Commit 0cdccac6fe4b1316f04f0dbfcc4efab51932014a

Authored by Namhyung Kim
Committed by Arnaldo Carvalho de Melo
1 parent b2e19a934a

perf report: Set callchain_param.record_mode for future use

Normally the callchain_param.record_mode is used only for record path.
But as it might need to prepare something for dwarf unwinding, setup
this info for perf report too.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1412556363-26229-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

Showing 2 changed files with 10 additions and 0 deletions Side-by-side Diff

tools/perf/builtin-report.c
... ... @@ -257,6 +257,13 @@
257 257 }
258 258 }
259 259  
  260 + if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
  261 + if ((sample_type & PERF_SAMPLE_REGS_USER) &&
  262 + (sample_type & PERF_SAMPLE_STACK_USER))
  263 + callchain_param.record_mode = CALLCHAIN_DWARF;
  264 + else
  265 + callchain_param.record_mode = CALLCHAIN_FP;
  266 + }
260 267 return 0;
261 268 }
262 269  
tools/perf/tests/dwarf-unwind.c
... ... @@ -9,6 +9,7 @@
9 9 #include "perf_regs.h"
10 10 #include "map.h"
11 11 #include "thread.h"
  12 +#include "callchain.h"
12 13  
13 14 static int mmap_handler(struct perf_tool *tool __maybe_unused,
14 15 union perf_event *event,
... ... @@ -119,6 +120,8 @@
119 120 pr_err("Could not get machine\n");
120 121 return -1;
121 122 }
  123 +
  124 + callchain_param.record_mode = CALLCHAIN_DWARF;
122 125  
123 126 if (init_live_machine(machine)) {
124 127 pr_err("Could not init machine\n");