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zhangyang-variable-monitor/testcase/helloworld.c
2023-11-17 01:59:41 -05:00

52 lines
1.2 KiB
C

#include "../source/uapi/monitor_user.h"
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#define NUM_VARS 2049
int main()
{
int i = 0;
int temps[NUM_VARS] = {0};
watch_arg watch_args[NUM_VARS] = {0};
cancel_watch();
for (i = 0; i < NUM_VARS; i++)
{
temps[i] = 100;
watch_args[i] = (watch_arg){
.task_id = getpid(),
.ptr = &temps[i],
.name = "temp",
.length_byte = sizeof(int),
.threshold = 110 + i,
.unsigned_flag = 0,
.greater_flag = 1,
.time_ns = 2000 + (i / 33) * 5000, // on hyper-v, 1us will block all system. 2us just fine, maybe 1us is too short for hyper-v
};
char name[20];
snprintf(name, sizeof(name), "temp%d", i);
// 拷贝字符串
strncpy(watch_args[i].name, name, (MAX_NAME_LEN + 1));
start_watch(watch_args[i]);
}
while (temps[NUM_VARS - 1] < 205)
{
for (i = 0; i < NUM_VARS; i++)
{
temps[i]++;
}
printf("Value of variable %d: %d", i, temps[0]);
printf("\n");
sleep(1);
}
cancel_watch();
return 0;
}