Thread (12 messages) 12 messages, 4 authors, 2021-03-25

Re: [PATCH] tee: optee: add invoke_fn tracepoints

From: Guenter Roeck <linux@roeck-us.net>
Date: 2021-03-24 14:34:59
Also in: lkml, op-tee

On Wed, Feb 10, 2021 at 02:44:09PM +0800, Jisheng Zhang wrote:
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 <redacted>
arm64:defconfig:

make-arm64 -j drivers/tee/optee/call.o
  CALL    scripts/atomic/check-atomics.sh
  CALL    scripts/checksyscalls.sh
  CC      drivers/tee/optee/call.o
In file included from drivers/tee/optee/optee_trace.h:67,
                 from drivers/tee/optee/call.c:18:
./include/trace/define_trace.h:95:42: fatal error: ./optee_trace.h: No such file or directory
   95 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
      |                                          ^
compilation terminated.

Guenter

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