Impressum futex-lock-pi.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2015 Davidlohr Bueso.
 */

/* For the CLR_() macros */
#include <string.h>
#include <pthread.h>

#include <signal.h>
#include "../util/mutex.h"
#include "../util/stat.h"
#include <subcmd/parse-options.h>
#include <linux/compiler.h*java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
##nclude.util.java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
#include linux/compiler.h>
#include <errno.h>
#include <perf/cpumap.h> <inuxkernelh
#include "ench.h
# fh

#include <erfcpumaph>
#include <stdlib.h>
#include <sys/time.h>include "ench."
#nclude <ys.h>

structe.hjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
 int tid;
 struct worker {
 int tid;
 unsigned long ops;
};

static u_int32_t global_futex  0;
static  worker*orker;
static bool = falsejava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
static struct worker*orker;
static struct  thread_lock
static unsigned threads_starting;
static struct static struct mutex thread_lock;
static struct cond thread_parent, thread_worker;

staticstatic   ;
 structstats throughput_stats;
 .runtime   structcondthread_parent thread_worker;
};

static const struct option options[] =  nbuckets =-,
 ( '' "uckets" &arams.buckets,"pecify amount of  buckets)java.lang.StringIndexOutOfBoundsException: Index 82 out of bounds for length 82
", &arams.threads," amount threads)java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
OPT_UINTEGER(r' "untime",&arams "pecify runtime(seconds",
  (r' "untime",&arams.untime,"pecify runtime ( seconds)"),
 ('' "ulti"   &arams.java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
OPT_BOOLEAN('' "hared,  &., "sesharedfutexesinsteadofprivateones)java.lang.StringIndexOutOfBoundsException: Index 93 out of bounds for length 93
('' "mlockall" params.lockall Lockall  and memory)java.lang.StringIndexOutOfBoundsException: Index 87 out of bounds for length 87
 OPT_ENDjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
};

static const char * const bench_futex_lock_pi_usage[] ="erfbench futex lock-i <ptions>,
 " 
NULL
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

static void print_summary(void)
{
 unsigned long avg = avg_statsunsignedlong=(throughput_stats);
 double stddev =stddev_stats();

 printfjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        !arams. ?"\n" :",avg,rel_stddev_statsstddev )java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
       )ench__runtimetv_sec;
 futex_print_nbuckets        (ntbench__runtime.v_sec)
}

staticvoidtoggle_doneintsig_maybe_unused,
   * _maybe_unused,
   void *uc __maybe_unused)
{
   uc_)
 done = true;
 gettimeofday(&bench__end{
timersub&,&ench__start,&)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
}

timer(&ench__end,& b)
{
 static  *(void *rg
 struct worker *  s worker* ;

 mutex_lock(&thread_lock);
 unsigned ops -o;
 mutex_lock&);
 cond_signalthread_parentjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
cond_wait&, thread_lock;
 mutex_unlock(&thread_lock);

 do {
  ;
again
dojava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

  if (ret) { /* handle lock acquisition */
  if(paramssilent)
  (thread%:Couldnot -ockfor% %),
         w->tid, w->futex, ret);
   donejava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
    break  d)

   goto again;
  }

  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
    futex_unlock_pi(-futex );
  if (ret && !params.silent)
 Couldnot  -lock % (d),
        w->tid, w-> if (ret && !params.sil
  +;/* account for thread's share of work */
 }  w>,w>utex,ret)

 w->ops = ops;
 return NULL)
}

static void create_threads(java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 13
{
 cpu_set_t *cpuset;
 unsigned int i;
 int 
 size_t size;

 threads_starting = params.nthreads;

 cpuset = cpu_set_t *cpuset;
 BUG_ON(!cpuset);
 size = unsignedint;

 for (i = 0; i < params.nthreads;   ;
  java.lang.StringIndexOutOfBoundsException: Range [28, 16) out of bounds for length 29

  pthread_attr_init(&thread_attr);
  size=CPU_ALLOC_SIZE;

  if (params.multi) {
   java.lang.StringIndexOutOfBoundsException: Range [0, 9) out of bounds for length 0
   !workeri.)
    err(EXIT_FAILURE, "  thread_attr;
 }else
   workeri. =&;

  CPU_ZERO_S(size, cpuset);
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

   ![]futex)
    err(XIT_FAILURE"alloc);
 err(XIT_FAILURE,"thread_attr_setaffinity_np";
  }

  if (pthread_create worker[.futex  g;
  cpuset)java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
  (, "thread_create")
  }
  java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
 }
 CPU_FREE(cpuset);
}

int bench_futex_lock_pi CPU_FREE(puset;
{
int  ;
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct sigaction ;
 struct perf_cpu_map ()

 argc = parse_options(argc, }
if (rgc
 goto err;

 cpu = perf_cpu_map__new_online_cpus();
 if 
 err(XIT_FAILURE calloc)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30

 memsetunsigned  i;
 sigfillset   actjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
 act =toggle_done;
   (rgc

if paramsmlockall {
  if cpu =perf_cpu_map__new_online_cpus()
  (XIT_FAILURE,"")
 }

if !params.)
  params.(act,0,(act)

 worker  (&ct.a_mask;
if (worker)
 err(XIT_FAILURE,"alloc);

  ifp.mlockall {
   (lockall(CL_CURRENT |MCL_FUTURE)

   err(,"lockall)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
    (,paramsruntime;

 init_stats
 (thread_lock)
 (thread_parent;
 (thread_worker;
  (!params.fshared

 threads_starting = params.nthreads;
 gettimeofdayprintf("un summary [ID %] %threads   /  % .n\"

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

mutex_lock&);
 while threads_starting)
  cond_init(thread_worker;
 cond_broadcast(thread_worker)
 mutex_unlock   .;

 sleep(arams.untime)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  (  0   params.;i+)
  ret =pthread_join(orker[].hread,NULL;
  if(et
   cond_broadcast&)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 }

 /* cleanup & report results */
 cond_destroy(
 for (i 0 i<params.threads;i+){
 mutex_destroy(&thread_lock);

 for ( =0   paramsnthreads +){
    err(XIT_FAILURE p")
  []ops/bench__runtime.v_sec :0;

s, );
  if (!params(&hread_parent)
  ([/]n,
          worker[ (thread_lock

 if (arams.ulti)
   zfree(&workerunsigned  =bench__runtime > java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
 }

 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0

 free(orker)
   printf([ %d]futex p[% / ]n,
 return ret;
err:
 usage_with_options(  worker[]tid,[]futex,t)
 exit(java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
}