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tracing: ath10k: add htt tx ppdu stats
Skeleton for parsing htt tx ppdu stats. Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Kalle Valo
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1 changed files with 130 additions and 0 deletions
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@ -20,6 +20,41 @@ import tracecmd
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import struct
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import binascii
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# enum htt_t2h_msg_type
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HTT_T2H_MSG_TYPE_VERSION_CONF = 0x0
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HTT_T2H_MSG_TYPE_RX_IND = 0x1
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HTT_T2H_MSG_TYPE_RX_FLUSH = 0x2
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HTT_T2H_MSG_TYPE_PEER_MAP = 0x3
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HTT_T2H_MSG_TYPE_PEER_UNMAP = 0x4
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HTT_T2H_MSG_TYPE_RX_ADDBA = 0x5
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HTT_T2H_MSG_TYPE_RX_DELBA = 0x6
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HTT_T2H_MSG_TYPE_TX_COMPL_IND = 0x7
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HTT_T2H_MSG_TYPE_PKTLOG = 0x8
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HTT_T2H_MSG_TYPE_STATS_CONF = 0x9
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HTT_T2H_MSG_TYPE_RX_FRAG_IND = 0xa
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HTT_T2H_MSG_TYPE_SEC_IND = 0xb
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HTT_T2H_MSG_TYPE_TX_INSPECT_IND = 0xd
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HTT_T2H_MSG_TYPE_MGMT_TX_COMPL_IND= 0xe
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HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND = 0xf
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HTT_T2H_MSG_TYPE_RX_PN_IND = 0x10
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HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x11
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HTT_T2H_MSG_TYPE_TEST = 0x12
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# enum htt_dbg_stats_status
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HTT_DBG_STATS_STATUS_PRESENT = 0
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HTT_DBG_STATS_STATUS_PARTIAL = 1
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HTT_DBG_STATS_STATUS_ERROR = 2
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HTT_DBG_STATS_STATUS_INVALID = 3
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HTT_DBG_STATS_STATUS_SERIES_DONE = 7
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# enum htt_dbg_stats_type
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HTT_DBG_STATS_WAL_PDEV_TXRX = 0
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HTT_DBG_STATS_RX_REORDER = 1
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HTT_DBG_STATS_RX_RATE_INFO = 2
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HTT_DBG_STATS_TX_PPDU_LOG = 3
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HTT_DBG_STATS_TX_RATE_INFO = 4
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def hexdump(buf, prefix=None):
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s = binascii.b2a_hex(buf)
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s_len = len(s)
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@ -121,6 +156,98 @@ def ath10k_log_dbg_dump_handler(pevent, trace_seq, event):
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trace_seq.puts("%s\n" % (msg))
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trace_seq.puts("%s\n" % hexdump(buf, prefix))
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def parse_htt_stats_tx_ppdu_log(pevent, trace_seq, buf, tlv_length):
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msg_hdr_len = 8
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msg_base_len = 40
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# struct ol_fw_tx_dbg_ppdu_msg_hdr
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l = msg_hdr_len
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hdr = struct.unpack("<BBBBI", buf[0:l])
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buf = buf[l:]
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mpdu_bytes_array_len = hdr[0]
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msdu_bytes_array_len = hdr[1]
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mpdu_msdus_array_len = hdr[2]
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reserved = hdr[3]
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microsec_per_tick = hdr[4]
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# 16 bit, 16 bit, 8 bit
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record_size = msg_base_len \
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+ 2 * mpdu_bytes_array_len \
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+ 2 * msdu_bytes_array_len \
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+ 1 * mpdu_msdus_array_len
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records = (tlv_length - msg_hdr_len) / record_size
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trace_seq.puts("\t\t\trecords %d mpdu_bytes_array_len %d msdu_bytes_array_len %d mpdu_msdus_array_len %d reserved %d microsec_per_tick %d\n" % (records, mpdu_bytes_array_len, msdu_bytes_array_len, mpdu_msdus_array_len, reserved, microsec_per_tick))
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for i in range(records):
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# struct ol_fw_tx_dbg_ppdu_base
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l = msg_base_len
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hdr = struct.unpack("<HHIBBHIIIIIIBBBB", buf[0:l])
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buf = buf[l:]
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start_seq_num = hdr[0]
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start_pn_lsbs = hdr[1]
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num_bytes = hdr[2]
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num_msdus = hdr[3]
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num_mpdus = hdr[4]
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tid = hdr[5] & 0x1f
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peer_id = (hdr[5] & 0xffe) >> 5
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timestamp_enqueue = hdr[6]
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timestamp_completion = hdr[7]
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block_ack_bitmap_lsbs = hdr[8]
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block_ack_bitmap_msbs = hdr[9]
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enqueued_bitmap_lsbs = hdr[10]
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enqueued_bitmap_msbs = hdr[11]
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rate_code = hdr[12]
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rate_flags = hdr[13]
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tries = hdr[14]
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complete = hdr[15]
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trace_seq.puts("\t\t\t %d: start_seq_num %d start_pn_lsbs %d num_bytes %d num_msdus %d num_mpdus %d tid %d peer_id %d timestamp_enqueue %d timestamp_completion %d back %08x%08x enqueued %08x%08x rate_code 0x%x rate_flags 0x%x tries %d complete %d\n" % (i, start_seq_num, start_pn_lsbs, num_bytes, num_msdus, num_mpdus, tid, peer_id, timestamp_enqueue, timestamp_completion, block_ack_bitmap_msbs, block_ack_bitmap_lsbs, enqueued_bitmap_msbs, enqueued_bitmap_lsbs, rate_code, rate_flags, tries, complete))
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def parse_htt_stats_conf_msg(pevent, trace_seq, buf):
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# parse HTT_T2H_STATS_CONF_TLV
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l = 12
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hdr = struct.unpack("<III", buf[0:l])
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buf = buf[l:]
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# 64 bit cookie
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cookie = hdr[0] | (hdr[1] << 32)
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tlv = hdr[2]
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# enum htt_dbg_stats_type: HTT_DBG_STATS_*
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tlv_type = (tlv >> 0) & 0x1f
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# enum htt_dbg_stats_status: HTT_DBG_STATS_STATUS_*
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tlv_status = (tlv & 0xe0) >> 5
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tlv_length = (tlv & 0xffff0000) >> 16
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trace_seq.puts("\t\tcookie 0x%016x tlv_type %d tlv_status %d tlv_length %d\n"
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% (cookie, tlv_type, tlv_status, tlv_length))
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if tlv_type == HTT_DBG_STATS_TX_PPDU_LOG:
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parse_htt_stats_tx_ppdu_log(pevent, trace_seq, buf, tlv_length)
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def ath10k_htt_stats_handler(pevent, trace_seq, event):
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buf_len = long(event['buf_len'])
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buf = event['buf'].data
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l = 4
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hdr = struct.unpack("<I", buf[0:l])
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buf = buf[l:]
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# enum htt_t2h_msg_type: HTT_T2H_MSG_TYPE_*
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htt_type = hdr[0]
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trace_seq.puts("len %d type %d\n" % (buf_len, htt_type))
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if htt_type == HTT_T2H_MSG_TYPE_STATS_CONF:
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parse_htt_stats_conf_msg(pevent, trace_seq, buf)
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def register(pevent):
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pevent.register_event_handler("ath10k", "ath10k_wmi_cmd",
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lambda *args:
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@ -131,3 +258,6 @@ def register(pevent):
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pevent.register_event_handler("ath10k", "ath10k_log_dbg_dump",
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lambda *args:
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ath10k_log_dbg_dump_handler(pevent, *args))
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pevent.register_event_handler("ath10k", "ath10k_htt_stats",
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lambda *args:
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ath10k_htt_stats_handler(pevent, *args))
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