Spdk/scripts/bpf/nvmf_path.bt

usdt:__EXE__:nvmf_request_io_exec_path {
	@path[str(arg2), str(arg3)] = count();
}

interval:s:1 {
	print(@path);
	clear(@path);
}
nvmf: add dtrace probe for nvmf io path This can be used for multipath validation. Signed-off-by: Jim Harris <james.r.harris@intel.com> Change-Id: Iba62c5e90b22a9a85078fbc783d3a7273c029cde Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10137 Community-CI: Mellanox Build Bot Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Dong Yi <dongx.yi@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> 2021-11-05 19:59:56 +00:00			`usdt:__EXE__:nvmf_request_io_exec_path {`
bpf: use map in nvmf_path.bt Modify nvmf_path.bt to collect the (ip, port) tuples in a map, and then print the map every second. This generates a lot less output than printing the path for every single I/O. Signed-off-by: Jim Harris <james.r.harris@intel.com> Change-Id: I8f655ed7a4558735f51ddf1169134fbf6950cc1c Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10616 Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Shuhei Matsumoto <smatsumoto@nvidia.com> Reviewed-by: Monica Kenguva <monica.kenguva@intel.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> 2021-12-09 20:25:21 +00:00			`@path[str(arg2), str(arg3)] = count();`
			`}`

			`interval:s:1 {`
			`print(@path);`
			`clear(@path);`
nvmf: add dtrace probe for nvmf io path This can be used for multipath validation. Signed-off-by: Jim Harris <james.r.harris@intel.com> Change-Id: Iba62c5e90b22a9a85078fbc783d3a7273c029cde Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10137 Community-CI: Mellanox Build Bot Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Dong Yi <dongx.yi@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> 2021-11-05 19:59:56 +00:00			`}`