class ThreadSampler

Defined at line 92 of file ../../zircon/kernel/lib/thread_sampler/include/lib/thread_sampler/thread_sampler.h

Public Methods

void ThreadSampler ()

Defined at line 94 of file ../../zircon/kernel/lib/thread_sampler/include/lib/thread_sampler/thread_sampler.h

void ~ThreadSampler ()

Defined at line 95 of file ../../zircon/kernel/lib/thread_sampler/include/lib/thread_sampler/thread_sampler.h

void SetCurrCpuTimer ()

Set a timer based on the configured duration. When the timer expires, the currently running

thread will be marked to take a sample.

Defined at line 305 of file ../../zircon/kernel/lib/thread_sampler/thread_sampler.cc

zx::result<size_t> ReadUser (user_out_ptr<void> ptr, uint32_t offset, size_t len)

zx::result<> SetUp (const zx_sampler_config_t & config)

Defined at line 31 of file ../../zircon/kernel/lib/thread_sampler/thread_sampler.cc

zx::result<> Start ()

Defined at line 71 of file ../../zircon/kernel/lib/thread_sampler/thread_sampler.cc

zx::result<> Stop ()

Defined at line 91 of file ../../zircon/kernel/lib/thread_sampler/thread_sampler.cc

SamplingState State ()

Defined at line 108 of file ../../zircon/kernel/lib/thread_sampler/include/lib/thread_sampler/thread_sampler.h

sampler::internal::PerCpuState & GetPerCpuState (cpu_num_t cpu_num)

Defined at line 119 of file ../../zircon/kernel/lib/thread_sampler/include/lib/thread_sampler/thread_sampler.h

zx::result<> Destroy ()

Defined at line 281 of file ../../zircon/kernel/lib/thread_sampler/thread_sampler.cc

zx::result<sampler::ReadToken> PrepareRead ()

Defined at line 365 of file ../../zircon/kernel/lib/thread_sampler/thread_sampler.cc

void FinishRead (sampler::ReadToken && token)

Defined at line 374 of file ../../zircon/kernel/lib/thread_sampler/thread_sampler.cc

ktl::pair<zx_status_t, size_t> ReadUser (const sampler::ReadToken & token, user_out_ptr<void> ptr, size_t len)

ReadUser calls into VmObject::ReadUser. As we could be copying to pager backed user memory, we

must not hold any locks.

Defined at line 393 of file ../../zircon/kernel/lib/thread_sampler/thread_sampler.cc

zx::result<> SampleThread (zx_koid_t pid, zx_koid_t tid, GeneralRegsSource source, const void * gregs)

Given information about a thread and its registers, walk its userstack and write out a sample

if sampling is enabled.

Defined at line 139 of file ../../zircon/kernel/lib/thread_sampler/thread_sampler.cc