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These stats give information about count of transmitted and received MAC Protocol Data Units(PDU) and Service Data Units(SDU) and other latency stats. Sample output: ------------- echo 25 > /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats_type cat /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats HTT_STATS_LATENCY_CTX_TLV: duration = 0 tx_msdu_cnt = 0 tx_mpdu_cnt = 0 rx_msdu_cnt = 0 rx_mpdu_cnt = 0 HTT_STATS_LATENCY_PROF_TLV: Latency name = PROF_SCH_ENQ_TQM_CMDS count = 0 minimum = 4294967295 maximum = 0 ..... HTT_STATS_LATENCY_CNT_TLV: prof_enable_cnt = 39 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 Signed-off-by: Dinesh Karthikeyan Signed-off-by: Roopni Devanathan Acked-by: Kalle Valo --- .../wireless/ath/ath12k/debugfs_htt_stats.c | 94 +++++++++++++++++++ .../wireless/ath/ath12k/debugfs_htt_stats.h | 34 +++++++ 2 files changed, 128 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c index 6865be4cc34c..e86a42ff7bee 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c @@ -2838,6 +2838,91 @@ ath12k_htt_print_pdev_obss_pd_stats_tlv(const void *tag_buf, u16 tag_len, stats_req->buf_len = len; } +static void +ath12k_htt_print_latency_prof_ctx_tlv(const void *tag_buf, u16 tag_len, + struct debug_htt_stats_req *stats_req) +{ + const struct ath12k_htt_latency_prof_ctx_tlv *htt_stats_buf = tag_buf; + u32 buf_len = ATH12K_HTT_STATS_BUF_SIZE; + u32 len = stats_req->buf_len; + u8 *buf = stats_req->buf; + + if (tag_len < sizeof(*htt_stats_buf)) + return; + + len += scnprintf(buf + len, buf_len - len, "HTT_STATS_LATENCY_CTX_TLV:\n"); + len += scnprintf(buf + len, buf_len - len, "duration = %u\n", + le32_to_cpu(htt_stats_buf->duration)); + len += scnprintf(buf + len, buf_len - len, "tx_msdu_cnt = %u\n", + le32_to_cpu(htt_stats_buf->tx_msdu_cnt)); + len += scnprintf(buf + len, buf_len - len, "tx_mpdu_cnt = %u\n", + le32_to_cpu(htt_stats_buf->tx_mpdu_cnt)); + len += scnprintf(buf + len, buf_len - len, "rx_msdu_cnt = %u\n", + le32_to_cpu(htt_stats_buf->rx_msdu_cnt)); + len += scnprintf(buf + len, buf_len - len, "rx_mpdu_cnt = %u\n\n", + le32_to_cpu(htt_stats_buf->rx_mpdu_cnt)); + + stats_req->buf_len = len; +} + +static void +ath12k_htt_print_latency_prof_cnt(const void *tag_buf, u16 tag_len, + struct debug_htt_stats_req *stats_req) +{ + const struct ath12k_htt_latency_prof_cnt_tlv *htt_stats_buf = tag_buf; + u32 buf_len = ATH12K_HTT_STATS_BUF_SIZE; + u32 len = stats_req->buf_len; + u8 *buf = stats_req->buf; + + if (tag_len < sizeof(*htt_stats_buf)) + return; + + len += scnprintf(buf + len, buf_len - len, "HTT_STATS_LATENCY_CNT_TLV:\n"); + len += scnprintf(buf + len, buf_len - len, "prof_enable_cnt = %u\n\n", + le32_to_cpu(htt_stats_buf->prof_enable_cnt)); + + stats_req->buf_len = len; +} + +static void +ath12k_htt_print_latency_prof_stats_tlv(const void *tag_buf, u16 tag_len, + struct debug_htt_stats_req *stats_req) +{ + const struct ath12k_htt_latency_prof_stats_tlv *htt_stats_buf = tag_buf; + u32 buf_len = ATH12K_HTT_STATS_BUF_SIZE; + u32 len = stats_req->buf_len; + u8 *buf = stats_req->buf; + + if (tag_len < sizeof(*htt_stats_buf)) + return; + + if (le32_to_cpu(htt_stats_buf->print_header) == 1) { + len += scnprintf(buf + len, buf_len - len, + "HTT_STATS_LATENCY_PROF_TLV:\n"); + } + + len += scnprintf(buf + len, buf_len - len, "Latency name = %s\n", + htt_stats_buf->latency_prof_name); + len += scnprintf(buf + len, buf_len - len, "count = %u\n", + le32_to_cpu(htt_stats_buf->cnt)); + len += scnprintf(buf + len, buf_len - len, "minimum = %u\n", + le32_to_cpu(htt_stats_buf->min)); + len += scnprintf(buf + len, buf_len - len, "maximum = %u\n", + le32_to_cpu(htt_stats_buf->max)); + len += scnprintf(buf + len, buf_len - len, "last = %u\n", + le32_to_cpu(htt_stats_buf->last)); + len += scnprintf(buf + len, buf_len - len, "total = %u\n", + le32_to_cpu(htt_stats_buf->tot)); + len += scnprintf(buf + len, buf_len - len, "average = %u\n", + le32_to_cpu(htt_stats_buf->avg)); + len += scnprintf(buf + len, buf_len - len, "histogram interval = %u\n", + le32_to_cpu(htt_stats_buf->hist_intvl)); + len += print_array_to_buf(buf, len, "histogram", htt_stats_buf->hist, + ATH12K_HTT_LATENCY_PROFILE_NUM_MAX_HIST, "\n\n"); + + stats_req->buf_len = len; +} + static void ath12k_htt_print_pdev_tx_rate_txbf_stats_tlv(const void *tag_buf, u16 tag_len, struct debug_htt_stats_req *stats_req) @@ -4287,6 +4372,15 @@ static int ath12k_dbg_htt_ext_stats_parse(struct ath12k_base *ab, case HTT_STATS_PDEV_OBSS_PD_TAG: ath12k_htt_print_pdev_obss_pd_stats_tlv(tag_buf, len, stats_req); break; + case HTT_STATS_LATENCY_CTX_TAG: + ath12k_htt_print_latency_prof_ctx_tlv(tag_buf, len, stats_req); + break; + case HTT_STATS_LATENCY_CNT_TAG: + ath12k_htt_print_latency_prof_cnt(tag_buf, len, stats_req); + break; + case HTT_STATS_LATENCY_PROF_STATS_TAG: + ath12k_htt_print_latency_prof_stats_tlv(tag_buf, len, stats_req); + break; case HTT_STATS_PDEV_TX_RATE_TXBF_STATS_TAG: ath12k_htt_print_pdev_tx_rate_txbf_stats_tlv(tag_buf, len, stats_req); break; diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h index 238a45e0d296..4578c5a6d12d 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.h @@ -136,6 +136,7 @@ enum ath12k_dbg_htt_ext_stats_type { ATH12K_DBG_HTT_EXT_STATS_PDEV_CCA_STATS = 19, ATH12K_DBG_HTT_EXT_STATS_TX_SOUNDING_INFO = 22, ATH12K_DBG_HTT_EXT_STATS_PDEV_OBSS_PD_STATS = 23, + ATH12K_DBG_HTT_EXT_STATS_LATENCY_PROF_STATS = 25, ATH12K_DBG_HTT_EXT_STATS_PDEV_TX_RATE_TXBF = 31, ATH12K_DBG_HTT_EXT_STATS_TXBF_OFDMA = 32, ATH12K_DBG_HTT_EXT_STATS_DLPAGER_STATS = 36, @@ -201,6 +202,9 @@ enum ath12k_dbg_htt_tlv_tag { HTT_STATS_SCHED_TXQ_SCHED_INELIGIBILITY_TAG = 87, HTT_STATS_PDEV_OBSS_PD_TAG = 88, HTT_STATS_HW_WAR_TAG = 89, + HTT_STATS_LATENCY_PROF_STATS_TAG = 91, + HTT_STATS_LATENCY_CTX_TAG = 92, + HTT_STATS_LATENCY_CNT_TAG = 93, HTT_STATS_SCHED_TXQ_SUPERCYCLE_TRIGGER_TAG = 100, HTT_STATS_PDEV_CTRL_PATH_TX_STATS_TAG = 102, HTT_STATS_PDEV_TX_RATE_TXBF_STATS_TAG = 108, @@ -1158,6 +1162,36 @@ struct ath12k_htt_pdev_obss_pd_stats_tlv { __le32 num_sr_ppdu_abort_flush_cnt; } __packed; +#define ATH12K_HTT_STATS_MAX_PROF_STATS_NAME_LEN 32 +#define ATH12K_HTT_LATENCY_PROFILE_NUM_MAX_HIST 3 +#define ATH12K_HTT_INTERRUPTS_LATENCY_PROFILE_MAX_HIST 3 + +struct ath12k_htt_latency_prof_stats_tlv { + __le32 print_header; + s8 latency_prof_name[ATH12K_HTT_STATS_MAX_PROF_STATS_NAME_LEN]; + __le32 cnt; + __le32 min; + __le32 max; + __le32 last; + __le32 tot; + __le32 avg; + __le32 hist_intvl; + __le32 hist[ATH12K_HTT_LATENCY_PROFILE_NUM_MAX_HIST]; +} __packed; + +struct ath12k_htt_latency_prof_ctx_tlv { + __le32 duration; + __le32 tx_msdu_cnt; + __le32 tx_mpdu_cnt; + __le32 tx_ppdu_cnt; + __le32 rx_msdu_cnt; + __le32 rx_mpdu_cnt; +} __packed; + +struct ath12k_htt_latency_prof_cnt_tlv { + __le32 prof_enable_cnt; +} __packed; + #define ATH12K_HTT_TX_BF_RATE_STATS_NUM_MCS_COUNTERS 14 #define ATH12K_HTT_TX_PDEV_STATS_NUM_LEGACY_OFDM_STATS 8 #define ATH12K_HTT_TX_PDEV_STATS_NUM_SPATIAL_STREAMS 8