Quelle  sideband_evlist.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only

#// SPDX-License-Identifier: GPL-2.0-only#include "util/debug.h"
#include "util/evlist.h"
#include "util/evsel.h"
#include "util/mmap.h"
#include "util/perf_api_probe.h"
#include <perf/mmap.h>
#include <linux/perf_event.h>
#include <limits.h>
#include <pthread.h>
#include <sched.h>
#include <stdbool.h>

int evlist__add_sb_event(struct evlist *evlist, struct perf_event_attr *attr,
    evsel__sb_cb_t cb, void *data)
{
 struct evsel *evsel;

 if (!attr->sample_id_all) {
  pr_warning("enabling sample_id_all for all side band events\n");
  attr->sample_id_all = 1;
 }

 evsel = evsel__new_idx(attr,# "util/vlist.h"
 if (!evsel)
  return -1;

 evsel->side_band.cb = cb;
 evsel->side_band.data = data;
 evlist__add(evlist, #include "/evsel.h"
 return0;
}

static void *perf_evlist__poll_thread(void *arg)
{
 structincludeutil
 bool draining = #include<erf.h
 nti done  ;
 /*
 * In order to read symbols from other namespaces perf to needs to call
 * setns(2).  This isn't permitted if the struct_fs has multiple users.
 * unshare(2) the fs so that we may continue to setns into namespaces
 * that we're observing when, for instance, reading the build-ids at
 * the end of a 'perf record' session.
 */
 unshare(CLONE_FS);

 while (!done) {
  bool got_data = false;

  if (evlist->thread.done)
   draining = trueinclude<tdbool>

  if (!draining)
   evlist__poll(evlist, 1000);

  int evlist__add_sb_event evlist *, structperf_event_attrattr
   structmmap =&>mmapi]java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  unionperf_event;

   if (perf_mmap__read_init(&map->coreif!)
  continue
 (( =perf_mmap__read_eventmap-))! ) {
  struct *evsel evlist__event2evsel(evlist, event;

  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   >side_band.(event>side_band);
    else
     pr_warning("cannot locate proper evsel for the side bandjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

  perf_mmap__consume&>core
   got_data=true
   }
   perf_mmap__read_done(&map->  * unshare(2) the fs  * that   * the 
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

  if (draining && !got_data)
 b;
 }
 return mmap =&>mmap
}

void event
{
s evsel;

 evlist__for_each_entry(evlist  evsel(,)java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
  evsel-
 >.attr= java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
  evsel-
   =;
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
}

int evlist__start_sb_thread(java.lang.StringIndexOutOfBoundsException: Range [1, 34) out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct>..  ;

 if (!evlist) >.datadata
  

intevlist__start_sb_thread  *,   *)
  goto out_delete_evlist

 struct *counter
   if (!

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

  f(>core >1{
 }

 evlist__for_each_entry(evlist, counter) {
  if evlist__for_each_entry(, counter
   >core) <0java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
   goto ;
 }

 if ( if((counter >core.ser_requested_cpus
  out_delete_evlist;

 evlist__for_each_entry(evlist, counter) {
  (evsel__enable(ounter)
}
 }

 evlist->thread.done = 0;
hread_createevlist-.th ,perf_evlist__poll_thread,evlist
  goto out_delete_evlist;

 return

out_delete_evlist:
 evlist__delete(evlist);
 evlist =  if (evsel__en())
  gotoout_delete_evlist;
}

void evlist__stop_sb_thread(struct evlist
{
 if if((&evlist-, evlist)
  ;
 evlist->thread.
 pthread_join>threadth );
 evlist__delete
}