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firmware/sniffer: Add performance/error counters

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Let's add some counters for number of bytes/tpdu/pps/atr/reset
as well as for all the various error conditions from USART through
ring buffer and TPDU buffer overflows, timeouts, ...

Change-Id: Ic679664191259d321ad1f1829d5568fe0b297f39
This commit is contained in:
Harald Welte
2022-11-16 20:48:02 +01:00
parent a8d13dea9b
commit 95c85b6f0c
2 changed files with 56 additions and 5 deletions
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25
firmware/libcommon/include/simtrace_prot.h
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@@ -1,6 +1,6 @@
/* SIMtrace2 USB protocol
*
* (C) 2015-2017 by Harald Welte <hwelte@hmw-consulting.de>
* (C) 2015-2022 by Harald Welte <hwelte@hmw-consulting.de>
* (C) 2018 by sysmocom -s.f.m.c. GmbH, Author: Kevin Redon <kredon@sysmocom.de>
*
* This program is free software; you can redistribute it and/or modify
@@ -84,6 +84,8 @@ enum simtrace_msg_type_sniff {
SIMTRACE_MSGT_SNIFF_PPS,
/* TPDU data */
SIMTRACE_MSGT_SNIFF_TPDU,
/* Statistics */
SIMTRACE_MSGT_DO_SNIFF_STATS,
};
/* common message header */
@@ -338,3 +340,24 @@ struct sniff_data {
/* data */
uint8_t data[0];
} __attribute__ ((packed));
/* SIMTRACE_MSGT_DO_SNIFF_STATS */
struct st_sniff_stats {
uint32_t flags; /* RFU */
uint32_t num_bytes; /* total lnumber of bytes received */
uint32_t num_tpdu; /* total number of TPDUs received */
uint32_t num_atr; /* total number of ATRs received */
uint32_t num_pps; /* total number of PPS (req, resp) received */
uint32_t num_reset; /* total number of resets */
struct {
uint32_t overruns;
uint32_t framing_errs;
uint32_t parity_errs;
uint32_t breaks;
} num_usart;
uint32_t num_waiting_time_exp;
uint32_t num_tpdu_overflows; /* TPDU buffer overflows */
uint32_t num_csum_errors; /* ATR + PPS checksum */
uint32_t num_ringbuf_overflows; /* ISR->main ringbuffer overflows */
uint32_t num_tpdu_malformed;
} __attribute__ ((packed));