diff options
| author | Pritesh Raithatha <praithatha@nvidia.com> | 2014-01-06 19:49:06 +0530 |
|---|---|---|
| committer | Bharat Nihalani <bnihalani@nvidia.com> | 2014-01-14 20:42:14 -0800 |
| commit | d506f8ded1cfc181bb9044e40f4e2dfe500f6152 (patch) | |
| tree | fd5ba071b9c0bc3a817fba2dd5028df0edf8e263 | |
| parent | c8589916e626815d43736f8ac649023d8bd77a65 (diff) | |
hid: hid-input: add trace event
Bug 1434677
Change-Id: I019e492769495335041a336aef4de94a746efcee
Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com>
Reviewed-on: http://git-master/r/352284
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
| -rw-r--r-- | drivers/hid/hid-input.c | 6 | ||||
| -rw-r--r-- | include/trace/events/hid-input.h | 46 |
2 files changed, 52 insertions, 0 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 90c718f6eded..bbb546ad985f 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1,6 +1,7 @@ /* * Copyright (c) 2000-2001 Vojtech Pavlik * Copyright (c) 2006-2010 Jiri Kosina + * Copyright (c) 2014 NVIDIA Corporation. All rights reserved. * * HID to Linux Input mapping */ @@ -32,6 +33,9 @@ #include <linux/hid.h> #include <linux/hid-debug.h> +#define CREATE_TRACE_POINTS +#include <trace/events/hid-input.h> + #include "hid-ids.h" #define unk KEY_UNKNOWN @@ -993,6 +997,8 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct if (!usage->type) return; + trace_hidinput_hid_event("hid_event"); + if (usage->hat_min < usage->hat_max || usage->hat_dir) { int hat_dir = usage->hat_dir; if (!hat_dir) diff --git a/include/trace/events/hid-input.h b/include/trace/events/hid-input.h new file mode 100644 index 000000000000..79aaf86b2460 --- /dev/null +++ b/include/trace/events/hid-input.h @@ -0,0 +1,46 @@ +/* + * include/trace/events/hid-input.h + * + * Copyright (C) 2014 NVIDIA Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM hid-input + +#if !defined(_TRACE_HID_INPUT_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_HID_INPUT_H + +#include <linux/ktime.h> +#include <linux/tracepoint.h> + +TRACE_EVENT(hidinput_hid_event, + TP_PROTO(const char *name), + TP_ARGS(name), + TP_STRUCT__entry( + __field(const char *, name) + ), + TP_fast_assign( + __entry->name = name; + ), + TP_printk("name=%s", + __entry->name) +); + +#endif /* if !defined(_TRACE_HID_INPUT_H) || defined(TRACE_HEADER_MULTI_READ) */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |