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author | Sujith Manoharan <c_manoha@qca.qualcomm.com> | 2014-09-27 07:57:45 (GMT) |
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committer | John W. Linville <linville@tuxdriver.com> | 2014-10-02 18:23:14 (GMT) |
commit | e6664dff0608440f117b0348594b887cb9725e4f (patch) | |
tree | 27be5e5114b4b2cee1e2b8d2ef39cf91bc5deb34 /drivers/net/wireless/ath/trace.h | |
parent | f6cd071891c5c7971866fda8340202b73ce35206 (diff) | |
download | linux-e6664dff0608440f117b0348594b887cb9725e4f.tar.xz |
ath: Add support for tracing
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/trace.h')
-rw-r--r-- | drivers/net/wireless/ath/trace.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/trace.h b/drivers/net/wireless/ath/trace.h new file mode 100644 index 0000000..ba71164 --- /dev/null +++ b/drivers/net/wireless/ath/trace.h @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2014 Qualcomm Atheros, Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#if !defined(_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_H + +#include <linux/tracepoint.h> +#include "ath.h" + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM ath + +#if !defined(CONFIG_ATH_TRACEPOINTS) + +#undef TRACE_EVENT +#define TRACE_EVENT(name, proto, ...) static inline void trace_ ## name(proto) {} + +#endif /* CONFIG_ATH_TRACEPOINTS */ + +TRACE_EVENT(ath_log, + + TP_PROTO(struct wiphy *wiphy, + struct va_format *vaf), + + TP_ARGS(wiphy, vaf), + + TP_STRUCT__entry( + __string(device, wiphy_name(wiphy)) + __string(driver, KBUILD_MODNAME) + __dynamic_array(char, msg, ATH_DBG_MAX_LEN) + ), + + TP_fast_assign( + __assign_str(device, wiphy_name(wiphy)); + __assign_str(driver, KBUILD_MODNAME); + WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), + ATH_DBG_MAX_LEN, + vaf->fmt, + *vaf->va) >= ATH_DBG_MAX_LEN); + ), + + TP_printk( + "%s %s %s", + __get_str(driver), + __get_str(device), + __get_str(msg) + ) +); + +#endif /* _TRACE_H || TRACE_HEADER_MULTI_READ */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace + +/* This part must be outside protection */ +#include <trace/define_trace.h> |