Commit dca7ef27 authored Apr 30, 2021 by Jim Harris Committed by Tomasz Zawadzki May 21, 2021

scripts: add bpf/readv.bt



This script captures a histogram of the returned values
from the readv syscall.  It can be useful for analyzing
the efficiency of our sock/posix implementation.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I910eb2e81e3416855cda7a3854982cd02476850e
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7712


Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>

parent cbb57e0d

scripts/bpf/readv.bt

0 → 100644

+3 −0

Original line number	Diff line number	Diff line
		tracepoint:syscalls:sys_exit_readv /pid == __PID__/ {
		@bytes = hist(args->ret);
		}