#include <palacios/vmm_sprintf.h>
-#ifdef CONFIG_TELEMETRY_GRANULARITY
-#define DEFAULT_GRANULARITY CONFIG_TELEMETRY_GRANULARITY
+#ifdef V3_CONFIG_TELEMETRY_GRANULARITY
+#define DEFAULT_GRANULARITY V3_CONFIG_TELEMETRY_GRANULARITY
#else
#define DEFAULT_GRANULARITY 50000
#endif
};
+static int free_callback(struct v3_vm_info * vm, struct telemetry_cb * cb);
+static int free_exit(struct guest_info * core, struct exit_event * event);
+
+
void v3_init_telemetry(struct v3_vm_info * vm) {
struct v3_telemetry_state * telemetry = &(vm->telemetry);
INIT_LIST_HEAD(&(telemetry->cb_list));
}
+void v3_deinit_telemetry(struct v3_vm_info * vm) {
+ struct telemetry_cb * cb = NULL;
+ struct telemetry_cb * tmp = NULL;
+
+ list_for_each_entry_safe(cb, tmp, &(vm->telemetry.cb_list), cb_node) {
+ free_callback(vm, cb);
+ }
+}
+
+
void v3_init_core_telemetry(struct guest_info * core) {
struct v3_core_telemetry * telemetry = &(core->core_telem);
telemetry->exit_root.rb_node = NULL;
}
+void v3_deinit_core_telemetry(struct guest_info * core) {
+ struct rb_node * node = v3_rb_first(&(core->core_telem.exit_root));
+ struct exit_event * evt = NULL;
+
+ while (node) {
+ evt = rb_entry(node, struct exit_event, tree_node);
+ node = v3_rb_next(node);
+
+ free_exit(core, evt);
+ }
+}
+
static inline struct exit_event * __insert_event(struct guest_info * info,
return evt;
}
+
+
+static int free_exit(struct guest_info * core, struct exit_event * evt) {
+ v3_rb_erase(&(evt->tree_node), &(core->core_telem.exit_root));
+ V3_Free(evt);
+ return 0;
+}
+
+
void v3_telemetry_start_exit(struct guest_info * info) {
rdtscll(info->core_telem.vmm_start_tsc);
}
// check if the exit count has expired
if ((telemetry->exit_cnt % telemetry->vm_telem->granularity) == 0) {
- v3_print_telemetry(info->vm_info);
+ v3_print_telemetry(info->vm_info, info);
}
}
-void v3_print_telemetry(struct v3_vm_info * vm) {
- struct v3_telemetry_state * telemetry = &(vm->telemetry);
- uint64_t invoke_tsc = 0;
- char hdr_buf[32];
- int i;
+static int free_callback(struct v3_vm_info * vm, struct telemetry_cb * cb) {
+ list_del(&(cb->cb_node));
+ V3_Free(cb);
+
+ return 0;
+}
- rdtscll(invoke_tsc);
- snprintf(hdr_buf, 32, "telem.%d>", telemetry->invoke_cnt++);
+static void telemetry_header(struct v3_vm_info *vm, char *hdr_buf, int len)
+{
+ struct v3_telemetry_state * telemetry = &(vm->telemetry);
+ snprintf(hdr_buf, len, "telem.%d>", telemetry->invoke_cnt);
+}
+static void print_telemetry_start(struct v3_vm_info *vm, char *hdr_buf)
+{
+ struct v3_telemetry_state * telemetry = &(vm->telemetry);
+ uint64_t invoke_tsc = 0;
+ rdtscll(invoke_tsc);
V3_Print("%stelemetry window tsc cnt: %d\n", hdr_buf, (uint32_t)(invoke_tsc - telemetry->prev_tsc));
+ telemetry->prev_tsc = invoke_tsc;
+}
+static void print_telemetry_end(struct v3_vm_info *vm, char *hdr_buf)
+{
+ V3_Print("%s Telemetry done\n", hdr_buf);
+}
- // Exit Telemetry
- for (i = 0; i < vm->num_cores; i++) {
- struct guest_info * core = &(vm->cores[i]);
- struct exit_event * evt = NULL;
- struct rb_node * node = v3_rb_first(&(core->core_telem.exit_root));
-
- V3_Print("Exit information for Core %d\n", core->cpu_id);
+static void print_core_telemetry(struct guest_info * core, char *hdr_buf)
+{
+ struct exit_event * evt = NULL;
+ struct rb_node * node = v3_rb_first(&(core->core_telem.exit_root));
- do {
- evt = rb_entry(node, struct exit_event, tree_node);
- const char * code_str = vmexit_code_to_str(evt->exit_code);
-
- V3_Print("%s%s:%sCnt=%u,%sAvg. Time=%u\n",
- hdr_buf,
- code_str,
- (strlen(code_str) > 13) ? "\t" : "\t\t",
- evt->cnt,
- (evt->cnt >= 100) ? "\t" : "\t\t",
- (uint32_t)(evt->handler_time / evt->cnt));
- } while ((node = v3_rb_next(node)));
+ V3_Print("Exit information for Core %d\n", core->vcpu_id);
+
+ if (!node) {
+ V3_Print("No information yet for this core\n");
+ return;
}
+ do {
+ evt = rb_entry(node, struct exit_event, tree_node);
+ const char * code_str = vmexit_code_to_str(evt->exit_code);
+
+ V3_Print("%s%s:%sCnt=%u,%sAvg. Time=%u\n",
+ hdr_buf, code_str,
+ (strlen(code_str) > 13) ? "\t" : "\t\t",
+ evt->cnt,
+ (evt->cnt >= 100) ? "\t" : "\t\t",
+ (uint32_t)(evt->handler_time / evt->cnt));
+ } while ((node = v3_rb_next(node)));
+ return;
+}
+void v3_print_core_telemetry(struct guest_info * core ) {
+ struct v3_vm_info *vm = core->vm_info;
+ struct v3_telemetry_state * telemetry = &(vm->telemetry);
+ char hdr_buf[32];
+
+ telemetry_header(vm, hdr_buf, 32);
+ telemetry->invoke_cnt++; // XXX this increment isn't atomic and probably should be
+
+ print_telemetry_start(vm, hdr_buf);
+ print_core_telemetry(core, hdr_buf);
+ print_telemetry_end(vm, hdr_buf);
+
+ return;
+}
+
+static void telemetry_callbacks(struct v3_vm_info * vm, char *hdr_buf)
+{
+ struct v3_telemetry_state * telemetry = &(vm->telemetry);
// Registered callbacks
{
struct telemetry_cb * cb = NULL;
cb->telemetry_fn(vm, cb->private_data, hdr_buf);
}
}
+}
- telemetry->prev_tsc = invoke_tsc;
+void v3_print_global_telemetry(struct v3_vm_info * vm) {
+ struct v3_telemetry_state * telemetry = &(vm->telemetry);
+ char hdr_buf[32];
- V3_Print("%s Telemetry done\n", hdr_buf);
+ telemetry_header(vm, hdr_buf, 32);
+ telemetry->invoke_cnt++; // XXX this increment isn't atomic and probably should be
+
+ print_telemetry_start( vm, hdr_buf );
+ telemetry_callbacks( vm, hdr_buf );
+ print_telemetry_end( vm, hdr_buf );
+}
+
+void v3_print_telemetry(struct v3_vm_info * vm, struct guest_info * core )
+{
+ struct v3_telemetry_state * telemetry = &(vm->telemetry);
+ char hdr_buf[32];
+
+ telemetry_header(vm, hdr_buf, 32);
+ telemetry->invoke_cnt++; // XXX this increment isn't atomic and probably should be
+
+ print_telemetry_start(vm, hdr_buf);
+ print_core_telemetry(core, hdr_buf);
+ telemetry_callbacks(vm, hdr_buf);
+ print_telemetry_end(vm, hdr_buf);
+ return;
}
