diff options
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 6a64cb1..19f5100 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -3047,7 +3047,7 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) .show_comm = true, .trace_syscalls = true, .kernel_syscallchains = false, - .max_stack = PERF_MAX_STACK_DEPTH, + .max_stack = UINT_MAX, }; const char *output_name = NULL; const char *ev_qualifier_str = NULL; @@ -3109,6 +3109,7 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) "per thread proc mmap processing timeout in ms"), OPT_END() }; + bool max_stack_user_set = true; const char * const trace_subcommands[] = { "record", NULL }; int err; char bf[BUFSIZ]; @@ -3142,6 +3143,16 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) trace.opts.sample_time = true; } + if (trace.max_stack == UINT_MAX) { + trace.max_stack = PERF_MAX_STACK_DEPTH; + max_stack_user_set = false; + } + +#ifdef HAVE_DWARF_UNWIND_SUPPORT + if ((trace.min_stack || max_stack_user_set) && !trace.opts.callgraph_set) + record_opts__parse_callchain(&trace.opts, &callchain_param, "dwarf", false); +#endif + if (trace.opts.callgraph_set) symbol_conf.use_callchain = true; |