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The point in this test is to >make sure that if the HW vanishes, driver still behaves. That is >currently not true, as it will cause perf to explode. > >Signed-off-by: Lucas De Marchi LGTM, Reviewed-by: Umesh Nerlige Ramappa Thanks, Umesh >--- > tests/intel/perf_pmu.c | 22 ++++++++++++---------- > 1 file changed, 12 insertions(+), 10 deletions(-) > >diff --git a/tests/intel/perf_pmu.c b/tests/intel/perf_pmu.c >index bfa2d501a..6eb4f09d1 100644 >--- a/tests/intel/perf_pmu.c >+++ b/tests/intel/perf_pmu.c >@@ -2282,7 +2282,6 @@ static void test_unload(unsigned int num_engines) > int fd[4 + num_engines * 3], i; > uint64_t *buf; > int count = 0, ret; >- char *who = NULL; > int i915; > > i915 = __drm_open_driver(DRIVER_INTEL); >@@ -2337,23 +2336,26 @@ static void test_unload(unsigned int num_engines) > > igt_debug("Read %d events from perf and trial unload\n", count); > pmu_read_multi(fd[0], count, buf); >- ret = __igt_i915_driver_unload(&who); >- igt_debug("__igt_i915_driver_unload: ret %d who %s\n", ret, who); >- igt_assert(ret != 0 && !strcmp(who, "i915")); >- free(who); >- pmu_read_multi(fd[0], count, buf); > >- igt_debug("Close perf\n"); >+ /* >+ * We can't unload the module with perf event registered, but >+ * we can make the HW go away by unbinding it from the driver. >+ */ >+ ret = igt_kmod_unbind("i915"); >+ igt_assert_eq(ret, 0); > >+ igt_debug("Close perf\n"); > for (i = 0; i < count; i++) > close(fd[i]); > >+ igt_debug("Final unload\n"); >+ /* After perf is closed, we should be able to remove the module */ >+ ret = igt_i915_driver_unload(); >+ igt_assert_eq(ret, 0); >+ > free(buf); > } > igt_waitchildren(); >- >- igt_debug("Final unload\n"); >- igt_assert_eq(__igt_i915_driver_unload(NULL), 0); > } > > static void pmu_read(int i915) >-- >2.47.0 >