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8358d44223
This enables implementations to pass context data between begin and end tracing points, which is useful for more complex performance monitoring. The change is minimal and only affects the function signatures and return values, with no functional changes to existing behavior. Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com> Acked-by: Emma Anholt <emma@anholt.net> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34893>
182 lines
6.3 KiB
C
182 lines
6.3 KiB
C
/*
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* Copyright 2022 Google LLC
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* SPDX-License-Identifier: MIT
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*/
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#ifndef CPU_TRACE_H
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#define CPU_TRACE_H
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#include "u_perfetto.h"
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#include "u_gpuvis.h"
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#include "util/detect_os.h"
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#include "util/macros.h"
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#if defined(HAVE_PERFETTO)
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/* note that util_perfetto_is_tracing_enabled always returns false util
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* util_perfetto_init is called
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*/
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#define _MESA_TRACE_BEGIN(name) \
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do { \
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if (unlikely(util_perfetto_is_tracing_enabled())) \
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util_perfetto_trace_begin(name); \
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} while (0)
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#define _MESA_TRACE_FLOW_BEGIN(name, id) \
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do { \
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if (unlikely(util_perfetto_is_tracing_enabled())) \
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util_perfetto_trace_begin_flow(name, id); \
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} while (0)
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#define _MESA_TRACE_END() \
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do { \
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if (unlikely(util_perfetto_is_tracing_enabled())) \
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util_perfetto_trace_end(); \
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} while (0)
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#define _MESA_TRACE_SET_COUNTER(name, value) \
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do { \
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if (unlikely(util_perfetto_is_tracing_enabled())) \
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util_perfetto_counter_set(name, value); \
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} while (0)
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#define _MESA_TRACE_TIMESTAMP_BEGIN(name, track_id, flow_id, clock, timestamp) \
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do { \
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if (unlikely(util_perfetto_is_tracing_enabled())) \
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util_perfetto_trace_full_begin(name, track_id, flow_id, clock, timestamp); \
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} while (0)
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#define _MESA_TRACE_TIMESTAMP_END(name, track_id, clock, timestamp) \
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do { \
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if (unlikely(util_perfetto_is_tracing_enabled())) \
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util_perfetto_trace_full_end(name, track_id, clock, timestamp); \
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} while (0)
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/* NOTE: for now disable atrace for C++ to workaround a ndk bug with ordering
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* between stdatomic.h and atomic.h. See:
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*
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* https://github.com/android/ndk/issues/1178
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*/
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#elif DETECT_OS_ANDROID && !defined(__cplusplus)
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#include <cutils/trace.h>
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#define _MESA_TRACE_BEGIN(name) \
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atrace_begin(ATRACE_TAG_GRAPHICS, name)
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#define _MESA_TRACE_END() atrace_end(ATRACE_TAG_GRAPHICS)
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#define _MESA_TRACE_FLOW_BEGIN(name, id) \
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atrace_begin(ATRACE_TAG_GRAPHICS, name)
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#define _MESA_TRACE_SET_COUNTER(name, value)
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#define _MESA_TRACE_TIMESTAMP_BEGIN(name, track_id, flow_id, clock, timestamp)
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#define _MESA_TRACE_TIMESTAMP_END(name, track_id, clock, timestamp)
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#else
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#define _MESA_TRACE_BEGIN(name)
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#define _MESA_TRACE_END()
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#define _MESA_TRACE_FLOW_BEGIN(name, id)
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#define _MESA_TRACE_SET_COUNTER(name, value)
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#define _MESA_TRACE_TIMESTAMP_BEGIN(name, track_id, flow_id, clock, timestamp)
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#define _MESA_TRACE_TIMESTAMP_END(name, track_id, clock, timestamp)
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#endif /* HAVE_PERFETTO */
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#if defined(HAVE_GPUVIS)
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#define _MESA_GPUVIS_TRACE_BEGIN(name) util_gpuvis_begin(name)
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#define _MESA_GPUVIS_TRACE_END() util_gpuvis_end()
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#else
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#define _MESA_GPUVIS_TRACE_BEGIN(name)
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#define _MESA_GPUVIS_TRACE_END()
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#endif /* HAVE_GPUVIS */
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#if __has_attribute(cleanup) && __has_attribute(unused)
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#include <stdarg.h>
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#include <stdio.h>
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#define _MESA_TRACE_SCOPE_MAX_NAME_LENGTH 4096
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#define _MESA_TRACE_SCOPE_VAR_CONCAT(name, suffix) name##suffix
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#define _MESA_TRACE_SCOPE_VAR(suffix) \
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_MESA_TRACE_SCOPE_VAR_CONCAT(_mesa_trace_scope_, suffix)
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/* This must expand to a single non-scoped statement for
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*
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* if (cond)
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* _MESA_TRACE_SCOPE(format, ...)
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*
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* to work.
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*/
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#define _MESA_TRACE_SCOPE(format, ...) \
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void *_MESA_TRACE_SCOPE_VAR(__LINE__) \
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__attribute__((cleanup(_mesa_trace_scope_end), unused)) = \
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_mesa_trace_scope_begin(format, ##__VA_ARGS__)
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#define _MESA_TRACE_SCOPE_FLOW(name, id) \
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void *_MESA_TRACE_SCOPE_VAR(__LINE__) \
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__attribute__((cleanup(_mesa_trace_scope_end), unused)) = \
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_mesa_trace_scope_flow_begin(name, id)
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__attribute__((format(printf, 1, 2)))
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static inline void *
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_mesa_trace_scope_begin(const char *format, ...)
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{
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char name[_MESA_TRACE_SCOPE_MAX_NAME_LENGTH];
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va_list args;
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va_start(args, format);
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ASSERTED size_t len = vsnprintf(name, _MESA_TRACE_SCOPE_MAX_NAME_LENGTH,
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format, args);
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va_end(args);
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assert(len < _MESA_TRACE_SCOPE_MAX_NAME_LENGTH);
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_MESA_TRACE_BEGIN(name);
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_MESA_GPUVIS_TRACE_BEGIN(name);
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return NULL;
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}
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static inline void *
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_mesa_trace_scope_flow_begin(const char *name, uint64_t *id)
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{
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if (*id == 0)
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*id = util_perfetto_next_id();
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_MESA_TRACE_FLOW_BEGIN(name, *id);
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_MESA_GPUVIS_TRACE_BEGIN(name);
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return NULL;
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}
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static inline void
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_mesa_trace_scope_end(UNUSED void **scope)
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{
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_MESA_GPUVIS_TRACE_END();
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_MESA_TRACE_END();
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}
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#else
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#define _MESA_TRACE_SCOPE(format, ...)
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#endif /* __has_attribute(cleanup) && __has_attribute(unused) */
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#define MESA_TRACE_SCOPE(format, ...) _MESA_TRACE_SCOPE(format, ##__VA_ARGS__)
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#define MESA_TRACE_SCOPE_FLOW(name, id) _MESA_TRACE_SCOPE_FLOW(name, id)
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#define MESA_TRACE_FUNC() _MESA_TRACE_SCOPE("%s", __func__)
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#define MESA_TRACE_FUNC_FLOW(id) _MESA_TRACE_SCOPE_FLOW(__func__, id)
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#define MESA_TRACE_SET_COUNTER(name, value) _MESA_TRACE_SET_COUNTER(name, value)
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#define MESA_TRACE_TIMESTAMP_BEGIN(name, track_id, flow_id, clock, timestamp) \
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_MESA_TRACE_TIMESTAMP_BEGIN(name, track_id, flow_id, clock, timestamp)
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#define MESA_TRACE_TIMESTAMP_END(name, track_id, clock, timestamp) \
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_MESA_TRACE_TIMESTAMP_END(name, track_id, clock, timestamp)
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static inline void
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util_cpu_trace_init()
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{
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util_perfetto_init();
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util_gpuvis_init();
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}
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#endif /* CPU_TRACE_H */
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