open Vmm_core open Vmm_stats_pure let timer pid vmmapi = let rusage = sysctl_rusage pid in Logs.app (fun m -> m "sysctl rusage: %a" Stats.pp_rusage_mem rusage) ; let kinfo_mem = sysctl_kinfo_mem pid in Logs.app (fun m -> m "kinfo mem: %a" Stats.pp_kinfo_mem kinfo_mem) ; match vmmapi with | None -> () | Some vmctx -> match wrap vmmapi_stats vmctx with | None -> Logs.app (fun m -> m "no vmctx stats") | Some st -> let all = List.combine !descr st in Logs.app (fun m -> m "bhyve stats %a" Stats.pp_vmm_mem all) let jump _ pid name interval = Sys.(set_signal sigpipe Signal_ignore) ; let interval = Duration.(to_f (of_sec interval)) in Lwt_main.run ( let vmmapi = match name with | None -> Logs.warn (fun m -> m "no name, no vmmapi") ; None | Some name -> match wrap vmmapi_open name with | None -> Logs.warn (fun m -> m "vmmapi_open failed for %s" name) ; None | Some vmctx -> Logs.info (fun m -> m "vmmapi_open succeeded for %s" name) ; Vmm_stats_pure.fill_descr vmctx ; Some vmctx in let _ev = Lwt_engine.on_timer interval true (fun _e -> timer pid vmmapi) in let t, _u = Lwt.task () in t) open Cmdliner open Vmm_cli let interval = let doc = "Interval between statistics gatherings (in seconds)" in Arg.(value & opt int 10 & info [ "interval" ] ~doc) let pid = let doc = "Process id (defaults to own pid)" in Arg.(value & opt int (Unix.getpid ()) & info [ "pid" ] ~doc) let vmname = let doc = "VM name" in Arg.(value & opt (some string) None & info [ "name" ] ~doc) let cmd = Term.(ret (const jump $ setup_log $ pid $ vmname $ interval)), Term.info "vmmd_stats" ~version:"%%VERSION_NUM%%" let () = match Term.eval cmd with `Ok () -> exit 0 | _ -> exit 1