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// SPDX-License-Identifier: MIT
/*
* Copyright © 2022 Igalia S.L.
*/
#include "igt.h"
#include "igt_vc4.h"
IGT_TEST_DESCRIPTION("Tests for the VC4's performance monitors");
igt_main
{
int fd;
igt_fixture {
fd = drm_open_driver(DRIVER_VC4);
igt_require(igt_vc4_is_v3d(fd));
igt_require(igt_vc4_get_param(fd, DRM_VC4_PARAM_SUPPORTS_PERFMON));
}
igt_describe("Make sure a perfmon cannot be created with zero counters.");
igt_subtest("create-perfmon-0") {
struct drm_vc4_perfmon_create create = {
.ncounters = 0,
};
do_ioctl_err(fd, DRM_IOCTL_VC4_PERFMON_CREATE, &create, EINVAL);
}
igt_describe("Make sure a perfmon cannot be created with more counters than the maximum allowed.");
igt_subtest("create-perfmon-exceed") {
struct drm_vc4_perfmon_create create = {
.ncounters = DRM_VC4_MAX_PERF_COUNTERS + 1,
};
do_ioctl_err(fd, DRM_IOCTL_VC4_PERFMON_CREATE, &create, EINVAL);
}
igt_describe("Make sure a perfmon cannot be created with invalid events identifiers.");
igt_subtest("create-perfmon-invalid-events") {
struct drm_vc4_perfmon_create create = {
.ncounters = 1,
.events = { VC4_PERFCNT_NUM_EVENTS },
};
do_ioctl_err(fd, DRM_IOCTL_VC4_PERFMON_CREATE, &create, EINVAL);
}
igt_describe("Make sure a perfmon with 1 counter can be created.");
igt_subtest("create-single-perfmon") {
uint8_t events[] = { VC4_PERFCNT_FEP_VALID_PRIMS_NO_RENDER };
uint32_t id = igt_vc4_perfmon_create(fd, 1, events);
igt_vc4_perfmon_destroy(fd, id);
}
igt_describe("Make sure that two perfmons can be created simultaneously.");
igt_subtest("create-two-perfmon") {
uint8_t events_perfmon1[] = { VC4_PERFCNT_FEP_VALID_QUADS };
uint8_t events_perfmon2[] = { VC4_PERFCNT_L2C_TOTAL_L2_CACHE_HIT, VC4_PERFCNT_QPU_TOTAL_UNIFORM_CACHE_MISS };
/* Create two different performance monitors */
uint32_t id1 = igt_vc4_perfmon_create(fd, 1, events_perfmon1);
uint32_t id2 = igt_vc4_perfmon_create(fd, 2, events_perfmon2);
/* Make sure that the id's of the performance monitors are different */
igt_assert_neq(id1, id2);
igt_vc4_perfmon_destroy(fd, id1);
/* Make sure that the second perfmon it is still acessible */
igt_vc4_perfmon_get_values(fd, id2);
igt_vc4_perfmon_destroy(fd, id2);
}
igt_describe("Make sure that getting the values from perfmon fails for invalid identifier.");
igt_subtest("get-values-invalid-perfmon") {
struct drm_vc4_perfmon_get_values get = {
.id = 1,
};
do_ioctl_err(fd, DRM_IOCTL_VC4_PERFMON_GET_VALUES, &get, EINVAL);
}
igt_describe("Make sure that getting the values from perfmon fails for invalid memory pointer.");
igt_subtest("get-values-invalid-pointer") {
uint8_t counters[] = { VC4_PERFCNT_TLB_QUADS_ZERO_COVERAGE,
VC4_PERFCNT_PLB_PRIMS_OUTSIDE_VIEWPORT,
VC4_PERFCNT_QPU_TOTAL_INST_CACHE_HIT };
uint32_t id = igt_vc4_perfmon_create(fd, 3, counters);
struct drm_vc4_perfmon_get_values get = {
.id = id,
.values_ptr = 0ULL
};
do_ioctl_err(fd, DRM_IOCTL_VC4_PERFMON_GET_VALUES, &get, EFAULT);
igt_vc4_perfmon_destroy(fd, id);
}
igt_describe("Sanity check for getting the values from a valid perfmon.");
igt_subtest("get-values-valid-perfmon") {
uint8_t events[] = { VC4_PERFCNT_VPM_TOTAL_CLK_CYCLES_VDW_STALLED,
VC4_PERFCNT_PSE_PRIMS_REVERSED,
VC4_PERFCNT_QPU_TOTAL_INST_CACHE_HIT };
uint32_t id = igt_vc4_perfmon_create(fd, 3, events);
igt_vc4_perfmon_get_values(fd, id);
igt_vc4_perfmon_destroy(fd, id);
}
igt_describe("Make sure that destroying a non-existent perfmon fails.");
igt_subtest("destroy-invalid-perfmon") {
struct drm_vc4_perfmon_destroy destroy = {
.id = 1,
};
do_ioctl_err(fd, DRM_IOCTL_VC4_PERFMON_DESTROY, &destroy, EINVAL);
}
igt_describe("Make sure that a perfmon is not accessible after being destroyed.");
igt_subtest("destroy-valid-perfmon") {
uint8_t events[] = { VC4_PERFCNT_QPU_TOTAL_CLK_CYCLES_EXEC_VALID_INST,
VC4_PERFCNT_FEP_VALID_QUADS,
VC4_PERFCNT_TMU_TOTAL_TEXT_CACHE_MISS,
VC4_PERFCNT_L2C_TOTAL_L2_CACHE_MISS };
uint32_t id = igt_vc4_perfmon_create(fd, 4, events);
struct drm_vc4_perfmon_get_values get = {
.id = id,
};
igt_vc4_perfmon_get_values(fd, id);
igt_vc4_perfmon_destroy(fd, id);
/* Make sure that the id is no longer allocate */
do_ioctl_err(fd, DRM_IOCTL_VC4_PERFMON_GET_VALUES, &get, EINVAL);
}
igt_fixture
drm_close_driver(fd);
}
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