mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 02:11:36 -04:00
Matthew Stanley
44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
#ifndef PSXRECOMP_GUEST_CYCLE_PROFILE_H
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#define PSXRECOMP_GUEST_CYCLE_PROFILE_H
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/* Always-on guest-cycle profile ring; see guest_cycle_profile.c. */
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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 GCP_FLAG_EXCEPTION 0x01u
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typedef struct GcpSample {
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uint64_t cycle; /* guest cycle at the sample */
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uint32_t frame; /* guest frame (s_frame_count) */
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uint32_t block; /* last basic-block leader, phys (debug-tools builds) */
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uint32_t fn; /* last guest function entered */
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uint32_t ra; /* guest $ra */
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uint32_t native; /* native overlay shard in progress, 0 = none */
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uint32_t disp; /* static-dispatch stamp */
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uint32_t weight; /* sample periods this sample stands for */
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uint8_t phase; /* psx_exec_phase() */
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uint8_t flags; /* GCP_FLAG_* */
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} GcpSample;
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/* Install the sampler (period from PSX_GCP_PERIOD, default 4096; 0 = off). */
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void guest_cycle_profile_install(void);
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uint32_t guest_cycle_profile_period(void);
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uint64_t guest_cycle_profile_total(void);
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uint32_t guest_cycle_profile_capacity(void);
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uint64_t guest_cycle_profile_oldest(void);
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int guest_cycle_profile_get(uint64_t seq, GcpSample *out);
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/* Write every held sample whose frame is in [frame_lo, frame_hi] as CSV. */
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int guest_cycle_profile_write_csv(const char *path, uint64_t frame_lo,
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uint64_t frame_hi, uint64_t *rows_out,
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uint64_t *weight_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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