configs: Add FTRACE_SYSCALLS=y #6759
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This option adds 170kB to the uncompressed ARMv7 kernel - the one which is most size sensitive, since the memories are smallest:
Are you happy with this, @popcornmix? |
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The size increase is more than I expected. Perhaps this needs more thought to see exactly how many users it would benefit. I did ask a colleague who has been using perfetto for tracing system activity if this would be useful and he says perfetto already supports tracing syscalls using these events: |
Signed-off-by: Phil Elwell <[email protected]>
FTRACE_SYSCALLS enables the syscall entry and exit events to be traced. See: raspberrypi#6752 Signed-off-by: Phil Elwell <[email protected]>
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kernel: configs: Add FTRACE_SYSCALLS=y See: raspberrypi/linux#6759 kernel: drm/v3d: Don't retrieve the clock twice See: raspberrypi/linux#6830 kernel: Update panel-ilitek-ili9881c.c See: raspberrypi/linux#6836
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kernel: configs: Add FTRACE_SYSCALLS=y See: raspberrypi/linux#6759 kernel: drm/v3d: Don't retrieve the clock twice See: raspberrypi/linux#6830 kernel: Update panel-ilitek-ili9881c.c See: raspberrypi/linux#6836
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FTRACE_SYSCALLS enables the syscall entry and exit events to be traced.
See: #6752