Commit 1e2c5b1f authored by Jim Harris's avatar Jim Harris
Browse files

nvmf: add dtrace probe for nvmf io path 



This can be used for multipath validation.

Signed-off-by: default avatarJim 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: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarDong Yi <dongx.yi@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent 0cedafeb

lib/nvmf/ctrlr.c

+4 −0
Original line number Diff line number Diff line
@@ -3820,6 +3820,10 @@ nvmf_ctrlr_process_io_cmd(struct spdk_nvmf_request *req) 
		return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;

	}



	SPDK_DTRACE_PROBE3(nvmf_request_io_exec_path, req,

			   req->qpair->ctrlr->listener->trid->traddr,

			   req->qpair->ctrlr->listener->trid->trsvcid);



	/* scan-build falsely reporting dereference of null pointer */

	assert(group != NULL && group->sgroups != NULL);

	ns_info = &group->sgroups[ctrlr->subsys->id].ns_info[nsid - 1];

scripts/bpf/nvmf_path.bt

0 → 100644
+3 −0
Original line number Diff line number Diff line 
usdt:__EXE__:nvmf_request_io_exec_path {

	printf("traddr:%s trsvcid:%s\n", str(arg2), str(arg3));

}