From f457ab6fcf8bd3df530636bfa795a0c0fd18bdba Mon Sep 17 00:00:00 2001 From: Vitaly Wool Date: Sun, 3 Mar 2019 23:04:24 +0100 Subject: Fill out extra info for a process Per request from the front-end, obtain extended information for the process specified by tid, and compose reply with that info. Change-Id: I514e20581b1a3513f68495b74e1f4c2f839870ad Signed-off-by: Vitaly Wool --- binding/task-manager-binding.c | 55 +++++++++++++++++++++++++++++++++++++++++- 1 file changed, 54 insertions(+), 1 deletion(-) diff --git a/binding/task-manager-binding.c b/binding/task-manager-binding.c index 16bbf9f..c9946c2 100644 --- a/binding/task-manager-binding.c +++ b/binding/task-manager-binding.c @@ -129,6 +129,52 @@ void kill_process(struct afb_req request) /* we don't signal success, there's no use for it */ } +void get_extra_info(struct afb_req request) +{ + struct json_object *ret_json, *json_obj; + json_object *req = afb_req_json(request); + int tid = json_object_get_int(req); + + ret_json = json_object_new_object(); + json_obj = json_object_new_object(); + + char path[32]; + char str_val[256]; + char param[80]; + + sprintf(path, "/proc/%d/sched", tid); + FILE *fsched = fopen(path, "r"); + + if (fsched == NULL) { + afb_req_fail(request, "Failed", "Error processing arguments."); + } + else { + json_object_object_add(json_obj, "tid", json_object_new_int(tid)); + + fscanf(fsched, "%255s", str_val); + json_object_object_add(json_obj, "cmd", json_object_new_string(str_val)); + + fscanf(fsched, "%*s"); // the '-' line + while (!feof(fsched)) { + fscanf(fsched, "%79s%*s%255s", param, str_val); + if (strstr(param, "exec_start")) + json_object_object_add(json_obj, "exec_start", json_object_new_string(str_val)); + else if (strstr(param, "vruntime")) + json_object_object_add(json_obj, "vruntime", json_object_new_string(str_val)); + else if (strstr(param, "sum_exec_runtime")) + json_object_object_add(json_obj, "sum_exec_runtime", json_object_new_string(str_val)); + else if (strstr(param, "prio")) + json_object_object_add(json_obj, "prio", json_object_new_string(str_val)); + } + } + fclose(fsched); + + json_object_object_add(ret_json, "msgType", json_object_new_string("extraInfo")); + json_object_object_add(ret_json, "info", json_obj); + + afb_req_success(request, ret_json, NULL); +} + int fill_pstat(proc_t *proc_info, struct pstat *pstat_values) { @@ -196,7 +242,14 @@ static const struct afb_verb_v2 _afb_verbs_v2_taskmanager[] = { .auth = NULL, .info = "Kill the process specified by tid", .session = AFB_SESSION_NONE_V2 - } + }, + { + .verb = "get_extra_info", + .callback = get_extra_info, + .auth = NULL, + .info = "Get exta info about current process", + .session = AFB_SESSION_NONE_V2 + }, }; -- cgit 1.2.3-korg