mirror of
https://github.com/RetroPortingToolKit/psxrecomp
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Matthew Stanley
9032b1005e
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
(cherry picked from commit 0901bb8b1e)
32 lines
972 B
C
32 lines
972 B
C
#ifndef PSX_HOST_SAMPLER_H
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#define PSX_HOST_SAMPLER_H
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/* Always-on host CPU sampler for the emulation thread (debug-tools builds).
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* See host_sampler.c; TCP host_profile; tools/host_profile.py. */
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define HOST_SAMPLER_CAP 65536u /* ~65 s at 1 kHz */
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typedef struct HostSample {
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uint64_t rva; /* instruction pointer minus the executable's base */
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uint32_t frame; /* guest frame (s_frame_count) */
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uint32_t in_pass; /* 1 while a render pass ran */
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} HostSample;
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/* Start sampling the calling thread (the emulation thread). Idempotent. */
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void host_sampler_start(void);
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int host_sampler_supported(void);
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/* Total samples recorded; the ring holds the newest HOST_SAMPLER_CAP. */
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uint64_t host_sampler_seq(void);
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uint64_t host_sampler_image_base(void);
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/* Sample `seq`, if it is still in the ring. */
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int host_sampler_get(uint64_t seq, HostSample *out);
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#ifdef __cplusplus
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}
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#endif
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#endif
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