From 98106256d6d36db5e6b848a969d0e7a7728be864 Mon Sep 17 00:00:00 2001 From: Venkateswara Naralasetty Date: Tue, 22 Dec 2020 20:29:01 +0530 Subject: [PATCH] ath11k: add trace log support This change is to add trace log support for, * WMI events * WMI commands * ath11k_dbg messages * ath11k_dbg_dump messages Signed-off-by: Venkateswara Naralasetty --- drivers/net/wireless/ath/ath11k/debug.c | 6 +- drivers/net/wireless/ath/ath11k/trace.h | 124 ++++++++++++++++++++++++++++++++ drivers/net/wireless/ath/ath11k/wmi.c | 4 ++ 3 files changed, 133 insertions(+), 1 deletion(-) --- a/drivers/net/wireless/ath/ath11k/debug.c +++ b/drivers/net/wireless/ath/ath11k/debug.c @@ -68,7 +68,7 @@ void __ath11k_dbg(struct ath11k_base *ab if (ath11k_debug_mask & mask) dev_printk(KERN_DEBUG, ab->dev, "%pV", &vaf); - /* TODO: trace log */ + trace_ath11k_log_dbg(ab, mask, &vaf); va_end(args); } @@ -100,6 +100,10 @@ void ath11k_dbg_dump(struct ath11k_base dev_printk(KERN_DEBUG, ab->dev, "%s\n", linebuf); } } + + /* tracing code doesn't like null strings */ + trace_ath11k_log_dbg_dump(ab, msg ? msg : "", prefix ? prefix : "", + buf, len); } EXPORT_SYMBOL(ath11k_dbg_dump); --- a/drivers/net/wireless/ath/ath11k/trace.h +++ b/drivers/net/wireless/ath/ath11k/trace.h @@ -20,6 +20,8 @@ static inline void trace_ ## name(proto) #undef TRACE_SYSTEM #define TRACE_SYSTEM ath11k +#define ATH11K_MSG_MAX 400 + TRACE_EVENT(ath11k_htt_pktlog, TP_PROTO(struct ath11k *ar, const void *buf, u16 buf_len, u32 pktlog_checksum), @@ -76,6 +78,128 @@ TRACE_EVENT(ath11k_ps_timekeeper, ) ); +TRACE_EVENT(ath11k_wmi_cmd, + TP_PROTO(struct ath11k_base *ab, int id, const void *buf, size_t buf_len), + + TP_ARGS(ab, id, buf, buf_len), + + TP_STRUCT__entry( + __string(device, dev_name(ab->dev)) + __string(driver, dev_driver_string(ab->dev)) + __field(unsigned int, id) + __field(size_t, buf_len) + __dynamic_array(u8, buf, buf_len) + ), + + TP_fast_assign( + __assign_str(device, dev_name(ab->dev)); + __assign_str(driver, dev_driver_string(ab->dev)); + __entry->id = id; + __entry->buf_len = buf_len; + memcpy(__get_dynamic_array(buf), buf, buf_len); + ), + + TP_printk( + "%s %s id %d len %zu", + __get_str(driver), + __get_str(device), + __entry->id, + __entry->buf_len + ) +); + +TRACE_EVENT(ath11k_wmi_event, + TP_PROTO(struct ath11k_base *ab, int id, const void *buf, size_t buf_len), + + TP_ARGS(ab, id, buf, buf_len), + + TP_STRUCT__entry( + __string(device, dev_name(ab->dev)) + __string(driver, dev_driver_string(ab->dev)) + __field(unsigned int, id) + __field(size_t, buf_len) + __dynamic_array(u8, buf, buf_len) + ), + + TP_fast_assign( + __assign_str(device, dev_name(ab->dev)); + __assign_str(driver, dev_driver_string(ab->dev)); + __entry->id = id; + __entry->buf_len = buf_len; + memcpy(__get_dynamic_array(buf), buf, buf_len); + ), + + TP_printk( + "%s %s id %d len %zu", + __get_str(driver), + __get_str(device), + __entry->id, + __entry->buf_len + ) +); + +TRACE_EVENT(ath11k_log_dbg, + TP_PROTO(struct ath11k_base *ab, unsigned int level, struct va_format *vaf), + + TP_ARGS(ab, level, vaf), + + TP_STRUCT__entry( + __string(device, dev_name(ab->dev)) + __string(driver, dev_driver_string(ab->dev)) + __field(unsigned int, level) + __dynamic_array(char, msg, ATH11K_MSG_MAX) + ), + + TP_fast_assign( + __assign_str(device, dev_name(ab->dev)); + __assign_str(driver, dev_driver_string(ab->dev)); + __entry->level = level; + WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), + ATH11K_MSG_MAX, vaf->fmt, + *vaf->va) >= ATH11K_MSG_MAX); + ), + + TP_printk( + "%s %s %s", + __get_str(driver), + __get_str(device), + __get_str(msg) + ) +); + +TRACE_EVENT(ath11k_log_dbg_dump, + TP_PROTO(struct ath11k_base *ab, const char *msg, const char *prefix, + const void *buf, size_t buf_len), + + TP_ARGS(ab, msg, prefix, buf, buf_len), + + TP_STRUCT__entry( + __string(device, dev_name(ab->dev)) + __string(driver, dev_driver_string(ab->dev)) + __string(msg, msg) + __string(prefix, prefix) + __field(size_t, buf_len) + __dynamic_array(u8, buf, buf_len) + ), + + TP_fast_assign( + __assign_str(device, dev_name(ab->dev)); + __assign_str(driver, dev_driver_string(ab->dev)); + __assign_str(msg, msg); + __assign_str(prefix, prefix); + __entry->buf_len = buf_len; + memcpy(__get_dynamic_array(buf), buf, buf_len); + ), + + TP_printk( + "%s %s %s/%s\n", + __get_str(driver), + __get_str(device), + __get_str(prefix), + __get_str(msg) + ) +); + TRACE_EVENT(ath11k_htt_ppdu_stats, TP_PROTO(struct ath11k *ar, const void *data, size_t len), --- a/drivers/net/wireless/ath/ath11k/wmi.c +++ b/drivers/net/wireless/ath/ath11k/wmi.c @@ -266,6 +266,8 @@ static int ath11k_wmi_cmd_send_nowait(st cmd_hdr = (struct wmi_cmd_hdr *)skb->data; cmd_hdr->cmd_id = cmd; + trace_ath11k_wmi_cmd(ab, cmd_id, skb->data, skb->len); + memset(skb_cb, 0, sizeof(*skb_cb)); ret = ath11k_htc_send(&ab->htc, wmi->eid, skb); @@ -8931,6 +8933,8 @@ static void ath11k_wmi_tlv_op_rx(struct if (skb_pull(skb, sizeof(struct wmi_cmd_hdr)) == NULL) goto out; + trace_ath11k_wmi_event(ab, id, skb->data, skb->len); + switch (id) { /* Process all the WMI events here */ case WMI_SERVICE_READY_EVENTID: