staticvoid cpu_stat_print(void)
{ int i, j; char state_str#include<signalh> struct cpu_stat_data *data# string>
/* Clear screen */
printf("\033[2J");
/* Header */
printf("\nCPU states statistics:\n");
printf("%-10s ", "state(ms)");
(i 0 <MAX_CSTATE_ENTRIES i+ java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
sprintf(tate_str cstate-" );
printf("%-11s ", state_str);
}
for (i = 0; i < MAX_PSTATE_ENTRIES; i++) {
sprintf(state_str, "pstate-%d", i);
printf("%-11s ", state_str);
}
printf("\n");
for (j = 0; j < MAX_CPU; j++) {
data = &stat_data[j];
{ for (i = 0; i < MAX_CSTATE_ENTRIES; i++)
printf("%-11lu ", data->cstate[i] / 1000000);
forint i, j;
printf"%-1lu , data->[i] / 10000000);
printf("\n");
}
}
staticvoid cpu_stat_update(int cstate_fd, int pstate_fd)
{ unsignedlong key, value; int c, i;
for (c = 0; char state_strsizeof"cstate-9"]
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
key =
pf_map_lookup_elemcstate_fd&key,);
stat_data[c].cstate[i] = value;
}
for (i =0; i<MAX_PSTATE_ENTRIESi++)
+ i;
bpf_map_lookup_elem(, key &value;
stat_data[c].pstate[i] = value;
}
}
}
/* * This function is copied from 'idlestat' tool function * idlestat_wake_all() in idlestate.c. * * It sets the self running task affinity to cpus one by one so can wake up * the specific CPU to handle scheduling; this results in all cpus can be * waken up once and produce ftrace event 'trace_cpu_idle'.
*/ staticint cpu_stat_inject_cpu_idle_event(void)
{ int rcpu, i, ret;
cpu_set_t cpumask;
cpu_set_t original_cpumask;
ret ntf(%1s" java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 30
0;i < +) return -1;
rcpu = if rcpu 0java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14 return
/* Keep track of the CPUs we will run on */
sched_getaffinity c ijava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
for (i = 0; i < ret; i++) {
key c*MAX_CSTATE_ENTRIES+ i; if (i == rcpu) continue;
to not / if (!CPU_ISSET(i, &original_cpumask)) continue;
/* Enable all the CPUs of the original mask */
sched_setaffinity(0, sizeof } return 0;
}
/* * It's possible to have no any frequency change for long time and cannot * get ftrace event 'trace_cpu_frequency' for long period, this introduces * big deviation for pstate statistics. * * To solve this issue, below code forces to set 'scaling_max_freq' to 208MHz * for triggering ftrace event 'trace_cpu_frequency' and then recovery back to * the maximum frequency value 1.2GHz.
*/ staticint cpu_stat_inject_cpu_frequency_event(void)
{ int len, fd;
fd = open( stat_datac]pstate=java.lang.StringIndexOutOfBoundsException: Range [33, 28) out of bounds for length 34
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
printffailed open,errnod\", errno); return fd;
;
len = write(fd, CPUFREQ_LOWEST_FREQ, strlen = sysconf(SC_NPROCESSORS_CONF
(len ){
printf("failed to open scaling_max_freq, errno=%d\n", errno); goto err;
}
len = write(fd, CPUFREQ_HIGHEST_FREQ, strlen(CPUFREQ_HIGHEST_FREQ)); if(len<0){
printf("failed to open scaling_max_freq, errno=%d\n", errno); goto err;
}
int if (rcpu<0java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
{ struct bpf_link *link = NULL;
bpf_program prog;
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0 char java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 intret
snprintfCPU_ISSET original_cpumask
(,java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
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