Spdk/scripts/bpf/readv.bt

tracepoint:syscalls:sys_exit_readv /pid == __PID__/ {
	@bytes = hist(args->ret);
}
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> 2021-04-30 22:35:01 +00:00			`tracepoint:syscalls:sys_exit_readv /pid == __PID__/ {`
			`@bytes = hist(args->ret);`
			`}`