zx_sampler_stop
Summary
Stop writing samples to the provided IOBuffer.
Declaration
#include <zircon/syscalls.h>
zx_status_t zx_sampler_stop(zx_handle_t iobuffer);
Description
Stop sampling each attached thread and finish writing any in flight
samples to the iobuffer. This call will return after no additional
samples will be written. The provided IOBuffer must be one previously
returned by zx_sampler_create.
Attempting to stop a session which has already been stopped will return
an error, but will not modify the session.
Errors
ZX_ERR_NOT_SUPPORTED kernel.enable-debugging-syscalls is not set to true
on the kernel command line.
ZX_ERR_PERMISION_DENIED iobuffer is not an IOBuffer returned by zx_sampler_create.
ZX_ERR_BAD_STATE the sampler has not started or has already been
stopped
See also
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Last updated 2026-08-31 UTC.
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