1 /*
2 * Copyright 2023 Advanced Micro Devices, Inc.
3 *
4 * SPDX-License-Identifier: MIT
5 */
6
7 #include "si_utrace.h"
8 #include "si_perfetto.h"
9 #include "amd/common/ac_gpu_info.h"
10
11 #include "util/u_trace_gallium.h"
12 #include "util/hash_table.h"
13
14
si_utrace_record_ts(struct u_trace * trace,void * cs,void * timestamps,unsigned idx,bool end_of_pipe)15 static void si_utrace_record_ts(struct u_trace *trace, void *cs, void *timestamps,
16 unsigned idx, bool end_of_pipe)
17 {
18 struct si_context *ctx = container_of(trace, struct si_context, trace);
19 struct pipe_resource *buffer = timestamps;
20 struct si_resource *ts_bo = si_resource(buffer);
21
22 if (ctx->gfx_cs.current.buf == ctx->last_timestamp_cmd &&
23 ctx->gfx_cs.current.cdw == ctx->last_timestamp_cmd_cdw) {
24 uint64_t *ts = si_buffer_map(ctx, ts_bo, PIPE_MAP_READ);
25 ts[idx] = U_TRACE_NO_TIMESTAMP;
26 return;
27 }
28
29 unsigned ts_offset = idx * sizeof(uint64_t);
30
31 si_emit_ts(ctx, ts_bo, ts_offset);
32 ctx->last_timestamp_cmd = ctx->gfx_cs.current.buf;
33 ctx->last_timestamp_cmd_cdw = ctx->gfx_cs.current.cdw;
34 }
35
si_utrace_read_ts(struct u_trace_context * utctx,void * timestamps,unsigned idx,void * flush_data)36 static uint64_t si_utrace_read_ts(struct u_trace_context *utctx, void *timestamps,
37 unsigned idx, void *flush_data)
38 {
39 struct si_context *ctx = container_of(utctx, struct si_context, ds.trace_context);
40 struct pipe_resource *buffer = timestamps;
41
42 uint64_t *ts = si_buffer_map(ctx, si_resource(buffer), PIPE_MAP_READ);
43
44 /* Don't translate the no-timestamp marker: */
45 if (ts[idx] == U_TRACE_NO_TIMESTAMP)
46 return U_TRACE_NO_TIMESTAMP;
47
48 return (1000000 * ts[idx]) / ctx->screen->info.clock_crystal_freq;
49 }
50
si_utrace_delete_flush_data(struct u_trace_context * utctx,void * flush_data)51 static void si_utrace_delete_flush_data(struct u_trace_context *utctx, void *flush_data)
52 {
53 free(flush_data);
54 }
55
si_utrace_init(struct si_context * sctx)56 void si_utrace_init(struct si_context *sctx)
57 {
58 char buf[64];
59 snprintf(buf, sizeof(buf), "%u:%u:%u:%u:%u", sctx->screen->info.pci.domain,
60 sctx->screen->info.pci.bus, sctx->screen->info.pci.dev,
61 sctx->screen->info.pci.func, sctx->screen->info.pci_id);
62 uint32_t gpu_id = _mesa_hash_string(buf);
63
64 si_ds_device_init(&sctx->ds, &sctx->screen->info, gpu_id, AMD_DS_API_OPENGL);
65 u_trace_pipe_context_init(&sctx->ds.trace_context, &sctx->b, si_utrace_record_ts,
66 si_utrace_read_ts, si_utrace_delete_flush_data);
67
68 si_ds_device_init_queue(&sctx->ds, &sctx->ds_queue, "%s", "render");
69 }
70
si_utrace_fini(struct si_context * sctx)71 void si_utrace_fini(struct si_context *sctx)
72 {
73 si_ds_device_fini(&sctx->ds);
74 }
75
si_utrace_flush(struct si_context * sctx,uint64_t submission_id)76 void si_utrace_flush(struct si_context *sctx, uint64_t submission_id)
77 {
78 struct si_ds_flush_data *flush_data = malloc(sizeof(*flush_data));
79 si_ds_flush_data_init(flush_data, &sctx->ds_queue, submission_id);
80 u_trace_flush(&sctx->trace, flush_data, false);
81 }
82