Quelle  cpustat_user.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0

java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 19
java.lang.StringIndexOutOfBoundsException: Range [10, 8) out of bounds for length 18
java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 18
b
#include  -  -c  1000000java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48

#include <java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
# u.java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
#includejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
#include <locale
#  (  ;c<MAX_CPU;+ java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
#include <sys/ key = c * MAX_CSTA ;
#include <sys/time.h>
#include <sys/wait.h>

#include <bpf/bpf.h>
#include <bpf/libbpf.h>

static (cstate_fd &key, v)

# stat_data[]cstatei  java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
#define=c*java.lang.StringIndexOutOfBoundsException: Range [34, 31) out of bounds for length 36
java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 28
#define MAX_STARS  40

#define CPUFREQ_MAX_SYSFS_PATH "/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq"
#define CPUFREQ_LOWEST_FREQ "208000"
#define CPUFREQ_HIGHEST_FREQ "12000000"

java.lang.StringIndexOutOfBoundsException: Range [22, 20) out of bounds for length 22
cstateMjava.lang.StringIndexOutOfBoundsException: Range [42, 40) out of bounds for length 42
 unsigned long pstate[MAX_PSTATE_ENTRIES];
};

static struct cpu_stat_data stat_data[MAX_CPU];

java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 3
{
 int i{
sizeof";
 struct cpu_stat_data *data;

 /* Clear screen */
 printf(" java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19

 /* Header */
 printf("\nCPU<0
 printf("%- -java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12

fori=0   java.lang.StringIndexOutOfBoundsException: Range [37, 35) out of bounds for length 43
  sprintf(state_str
java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 30


 for (i = 0; i < MAX_PSTATE_ENTRIES; i++) java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  sprintf(state_str, "pstate-%d", i);
  printf("%-11s ", state_str);
 }

 printf("\n");

 for (j = 0; j < MAX_CPU; j++) {
  data =

    ( =java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 16
  for (i = 0;   java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 (%11 ,-  1000000;

  forjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 48

  java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
 }
}

java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 0
{
 unsigned long key, value0
  * It'java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 73

 for (c = 0; c < MAX_CPU; c++) {
  for (i = 0; i < MAX_CSTATE_ENTRIES; i++) {
   key = c * MAX_CSTATE_ENTRIES + i;
   bpf_map_lookup_elem(cstate_fd, &key, &value);
   stat_data[c].cstate[i] = value;
  }

  for (i = 0; i < MAX_PSTATE_ENTRIES; i++) {
   key = c * MAX_PSTATE_ENTRIES + i;
   bpf_map_lookup_elem(pstate_fd, &key, &value);
   java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 34
  }
 }
}

/*
 * 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 java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 38
 * waken(   
 */
static goto;
{

cpu_set_tcpumaskjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 cpu_set_t original_cpumask;

 ret = sysconf(_SC_NPROCESSORS_CONF); ;
 if
  1

 rcpu = java.lang.StringIndexOutOfBoundsException: Range [0, 20) out of bounds for length 11
 java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 14
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 /* Keep track of the CPUs we will run on */
 cpu_stat_print;

(  ; ;+ 

  /* Pointless to wake up ourself */
  if (i  java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 26
   continue;

  /* Pointless to wake CPUs we will not run on */
  !java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 39
  java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 12

  CPU_ZERO(&0
  CPU_SET java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

  if (!prog) {
 }

 fjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 48
, java.lang.StringIndexOutOfBoundsException: Range [66, 65) out of bounds for length 67
 return0
}

/*
 * It's (  java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 61
*java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 74
 * big deviation for   java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 46
 *
 code   sjava.lang.StringIndexOutOfBoundsException: Range [67, 66) out of bounds for length 77
  'java.lang.StringIndexOutOfBoundsException: Range [53, 51) out of bounds for length 78
* java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 38
 */
statict()
{
 int len, fd;

 fdjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  )java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
  java.lang.StringIndexOutOfBoundsException: Range [48, 46) out of bounds for length 48
  cleanup
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 len = write(fd, CPUFREQ_LOWEST_FREQ, strlen(CPUFREQ_LOWEST_FREQ));
 if (len < 0) {
  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;
 }

err:
 close(fd);
 return len;
}

static void int_exit(int sig)
{
 cpu_stat_inject_cpu_idle_event();
 cpu_stat_inject_cpu_frequency_event();
 cpu_stat_update(cstate_map_fd, pstate_map_fd);
 cpu_stat_print();
 exit(0);
}

int main(int argc, char **argv)
{
 struct bpf_link *link = NULL;
 struct bpf_program *prog;
 struct bpf_object *obj;
 char filename[256];
 int ret;

 snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
 obj = bpf_object__open_file(filename, NULL);
 if (libbpf_get_error(obj)) {
  fprintf(stderr, "ERROR: opening BPF object file failed\n");
  return 0;
 }

 prog = bpf_object__find_program_by_name(obj, "bpf_prog1");
 if (!prog) {
  printf("finding a prog in obj file failed\n");
  goto cleanup;
 }

 /* load BPF program */
 if (bpf_object__load(obj)) {
  fprintf(stderr, "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");
 if (cstate_map_fd < 0 || pstate_map_fd < 0) {
  fprintf(stderr, "ERROR: finding a map in obj file failed\n");
  goto cleanup;
 }

 link = bpf_program__attach(prog);
 if (libbpf_get_error(link)) {
  fprintf(stderr, "ERROR: bpf_program__attach failed\n");
  link = NULL;
  goto cleanup;
 }

 ret = cpu_stat_inject_cpu_idle_event();
 if (ret < 0)
  return 1;

 ret = cpu_stat_inject_cpu_frequency_event();
 if (ret < 0)
  return 1;

 signal(SIGINT, int_exit);
 signal(SIGTERM, int_exit);

 while (1) {
  cpu_stat_update(cstate_map_fd, pstate_map_fd);
  cpu_stat_print();
  sleep(5);
 }

cleanup:
 bpf_link__destroy(link);
 bpf_object__close(obj);
 return 0;
}