void task_complete_event(resch_task_t *rt) {
unsigned long flags;
unsigned long timestamp;
resch_task_t *next;
resch_task_t temp;
unsigned long tempa;
tempa = linux_timestamp_microsec(0);
if (rt == NULL) {
printk(KERN_WARNING "(task_complete) rt == NULL???\n");
return;
}
timestamp = jiffies; //linux_timestamp_microsec(0);
active_queue_lock(rt->cpu_id, &flags);
next = active_next_prio_task(rt);
active_queue_unlock(rt->cpu_id, &flags);
if (next != NULL) {
store_event(rt, next, NULL, NULL, 0, timestamp, FALSE, FALSE);
}
else {
temp.pid = 0;
store_event(rt, &temp, NULL, NULL, 0, timestamp, FALSE, FALSE);
}
mikaoverhead += linux_timestamp_microsec(0)-tempa;
}
void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
int fd, int group_fd, unsigned long flags)
{
int errno_saved = errno;
if (store_event(attr, pid, cpu, fd, group_fd, flags))
die("test attr FAILED");
errno = errno_saved;
}
void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
int fd, int group_fd, unsigned long flags)
{
int errno_saved = errno;
if ((fd != -1) && store_event(attr, pid, cpu, fd, group_fd, flags)) {
pr_err("test attr FAILED");
exit(128);
}
errno = errno_saved;
}
void task_release_event(resch_task_t *rt) {
unsigned long flags;
unsigned long timestamp;
resch_task_t *curr;
resch_task_t temp;
unsigned long tempa;
tempa = linux_timestamp_microsec(0);
if (rt == NULL) {
printk(KERN_WARNING "(task_release) rt == NULL???\n");
return;
}
timestamp = jiffies; //linux_timestamp_microsec(0);
active_queue_lock(rt->cpu_id, &flags);
curr = active_highest_prio_task(rt->cpu_id);
active_queue_unlock(rt->cpu_id, &flags);
if (curr != NULL) {
if (rt->prio > curr->prio) { // This means context switch!
store_event(curr, rt, NULL, NULL, 1, timestamp, FALSE, FALSE);
}
else { // Released task is not preempting, just register a task release (but no context switch)...
store_event(rt, rt, NULL, NULL, 2, timestamp, FALSE, FALSE);
}
}
else { // Ready queue was empty (besides the new task), means that idle task was running...
temp.pid = 0;
store_event(&temp, rt, NULL, NULL, 1, timestamp, FALSE, FALSE);
}
mikaoverhead += linux_timestamp_microsec(0)-tempa;
}
int main(int argc, char* argv[])
{
int i = 0;
int fd;
struct pollfd* mfds = (struct pollfd*)calloc(1, sizeof(struct pollfd));
int mfd_count = 0;
int nr;
struct input_event event;
int store_fd;
char** dev_name;
if(argc < 2)
{
fprintf(stderr, "error input\n");
usage(argv[0]);
exit(-1);
}
if(strcmp(argv[1], "a1") == 0)
{
dev_name = dev_name_a1;
}
else if (strcmp(argv[1], "a310") == 0)
{
dev_name = dev_name_a310;
}
else if (strcmp(argv[1], "a810") == 0)
{
dev_name = dev_name_a810;
}
else
{
fprintf(stderr, "error input argv[1]: %s\n", argv[1]);
usage(argv[0]);
exit(-1);
}
i = 0;
while(dev_name[i] != NULL)
{
printf("open %s\n", dev_name[i]);
fd = open_dev(dev_name[i]);
if(fd > 0)
{
struct pollfd* new_mfds = (struct pollfd*)realloc(mfds, sizeof(struct pollfd)*(mfd_count + 1));
if(new_mfds == NULL)
{
fprintf(stderr, "realloc out of memeory\n");
return -1;
}
mfds = new_mfds;
mfds[i].fd = fd;
mfds[i].events = POLLIN;
mfd_count++;
}
i++;
}
//open store file
store_fd = open(gen_filename(), O_RDWR|O_CREAT);
if(store_fd < 0)
{
fprintf(stderr, "fail to open record file\n");
exit(-1);
}
while(1)
{
nr = poll(mfds, mfd_count, 0);
if(nr <= 0)
continue;
for(i = 0; i < mfd_count; i++)
{
if(mfds[i].revents == POLLIN)
{
int ret = read(mfds[i].fd, &event, sizeof(event));
if(ret == sizeof(event))
{
show_event(&event);
store_event(store_fd, &event);
}
}
}
}
return 0;
}