[PATCH v9 13/18] perf lock-contention: Use perf_env e_machine rather than arch

[Ian Rogers]

Use the e_machine rather than arch string matching for powerpc.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
 tools/perf/util/lock-contention.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/lock-contention.c b/tools/perf/util/lock-contention.c
index 92e7b7b572a2..119a7206f3cd 100644
--- a/tools/perf/util/lock-contention.c
+++ b/tools/perf/util/lock-contention.c
@@ -104,7 +104,8 @@ bool match_callstack_filter(struct machine *machine, u64 *callstack, int max_sta
 	struct map *kmap;
 	struct symbol *sym;
 	u64 ip;
-	const char *arch = perf_env__arch(machine->env);
+	uint16_t e_machine = perf_env__e_machine(machine->env, /*e_flags=*/NULL);
+	bool is_powerpc = e_machine == EM_PPC64 || e_machine == EM_PPC;
 
 	if (list_empty(&callstack_filters))
 		return true;
@@ -125,8 +126,7 @@ bool match_callstack_filter(struct machine *machine, u64 *callstack, int max_sta
 		 * incase first or second callstack index entry has 0
 		 * address for powerpc.
 		 */
-		if (!callstack || (!callstack[i] && (strcmp(arch, "powerpc") ||
-						(i != 1 && i != 2))))
+		if (!callstack || (!callstack[i] && (!is_powerpc || (i != 1 && i != 2))))
 			break;
 
 		ip = callstack[i];
-- 
2.54.0.545.g6539524ca2-goog