diff options
Diffstat (limited to 'tools/perf/builtin-record.c')
| -rw-r--r-- | tools/perf/builtin-record.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index f14cb5fdb91f..e9231659754d 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -31,15 +31,6 @@ #include <sched.h> #include <sys/mman.h> -#define CALLCHAIN_HELP "do call-graph (stack chain/backtrace) recording: " - -#ifdef NO_LIBUNWIND_SUPPORT -static char callchain_help[] = CALLCHAIN_HELP "[fp]"; -#else -static unsigned long default_stack_dump_size = 8192; -static char callchain_help[] = CALLCHAIN_HELP "[fp] dwarf"; -#endif - enum write_mode_t { WRITE_FORCE, WRITE_APPEND @@ -800,7 +791,7 @@ error: return ret; } -#ifndef NO_LIBUNWIND_SUPPORT +#ifdef LIBUNWIND_SUPPORT static int get_stack_size(char *str, unsigned long *_size) { char *endptr; @@ -826,7 +817,7 @@ static int get_stack_size(char *str, unsigned long *_size) max_size, str); return -1; } -#endif /* !NO_LIBUNWIND_SUPPORT */ +#endif /* LIBUNWIND_SUPPORT */ static int parse_callchain_opt(const struct option *opt __maybe_unused, const char *arg, @@ -865,9 +856,11 @@ parse_callchain_opt(const struct option *opt __maybe_unused, const char *arg, "needed for -g fp\n"); break; -#ifndef NO_LIBUNWIND_SUPPORT +#ifdef LIBUNWIND_SUPPORT /* Dwarf style */ } else if (!strncmp(name, "dwarf", sizeof("dwarf"))) { + const unsigned long default_stack_dump_size = 8192; + ret = 0; rec->opts.call_graph = CALLCHAIN_DWARF; rec->opts.stack_dump_size = default_stack_dump_size; @@ -883,7 +876,7 @@ parse_callchain_opt(const struct option *opt __maybe_unused, const char *arg, if (!ret) pr_debug("callchain: stack dump size %d\n", rec->opts.stack_dump_size); -#endif /* !NO_LIBUNWIND_SUPPORT */ +#endif /* LIBUNWIND_SUPPORT */ } else { pr_err("callchain: Unknown -g option " "value: %s\n", arg); @@ -930,6 +923,14 @@ static struct perf_record record = { .file_new = true, }; +#define CALLCHAIN_HELP "do call-graph (stack chain/backtrace) recording: " + +#ifdef LIBUNWIND_SUPPORT +static const char callchain_help[] = CALLCHAIN_HELP "[fp] dwarf"; +#else +static const char callchain_help[] = CALLCHAIN_HELP "[fp]"; +#endif + /* * XXX Will stay a global variable till we fix builtin-script.c to stop messing * with it and switch to use the library functions in perf_evlist that came |