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| author | Jisheng Zhang <Jisheng.Zhang@synaptics.com> | 2021-02-10 14:44:09 +0800 |
|---|---|---|
| committer | Jens Wiklander <jens.wiklander@linaro.org> | 2021-03-15 12:04:01 +0100 |
| commit | 0101947dbcc3204f08fb5b69a21dbd4b1535cad6 (patch) | |
| tree | 2ba855550f780984909662ad447621b10be76c99 /drivers/tee/optee/call.c | |
| parent | a38fd8748464831584a19438cbb3082b5a2dab15 (diff) | |
| download | linux-0101947dbcc3204f08fb5b69a21dbd4b1535cad6.tar.bz2 | |
tee: optee: add invoke_fn tracepoints
Add tracepoints to retrieve information about the invoke_fn. This would
help to measure how many invoke_fn are triggered and how long it takes
to complete one invoke_fn call.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Diffstat (limited to 'drivers/tee/optee/call.c')
| -rw-r--r-- | drivers/tee/optee/call.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tee/optee/call.c b/drivers/tee/optee/call.c index 7a77e375b503..6132cc8d014c 100644 --- a/drivers/tee/optee/call.c +++ b/drivers/tee/optee/call.c @@ -14,6 +14,8 @@ #include <linux/uaccess.h> #include "optee_private.h" #include "optee_smc.h" +#define CREATE_TRACE_POINTS +#include "optee_trace.h" struct optee_call_waiter { struct list_head list_node; @@ -138,9 +140,11 @@ u32 optee_do_call_with_arg(struct tee_context *ctx, phys_addr_t parg) while (true) { struct arm_smccc_res res; + trace_optee_invoke_fn_begin(¶m); optee->invoke_fn(param.a0, param.a1, param.a2, param.a3, param.a4, param.a5, param.a6, param.a7, &res); + trace_optee_invoke_fn_end(¶m, &res); if (res.a0 == OPTEE_SMC_RETURN_ETHREAD_LIMIT) { /* |