_HELP "[fp] dwarf";
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#else
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static char callchain_help[] = CALLCHAIN_HELP "[fp]";
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#endif
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enum write_mode_t {
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enum write_mode_t {
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WRITE_FORCE,
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WRITE_FORCE,
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WRITE_APPEND
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WRITE_APPEND
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@@ -868,6 +859,8 @@ parse_callchain_opt(const struct option *opt __maybe_unused, const char *arg,
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#ifdef LIBUNWIND_SUPPORT
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#ifdef LIBUNWIND_SUPPORT
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/* Dwarf style */
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/* Dwarf style */
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} else if (!strncmp(name, "dwarf", sizeof("dwarf"))) {
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} else if (!strncmp(name, "dwarf", sizeof("dwarf"))) {
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const unsigned long default_stack_dump_size = 8192;
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ret = 0;
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ret = 0;
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rec->opts.call_graph = CALLCHAIN_DWARF;
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rec->opts.call_graph = CALLCHAIN_DWARF;
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rec->opts.stack_dump_size = default_stack_dump_size;
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rec->opts.stack_dump_size = default_stack_dump_size;
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@@ -930,6 +923,14 @@ static struct perf_record record = {
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.file_new = true,
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.file_new = true,
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};
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};
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#define CALLCHAIN_HELP "do call-graph (stack chain/backtrace) recording: "
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#ifdef LIBUNWIND_SUPPORT
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static const char callchain_help[] = CALLCHAIN_HELP "[fp] dwarf";
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#else
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static const char callchain_help[] = CALLCHAIN_HELP "[fp]";
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#endif
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/*
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/*
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* XXX Will stay a global variable till we fix builtin-script.c to stop messing
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* XXX Will stay a global variable till we fix builtin-script.c to stop messing
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* with it and switch to use the library functions in perf_evlist that came
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* with it and switch to use the library functions in perf_evlist that came
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