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perf tests topology: Switch env->arch use to env->e_machine

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Some arch string comparisons weren't normalized. Avoid potential
issues with normalized names vs uname values by swtiching to using the
e_machine.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Honglei Wang <jameshongleiwang@126.com>
Cc: Jan Polensky <japo@linux.ibm.com>
Cc: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers
2026-06-03 16:45:04 -03:00
committed by Arnaldo Carvalho de Melo
parent ed52302f51
commit 4ccbc91df9
1 changed files with 6 additions and 2 deletions
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tools/perf/tests/topology.c
+6 -2
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@@ -11,6 +11,7 @@
#include "pmus.h"
#include "target.h"
#include <linux/err.h>
#include "dwarf-regs.h"
#define TEMPL "/tmp/perf-test-XXXXXX"
#define DATA_SIZE 10
@@ -74,6 +75,7 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map)
struct aggr_cpu_id id;
struct perf_cpu cpu;
struct perf_env *env;
uint16_t e_machine;
session = perf_session__new(&data, NULL);
TEST_ASSERT_VAL("can't get session", !IS_ERR(session));
@@ -101,7 +103,9 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map)
* condition is true (see do_core_id_test in header.c). So always
* run this test on those platforms.
*/
if (!env->cpu && strncmp(env->arch, "s390", 4) && strncmp(env->arch, "aarch64", 7))
e_machine = perf_env__e_machine(env, NULL);
if (!env->cpu && e_machine != EM_S390 && e_machine != EM_AARCH64)
return TEST_SKIP;
/*
@@ -110,7 +114,7 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map)
* physical_package_id will be set to -1. Hence skip this
* test if physical_package_id returns -1 for cpu from perf_cpu_map.
*/
if (!strncmp(env->arch, "ppc64le", 7)) {
if (e_machine == EM_PPC64) {
if (cpu__get_socket_id(perf_cpu_map__cpu(map, 0)) == -1)
return TEST_SKIP;
}