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| author | Jean-Christophe Pince <jean.christophe.pince@qorvo.com> | 2023-03-02 00:40:17 +0100 |
|---|---|---|
| committer | Neil DI FOLCO <neil.difolco@qorvo.com> | 2023-03-31 19:42:05 +0200 |
| commit | e7c87fec9c369916864ce492b21ee54106d30511 (patch) | |
| tree | d64ab7c305b57acdb6ee2c0d3e462ce3c69480f6 | |
| parent | 3c0db8755483bd777294bdad15079c8ac3178d22 (diff) | |
| download | uwb-e7c87fec9c369916864ce492b21ee54106d30511.tar.gz | |
qm35: add flashing stats
Bug: 266449259
Change-Id: Id324f703657dc5ed0746c19edab0437112f91c38
Signed-off-by: Jean-Christophe Pince <jean.christophe.pince@qorvo.com>
| -rw-r--r-- | libqmrom/src/qmrom_c0.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libqmrom/src/qmrom_c0.c b/libqmrom/src/qmrom_c0.c index 679f5cf..6d6d8a1 100644 --- a/libqmrom/src/qmrom_c0.c +++ b/libqmrom/src/qmrom_c0.c @@ -16,6 +16,10 @@ #define CHUNK_SIZE_C0 2040 #define SPI_READY_TIMEOUT_MS_C0 200 +#ifdef C0_WRITE_STATS +#include <linux/ktime.h> +#endif + #define SPI_SH_READY_CMD_BIT_MASK_C0 \ (SPI_SH_READY_CMD_BIT_MASK >> 4 | SPI_SH_READY_CMD_BIT_MASK) @@ -262,11 +266,42 @@ int qmrom_c0_probe_device(struct qmrom_handle *handle) return 0; } +#ifdef C0_WRITE_STATS +static uint64_t total_bytes, total_time_ns; +static uint32_t max_write_time_ns, min_write_time_ns = ~0; + +static void update_write_max_chunk_stats(ktime_t start_time) +{ + uint64_t elapsed_time_ns; + + total_bytes += CHUNK_SIZE_C0; + elapsed_time_ns = ktime_to_ns(ktime_sub(ktime_get(), start_time)); + total_time_ns += elapsed_time_ns; + if (elapsed_time_ns > max_write_time_ns) + max_write_time_ns = elapsed_time_ns; + if (elapsed_time_ns < min_write_time_ns) + min_write_time_ns = elapsed_time_ns; +} + +static void dump_stats(void) +{ + uint32_t nb_chunks = total_bytes / CHUNK_SIZE_C0; + LOG_WARN( + "C0 flashing time stats: %llu bytes over %llu us (chunk size %u, write timings: mean %u us, min %u us, max %u us)\n", + total_bytes, total_time_ns / 1000, CHUNK_SIZE_C0, + (uint32_t)((total_time_ns / nb_chunks) / 1000), + min_write_time_ns / 1000, max_write_time_ns / 1000); +} +#endif + static int qmrom_c0_flash_data(struct qmrom_handle *handle, struct firmware *fw, uint8_t cmd, uint8_t resp, bool skip_last_check) { int rc, sent = 0; const char *bin_data = (const char *)fw->data; +#ifdef C0_WRITE_STATS + ktime_t start_time; +#endif while (sent < fw->size) { uint32_t tx_bytes = fw->size - sent; @@ -275,6 +310,9 @@ static int qmrom_c0_flash_data(struct qmrom_handle *handle, struct firmware *fw, LOG_DBG("%s: sending command %#x with %" PRIu32 " bytes\n", __func__, cmd, tx_bytes); +#ifdef C0_WRITE_STATS + start_time = ktime_get(); +#endif rc = qmrom_write_size_cmd32_c0(handle, cmd, tx_bytes, bin_data); if (rc) return rc; @@ -285,6 +323,10 @@ static int qmrom_c0_flash_data(struct qmrom_handle *handle, struct firmware *fw, break; } qmrom_c0_poll_soc(handle); +#ifdef C0_WRITE_STATS + if (tx_bytes == CHUNK_SIZE_C0) + update_write_max_chunk_stats(start_time); +#endif qmrom_pre_read_c0(handle); qmrom_read_c0(handle); if (handle->sstc->payload[0] != resp) { @@ -382,6 +424,10 @@ static int qmrom_c0_flash_fw(struct qmrom_handle *handle, ROM_CMD_C0_SEC_IMAGE_DATA, WAITING_FOR_SEC_FILE_DATA, true); +#ifdef C0_WRITE_STATS + dump_stats(); +#endif + end: qmrom_free(all_fws.fw_img); qmrom_free(all_fws.fw_crt); |