Commit-ID: 0cdccac6fe4b1316f04f0dbfcc4efab51932014a Gitweb: http://git.kernel.org/tip/0cdccac6fe4b1316f04f0dbfcc4efab51932014a Author: Namhyung Kim <[email protected]> AuthorDate: Mon, 6 Oct 2014 09:45:59 +0900 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Wed, 15 Oct 2014 16:20:03 -0300
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 <[email protected]> Acked-by: Jiri Olsa <[email protected]> Cc: David Ahern <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jean Pihet <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/builtin-report.c | 7 +++++++ tools/perf/tests/dwarf-unwind.c | 3 +++ 2 files changed, 10 insertions(+) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 2cfc4b93..140a6cd 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -257,6 +257,13 @@ static int report__setup_sample_type(struct report *rep) } } + if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { + if ((sample_type & PERF_SAMPLE_REGS_USER) && + (sample_type & PERF_SAMPLE_STACK_USER)) + callchain_param.record_mode = CALLCHAIN_DWARF; + else + callchain_param.record_mode = CALLCHAIN_FP; + } return 0; } diff --git a/tools/perf/tests/dwarf-unwind.c b/tools/perf/tests/dwarf-unwind.c index 96adb73..fc25e57 100644 --- a/tools/perf/tests/dwarf-unwind.c +++ b/tools/perf/tests/dwarf-unwind.c @@ -9,6 +9,7 @@ #include "perf_regs.h" #include "map.h" #include "thread.h" +#include "callchain.h" static int mmap_handler(struct perf_tool *tool __maybe_unused, union perf_event *event, @@ -120,6 +121,8 @@ int test__dwarf_unwind(void) return -1; } + callchain_param.record_mode = CALLCHAIN_DWARF; + if (init_live_machine(machine)) { pr_err("Could not init machine\n"); goto out; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

