1 /*
2 * Copyright © 2024 Google, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24 #include <perfetto.h>
25
26 #include "freedreno_drm_perfetto.h"
27 #include "freedreno_drmif.h"
28
29 #include "util/log.h"
30 #include "util/perf/u_perfetto.h"
31 #include "util/simple_mtx.h"
32
33 class FdMemoryDataSource : public perfetto::DataSource<FdMemoryDataSource> {
34 public:
OnSetup(const SetupArgs &)35 void OnSetup(const SetupArgs &) override
36 {
37 }
38
OnStart(const StartArgs &)39 void OnStart(const StartArgs &) override
40 {
41 PERFETTO_LOG("Memory tracing started");
42 }
43
OnStop(const StopArgs &)44 void OnStop(const StopArgs &) override
45 {
46 PERFETTO_LOG("Memory tracing stopped");
47 }
48 };
49
50 PERFETTO_DECLARE_DATA_SOURCE_STATIC_MEMBERS(FdMemoryDataSource);
51 PERFETTO_DEFINE_DATA_SOURCE_STATIC_MEMBERS(FdMemoryDataSource);
52
53 extern "C" void
fd_drm_perfetto_init(void)54 fd_drm_perfetto_init(void)
55 {
56 util_perfetto_init();
57
58 perfetto::DataSourceDescriptor dsd;
59 dsd.set_name("gpu.memory.msm");
60 FdMemoryDataSource::Register(dsd);
61 }
62
63 extern "C" void
fd_alloc_log(struct fd_bo * bo,enum fd_alloc_category from,enum fd_alloc_category to)64 fd_alloc_log(struct fd_bo *bo, enum fd_alloc_category from, enum fd_alloc_category to)
65 {
66 /* Special case for BOs that back heap chunks, they don't immediately
67 * transition to active, despite what the caller thinks:
68 */
69 if (bo->alloc_flags & _FD_BO_HINT_HEAP) {
70 if (to == FD_ALLOC_ACTIVE) {
71 to = FD_ALLOC_HEAP;
72 } else if (from == FD_ALLOC_ACTIVE) {
73 from = FD_ALLOC_HEAP;
74 }
75 }
76
77 #define MEMORY_DEBUGGING 0
78 if (MEMORY_DEBUGGING) {
79 static simple_mtx_t lock = SIMPLE_MTX_INITIALIZER;
80
81 assert(bo->size);
82
83 simple_mtx_lock(&lock);
84
85 static uint32_t sizes[4];
86 static uint32_t size_buffer, size_image, size_command, size_internal, *size_cat;
87
88 if (from != FD_ALLOC_NONE) {
89 assert(sizes[from] >= bo->size);
90 sizes[from] -= bo->size;
91 }
92
93 if (to != FD_ALLOC_NONE) {
94 sizes[to] += bo->size;
95 }
96
97 if (bo->alloc_flags & FD_BO_HINT_BUFFER) {
98 size_cat = &size_buffer;
99 } else if (bo->alloc_flags & FD_BO_HINT_IMAGE) {
100 size_cat = &size_image;
101 } else if (bo->alloc_flags & FD_BO_HINT_COMMAND) {
102 size_cat = &size_command;
103 } else {
104 size_cat = &size_internal;
105 }
106 if (to == FD_ALLOC_ACTIVE) {
107 *size_cat += bo->size;
108 } else if (from == FD_ALLOC_ACTIVE) {
109 assert(*size_cat >= bo->size);
110 *size_cat -= bo->size;
111 }
112
113 static time_t last_time;
114 struct timespec time;
115
116 clock_gettime(CLOCK_MONOTONIC, &time);
117
118 if (last_time != time.tv_sec) {
119 mesa_logi("active=%'u, heap=%'u, cache=%'u, buffer=%'u, image=%'u, command=%'u, internal=%'u",
120 sizes[FD_ALLOC_ACTIVE], sizes[FD_ALLOC_HEAP], sizes[FD_ALLOC_CACHE],
121 size_buffer, size_image, size_command, size_internal);
122 last_time = time.tv_sec;
123 }
124
125 simple_mtx_unlock(&lock);
126 }
127
128 if ((to != FD_ALLOC_ACTIVE) && (from != FD_ALLOC_ACTIVE))
129 return;
130
131 FdMemoryDataSource::Trace([=](FdMemoryDataSource::TraceContext tctx) {
132 auto packet = tctx.NewTracePacket();
133
134 packet->set_timestamp(perfetto::base::GetBootTimeNs().count());
135
136 auto event = packet->set_vulkan_memory_event();
137
138 event->set_timestamp(perfetto::base::GetBootTimeNs().count());
139 event->set_memory_size(bo->size);
140 event->set_memory_address(bo->iova);
141 event->set_allocation_scope(perfetto::protos::pbzero::perfetto_pbzero_enum_VulkanMemoryEvent::SCOPE_COMMAND);
142 event->set_pid(getpid());
143
144 if (bo->alloc_flags & FD_BO_HINT_BUFFER) {
145 event->set_source(perfetto::protos::pbzero::perfetto_pbzero_enum_VulkanMemoryEvent::SOURCE_BUFFER);
146 event->set_memory_type(1);
147 } else if (bo->alloc_flags & FD_BO_HINT_IMAGE) {
148 event->set_source(perfetto::protos::pbzero::perfetto_pbzero_enum_VulkanMemoryEvent::SOURCE_IMAGE);
149 event->set_memory_type(2);
150 } else {
151 event->set_source(perfetto::protos::pbzero::perfetto_pbzero_enum_VulkanMemoryEvent::SOURCE_DRIVER);
152 event->set_memory_type(3);
153 }
154
155 if (bo->alloc_flags & (FD_BO_HINT_BUFFER | FD_BO_HINT_IMAGE)) {
156 /* For IMAGE/BUFFER, the trace processor is looking for BIND/DESTROY_BOUND: */
157 if (to == FD_ALLOC_ACTIVE) {
158 event->set_operation(perfetto::protos::pbzero::perfetto_pbzero_enum_VulkanMemoryEvent::OP_BIND);
159 } else {
160 event->set_operation(perfetto::protos::pbzero::perfetto_pbzero_enum_VulkanMemoryEvent::OP_DESTROY_BOUND);
161 }
162 } else {
163 /* For SOURCE_DRIVER, the relevant ops are CREATE/DESTROY */
164 if (to == FD_ALLOC_ACTIVE) {
165 event->set_operation(perfetto::protos::pbzero::perfetto_pbzero_enum_VulkanMemoryEvent::OP_CREATE);
166 } else {
167 event->set_operation(perfetto::protos::pbzero::perfetto_pbzero_enum_VulkanMemoryEvent::OP_DESTROY);
168 }
169 }
170 });
171 }
172