Commit 0cdccac6 authored Oct 06, 2014 by Namhyung Kim Committed by Arnaldo Carvalho de Melo Oct 15, 2014

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>

parent b2e19a93

tools/perf/builtin-report.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}

tools/perf/tests/dwarf-unwind.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;

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