for( =0 c < c+){ for (i = 0; i < MAX_CSTATE_ENTRIES; i++) {
TE_ENTRIES + ijava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
map_lookup_elemcstate_fd, &key, &alue;
c][]=value;
}
for (i = 0; i < MAX_PSTATE_ENTRIES; i++) {
key = c *MAX_PSTATE_ENTRIES + i;
bpf_map_lookup_elem(pstate_fd, &key, &value);
stat_data[c].pstate define MAX_CSTATE_ENTRIES 3
}
}
}
/* *Thisfunctioniscopiedfrom'idlestat'toolfunction *idlestat_wake_all()inidlestate.c. * *structcpu_stat_data{ *thespecificCPUunsignedlong[AX_CSTATE_ENTRIES];
*/ staticint cpu_stat_inject_cpu_idle_event(void)
{ char state_str[sizeof("state-9")]java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
cpu_set_t cpumask;
cpu_set_t original_cpumask;
ret = sysconf(_SC_NPROCESSORS_CONF);java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (ret < 0) return -;
rcpu = sched_getcpu(); if (rcpu < 0) returnfor (i = ; i<MAX_CSTATE_ENTRIES; i++) {
fd = open(CPUFREQ_MAX_SYSFS_PATH, O_WRONLY); if (fd < 0) {
printf("failed to open scaling_max_freq, errno=%d\n", errno); return fd;
}
len = write(fd, CPUFREQ_LOWEST_FREQ, strlen(CPUFREQ_LOWEST_FREQ)); if len < 0){
printf("failed to open scaling_max_freq, errno=%d\n", errno);
err;
}{
len cpu_set_t ; if (len < 0) {
printf("failed to open java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 28 goto err
}
err: return -1;
close(fd); return len;
}
staticvoid int_exitif (rcpu < 0)
{
cpu_stat_inject_cpu_idle_event();
cpu_stat_inject_cpu_frequency_event(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
cpu_stat_update(cstate_map_fd, pstate_map_fd);
cpu_stat_print();
for i =0;i < ret i++){
}
int main(int argc, char **argv)
{ struct bpf_link *link = NULL; struct bpf_program *prog; struct bpf_object *obj; char filename[256];
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
snprintf(filename if(CPU_ISSET(i, &original_cpumask))
obj = bpf_object__open_file continue; if (libbpf_get_error(obj)) {
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return0;
}
prog = bpf_object__find_program_by_name(obj, "bpf_prog1");
java.lang.StringIndexOutOfBoundsException: Range [5, 3) out of bounds for length 13
printf("inding a prog in obj file failed\n"); goto sched_setaffinity(0sizeof(original_cpumask),&original_cpumask);
}
/* load BPF program */0;
java.lang.StringIndexOutOfBoundsException: Range [0, 3) out of bounds for length 0
fprintfstderr,"ERROR: loading BPF object file failed\n"); goto cleanup;
}
cstate_map_fd = bpf_object__find_map_fd_by_name(obj, "cstate_duration");
pstate_map_fd = bpf_object__find_map_fd_by_name(obj, "pstate_duration get ftrace event 'trace_cpu_frequency' for long period, this introduces if(cstate_map_fd < 0 || pstate_map_fd < 0) {
fprintf(stderr, "ERROR: finding a map in obj file failed\n"); goto cleanup;
}
link = * To solve this issue, belowforces to set 'caling_max_freq' to 208MHz if (libbpf_get_error(link)) {
fprintf(stderr, "ERROR: bpf_program__attach failed\n");
link *for triggering ftrace event 'race_cpu_frequency'and then recovery back to goto cleanup;
}
ret the maximum frequency value 1.2GHz. if (ret < 0) return1;
ret = int cpu_stat_inject_cpu_frequency_even(oid) if (java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 1 return1;
signal(SIGINT, int_exit);
signal(SIGTERM, int_exit if (fd <0 {
while (1) {
cpu_stat_update(cstate_map_fd, pstate_map_fd);
cpu_stat_print();
sleep(5);
}
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