#include <palacios/vmm_types.h>
#include <palacios/vmm_telemetry.h>
#include <palacios/svm_handler.h>
+#include <palacios/vmx_handler.h>
#include <palacios/vmm_rbtree.h>
#include <palacios/vmm_sprintf.h>
+
#ifdef V3_CONFIG_TELEMETRY_GRANULARITY
#define DEFAULT_GRANULARITY V3_CONFIG_TELEMETRY_GRANULARITY
#else
static inline struct exit_event * create_exit(uint_t exit_code) {
struct exit_event * evt = V3_Malloc(sizeof(struct exit_event));
+ if (!evt) {
+ PrintError(VM_NONE, VCORE_NONE, "Cannot allocate in createing exit in telemetry\n");
+ return NULL;
+ }
+
evt->exit_code = exit_code;
evt->cnt = 0;
evt->handler_time = 0;
// check if the exit count has expired
if ((telemetry->exit_cnt % telemetry->vm_telem->granularity) == 0) {
- v3_print_global_telemetry(info->vm_info);
- v3_print_core_telemetry(info);
+ v3_print_telemetry(info->vm_info, info);
}
}
struct v3_telemetry_state * telemetry = &(vm->telemetry);
struct telemetry_cb * cb = (struct telemetry_cb *)V3_Malloc(sizeof(struct telemetry_cb));
+ if (!cb) {
+ PrintError(vm, VCORE_NONE, "Cannot allocate in adding a telemtry callback\n");
+ return ;
+ }
+
cb->private_data = private_data;
cb->telemetry_fn = telemetry_fn;
}
-void v3_print_core_telemetry(struct guest_info * core ) {
+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(vm, VCORE_NONE, "%stelemetry window tsc cnt: %u\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(vm, VCORE_NONE, "%s Telemetry done\n", hdr_buf);
+}
+
+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));
-
- V3_Print("Exit information for Core %d\n", core->vcpu_id);
+
+ V3_Print(core->vm_info, core, "Exit information for Core %d\n", core->vcpu_id);
if (!node) {
- V3_Print("No information yet for this core\n");
+ V3_Print(core->vm_info, core, "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:%sCnt=%u,%sAvg. Time=%u\n",
- code_str,
- (strlen(code_str) > 13) ? "\t" : "\t\t",
- evt->cnt,
- (evt->cnt >= 100) ? "\t" : "\t\t",
- (uint32_t)(evt->handler_time / evt->cnt));
+ extern v3_cpu_arch_t v3_mach_type;
+ const char * code_str = NULL;
+
+ evt = rb_entry(node, struct exit_event, tree_node);
+
+ switch (v3_mach_type) {
+ case V3_SVM_CPU:
+ case V3_SVM_REV3_CPU:
+
+ code_str = v3_svm_exit_code_to_str(evt->exit_code);
+ break;
+ case V3_VMX_CPU:
+ case V3_VMX_EPT_CPU:
+ case V3_VMX_EPT_UG_CPU:
+ code_str = v3_vmx_exit_code_to_str(evt->exit_code);
+ break;
+
+ default:
+ continue;
+ }
+
+ V3_Print(core->vm_info, core, "%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_global_telemetry(struct v3_vm_info * vm) {
+void v3_print_core_telemetry(struct guest_info * core ) {
+ struct v3_vm_info *vm = core->vm_info;
struct v3_telemetry_state * telemetry = &(vm->telemetry);
- uint64_t invoke_tsc = 0;
char hdr_buf[32];
+
+ telemetry_header(vm, hdr_buf, 32);
+ telemetry->invoke_cnt++; // XXX this increment isn't atomic and probably should be
- rdtscll(invoke_tsc);
-
- snprintf(hdr_buf, 32, "telem.%d>", telemetry->invoke_cnt++);
+ print_telemetry_start(vm, hdr_buf);
+ print_core_telemetry(core, hdr_buf);
+ print_telemetry_end(vm, hdr_buf);
- V3_Print("%stelemetry window tsc cnt: %d\n", hdr_buf, (uint32_t)(invoke_tsc - telemetry->prev_tsc));
+ 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];
+
+ telemetry_header(vm, hdr_buf, 32);
+ telemetry->invoke_cnt++; // XXX this increment isn't atomic and probably should be
- V3_Print("%s Telemetry done\n", hdr_buf);
+ 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;
}
