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target/espressif: add profiling function for ESP32-S3

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Use the TRAX interface DEBUGPC if available.
Otherwise use default stop-and-go profiling.

ESP32-S3, before this patch:
	Internal: 8 samples/second
	FT2232H: 12 samples/second

After this patch:
	Internal: 18ksamples/second
	FT2232H: 100ksamples/second

Change-Id: I681f0bccf4263c1e24f38be511e3b3aec8bf4d60
Signed-off-by: Richard Allen <rsaxvc@rsaxvc.net>
Reviewed-on: https://review.openocd.org/c/openocd/+/8431
Reviewed-by: Erhan Kurubas <erhan.kurubas@espressif.com>
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-by: Ian Thompson <ianst@cadence.com>
Reviewed-by: Yurii Shutkin <yurii.shutkin@gmail.com>
This commit is contained in:
Richard Allen
2024-07-31 20:53:52 -05:00
committed by Antonio Borneo
parent e5276bb945
commit 930ec2f439
4 changed files with 78 additions and 0 deletions
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3
src/target/espressif/esp_xtensa.h
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@@ -37,6 +37,9 @@ void esp_xtensa_queue_tdi_idle(struct target *target);
int esp_xtensa_breakpoint_add(struct target *target, struct breakpoint *breakpoint);
int esp_xtensa_breakpoint_remove(struct target *target, struct breakpoint *breakpoint);
int esp_xtensa_poll(struct target *target);
int esp_xtensa_profiling(struct target *target, uint32_t *samples,
uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds);
int esp_xtensa_on_halt(struct target *target);
#endif /* OPENOCD_TARGET_ESP_XTENSA_H */