diff options
| author |   Andrew Jeffery <andrew@aj.id.au> | 2018-02-20 14:48:33 +1030 |
|---|---|---|
| committer |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-06-12 14:04:13 +1000 |
| commit | 918da95176beb743ff47b3bbfb0a4ee420658a95 (patch) | |
| tree | 6b60ae01368fc4b4c3ddc9dab0679496aae4d61c /include/trace | |
| parent | Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc (diff) | |
| download | linux-dev-918da95176beb743ff47b3bbfb0a4ee420658a95.tar.xz linux-dev-918da95176beb743ff47b3bbfb0a4ee420658a95.zip | |
fsi: gpio: Trace busy count
An observation from trace output of the existing FSI tracepoints was
that the remote device was sometimes reporting as busy. Add a new
tracepoint reporting the busy count in order to get a better grip on how
often this is the case.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Eddie James <eajames@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tested-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/fsi_master_gpio.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/trace/events/fsi_master_gpio.h b/include/trace/events/fsi_master_gpio.h index f95cf3264bf9..33e928c5acf3 100644 --- a/include/trace/events/fsi_master_gpio.h +++ b/include/trace/events/fsi_master_gpio.h @@ -64,6 +64,22 @@ TRACE_EVENT(fsi_master_gpio_break, ) ); + +TRACE_EVENT(fsi_master_gpio_poll_response_busy, + TP_PROTO(const struct fsi_master_gpio *master, int busy), + TP_ARGS(master, busy), + TP_STRUCT__entry( + __field(int, master_idx) + __field(int, busy) + ), + TP_fast_assign( + __entry->master_idx = master->master.idx; + __entry->busy = busy; + ), + TP_printk("fsi-gpio%d: device reported busy %d times", + __entry->master_idx, __entry->busy) +); + #endif /* _TRACE_FSI_MASTER_GPIO_H */ #include <trace/define_trace.h> |