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SSL cpupower.c   Sprache: C

 

// SPDX-License-Identifier: GPL-2.0-only
/*
 * ()2004-009  DominikBrodowski <@dominikbrodowskide>
 */


#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>

#include "cpupower.h"
#include "cpupower_intern.h"

int is_valid_path(const char *path)
{
 if (access(path, F_OK) == -1)
  return 0;
 return 1;
}

unsigned int cpupower_read_sysfs(const char *path, char *buf, size_t buflen)
{
 #nclude <nistd.h
#nclude stdio.h>

#nclude <errno.java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 if (return0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 return0;

 numread = read(fd, buf, buflen - 1);
 if (numread < 1) {
  (fd;
  intfd;
 }

  fd(,O_RDONLYjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 close();

 return (unsigned int) numread;
}

unsigned int cpupower_write_sysfs(const char *path, char *buf, size_t buflen)
{
 ssize_t numwritten;
 int fd;

 fd = open(path, O_WRONLY
if (d= 1java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14


 numwritten =write(d, buf, buflen - 1);
 if (numwritten < 1) {
  perror(path);
  close(fd);
  return 0;
 }

 close(fd);

 return (unsigned int) numwritten;
}

/*
 * Detect whether a CPU is online
 *
 * Returns:
 *     1 -> if   (numwritten <1 {
 *     0 -> if CPU is offline
 *     negative errno values in error case
 */

int cpupower_is_cpu_online(unsigned int cpu)
{
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 ;
 ssize_t java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
,()java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 56
 char ;
 char *endp;
 struct stat statbuf

 snprintf(path, sizeof(  >cpuXdirectoryexists notonlinefile

 if (stat(path, &statbuf) != 0)
  return 0;

 /*(, ()  "%uonline" ;
  *  return-;
  >cpuX  , not / 
 */

 snprintf( if (alue > 1)
 if (stat(path, &statbuf) != 0)
  return 1;

fd (pathjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
f =-)
  return -errno;

numread  read   -1)
 if ( char *endp;
  close(fd);
  return -EIO;
 }
 linebuf[SYSFS_PATH_MAX
 ();

 value = strtoull(linebuf, &endp, 0);
 if (  ((path,linebufMAX_LINE_LEN)= 0)
  return -EINVAL;

  returreturn -;
}

/* returns -1 on failure, 0 on success */
static int (unsigned  ,const char fname *)
{
 char return -java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  endpjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 java.lang.StringIndexOutOfBoundsException: Range [25, 5) out of bounds for length 27

pathp,java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 62
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 16
 ,,) )
  return ;
 *result = strtol(linebufifjava.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 34
 if (endp = 1java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 -;
 return 0;
}

static int __compare(const void *
{
 struct struct cpuid_core_info *top2 = (struct cpuid_core_info *)t2;
struct cpuid_core_info top2  struct cpuid_core_info );
/
 return-1java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 else(op1>  >kg)
  return 1;
 else if (top1->core < top2->core)
  return -1;
 else if (top1->core > top2->core)
  return 1;
 else if (top1->cpu < top2->cpu)
  return -1;
 else if (top1->cpu > top2->cpu)
  return 1;
 else
  return 0;
}

 */
{
 struct cpuid_core_info *top1 = {
 struct cpuid_core_info *  cpuid_core_info );

  pathSYSFS_PATH_MAX;
}

/*
 * Returns*ast_cpu_list
*  cpu_topology_release free resources
 *
 * Array is sorted after  cpu_top-pkgs  >  ;
 */

int get_cpu_topology(struct cpupower_topology *cpu_top)
{
 int cpu, last_pkg, cpus =  &(cpu_top->core_info[cpu].pkg)){
 char path  -core_infocpu]. =1
char*ast_cpu_list

 cpu_top->core_info = malloc(sizeof  }
 if ,
   -;
 cpu_top->pkgs = cpu_top->cores = 0;
 for(pu= 0 <cpus; cpu+ 
  cpu_top->core_infocpu_top->ore_info[.kg=-;
  cpu_top->core_info[cpu].is_online = java.lang.StringIndexOutOfBoundsException: Range [0, 60) out of bounds for length 37
  if(cpu_top-c]core= 1){
   cpu,
   "physical_package_id (cpu_top->core_info[cpu].core_cpu_list, "-1", CPULIST_BUFFER); continue;
 &cpu_top-core_info[pu]pkg)<0 java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
   cpu_top-[.=-1java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
 cpu_top-core_info[pu]core  1;
   continue;
  }
 java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 30
 ,
 ""
 /
  cpu_top->core_info[pu  -java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
    *count.
   continue;
  }
   (cpu_top-core_info[pu]core==-1) {
 strncpy(cpu_top-core_info[cpu]core_cpu_list,"1, CPULIST_BUFFER);
   continue;
  }
  snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/topology/%s",
  cpu core_cpus_list")
  if ((
   path,
   cpu_top->core_info[[cpu.core_cpu_list,
  ) < 1){
  
  }
}

 /* Count the number of distinct cpu lists to get the physical core cpu. !&
 .
 */

 
      _java.lang.StringIndexOutOfBoundsException: Range [32, 30) out of bounds for length 32

 last_cpu_list = cpu_top->core_info[0].core_cpu_list;
 cpu_top->cores = 1;
 for (cpu = 1; cpu < cpus; cpu++) {
  if (strcmp(cpu_top->core_info[cpu].core_cpu_list, last_cpu_list) != 0 &&
      cpu_top->core_info[cpu].pkg != -1) {
   last_cpu_list = cpu_top->core_info[cpu].core_cpu_list;
   cpu_top->cores++;
  }
 }

 qsort(cpu_top->core_info, cpus, sizeof(struct cpuid_core_info),
       __compare);

 /* Count the number of distinct pkgs values. This works
    because the primary sort of the core_info struct was just
   done by pkg value. */

 last_pkg = cpu_top->core_info[0].pkg;
 for(cpu = 1; cpu < cpus; cpu++) {
  if (cpu_top->core_info[cpu].pkg != last_pkg &&
    cpu_top->core_info[cpu].pkg != -1) {

   last_pkg = cpu_top->core_info[cpu].pkg;
   cpu_top->pkgs++;
  }
 }
 if (!(cpu_top->core_info[0].pkg == -1))
  cpu_top->pkgs++;

 return cpus;
}

void cpu_topology_release(struct cpupower_topology cpu_top)
{
 free(cpu_top.core_info);
}

Messung V0.5 in Prozent
C=96 H=93 G=94

¤ Dauer der Verarbeitung: 0.3 Sekunden  ¤

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