From a601fdff1af20ea0208e918f5e97a247a3c37a40 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Mon, 3 Feb 2014 12:44:43 +0100 Subject: [PATCH] perf record: Add readable output for callchain debug Adding people readable output for callchain debug, to get following '-v' output: $ perf record -v -g ls callchain: type DWARF callchain: stack dump size 4096 ... Signed-off-by: Jiri Olsa Cc: Adrian Hunter Cc: Andi Kleen Cc: Corey Ashford Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1391427883-13443-3-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-record.c | 4 +++- tools/perf/perf.h | 3 ++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index be9e8bc0c4aa..7b8f0e6068b3 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -735,7 +735,9 @@ int record_parse_callchain(const char *arg, struct record_opts *opts) static void callchain_debug(struct record_opts *opts) { - pr_debug("callchain: type %d\n", opts->call_graph); + static const char *str[CALLCHAIN_MAX] = { "NONE", "FP", "DWARF" }; + + pr_debug("callchain: type %s\n", str[opts->call_graph]); if (opts->call_graph == CALLCHAIN_DWARF) pr_debug("callchain: stack dump size %d\n", diff --git a/tools/perf/perf.h b/tools/perf/perf.h index 2078f334617c..6898ad0e199f 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -251,7 +251,8 @@ void pthread__unblock_sigwinch(void); enum perf_call_graph_mode { CALLCHAIN_NONE, CALLCHAIN_FP, - CALLCHAIN_DWARF + CALLCHAIN_DWARF, + CALLCHAIN_MAX }; struct record_opts { -- 2.20.1