/* * Copyright © 2020 Google, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #ifndef __NEEDS_TRACE_PRIV #error "Do not use this header!" #endif #ifndef _U_TRACE_PRIV_H #define _U_TRACE_PRIV_H #include "u_trace.h" #include /* * Internal interface used by generated tracepoints */ #ifdef __cplusplus extern "C" { #endif /** * Tracepoint descriptor. */ struct u_tracepoint { const char *name; /** * Size of the CPU data associated with this tracepoint. */ uint16_t payload_sz; /** * Size of the GPU data associated with this tracepoint. */ uint16_t indirect_sz; /** * A bitfield of driver agnostic flags */ uint16_t flags; /** * Index of this tracepoint in _tracepoint_names in the generated * u_trace perfetto header. By associating these names with iids in setup, * tracepoints can be presented with with their own names by passing that * to event->set_stage_iid(). */ uint16_t tp_idx; void (*print)(FILE *out, const void *payload, const void *indirect); void (*print_json)(FILE *out, const void *payload, const void *indirect); #ifdef HAVE_PERFETTO /** * Callback to emit a perfetto event, such as render-stage trace */ void (*perfetto)(void *pctx, uint64_t ts_ns, uint16_t tp_idx, const void *flush_data, const void *payload, const void *indirect); #endif }; /** * Append a tracepoint followed by some amount of memory specified by * variable_sz, returning pointer that can be filled with trace payload. */ void *u_trace_appendv(struct u_trace *ut, void *cs, const struct u_tracepoint *tp, unsigned variable_sz, unsigned n_indirects, const struct u_trace_address *addresses, const uint8_t *indirect_sizes_B); /** * Append a trace event, returning pointer to buffer of tp->payload_sz * to be filled in with trace payload. Called by generated tracepoint * functions. */ static inline void * u_trace_append(struct u_trace *ut, void *cs, const struct u_tracepoint *tp) { return u_trace_appendv(ut, cs, tp, 0, 0, NULL, NULL); } #ifdef __cplusplus } #endif #endif /* _U_TRACE_PRIV_H */