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Commit a601fdff authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
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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: default avatarJiri Olsa <jolsa@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1391427883-13443-3-git-send-email-jolsa@redhat.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent eb853e80

tools/perf/builtin-record.c

+3 −1
Original line number Diff line number Diff line
@@ -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",

tools/perf/perf.h

+2 −1
Original line number Diff line number Diff line
@@ -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 {