diff options
| author | Venkat Gopalakrishnan <venkatg@codeaurora.org> | 2014-06-09 14:00:31 -0700 |
|---|---|---|
| committer | Subhash Jadavani <subhashj@codeaurora.org> | 2016-05-27 10:29:09 -0700 |
| commit | 10cf95ae7737dbd2c5a955a0822928c40e116f62 (patch) | |
| tree | 5b8cb1649090798850fc7db2ea71c953320d9c70 /include/trace | |
| parent | 9ecd59212542e74205ed782a84ea6b7bf535c5c2 (diff) | |
mmc: sdhci: Add tracepoints to enhance debugging
Instrument the sdhci driver with tracepoints to aid in
debugging issues and identifying latencies in the following
path:
* CMD completion
* DATA completion
* DMA preparation
* Post DMA cleanup
Change-Id: Ie8cd0c2fb6c1bd6ab13883123be021081f8b8f78
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
[subhashj@codeaurora.org: fixed minor merge conflict]
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/mmc.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/include/trace/events/mmc.h b/include/trace/events/mmc.h index 82b368dbcefc..22cf81b2d9ff 100644 --- a/include/trace/events/mmc.h +++ b/include/trace/events/mmc.h @@ -1,5 +1,6 @@ /* * Copyright (C) 2013 Google, Inc. + * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and @@ -85,6 +86,78 @@ DEFINE_EVENT_CONDITION(mmc_blk_rw_class, mmc_blk_rw_end, TP_CONDITION(((cmd == MMC_READ_MULTIPLE_BLOCK) || (cmd == MMC_WRITE_MULTIPLE_BLOCK)) && data)); + +TRACE_EVENT(mmc_cmd_rw_start, + TP_PROTO(unsigned int cmd, unsigned int arg, unsigned int flags), + TP_ARGS(cmd, arg, flags), + TP_STRUCT__entry( + __field(unsigned int, cmd) + __field(unsigned int, arg) + __field(unsigned int, flags) + ), + TP_fast_assign( + __entry->cmd = cmd; + __entry->arg = arg; + __entry->flags = flags; + ), + TP_printk("cmd=%u,arg=0x%08x,flags=0x%08x", + __entry->cmd, __entry->arg, __entry->flags) +); + +TRACE_EVENT(mmc_cmd_rw_end, + TP_PROTO(unsigned int cmd, unsigned int status, unsigned int resp), + TP_ARGS(cmd, status, resp), + TP_STRUCT__entry( + __field(unsigned int, cmd) + __field(unsigned int, status) + __field(unsigned int, resp) + ), + TP_fast_assign( + __entry->cmd = cmd; + __entry->status = status; + __entry->resp = resp; + ), + TP_printk("cmd=%u,int_status=0x%08x,response=0x%08x", + __entry->cmd, __entry->status, __entry->resp) +); + +TRACE_EVENT(mmc_data_rw_end, + TP_PROTO(unsigned int cmd, unsigned int status), + TP_ARGS(cmd, status), + TP_STRUCT__entry( + __field(unsigned int, cmd) + __field(unsigned int, status) + ), + TP_fast_assign( + __entry->cmd = cmd; + __entry->status = status; + ), + TP_printk("cmd=%u,int_status=0x%08x", + __entry->cmd, __entry->status) +); + +DECLARE_EVENT_CLASS(mmc_adma_class, + TP_PROTO(unsigned int cmd, unsigned int len), + TP_ARGS(cmd, len), + TP_STRUCT__entry( + __field(unsigned int, cmd) + __field(unsigned int, len) + ), + TP_fast_assign( + __entry->cmd = cmd; + __entry->len = len; + ), + TP_printk("cmd=%u,sg_len=0x%08x", __entry->cmd, __entry->len) +); + +DEFINE_EVENT(mmc_adma_class, mmc_adma_table_pre, + TP_PROTO(unsigned int cmd, unsigned int len), + TP_ARGS(cmd, len)); + +DEFINE_EVENT(mmc_adma_class, mmc_adma_table_post, + TP_PROTO(unsigned int cmd, unsigned int len), + TP_ARGS(cmd, len)); + #endif /* _TRACE_MMC_H */ /* This part must be outside protection */ |