perf script: Use callchain_param_setup() instead of open coded equivalent

Refactoring script__setup_sample_type() by using callchain_param_setup()
to replace the duplicate code for callchain parameter setting up.

Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Alexandre Truong <alexandre.truong@arm.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20211217154521.80603-4-german.gomez@arm.com
Signed-off-by: German Gomez <german.gomez@arm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index da2175d..ab7d575 100644 (file)
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -3468,16 +3468,7 @@ static void script__setup_sample_type(struct perf_script *script)
        struct perf_session *session = script->session;
        u64 sample_type = evlist__combined_sample_type(session->evlist);
 
-       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;
-                       dwarf_callchain_users = true;
-               } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
-                       callchain_param.record_mode = CALLCHAIN_LBR;
-               else
-                       callchain_param.record_mode = CALLCHAIN_FP;
-       }
+       callchain_param_setup(sample_type);
 
        if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
                pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"