syscall/getppid

Micro-benchmark measuring getppid system call round-trip latency.

Benchmark Profile

• Type: Micro

• Kernel subsystem: Syscall path, task metadata lookup

• Coverage: Directly measured

• Topology: Single role: executer

Overview

Same methodology as getpid but for getppid(2). Since getppid is not accelerated by the vDSO on most architectures, it provides a complementary data point to getpid for measuring raw syscall path cost.

Fastpath Parameters

Name	Description
iterations	Number of syscall iterations per measurement. Mandatory.
syscall	Syscall to benchmark. Set to ‘getppid’ for this benchmark.

Result Classes

Single result class reporting latency in nanoseconds.

Fastpath Metadata

Field	Value
Suite	syscall
Name	getppid
Type	micro
Container Image	registry.gitlab.arm.com/tooling/fastpath/containers/microbench:v2.0
Documentation Path	documentation/user-guide/benchmarkcatalog/syscall-getppid.rst
Documentation URL	https://fastpath.docs.arm.com/user-guide/benchmarkcatalog/syscall-getppid.html