diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/perf_pmu.c | 94 |
1 files changed, 92 insertions, 2 deletions
diff --git a/tests/perf_pmu.c b/tests/perf_pmu.c index b9ca6a49..5de77da4 100644 --- a/tests/perf_pmu.c +++ b/tests/perf_pmu.c @@ -28,6 +28,7 @@ #include <fcntl.h> #include <inttypes.h> #include <errno.h> +#include <signal.h> #include <sys/stat.h> #include <sys/time.h> #include <sys/times.h> @@ -39,6 +40,8 @@ #include "igt.h" #include "igt_core.h" +#include "igt_device.h" +#include "igt_kmod.h" #include "igt_perf.h" #include "igt_sysfs.h" #include "igt_pm.h" @@ -930,6 +933,7 @@ event_wait(int gem_fd, const struct intel_execution_engine2 *e) igt_require(has_secure_batches(fd)); igt_skip_on(IS_VALLEYVIEW(devid) || IS_CHERRYVIEW(devid)); + igt_device_set_master(gem_fd); kmstest_set_vt_graphics_mode(); igt_display_require(&data.display, gem_fd); @@ -1860,6 +1864,83 @@ static void faulting_read(int gem_fd, const struct mmap_offset *t) munmap(ptr, 4096); } +static int unload_i915(void) +{ + bind_fbcon(false); + + if (igt_kmod_is_loaded("snd_hda_intel")) { + igt_terminate_process(SIGTERM, "alsactl"); + kick_snd_hda_intel(); + if (igt_kmod_unload("snd_hda_intel", 0)) + return -EAGAIN; + } + + if (igt_kmod_is_loaded("snd_hdmi_lpe_audio")) { + igt_terminate_process(SIGTERM, "alsactl"); + if (igt_kmod_unload("snd_hdmi_lpe_audio", 0)) + return -EAGAIN; + } + + if (igt_kmod_is_loaded("i915")) { + if (igt_kmod_unload("i915", 0)) + return -EBUSY; + } + + return 0; +} + +static void test_unload(void) +{ + igt_fork(child, 1) { + const struct intel_execution_engine2 *e; + uint64_t *buf; + int count; + int i915; + int fd; + + igt_debug("Unloading and then re-opening i915 device\n"); + igt_require(unload_i915() == 0); + i915 = __drm_open_driver(DRIVER_INTEL); + + igt_debug("Opening perf events\n"); + fd = open_group(i915, I915_PMU_REQUESTED_FREQUENCY, -1); + open_group(fd, I915_PMU_ACTUAL_FREQUENCY, fd); + count = 2; + + __for_each_physical_engine(i915, e) { + open_group(i915, + I915_PMU_ENGINE_BUSY(e->class, e->instance), + fd); + open_group(i915, + I915_PMU_ENGINE_SEMA(e->class, e->instance), + fd); + open_group(i915, + I915_PMU_ENGINE_WAIT(e->class, e->instance), + fd); + count += 3; + } + + close(i915); + + buf = calloc(count + 1, sizeof(uint64_t)); + igt_assert(buf); + + igt_debug("Read %d events from perf and trial unload\n", count); + pmu_read_multi(fd, count, buf); + igt_assert_eq(unload_i915(), -EBUSY); + pmu_read_multi(fd, count, buf); + + igt_debug("Close perf\n"); + close(fd); + + free(buf); + } + igt_waitchildren(); + + igt_debug("Final unload\n"); + igt_assert_eq(unload_i915(), 0); +} + #define test_each_engine(T, i915, e) \ igt_subtest_with_dynamic(T) __for_each_physical_engine(i915, e) \ igt_dynamic_f("%s", e->name) @@ -1878,7 +1959,7 @@ igt_main int fd = -1; igt_fixture { - fd = drm_open_driver_master(DRIVER_INTEL); + fd = __drm_open_driver(DRIVER_INTEL); igt_require_gem(fd); igt_require(i915_perf_type_id(fd) > 0); @@ -2101,7 +2182,7 @@ igt_main int render_fd = -1; igt_fixture { - render_fd = drm_open_driver_render(DRIVER_INTEL); + render_fd = __drm_open_driver_render(DRIVER_INTEL); igt_require_gem(render_fd); gem_quiescent_gpu(fd); @@ -2116,4 +2197,13 @@ igt_main close(render_fd); } } + + igt_fixture { + close(fd); + } + + igt_subtest("module-unload") { + for (int pass = 0; pass < 3; pass++) + test_unload(); + } } |